JP2014091584A - Long body tying device, and long body tying method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a long body tying device and a long body tying method, which can avoid the slackness of the end edge of a long body and can prevent a tied long body from being separated.SOLUTION: A long body tying device 1 comprises: drawing means 3 for pulling out a new long body RS1; clamping means 4 for overlaying and clamping the new long body RS1 and an old long body RS2 thereby to form an overlapping region in the new long body RS1 and the old long body RS2; cutting means 4 for cutting the new long body RS1 and the old long body RS2 in the overlapping region thereby to form a leading end edge at the new long body RS1; slackness raising means 6 for raising the slackness of the trailing end edge and the leading end edge; and bonding means 7 for bonding a connection seat CS to the region extending across the terminal end edge and the leading end edge.

Description

  The present invention relates to a long body connecting device and a long body connecting method.

2. Description of the Related Art Conventionally, there has been known a butt splicing device that abuts the end of an old web and the front end of a new web and affixes a joining tape across both the joined ends (for example, see Patent Document 1).
The butt joint device includes an old web side web holder and a new web side web holder, a cutting tool that advances and retreats the gap between both web holders, and a tape holder that holds a joining tape. When connecting the old web and the new web, after cutting the overlapped webs, unnecessary portions of the new and old webs are removed, and a joining tape is applied to the end edge of the old web and the front edge of the new web.

Japanese Patent Laid-Open No. 10-305950

However, in the conventional butt splicing device described in Patent Document 1, since the cutting tool is advanced and retracted in the gap between the front holding part and the rear holding part of both web holding tools, the web holding tool is cut. The edge of the new and old webs hangs in the gap where there is no suction surface.
When affixing an adhesive sheet from the opposite side to the sagging side, the joining sheet is not affixed to the sagging part, so the joining area is reduced, and the old and new webs are separated while feeding the joined web. There is an inconvenience.
In addition, when the joining sheet is pasted from the drooping side, the joining sheet is pasted with the edges of the old and new webs folded back. For example, the old and new webs are temporarily attached to the strip-like release sheet. In this case, the joining sheet is stuck on both the adhesive sheet and the release sheet of the new web (or the old web), which causes inconvenience that the release sheet cannot be peeled from the adhesive sheet.

An object of the present invention is to provide a long body joining device and a long body joining method that can prevent the end of the long body from sagging and prevent the joined long bodies from separating. is there.
Moreover, the other object of this invention is to provide the elongate body connecting apparatus and elongate body connecting method which the problem that the peeling sheet cannot be peeled from an adhesive sheet does not arise.

  In order to achieve the above-mentioned object, the long body joining device of the present invention is a state in which the extending directions of the belt-like new long body and the belt-like old long body are matched with each other. In the long body connecting device for connecting the long body to each other, the pulling means for pulling out the new long body, and the new long body and the old long body are overlapped and sandwiched so that the new length A clamping means for forming an overlapping region in the scale and the old long body, and cutting the new long body and the old long body in the overlapping region to form a leading edge in the new long body, and A hanging means for forming a terminal edge on the old elongate body, and a sticking means for attaching a sheet to a region extending between the terminal edge and the tip edge, and causing the terminal edge and the tip edge to sag The configuration is further provided.

  At this time, in the long body connecting device according to the present invention, it is preferable that the drooping means has a pair of guide members that can be separated and approached.

  On the other hand, the long body joining method of the present invention is a method in which the new long body and the old long body are brought into contact with each other in a state in which the extending directions of the belt-like new long body and the belt-like old long body are matched. In the long body connecting method, the step of pulling out the new long body and the new long body and the old long body are overlapped and sandwiched, whereby the new long body and the old long body Forming an overlap region, and cutting the new elongated body and the old elongated body in the overlap region to form a leading edge on the new elongated body, and forming a terminal edge on the old elongated body. Adopting a configuration comprising: a step of forming; a step of causing the terminal edge and the tip edge to sag; and a step of attaching a connecting sheet to the terminal edge and the tip edge causing the sag. Yes.

According to the present invention as described above, the leading edge of the new long body and the terminal edge of the old long body are drooped, and the connecting sheet is attached to the leading edge and the terminal edge. It is possible to avoid sagging of the leading edge and the terminal edge of the old long body, and to prevent the joined long bodies from separating.
Furthermore, even when the old and new long bodies are a belt-like release sheet and a belt-like adhesive sheet is temporarily attached, the connecting sheet is not attached with the edge of the old and new long bodies folded back. There is no inconvenience that the release sheet cannot be peeled from the sheet.

  At this time, it is possible to switch between a state of forming a groove through which the cutting means for cutting the sheet passes and a state of causing the sag, by simply separating and approaching the pair of guide members constituting the suspending means.

The front view of the long body connecting device concerning one embodiment of the present invention. (A), (B) is operation | movement explanatory drawing of a long body joining apparatus. (C), (D) is operation | movement explanatory drawing of a elongate body connection apparatus.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
In this specification, without giving a reference figure, for example, when directions such as up, down, left, right, or front and back are shown, all of FIG. The direction from the top to the bottom is the direction parallel to the page, the front is the front direction orthogonal to the page, and the back is the back direction orthogonal to the page. And
Further, in the present specification and claims, the “old long body” and “new long body” are those that are relatively extended and used when connecting two long bodies. The “old long body” and the one that is used later are called “new long body”. In addition, when a new long body is drawn out and the next long body is connected to the terminal edge of the new long body, the new long body becomes the old long body, and the next long body becomes the new long body. It becomes.

In FIG. 1, the long body connecting device 1 is in a state in which the extending directions (left and right directions) of the belt-like new long body RS1 and the belt-like old long body RS2 are made to coincide with each other. In the long body connecting device for connecting the old long body RS2 with each other, the support means 2 for supporting the new long body RS1 and the old long body RS2, the drawing means 3 for pulling out the new long body RS1, and the new A sandwiching means 4 for forming an overlapping area WA (see FIG. 2A) in the new long body RS1 and the old long body RS2 by overlapping and sandwiching the long body RS1 and the old long body RS2, By cutting the new long body RS1 and the old long body RS2 in the overlapping area WA, the leading edge RS11 (see FIG. 2B) is formed on the new long body RS1, and the terminal ends on the old long body RS2. Cutting means 5 for forming the edge RS22 (see FIG. 2B) , And a dripping raised means 6 cause sagging of the tip edge RS11 and terminal edge RS 22, the attaching means 7 for sticking the sheet CS joint in a region spanning the leading edge RS11 and terminal edge RS 22, the.
Here, the old and new long bodies RS1 and RS2 are the first and second adhesive sheets AS1 and AS2 having the adhesive layers AD1 and AD2 on one surface of the strip-shaped base sheets BS1 and BS2, respectively. It has a configuration temporarily attached to one surface of strip-like release sheets RL1 and RL2 via AD2, and is wound around cores RT1 and RT2.
In addition, the old and new long bodies RS1 and RS2 connected by the long body connecting device 1 form, for example, cuts having a predetermined shape in the first and second adhesive sheets AS1 and AS2, and the insides of the cuts are for application. Other devices 10 such as a so-called sheet sticking device for sticking to an adherend (not shown) as a sheet, or a so-called rewinding device for rewinding the first and second adhesive sheets AS1, AS2 to another core with a predetermined length. It is paid out.

  The support means 2 includes first and second support rollers 21 and 22 that support the old and new long bodies RS1 and RS2 through the cores RT1 and RT2, respectively, so that they can be fed out.

  The pull-out means 3 is supported by the sliders 32A and 32B of the first and second linear motors 31A and 31B as driving devices, and a pair of gripping claws 34A and 34B as driving devices provided so as to be able to contact and separate from each other. 1 and second chuck cylinders 33A and 33B.

  The clamping means 4 includes guide rollers 41B and 42B supported by output shafts 41A and 42A of linear motion motors 41 and 42 as a pair of upper and lower drive devices, and linear motion motors 43 and 44 as a pair of upper and lower drive devices, respectively. Suction shafts 43B and 44B supported by output shafts 43A and 44A, connected to decompression means such as a decompression pump and a vacuum ejector (not shown), and output shafts of linear motion motors 45 and 46 as a pair of upper and lower drive devices, respectively. Suction plates 45B and 46B supported by 45A and 46A and connected to decompression means such as a decompression pump and a vacuum ejector (not shown) are provided.

  The cutting means 5 includes a U-shaped bracket 52 facing downward in a front view supported by an output shaft 51A of a linear motion motor 51 as a drive device, and an output shaft 53A of a rotation motor 53 as a drive device supported by the bracket 52. And a cutting blade 57 supported by a slider 55A of a linear motor 55 as a driving device supported by a first surface 54A of the first rotating body 54. ing.

  The drooping means 6 is supported by an output shaft 61A of a linear motion motor 61 as a drive device, and is an upward U-shaped bracket 62 and an output shaft of a rotation motor 63 as a drive device supported by the bracket 62. A pair of quadratic prism-shaped second rotating bodies 64 supported by 63A and a pair of sliders 65A of a linear motor 65 as a driving device supported by the first surface 64A of the second rotating body 64, respectively. And a guide member 67. The pair of guide members 67 form a guide groove CL between them in a separated state.

  The affixing means 7 includes first and second holding plates 71A connected to decompression means such as a decompression pump and a vacuum ejector (not shown) supported by the second surfaces 54B and 64B of the first and second rotating bodies 54 and 64. , 71B.

  In the above-described long body connecting apparatus 1, as a procedure for connecting the new long body RS1 to the old long body RS2, first, the other long body RS2 is moved from the second support roller 22 of the support means 2 by the other apparatus 10. During the feeding, the operator or the unillustrated raw material front end supply means attaches the new long body RS1 to the first support roller 21 of the support means 2, pulls out the front end of the new long body RS1, and is positioned at the left end. When it is positioned between the first gripping claws 34A of the first chuck cylinder 33A, the pulling means 3 drives the first chuck cylinder 33A, and as shown by a solid line in FIG. Grasping the tip of the body RS1. Next, the pulling means 3 drives the first linear motor 31A and moves the first chuck cylinder 33A to the right as shown by the two-dot chain line in FIG. 1 to pull out the new long body RS1. When an operator or a connection sheet supply means (not shown) supplies the connection sheet CS to the first and second holding plates 71A and 71B, the sticking means 7 drives a decompression means (not shown), and the first and second holding plates 71A. , 71B and adsorbing and holding the sheet CS.

  After that, when the old long body RS2 is fed out, if the decrease of the old long body RS2 or the final end of the old long body RS2 is detected by a detection means such as a sensor (not shown), the old long body RS2 Stop feeding the body RS2. Next, the clamping means 4 drives the linear motion motors 41, 42, 43, 44, 45, 46 and the decompression means (not shown), and as shown in FIG. 2A, the guide rollers 41B, 42B, the suction plates 43B, 44B. 45B and 46B are brought close to each other, and the old and new long bodies RS1 and RS2 are held while being attracted and held, whereby the old and new long bodies RS1 and RS2 are overlapped to form an overlapping area WA.

  Next, the cutting means 5 drives the linear motion motor 51 to lower the cutting blade 57 as shown by the two-dot chain line in FIG. The swaying means 6 drives the linear motion motor 61 to raise the pair of guide members 67, and the pair of guide members 67 forming the guide grooves CL are moved to the lower surface of the old long body RS2. Contact. Thereafter, the cutting means 5 drives the linear motor 55 and moves the cutting blade 57 forward along the guide groove CL, thereby cutting the old and new long bodies RS1 and RS2, and from the cutting position in the new long body RS1. In addition, the leading edge RS11 is formed on the left side, and the terminal edge RS22 is formed on the right side of the cutting position in the old long body RS2. When the old and new long bodies RS1 and RS2 are cut, the lower surface of the old long body RS2 is sucked and held by the upper surface of the guide member 67, or the old and new long bodies RS1 are held by the upper surface of the guide member 67 and a pressing member (not shown). , RS2 may be sandwiched.

Thereafter, the cutting means 5 drives the motors 55 and 51 to raise the cutting blade 57 while moving it backward. Here, as shown in FIG. 2 (B), the left and right sides of the cutting position in the old and new long bodies RS1 and RS2 are in a state of hanging downward by the cutting operation of the cutting blade 57.
Therefore, the drooping means 6 drives the linear motor 65 to bring the guide member 67 closer as shown in FIG. 3 (C), so that the leading edge RS11 of the new long body RS1 and the end of the old long body RS2 Raise the edge RS22. Thereafter, the cutting means 5 drives the rotation motor 53, rotates the first rotation body 54, and makes the connecting sheet CS face the upper surface of the new long body RS1. Furthermore, the clamping means 4 drives the linear motion motor 45 to raise the suction plate 45B, thereby removing the portion on the right side of the cutting position in the new elongated body RS1. Then, the cutting means 5 drives the linear motion motor 51, lowers the first holding plate 71A as shown by a two-dot chain line in FIG. 3C, and connects the sheet CS to the upper surfaces of the leading edge RS11 and the terminal edge RS22. Affix.

  Next, the drooping means 6 drives the linear motion motor 61 and the rotation motor 63 to lower the pair of guide members 67 and then rotate the second rotation body 64 as shown in FIG. The connecting sheet CS is opposed to the lower surface of the old long body RS2. Further, the clamping means 4 drives the linear motion motors 42 and 44 to lower the guide roller 42B and the suction plate 44B, thereby removing the portion on the left side of the cutting position in the old elongated body RS2. Then, the drooping means 6 drives the linear motor 61, and as shown by a two-dot chain line in FIG. 3 (D), the second holding plate 71B is raised and connected to the lower surfaces of the leading edge RS11 and the terminating edge RS22. Affix CS.

Thereafter, the sticking means 7 stops driving the decompression means (not shown), the suction holding of the connecting sheet CS by the first and second holding plates 71A and 71B is released, and the cutting means 5 and the drooping means 6 are moved to the linear motor 51. , 61 are driven to separate the first and second holding plates 71A, 71B from the connecting sheet CS.
Next, the cutting means 5 drives the rotating motor 53 to return the cutting blade 57 to the state shown by the solid line in FIG. 1, and the suspending means 6 drives the rotating motor 63 and the linear motor 65, and a pair of guide members 67. Is returned to the state indicated by the solid line in FIG. Further, the clamping means 4 stops driving the decompression means (not shown), releases the suction holding of the suction plates 43B, 46B, drives the linear motion motors 41, 43, 46, and moves the guide roller 41B and the suction plates 43B, 46B. The old and new long bodies RS1 and RS2 are separated from each other. In this state, by driving the other device 10, the new long body RS1 is drawn out continuously from the old long body RS2, and the new long body RS1 becomes the old long body RS2 and is the first support roller. 21 will be paid out.

Further, the clamping means 4 stops driving the decompression means (not shown), releases the suction holding by the suction plates 44B and 45B, and the drawing means 3 drives the first chuck cylinder 33A from the cutting position in the new long body RS1. After releasing the grip on the right side, the operator or a driving device (not shown) removes it, and the core RT2 is removed from the second support roller 22, and the next long body wound around the core (not shown) is removed. Is attached to the second support roller 22 as a new long body RS1.
Next, after the drawing means 3 drives the second linear motor 31B and moves the second chuck cylinder 33B to the left end, the operator or the unillustrated raw material tip supplying means pulls out the tip of the new long body RS1, When positioned between the second gripping claws 34B of the two chuck cylinders 33B, the pulling means 3 drives the second chuck cylinder 33B and grips the tip of the new elongated body RS1 with the second gripping claws 34B. Next, the pulling means 3 drives the second linear motor 31B and moves the second chuck cylinder 33B to the right, thereby pulling out the new long body RS1. Thereafter, when it is detected by a detection means (not shown) that the remaining amount of the old long body RS2 has decreased, the new long body RS1 is joined to the end of the old long body RS2 by the same processing as described above.

According to the above embodiment, the following effects are obtained.
The leading edge RS11 of the new long body RS1 and the terminal edge RS22 of the old long body RS2 are caused to sag and the sheet CS is attached to the leading edge RS11 and the terminal edge RS22. The drooping of the end edge RS22 of the RS11 and the old long body RS2 can be avoided, and the joined old and new long bodies RS1 and RS2 can be prevented from separating.
Further, the old and new long bodies RS1, RS2 are temporarily attached to the first and second strip-like release sheets RL1, RL2 and the first and second adhesive sheets AS1, AS2 are temporarily attached to the first and second strip-like release sheets RL1, RL2. Since the connecting sheet CS is not affixed with the edges of the old and new long bodies RS1 and RS2 folded back, the release sheets RL1 and RL2 from the first and second adhesive sheets AS1 and AS2 There is no inconvenience that the film cannot be peeled off.

  As described above, the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, but the present invention is not limited to this. That is, the invention has been illustrated and described with particular reference to certain specific embodiments, but without departing from the spirit and scope of the invention, Various modifications can be made by those skilled in the art in terms of material, quantity, and other detailed configurations. In addition, the description of the shape, material, and the like disclosed above is exemplary for ease of understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such restrictions is included in this invention.

For example, the old and new long bodies to be joined may be only the first and second adhesive sheets AS1 and AS2 having the adhesive layers AD1 and AD2 on one surface of the strip-shaped base sheets BS1 and BS2. The adhesive sheet AS cut into a predetermined shape may be temporarily attached to one surface of the strip-shaped release sheet RL, or may be paper, cloth, steel plate, belt, resin, wood board, or the like. May be.
Further, the new elongate body and the old elongate body may be the same or different in material, shape, configuration, and composition.
Further, the connecting sheet CS may not be attached to the lower surface or the upper surface of the leading edge RS11 and the terminal edge RS22.
Furthermore, the pair of guide members 67 may be caused to sag by rotating the pair of guide members 67 using the output shaft 61A as a rotation axis without causing the pair of guide members 67 to approach each other.
Moreover, the other apparatus 10 can select suitably the processing apparatus according to the process of the next process of a long body, such as a coating apparatus and a printing apparatus.
Furthermore, after attaching the connecting sheet CS to the upper surfaces of the leading edge RS11 and the terminal edge RS22, the hanging means 6 causes the leading edge RS11 of the new long body RS1 and the terminal edge RS22 of the old long body RS2 to droop. You may comprise as follows.

  In addition, the types and materials of the first and second adhesive sheets AS1 and AS2 in the present invention are not particularly limited, and examples thereof include those having an intermediate layer provided between the base sheet and the adhesive layer, and others. Three or more layers may be used. In addition, the sheet in the present invention may be a protective sheet, a dicing tape, a die attach film, any other sheet, a film, a tape, etc., and a sheet of any use and shape.

  Furthermore, the drive device in the embodiment includes an electric device such as a rotation motor, a linear motion motor, a linear motor, a single axis robot, an articulated robot, an actuator such as an air cylinder, a hydraulic cylinder, a rodless cylinder, and a rotary cylinder. In addition to these, a combination of them directly or indirectly may be employed (some of them overlap with those exemplified in the embodiment).

DESCRIPTION OF SYMBOLS 1 ... Long body joining apparatus 3 ... Pull-out means 4 ... Holding means 5 ... Cutting means 6 ... Dripping means 7 ... Pasting means 57 ... Cutting blade 67 ... Guide member RS1 ... New long body RS2 ... Old long body RS11 ... Front edge RS22 ... Rear edge CS ... Connecting sheet WA ... Overlapping area

Claims (3)

In a state where the extending direction of each of the belt-like new long body and the belt-like old long body is made to coincide, in the long body joining device that connects these new long body and the old long body,
A drawing means for pulling out the new long body;
A sandwiching means for forming an overlapping region on the new long body and the old long body by overlapping and sandwiching the new long body and the old long body,
By cutting the new long body and the old long body in the overlapping region, a cutting means for forming a leading edge on the new long body and a terminal edge on the old long body,
A pasting means for pasting a connecting sheet to a region straddling the terminal edge and the leading edge;
An elongate body joining apparatus, further comprising a suspending means for causing the terminal edge and the tip edge to sag.   The long body connecting device according to claim 1, wherein the hanging means includes a pair of guide members that can be separated and approached. In a state of connecting the new long body and the old long body in a state in which the extending directions of the belt-like new long body and the belt-like old long body are matched,
A step of pulling out the new long body,
Forming the overlapping region on the new long body and the old long body by overlapping and sandwiching the new long body and the old long body; and
Cutting the new elongate body and the old elongate body in the overlapping region to form a leading edge on the new elongate body and forming a terminal edge on the old elongate body; and
Causing sagging of the terminal edge and the tip edge;
And a step of attaching a connecting sheet to the end edge and the leading end edge where the sagging has occurred.

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