JP2022034363A - Sheet supply device and sheet supply method - Google Patents

Abstract

To provide a sheet supply device and a sheet supply method, capable of preventing spending a lot of time on remodeling.SOLUTION: A sheet supply device includes: feeding-out means 10 for feeding out a raw sheet RS in which an adhesive sheet AS is temporarily attached to a strip-shaped peeling sheet RL; and a plurality of peeling means 20 for peeling the adhesive sheet AS from the peeling sheet RL of the raw sheet RS fed out by the feeding-out means 10. The sheet supply device also includes positioning means 30 which is provided such that one peeling means 20 of the plurality of peeling means 20 can be selectively supported, and which, even if any peeling means 20 is supported, can position and support the peeling means 20 such that peeling parts 21F, 22J, which bend the peeling sheet RL and peel the adhesive sheet AS from the peeling sheet RL, have a predetermined posture at a predetermined position FP.SELECTED DRAWING: Figure 1

Description

The present invention relates to a sheet supply device and a sheet supply method.

A sheet supply device for supplying an adhesive sheet is known (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2019-117872

In the sheet supply device 10 (sheet supply device) described in Patent Document 1, peeling is performed depending on the material and configuration of the raw fabric RS (raw fabric), the adhesive sheet AS (adhesive sheet), the release sheet RL (release sheet), and the like. The sheet is bent by replacing it with a release plate 30 (peeling means) having a different bending angle, or by replacing it with a different type of peeling means. When such a mold change is performed, if the position or posture of the peeling edge 30A (peeling portion) of the peeling means is deviated, the passing position of the peeling sheet with respect to the peeling portion becomes unstable and meandering occurs. In such a case, it is necessary to readjust the mounting position, mounting angle, etc. of the peeling means, the guide roller 22, the drive roller 23, etc. to eliminate the meandering, which causes the inconvenience of spending a lot of time on the mold change. Occur.

An object of the present invention is to provide a sheet supply device and a sheet supply method capable of preventing a large amount of time from being spent on mold change.

The present invention has adopted the configuration described in the claims.

According to the present invention, regardless of which of the peeling means is supported, the peeling portion is in a predetermined posture at a predetermined position, so that the position of the peeling portion of the peeling member is not deviated at the time of mold change. .. Therefore, it is possible to prevent a large amount of time from being spent on the mold change.

(A) is an explanatory diagram of a sheet pasting device in which the sheet supply device according to the embodiment of the present invention is adopted, and (B) to (E) are explanatory views of a mold change.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
The X-axis, Y-axis, and Z-axis in the present embodiment are orthogonal to each other, the X-axis and the Y-axis are axes in a predetermined plane, and the Z-axis is an axis orthogonal to the predetermined plane. do. Further, in the present embodiment, "up" is "down" in the direction of the arrow on the Z axis when the direction is shown without specifying the figure, based on the case of viewing from the front direction in FIG. 1 parallel to the Y axis. Is the opposite direction, "left" is the arrow direction of the X axis, "right" is the opposite direction, "front" is the middle front direction parallel to the Y axis, and "rear" is the opposite direction. 1 (B) to 1 (E) are views viewed from the direction of arrow AD in FIG. 1 (A).

The sheet sticking device EA1 in which the sheet supply device EA of the present invention is adopted is a feeding means 10 for feeding out the raw fabric RS in which the adhesive sheet AS is temporarily attached to the strip-shaped peeling sheet RL, and the raw fabric fed by the feeding means 10. A plurality of peeling means 20 for peeling the adhesive sheet AS from the peeling sheet RL of RS and one of the plurality of peeling means 20 can be selectively supported, and any of the peeling means 20 is supported. Also, the peeling means 20 is positioned and supported so that the peeling portions 21F and 22J that bend the peeling sheet RL and peel the adhesive sheet AS from the peeling sheet RL are in a predetermined posture at a predetermined position FP. The adherend transporting means 50 comprising means 30 and a pressing means 40 having a pressing roller 41 for pressing and attaching the adhesive sheet AS peeled off by the peeling means 20 to the adherend WK. It is located in the vicinity of.
The sheet supply device EA of the present invention is composed of a feeding means 10, a peeling means 20, and a positioning means 30.

The feeding means 10 is supported by a support roller 11 that supports the raw fabric RS, a guide roller 12 that guides the raw fabric RS, and an output shaft (not shown) of the rotary motor 13A as a drive device, and is peeled off by the pinch roller 13B. Peeling that exists between the drive roller 13 that sandwiches the sheet RL and the pinch roller 13B while the sheet attachment device EA1 (seat supply device EA) is automatically operated while being supported by the output shaft of a drive device (not shown). A recovery roller 14 as a recovery means for always applying a predetermined tension to the sheet RL to recover the release sheet RL, and a base plate 15 for directly or indirectly supporting each member of the feeding means 10 are provided.

The peeling means 20 is composed of a plurality of the first peeling member 21 and the second peeling member 22.
As shown in FIGS. 1B and 1C, the first peeling member 21 includes a peeling plate 21A, in which two elongated holes 21B are formed and two side walls 21C and 21D are formed in the peeling plate 21A. A reference portion 21E, which is a 90-degree corner portion composed of the same, is formed, and one side having a tapered shape is a peeling portion 21F.
As shown in FIGS. 1D and 1E, the second peeling member 22 includes a support plate 22A and a peeling roller 22C rotatably supported by the support plate 22A via a shaft 22B to support the support plate 22A. The plate 22A is formed with two elongated holes 22D and a reference portion 22G which is a 90-degree corner portion composed of two side walls 22E and 22F, and is parallel to the support surface 22H of the support plate 22A. The position where the surface is in contact with the outer periphery of the peeling roller 22C is the peeling portion 22J.
The first peeling member 21 and the second peeling member 22 are formed so that the peeling portions 21F and 22J and the reference portions 21E and 22G, respectively, have the same positional relationship.

As shown in FIGS. 1B to 1E, the positioning means 30 includes a receiving member 31 supported by the base plate 15, and the receiving member 31 is formed on the release plate 21A and the support plate 22A, respectively. Two screw holes 31A formed at positions corresponding to the two elongated holes 21B and 22D, and a positioning portion 31E which is a 90-degree corner portion composed of two side walls 31C and 31D forming the recess 31B are formed. When the reference portion 21E of the first peeling member 21 or the reference portion 22G of the second peeling member 22 comes into close contact with the positioning portion 31E, the peeling portion 21F of the first peeling member 21 and the peeling portion 22J of the second peeling member 22 Is in a predetermined posture at a predetermined position FP.
In the present embodiment, the corner portion 15A of the base plate 15 serves as a positioning reference portion, and a position separated from the positioning reference portion to the left by a distance D1 and downward by a distance D2 is set as a predetermined position FP. The posture that coincides with the straight line parallel to the Y axis passing through the predetermined position FP is defined as the predetermined posture.

The adherend transport means 50 is supported by a slider 51A of a linear motor 51 as a drive device, and has a support table 52A having a holding surface 52A that can be sucked and held by a decompression means (holding means) (not shown) such as a decompression pump or a vacuum ejector. 52 is provided.

The operation of the sheet pasting device EA1 in which the above sheet supply device EA is adopted will be described.
In the sheet pasting device EA1, the reference portion 21E of the first peeling member 21 is brought into close contact with the positioning portion 31E and fixed as shown in FIGS. 1 (A) and 1 (B) excluding the figure with the reference numeral AA. The first peeling member 21 is attached to the receiving member 31 by two bolts BL as means, and the attachment position, attachment angle, etc. of the guide roller 12, the drive roller 13, etc. are adjusted in that state. The meandering of the peeling sheet RL with respect to the peeling portion 21F is eliminated.
In the above state, with respect to the sheet pasting device EA1 in which each member is arranged at the initial position shown by the solid line in FIG. 1 (A), the user of the sheet pasting device EA1 (hereinafter, simply referred to as “user”). After setting the original RS as shown in the figure, a signal for starting automatic operation is input via an operation means such as an operation panel or a personal computer (not shown). Then, the feeding means 10 drives the rotation motor 13A to feed the original fabric RS, and when the tip portion of the leading adhesive sheet AS in the feeding direction is peeled by the peeling portion 21F of the first peeling member 21 by a predetermined length, the feeding means 10 is fed. The means 10 stops driving the rotary motor 13A. Next, when a user or a transport means (not shown) such as an articulated robot or a belt conveyor places the adherend WK on the support table 52, the adherend transport means 50 drives a decompression means (not shown) to support the support surface. The adsorption and retention of the adherend WK at 52A is started.

After that, the adherend transport means 50 drives the linear motor 51, the support table 52 is moved to the left, and when the adherend WK reaches a predetermined position, the payout means 10 drives the rotary motor 13A. The original fabric RS is delivered according to the moving speed of the adherend WK. As a result, the adhesive sheet AS is peeled off from the release sheet RL, and the adhesive sheet AS peeled off from the release sheet RL is attached to the adherend WK by the pressing roller 41 as shown by the alternate long and short dash line in FIG. 1 (A). It is pressed and pasted. Next, the entire leading adhesive sheet AS is attached to the adherend WK to form an integral UP, and the tip of the next adhesive sheet AS following the leading adhesive sheet AS is the first peeling member 21. When the peeling portion 21A peels off by a predetermined length, the feeding means 10 stops driving the rotary motor 13A. Then, when the integral UP reaches a predetermined position on the left side of the pressing roller 41, the adherend transporting means 50 stops driving the linear motor 51, then stops driving the depressurizing means (not shown), and the support surface 52A. Releases the adsorption and retention of the adherend WK. Next, when the user or a transport means (not shown) transports the integrated object UP to the next step, the adherend transport means 50 drives the linear motor 51 to return the support table 52 to the initial position, and thereafter, the same operation as described above is performed. Repeated.

Here, when the first peeling member 21 attached to the sheet pasting device EA1 is replaced with the second peeling member 22, the user removes the original fabric RS set in the sheet pasting device EA1. After that, the two bolts BL are removed and the first peeling member 21 is received and removed from the member 31 (see FIG. 1 (C)). After that, the user attaches the reference portion 22G of the second peeling member 22 to the positioning portion 31E, receives the second peeling member 22 by two bolts BL, attaches the second peeling member 22 to the member 31, and reattaches the raw fabric RS or another original fabric. Set (see FIGS. 1 (D) and 1 (E)). It should be noted that the same procedure can be used when the second peeling member 22 attached to the sheet sticking device EA1 is replaced with the first peeling member 21.
As described above, in the sheet pasting device EA1 in which the sheet supply device EA of the present invention is adopted, the peeling portions 21F and 22J of the first peeling member 21 and the second peeling member 22 and the reference portions 21E and 22G, respectively, are used. Since they are formed so as to have the same positional relationship with each other, if the reference portions 21E and 22G are attached in close contact with the positioning portion 31E, the peeling portions 21F and 22J are arranged in the same position and in the same posture. Therefore, the meandering of the release sheet RL can be eliminated without adjusting the mounting position, mounting angle, etc. of the guide roller 12, the drive roller 13, and the like each time the mold is changed.

According to the above embodiment, even if the first peeling member 21 or the second peeling member 22 is supported, the peeling portions 21F and 22J are in a predetermined posture at a predetermined position FP. The positions of the peeling portions 21F and 22J of the first peeling member 21 or the second peeling member 22 will not be out of order. Therefore, it is possible to prevent a large amount of time from being spent on the mold change.

The means and processes in the present invention are not limited as long as they can perform the operations, functions or processes described for the means and processes, much less the constituents of the mere embodiment shown in the above-described embodiment. It is not limited to the process at all. For example, the feeding means may be any as long as it is possible to feed the original fabric in which the adhesive sheet is temporarily attached to the strip-shaped release sheet, and it may be within the technical scope in light of the common general technical knowledge at the time of filing. There is no limitation (same for other means and processes).

In the feeding means 10, a closed loop-shaped or short cut in the entire width direction is formed on the strip-shaped adhesive sheet base material temporarily attached to the release sheet RL, so that a predetermined region partitioned by the cut is adhered. The raw fabric as the sheet AS may be fed out, or the raw fabric in which the strip-shaped adhesive sheet base material is temporarily attached to the release sheet RL is adopted, and the adhesive sheet base material is cut in a closed loop shape or the entire short width direction. The indentation may be formed by a cutting means, and a predetermined area partitioned by the notch may be used as an adhesive sheet AS. The torque of the rotary motor 13A may be controlled so that tension is applied, or the original fabric RS or the peeling sheet RL may be used instead of the rollers such as the support roller 11 and the guide roller 12 with a plate-shaped member or a shaft member. It may be supported or guided, or it may be supported so as to pull out the original fabric RS from the original fabric RS folded in a fan fold without winding the original fabric RS, or it may be peeled off. A recovery means for recovering the peeled sheet RL by folding the sheet RL into a fan fold, chopping it with a shredder or the like, or randomly accumulating the sheet RL may be adopted, or the recovery means may not be adopted.

The peeling means 20 may be composed of a plurality of three or more types, and may be used in place of the first and second peeling members 21 and 22, or in addition to the first and second peeling members 21 and 22, for example. Any material may be adopted, such as a peeling plate having a tapered angle of a peeling portion, a peeling plate having a different thickness, a peeling roller having a different diameter, and a peeling plate having other shapes. The peeling member may be formed so that each peeling portion and the reference portion have the same positional relationship.
The peeling means 20 may use, for example, a corner portion other than 90 degrees such as 30 degrees or 60 degrees as a reference portion, and the corner portion other than 90 degrees such as 30 degrees or 60 degrees corresponding to them as a positioning portion. , Other shaped parts such as arcs and U-shaped parts may be used as reference parts, and other shaped parts such as arcs and U-shaped parts corresponding to them may be used as reference parts, and convex parts or concave parts may be used as reference parts. The concave portion or the convex portion in which the convex portion or the concave portion is in close contact with the positioning means may be used as the positioning portion, or the position of any of the constituents may be used as the reference portion, and the positioning means may use the reference portion as a multipoint or a surface or the like. The receiving member may be a positioning portion, two or more reference portions may be provided, and the positioning means may also be provided with two or more positioning portions, or the upper surface of the release plate 21A or the support plate 22A. The reference portion may be provided at any position such as the lower surface and the side surface.

The positioning means may be provided with a positioning portion at any position such as the upper surface, the lower surface, and the side surface of the receiving member 31, or, for example, a groove or a hole formed directly in the base plate 15 may be used as the positioning portion, or a positioning portion other than the base plate 15 may be provided. It may be supported by a member, the positioning reference portion that defines a predetermined position FP and a predetermined posture may be any position other than the corner portion 15A, and a straight line that is not parallel to the Y axis passing through the predetermined position FP. The matching posture may be a predetermined posture.
The fixing means may be any one such as a clamp lever, a magnet, an adhesive tape, an adhesive, etc., as long as it can be attached to the first and second peeling members 21 and 22 to the receiving member 31, and the first and second peeling members. The elongated holes 21B and 22D may not be formed in the 21 and 22, and the screw holes 31A may not be formed in the receiving member 31.

The pressing means 40 employs a driving device as a pressing member contacting / detaching means for separating and approaching the pressing roller 41 to the adherend WK so as to prevent the adherend WK from being stressed or damaged. Alternatively, the adhesive sheet AS may be held by a holding member that is supported by the output shaft of a linear motion motor as a drive device and can be sucked and held by a pressure reducing means (holding means) (not shown) such as a pressure reducing pump or a vacuum ejector. A configuration may be adopted in which the adhesive sheet AS held by the holding member is pressed against the adherend WK and attached, or the sheet supply device EA or the sheet attachment device EA1 of the present invention may or may be provided. It does not have to be.

The adherend transporting means 50 may employ a drive device for moving the support table 52 in the front-rear direction to position the adherend WK, or is provided in the sheet supply device EA or the sheet attachment device EA1 of the present invention. It may or may not be equipped.

In the above embodiment, the sheet affixing device EA1 moves the adherend WK to the non-moving sheet supply device EA and the pressing means 40, and affixes the adhesive sheet AS to the adherend WK. The sheet supply device EA and the pressing means 40 may be moved without moving the adherend WK or while moving the adherend WK, and the adhesive sheet AS may be attached to the adherend WK.

The sheet supply device EA may be arranged upside down or arranged sideways to supply the adhesive sheet AS, for example, an adhesive sheet stacking device for stacking a plurality of adhesive sheet ASs one by one. , The adhesive sheet AS may be used as a component other than the sheet attachment device EA1, such as a transfer device for transferring the adhesive sheet AS to another release sheet, or the adhesive sheet AS may be manually attached to the adherend WK semi-automatically. It may be used alone as a sheet sticking device.

The materials, types, shapes, etc. of the adhesive sheet AS and the adherend WK in the present invention are not particularly limited. For example, the adhesive sheet AS and the adherend WK may have a circular shape, an elliptical shape, a polygonal shape such as a triangle or a square shape, or any other shape, and the adhesive sheet AS may have pressure-sensitive adhesiveness, heat-sensitive adhesiveness, or the like. It may be of an adhesive form, and when a heat-sensitive adhesive sheet AS is adopted, it is appropriate to provide an appropriate coil heater for heating the adhesive sheet AS or a heating means such as a heating side of a heat pipe. It may be bonded by a method. Further, such an adhesive sheet AS has three layers, for example, a single layer having only an adhesive layer, an intermediate layer between a base material and an adhesive layer, and a cover layer on the upper surface of the base material. Further, it may be a so-called double-sided adhesive sheet capable of peeling the base material from the adhesive layer, and the double-sided adhesive sheet may have a single-layer or multi-layer intermediate layer. It may be a single layer or a multi-layer without an intermediate layer. The adherend WK includes, for example, foods, resin containers, semiconductor wafers such as silicon semiconductor wafers and compound semiconductor wafers, circuit boards, information recording boards such as optical disks, glass plates, steel plates, pottery, wood boards or resins. It may be a single object, or it may be a compound formed by two or more of them, and any form of a member, an article, or the like can be targeted. The adhesive sheet AS may be read in a functional and versatile manner, and may be, for example, an information description label, a decorative label, a protective sheet, a dicing tape, a die attach film, a die bonding tape, a recording layer forming resin sheet, or the like. Sheets, films, tapes, etc. may be used.

The drive device in the above embodiment is an electric device such as a rotary motor, a linear motor, a linear motor, a single-axis robot, an articulated robot having two-axis or three-axis or more joints, an air cylinder, a hydraulic cylinder, and a rodless. Actuators such as cylinders and rotary cylinders can be adopted, and those in which they are directly or indirectly combined can also be adopted.
In the above embodiment, when a rotating member such as a roller is adopted, a driving device for rotationally driving the rotating member may be provided, or the surface of the rotating member or the rotating member itself can be deformed by rubber, resin, or the like. It may be composed of a member, the surface of the rotating member or the rotating member itself may be composed of a member that does not deform, or another member such as a shaft or a blade that rotates or does not rotate may be adopted instead of the roller. Alternatively, when a pressing means such as a pressing roller or a pressing head or a pressing member such as a pressing member is used, a roller, a round bar, or a blade may be used in place of or in combination with the above-exemplified ones. In addition to materials and brush-like members, those by spraying gas such as air or gas may be adopted, and those to be pressed may be composed of deformable members such as rubber, resin, and sponge, or metal. It may be composed of a non-deformable member such as a resin or a resin, or if a peeling means such as a peeling plate or a peeling roller or a peeling member that peels off an object to be peeled is adopted, it may be replaced with the one exemplified above. Alternatively, a plate-shaped member, a round bar, a roller, or the like may be used in combination, or the material to be peeled off may be made of a deformable member such as rubber or resin, or may be made of a non-deformable member. Alternatively, when a supporting (holding) means or a supporting (holding) member such as a supported (holding) member is used, a gripping means such as a mechanical chuck or a chuck cylinder is used. , Coulomb force, adhesive (adhesive sheet, adhesive tape), adhesive (adhesive sheet, adhesive tape), magnetic force, Bernoulli suction, suction suction, drive equipment, etc. to support (hold) the supported member. Alternatively, when a material for cutting a member to be cut such as a cutting means or a cutting member or forming a cut or a cutting line in the member to be cut is adopted, it may be used in place of or in combination with the above-exemplified one. , Cutter blades, laser cutters, ion beams, thermal power, heat, water pressure, heating wires, those that cut by spraying gas or liquid, etc., or those that cut by combining appropriate drive equipment are moved. You may let it cut.

EA ... Sheet supply device 10 ... Feeding means 20 ... Peeling means 21F, 22J ... Peeling part 30 ... Positioning means AS ... Adhesive sheet FP ... Predetermined position RL ... Peeling sheet RS ... Original fabric

Claims (2)

A feeding means for feeding out the original fabric with an adhesive sheet temporarily attached to the strip-shaped release sheet,
It is provided with a plurality of peeling means for peeling the adhesive sheet from the peeling sheet of the raw fabric unwound by the feeding means.
One of the plurality of peeling means can be selectively supported, and no matter which of the peeling means is supported, the peeling portion that bends the peeling sheet and peels the adhesive sheet from the peeling sheet is provided. A sheet supply device comprising a positioning means capable of positioning and supporting the peeling means so as to be in a predetermined posture at a predetermined position. A feeding process in which an adhesive sheet is temporarily attached to a strip-shaped release sheet to feed out the original fabric.
A peeling step of peeling the adhesive sheet from the peeling sheet of the raw fabric unwound in the feeding step by using a peeling means was carried out.
Prepare a plurality of the peeling means,
A positioning means capable of selectively supporting one of the plurality of peeling means is used, and regardless of which peeling means is supported, the peeling sheet is bent to peel the adhesive sheet from the peeling sheet. A sheet supply method comprising a positioning step of positioning and supporting the peeling means so that the portion is in a predetermined position at a predetermined position.

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