Source: https://patents.google.com/patent/CN108778753A/en
Timestamp: 2020-04-02 18:33:46
Document Index: 357565454

Matched Legal Cases: ['Application No. 62', 'art 160', 'art 160', 'art 160', 'art 160', 'art 252']

CN108778753A - Head maintenance platform and its operating method - Google Patents
Head maintenance platform and its operating method Download PDF
CN108778753A
CN108778753A CN201680083187.3A CN201680083187A CN108778753A CN 108778753 A CN108778753 A CN 108778753A CN 201680083187 A CN201680083187 A CN 201680083187A CN 108778753 A CN108778753 A CN 108778753A
CN201680083187.3A
安东尼·V·莫斯卡托
杰弗里·M·萨班
R.R.当纳利父子公司
2016-03-04 Priority to US201662303721P priority Critical
2016-03-04 Priority to US62/303,721 priority
2016-06-28 Application filed by R.R.当纳利父子公司 filed Critical R.R.当纳利父子公司
2016-06-28 Priority to PCT/US2016/039858 priority patent/WO2017151177A1/en
2018-11-09 Publication of CN108778753A publication Critical patent/CN108778753A/en
B41J2002/16594—Pumps or valves for cleaning
The invention discloses a kind of head maintenance platform (130) for cleaning the nozzle plate of print head (106a, 106b) and a kind of methods of the operation head maintenance platform (130).The head maintenance platform (130) includes wiper bar, wiper (152a, 152b), wiper cleaning assemblies and actuator fixed to the wiper bar.The wiper (152a, 152b) is stored in when not in use in the wiper cleaning assemblies.The controller operates the actuator to rotate the wiper bar so as to by the wiper (152a, 152b) wiping position is moved to from the wiper cleaning assemblies, and cause the relative movement of the head maintenance platform (130) and the print unit (102), to wipe the nozzle plate using the wiper (152a, 152b).
Head maintenance platform and its operating method
This application claims the equity for the U.S. Provisional Patent Application No. 62/303,721 submitted on March 4th, 2016.This Shen Full content please is incorporated herein by reference.
The disclosure relates generally to ink-jet print systems, and more particularly relate to beating for maintaining ink-jet print system Print the equipment of head and the method for this equipment of operation.
Ink-jet print system generally includes one or more print units, and each print unit has one or more Print head.Controller controls print head so that fluid (such as ink or another composition) to be ejected on medium.Each printing Head includes nozzle plate, and the nozzle plate includes multiple apertures (nozzle), can controllably be sprayed from printing by this some holes Ink inside head.
Print head generally includes the fluid chamber being in fluid communication with one or more of these nozzles nozzle.Fluid is indoor Pressure increases relative to environmental air pressure, to force the drop of fluid to pass through (multiple) nozzle.A type of print head makes With piezoelectric element, the piezoelectric element makes the wall of fluid chamber deform to reduce its volume, and to increase the indoor pressure of fluid Power.Alternatively, fluid (or the component of fluid, such as fluid carrier or molten in fluid chamber can be made using heating element Agent) a part evaporation to form bubble wherein, which increase the indoor pressure of fluid.In any case, controller Control electric current by piezoelectric element with control its deformation or control by the electric current of heating element with by control its temperature, make It obtains and forms drop when needed.Other kinds of ink-jet technology known in the art can be used in print system as described herein.
In print system, print head is fixed on pedestal and is arranged so that the nozzle of print head is directed toward medium. In some embodiments, more than one print head can be fixed to pedestal in a manner of one-dimensional or two-dimensional array.In addition, some Print system may include multiple pedestals, wherein each pedestal has one be arranged therein in a manner of one-dimensional or two-dimensional array A or multiple print heads.In this kind of system, multiple pedestals can be arranged in print system in a manner of one-dimensional or two-dimensional array In, and the nozzle of the print head in these pedestals is directed toward medium.
Dry ink, dust, paper fiber and other clasts are likely to accumulate on nozzle plate or the one or more of print head In nozzle, and ink is prevented correctly to be sprayed from these nozzles.The controller of print system can be cleaned periodically Period, from (multiple) nozzle cleaning ink to discharge in (multiple) this nozzle or neighbouring any during the cleaning cycle Clast.Must the ink and/or clast of cleaning be for example removed from the nozzle plate near nozzle by wiping, so that this The ink and/or clast of cleaning are not in that aggregation is on the nozzle plate and dry to generate other clast, and the clast is later Ink is would interfere with to spray from the nozzle of print head.
According to one aspect, a kind of head maintenance platform for cleaning the nozzle plate of the print head of print unit includes wiping Device bar, the wiper fixed to the wiper bar, wiper cleaning assemblies and actuator.The wiper without using When be stored in the wiper cleaning assemblies.The controller operates the actuator to rotate the wiper bar with by institute It states wiper and is moved to wiping position from the wiper cleaning assemblies, and cause the head maintenance platform and the printing list The relative movement of member, to wipe the nozzle plate using the wiper.
It is a kind of according to another aspect, to operate head maintenance platform for cleaning the nozzle plate of the print head of print unit Method, wherein the head maintenance platform includes clear with the wiper bar of wiper and wiper being fixed to the upper Clean component, the described method comprises the following steps：The wiper is arranged in the wiper cleaning assemblies；And operation causes Dynamic device rotates the wiper bar so that the wiper is moved to wiping position from the wiper cleaning assemblies.The side Method includes the steps that further below：The print unit is set to be moved relative to head maintenance platform, to utilize the wiping Device wipes the nozzle plate.
Fig. 1 is the plan view of print system；
Figure 1A and Figure 1B is the schematic side-view of the embodiment of the print system of Fig. 1；
Fig. 2A to Fig. 2 G is diagrammatic end view, illustrates the operation of the head maintenance platform of the print system of Fig. 1；
Fig. 3 is the isometric view of the head maintenance platform of Fig. 2A to Fig. 2 G, wherein wiper is shown at retraction position It sets；
Fig. 4 A are the plan views of the head maintenance platform of Fig. 2A to Fig. 2 G；
Fig. 4 B are the sectional views of the line 4B-4B interceptions substantially along Fig. 4 A；
Fig. 4 C are the sectional views of the line 4C-4C interceptions substantially along Fig. 4 A；
Fig. 4 D are by the enlarged partial view in the region of the line 4D-4D instructions of Fig. 4 C；
Fig. 4 E are by the frame in the region and the component of the head maintenance unit of Fig. 2A to Fig. 2 G of the line 4E-4E instructions of Fig. 4 B Scheme combined enlarged partial view；
Fig. 4 F are the top views of the head maintenance platform of Fig. 2A to Fig. 2 G, wherein wiper is in extended position；
Fig. 4 G are the cross-sectional views of the line 4G-4G interceptions substantially along Fig. 4 F；And
Fig. 5 is the isometric view of the shell of the head maintenance unit of Fig. 2A to Fig. 2 G.
Referring to Fig.1, print system 100 includes the print unit 102 for being arranged to spray ink towards medium 104.Printing Unit 102 includes at least one pedestal 103, and one or more print heads 106 can be arranged in each pedestal 103.It beats The print head 106 of impression member 102 can be arranged in a line or multirow 108.In some embodiments, often row 108 can have There are one print heads 106.In other embodiments, often row 108 can have multiple print heads 106.In some cases, described One or more print heads 106 can be arranged to one-dimensional array or two-dimensional array.In addition, in some cases, print unit 102 all rows 108 can be with the print head 106 of identical quantity.Alternatively, in the row 108 of print unit 102 The quantity of print head 106 can be expert to be changed between row.
In some embodiments, each print head 106 of print unit 102 can print the ink of particular color.Such as may be used Be apparent to those skilled in the art, print unit 102 may include for example print cyan, magenta, yellow and Black ink to form four print heads 106 of four-color image over medium 104.Print unit 102 can also include printing certainly Define other one or more print heads 106 of color ink, white ink, metal ink etc..Each print head 106 includes tool There is the nozzle plate in multiple nozzles (aperture), and ink or another liquid can be sprayed simultaneously by this kind of nozzle during operation Deposition is over medium 104.Medium 104 can be coated or uncoated paper, plastics, polyethylene, metal and/or can sink Any substrate for the ink or other materials that product is sprayed by print head 106.
Print system 100 includes controller 112, and the controller is for coordinating between print unit 102 and medium 104 Relative movement, for print image over medium 104 print head 106 operation and print head 106 maintenance.At some In embodiment, during printing, medium 104 can be transmitted on the direction for being parallel to first axle 114, and print unit 102 are transmitted on the parallel direction of the second axis 116 of first axle 114.In other embodiments, printing list Member 102 can be transmitted on the direction for being parallel to both first axle 114 and second axis 116, and medium 104 is parallel to the One axis 114 is transmitted.
A referring to Fig.1, in one embodiment, medium 104 are by staying in supply roller 120 printing and from the supply Roll web 118 made of the material of roller supply.In such embodiments, controller 112 operates supply roller 120 and/or work beam 122 by the transmission of medium 104 to pass through print unit 102.In another embodiment, medium 104 can be carried out by finishing station The roll web 118 of processing, the finishing station cutting and/or folding printing is to generate referable product.In any embodiment In, controller 112 can with controller control to supply roller 120 and/or one or more motor (not shown) of work beam 122, and/ Or finishing station can be controlled so that the movement of roll web 118 is synchronous with the operation of print unit 102.
B referring to Fig.1, In yet another embodiment, medium 104 are placed on carrier 12 4, and carrier 12 4 and medium 104 It is transmitted relative to print unit 102.Carrier 12 4 can be the belt for example driven by roller 126 and 128.Controller 112 can be with Controller control to roller 126 and 128 one or more motors so that the movement of carrier 12 4 and the operation of print unit 102 are same Step.
Referring again to Fig. 1, print system 100 further includes head maintenance platform 130.In some embodiments, for printing First 106 often row 108 for including print unit 102, head maintenance platform 130 include maintenance department 132.Controller 112 starts dimension The period is protected to clean the nozzle plate of the print head 106 of print unit 102.During maintenance period, pass through the nozzle of print head 106 Cleaning ink is with from wherein discharging dry ink and other clasts, and each the nozzle plate of print head 106 is wiped thereon Any ink and/or clast.
In some embodiments, controller 112 has had been running for making a reservation in print unit 102 since the last maintenance period Start maintenance period after period.In other embodiments, if medium 104 is roll web 118 (Figure 1A), controller 112 can detect paper splice and coordinate maintenance period when paper splice is transmitted through print unit 102.In other realities again It applies in example, controller 112 can coordinate maintenance period using roll change.In some cases, if carrier 12 4 (Figure 1B) transmits Medium 104, then controller 112 can start cleaning cycle after the discrete media 104 for having printed predetermined amount.More typically Ground, controller 112 can be periodically or aperiodically or by combination of the two (for example, maintenance period can be with every apocalypse It is dynamic, but if having printed the certain amount of page before daily cleaning startup, can quickly start maintenance period) come Start and safeguards.
In some cases, when starting maintenance period, controller 112 can stop the biography of roll web 118 or carrier 12 4 It send.In other cases, for example, if maintenance period is consistent with roll change or paper splice, or when being placed on carrier 12 4 There are when gap between discrete media 104, then when carrying out maintenance period, the movement of roll web 118 or carrier 12 4 is uninterrupted 's.It is readily apparent that maintenance period can be in the transmission for stopping or not stopping medium 104, roll web 118 and/or carrier 12 4 In the case of print head 106 be not used in printing any time carry out.
Head maintenance platform 130 is arranged such that head maintenance platform 130 will not interfere reel in print system 100 The transmission of paper 118 and/or carrier 12 4.In some embodiments, during printing, 130 remains stationary of head maintenance platform, and Print media 104 and print unit 102 transmit relative to each other.
In other embodiments, head maintenance platform 130 is when print unit 102 is in the direction for being parallel to first axle 114 When upper mobile with 102 synchronizing moving of print unit, and when print unit 102 moves up in the direction for being parallel to second axis 116 Remains stationary when dynamic.In such embodiments, when starting maintenance period, print unit 102 only needs be parallel to the second axis The side of line 116 is moved upward in the position for maintenance.In some embodiments, when starting maintenance period, printing Unit 102 can be relative to axis 114 and 116 remains stationaries, and head maintenance platform 130 can be towards print unit 102 It is mobile.
With reference to Fig. 2A to Fig. 2 G, illustrating tool, there are two the print systems 100 of print head 106a, 106b, it should be understood that beats Print system 100 may include the print head 106 of different number.In the illustrated embodiment of print system 100, head maintenance platform 130 include receiving slit 150 and respectively wiper 152a associated with print head 106a, 106b of print unit 102, 152b.When not in use, wiper 152a, 152b can be stored in the shell 154 of head maintenance platform 130 retraction (or Cleaning and/or storage) position.
When print unit 102 is printing (Fig. 2A), print unit 102 is located in 104 top of medium so that each beats Nozzle plate 156a, 156b of head 106a, 106b are printed respectively for medium 104.
When starting maintenance period, controller 112 makes print unit 102 be moved relative to head maintenance platform 130, until Print unit 102 is in the first maintenance position, at first maintenance position, the nozzle plate 156 of each print head 106 with it is same 106 associated receiving slit 150 of this print head is aligned (Fig. 2A).Hereafter, controller 112 makes each print head 106 from its spray Ink is cleaned at mouth.In some embodiments, controller 112 can in actuated printheads 106 piezoelectric element or heater with Keep ink cleaned.In other embodiments, controller 112 can drive and be attached to the ink supply pipeline of print head 106 and (not show Go out) be in fluid communication pump (not shown), to increase the pressure that ink is transported at the position of print head 106, and to make Ink is from the nozzle cleaning to receiving slit 150 of the print head.It is cleaned flowing through drain tube to the ink in receiving slit 150 158 and it is connected to the fluid line (being not shown in Fig. 2A to Fig. 2 G) of drain tube 158, and enters fluid recovery case (Fig. 2A is extremely Also it is not shown in Fig. 2 G) in.
After ink has been cleaned, wiper 152 is moved to the wiping of extension from retracted position (Fig. 2A and Fig. 2 B) Position (Fig. 2 C).In an illustrated embodiment, head maintenance platform 130 is configured so that when wiper 152a, 152b are moved When to wiping position, wiping part 160a, 160b of wiper 152a, 152b initially respectively with respectively with wiper 152a, First edge 162a, 162b of nozzle plate 156a, 156b of 152b associated print head 106a, 106b are aligned.
Hereafter, print unit 102 and head maintenance platform 130 are moved relative to each other, until the wiping of each wiper 152 Wipe (the figure of first edge 162 that part 160 touches the nozzle plate 156 of print head associated with this wiper 152 106 2D).In some embodiments, head maintenance platform 130 is moved towards print unit 102, and 102 remains stationary of print unit. In other embodiments, head maintenance platform 130 and print unit 102 are both facing to moving each other.In other embodiment again, beat 130 remains stationary of head maintenance platform is printed, and print unit 102 is moved towards head maintenance platform 130.
Then, print unit 102 and head maintenance platform 130 are moved relative to each other so that the wiping of each wiper 152 Part 160 is wiped to be kept in contact with the nozzle plate 156 with the associated print head of the wiper 106 and wipe it.Into This movement of row, until print unit 102 reaches the second maintenance position, at second maintenance position, wiping part 160 is arrived Up to the second edge 164 (Fig. 2 E) of nozzle plate 156.In the shown embodiment, when print unit 102 is arranged in the second maintenance position When, print unit 102 is positioned such that the central shaft 166 of print unit 102 is tieed up with print head relative to printing maintenance console 130 The central shaft 168 for protecting platform 130 is aligned, as shown in fig. 2e.Then wiper 152 can be retracted into shell 154 to carry out Cleaning and storage, (Fig. 2 G) as described below.
It is readily apparent that during the maintenance period before wiper is retracted into shell 154,102 He of print unit Head maintenance state 130 can be between the first maintenance position and the second maintenance position relative to each other repeatedly (for example, coming Return) it is mobile.For example, this move repeatedly more thoroughly to wipe the nozzle of print head 106 during maintenance period can be carried out Plate 156.
If carrying out attaching print, controller 112 can be such that print unit 102 is printed back to shown in Fig. 2A Position is to continue to print.
Alternatively, as seen in Fig. 2 G, print unit 102 may remain in the second maintenance position, and controller 112 The inflatable gasket 170 that can be activated around periphery of the pump 169 to make to be arranged in head maintenance platform 130 is inflated.Inflatable gasket Pad 170 is fixed to head maintenance platform 130 for example, by adhesive, and is carried by head maintenance platform 130.Inflatable gasket 170 are inflated, until the top of inflatable gasket 170 172 is pressed against on the outer surface 174 of print unit 102.When with this side When formula is inflated, inflatable gasket 170 provides sealing between print unit 102 and head maintenance platform 130, described to seal institute The space 176 stated between print unit and the head maintenance platform is isolated with the ambient enviroment of arrangement print system 100.(figure 2G) since the nozzle plate 156 of the print head 106 of print unit 102 is arranged in volume 176, this class formation is also protected From the influence of the variation of the temperature and/or humidity of clast or pollutant, and/or ambient enviroment in ambient enviroment.
With reference to Fig. 3, the maintenance department 132 of head maintenance platform 130 is separated from one another by the madial wall 182 of shell 154.? In one embodiment, madial wall 182 extends the length of the shell 154 of head maintenance platform 130.Head maintenance platform 130 it is every A receiving slit 150 include inclined the first side wall 184, inclined second sidewall 186, substantially upright third side wall 188 and The 4th substantially upright side wall 190.Inclined the first side wall 184 and second sidewall 186 are towards being arranged in each receiving slit 150 Drain tube 158 (referring to Fig. 4 A) in bottom tilts.This side wall, which is configured so that, to be deposited on the first sloped sidewall 184 or inclines The ink of any cleaning in oblique second sidewall 186 will all flow to drain tube 158.In some embodiments, in receiving slit 150 One of one or more upstanding sidewalls 188 or 190 can be with the shell for the maintenance department 132 for separating head maintenance platform 130 154 madial wall 182 forms one.
Fig. 4 A and Fig. 4 B show head maintenance platform 130, wherein wiper 152 is in retracted position, such as above in association with Described in Fig. 2A, Fig. 2 B and Fig. 2 G.Fig. 4 F and Fig. 4 G show head maintenance platform 130, wherein wiper 152, which is in, to be wiped Position is wiped, as in conjunction with described in Fig. 2 C to Fig. 2 F.
With reference to Fig. 4 A to Fig. 4 G, in the shown embodiment, each maintenance department 132 of head maintenance platform 130 includes arrangement Rotatable wiper bar 192 on the top of the shell 154 of head maintenance platform 130.As shown in fig.4d, implement at one In example, the rear portion of each wiper 152 or anchorage element 194 can be fixed to wiper bar 192 in any suitable manner.Example Such as, each anchorage element 194 maintains anchoring recess portion 195, the Yi Jixiang limited respectively by substrate surface 196 and side surface 197 The flange 198 and 199 of interior extension, the flange interferes anchorage element 192 to be removed from anchoring recess portion 195, but allows anchor member 194 are moved along the longitudinal, with the initial installation for allowing wiper 152 and follow-up replacement.In another embodiment, wiper 152 Can not include stretch flange formability 198 and 199, and alternatively, wiper 152 is held in place by holding member 300.In this kind of reality It applies in example, wiper 152 can be replaced by removing holding member 300.
With continued reference to Fig. 4 A and Fig. 4 B, the first wiper bar 192a is at opposite end 200a and 202a and respectively in shell The hole 204a of the end wall 208 of body 154 is connected in the hole 206a of end wall 210 by axle journal.The wipings of second wiper 192b and first Device bar 192a deviates, and axle journal is connected to the hole 204b and end wall of end wall 208 respectively at its opposite end 200b and 202b In 210 hole 206b.First belt pulley 214a and the second belt pulley 216a is respectively fixed to the end of the first wiper bar 192a 200a and 202a, adjacent end wall 208 and 210.Third belt pulley 214b and the 4th belt pulley 216b are respectively fixed to the second wiping The end 200b and 202b of device bar 192b, adjacent end wall 208 and 210 and outside it.First belt 218 and the second belt 220 surround the first belt pulley 214a and third belt pulley 214b and surround the second belt pulley 216a and the 4th belt pulley respectively 216b extends.
First actuator 222a has the drive shaft for the first wiper bar 192a for being attached to neighbouring first end wall 210 224a.Second actuator 222b includes the drive shaft 224b for the second wiper bar 192b for being attached to neighbouring second end wall 208.It causes Dynamic device 222a and 222b synchronously drive the first wiper bar towards extended position and retracted position in the opposite direction respectively 192a and the second wiper bar 192b.Belt 218 and 220 will be transferred to this by the torque of each actuator 222a and 222b generations Two wiper bars 192a and 192b.
First actuator 222a and the second actuator 222b can be such as motor, cylinder or can be used to rotate respectively The other equipment of first wiper bar 192a and the second wiper bar 192b.In a preferred embodiment, actuator 222a and 222b Can be pneumatic motor or cylinder.However, it is readily apparent that can use other kinds of for those of ordinary skill Motor includes the different fluid motor or induction machine of any suitable type, such as induction machine, direct current generator, stepper motor Deng.
In some embodiments, the wiper bar 192 of the maintenance department 132 of head maintenance platform 130 is perpendicular to wiper On the direction of 152 longitudinal axis, mobile about 180 between extension (that is, wiping) position and cleaning and storage (that is, retraction) position Degree.
With reference to Fig. 4 A to Fig. 4 E, the inner bottom surface 250 fixed to shell 154 is one or more wiper cleaning groups Part 252.In the shown embodiment, a wiper cleaning assemblies 252a, 252b ..., 252f and head maintenance platform 130 it is every A wiper 152a, 152b ..., 152f it is associated.In other embodiments, multiple wipers 152 can share a wiping Device cleaning assemblies 252.In other embodiment again, a wiper cleaning assemblies 252 can be by related to each maintenance department 132 All wipers 152 of connection are shared.
Each wiper cleaning assemblies 252a, 252b ... and 252f respectively include chamber 254a, 254b ... and 254f, Wiper 152a, 152b associated with this cleaning assemblies ... and 152f can be withdrawn into the chamber to be cleaned And storage.Controller 112 (referring to Fig. 1) operates actuator 222 to rotate wiper bar 192, until being fixed to this wiper Each wiper 152 of bar 192 is disposed in the chamber 254 of wiper cleaning assemblies associated with this wiper 152 252 In.
Each chamber 254 includes fluid inlet port 256 and fluid Butterworth Hatch 258.The input terminal 260 of fluid inlet port 256 It is connected to fluid supply tube line 262.Fluid supply tube line 262 is connected to 266 He of cleaning fluid feeding mechanism via triple valve 264 Gas-pressurized feeding mechanism 268.The output end 270 of fluid inlet port 256 is in fluid communication with chamber 254 so that introduce fluid into In any fluid deposition to this chamber 254 of entrance 256.
In the shown embodiment, the fluid Butterworth Hatch 258 of each chamber 254 is connected to litter-bin 272.In some embodiments In, a litter-bin 272 can be connected to each fluid Butterworth Hatch 258.In other embodiments, litter-bin 272 can be with One or more fluid Butterworth Hatch 258 can be connected to by being connected to multiple fluid Butterworth Hatch 258 and/or multiple litter-bins 272.
For example, for clean wiping device 152, as above in association with using this wiping described in Fig. 2A to Fig. 2 G After device 152 wipes nozzle plate 156, controller 112 (Fig. 1) operates actuator 222 to rotate wiper bar 192, until fixation Wiper 152 to this wiper bar 192 is disposed in chamber 254.
The cleaning fluid and/or gas-pressurized being introduced into order to prevent in chamber 254 escape into shell 154, gasket 255 The blade holder 300 of each wiper 152 and/or fixed wiper 152 can be surrounded.When wiper 152 is arranged in chamber When in 254, gasket 255 can form the sealing that chamber 254 and wiper 152 are isolated with the rest part of shell 154.? In some embodiments, gasket 255 or another gasket can be arranged in around the opening of chamber 254 to provide this sealing.
After wiper 152 is disposed in chamber 254,112 actuation 3-way valve 264 of controller so that fluid is supplied Pipeline 262 is connected to cleaning fluid feeding mechanism 266.Then, the actuating of controller 112 pump 274 is to force cleaning fluid from cleaning Fluid supply apparatus 266 enters fluid supply tube line 262, by fluid inlet port 256, and enters chamber 254.When chamber 254 When being filled by cleaning supply fluid, cleaning fluid flows through wiper 152 and enters fluid Butterworth Hatch 258.Cleaning fluid it is this Flowing eliminates any ink and clast on wiper 152, and this ink and/or clast that are carried are clear by fluid Mouth 258 is washed to be transported in litter-bin 272.
After forcing cleaning fluid in predetermined time amount by wiper 152, controller 112 operates triple valve 264 Fluid supply tube line 262 is connected to gas-pressurized feeding mechanism 268 to introduce pressurized gas into chamber 254.Chamber 254 In gas-pressurized flow through wiper 152 and chamber 254 left by fluid Butterworth Hatch 258.Gas-pressurized stream carries chamber 254 In and/or wiper 152 on any cleaning fluid, and drying chamber 254 and/or wiper 152.In some embodiments, Litter-bin 272 may include the port 276 opened to environment, can pass through the port release pressurized gas.Port 276 can be with Filter including capture fluid and/or particle.
After allowing gas-pressurized to flow through chamber 254 in predetermined time amount, controller 112 closes triple valve 264.? Wiper 152 can be retained in chamber 254 before wiper 152 needs to wipe nozzle plate 156, although wiper can be in office When between be moved to extended position.
With reference to Fig. 4 A to Fig. 4 G, the drain tube 158 in each receiving slit 150 is connected to fluid line connectors 280.Fluid Pipe connector 280 is connected to fluid recovery case 284 via fluid line 282.As described above, the oil cleaned from print head 106 Ink or other fluids can be deposited on the first sloped sidewall 184 and the second sloped sidewall 186 and flow into drain tube 158.It is this Ink or (a variety of) other fluids flow through drain tube 158, fluid line connectors 280, fluid line 282, and incoming fluid returns Receive case 284.In some embodiments, from each print head 106 clean ink or other fluids be passed to be connected to and this The particular fluid recycling bins 284 of kind 106 associated receiving slit 150 of print head.The difference oil that this permission is cleaned from print head 106 Ink or other fluids are collected separately, and are recycled or are suitably handled.In other embodiments, from multiple print heads The ink or other fluids of 106 cleanings may be directed to the same fluid recovery case 284.
It is readily apparent that one or more filters can be arranged in one or two of fluid line 262 or 282 In, any pollutant in the fluid in the fluid line is flowed through with capture.
With reference to Fig. 4 A, in some embodiments, flue 286 is connected to inflatable gasket 170.Controller 112 can be grasped Make gas supply device (not shown) to supply gas by flue 286 and enter inflatable gasket 170, so that inflatable gasket Pad 170 is inflated, as above in association with described in Fig. 2 G.
With reference to Fig. 4 B and Fig. 4 G, one or more Pneumatic lifting/lowering devices 290 are fixed to the shell 154 of head maintenance platform 130 On.As shown in figure 4g, controller 112 operate this lifter 290 with by head maintenance platform 130 towards print unit 102 It increases, as in conjunction with described in Fig. 2 D.As shown in Figure 4 B, controller 112 operates this lifter 290 with by head maintenance Platform 130 is reduced away from print unit 102, as in conjunction with described in Fig. 2 F.
With reference to Fig. 5, in one embodiment, shell 154 is made of the such as solid pieces of material such as metal, glass fibre.Shell Body 154 can be milled or otherwise handle to limit side wall 184,186 and the drain tube 158 of receiving slit 150, Yi Jike To arrange the container 292 of wiper cleaning assemblies 252.Hole 204 and 206 can also pierce shell 154 the first end wall 208 and second In end wall 210, the end 200 of wiper bar 192 and 202 can be passed through by first end wall and the second end wall respectively.
In view of description above, it will be understood by those skilled in the art that will be apparent to many modifications of the present embodiment 's.Therefore, this specification is only interpreted as illustrative, and be for enable those skilled in the art manufacture and use it is real It applies example and instructs the purpose for the optimal mode for realizing embodiment and present.Retain all in scope The patent rights of modification.
1. a kind of head maintenance platform for cleaning the nozzle plate of the print head of print unit, the head maintenance platform packet It includes：
Wiper bar has the wiper being fixed to thereon；
Wiper cleaning assemblies；
Actuator；And
Wherein, the wiper is stored in when not in use in the wiper cleaning assemblies, and the controller operates institute Actuator is stated to rotate the wiper bar so that the wiper is moved to wiping position from the wiper cleaning assemblies, And cause the relative movement of the head maintenance platform and the print unit, to wipe the spray using the wiper Mouth plate.
2. head maintenance platform as described in claim 1 includes the slot with drain tube, wherein the controller relative to The slot positions the print head so that the fluid sprayed from the print head is directed toward the drain tube.
3. head maintenance platform as claimed in claim 2, wherein the slot includes sloped sidewall, and from the print head The fluid being ejected on the sloped sidewall flows to the drain tube.
4. head maintenance platform as claimed in claim 3, wherein the drain tube is connected to waste collecting tank, and from institute The fluid for stating print head injection is collected in the waste collecting tank.
5. head maintenance platform as described in claim 1, including another wiper bar, another described wiper bar has It is fixed to another wiper thereon, wherein another described wiper bar is connected to the wiper bar so that described Wiper bar and another described wiper bar rotate synchronously.
6. head maintenance platform as claimed in claim 5, including couple the wiper bar and another described wiper bar Belt.
7. head maintenance platform as claimed in claim 5, wherein the drive shaft of the actuator is connected to the wiper Bar, the drive shaft of another actuator are connected to another described wiper bar, and from first actuator and described The torque of both another actuators is passed to both the wiper bar and another wiper bar.
8. head maintenance platform as described in claim 1, wherein the wiper cleaning assemblies includes being connected to cleaning fluid Fluid inlet port, fluid Butterworth Hatch and the wiper chamber in source, wherein the cleaning fluid is drawn by the fluid inlet port Enter into the wiper chamber, across the face for the wiper being arranged in the wiper chamber, and it is clear by the fluid It washes mouth and leaves the wiper chamber, to clean the face of the wiper.
9. head maintenance platform as claimed in claim 8, wherein the fluid inlet port is further coupled to gas source, and And the gas is introduced into the wiper chamber by the fluid inlet port, so as to being arranged in the wiper chamber The face of the wiper be dried.
10. head maintenance platform as described in claim 1, including inflatable gasket, the inflatable gasket is when inflated The nozzle plate of the print head is sealed in by the print unit, the gasket of the inflation and the head maintenance platform shape At space in.
11. head maintenance platform as described in claim 1, including shell, and the cleaning assemblies is fixed to the shell Inner bottom surface.
12. head maintenance platform as claimed in claim 11, wherein the shell includes opposite the first side wall and the second side Wall, and axle journal is connected to the first side wall and described to the wiper bar respectively at its opposite first end and second end In the first hole and the second hole in second sidewall.
13. a kind of method of operation head maintenance platform to clean the nozzle plate of the print head of print unit, wherein the printing Head maintenance platform includes wiper bar, is fixed to the wiper and wiper cleaning assemblies of the wiper bar, the method packet It includes：
The wiper is arranged in wiper cleaning assemblies；And
Actuator is operated to rotate the wiper bar and the wiper is moved to wiping from the wiper cleaning assemblies Position；And
The print unit is set to be moved relative to head maintenance platform, to wipe the nozzle plate using the wiper.
14. method as claimed in claim 13 includes the steps that further below：Position the print head relative to slot so that It obtains the fluid sprayed from the print head and is directed toward the drain tube being arranged in the slot.
15. method as claimed in claim 14 includes the steps that further below：The drain tube is connected to waste collection Case；And by the fluid collection sprayed from the print head in the waste collecting tank.
16. method as claimed in claim 13 includes the steps that further below：Another wiper bar is provided, it is described another One wiper bar has another wiper being fixed to the upper；Another described wiper bar of connection and the wiper Bar；And rotate synchronously the wiper bar and another described bar.
17. the step of the method described in claim 16, another described wiper bar of connection and the wiper bar, includes The step of coupling the wiper bar and another described wiper bar using belt.
18. method as claimed in claim 13 includes the steps that further below：The drive shaft of the actuator is connected to The wiper bar；The drive shaft of another actuator is connected to another described wiper bar；And described the will be come from The torque transfer of both one actuator and another actuator is to the wiper bar and another described wiper bar two Person.
19. method as claimed in claim 13 includes the steps that further below：It is clear that cleaning object is introduced into the wiper In the chamber of clean component so that the cleaning fluid passes through the face of the wiper of arrangement in the cavity and leaves described Chamber, to clean the face of the wiper.
20. method as claimed in claim 19 includes the steps that further below：Gas is introduced into the chamber so as to right The face for the wiper being arranged in the wiper chamber is dried.
21. method as claimed in claim 20 includes the steps that further below：Further comprise inflatable gasket, wherein The nozzle plate of the print head is sealed in by the print unit, the gasket of the inflation and institute by the expansion of the gasket In the space for stating the formation of head maintenance platform.
CN201680083187.3A 2016-03-04 2016-06-28 Head maintenance platform and its operating method CN108778753A (en)
US201662303721P true 2016-03-04 2016-03-04
US62/303,721 2016-03-04
PCT/US2016/039858 WO2017151177A1 (en) 2016-03-04 2016-06-28 Printhead maintenance station and method of operating same
CN108778753A true CN108778753A (en) 2018-11-09
ID=56413871
CN201680083187.3A CN108778753A (en) 2016-03-04 2016-06-28 Head maintenance platform and its operating method
CN201620920993.9U CN205997508U (en) 2016-03-04 2016-08-22 Head maintenance station
US (1) US10137691B2 (en)
CN (2) CN108778753A (en)
WO (1) WO2017151177A1 (en)
WO2020025347A1 (en) * 2018-07-30 2020-02-06 Sicpa Holding Sa A modular service station and a method of servicing an inkjet printhead of an inkjet printing system
CN1343565A (en) * 2000-09-26 2002-04-10 伊马治公司 Method and appts. for cleaning printer nozzle and combined with printer head and printer
US20080106571A1 (en) * 2006-11-08 2008-05-08 Miyakoshi Printing Machinery Co., Ltd. Wiping apparatus for print head
CN103129149A (en) * 2011-11-24 2013-06-05 株式会社御牧工程 Maintenance device and liquid drop spray device
US8801144B2 (en) * 2009-05-19 2014-08-12 Kyocera Document Solutions Inc. Inkjet recording device
US20140340447A1 (en) * 2013-05-20 2014-11-20 Brother Kogyo Kabushiki Kaisha Liquid jetting apparatus and method for cleaning wiper
CN104908430A (en) * 2014-03-10 2015-09-16 精工爱普生株式会社 Wiper device and fluid ejection device
US9233541B1 (en) * 2015-05-11 2016-01-12 Xerox Corporation Printhead maintenance station for scalable printhead arrays
CN105291592A (en) * 2010-05-17 2016-02-03 麦捷特技术有限公司 Maintenance system HAVING MODULAR MAINTENANCE SLED
BE759036A (en) 1969-11-17 1971-04-30 Mead Corp Method for assembling a spreading head
JPS5116734B1 (en) 1970-03-05 1976-05-27
JPS5716897B2 (en) 1974-12-09 1982-04-07
DE2543452C3 (en) 1975-09-29 1980-06-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen
DE2659398A1 (en) 1976-12-29 1978-07-06 Siemens Ag Heater for schreibkoepfe in ink mosaic recording devices
JPS5769071A (en) 1980-10-17 1982-04-27 Fuji Xerox Co Ltd Duplex recorder
JPS5983665A (en) 1982-11-04 1984-05-15 Sharp Corp Apparatus for protecting nozzle of ink jet printer
FR2553341B1 (en) 1983-10-13 1987-06-12 Imaje Sa Circuit ink supply for a print head to jet ink
JPH0661968B2 (en) 1985-08-10 1994-08-17 株式会社リコー Recording device
JPS6356632U (en) 1986-09-30 1988-04-15
DE3880693D1 (en) 1988-06-29 1993-06-03 Siemens Ag Heater for heating the ink in an ink stylus pressure device.
JPH0327949A (en) 1988-12-30 1991-02-06 Canon Inc Image recording device
GB2236712B (en) 1989-10-11 1993-06-30 Linx Printing Tech Ink jet printer head flushing
SE465158B (en) 1989-12-12 1991-08-05 Markpoint System Ab Device at vaetskestraalskrivare
DE69306295T2 (en) 1992-04-24 1997-04-03 Hewlett Packard Co Controlling the backpressure in the ink jet printing
JP2962964B2 (en) 1992-06-26 1999-10-12 キヤノン株式会社 Liquid ejection apparatus and printing method using the same
DE69327209T2 (en) 1992-09-02 2000-07-27 Canon Kk Ink jet device with recovery device
US5429375A (en) 1994-03-01 1995-07-04 General Manufacturing Systems, Inc. Fluid actuated chuck with lock-up fingers for eccentric workpiece walls
JP2888511B2 (en) 1995-07-25 1999-05-10 富士ゼロックス株式会社 Inkjet head cleaning method and cleaning cartridge therefor
DE69631741D1 (en) 1995-07-31 2004-04-08 Hewlett Packard Co Repair point with translational movement for color jet print heads
JP2979499B2 (en) 1996-03-14 1999-11-15 株式会社ミヤコシ Front and back printing apparatus
DE19720671A1 (en) 1996-05-29 1997-12-04 Eastman Kodak Co Adjustable print head holder for printer, copier, or facsimile device
JP3530722B2 (en) 1996-10-08 2004-05-24 キヤノン株式会社 Ink jet recording apparatus and ink jet recording method
GB2360016B (en) 1996-11-13 2001-11-07 Hewlett Packard Co Wet-wiping printhead cleaning system
JPH1124530A (en) 1997-07-04 1999-01-29 Oki Data:Kk Image forming device
DE69821576T2 (en) 1997-11-14 2004-12-30 Canon K.K. Ink jet recording device with an improved cleaning device
JPH11334104A (en) 1998-05-26 1999-12-07 Toshiba Tec Corp Ink-jet printer
DE10027261B4 (en) 1999-06-28 2017-04-27 Heidelberger Druckmaschinen Ag Method and apparatus for cleaning a nozzle exit surface on a printhead of an inkjet printer
AT373851T (en) 1999-10-05 2007-10-15 Seiko Epson Corp Two-sided printing into an ink jet printer
GB2357464A (en) 1999-12-21 2001-06-27 Fuji Photo Film Co Ltd Ink jet printing method and apparatus
JP2002046912A (en) 2000-07-28 2002-02-12 Hitachi Koki Co Ltd Printing device, and printing method
JP2002067354A (en) 2000-08-28 2002-03-05 Toshiba Tec Corp Ink jet printer
JP3818368B2 (en) 2000-09-07 2006-09-06 セイコーエプソン株式会社 Duplex printing device
JP2002187261A (en) 2000-10-10 2002-07-02 Canon Inc Ink jet recording device
US6604813B2 (en) 2001-07-06 2003-08-12 Illinois Tool Works Inc. Low debris fluid jetting system
AU2003245322A1 (en) 2002-05-29 2003-12-19 Arizona Board Of Regents, Acting On Behalf Of Arizona State University Nanoscale ink-jet printing
KR100444583B1 (en) 2002-09-30 2004-08-16 삼성전자주식회사 maintenance apparatus of an ink-jet printer and wiper-positioning mathod therefor
JP4487581B2 (en) 2003-02-21 2010-06-23 富士ゼロックス株式会社 Double continuous printing apparatus and double continuous printing method
EP1518690A1 (en) 2003-09-26 2005-03-30 Hewlett-Packard Development Company, L.P. Ink conversion kit
FR2879961B1 (en) 2004-12-23 2016-08-19 Imaje Sa Cleaning a print head
JP4241639B2 (en) 2005-02-14 2009-03-18 セイコーエプソン株式会社 Droplet discharge device and maintenance method of droplet discharge head
JP5063077B2 (en) 2005-10-21 2012-10-31 オセ−テクノロジーズ・ベー・ヴエーＯｃｅ’−Ｎｅｄｅｒｌａｎｄ Ｂｅｓｌｏｔｅｎ Ｖｅｎｎｏｏｔｓｈａｐ Printhead mounting structure
CN101360943B (en) 2005-11-22 2013-07-17 诺格伦公司 Valve having sensor
JP4724805B2 (en) 2006-01-19 2011-07-13 オリンパス株式会社 Inkjet recording device
KR100729553B1 (en) 2006-10-27 2007-06-12 주식회사 탑 엔지니어링 Dispensing apparatus
CN102744968B (en) 2007-03-02 2015-07-22 马维尔国际有限公司 Hand-held printer and method for servicing an inkjet print head on a hand held printer
JP4932594B2 (en) 2007-05-15 2012-05-16 理想科学工業株式会社 Image recording device
JP5070981B2 (en) 2007-08-08 2012-11-14 セイコーエプソン株式会社 Maintenance device for liquid jet head and liquid jet device
JP2009262540A (en) 2008-04-01 2009-11-12 Olympus Corp Position adjusting mechanism of recording head and image recording apparatus which carries its position adjusting mechanism
2016-06-28 US US15/195,566 patent/US10137691B2/en active Active
2016-06-28 CN CN201680083187.3A patent/CN108778753A/en active Search and Examination
2016-06-28 WO PCT/US2016/039858 patent/WO2017151177A1/en active Application Filing
2016-08-22 CN CN201620920993.9U patent/CN205997508U/en active IP Right Grant
WO2017151177A1 (en) 2017-09-08
US10137691B2 (en) 2018-11-27
CN205997508U (en) 2017-03-08
US20170253046A1 (en) 2017-09-07
US20160159110A1 (en) 2016-06-09 Method for the indirect application of printing liquid onto a printing material
JP6324918B2 (en) 2018-05-16 Transfer fixed ink jet printing method and ink jet printer
CN1965038B (en) 2011-03-02 Recording ink, ink cartridge, ink record, inkjet recorder and inkjet recording method
CN103561959B (en) 2016-12-14 Printer and the method being used for adjusting band stress
EP0988978B1 (en) 2003-01-15 Cleaning of orifices in an ink jet printing apparatus
CN101119849B (en) 2011-12-14 Ink jet printing apparatus having non-contact head maintenance station
US8382238B2 (en) 2013-02-26 Inkjet recording apparatus
DE60027979T2 (en) 2007-01-04 Self-cleaning ink jet pressure system with reversible liquid flow and rotating roller and method of installation
US8696088B2 (en) 2014-04-15 Nozzle surface cleaning apparatus, maintenance method using same, and droplet ejection apparatus
JP5352409B2 (en) 2013-11-27 Cleaner cartridge, cleaning device, and image forming device