WO2019220704A1

WO2019220704A1 - Conveyance device

Info

Publication number: WO2019220704A1
Application number: PCT/JP2019/004498
Authority: WO
Inventors: 真三嶋
Original assignee: 東レエンジニアリング株式会社
Priority date: 2018-05-18
Filing date: 2019-02-07
Publication date: 2019-11-21
Also published as: JP2019199345A

Abstract

Provided is a conveyance device that enables a web, which is to be conveyed, to be conveyed while being favorably peeled, even if the web has adhesive properties. More specifically, a conveyance device (1) comprises conveyance abutment parts (2, 3) that come into contact with a web (W) having adhesive properties, and that rotate or move in a prescribed direction so as to cause the web (W) to be conveyed in a prescribed direction. The conveyance device is characterized in that the conveyance abutment parts (2, 3) are provided at locations where mesh projection parts (23, 29) abut the web (W).

Description

Transport device

The present invention relates to an adhesive web transport device.

In order to carry out film formation on the surface of a long sheet-like substrate called a web, or to carry out predetermined processing (cutting, pressing, punching, etc.) There is a conveying device including a rotating roller (hereinafter referred to as a conveying roller), a grip feeder, and the like.

However, if an adhesive material is formed on the surface of the web, or if the web itself is made of an adhesive material, it may be caught in the transport roller or not separated from the grip feeder and transported in a normal state. There is.

Then, by sticking a non-adhesive sheet on the surface of a conveying roller (for example, a guide roll or a take-off roll) for conveying such an adhesive web, the conveying roller is made sticky. There has been proposed a technique for preventing the web having the web from being caught (for example, Patent Document 1).

Alternatively, it has been proposed that the outer peripheral surface of the transport roller is made of silicone rubber or a resin material and a plurality of holes are provided on the outer peripheral surface (for example, Patent Document 2).

JP 2014-210897 A JP 2010-70327 A

In the technique as disclosed in Patent Document 1, there are cases where the adhesive material of the web having adhesiveness does not peel off in a desired state because it varies depending on the type or is affected by the temperature and humidity of the atmosphere. . Therefore, in order to stably transport the web having adhesiveness, it is necessary to replace the transport roller as appropriate.

On the other hand, even with the technique disclosed in Patent Document 2, if the adhesive state of the web changes due to the difference in product type or the influence of the atmosphere, it may not be peeled off in a desired state, and it is necessary to replace the transport roller appropriately. .

Then, this invention is made | formed in view of the said problem, and even if the web used as conveyance object has adhesiveness, the conveying apparatus which can convey a web, peeling well from a contact part. The purpose is to provide.

In order to solve the above problems, one aspect of the present invention is as follows.
A transport device comprising a transport contact portion for transporting the web in a predetermined direction by rotating or moving in a predetermined direction while contacting the adhesive web.
The conveyance contact portion is characterized in that the mesh-shaped protrusion is provided at a portion where the mesh contact portion contacts the web.

According to the above-described transport device, even if the web to be transported has adhesiveness, the web can be transported while being favorably peeled off from the contact portion.

It is the schematic which shows the whole structure of an example of the form which embodies this invention. It is a perspective view which shows the principal part of an example of the form which embodies this invention. It is sectional drawing which shows the principal part of an example of the form which embodies this invention. It is a perspective view which shows the principal part of an example of the form which embodies this invention. It is sectional drawing which shows the principal part of an example of the form which embodies this invention. It is a perspective view which shows the principal part of the modification of the form which embodies this invention. It is a perspective view which shows the principal part of the modification of the form which embodies this invention.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
In the following description, the three axes of the orthogonal coordinate system are X, Y, and Z, the horizontal direction is the X direction and the Y direction, and the direction perpendicular to the XY plane (that is, the gravitational direction) is the Z direction.

FIG. 1 is a schematic diagram showing an overall configuration of an example of a form embodying the present invention. FIG. 1 shows a schematic diagram of a transport apparatus 1 according to the present invention.

The conveyance apparatus 1 conveys the web W which has adhesiveness in the direction shown by arrow v.
Specifically, the transport device 1 includes an unwinding roll 11 and

transport contact portions

2 and 3. Then, a process unit PR that performs predetermined processing (cutting, pressing, punching, etc.) on the conveyance path of the web W by the conveyance device 1 (for example, the place where the web W passes by the conveyance contact portion 3 also called a grip feeder). Is arranged.

The unwinding roll 11 is one in which the web W before being subjected to predetermined processing is wound. The web W is supplied by pulling out the web W while rotating the unwinding roll 11.

The conveyance contact portion 2 is a conveyance roller that conveys the web W in a predetermined direction by rotating in a predetermined direction while being in contact with the web W.

FIG. 2 is a perspective view showing a main part of an example of a form embodying the present invention. FIG. 2 is a perspective view of the conveyance contact portion 2 according to the present invention.

Specifically, the conveyance contact portion 2 has a cylindrical outer peripheral surface, and conveys the web W in the direction indicated by the arrow v by rotating in the direction of the arrow r. More specifically, the conveyance contact portion 2 includes a rotating shaft 21, a base portion 22, and a mesh-like protruding portion 23.

The rotating shaft 21 transmits a driving force for rotating the base portion 22 in a predetermined direction (for example, a direction indicated by an arrow r), and is connected to the rotating motor M via a clutch, a coupling, or the like (not shown). ing.

The base unit 22 conveys the web W by transmitting the driving force transmitted from the rotary shaft 21 to the web W. Specifically, the base portion 22 is configured by a cylindrical member having a circular cross-sectional shape. More specifically, the base portion 22 is made of silicone rubber, other rubber, resin, metal, or the like.

The mesh-like projecting portion 23 supports the web W at a position protruding from the base portion 22 by a predetermined height (also referred to as thickness), and separates the web W and the base portion 22 so that they do not contact or closely contact each other. Further, the mesh-like protruding portion 23 is in contact with the web W and rotates together with the base portion 22 to transmit a force for conveying the web W, and conveys the web W in the direction indicated by the arrow v. It is.

FIG. 3 is a cross-sectional view showing a main part of an example of a form embodying the present invention. FIG. 3 shows a cross-sectional view of the conveyance contact portion 2 according to the present invention.

Specifically, the mesh-shaped protrusion 23 is attached to a portion of the base portion 22 that contacts the web W so as to cover the base portion 22. More specifically, the mesh-like projecting portion 23 has a predetermined length in the Y direction, and is called a plurality of warp yarns 23a arranged in parallel and a direction orthogonal to the warp yarns 23a. A plurality of weft yarns 23b arranged in parallel are knitted so as to alternately cross in the vertical direction. The mesh-shaped protruding portion 23 is bonded (bonded) to the base portion 22 in a cylindrical shape, such as adhesion, thermal welding, pressure adhesion, sewing, caulking, screwing, or the like (so-called fixing).

Note that the plurality of warp yarns 23a are arranged at a predetermined interval, and the plurality of weft yarns 23b are also arranged at a predetermined interval. And the mesh-shaped protrusion part 23 is in the state which has an opening part in the state by which these warp 23a and the weft 23b were knitted. Furthermore, examples of the knitting method (also referred to as weaving method) in which the plurality of warp yarns 23a and the plurality of weft yarns 23b constitute a mesh shape include plain weave (batist), twill weave, satin weave (satin) and the like. The plurality of warp yarns 23a and the plurality of weft yarns 23b are made of a flexible wire material such as a nylon wire, a resin wire material such as polyethylene or polycarbonate, and a metal wire material (wire) such as stainless steel or aluminum. Although FIG. 3 shows an example in which the warp yarns 23a are arranged in the Y direction and the weft yarns 23b are arranged in the X direction or the rotation direction indicated by the arrow r, they may be arranged in an oblique direction.

Because of such a configuration, the conveying contact portion 2 rotates in the direction indicated by the arrow r, and the warp yarn 23a of the mesh-like protruding portion 23 and the top portion 23t of the weft yarn 23b are pointed or lined with the web W. Therefore, the web W can be conveyed in the direction indicated by the arrow v while preventing excessive adhesion with a small contact area. Further, when the base portion 22 rotates and the warp yarns 23a of the mesh-like protruding portions 23 and the head top portions 23t of the weft yarns 23b are about to be separated from the web W, they are easily peeled off without requiring excessive peeling force. be able to.

The conveyance contact part 3 conveys the web W in a predetermined direction by moving in a predetermined direction while gripping the web W, and is also called a grip feeder.

FIG. 4 is a perspective view showing a main part of an example of a form embodying the present invention. FIG. 4 is a perspective view of the conveyance contact portion 3 according to the present invention.

Specifically, the conveyance contact portion 3 includes a pair of gripping mechanisms disposed so as to sandwich the web W, and moves the web W in the direction of the arrow v while gripping the web W by the arrow v. It conveys in the direction shown. More specifically, the conveyance contact portion 3 includes a slider mechanism 26, an opening / closing mechanism 27, a base portion 28, and a mesh-like protruding portion 29.

The slider mechanism 26 moves the opening / closing mechanism 27 at a predetermined speed in the direction indicated by the arrow v or in the reverse direction, stops at a predetermined location, or reciprocates in a predetermined section.

The opening / closing mechanism 27 grips the web W by holding a pair of base portions 28 arranged so as to sandwich the web W in the direction indicated by the arrow c (also referred to as holding), or grips the web W by separating it in the opposite direction. Or cancel.

The base portion 28 transmits the driving force transmitted from the slider mechanism 26 via the opening / closing mechanism 27 to the web W while gripping the web W, thereby causing the web W to move in a predetermined direction (for example, the direction indicated by the arrow v). The force to convey is transmitted. Specifically, the base portion 28 is configured by a substantially rectangular parallelepiped member having a rectangular cross-sectional shape. More specifically, the base portion 28 is made of silicone rubber, other rubber, resin, metal, or the like.

The mesh-shaped protruding portion 29 grips the web W at a position protruding from the base portion 28 by a predetermined height (also referred to as thickness) and separates the web W and the base portion 28 so as not to contact or closely contact each other. . Further, the mesh-shaped protruding portion 29 is in contact with the web W and moves together with the base portion 28 to transmit a force for conveying the web W, and conveys the web W in the direction indicated by the arrow v. It is.

FIG. 5 is a cross-sectional view showing the main part of an example of a form embodying the present invention. FIG. 5 shows a cross-sectional view of the conveyance contact portion 3 according to the present invention.

Specifically, the mesh-shaped protruding portion 29 is attached to a portion of the base portion 28 that contacts the web W so as to cover the base portion 28. More specifically, the mesh-like protrusions 29 are called a plurality of warp yarns 29a arranged in parallel and a plurality of weft yarns 29b arranged in parallel in a direction perpendicular to the warp yarns 29a. Are configured by knitting flexible wires so as to alternately cross in the vertical direction, and a detailed description thereof will be omitted because of the same configuration as the mesh-shaped protrusion 23.

Due to such a configuration, when the conveyance contact portion 3 grips the web W, the warp yarn 29a of the mesh-like protruding portion 29 and the top portion 29t of the weft yarn 29b are formed in a dotted or linear shape with the web W. Because of the contact, the web W can be conveyed in the direction indicated by the arrow v while preventing excessive adhesion with a small contact area. Further, when releasing the grip by the opening / closing mechanism 27, the warp 29a of the mesh-like protrusion 29 and the top 29t of the weft 29b are separated from the web W, so that an excessive peeling force is not required and the peeling is easily performed. Can be made.

Since the conveyance apparatus 1 according to the present invention has such a configuration including the

conveyance contact portions

2 and 3, even if the web to be conveyed has adhesiveness, the web W is in contact with the contact portion. Can be conveyed while being peeled well. Furthermore, the mesh-

like protrusions

23 and 29 of the

conveyance contact portions

2 and 3 are excellent in peelability because the web W and the top portions 23t and 29t are in contact with each other only in a dotted or linear shape. It can be transported with good peeling.

[Another form]
In the above description, the conveyance device 1 having the configuration including the

conveyance contact portions

2 and 3 is illustrated, and the form in which the process unit PR is disposed in the conveyance path of the web W is illustrated. However, in applying the present invention, either of the

conveyance contact portions

2 and 3 may be arranged on the upstream side and the downstream side of the process portion PR.

[Modification]
In the above description, the mesh-like projecting

portions

23 and 29 are illustrated as being fixed so as to cover the

base portions

22 and 28. Such a configuration is preferable because the mesh-like projecting

portions

23 and 29 can be prevented from falling off the

base portions

22 and 28 even when the adhesive force of the web W is extremely strong.

However, in embodying the present invention, the mesh-like projecting

portions

23 and 29 are not limited to the structure fixed to the

base portions

22 and 28, and are knitted into a cylindrical shape or a bag shape. It may be configured to be attached so as to cover the

base portions

22 and 28 of the

contact portions

2 and 3 and to be detachable from the

base portions

22 and 28.

(For transport rollers)
FIG. 6 is a perspective view showing an essential part of a modification of the embodiment embodying the present invention. FIG. 6 illustrates how to attach the mesh-shaped protrusion 23 to the base portion 22.

Specifically, the mesh-like protruding portion 23 is longer than the width of the web W and has substantially the same width as the base portion 22 and is longer than the outer peripheral length of the base portion 22 (for example, 1.2 times to 2 times). A rectangular shape (refer to FIG. 6A) is wound around the outer circumference of the base portion 22 (that is, a cylindrical surface) without slack (see FIG. 6B), and the end portion is A nylon thread or metal wire is sewn and fixed with a sewing needle or the like (see FIG. 6C).

Alternatively, the mesh-shaped protrusion 23 is knitted into a cylindrical shape that is substantially the same as or slightly larger than the outer peripheral surface of the base portion 22, and covers the base portion 22 from the opening on one end side (FIG. 6 ( d) See (e)). Then, the slack portions at both ends are squeezed, and a nylon thread, a metal wire, or the like is sewn with a sewing needle or the like (see FIG. 6G), banded, or screwed.

Alternatively, the mesh-shaped protruding portion 23 is substantially the same or slightly larger than the outer peripheral surface of the base portion 22, and has one end side knitted into a cylindrical shape that has been previously squeezed, and the base portion 22 is opened from the opening on the other end side. Cover (see FIGS. 6G and 6H). Then, the slack portion on the other end side is squeezed and sewn with nylon thread or metal wire (see FIG. 6 (i)), banded, or screwed.

(In case of grip feeder)
FIG. 7 is a perspective view showing an essential part of a modification of the embodiment embodying the present invention. FIG. 7 illustrates how to attach the mesh-shaped protruding portion 28 to the base portion 27.

Specifically, the mesh-shaped protrusion 29 has a mounting plate 29p fixed to each side of a substantially rectangular sheet, and the mounting plate 29 is provided with a long hole. The mesh-shaped protruding portions 29 are arranged inside the base portions 28 (that is, the side where the web W is sandwiched) (see FIG. 7A), and are covered so as to cover the base portions 28 respectively. Then, the mesh-shaped protruding portion 29 is brought into contact with the surface of the base portion 28 without looseness, and the mounting plate 29p is temporarily fixed to the base portion 28 with screws 29s or the like (see FIG. 7B). Then, the mesh-like protruding portion 29 is screwed in a stretched state so as not to be slack using the elongated hole of the mounting plate 29p.

Alternatively, the mesh-shaped protruding portion 29 is arranged so that a substantially rectangular sheet is disposed inside each base portion 28 (that is, the side where the web W is sandwiched) (see FIG. 7A) so as not to loosen. Nylon thread or metal wire is sewn with a sewing needle or the like (see FIG. 7 (d)).

Alternatively, the mesh-shaped protruding portion 29 is formed in a knitted shape like a drawstring pouch inside the base portion 28 (that is, the side holding the web W). 28 are covered so as to cover each other (see FIG. 7E). Then, the slack portion of the mesh-like projecting portion 29 is squeezed and a nylon thread, a metal wire, or the like is sewn with a sewing needle or the like (see FIG. 7 (f)), banded, or screwed.

If the mesh-like projecting

portions

23 and 29 are knitted in such a cylindrical shape or bag shape and can be attached to and detached from the

base portions

22 and 28, the mesh-like projecting

portions

23 and 29 can be meshed by long-time conveyance. Even if the

protrusions

23 and 29 are worn out, or an adhesive or a foreign substance adheres to, accumulates, or is clogged in the opening, it can be easily replaced. In addition, even if the adhesive strength of the web W to be transported differs due to product change, it can be quickly changed to an optimal mesh size (linearity or aperture ratio) or material (also called setup change). This is preferable because the apparatus stop time can be shortened.

1 Conveying device 2 Conveying contact part (rotating roller)
3 Transport contact part (grip feeder)
11 Unwinding roll 21 Rotating shaft 22 Base part (cylindrical roller)
23 mesh-like protrusion 23a warp 23b weft 23t top 26 slider mechanism (fixed feed mechanism)
27 Opening and closing mechanism (gripping mechanism)
28 Base (gripping mechanism)
29 mesh-shaped protrusion 29a warp 29b weft 29t top 29p mounting plate 29s screw (bolt, screw, etc.)
CN control part W web (conveyance target)
M Rotary motor

Claims

A transport device comprising a transport contact portion for transporting the web in a predetermined direction by rotating or moving in a predetermined direction while contacting the adhesive web.
The transporting device according to claim 1, wherein the transporting contact portion is provided at a portion where a mesh-shaped protrusion is in contact with the web.
The mesh-shaped projecting portion is a flexible wire rod knitted in a cylindrical shape or a bag shape, is attached so as to cover the base portion of the transport contact portion, and can be attached to and detached from the base portion. The transport apparatus according to claim 1, wherein the transport apparatus is characterized.
The transport apparatus according to claim 1 or 2, wherein the transport contact portion is a transport roller having a cylindrical outer peripheral surface that rotates in a predetermined direction while being in contact with the web.
The transport apparatus according to claim 1 or 2, wherein the transport contact portion is a grip feeder that moves in a predetermined direction while gripping the web.