JP6027396B2 - Sheet sticking device and sheet sticking method - Google Patents

Description

  The present invention relates to a sheet sticking apparatus and a sheet sticking method for sticking an adhesive sheet to an adherend.

2. Description of the Related Art Conventionally, there has been known a sheet sticking apparatus that temporarily holds an adhesive sheet peeled from a release sheet and presses and holds the held adhesive sheet on an adherend (see, for example, Patent Document 1).
The sheet sticking device described in Patent Document 1 is provided in the vicinity of a peeling portion that peels off the label while spraying air on a label (adhesive sheet) temporarily attached to a strip mount (release sheet), and in the vicinity of the label peeling portion. An adhering body and a pressing roller that presses the label against the adherend are provided. The peeled label is fed along the adsorbing surface while being adsorbed by the adsorbing body, and the adhesive sheet is pressed by the pressing roller to adhere to the adherend. It is to be affixed to.

JP 2006-143234 A

  However, in the conventional sheet sticking apparatus as described in Patent Document 1, there is a gap for preventing mutual contact between the peeling portion and the adsorbent, so that the label does not fall across the adsorbent. However, there is an inconvenience that the label cannot be attached to the adherend. Moreover, there is also a disadvantage that the label is wound up with the release sheet without being peeled off at the peeling portion.

  An object of the present invention is to provide a sheet sticking apparatus and a sheet sticking method that can prevent a label from being stuck on an adherend by reliably delivering the peeled adhesive sheet to a pressing means. .

The sheet sticking apparatus of the present invention includes a feeding means for feeding out a raw material temporarily attached to a strip-shaped release sheet, a peeling means for bending the release sheet and peeling the adhesive sheet from the release sheet, and the adhesive A holding means for holding the sheet; pressing means for pressing and adhering the adhesive sheet held by the holding member to the adherend; and holding the adhesive sheet peeled by the peeling means to be received by the holding member Passing and delivering means, the peeling means has a retreating part that is retreated to the upstream side in the feed direction of the original fabric, and is provided so that a part of the adhesive sheet can be peeled from the release sheet at the retreating part, The delivery means includes a moving member that is movably provided in the retreating portion, and holds the adhesive sheet by the moving member and delivers it to the holding member .

  In the sheet sticking device of the present invention, at least one of the pressing means and the delivery means is provided with a gas blowing hole capable of blowing gas toward the adhesive sheet held by the holding member, and the gas blowing hole It is preferable that a pressure assisting means for assisting the pressing of the adhesive sheet by blowing out gas is provided.

On the other hand, the sheet sticking method of the present invention includes a step of feeding an original fabric temporarily attached to a strip-shaped release sheet, and an inside of a receding portion in which the released release sheet of the original fabric is retracted upstream in the feed direction of the original fabric. Folding the adhesive sheet partly from the release sheet, peeling the part of the adhesive sheet partly in the retracted portion with a moving member , and completely releasing the adhesive sheet from the release sheet. while peeling, wherein the step of the moving member is moved to the holding member side, the said mobile member holding the adhesive sheet passes the holding member step, depositing the passed adhesive sheet by the holding member And a step of pressing and sticking to the body.

  According to the present invention as described above, the adhesive sheet is partially peeled from the release sheet, the partially peeled adhesive sheet is held by the moving member, the moving member is moved, and the adhesive sheet is received by the pressing means. Since it passes, it can be prevented that the adhesive sheet falls without passing over the pressing means, and it is prevented from being taken up with the peeling sheet without being peeled off by the peeling means, and the peeled adhesive sheet is reliably delivered to the pressing means. It is possible to prevent the adhesive sheet from being stuck to the adherend.

  Further, if a pressing assist means is provided, gas can be blown onto the adhesive sheet, so that the adhesive sheet can be reliably pressed and attached to the adherend.

The side view which shows the sheet sticking apparatus which concerns on one Embodiment of this invention. The top view which shows the holding | maintenance part vicinity in the sheet sticking apparatus of FIG. (A), (B) is operation | movement explanatory drawing of the sheet sticking apparatus of FIG. The side view which shows the modification of a sheet sticking apparatus.

Hereinafter, a sheet sticking device according to an embodiment of the present invention will be described with reference to the drawings.
Note that the X axis, the Y axis, and the Z axis in this specification are orthogonal to each other, the X axis and the Y axis are axes in a horizontal plane, and the Z axis is an axis that is orthogonal to the horizontal plane. Furthermore, in the present embodiment, when viewed from the near side of FIG. 1 parallel to the Y axis, when indicating the direction, “up” is the arrow direction of the Z axis, “down” is the opposite direction, “ “Left” is the X-axis arrow direction, “Right” is the opposite direction, “Front” is the front direction orthogonal to the Y-axis paper surface, and “Back” is the opposite direction.

  In FIG. 1, the sheet sticking apparatus 1 is an original fabric RS in which an adhesive sheet AS having an adhesive layer AD on one surface of a base sheet BS is temporarily attached to a strip-shaped release sheet RL via a pseudo adhesive layer AP. A holding means 31 for holding the adhesive sheet AS, and a holding means 31 for holding the adhesive sheet AS, and a holding means 31 for holding the adhesive sheet AS. A pressing means 30 that presses and adheres the sheet AS to the adherend WK, and a delivery means 40 that holds the adhesive sheet AS peeled off by the peeling means 20 and delivers the adhesive sheet AS to the pressing means 30. It is disposed below a conveying means CV such as a conveyer belt conveyor or roller conveyor. The pseudo adhesive layer AP includes a first pseudo adhesive layer AP1 provided on the base sheet BS side and a second pseudo adhesive layer AP2 provided on the release sheet RL side.

  The feeding means 10 includes a support roller 11 that winds and supports the original fabric RS, a guide roller 12 that guides the original fabric RS, a drive roller 14 that is driven by a rotation motor 13 as a drive device, and a drive roller 14. A pinch roller 15 that sandwiches the release sheet RL therebetween, and a collection roller 16 that is driven by a rotation motor 17 as a driving device and collects the release sheet RL.

  As shown in FIG. 2, the peeling means 20 includes a peeling plate 21 having a bent edge 22 at the left edge. The bending end edge 22 has a main bending end edge 22A provided along a bending line LN extending in the front-rear direction, and both ends thereof are continuous with the main bending end edge 22A, respectively, and is fed out from the bending line LN. And a receding portion 23 that recedes upstream (rightward).

  The pressing unit 30 includes a linear motion motor 32 as a driving device, a holding member 31 supported by the output shaft 33 of the linear motion motor 32, and a pressing assisting unit 34 that assists the pressing of the adhesive sheet AS by the holding member 31. The adhesive sheet AS can be attached to the lower surface of the adherend WK from between a pair of transport means CV for transporting the adherend WK. The upper surface of the holding member 31 is a holding surface 31B that holds the adhesive sheet AS. The holding surface 31B is formed with a recess 31A that is formed one step down on the peeling means 20 side and that can receive the moving member 42. Yes. A gas blowing hole 34A communicating with the pressurizing means 34B such as a pressurizing pump or a turbine is formed on the bottom surface of the recess 31A, and the pressure assisting means 34 is configured by the gas blowing hole 34A and the pressurizing means 34B. Further, the holding surface 31B is formed with a suction hole 35A communicating with the suction means 35 such as a decompression pump or a vacuum ejector.

  The delivery means 40 is supported by a linear motion motor 44 as a driving device, a linear motion motor 41 as a driving device supported by an output shaft 44A of the linear motion motor 44, and a slider 41A of the linear motion motor 41. 23 and a moving member 42 provided in a movable manner. The moving member 42 is formed in an L shape in side view having a protruding portion 42A protruding at the downstream side (left direction) in the feeding direction of the original fabric RS, and has a width dimension in the front-rear direction in the plan view as the receding portion 23. It is formed narrower than the width dimension in the front-rear direction. A plurality of intake holes 43A communicating with suction means 43 such as a decompression pump and a vacuum ejector are provided on the upper surface of the projecting portion 42A side by side in the front-rear direction.

In the sheet sticking apparatus 1 described above, a procedure for sticking the adhesive sheet AS to the adherend WK will be described.
First, the raw fabric RS is set as shown in FIG. 1, and the right end portion of the moving member 42 is positioned in the retracted portion 23 (see FIG. 2) of the peeling plate 21 in plan view, and the upper surface of the protruding portion 42A is bonded. The moving member 42 is put on standby in a state positioned below the sheet AS.
Next, when the adherend WK transported by the transport means CV is detected by a detection means such as an imaging means or a sensor (not shown), the adherend WK stops at a predetermined position above the holding member 31. Next, the feeding means 10 drives the rotation motor 13 to feed out the original fabric RS by a predetermined amount, applies tension to the release sheet RL, and bends the release sheet RL along the retracted portion 23. As a result, as shown in FIG. 2, both the front and rear end portions of the adhesive sheet AS are temporarily attached to the release sheet RL, while the central portion of the adhesive sheet AS located at the retracted portion 23 is peeled from the release sheet RL. It becomes a state. Then, after the delivery means 40 drives the linear motion motor 44 and raises the moving member 42 to bring the protrusion 42A into contact with the first pseudo adhesive layer AP1, the suction means 43 is driven, and the protrusion 42A The central portion of the adhesive sheet AS is sucked and held.

Next, at the same time as the feeding means 10 drives the rotation motor 13 again, the delivery means 40 drives the linear motion motor 41 to move the moving member 42 at the same speed as the feeding speed of the adhesive sheet AS. Thereby, after the adhesive sheet AS is peeled from the release sheet RL while being supported on the protruding portion 42A, the protruding portion 42A is positioned in the concave portion 31A of the holding member 31 so that the adhesive sheet AS is placed on the holding surface 31B. Will be located. Next, the delivery means 40 drives the linear motion motor 44, and as shown in FIG. 3 (A), the moving member 42 is lowered to bring the both ends of the adhesive sheet AS into contact with the holding surface 31B, and the pressing means 30. Drives the suction means 35 and sucks and holds both end portions of the adhesive sheet AS by the holding surface 31B. And after the delivery means 40 stops the suction means 43, the linear motion motor 41 is driven, and the right end part of the moving member 42 is located in the retreating part 23 of the peeling plate 21, as shown in FIG. The moving member 42 is moved as described above. Thereafter, the pressing means 30 drives the linear motion motor 32, presses and adheres the adhesive sheet AS to the lower surface of the adherend WK, and the pressing assisting means 34 drives the pressurizing means 34B, and the gas blowing holes 34A. Blow out a gas such as air. Thereby, a pressing force can be applied to the entire adhesive sheet AS, and the adhesive sheet AS can be reliably adhered to the adherend WK.
When the adhesive sheet AS is attached to the adherend WK as described above, the pressing unit 30 drives the linear motion motor 32 to lower the holding member 31 to the position shown in FIG. Thereafter, the conveying means CV is driven to convey the adherend WK to which the adhesive sheet AS is adhered to another process, and thereafter the same operation as described above is repeated.

According to this embodiment as described above, the following effects are obtained.
That is, the adhesive sheet AS is partially peeled from the release sheet RL, the partially peeled adhesive sheet AS is held by the moving member 42, and the moving member 42 is moved to deliver the adhesive sheet AS to the pressing means 30. Therefore, it is possible to prevent the adhesive sheet AS from falling without passing over the pressing means 30 and being taken up together with the peeling sheet RL without being peeled off by the peeling means 20, and the peeled adhesive sheet AS can be reliably transferred to the pressing means 30. It is possible to prevent the adhesive sheet AS from being stuck to the adherend WK.

  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 limited to the shape, material, etc. 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 the limitation of one part or all of such is included in this invention.

  For example, in the peeling means 20, the bent end edge 22 only needs to have the retracted portion 23 at least partially, and the bent end edge 22 may be provided with a plurality of retracted portions 23. Further, any shape such as a C-shape or a U-shape in a plan view may be adopted as long as it is a shape retreated to the upstream side in the feed direction of the original fabric RS. Furthermore, the peeling means 20 may use a rod-shaped bending member that forms a retreating portion by a bending portion, or may use a peeling roller that has an unevenness on the outer peripheral surface and forms the retreating portion by the unevenness.

  Further, the pressing means 30 stops the holding member 31 at a position spaced apart from the adherend WK by a predetermined distance, and blows out a gas such as air or gas from the gas blowing holes 34A or the suction holes 35A of the holding member 31 to blow the gas. You may employ | adopt the structure which presses the adhesive sheet AS by attaching.

Further, the holding member 31 receives the moving member 42 from the linear motion motor 41 and presses and adheres the adhesive sheet AS to the adherend WK in a state where the holding member 31 and the moving member 42 hold the adhesive sheet AS. It is good. At this time, the projecting portion 42A may be provided with a through hole communicating with the gas blowing hole 34A, and the adhesive sheet AS may be attached to the adherend WK by blowing gas to the adhesive sheet AS through the through hole. A configuration may be adopted in which gas is blown from the suction holes 43A to the adhesive sheet AS by a pressurizing unit (not shown) to attach the adhesive sheet AS to the adherend WK.
In addition, as shown in FIG. 4, the delivery unit 40 holds the adhesive sheet AS after the moving member 421 comes into contact with the adhesive layer AD of the adhesive sheet AS in the retracted portion 23 by driving the linear motion motor 411. The configuration may be such that the adhesive sheet AS is transferred to the holding member 311 by moving below the holding member 311.
Further, instead of the suction means 35, 43, a pressure-sensitive adhesive layer having a lower adhesiveness than the adhesive layer AD of the adhesive sheet AS may be provided on the upper surface of the holding surface 31B or the protruding portion 42A to bond and hold the adhesive sheet AS. An electrostatic chuck may be provided on the upper surface of the holding surface 31B or the protruding portion 42A.

  Alternatively, the entire sheet sticking apparatus 1 may be arranged upside down and the adhesive sheet AS may be stuck on the upper surface of the adherend WK conveyed by the conveying means CV.

Furthermore, the type and material of the adhesive sheet AS are not particularly limited. For example, the adhesive sheet AS may have an intermediate layer provided between the base sheet BS and the adhesive layer AD, or may have another layer. When the adherend WK is an appropriate article (for example, a cardboard case or a resin container), the adhesive sheet AS may be a label for decoration or quality display. Moreover, when the adherend WK is a semiconductor wafer, a silicon semiconductor wafer, a compound semiconductor wafer, and the like can be exemplified, and the adhesive sheet AS to be attached to such a semiconductor wafer is not limited to a protective sheet, a dicing tape, and a die attach film. Other arbitrary sheets, films, tapes and the like, sheets of arbitrary uses and shapes can be applied. Further, the adherend WK may be an optical disk substrate, and the adhesive sheet AS may have a resin layer constituting a recording layer. As described above, as the adherend WK, not only a glass plate, a steel plate, a resin plate, a substrate, and other members, but also other forms of members and articles can be targeted. The adhesive sheet AS may be temporarily attached to the release sheet RL via an adhesive layer.
Further, the adhesive sheet AS may have a left-right width dimension that is larger than the dimension from the left end of the bent end edge 22 to the right end of the receding portion 23, and protrudes to the left from the bent end edge 22. It may have a lateral width.

  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, an articulated robot, an actuator such as an air cylinder, a hydraulic cylinder, a rodless cylinder, and a rotary cylinder. In addition to the above, it is possible to adopt a combination of them directly or indirectly (some of them overlap with those exemplified in the embodiment).

DESCRIPTION OF SYMBOLS 1 Sheet sticking apparatus 10 Feeding means 20 Separating means 23 Retreating part 30 Pressing means 31 Holding member 31A Concave part 34 Pressing auxiliary means 34A Gas blowing hole 40 Delivery means 42 Moving member AS Adhesive sheet RL Release sheet RS Original fabric WK Substrate

Claims (2)

A feeding means for feeding out the raw material temporarily attached to the strip-shaped release sheet by the adhesive sheet;
A peeling means for bending the release sheet and peeling the adhesive sheet from the release sheet;
A holding means for holding the adhesive sheet, and a pressing means for pressing and adhering the adhesive sheet held by the holding member to the adherend;
Holding and transferring the adhesive sheet peeled off by the peeling means to the holding member;
The peeling means has a receding portion that has receded to the upstream side in the feeding direction of the original fabric, and is provided so that a part of the adhesive sheet can be peeled from the peeling sheet at the receding portion
The delivery means includes a moving member provided movably in the retracted portion ,
The sheet sticking apparatus , wherein the adhesive sheet is held by the moving member and delivered to the holding member . A step of feeding the original fabric temporarily attached to the strip-shaped release sheet,
Bending the unrolled original release sheet into a retracted portion that has been retracted upstream in the unwinding direction of the original, and peeling a part of the adhesive sheet from the release sheet;
A step of holding a part of the peeled adhesive sheet with a moving member in the retracted portion;
While completely peeling the adhesive sheet from the release sheet, moving the moving member to the holding member side,
Holding the adhesive sheet with the moving member and delivering it to the holding member ;
And a step of pressing and attaching the delivered adhesive sheet to the adherend with the holding member .

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