JP2012071927A - Sheet attaching apparatus and attaching method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet attaching apparatus and attaching method for attaching an adhesive sheet to a body to be adhered by reliably discharging air between the adhesive sheet and the body to be adhered with recessed grooves formed in an adhesive layer.SOLUTION: The sheet attaching apparatus 1 includes: a delivery means 2 for delivering a roll film R in which the adhesive sheet S is temporarily adhered onto a strippable sheet RL via the adhesive layer AD; a stripping plate 4 for stripping the adhesive sheet S of the roll film R which is delivered from the strippable sheet RL; a suction chamber 51 which supports the stripped adhesive sheet S from the base material sheet BS side; a recessed groove forming means 6 for forming a first recessed groove M1 and a second recessed groove in the adhesive layer AD of the supported adhesive sheet S; and a linear motor 53 in which the adhesive sheet S with the first recessed groove M1 and the second recessed groove formed thereon is pressed against the body W to be adhered and is attached.

Description

  The present invention relates to a sheet sticking apparatus and sticking method for sticking an adhesive sheet having an adhesive layer on one surface of a base sheet to an adherend.

Conventionally, as an adhesive sheet to be attached to an adherend, one in which a concave groove is formed in an adhesive layer on a base sheet is known (see, for example, Patent Document 1). The adhesive sheet formed with the groove is not stuck in the so-called air pocket because air can be discharged through the groove even when air enters between the adhesive sheet and the adherend. Can be applied evenly to the body.
On the other hand, as an apparatus for sticking the adhesive sheet to the adherend, the label sections temporarily attached to the belt-like mount are fed out in order, and the label sections are temporarily sucked and supported, and then pressed and stuck to the adherend. A label sticking device is known (see, for example, Patent Document 2).
And when sticking the adhesive sheet of patent document 1 on a to-be-adhered body, it is possible to use the apparatus of patent document 2. FIG.

JP 7-126582 A JP-A-6-278729

  However, in the above-described sticking method, it is necessary to transfer the adhesive sheet to the label sticking device of Patent Document 2 after forming a concave groove in the adhesive sheet with the device of Patent Document 1, and the adhesive layer at the time of this transfer There is a possibility that the concave groove may be deformed due to a change with time. In particular, when the ambient temperature rises during transfer, the adhesive layer softens and flows due to heat, and the groove is lost or the adhesive sheet with the groove formed is wound and stored. There is also a possibility that the groove is lost due to this winding pressure. Thereby, even if the adhesive sheet in which the concave groove is formed is pasted on the adherend, there is a problem in that the air cannot be reliably discharged and the adhesive sheet cannot be pasted on the adherend.

  An object of the present invention is to provide a sheet sticking device and a sticking method capable of reliably discharging air between an adhesive sheet and an adherend by means of a concave groove formed in an adhesive layer and sticking the adhesive sheet to the adherend. Is to provide.

  In order to achieve the above object, the sheet sticking device of the present invention is a sheet sticking device for sticking an adhesive sheet having an adhesive layer on one surface of a base sheet to an adherend, wherein the adhesive sheet is Based on the feeding means for feeding out the original fabric temporarily attached onto the release sheet through the adhesive layer, the peeling means for peeling off the adhesive sheet from the fed release sheet, and the peeled adhesive sheet. A support means for supporting from the material sheet side, a groove forming means for forming a groove in the adhesive layer of the supported adhesive sheet, and pressing the adhesive sheet having the groove formed on the adherend The structure which is provided with the press means to perform is employ | adopted.

At this time, it is preferable that the sheet sticking device of the present invention includes a moving unit that reciprocates the concave groove forming unit along the surface direction of the adhesive sheet supported by the supporting unit.
In the sheet sticking device of the present invention, it is preferable that the concave groove forming means includes a plurality of transfer bodies capable of forming concave grooves having different shapes by being pressed against the adhesive layer.
Furthermore, in the sheet sticking device of the present invention, it is preferable that the sheet sticking device further includes a printing unit that performs predetermined printing on the base sheet before forming the concave groove.
Moreover, in the sheet sticking apparatus of this invention, it is preferable to provide the softening means which softens the said adhesive bond layer before forming the said ditch | groove in the said adhesive bond layer. Furthermore, in the sheet sticking device of the present invention, it is preferable that the sheet sticking device further includes a curing unit that cures the adhesive layer in which the concave groove is formed.

  The sheet manufacturing method of the present invention is a sheet sticking method in which an adhesive sheet having an adhesive layer on one surface of a base sheet is attached to an adherend, and the adhesive sheet is interposed via the adhesive layer. The original fabric temporarily attached onto the release sheet is fed out, the adhesive sheet is peeled off from the fed-out original release sheet, the peeled adhesive sheet is supported, and the adhesive layer of the supported adhesive sheet A configuration is adopted in which a concave groove is formed on the substrate and the adhesive sheet on which the concave groove is formed is pressed against the adherend.

  According to the present invention as described above, the process from the formation of the concave groove in the adhesive sheet to the process of applying the adhesive sheet to the adherend can be continuously performed. The air between the adhesive sheet and the adherend is surely discharged by the concave groove formed in the adhesive layer without causing the deformation of the concave groove due to the influence of the winding pressure or the like, and the adhesive sheet is attached to the adherend. Can be affixed.

In addition, by providing the concave groove forming means so as to be relatively movable with respect to the support means, for example, a conventional sheet sticking device including a feeding means, a peeling means, a support means, and a pressing means as in Patent Document 1 can be used.
Further, since a plurality of transfer bodies capable of forming different concave grooves are provided, various combinations of concave grooves can be formed.
Furthermore, it is possible to prevent printing from becoming unclear due to the influence of the concave groove by providing printing means for performing predetermined printing before forming the concave groove.
Moreover, before forming a ditch | groove in an adhesive bond layer, a ditch | groove can be reliably formed by providing the softening means which softens an adhesive bond layer.
Furthermore, if the hardening means which hardens the adhesive bond layer in which the ditch | groove was formed is provided, a deformation | transformation of the ditch | groove formed can be prevented.

The side view of the sheet sticking apparatus which concerns on embodiment of this invention. The principal part top view of FIG. (A), (B), (C) is operation | movement explanatory drawing of a sheet sticking apparatus. (D), (E), (F) is operation | movement explanatory drawing of a sheet sticking apparatus.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Further, in the embodiment, unless otherwise specified, terms indicating directions such as “up”, “down”, “left”, and “right” are used with reference to FIG.
In FIG. 1, the sheet sticking apparatus 1 includes first and second grooves M1, M2 (see FIGS. 1 and 4) in the adhesive layer AD of the adhesive sheet S having the adhesive layer AD on one surface of the base sheet BS. (Refer to (F)), and the adhesive sheet S is affixed to the adherend W. Specifically, the adhesive sheet S before the formation of the first and second concave grooves M1, M2 is cut in advance to a predetermined sheet length, and temporarily attached to the strip-shaped release sheet RL at predetermined intervals. It is prepared in advance as an original fabric R. And the sheet sticking apparatus 1 peels the adhesive sheet S from the release sheet RL of the original fabric R to form the first and second concave grooves M1, M2, and then sticks the adhesive sheet S to the adherend W. To do.

  The sheet sticking device 1 peels the feeding means 2 for feeding the original fabric R, the printing means 3 for printing on the surface of the base sheet BS of the adhesive sheet S for the fed original fabric R, and the adhesive sheet S for the original fabric R. A peeling plate 4 as a peeling means for peeling from the sheet RL, a pressure support means 5 for supporting the peeled adhesive sheet S from the base material sheet BS side and pressing and adhering it to the adherend W, and a pressure support means 5 The groove forming means 6 for forming the first and second groove M1, M2 in the adhesive layer AD of the adhesive sheet S supported by the adhesive sheet S, and the adhesive sheet S in which the groove forming means 6 is supported by the pressing support means 5. And a moving means 7 for reciprocating along the surface direction of the substrate, and via an unillustrated frame above the adherend conveying means 8 such as a belt conveyor for relatively moving the adherend W in the direction orthogonal to the paper surface in FIG. It is supported.

The feeding means 2 is driven by a support roller 21 that winds and supports the original fabric R, guide rollers 22 and 23 that guide the original fabric R drawn from the support roller 21, and a rotation motor 24 as a drive device. A driving roller 25, a pinch roller 26 that sandwiches the release sheet RL between the drive roller 25, and a collection roller 27 that recovers the release sheet RL by a driving device (not shown) are provided.
The printing means 3 is a concept including printing means and is not particularly limited. A thermal head printer, a laser printer, a dot impact printer, an ink jet printer, or the like can be used, and letterpress printing, intaglio printing, planographic printing, Screen printing or the like may be used.

  The release plate 4 is provided in a posture extending leftward, and the release sheet RL spanned from the guide roller 23 is folded back toward the drive roller 25 so that the adhesive sheet S is released from the release sheet RL. It has become.

  The pressure support means 5 is provided with a suction chamber 51 as a support means provided with a plurality of suction holes (not shown) on the lower surface and sucking and supporting the base sheet BS side of the adhesive sheet S, and the suction chamber 51 is attached. A pressing means for moving the output shaft 52 in the vertical direction, and a linear motion motor 53 as a drive device are provided.

As shown in FIG. 2, the groove forming means 6 includes a frame 61 extending in a direction orthogonal to the paper surface of FIG. 1, and a first driving device provided on the front side and the back side of the frame 61 in FIG. , Second linear motion motors 62, 63, first and second transfer members 66, 67 provided on output shafts 64, 65 of the first and second linear motion motors 62, 63, respectively, and a first transfer member 66. Softening means 68 such as a coil heater and an infrared irradiation device attached to the right end of the second transfer body 67, and a hardening means 69 such as a fan, a cold air blower, and a UV lamp attached to the right end of the second transfer body 67.
As shown in FIG. 2, the first and second transfer bodies 66 and 67 are each formed in a square plate shape having a size that protrudes from the adhesive sheet S. The first transfer member 66 includes a plurality of first protrusions 661 formed in a straight line that rises to the right in FIG. 2, and the second transfer member 67 includes a plurality of second protrusions that are formed in a straight line that rises to the left. A portion 671 is provided.

  The moving means 7 includes a single-axis robot 71 as a driving device and a linear motion motor 73 as a driving device fixed on the slider 72 of the single-axis robot 71, and the tip of the output shaft 74 of the linear motion motor 73. The groove 61 of the groove forming means 6 is provided on the upper side.

  In the sheet sticking apparatus 1 described above, as a procedure for sticking the adhesive sheet S to the adherend W, first, as shown in FIG. The sheet RL is folded back, and the release sheet RL is sandwiched between the drive roller 25 and the pinch roller 26 and set on the collection roller 27. At this time, the adhesive sheet S located on the downstream side in the feed-out direction of the first original fabric R1 than the printing unit 3 is removed. Further, the concave groove forming means 6 is located at the lower left of the suction chamber 51.

Then, when the adherend W is transported by the adherend transport means 8 in the direction orthogonal to the paper surface in FIG. 1, it is not shown that the upper surface of the adherend W is located at a predetermined position below the suction chamber 51. Detected by the landing body detection sensor, the conveyance of the adherend W is stopped.
Next, the driving roller 25 is driven to rotate by driving the rotation motor 24, and the original fabric R is fed out from the support roller 21. The printed sheet 3 is subjected to predetermined printing on the unrolled adhesive sheet S of the original fabric R. With respect to this printing, in each of the printing means exemplified in the printing means 3, if the distance to the surface of the adhesive sheet S that is the printing object is not accurately maintained, the contents of printing or printing may be rubbed or blurred. Therefore, accurate and clean printing cannot be performed. That is, since the surface of the adhesive sheet S on which the first and second concave grooves M1 and M2 are formed has an uneven shape due to these grooves, the distance between the printing means 3 and the surface of the adhesive sheet S is irregular. Therefore, accurate and clean printing cannot be performed. In that respect, since the sheet sticking apparatus 1 of the present invention is configured to perform printing before forming the first and second concave grooves M1 and M2, accurate and clean printing can be performed.
The printed adhesive sheet S is peeled off from the release sheet RL when the release sheet RL is folded back by the release plate 4 and is adsorbed and supported by the suction chamber 51.

  When the adhesive sheet S is supported in the suction chamber 51, the softening means 68 is operated and then the groove forming means 6 is moved rightward by driving the linear motion motor 73 as shown in FIG. By moving, the softening means 68 moves below the adhesive sheet supported by the suction chamber 51, and softens the adhesive layer AD. Then, when the first transfer body 66 is positioned directly below the adhesive sheet S, the drive of the linear motion motor 73 is stopped. Next, as shown in FIG. 3B, by driving the first linear motion motor 62, the first transfer body 66 is pressed against the adhesive layer AD, and the adhesive layer AD corresponds to the first convex portion 661. A first groove M1 is formed. Thereafter, as shown in FIG. 3C, the first transfer body 66 is separated from the adhesive sheet S by driving the first linear motion motor 62.

  Next, as shown in FIG. 4D, the second transfer body 67 is moved directly below the adhesive sheet S by driving the single-axis robot 71. Next, as shown in FIG. 4E, by driving the second linear motor 63, the second transfer body 67 is pressed against the adhesive layer AD in which the first concave groove M1 is formed, and the second convex portion 671. A second concave groove M2 corresponding to is formed. Then, after the second transfer body 67 is separated from the adhesive sheet S by driving the second linear motion motor 63, the curing means 69 is operated as shown in FIG. 73 is driven to move the groove forming means 6 in the left direction so that the curing means 69 moves below the adhesive sheet. As a result, the adhesive layer AD in which the first and second concave grooves M1 and M2 are formed is cured by the curing means 69, and the formed first and second concave grooves M1 and M2 are not easily deformed. . In addition, the 1st, 2nd ditch | groove M1, M2 continues to either one edge of the adhesive sheet S, respectively, and is open at the edge.

  Thereafter, when the suction chamber 51 is moved downward by driving the linear motor 53, the adhesive sheet S is pressed against the upper surface of the adherend W stopped at a predetermined position below the suction chamber 51, and suction is performed. Is stopped and the suction chamber 51 is moved upward, so that the adhesive sheet S is attached to the adherend W.

  According to the above embodiment, since the process from forming the first and second concave grooves M1, M2 to the adhesive sheet S to the process of applying the adhesive sheet S to the adherend W are continuously performed, Without causing deformation of the first and second concave grooves M1 and M2 due to the temporal change of the agent layer AD, the influence of ambient temperature, winding pressure, etc., the first and second concave grooves M1 and M2 reliably The air between S and the adherend W can be discharged, and the adhesive sheet S can be attached to the adherend W.

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

In the said embodiment, although what was cut beforehand as the adhesive sheet S was illustrated, the strip | belt-shaped thing which is not cut may be used, and what is necessary is just to be cut by the predetermined | prescribed shape in the front | former stage of the peeling board 10. FIG.
Further, the first and second transfer bodies 66 and 67 are exemplified as the concave groove forming means 6, but the concave grooves may be formed using a laser.
Furthermore, although the first and second transfer members 66 and 67 are both mounted on the frame 61 and moved integrally by driving the linear motion motor 73, they may be moved separately.
In the above embodiment, the groove forming means 6 is moved with respect to the adhesive sheet S supported by the pressing support means 5 by the moving means 7, but the pressing support means 5 is moved with respect to the groove forming means 6. Or both of them may be moved.
Furthermore, at least one of the softening means and the hardening means may not be provided. Furthermore, the printing unit 3 may not be provided.
Further, a softening means for softening the adhesive layer AD of the held adhesive sheet S may be disposed in the suction chamber 51. In this case, when pressing the adhesive sheet S against the adherend W, the suction chamber 51 softens the adhesive layer AD while discharging air between the adherend W and the adhesive sheet S from the groove. The adhesive sheet S can be affixed to the adherend W by eliminating the concave grooves.
Furthermore, the drive device in the embodiment includes an electric device such as a rotation motor, a linear motion motor, a linear motor, a single-axis robot, 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 1 ... Sheet sticking apparatus 2 ... Feeding means 3 ... Printing means 4 ... Release plate (peeling means)
6 ... concave groove forming means 7 ... moving means 51 ... suction chamber (supporting means)
53 ... Linear motion motor (pressing means)
66, 67 ... transfer body 68 ... softening means 69 ... curing means AD ... adhesive layer BS ... base sheet M1 ... first groove (concave groove)
M2 ... Second groove (concave groove)
R ... Original fabric RL ... Release sheet S ... Adhesive sheet W ... Substrate

Claims (7)

A sheet sticking device for sticking an adhesive sheet having an adhesive layer on one surface of a base sheet to an adherend,
A feeding means for feeding out the original fabric temporarily attached onto the release sheet via the adhesive layer by the adhesive sheet;
Peeling means for peeling the adhesive sheet from the rolled-out original peel sheet,
Support means for supporting the peeled adhesive sheet from the base sheet side;
A groove forming means for forming a groove in the adhesive layer of the supported adhesive sheet;
A sheet sticking apparatus comprising: a pressing unit that presses and adheres the adhesive sheet having the concave grooves to an adherend.   The sheet sticking apparatus according to claim 1, further comprising a moving unit that reciprocates the concave groove forming unit along the surface direction of the adhesive sheet supported by the supporting unit.   The sheet pasting device according to claim 1 or 2, wherein the concave groove forming means includes a plurality of transfer bodies capable of forming concave grooves having different shapes by being pressed against the adhesive layer. .   The sheet sticking apparatus according to any one of claims 1 to 3, further comprising printing means for performing predetermined printing on the base sheet before forming the concave groove.   The sheet sticking device according to any one of claims 1 to 4, further comprising a softening unit that softens the adhesive layer before forming the concave groove in the adhesive layer.   The sheet sticking device according to any one of claims 1 to 5, further comprising a curing unit that cures the adhesive layer in which the concave groove is formed. A sheet attaching method for attaching an adhesive sheet having an adhesive layer on one surface of a base sheet to an adherend,
The adhesive sheet is unwound from the original fabric temporarily attached onto the release sheet via the adhesive layer,
Peel off the adhesive sheet from the unrolled original peel sheet,
Support the peeled adhesive sheet,
Forming a groove in the adhesive layer of the supported adhesive sheet;
A sheet sticking method comprising pressing an adhesive sheet on which the concave grooves are formed against an adherend.

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