JP2000247506A - Connecting method of web and device therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically connect a web terminal to the web of the next roll by inserting the next web tip into feed rollers synchronously with the feed of the preceding web, and pressure connecting an adhesive means at the next web tip to the preceding web terminal. SOLUTION: Each of tips of webs 11', 11"... of a plurality of reels 13', 13"... is drawn to a prescribed height and held by a web holder 16 with an adhesive tape being adhered to the tip by about half of the length. The terminal of the web 11 is detected by a detecting device. According to this, the position of the next reel pallet 13 is set, and the web holder 16 is protruded into a guide. Feed rollers 14 restart the feed of the web 11, and the guide is pulled up at the same speed as the feed speed. Consequently, the tip of the web 11 held by the web holder 16 is also fed to the feed rollers 14 while keeping the relative position with the terminal of the web 11, and pressure connected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a web feeder for continuously drawing a web wound on a plurality of reels and supplying tubes, labels, and the like for mounting on a container. And a device therefor.

[0002]

2. Description of the Related Art In recent years, instead of directly printing or labeling bottles made of glass, resin, etc., in recent years, trademarks,
A method is generally used in which a film on which a product name, a pattern, or the like is printed is covered and fixed to a bottle by a method such as heat shrink. This film is formed and printed in a tube shape or a narrow band shape, wound on a reel, loaded into a web feeder, and sent to the next step while being continuously pulled out. Conventionally, in order to sequentially pull out webs of a plurality of reels, a device is used in which a winding end portion of a web is joined to a winding start portion of a next reel, and all loaded reels are continuously drawn out. Was.

[0003]

The end of winding of the web and the start of winding of the next reel must be joined manually, but when the number of reels to be loaded increases, the loading operation becomes very difficult. Becomes A typical example of such a web feeder is a tube feeder in a tube mounting machine for PET bottles and the like, and similarly, a label mounting device for attaching a sheet describing a description of a packaging machine using a flat film or a medicine. Each feeder had the same problem in the machine. The present invention seeks to obtain a web feeder that does not have such a problem. As used herein, a web is intended to include folded tubes, sheets, and tapes.

[0004]

According to the method of joining webs of the present invention, a standby web is provided at its tip end with an adhesive means, the end of the web being fed is detected, and the end is determined to be a predetermined end. When it has progressed to the position, the leading edge of the next web is inserted into the delivery roller in synchronization with the delivery of the web being delivered earlier by the delivery roller, and the bonding means of the next web tip and the end of the preceding web are connected. Are pressure-bonded by a delivery roller. The feeding of the preceding web being sent and the insertion of the leading end of the next web in synchronization with the feeding roller are stopped when the end of the web being sent has advanced to a predetermined position. Alternatively, the leading edge of the next web may be moved to the delivery position, and the leading edge of the next web may be inserted into the delivery roller in synchronization with the start of delivery by the delivery roller.

Referring to FIG. 1 (a), a web 1 is continuously fed by a feed roller 2, and the leading end of the next web 3 is at a predetermined position at a standby position, and an adhesive means, specifically, is attached to the leading end. As a typical example, the apparatus stands by while the adhesive tape 4 is left halfway and adhered. Referring to FIG. 3B, when the end 1 'of the web 1 is detected, the next web 3 enters the delivery position while the delivery roller 2 is delivering a predetermined length l. Referring to FIG. 3 (c), the feed roller 2 continues feeding, and in conjunction with this, the feed roller 2 is fed so that the insertion of the end 1 'and the tip of the web 3 into the feed roller 2 is synchronized. You. Referring to FIG. 2D, the adhesive tape at the tip of the web 3 is delivered together with the web 1 by the delivery roller 2 and is pressed against the web 1 to join the webs 1 and 3 together. Referring to FIG. 3E, the web 3 after the joining is continuously sent out and sent to the next step.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION In order to carry out the web joining method of the present invention, a web joining device includes a feed roller device for continuously drawing a web from a reel and a feeding roller device which is drawn in advance by a predetermined length, and is provided at a tip thereof. A plurality of reels on which a web having an adhesive means is wound, a device for detecting the end of the wound web, a transfer device for transferring the next reel to the delivery position by detecting the end, and And a delivery device for transferring the next web tip to the delivery roller in synchronization with the end of the web being delivered. The above-mentioned sending device stops one end after the predetermined feeding by detecting the above-mentioned end, and sends the next reel in conjunction with the sending with the sending roller that starts sending as the next reel is transferred to the predetermined position. It can be a transfer device that feeds the web tip to a delivery roller.

In FIG. 2, a reel 12 on which a web 11 is wound is rotatably mounted on a reel pallet 13, and is rotated by a delivery roller 14.
1 is sent out. A plurality of reel pallets 13 ', 13 "... are prepared on the transfer table 15, and the tips of the webs 11', 11" ... are pulled out to a predetermined height as described above. An adhesive tape, for example, an adhesive tape is adhered by about half its length, and is held by the web holder 16. The end of the web 11
For example, it may be detected that the tension applied to the guide roller 17 has become zero. In addition, a mechanical or optical detection device can be appropriately used. By detecting this end, a plurality of reel pallets 1 are transferred by a transfer device such as a conveyor (not shown) incorporated in the transfer table 15.
Are transferred by one reel pallet as a whole, so that the next reel is set at the sending position.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to FIGS. FIG. 3 shows an embodiment of the reel pallet of the tube feeder when the web is a folded tube, and shows a side view of the reel pallet 13 of FIG. A guide pole 18 is erected near one end of the reel pallet 13, a guide roller 17 is provided at a lower portion thereof, and a tube holder 19 is provided at an upper end thereof. Is arranged. The folding direction changing device 20 includes a folding guide 22 inserted into a tube 21 and upper and lower guide rollers 23 and 24 which hold the guide and are arranged to be orthogonal to each other. This folding guide 22
Opens the fold line of the tube wound on the reel and forms a fold line in a direction different from the direction in cooperation with the guide roller 23.

The tube 21 is supplied in a state of being wound on a reel 12. The reel 12 is mounted on a reel guide roller 25 on a reel pallet 13 in a state where it can freely rotate and cannot move in the horizontal direction. Is placed. Tube 21
In the standby state, as shown in FIG. 3, the distal end thereof is held by the tube holder 19 via the guide roller 17 and the folding direction changing device 20. Reference numeral 26 denotes an adhesive tape having about half of its length (the position indicated by the broken line) adhered to the tube.

The tube holder 19 is provided with rollers 19 'on both sides thereof (FIG. 3). When the reel pallet 13 moves to the delivery position, the tube holder 19 has a guide 27 fixed to the machine frame 29 of the tube feeder via an actuator 28. Enter (Fig. 4). When the reel pallet 13 stops at a predetermined position, the delivery roller 14 resumes delivery of the tube 11, but at the same speed as the feed speed, the actuator 28 pulls up the guide 27, so that the tube 11 held by the tube holder 19 is moved. The tip of 'is also sent to the delivery roller 14 while maintaining the end position of the tube 11 and its relative position, and is bonded by crimping. It goes without saying that the holding of the tube by the tube holder 19 is released when the joining is completed.

[0011] After detecting the end of the preceding tube and feeding it by a certain distance l, and joining it so as not to lose its relationship with the leading end of the next reel to be waited, the pattern on the web is
When a label or the like is printed, it is necessary to align the pattern or the like. However, even when there is no pattern or the like, bonding is performed in a similar manner.

[0012]

The web joining method and apparatus for the present invention according to the present invention have the following effects by the above configuration. The operator simply places the web roll on the reel pallet 13 and attaches a joining means, specifically, an adhesive tape to the leading end of the web, and places the web roll on the holder, and the web is automatically sent out from the plurality of reels. Therefore, it is possible to expect improvement in productivity without troublesome manual work and malfunction due to the troublesome work. Since all the rolls are set based on the reel pallet, the operation can be performed off-line regardless of the operation of the web feeder. Further, the configuration of each unit of the apparatus is not limited to the above embodiment, and it goes without saying that various design changes are possible.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram showing one embodiment of the steps of the web joining method of the present invention.

FIG. 2 is a conceptual diagram showing an entire configuration of an apparatus for performing the web joining method of the present invention.

FIG. 3 is a side view of one embodiment of a reel pallet used in the web joining apparatus of the present invention.

FIG. 4 is a conceptual diagram of one embodiment of a device for feeding a web to a delivery roller of the web joining device of the present invention.

[Explanation of symbols]

1,11 web 2 delivery roller 3
Web at standby position 4,26 Adhesive tape 12 Reel 13
Reel pallet 14 Delivery roller 15 Transfer stand 1
6 Web holder 17 Guide roller 18 Guide pole 1
9 Tube holder 20 Folding direction changing device 21 Tube 2
2 Folding guide 23, 24 Guide roller 25 Reel guide roller 27 Guide 28 Actuator 2
9 aircraft frames

Claims (7)

[Claims] At a web sending position, a standby web provided with an adhesive means at its tip is disposed, and the end of the web being sent is detected, and when the end advances to a predetermined position,
The leading end of the next web that is waiting in synchronization with the delivery of the web that is being delivered earlier by the delivery roller is inserted into the delivery roller, and the bonding means at the next web tip and the end of the preceding web are delivered. Bonding method of web characterized by pressure bonding with a roller 2. A web provided with an adhesive means at its leading end is disposed at a standby position for entering the feeding section, detects the end of the web being fed, and detects the end of the web being advanced to a predetermined position. The delivery roller is stopped, the leading end of the next web is moved to the delivery position, and the leading end of the next web is inserted into the delivery roller in synchronization with the start of delivery by the delivery roller. Bonding method characterized in that webs are pressure-bonded 3. A delivery roller device for continuously withdrawing a web from a reel, a plurality of reels which have been previously drawn by a predetermined length and have a web wound with a bonding means at the tip thereof, and an end of the wound web. And a transfer device for transferring the next reel to the sending position by detecting the end, and transferring the next reel to a predetermined position by detecting the end, and synchronizing with the end of the web being sent. A web joining device comprising a delivery device for delivering the next web tip to a delivery roller. 4. A plurality of reels drawn out to a predetermined length and wound with a web having an adhesive means at a leading end, a device for detecting the end of the wound web, and sending out the next reel by detecting the end. A transfer device for transferring to a position, and one end stops after a predetermined feed by the detection of the end, and a feed roller that starts sending as the next reel is transferred to a predetermined position, and interlocks with the feed. A web joining device comprising a transfer device for feeding the next web tip to a delivery roller. 5. A web roll reel is mounted on a reel pallet rotatably and in a state where horizontal movement is prohibited, and the reel pallet is provided with a web end detecting device,
5. The web joining apparatus according to claim 3, wherein a guide pole on which the guide roller and the web holder are disposed is erected. 6. In a tube feeder, wherein the web is a folded tube, upstream of said web holder,
6. The tube according to claim 5, further comprising a folding direction changing device comprising a folding guide inserted into the tube, and upper and lower guide rollers which hold the guide and are arranged perpendicular to each other. Joining equipment 7. An apparatus for feeding the leading end of a standby web to a delivery roller in conjunction with the delivery of a delivery roller as the standby reel is transported to a delivery position, wherein the web holder of the standby reel includes a delivery roller. The web joining apparatus according to any one of claims 3 to 6, wherein the web joining apparatus is driven in conjunction with the web.