Source: https://patents.google.com/patent/JP4017898B2/en
Timestamp: 2020-04-08 20:11:51
Document Index: 152074765

Matched Legal Cases: ['art 6', 'arts 2', 'art 7', 'art 5', 'art 4', 'art 3', 'art 5', 'art 6', 'art 6', 'art 14']

JP4017898B2 - Conveyor for spout or spouted bag - Google Patents
Conveyor for spout or spouted bag Download PDF
JP4017898B2
JP4017898B2 JP2002073395A JP2002073395A JP4017898B2 JP 4017898 B2 JP4017898 B2 JP 4017898B2 JP 2002073395 A JP2002073395 A JP 2002073395A JP 2002073395 A JP2002073395 A JP 2002073395A JP 4017898 B2 JP4017898 B2 JP 4017898B2
JP2002073395A
JP2003267546A (en
格衛 中本
真一 平本
正和 瀬戸崎
2002-03-18 Application filed by 東洋自動機株式会社 filed Critical 東洋自動機株式会社
2002-03-18 Priority to JP2002073395A priority Critical patent/JP4017898B2/en
2003-09-25 Publication of JP2003267546A publication Critical patent/JP2003267546A/en
2007-12-05 Publication of JP4017898B2 publication Critical patent/JP4017898B2/en
The present invention relates to a transport device that receives a spout or a bag with a spout that is transported in a line along a guide rail, changes direction, and delivers the spout to the next guide rail.
When spouts or bags with spouts are transported in a line along the guide rail and supplied to a spouted bag manufacturing device or filling device, for example, the direction may change during transportation due to the arrangement of each device or space limitations. You may need to do it.
As what enables such a direction change, JP 2001-315715 A describes a conveyance supply device for changing a direction at a right angle in the middle when conveying a spouted bag along a guide rail. Yes. This transport and supply device is arranged upstream of the orthogonal part, intermittently rotated one rotation at a time, and the spouted bag sent out one by one is stopped and positioned at the orthogonal part (= standby position), and arranged at the orthogonal part A swingable lever that supports the flange of the spout that is stopped there to prevent the fall, and a movable lever that is arranged downstream of the orthogonal portion and is movable in parallel with the guide rail. It consists of a delivery device that hooks the spout that has stopped and transports it downstream along the guide rail.
Although not related to a spout or a bag with a spout, Japanese Patent Application Laid-Open No. 6-16229 describes a container transport device that changes the transport direction of a container by 90 degrees. This container transport device has a screw and a guide installed along a curved track, supports the neck portion of the container between them, and rotates the screw to transport the container along the curved track. .
However, the transport and supply apparatus described in JP 2001-315715 A regularly arranges spout-equipped bags that are transported in a dense or irregular state on the guide rails with screws arranged in front of the orthogonal portion. At the same time as aligning, it is temporarily stopped and positioned in the orthogonal portion, and then the positioned spouted bag is conveyed along the guide rail on the downstream side by the reciprocating extruding body. Not only is the timing control of the movement of the extruded body complicated, but there is a problem in that the entire conveying capacity is limited by the orthogonal portion. Further, when the bag with spout is sent out from the orthogonal portion, the lever 20 rubs the head portion of the spout (the location where the cap is attached), so that there is a risk that the cap will be incompletely sealed.
On the other hand, the container conveying apparatus described in the above-mentioned Japanese Patent Application Laid-Open No. 6-16229 must use a 90-degree curved screw, and is merely a disclosure of an idea.
In view of the problems of the conventional apparatus, the present invention conveys spouts or spout-equipped bags along a guide rail in a single row, and regularly aligns or positions them when changing direction during the conveyance. The purpose of the present invention is to obtain a spout or spout-carrying device that does not require any complicated timing control, is not particularly limited in its carrying capacity, and does not damage the spout head. To do.
The present invention relates to a transport device that receives a spout or a bag with a spout that is transported in a line along a guide rail, changes direction, and delivers the spout to the next guide rail. Guide rails arranged at intervals and a plurality of grippers which are installed on the rotating body and rotate together with the rotating body, and the rotating body enters a groove between flanges of a spout to support the flange. The guide rail has an arcuate guide portion for supporting the flange by entering a groove portion between the flanges of the spout on the inside, and the gripper moves up and down at a predetermined timing as the rotating body rotates. It has a clamping part that opens and closes, and the clamping part descends onto the outer peripheral part when closed.
When the sandwiching portion is lowered, if there is a spout flange there, the flange is sandwiched between the outer peripheral portion and the spout is transported with the rotation of the rotating body in that state. The spout that is not sandwiched between the outer peripheral portion and the sandwiching portion is pushed by the sandwiching portion that descends on the rear side or the spout sandwiched between the sandwiching portions and is conveyed in the rotational direction.
In the guide portion of the guide rail of the transport device, for example, a guide projection for supporting the spout flange from below is formed on the upper surface along the length direction. Since only the guide protrusion contacts the flange of the spout on the guide rail side, the contact area becomes smaller than when the guide portion is flat, and the spout slides smoothly.
The width of the gripping portion of the gripper of the conveying device (width in the circumferential direction of the rotating body) is formed wider than the flange width of the spout, for example. In that case, the probability of pinching any of the spout flanges at the holding portion increases.
The grippers of the transport device are, for example, arranged radially at equal intervals on the rotating body, and are respectively rotatably supported by fulcrum shafts installed horizontally on the rotating body at intermediate portions thereof. On the more central side (center of the rotator), it is always urged by a compression spring installed between the rotator and the clamping part moves up and down by the action of a cam installed at a predetermined position above the rotator. Is configured to do.
The opening / closing timing of the gripper may be appropriately set as shown in the following embodiment. In any case, one side of the spout flange on the guide rail (the side on the inner side of the rotation) is closed at the position where it completely transfers from the guide rail to the outer periphery of the rotating body, or at the position behind it. It opens at the position where it starts to transfer to the guide rail or the position in front of it.
Hereinafter, with reference to FIGS. 1-4, the conveying apparatus which concerns on this invention is demonstrated concretely.
The transfer device shown in FIG. 1 to FIG. 2 delivers a spout-equipped bag W that is conveyed along the left and right guide rails 1 and 2 to the left and right guide rails 3 and 4 that are 180 degrees different from each other. A circular rotating body 5 that is rotationally driven, guide rails 6 arranged around the periphery thereof, and a plurality of grippers 7 that are installed on the rotating body 5 and rotate together. FIG. 1 shows a case where the spouted bag W is conveyed in a dense state.
The guide rails 1 and 2 and the guide rails 3 and 4 are respectively installed with a gap a having a predetermined width, and the guide portions 1a to 4a along the inside engage with the gap between the flange portions F of the spout S. The flange portion is supported from the left and right, and the conveyance is guided.
The rotating body 5 is connected to a driving shaft 8 that is connected to a driving source (not shown) and is continuously rotated, and has a thin outer peripheral portion 5a with a flat upper surface. The outer peripheral portion 5a enters a groove between the flanges F of the spout S. Then, one side of the flange F (the one on the inner side of rotation; Fa) is supported.
The guide rails 1 and 2 and the guide rails 3 and 4 are arranged in a substantially tangential direction with respect to the rotating body 5. The front end of the guide rails 1 and 2 closer to the rotating body 5 (guide rail 1) and the rear end of the guide rails 3 and 4 closer to the rotating body 5 (guide rail 3) are cut out in an arc shape. The guides 1a and 3a of the guide rails 1 and 3 are arranged so as to be in a tangential direction with respect to the outer periphery 5a of the rotating body 5 with a very small gap between them and the outer periphery of the rotating body 5. ing.
The guide rail 6 is fixed to a mounting plate 10 installed at the upper end of the stand 9, and is arranged around the rotating body 5 with a gap a extending about 180 degrees. The guide rail 6 has an arcuate guide portion 6a that enters the groove portion between the flanges F of the spout S along the inner side (rotating body 5 side) and supports the flange F. The guide portion 6a has an upper surface on the upper surface. Guide protrusions 6b (see FIG. 3) for supporting the flange F of the spout S from below are formed along the length direction. The rear end of the guide rail 6 is the front end of the guide rails 1 and 2 far from the rotating body 5 (guide rail 2), and the front end is the side of the guide rails 3 and 4 far from the rotating body 5 (guide rail 4). At the same time, the guide part 6a is connected to the guide parts 2a, 4a of the guide rails 2, 4.
Eight grippers 7 are radially arranged on the rotating body 5 at intervals of 45 degrees. Each gripper 7 has a sandwiching portion 7a that is substantially perpendicular to the rotating body 5 at the front end (radially outward), and the width b of the sandwiching portion 7a (the width viewed in the circumferential direction of the rotating body 5) is the flange of the spout S. It is formed wider than the width c of F. Further, the gripper 7 is rotatably supported by a fulcrum shaft 12 installed horizontally on the rotator 5 at an intermediate portion, and between the rotator 5 on the rear side (radially inward) of the fulcrum shaft 12. It is always urged by the compression spring 13 installed in the. Therefore, if the cams 18 and 19 to be described later are not operated, the gripper 7 is closed and the clamping portion 7a is lowered onto the outer peripheral portion 5a of the rotating body 5 so as to sandwich the flange F of the spout S or against the upper surface of the outer peripheral portion 5a. Touch.
At the rear end of the gripper 7, a cam roller 14 is rotatably attached to a support shaft 15 having an axial center in the radial direction. A cam mounting member 16 is attached to the upper end of the drive shaft 8 so as to be relatively rotatable, and is connected to a fixed stand (not shown) via a connecting rod 17 and positioned so as not to rotate. Two arc-shaped cams 18 and 19 having downward cam surfaces on the upstream side and downstream side of the conveyance of the spout S are fixed to the cam mounting member 16, and the cam roller 14 is moved to the cam surface as the rotating body 5 rotates. The top is driven to rotate, and thereby the gripper 7 is opened and closed. By adjusting the length of the connecting rod 17, the circumferential positions of the cams 18 and 19 can be adjusted, and the opening / closing timing of the gripper 7 can be adjusted.
In the conveying apparatus of FIG. 1, the opening / closing timing of the gripper is set as follows.
(1) When the gripper 7 is in the position (1), the gripper 7 is still closed.
(2) Before the position (2), the cam roller 14 comes into contact with the cam surface of the cam 18 and starts to descend (the gripper 7 starts to open). After the position (2), the cam surface becomes horizontal. The gripper 7 is kept in the most open state.
(3) When the position (4) is reached, the cam roller 14 is disengaged from the cam surface of the cam 18 and the gripper 7 is closed.
(4) Before the position (7), the cam roller 14 comes into contact with the cam surface of the cam 19 and starts to descend, and the gripper 7 starts to open (if the gripper 7 sandwiches the flange F of the spout S, this is opened. To do).
(5) The cam surface of the cam 19 becomes horizontal before the position of (8), and the cam roller 14 comes off from the cam surface of the cam 19 after the position of (8), and the gripper 7 is closed.
Next, delivery of the spout-equipped bag W by the transport device will be described in time series.
(1) The spout S of the spout-equipped bag W on the guide rails 1 and 2 is pushed from behind and is conveyed in a dense state, and is introduced into this conveying device in a dense state. At that time, one side Fa of the flange F is transferred to the outer peripheral portion 5a of the rotating body 5 at the position of (3), and then the other side Fb of the flange F is transferred to the guide portion 6a of the guide rail 6.
(2) Since the transferred spout S is on the outer peripheral portion 5a where the flange F continuously rotates and the guide protrusion 6b having a small contact area, it is pushed by the subsequent spout S, and the rotation angle θ (guide rail 1 Is smoothly rotated and conveyed while the angle between the direction 2 and the conveying direction is small.
(3) When this rotation angle θ increases, it becomes difficult to say that it is smooth, but before that (in this example, when the spout S comes to the position of (4)), the gripper 7 is closed, and the clamping part 7a is the outer peripheral part 5a. Hold the flange F on The spout S is given a rotational force and has a function of pushing out the spout S that is denser to the front side than that. Due to this rotational force, the spout S is smoothly transported regardless of the rotational angle θ.
(4) Before the direction change is completed, specifically, before reaching the position (7), the gripper 7 starts to open, and the spout S is released from the clamping portion 7a.
(5) Subsequently, the other side Fb of the flange F of the spout S is transferred to the guide part 4 a of the guide rail 4, and the one side Fa is transferred to the guide part 3 a of the guide rail 3. Even after the transfer, it is pushed by the subsequent spout S and conveyed forward in a dense state.
On the other hand, FIG. 4 shows a case in which the spouted bag W is transported on the guide rails 1 and 2 in an irregular state or at intervals (the transport device itself includes a cam 20 instead of the cam 18). The same as shown in FIG. 1 except that it is installed). Even when transporting in a crowded state, sometimes it becomes an irregular state.
In this case, in order to immediately apply a rotational force to the spout S transferred to the outer peripheral portion 5a of the rotating body 5 and the guide portion 6a of the guide rail 6, in this example, the cam roller 14 comes off from the cam 20 at the position (3), and the gripper 7 Is supposed to close. When the gripper 7 is closed, if there is a flange F of the spout S below, the flange F is sandwiched and the spout S is given a rotational force. Further, even when there is no flange F of the spout S below, the sandwiching portion 7a of the closed gripper 7 pushes the flange F of the spout S in the front, so that the spout S is also given a rotational force. The probability that the flange F of any spout S is pinched increases when the width of the pinching portion 7a is large.
In the above-described transport device, the guide rail 2 and the guide rail 6 and the guide rail 6 and the guide rail 4 are configured as separate bodies, but may be integrated. Also, other methods can be employed as the gripper. For example, you may open and close a clamping part up and down with an air cylinder.
According to the transport device, the spout or the bag with the spout that is transported in a line along the guide rail is received, the direction of the spout or the bag with the spout is changed along the rotation path, and is smoothly delivered to the next guide rail. Can do. Then, it is only necessary to pinch the flange of any spout that the gripper on the rotating body has been transported to, and the spout can be given rotational force no matter where the flange is pinched, and even if it is not pinched, the rotational force is given. This eliminates the need for regular alignment and positioning of the spout on the guide rail. Therefore, complicated timing control is not required, and the entire conveyance capacity is not limited by the direction change. Further, since only the flange portion of the spout is sandwiched, the head portion is not damaged and a sealing failure does not occur.
FIG. 1 is a partial cross-sectional plan view of a transport apparatus according to the present invention.
FIG. 2 is a front sectional view thereof.
FIG. 3 is a side sectional view in the vicinity of a support portion of a spout.
FIG. 4 is a partial cross-sectional plan view of a transfer apparatus according to the present invention.
1-4 Guide rail 1a-4a Guide part 5 Rotating body 5a Outer peripheral part 6 Guide rail 6a Guide part 6b Guide protrusion 7 Gripper 7a Clamping part 14 Cam roller 18-20 Cam W Bag with spout S Spout F Spout flange
The guide part engages with the groove part between the flanges of the spout to receive the spout or the bag with the spout that is conveyed in a line along the guide rail that supports the flange from the left and right and guides the conveyance. A guide device that engages with a groove portion between the flanges of the flanges to support the flange from the left and right, and to transfer to a next guide rail that guides conveyance, and a circular rotating body (5) that is driven to rotate, A guide rail (6) disposed at a predetermined interval around the periphery, and a plurality of grippers (7) installed on the rotating body (5) and rotating together with the rotating body (5), The body (5) has an outer peripheral portion (5a) that supports the flange (F) by entering a groove between the flanges (F) of the spout (S), and the guide rail (6) is formed on the inner side of the spout (S). Hula An arcuate guide portion (6a) that supports the flange (F) by entering the groove portion between the die (F), and the gripper (7) is moved up and down at a predetermined timing as the rotating body (5) rotates. The spout or the bag with spout is characterized in that it has a holding part (7a) that opens and closes, and the holding part (7a) descends onto the outer peripheral part (5a) when closed.
In the guide portion (6a) of the guide rail (6), a guide projection (6b) for supporting the flange (F) of the spout (S) from below is formed on the upper surface along the length direction. The conveying device of the spout or the bag with a spout described in claim 1 .
The spout or spout-equipped bag according to claim 1 or 2, wherein the gripper (7) has a holding part (7a) wider than the flange (F) of the spout (S). Transport device.
The grippers (7) are radially arranged on the rotating body (5) at equal intervals, and can be freely rotated by a fulcrum shaft (12) horizontally installed on the rotating body (5) at each intermediate portion thereof. Supported by the compression spring (13) installed between the fulcrum shaft (12) and the rotating body (5) at the center side, and further urged to a predetermined position above the rotating body (5). The spout or the bag with a spout according to any one of claims 1 to 3, wherein the clamping part (7a) moves up and down by the action of the installed cam (18, 19).
JP2002073395A 2002-03-18 2002-03-18 Conveyor for spout or spouted bag Active JP4017898B2 (en)
JP2002073395A JP4017898B2 (en) 2002-03-18 2002-03-18 Conveyor for spout or spouted bag
EP20030005986 EP1367011B1 (en) 2002-03-18 2003-03-18 A conveying apparatus for spouts or bags with spouts
AT03005986T AT289964T (en) 2002-03-18 2003-03-18 Conveyor device for ausgiesstüllen or bags with ausgiesstüllen
DE2003600349 DE60300349T2 (en) 2002-03-18 2003-03-18 Conveyor for spouts or bags with spouts
ES03005986T ES2236636T3 (en) 2002-03-18 2003-03-18 A transportation device for spinning peaks or bags equipped with vintage spices.
US10/391,384 US7104390B2 (en) 2002-03-18 2003-03-18 Conveying apparatus for spouts or bags with spouts
JP2003267546A JP2003267546A (en) 2003-09-25
JP4017898B2 true JP4017898B2 (en) 2007-12-05
ID=28035235
JP2002073395A Active JP4017898B2 (en) 2002-03-18 2002-03-18 Conveyor for spout or spouted bag
US (1) US7104390B2 (en)
EP (1) EP1367011B1 (en)
JP (1) JP4017898B2 (en)
AT (1) AT289964T (en)
DE (1) DE60300349T2 (en)
ES (1) ES2236636T3 (en)
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2002-03-18 JP JP2002073395A patent/JP4017898B2/en active Active
2003-03-18 ES ES03005986T patent/ES2236636T3/en active Active
2003-03-18 US US10/391,384 patent/US7104390B2/en not_active Expired - Fee Related
2003-03-18 DE DE2003600349 patent/DE60300349T2/en not_active Expired - Fee Related
2003-03-18 EP EP20030005986 patent/EP1367011B1/en not_active Not-in-force
2003-03-18 AT AT03005986T patent/AT289964T/en not_active IP Right Cessation
US7104390B2 (en) 2006-09-12
EP1367011A1 (en) 2003-12-03
ES2236636T3 (en) 2005-07-16
US20030173186A1 (en) 2003-09-18
JP2003267546A (en) 2003-09-25
DE60300349T2 (en) 2006-04-06
AT289964T (en) 2005-03-15
DE60300349D1 (en) 2005-04-07
EP1367011B1 (en) 2005-03-02
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