JP2013038290A - Sheet sticking device and sheet sticking method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet sticking device and a sheet sticking method capable of sandwiching a work with an adhesive sheet being stuck to the front and back surfaces thereof while maintaining the planar shape of the work.SOLUTION: A sheet sticking device 10 which sticks first and second adhesive sheets AS1, AS2 to the front and back surfaces WK1, WK2 of a work WK comprises support means 14 for supporting the work WK, first feed means 13 for feeding the first adhesive sheet AS1 to the front surface WK1 of the work WK, first press means 15 for sticking the first adhesive sheet AS1 to the front surface WK1, second feed means 17 for feeding the second adhesive sheet AS2 to the back surface WK2 of the work WK, and second press means 19 for sticking the second adhesive sheet AS2 to the back surface WK2. The first press means 15 sticks the first adhesive sheet AS1 to the work WK, the planar state of which is maintained by the support means 14.

Description

  The present invention relates to a sheet sticking apparatus and a sticking method, and more particularly, to a sheet sticking apparatus and a sticking method capable of sticking an adhesive sheet to the front and back surfaces of an adherend.

  Attaching an adhesive sheet to the front and back surfaces of an adherend in the form of a plate protects the adherend or completes it as a machine, electronic component, or the like. An apparatus for attaching an adhesive sheet to the front and back surfaces of such an adherend is disclosed in Patent Document 1, for example. The apparatus described in the document 1 transports a substrate using a transport unit configured by rollers, supplies an adhesive film to the front and back relative positions of the transported substrate, and positions the substrate between the films. The film is adhered to the substrate by passing the nip roller in a state.

JP 2009-157387 A

According to the sticking device disclosed in Patent Document 1, an adhesive film feeding means is provided opposite to the front and back surfaces of the substrate to be conveyed, and the substrate conveyance and the film feeding are synchronized, thereby the substrate. A film is affixed to each side of the front and back.
However, when an extremely thin and very fragile sheet is applied as an adherend, the apparatus described in Patent Document 1 is such that the conveying means is a roller, and the leading end side in the conveying direction hangs down and bends, and the middle is a wave. The adhesive film is stuck on each side of the front and back in that state, and the adhesive film is stuck so as to sandwich the adherend while maintaining the original planar shape of the adherend. There is an inconvenience that it cannot be done.

[Object of invention]
The objective of this invention is providing the sheet sticking apparatus and sticking method which can stick an adhesive sheet on each surface of the said adherend in the state which maintained the planar shape of the adherend reliably.

  In order to achieve the above object, the present invention provides a sheet pasting apparatus for pasting a belt-like first and second adhesive sheets on each surface of an adherend having a front surface and a back surface, respectively. A support means for supporting in a state maintained, a first feeding means for feeding the first adhesive sheet to a position opposite to the adherend, and a first surface on the adherend maintained in a planar state by the support means. A first pressing means for pressing and sticking the one adhesive sheet; a second feeding means for feeding the second adhesive sheet to a position facing the adherend to which the first adhesive sheet is stuck; and a back surface of the adherend And a second pressing means for pressing and sticking the second adhesive sheet.

  Moreover, it is preferable to provide tension applying means for applying tension to the adhesive sheet in at least one of the first and second feeding means.

  Furthermore, it is possible to adopt a configuration in which connection means for adding the first and second adhesive sheets is provided in at least one of the first and second feeding means.

  Further, the present invention is a sheet sticking method for sticking the first and second adhesive strips to the respective surfaces of the adherend having a front surface and a back surface, and is supported by the support means while maintaining a flat state. A step of feeding the first adhesive sheet to a position opposite to the adherend, a step of sticking the first adhesive sheet to the surface of the adherend, and a relative to the adherend attached to the first adhesive sheet. The method of taking out the 2nd adhesive sheet to the position to perform, and the process of sticking the 2nd adhesive sheet on the back of the adherend is taken.

According to the present invention, the first adhesive sheet is fed out to the surface of the adherend supported by the support means while maintaining the planar shape, and the first adhesive sheet is pressed against the adherend and pasted. Then, since the second adhesive sheet is pressed and applied to the back surface of the adherend to which the first adhesive sheet is attached, in the state where the adherend is attached to the first adhesive sheet, It will be in the state by which the planar shape of the to-be-adhered body was maintained. Therefore, after attaching the second adhesive sheet to the back side of the adherend thereafter, the first and second adhesive sheets are attached to the front and back surfaces in a state where the adherend in a state where the planar shape is maintained is sandwiched in between. Therefore, even if the adherend is extremely thin or easily bent, the adhesive sheet is stuck in a state where a part of the adherend is bent. Can be prevented.
Furthermore, according to the structure provided with the tension | tensile_strength provision means, slack of an adhesive sheet can be prevented and an adhesive sheet can be stuck without generating a wrinkle.
In addition, since the first and second adhesive sheets can be joined together by the connecting means, when the adhesive sheet is added or replaced, the sheet wrapping work in the feeding means can be omitted. Can be improved.

The schematic front view of the sheet sticking apparatus which concerns on this embodiment. Explanatory drawing of supply operation | movement of a to-be-adhered body. Operation | movement explanatory drawing which affixes a 1st adhesive sheet to a to-be-adhered body. Operation | movement explanatory drawing which connects an adhesive sheet. The schematic perspective view of a supply means.

Hereinafter, the sheet sticking apparatus according to the present embodiment will be described with reference to the drawings.
Unless otherwise specified, terms used in the present specification are based on FIG. 1, and “front” indicates the front side in the figure, while “rear” is used for the same depth side. Similarly, “left”, “right”, “upper”, and “lower” are based on FIG.

  As shown in FIG. 1, the sheet sticking apparatus 10 includes a support unit 14 that supports an adherend WK having a front surface WK1 and a back surface WK2, and a supply unit 12 that supplies the adherend WK onto the support unit 14. The first feeding means 13 for feeding the strip-shaped first adhesive sheet AS1 to a position opposite to the surface WK1 of the adherend WK on the support means 14, and the first adhesive sheet AS1 is pressed against the surface WK1 of the adherend WK. The first pressing means 15 for sticking, the second feeding means 17 for feeding the belt-like second adhesive sheet AS2 to the position opposite to the back surface WK2 of the adherend WK attached to the first adhesive sheet AS1, The second pressing means 19 is configured to press and paste the second adhesive sheet AS2 to the back surface WK2 of the body WK.

  The adherend WK in the present embodiment is an extremely thin and extremely fragile metal sheet, and the first adhesive sheet AS1 attached to the surface WK1 of the adherend WK is a belt-like base material in the original fabric RS1 state. A sheet having an adhesive layer AD1 and a release sheet RL1 temporarily attached to the adhesive layer AD1 on one surface of the sheet BS1 is employed. Further, the second adhesive sheet AS2 to be attached to the back surface WK2 of the adherend WK has adhesive layers AD2 and AD3 on the front and back surfaces of the belt-like base sheet BS2 in the original fabric RS2 state, and these adhesive layers, respectively. A sheet provided with release sheets RL2 and RL3 temporarily attached to AD2 and AD3, respectively.

  The support means 14 includes a table 11 that supports the adherend WK in a state in which the planar state is maintained, and a linear motion motor LM2 (see FIG. 2) as a drive device that enables the table 11 to move in the vertical direction. The table 11 includes a support surface 22 that sucks and holds the adherend WK through suction means such as a suction pump and a vacuum ejector (not shown). The support surface 22 has a plurality of suction holes (not shown). doing. The table 11 is positioned below the first adhesive sheet AS1 that is in the process of being fed, and in the front of the table 11, a storage unit 20 in which a recess that can be stored in a state where the adherend WK is stacked is formed. Has been. As shown in FIG. 2, the linear motion motor LM2 and the accommodating means 20 are supported by a base 21, and are provided so as to be movable in the front-rear direction by a linear motion motor LM1 as a drive device. The support surface 22 of the table 11 is subjected to non-adhesion processing such as fluororesin coating and rough surface treatment so that the first adhesive sheet AS1 does not adhere.

  As shown in FIG. 5, the supply means 12 is disposed above the table 11 and the accommodating means 20, and can adsorb the adherend WK via an adsorption means such as a suction pump or a vacuum ejector (not shown). A suction block 24 having a surface 23 on the lower surface side and a linear motion motor LM3 as a drive device are provided, and the suction block 24 is provided to be movable in the vertical direction by the linear motion motor LM3.

  The first feeding means 13 includes a support roller 25 that supports the raw fabric RS1 wound in a roll shape, guide rollers 29 and 40, and a dancer roller 42 that is provided so as to be movable in the vertical direction by a driving device (not shown). , A driving roller 41 provided so as to be able to peel the release sheet RL1 from the original fabric RS1, a nip roller 43 provided so as to be movable in the vertical direction by a driving device (not shown), and the release sheet RL1 sandwiching the original fabric RS1 with the roller 41 And a take-up roller 32 that takes up the toner at a predetermined torque. In addition, between the guide rollers 29 and 40, the 1st connection means 30 as a connection means which connects original fabric RS1 is arrange | positioned. Further, the support roller 25, the roller 41, and the take-up roller 32 are rotatably provided by rotation motors MT1, MT2, and MT3 as drive devices, respectively. The dancer roller 42 is configured as a tension applying unit that applies a predetermined tension to the first adhesive sheet AS1.

  As shown in FIG. 4, the first connecting means 30 is disposed below the original fabric RS1, and is moved up and down by a cradle 35 having a groove 35A formed at the center of the upper surface and a linear motion motor LM5 as a drive device. It is possible to move up and down by a pressing member 36 that superimposes a subsequent raw material RS1 on the upper surface side of the preceding original material RS1 and presses the original material RS1 against the receiving base 35, and a linear motion motor LM6 as a drive device. The cutter 37 is provided so as to be capable of cutting the stacked original fabric R1.

  As shown in FIG. 3, the first pressing means 15 supports the pressing roller 50 disposed on the upper surface side of the first adhesive sheet AS <b> 1 and the bracket 51 so as to be movable in the left-right direction. A linear motion motor LM4 as a driving device and a peeling roller 52 that can be moved up and down by a driving device (not shown). The surface of the peeling roller 52 is subjected to the same non-adhesion treatment as described above.

  The second feeding means 17 includes a support roller 55 that supports the raw material RS2 wound in a roll shape, guide rollers 65 and 69, and a dancer roller 67 that is movable in the vertical direction by a driving device (not shown). , A roller 66 provided to be able to peel the release sheet RL2 from the original fabric RS2, a nip roller 68 provided so as to be vertically movable by a driving device (not shown), and sandwiching the original fabric RS2 with the roller 66, and a release sheet RL. A take-up roller 62 that winds at a predetermined torque is provided. In addition, between the guide rollers 65 and 69, the 2nd connection means 60 as a connection means which connects original fabric RS2 is arrange | positioned. The support roller 55 and the take-up roller 62 are rotatably provided by rotation motors MT5 and MT6 as drive devices, respectively. The dancer roller 67 is configured as a tension applying unit that applies a predetermined tension to the second adhesive sheet AS2.

  The second connecting means 60 has substantially the same configuration as the first connecting means 30 except that the second adhesive sheet AS2 is an object to be connected. Accordingly, the same reference numerals are used in FIG.

The second pressing means 19 is disposed downstream of the first pressing means 15 in the feed direction of the original fabric RS1, and is provided with a driving roller 70 rotatably provided via a rotation motor MT4 as a driving device, A nip roller 71 is included.
On the downstream side of the second pressing means 19 in the feeding direction, rotation as a driving device for winding the product GD with the first and second adhesive sheets AS1 and AS2 attached thereto with a predetermined torque with the adherend WK sandwiched therebetween. A take-up roller 26 that is rotatably provided by the motor MT7 is provided.

  Next, the sheet sticking method of this embodiment is demonstrated, referring also to FIG. 2 thru | or FIG.

In the initial setting, the original fabric RS1 is supported by the first support roller 25, the release sheet RL1 is released from the first adhesive sheet AS1, and the lead end of the release sheet RL1 is fixed to the take-up roller 32, while the first adhesive sheet The lead end of the AS 1 is fixed to the take-up roller 26.
Further, the original fabric RS2 is supported by the second support roller 55, the release sheet RL2 is peeled from the second adhesive sheet, and the lead end of the release sheet RL2 is fixed to the take-up roller 62, while the lead of the second adhesive sheet AS2 The end is joined to the first adhesive sheet AS1 by the nip roller 70 and the driving roller 71, and fixed to the winding roller 26 together with the first adhesive sheet AS1.

When an operation command to attach the first and second adhesive sheets AS1, AS2 to the adherend WK is given to a control means (not shown), as shown in FIG. 2 (B) from the state of FIG. The accommodating means 20 moves below the adsorption block 24 and the adsorption block 24 descends to adsorb the adherend WK facing the adsorption surface 23.
With the suction block 24 thus sucking the adherend WK, the suction block 24 rises and the table 11 moves below the suction block 24 (see FIG. 2C).

  Next, the suction block 24 is lowered to bring the adherend WK into contact with the support surface 22 of the table 11 (see FIG. 2D). After the adherend WK is adsorbed on the table 11, the adsorbing block 24 releases the adsorption and moves up, so that the adherend WK is transferred to the table 11. Thereafter, the table 11 moves below the first adhesive sheet AS1 (see FIGS. 2E and 3A). The first adhesive sheet AS1 is given a predetermined tension by raising and lowering the dancer roller 42 after the nip roller 43 is raised.

  When the table 11 moves directly below the first adhesive sheet AS1, as shown in FIG. 3B, the surface WK1 of the adherend WK rises to a position where it substantially contacts the adhesive layer AD1 of the first adhesive sheet AS1. Thereafter, the pressing roller 50 moves to the left side, and presses from the base sheet BS1 side to attach the first adhesive sheet AS1 to the surface WK1 of the adherend WK.

  Next, after releasing the adsorption of the table 11, as shown in FIG. 3C, the peeling roller 52 is raised and the adherend WK attached to the first adhesive sheet AS1 is lifted. Thereafter, as shown in FIG. 3D, the table 11 is lowered and the pressing roller 50 and the peeling roller 52 are moved to the initial positions.

  Next, the first adhesive sheet AS1 to which the adherend WK is affixed is fed out together with the second adhesive sheet AS2, and when passing between the drive roller 70 and the nip roller 71, the second adhesive sheet AS2 is removed from the release sheet RL3 side. Press and apply to the back surface WK2 of the adherend WK. The product GD to which the first and second adhesive sheets AS1 and AS2 are attached in a state where the adherend WK is sandwiched is sequentially wound around the winding roller 26. The second adhesive sheet AS2 is given a predetermined tension by raising and lowering the dancer roller 67 after the nip roller 68 is raised.

  Here, when the remaining amount of the original fabric RS1 decreases, as shown in FIG. 4A, the lead end side of the additional original fabric RS1 is overlapped on the upper surface of the rear end side of the preceding original fabric RS1. In this state, the holding member 36 is pressed against the cradle 35 side. Then, as shown in FIG. 4B, the cutter blade 37 is lowered to cut along the groove 35A. Next, the preceding original fabric RS1 is matched with the additional original fabric RS1 by removing the portion indicated by the halftone dots in FIG. 4B of the preceding original fabric RS1 and the additional original fabric RS1 (FIG. 4). 4 (C)). In this state, by connecting the connection tape TP between the butt end portions of the base sheet BS1 and the release sheet RL1, it is possible to splice the subsequent raw material RS1 to the preceding original material RS1. Then, by releasing the pressing of the pressing member 36, the subsequent feeding becomes possible. The connection of the original fabric RS2 is substantially the same as that of the original fabric RS1. Therefore, description of the original fabric RS2 will be omitted by adding the reference sign of the original fabric RS2 in FIG.

  Thereafter, by repeating the same operation as described above, the adherend WK can be attached at predetermined intervals along the extending direction of the first and second adhesive sheets AS1 and AS2.

  Therefore, according to such an embodiment, the adherend WK is supported in a state in which the adherend WK is maintained in a planar state, and the first adhesive sheet AS1 is pasted on the surface WK1 of the adherend WK. Since the second adhesive sheet AS2 is bonded to the back surface WK2 of the adherend WK2, the first and first surfaces on the front and back surfaces of the adherend WK are maintained in a state in which the planar state of the adherend WK is securely maintained. 2 Adhesive sheets AS1 and AS2 can be attached.

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.
In other words, the present invention has been illustrated and described mainly with respect to specific embodiments, but without departing from the scope of the technical idea and object of the present invention, the shape, position, or With respect to the arrangement and the like, those skilled in the art can make various changes as necessary.
Therefore, the description limited to the shape disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded one part or all part is included in this invention.

  For example, the second adhesive sheet AS2 may be affixed to the front surface WK1 of the adherend WK, while the first adhesive sheet AS1 may be affixed to the back surface WK2. Further, the adherend WK may be paper, a resin sheet, a wooden board, a semiconductor wafer, a glass plate, or the like.

  Further, the first pressing means 15 may receive a pressing force by the pressing roller 50 when the table 11 moves, and may apply a pressing force when both the table 11 and the pressing roller move. May be. Further, the pressing roller 50 is not limited to moving in the left-right direction, and may move in the front-rear direction to apply a pressing force. Further, instead of the pressing roller 50, a pressing plate that can be moved up and down, or a member that can be pressed by blowing gas may be employed.

  Further, the first and second adhesive sheets AS1 and AS2 according to the present invention are not limited in their layer structure, and are attached to the front and back surfaces of the adherend WK in a state of sandwiching the adherend WK. An adhesive sheet that can be used is sufficient. For example, the first adhesive sheet AS1 is a double-sided adhesive sheet similar to the second adhesive sheet AS2, the second adhesive sheet AS2 is a two-layer adhesive sheet similar to the first adhesive sheet AS1, or the second adhesive sheet AS2 May be a double-sided adhesive sheet consisting only of an adhesive layer without the base sheet BS2.

  Further, the tension applying means is not limited to the dancer rollers 42 and 67, and the roller 66 can also be rotated by a rotation motor as a driving device, and the output of the rotation motor MT2 and the rotation motor that rotates the roller 66 is controlled. The tension of the first adhesive sheet AS1 or the second adhesive sheet AS2 may be adjusted, or the tension may be applied by controlling the outputs of the rotation motors MT1 and MT5. Further, the tension can be detected using a tension detecting means such as a load cell.

  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, and 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 10 Sheet sticking apparatus 13 1st delivery means 14 Support means 15 1st press means 17 2nd delivery means 19 2nd press means 30 1st connection means (connection means)
42 Dancer roller (tensioning means)
50 Pressing roller (first pressing means)
60 Second connection means (connection means)
67 Dancer roller (tensioning means)
AS1 first adhesive sheet AS2 second adhesive sheet WK adherend WK1 front surface WK2 back surface

Claims (4)

In the sheet sticking device for sticking the first and second adhesive sheets in the form of belts to the respective surfaces of the adherend having the front surface and the back surface,
Support means for supporting the adherend in a state in which the planar state is maintained;
First feeding means for feeding the first adhesive sheet to a position facing the adherend;
First pressing means for pressing and sticking the first adhesive sheet to the surface of the adherend maintained in a planar state by the supporting means;
A second feeding means for feeding the second adhesive sheet to a position facing the adherend to which the first adhesive sheet is affixed;
A sheet sticking apparatus comprising: a second pressing unit that presses and sticks the second adhesive sheet to the back surface of the adherend.   2. The sheet sticking apparatus according to claim 1, wherein tension applying means for applying tension to the adhesive sheet is provided in at least one of the first and second feeding means.   The sheet sticking apparatus according to claim 1 or 2, wherein connection means for adding the first and second adhesive sheets is provided in at least one of the first and second feeding means. In each of the surfaces of the adherend having a front surface and a back surface, in the sheet pasting method for pasting the first and second adhesive sheets in the form of strips,
Extending the first adhesive sheet to a position facing the adherend supported by the support means while maintaining the planar state;
Attaching the first adhesive sheet to the surface of the adherend;
Extending the second adhesive sheet to a position facing the adherend adhered to the first adhesive sheet;
A sheet sticking apparatus comprising the step of sticking the second adhesive sheet to the back surface of the adherend.

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