Source: https://patents.google.com/patent/CN103602271A/en
Timestamp: 2020-08-03 13:40:13
Document Index: 727345471

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CN103602271A - Automatic adhesive sticking device and method for optical diaphragm - Google Patents
Automatic adhesive sticking device and method for optical diaphragm Download PDF
CN103602271A
CN103602271A CN201310569429.8A CN201310569429A CN103602271A CN 103602271 A CN103602271 A CN 103602271A CN 201310569429 A CN201310569429 A CN 201310569429A CN 103602271 A CN103602271 A CN 103602271A
CN103602271B (en
The invention relates to an automatic adhesive sticking device and method for an optical diaphragm. The automatic adhesive sticking device is used for sticking an adhesive on the optical diaphragm and comprises an automatic diaphragm sticking component, a pneumatic pressure circuit, a motor and a conveying belt driven by the motor, wherein the automatic diaphragm sticking component comprises a programmable logic controller (PLC) and a pneumatic execution element controlled by the PLC and is used for sticking the adhesive at a preset position of the optical diaphragm and shearing the adhesive when the sticking is completed; the pneumatic pressure circuit is used for supplying controllable pressure to the pneumatic execution element; the motor and the conveying belt driven by the motor are used for conveying the optical diaphragm according to a set speed. According to the device and the method, the PLC is adopted to control, and the pneumatic element is adopted to execute, so that the structure is simple, the efficiency is high, and the double-sided adhesive can be stuck on the optical diaphragm in a high-quality manner.
For liquid crystal TV set is done thinlyyer and picture quality better, in the backlight module of televisor, to use the blooming piece of multiple different performance.This all blooming piece must have the shape of coupling television screen size, often mates in addition perforate or other plane composition of light source and improvement liquid-crystal display effect in plane.The porous reflective optics diaphragm for example using in the backlight module of directly-down liquid crystal indicating meter, material is generally selected PET(polyethylene terephthalate, and chemical formula is COC6H4COOCH2CH2O.English name: polyethylene terephthalate).On diaphragm, there are a plurality of circular holes for fixed L ED lamp and lens subassembly, fixedly the diaphragm fixed orifices of use and the sizing broken line of adaptation backlight module shape, complicated structure are installed.
In the installation of backlight module, blooming piece can be used double faced adhesive tape to fix.So the production line of blooming piece generally comprises the stickup with gummed paper that cuts of diaphragm.Diaphragm schematic diagram after completing as shown in Figure 1, has a plurality of perforates 101 on visible optical diaphragm, have interrupted cut channel 102, also will be attached to the gummed paper 103 on blooming piece.
Membrane cutting be adopt cutting die on streamline once property cut and form.The stickup of gummed paper adopts manual completing always, from streamline, cuts rear collected blooming piece, is first spread out rubberizing paper, and collecting packing again again has then been wasted manually, and production cost is high, and the consistence of product is bad.So need automatization gummed paper sticker.
Main purpose of the present invention is to provide a kind of blooming piece automatic sticking patch device, can automatically on production line, complete the process of rubberizing paper on blooming piece and good product consistency.
Another object of the present invention is to provide a kind of blooming piece automatic rubberizing method, reduces production costs.
A kind of blooming piece automatic sticking patch device disclosed by the invention, sticks on gummed paper on blooming piece; Comprise: automatic coating parts, comprise the pneumatic apparatus of programmable logic controller PLC and control thereof, for the predeterminated position at described blooming piece, stick gummed paper and cut off gummed paper while sticking completing;
Pneumatic pressure loop, is used to described pneumatic apparatus that controlled pressure is provided;
Blooming piece automatic sticking patch device disclosed by the invention, the pneumatic apparatus in described automatic coating parts further comprises:
Holding paper parts, comprise removable material folding finger, for clamping gummed paper, and the moment starting in rubberizing gummed paper is sent to blooming piece surface, in rubberizing, complete and constantly again clamp gummed paper, wait for paster next time;
Pressure head and cut part, comprise for cutting off the cutting knife of gummed paper and gummed paper being pressed together on to the pressure head on blooming piece; Described pressure head is pressed in described blooming piece for the moment starting in rubberizing by gummed paper in place, and the moment finishing in rubberizing unclamps; Described cutting knife is cut off gummed paper for the moment finishing in rubberizing.
In one embodiment of the invention, the pneumatic element in described automatic coating parts also comprises limiting component, for interim when rubberizing starts, stops described blooming piece to move with described travelling belt.
In one embodiment of the invention, this blooming piece automatic sticking patch device also comprises light film location sensor, for surveying described blooming piece, whether arrives and leave the position that default described automatic coating parts need.
Or also comprise programming and display terminal, as man-machine interface, be used for inputting pad pasting parameter, show output data and image.
In one embodiment of the invention, the quantity of described automatic coating parts has more than one, and is separately fixed on the support of travelling belt top, for carrying out more than one gummed paper stickup at described blooming piece simultaneously.
In blooming piece automatic sticking patch device disclosed by the invention, also comprise the cutting table between 2 described travelling belts that turn round in the same way, there is the rigidity table top lower than described travelling belt upper surface; Described holding paper parts and described pressure head and cut part operate on the table top of described cutting table.
Ready state, holding paper parts clampings paster, pressure head and cut part is in place awaits orders, the block of limiting component is raised, and stops described blooming piece operation;
Described blooming piece moves with described travelling belt, to the block of described limiting component 308, is stopped;
It is in place that described smooth film location sensor detects described blooming piece; Holding paper parts send paster to playback to default position and after unclamping paster, and described pressure head and cut part are pressed onto paster downwards described in light on blooming piece simultaneously;
The described limiting component described blooming piece of letting pass, described travelling belt drives described blooming piece and paster to move the distance of default blooming piece length;
Described pressure head and cut part are cut off paster, the paster of holding paper parts clamping simultaneously; Described pressure head and cut part, limiting component are all got back to ready state, wait for next blooming piece.
A kind of blooming piece automatic sticking patch device disclosed by the invention and method adopt PLC to control, and pneumatic element is carried out, and efficiency simple in structure is high, can complete in high quality the stickup of double faced adhesive tape on blooming piece.
Fig. 6 is that A in embodiment illustrated in fig. 5 is to structural representation.
The electrical structure schematic diagram of blooming piece automatic sticking patch device of the present invention as shown in Figure 2. comprise programming and display terminal 10, Pneumatic pressure loop 20, PLC and automatic coating parts 30, the travelling belt 50 of motor and driving thereof, power supply and pilot lamp 60, and for supporting the rack unit 40 with balance.Wherein:
Pneumatic pressure loop 20, is used to the pneumatic element of blooming piece film sticking apparatus that suitable pressure is provided.
PLC and automatic coating parts 30, for realize make blooming piece 100 in place, send gummed paper to make its appropriate location that is contacted with blooming piece and fix, when the action of rubberizing paper completes, block the control of a series of actions such as gummed paper and automatically complete with pressure head.
Power supply and pilot lamp 60, be used to the power supply of blooming piece automatic sticking patch device, and the pilot lamp arranging in the appropriate location of circuit, is convenient to people and identifies its working order.
For supporting the rack unit 40 with balance, for support of optical diaphragm automatic sticking patch device, also comprise liner, the position for regular blooming piece 100 on travelling belt.The height of operated by rotary motion travelling belt is 85CM, can directly be transferred to blooming piece automatic sticking patch device like this from cutting the diaphragm that streamline gets off.PLC and automatic coating parts 30 are fixed on rack unit 40 and are positioned at above travelling belt; Drive the motor of travelling belt to be also fixed on rack unit 40.Control and 10 of display terminals are arranged at above rack unit 40, are convenient to carry out manual operation in needs.The circuits such as wire that Pneumatic pressure loop 20 and realization are electrically connected to are also the support settings along rack unit 40.
Automatic adhesive tape sticker of the present invention adopts PLC(programmable logic controller) as controlling elements, Fig. 3 is the structural representation of the automatic coating parts 30 of PLC and control thereof.As shown in Figure 3, at automatic coating parts 30, comprise: PLC controller 301, holding paper parts 305, pressure head and cut part 303 and limiting component 308, and cutting table 304.
In blooming piece automatic sticking patch device of the present invention, automatic coating parts 30 can have more than one, for realize more than one rubberizing action on blooming piece 100 simultaneously.
In Fig. 3, holding paper parts 305, comprise material folding finger and moving parts.Material folding finger is used for clamping gummed paper, and the moment material folding finger starting in rubberizing moves downward sends to blooming piece 100 surfaces by gummed paper, then unclamps gummed paper playback; In rubberizing, complete the finger of material folding constantly and again clamp gummed paper and raise finger when gummed paper is cut off, wait for the action of paster next time.
Pressure head and cut part 303, comprise for cutting off the cutting knife of gummed paper and gummed paper being pressed together on to the pressure head on blooming piece 100.The moment pressure head starting in rubberizing is pressed in gummed paper in place on diaphragm downwards, and the moment cutting knife that rubberizing finishes is cut off gummed paper pressure head and lifted, and holding paper parts 305 clamping gummed papers are lifted away from travelling belt simultaneously.Pressure head can adopt silastic material.
Limiting component 308, be included in when needing for stoping blooming piece 100 with the block of travelling belt operation, under PLC 100 controls, this block has 2 positions, the first is positioned on travelling belt surface for stopping blooming piece 100, it two is to be positioned under travelling belt surface, clearance blooming piece 100.Limiting component 308 has more than one, the spacing and clearance blooming piece 100 from the more than one position while.
Whether light film location sensor 309, arrive and leave for surveying light film the position that automatic coating parts 30 need.Can use infrared detector to realize.
PLC controller 301 gathers the state of light film location sensors 309, according to the working parameter from programming and display terminal 10 inputs, then in conjunction with the travelling speed of travelling belt, can generate and control the instruction that holding paper parts 305, pressure head and cut part 303 are moved.For example, suppose that travelling belt travelling speed is 0.1m/s, light film location sensor 309 is 0.2m apart from the distance of limiting component 308, and from the working parameter of programming and display terminal 10 inputs, indicating blooming piece to need the length of pad pasting is 0.3m; ; at the state of light film location sensor 309 for monitoring after blooming piece 100; wait again 2s duration; the front end of blooming piece 100 runs to pad pasting position; and stopped by limiting component 308; now holding paper parts 305, pressure head and cut part 303 can be carried out the action of rubberizing paper, then limiting component 308 clearance blooming pieces 100; After 3s duration, can complete the pad pasting of gummed paper on blooming piece, now holding paper parts 305, pressure head and cut part 303 can complete paster action, get back to ready state and wait for pad pasting instruction next time.
Holding paper parts 305, pressure head and cut part 303 and limiting component 308 adopt respectively pneumatic element to realize.
First the block of limiting component 308 is positioned on travelling belt, rests on the position that automatic coating parts 30 need when light film arrives paster position because of the existence of block.Holding paper cylinder moving material folding finger is clamped paster, paper feeding cylinder can be sent paper, the action of pressure head cylinder drives soft silicon rubber pressure head that paster is pressed onto on light film lightly, the finger of material folding simultaneously unclamps feeding cylinder return, the block of limiting component 308 returns to the blooming piece 100 of letting pass under travelling belt, so blooming piece 100 continues to move forward with travelling belt with paster, when needs cut off paster, material folding cylinder can move with cutting knife cylinder simultaneously, when gummed paper is cut off, holding paper cylinder drives material folding finger that folder is lived, feeding cylinder playback after cutting knife return, pressure head and cut part 303 also playback, wait for that next blooming piece arrives, so move in circles.
In one embodiment, the control flow of PLC as shown in Figure 4.At ready state, holding paper parts 305 clamping paster, pressure heads and cut part 303 is in place awaits orders, the block of limiting component 308 is raised.Position and the angle of liner standard blooming piece 100 on travelling belt, the block that blooming piece 100 moves to limited parts 308 with travelling belt stops and stops.It is in place that light film location sensor 309 detects blooming piece 100; Holding paper parts 305 send paster to default position and unclamp paster playback, and pressure head and cut part 303 are pressed onto paster on light film downwards simultaneously; Then limiting component 308 clearance blooming pieces 100, travelling belt drives light film 100 and paster to move the distance of default blooming piece length, also can survey judgement paster completing on blooming piece 100 with light film location sensor 309, for example, when light film location sensor 309 monitors the border of blooming piece 100, wait for that the position of the border arrival automatic coating parts 30 of this blooming piece 100 can complete paster; Now pressure head and cut part 303 are cut off paster, and holding paper parts 305 clamp pasters simultaneously, and now holding paper parts 305, pressure head and cut part 303 and limiting component 308 are all got back to ready state, wait for next blooming piece 100.
Automatic coating parts 30 can be fixed on the horizontal support of travelling belt top, and this horizontal support is perpendicular to travelling belt traffic direction, and on horizontal support, fluting makes the position-adjustable of automatic coating parts 30 relative blooming pieces.So blooming piece automatic sticking patch device of the present invention, the length of the position of institute's rubberizing paper on blooming piece etc., all can directly arrange by programming and display terminal 10, easy to operate.
The present invention controls because complete machine adopts PLC, and pneumatic element is carried out.Simple in structure.
The Facad structure schematic diagram of blooming piece automatic sticking patch device as shown in Figure 5, as an embodiment, travelling belt 503 drives the diaphragm 100 on it to move forward, and blooming piece 100 automatic coating parts 30 through PLC and control thereof on travelling belt complete after paster, enter material collecting device.
Gummed paper is provided by bakelized paper roll 401, bakelized paper roll 401 is fixed in the top of travelling belt 503, the gummed paper 400 of drawing from bakelized paper roll 401 is relative fixing by limited roller 402 and limited roller 403, and is introduced in automatic coating parts 30, by the material folding finger clamping of holding paper parts 303.Automatic coating parts 30 are pasted gummed paper 400 and are pressed on diaphragm 100 on the position of the needs with respect to diaphragm 100, then limiting cylinder 308 clearance diaphragms 100 start timing simultaneously, judged rubberizing according to the predefined timed interval and running length, cut off gummed paper 400, wait for next diaphragm.
In another embodiment of the present invention, blooming piece position transducer is set, according to the state recognition of sensor, has judged whether rubberizing, and block gummed paper 400 in the moment of needs, wait for next diaphragm.
As shown in Figure 5, travelling belt 503 comprises the travelling belt that 2 pairs are moved in the same way on traffic direction, and automatic sticking patch device 30 is between 2 vice-belts.
The automatic coating parts 30 of blooming piece automatic sticking patch device of the present invention can be more than one, each automatic coating parts 30 configures bakelized paper roll 401 and limited roller thereof, a plurality of bakelized paper rolls 401 and limited roller thereof are installed on the adjustable mounting bracket of travelling belt top, can be by the fixing paster volume 401 of set screw nut and set collar on each adjustable mounting bracket, each paster volume 401 is placed on paster set collar.Adjustable mounting bracket can move left and right, easy adjustment, thereby the corresponding position that regulates paster on blooming piece.Each paster is all independently laid, mutually without impact.
A in Fig. 5 can find out structure and the relative position of automatic coating parts 30 to view.
Be illustrated in figure 6 the A of automatic coating parts 30 to view, the automatic coating parts 30 of PLC and control thereof are fixed on the top support of travelling belt (not shown support).Comprise holding paper parts 305, pressure head and cut part 303, limiting component 308, and shear platform 304.
Automatic coating parts 30 comprise the limiting cylinder 308 that is positioned at travelling belt below, have can be flexible block.For temporary limit diaphragm 100 when diaphragm 100 arrives rubberizing position, with travelling belt 503, move.And the blooming piece 100 of letting pass after completing rubberizing.
Travelling belt 503 can comprise arrangement many fillet plastic materials of synchronized operation in the same way in the plane, can be also the flat plastic material of a fabric width bar.
Between 2 vice-belts of travelling belt 503, slightly lower than the position of plane on travelling belt, be provided with the shear platform 304 of rigidity.When travelling belt 503 is the planar materials of a view picture, also can be without shear platform 304.
At the ready state of automatic coating parts 30, gummed paper 400 is by the material folding fingerhold of holding paper parts 305, for drawing is clean and tidy and the Fig. 5 that gives top priority to what is the most important in the other parts of gummed paper 400 are not shown, bakelized paper roll and limited roller are not shown yet.When the limited parts 308 of blooming piece 100 block, light film location sensor 309 sends signal, holding paper parts 305 are sent gummed paper 400 to appropriate location, and pressure head and cut part 303 are pushed down gummed paper 400 downwards, on shear platform 304, gummed paper are affixed on blooming piece 100.Then under the control of PLC controller 301, the block of limiting cylinder 308 returns to travelling belt below downwards, playback clearance blooming piece 100.Can complete by timing or sensor judgement pad pasting, pressure head and cut part 303 are cut off gummed paper 400, reset, and holding paper parts 305 clamp gummed paper 400 again simultaneously, limiting component 308 is raised block to more than travelling belt, and automatic coating parts 30 are got back to ready state again.
In one embodiment, the paster that paster volume is carried is parallel to blooming piece traffic direction after 2 limited rollers are spacing, by holding paper parts, be fixed on a little higher than travelling belt, pressuring head part adopts silicon rubber pressure head, be positioned at the top of paster front end, when blooming piece is sent in the concordant position of paster front end, silicon rubber pressure head is pressed on paster on blooming piece downwards, and holding paper parts unclamp simultaneously.When blooming piece runs to the position that paster completes, cut part is cut off paster downwards, and silicon rubber pressure head lifts simultaneously, and holding paper parts again clamp paster and lift and leave travelling belt surface.
Fig. 7 is the conveyer structure schematic diagram of an embodiment, and the travelling belt of travelling belt 503 adopts anti-electrostatic Timing Belt, comprises many travelling belts.Travelling belt 503 comprises that travelling belt 5033 is tightened on transmission shaft 5031 and transmission shaft 5032 by one of them transmission shaft 5031 and transmission shaft 5032 of driven by motor.When the block of limiting component 308 is between travelling belt 5033 during in higher position, can stop the operation of the blooming piece 100 on travelling belt 503.
Blooming piece tape sticking device of the present invention has been saved labor hour, has improved productivity effect and conforming product rate.
Automatic coating parts, comprise the pneumatic apparatus of programmable logic controller PLC and control thereof, for the predeterminated position at described blooming piece, stick gummed paper and cut off gummed paper while sticking completing;
2. blooming piece automatic sticking patch device as claimed in claim 1, is characterized in that, the pneumatic apparatus in described automatic coating parts further comprises:
3. blooming piece automatic sticking patch device as claimed in claim 2, is characterized in that, the pneumatic element in described automatic coating parts also comprises limiting component, for interim when rubberizing starts, stops described blooming piece to move with described travelling belt.
4. the blooming piece automatic sticking patch device as described in claim 2 or 3, is characterized in that, also comprises light film location sensor, for surveying described blooming piece, whether arrives and leave the position that default described automatic coating parts need.
5. blooming piece automatic sticking patch device as claimed in claim 4, is characterized in that, also comprises programming and display terminal, as man-machine interface, is used for inputting pad pasting parameter, shows output data and image.
6. blooming piece automatic sticking patch device as claimed in claim 4, is characterized in that, described limiting component has 2, or more than 2.
7. blooming piece automatic sticking patch device as claimed in claim 3, it is characterized in that, the quantity of described automatic coating parts has more than one, and is separately fixed on the support of travelling belt top, for carrying out more than one gummed paper stickup at described blooming piece simultaneously.
8. blooming piece automatic sticking patch device as claimed in claim 4, is characterized in that, also comprises the cutting table between 2 described travelling belts that turn round in the same way, has the rigidity table top lower than described travelling belt upper surface; Described holding paper parts and described pressure head and cut part operate on the table top of described cutting table.
9. a blooming piece automatic rubberizing method, is characterized in that, comprises the steps:
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