JP2022018897A - Sheet sticking device and sheet sticking method - Google Patents

Abstract

To provide a sheet sticking device and a sheet sticking method capable of preventing the device from being enlarged.SOLUTION: A sheet sticking device EA comprises: supply means 10 which peels an adhesive sheet AS from an original sheet RS where a plurality of adhesive sheets AS are temporary stuck to a release sheet RL at first prescribed intervals GP1, to supply; and sticking means 20 which holds the plurality of adhesive sheets AS supplied by the supply means 10 at second prescribed intervals GP2 and sticks the plurality of adhesive sheets AS to a single adherend WK in a state where the second interval is maintained. The sticking means 20 comprises sticking auxiliary means 26 which rotates the adherend WK at a prescribed sticking position AP and sticks the adhesive sheet AS to the adherend WK.SELECTED DRAWING: Figure 1

Description

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

A sheet attaching device that holds a plurality of adhesive sheets and attaches the held plurality of adhesive sheets to an adherend is known (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2011-93583

The sheet affixing device 1 (sheet affixing device) described in Patent Document 1 sandwiches a work W (adhesive body) between a suction belt 45 that sucks and supports an adhesive sheet S (adhesive sheet) and a pressing belt 54, and these belts. By transporting the adherend while rotating it with (pasting means), a plurality of adhesive sheets are attached to the adherend, so that the sticking means becomes larger in the transporting direction of the adherend, which is inconvenient for the device to become larger. There is.

An object of the present invention is to provide a sheet pasting device and a sheet pasting method capable of preventing the device from becoming large in size.

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

According to the present invention, since the adherend is rotated at a predetermined attachment position to attach a plurality of adhesive sheets to the adherend, the attachment means does not increase in the transport direction of the adherend, and the apparatus becomes large. Can be prevented from doing so.
Further, if a holding force for holding the adhesive sheet is applied to the belts hung on the first pulley and the second pulley and a rotational force is applied to the belts, the adhesive sheet can be attached to the adherend with a simple structure. can do.
Further, if the sticking assisting means includes a plurality of rollers for sandwiching the adherend with the first pulley, the adherend can be reliably sandwiched at a predetermined sticking position.

Explanatory drawing of the sheet sticking apparatus which concerns on one Embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
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, when viewed from the front direction of FIG. 1 parallel to the Z axis, when the direction is shown, "upper" is the front direction of FIG. 1 and "lower" is the opposite direction, ". "Left" is the direction of the arrow on the X-axis, "right" is the opposite direction, "front" is the direction of the arrow on the Y-axis, and "rear" is the opposite direction.

The sheet sticking device EA of the present invention has a supply means 10 for peeling and supplying the adhesive sheet AS from the raw fabric RS on which a plurality of adhesive sheet ASs are temporarily attached with a predetermined first interval GP1 on the release sheet RL. , A plurality of adhesive sheet ASs supplied by the supply means 10 are held with a predetermined second interval GP2, and the plurality of adhesive sheet ASs are combined into a single adherend WK while maintaining the second interval GP2. It is provided with a sticking means 20 for sticking, and is arranged in the vicinity of the transport means 30 for transporting the adherend WK.

The supply means 10 folds back the peeling sheet RL at the support roller 11 that supports the raw fabric RS, the plurality of guide rollers 12 that guide the raw fabric RS, and the peeling edge 13A, and peels the adhesive sheet AS from the peeling sheet RL. Supported by a peeling plate 13 as a peeling means, a drive roller 14 supported by an output shaft (not shown) of a rotary motor 14A as a drive device, and sandwiching the peeling sheet RL between the pinch rollers 14B, and an output shaft of a drive device (not shown). It is provided with a recovery roller 15 that constantly applies a predetermined tension to the release sheet RL existing between the pinch roller 14B and the release sheet RL and collects the release sheet RL while the sheet attachment device EA is automatically operated. ing.

The sticking means 20 includes a first pulley 21, a second pulley 22, a suction belt 23 as a belt hung around the first pulley 21 and the second pulley 22, and a decompression pump, a vacuum ejector, or the like (not shown). A suction chamber 24 as a holding force applying means connected to the means and applying a suction force as a holding force to hold the adhesive sheet AS to the suction belt 23, and a second pulley 22 supported by an output shaft (not shown) to support the suction belt. The adhesive sheet AS is attached to the adherend WK by rotating the rotational motor 25 as a drive device and the adherend WK at a predetermined attachment position AP, which is a rotational force applying means for applying the rotational force to the 23. It is provided with a sticking assisting means 26.
The sticking assisting means 26 includes first and second rollers 26C and 26F as a plurality of rollers that sandwich the adherend WK with the first pulley 21 via the suction belt 23. That is, the sticking auxiliary means 26 includes the first roller 26C rotatably supported by the output shaft 26B of the first linear motion motor 26A as the drive device, and the output shaft 26E of the second linear motion motor 26D as the drive device. It is equipped with a second roller 26F that is rotatably supported.

The transport means 30 includes a conveyor 31 such as a belt conveyor or a roller conveyor, and a guide bar 32 that guides the adherend WK to the attachment position AP.

The operation of the above sheet pasting device EA will be described.
First, with respect to the sheet pasting device EA 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 EA (hereinafter, simply referred to as “user”) is as shown in the figure. After setting the original RS in, a signal for starting automatic operation is input via an operation means such as an operation panel (not shown) or a personal computer. Then, the supply means 10 drives the rotary motor 14A, feeds the raw fabric RS, and when the tip portion of the leading adhesive sheet AS in the feed direction is peeled off by the peeling edge 13A of the peeling plate 13 by a predetermined length, the rotary motor The drive of 14A is stopped. Next, when the transport means 30 drives the conveyor 31, the adherend WK is conveyed along the guide bar 32 in the predetermined transport direction TD, and the adherend WK reaches a predetermined position with respect to the supply means 10, the adherend WK is supplied. The means 10 and the sticking means 20 drive the rotation motors 14A and 25 and the decompression means (not shown) to feed the original fabric RS and rotate the suction belt 23 in the counterclockwise rotation direction while applying a suction force in the suction chamber 24. Let me. As a result, the first adhesive sheet AS and the second adhesive sheet AS following it are peeled off from the peeling sheet RL, and the two peeled adhesive sheet AS are as shown by the alternate long and short dash line in FIG. 1 (A). , It is attracted and held by the suction belt 23 and conveyed toward the attachment position AP. At this time, the second spacing GP2 between the first adhesive sheet AS and the second adhesive sheet AS is set to half the length obtained by subtracting the length in the feeding direction of each adhesive sheet AS from the outer peripheral length of the adherend WK. Has been done. After that, when the leading adhesive sheet AS reaches a predetermined position in the vicinity of the first pulley 21, the sticking means 20 stops driving the rotary motor 25, while the third adhesive sheet AS following the second adhesive sheet AS When the tip portion in the feeding direction is peeled off by the peeling edge 13A of the peeling plate 13 by a predetermined length, the supply means 10 stops driving the rotary motor 14A.

Next, when the adherend WK abuts on the suction belt 23 and the first roller 26C and is arranged at the sticking position AP, the sticking means 20 drives the second linear motion motor 26D, and the second in FIG. 1 (A). As shown by the dotted line, the second roller 26F is moved forward, and the adherend WK is sandwiched between the first pulley 21 via the suction belt 23 and the first and second rollers 26C and 26F. Then, the sticking means 20 drives the rotation motor 25 to rotate the suction belt 23 in the counterclockwise rotation direction, and as shown in FIG. 1 (B), the adhesive sheet AS at the head and the second adhesive sheet AS on the adherend WK. Attach the adhesive sheet AS. Next, when the attachment of the two adhesive sheets AS to the adherend WK is completed, the attachment means 20 stops driving the rotary motor 25 and the decompression means (not shown), and then the first and second linear motion motors 26A, The 26D is driven, and as shown in FIG. 1C, the first roller 26C is retracted rearward, the second roller 26F is returned to the initial position, and the adherend WK is conveyed to the next step. After that, when the adherend WK disappears from the sticking position AP, the sticking means 20 drives the first linear motion motor 26A to return the first roller 26C to the initial position, and the same operation as described above is repeated thereafter.

According to the above embodiment, since the adherend WK is rotated at a predetermined attachment position AP to attach the plurality of adhesive sheets AS to the adherend WK, the attachment means 20 conveys the adherend WK. It does not increase in the direction TD, and it is possible to prevent the device from increasing in size.

As described above, the best configuration, method, etc. for carrying out the present invention are disclosed in the above description, but the present invention is not limited thereto. That is, although the present invention has been particularly illustrated and described primarily with respect to a particular embodiment, the shape, with respect to the embodiments described above, without departing from the scope of the technical idea and object of the present invention. Those skilled in the art can make various modifications in terms of material, quantity, and other detailed configurations. Further, the description limiting the shape, material, etc. disclosed above is merely an example for facilitating the understanding of the present invention, and does not limit the present invention. Therefore, the shape, material, and the like are described above. The description in the name of the member excluding a part or all of the limitation such as is included in the present invention.

The supply means 10 may be of the same type or different types of the adhesive sheet AS to be supplied, and may have a closed loop shape or a closed loop shape on the strip-shaped adhesive sheet base material temporarily attached to the release sheet RL. By forming a notch in the entire short width direction, a predetermined area partitioned by the notch may be fed out as an adhesive sheet AS, or a strip-shaped adhesive sheet base material may be a release sheet. The original fabric temporarily attached to the RL is used, and a closed loop-shaped or short cut in the entire width direction is formed in the adhesive sheet base material by a cutting means, and a predetermined area partitioned by the cut is used as the adhesive sheet AS. Alternatively, the original fabric RS or the release sheet RL may be supported or guided by a plate-shaped member, a shaft member, or the like instead of each roller such as the support roller 11 or the guide roller 12, or the original fabric RS may be used. The peeling sheet RL may be supported by, for example, fanfold folding without winding, or the peeling sheet RL may be folded, for example, by fanfold folding without winding, chopped with a shredder, or randomly integrated. May be recovered, or the release sheet RL may not be recovered.

The sticking means 20 includes a holding plate that is supported by a slider of a linear motor as a drive device and has a holding surface that can be sucked and held by a pressure reducing means (holding means) (not shown) such as a pressure reducing pump or a vacuum ejector. In, a configuration may be adopted in which a plurality of adhesive sheets AS are held with a second space GP2, or the second space GP2 has the same space as the first space GP1, a larger space than the first space GP1, or a first space. A plurality of adhesive sheet ASs may be held at intervals smaller than one interval GP1, or the adhesive sheet AS may be attached to the adherend WK while receiving the adhesive sheet AS from the supply means 10. You may do it, or you may hold and attach three or more adhesive sheets AS, and when you hold and attach three or more adhesive sheets AS, the second interval GP2 of each adhesive sheet AS is all. They may be the same or they may be at different intervals.
As the holding force imparting means, a configuration for imparting Coulomb force, adhesive force, adhesive force, magnetic force and the like may be adopted as the holding force applied to the belt.
The sticking assisting means may adopt a configuration in which a plurality of rollers are supported by the output shaft of a single linear motion motor, or the adherend WK with the first pulley 21 by a single or three or more rollers. The adherend WK may be sandwiched between the first pulley 21 and the first pulley 21 by spraying a gas such as air or gas, or the first pulley 21 may be sandwiched by a belt run around by the two pulleys. The adherend WK may be sandwiched between and.
The rotational force applying means may drive the first pulley 21 in place of or in combination with the second pulley 22 to apply the rotational force to rotate the adherend WK to the belt, or directly apply the rotational force to the belt. It may be given.

The transport means 30 may, for example, transport the adherend WK by an articulated robot as a drive device, or may stop driving the conveyor 31 while the adhesive sheet AS is attached to the adherend WK. Alternatively, the sheet sticking device EA of the present invention may or may not be provided, and if it is not provided, the adherend WK may be conveyed by another device.

The sheet sticking device EA includes an image pickup means such as a camera or a projector for detecting the diameter of the adherend WK, a detection means composed of various sensors such as an optical sensor and an ultrasonic sensor, and a detection result of the detection means. It may be provided with a control means such as a personal computer or a sequencer that calculates the second interval GP2 based on the above, or the user may input the size of the second interval GP2 to the control means in advance.
The sheet affixing device EA may form the second interval GP2 by the operation of the supply means 10, the second interval GP2 may be formed by the operation of the affixing means 20, or the second interval GP2 may be formed by the operation of both of them. The GP2 may be formed, for example, the supply means 10 may adjust the timing of supplying the adhesive sheet AS to the sticking means 20 to form the second interval GP2, or the sticking means 20 may rotate the suction belt 23. The speed may be adjusted to form the second interval GP2, or both of them may be adjusted to form the second interval GP2.

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 supply means may be any as long as it can be supplied by peeling the adhesive sheet from the raw fabric on which a plurality of adhesive sheets are temporarily attached at a predetermined first interval. There is no limitation as long as it is within the technical scope in light of the common general technical knowledge at the time of filing (the same applies to other means and processes).

The material, type, shape, etc. of the adhesive sheet AS and the adherend WK 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 quadrangle, or any other shape, and the adhesive sheet AS may have pressure-sensitive adhesiveness, heat-sensitive adhesiveness, or the like. It may be in an adhesive form. 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 a composite body formed of two or more of them, and any form of a member or an article 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 that presses a pressed object is adopted, a roller, a round bar, or a blade may be used in place of or in combination with the above-exemplified ones. A member such as a material, rubber, resin, or sponge may be adopted, or a structure that presses by blowing a gas such as air or gas may be adopted, or a deformable member such as rubber or resin may be adopted. It may be composed of a member that does not deform, 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 is exemplified above. A member such as a plate-shaped member, a round bar, or a roller may be adopted in place of or in combination with a member, or a member to be peeled off may be composed of a deformable member such as rubber or resin, or may be deformed. It may be composed of members that are not cut, or if a member that cuts a member to be cut such as a cutting means or a cutting member or that forms a cut or a cutting line in the member to be cut is adopted, the above-exemplified one is used. Instead or in combination, a cutter blade, laser cutter, ion beam, thermal power, heat, water pressure, heating wire, one that cuts by spraying gas or liquid, etc. is adopted, or an appropriate drive device is combined. You may move what you want to cut with and cut it.

EA ... Sheet sticking device 10 ... Supply means 20 ... Sticking means 21 ... 1st pulley 22 ... 2nd pulley 23 ... Suction belt (belt)
24 ... Suction chamber (means for imparting holding force)
25 ... Rotational motor (rotational force applying means)
26 ... Pasting auxiliary means 26C ... First roller (roller)
26F ... 2nd roller (roller)
AP ... Pasting position AS ... Adhesive sheet GP1 ... 1st interval GP2 ... 2nd interval RL ... Peeling sheet RS ... Original fabric WK ... Adhesive

Claims (4)

A supply means for peeling and supplying the adhesive sheet from the raw fabric on which a plurality of adhesive sheets are temporarily attached at a predetermined first interval to the release sheet.
A sticking means for holding a plurality of the adhesive sheets supplied by the supply means at a predetermined second interval and attaching the plurality of the adhesive sheets to a single adherend while maintaining the second interval. And with
The sticking means is a sheet sticking device comprising a sticking assisting means for sticking the adhesive sheet to the adherend by rotating the adherend at a predetermined sticking position. The sticking means includes a first pulley, a second pulley, a belt hung around the first pulley and the second pulley, and a holding force applying means for imparting a holding force for holding the adhesive sheet to the belt. The sheet sticking device according to claim 1, further comprising a rotational force applying means for applying a rotational force to the belt. The sheet pasting device according to claim 2, wherein the sticking assisting means includes a plurality of rollers for sandwiching the adherend with the first pulley via the belt. A supply process in which the adhesive sheet is peeled off from the raw fabric on which a plurality of adhesive sheets are temporarily attached at a predetermined first interval and supplied to the release sheet.
A sticking step of holding a plurality of the adhesive sheets supplied in the supply step at a predetermined second interval and attaching the plurality of the adhesive sheets to a single adherend while maintaining the second interval. And carry out,
The sticking step is a sheet sticking method characterized by performing a sticking assisting step of rotating the adherend at a predetermined sticking position and sticking the adhesive sheet to the adherend.

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