JP7133432B2 - Sheet sticking device and sheet sticking method - Google Patents

Description

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

2. Description of the Related Art Conventionally, there is known a sheet sticking device that sticks an adhesive sheet to a frame member and an adherend (see, for example, Patent Document 1).

JP 2017-204615 A

However, in the conventional tape sticking device 2 (sheet sticking device) as described in Patent Document 1, when the circular tape 3a (adhesive sheet) is not stuck on the appropriate position of the frame 13 (frame member) , the adhesive sheet must be peeled off from the workpiece 11 (adherend) or the adherend must be discarded. Inconvenience occurs that the body is wasted.

SUMMARY OF THE INVENTION An object of the present invention is to provide a sheet sticking apparatus and a sheet sticking method capable of suppressing damage and waste of an adherend.

The present invention employs the configurations described in the claims.

According to the present invention, a failure in attachment is detected before the adhesive sheet is attached to the adherend, and the adhesive sheet and the adherend are moved relative to each other so that the adhesive sheet is not attached to the adherend. It is not necessary to separate the sheet from the adherend or discard the adherend, and damage and waste of the adherend can be suppressed.

(A) and (B) are explanatory diagrams of a sheet sticking device according to an embodiment of the present invention. FIG. 4 is an explanatory diagram of a sheet sticking device according to a modification of the present invention;

An embodiment of the present invention will be described below with reference to the drawings.
Note that the X-axis, Y-axis, and Z-axis in this embodiment are orthogonal to each other, and the X-axis and Y-axis are axes within a predetermined plane, and the Z-axis is an axis orthogonal to the predetermined plane. do. Furthermore, in the present embodiment, when viewed from the front side of FIG. In terms of direction, "left" is the arrow direction of the X axis, "right" is the opposite direction, and "front" is the front direction in FIG. 1A parallel to the Y axis, and "back" is the opposite direction.

The sheet sticking apparatus EA supplies a ring frame RF as a frame member having an opening RF1, a support means 10 for supporting an adherend WK, and an adhesive sheet AS, and after sticking the adhesive sheet AS to the ring frame RF affixing means 20 for affixing the adhesive sheet AS to the adherend WK arranged in the opening RF1 of the ring frame RF; On the other hand, a detection means 30 for detecting that the adhesive sheet AS is not adhered to a predetermined position as an adhesion failure, and when the adhesion failure is detected by the detection means 30, the adhesive sheet AS is prevented from being adhered to the adherend WK. is provided with a sticking suppressing means 40 for relatively moving the adhesive sheet AS and the adherend WK.

The support means 10 is supported by a slider 11A of a linear motor 11 as a drive device, and has an outer table 12 having a support surface 12A that can be held by suction by a decompression means (not shown) such as a decompression pump or a vacuum ejector. An inner table 13 having a support surface 13A which is supported in the formed concave portion 12B via a sticking suppressing means 40 and can be held by suction by a decompression means (not shown) such as a decompression pump or a vacuum ejector is provided.

The sticking means 20 includes a support roller 21 for supporting the original sheet RS to which the adhesive sheet AS is temporarily adhered on one surface of the strip-shaped release sheet RL with a predetermined interval, and a guide roller 22 for guiding the original sheet RS. , a peeling plate 23 as peeling means for folding back the peeling sheet RL at the peeling edge 23A and peeling the adhesive sheet AS from the peeling sheet RL; Between a driving roller 25 driven by a pressing roller 24 as a means and a rotation motor 25A as a driving device and sandwiching the release sheet RL with a pinch roller 25B, and a pinch roller 25B driven by a driving device (not shown) It comprises a collection roller 26 that always applies a predetermined tension to the existing release sheet RL and collects it, and a frame 27 that directly or indirectly supports the above-described members constituting the sticking means 20 .

The detection means 30 includes a light emitting means 31 that emits electromagnetic waves such as ultraviolet rays, visible rays, infrared rays, gamma rays, and X-rays as light LE; A light-receiving means 33 for receiving the emitted light LE is provided at a position where it can be detected that the adhesive sheet AS is adhered to a predetermined position of the ring frame RF during the pasting operation of the pasting means 20. The emitted light LE is reflected by the reflecting means 32, and the reflected light LE is received by the light receiving means 33, thereby judging the sticking failure.
The light emitting means 31 and the light receiving means 33 are integrated to constitute a photoelectric sensor 34 .
The reflecting means 32 has a reflecting surface 32A positioned between the left end of the opening RF1 of the ring frame RF and the left end of the recess 12B on the support surface 12A.

The sticking suppressing means 40 is supported in the recessed portion 12B of the outer table 12 and includes a direct-acting motor 41 as a driving device that supports the inner table 13 with an output shaft 41A.

In the sheet sticking apparatus EA described above, a procedure for sticking the adhesive sheet AS to the ring frame RF and the adherend WK to form an integral object will be described.
First, the user of the sheet sticking device EA (hereinafter simply referred to as the "user") operates the sheet sticking device EA in the state indicated by the solid line in FIG. A signal for automatic operation is input via an operation means (not shown) such as a panel or a personal computer. Then, the pasting means 20 drives the rotation motor 25A to feed the original sheet RS, and as shown by the solid line in FIG. When the predetermined amount of peeling is performed at , the rotation motor 25A is stopped.

Next, a user or a conveying means (not shown) such as an articulated robot or a belt conveyor places the adherend WK at a predetermined position on the inner table 13, and the ring frame RF is placed at a predetermined position on the outer table 12. is placed, the support means 10 drives the depressurizing means (not shown) to start holding the adherend WK and the ring frame RF on the support surfaces 13A and 12A by suction. Then, the supporting means 10 drives the linear motor 11 to move the outer table 12 to the left, and when the outer table 12 reaches a predetermined position, the pasting means 20 drives the rotation motor 25A, causing the outer table 12 to rotate. The raw fabric RS is delivered according to the moving speed of . As a result, the adhesive sheet AS is separated from the release sheet RL by the release plate 23, and is pressed against the adherend WK and the ring frame RF by the pressure roller 24, whereby the adherend WK is attached via the adhesive sheet AS. An integrated body WK1 integrated with the ring frame RF is formed. Then, when the next adhesive sheet AS is peeled off by a predetermined amount at the peeling edge 23A of the peeling plate 23, the sticking means 20 stops driving the rotary motor 25A.

After that, when the outer table 12 reaches a predetermined position on the left side of the pressing roller 24, the support means 10 stops driving the linear motor 11, and then stops driving the decompression means (not shown). The suction holding of the adherend WK and the ring frame RF is released. Next, when the user or unillustrated conveying means conveys the integrated work WK1 to the next process, the supporting means 10 drives the linear motor 11 to return the outer table 12 to the initial position, and thereafter the same operation as described above is repeated. .

Here, during the pasting operation described above, the detecting means 30 drives the light emitting means 31 and the light receiving means 33, the light emitting means 31 emits light LE, and the light receiving means 33 receives the light LE reflected by the reflecting means 32. Thus, a pass/fail determination is made as to whether or not the adhesive sheet AS has been attached to a predetermined position on the ring frame RF. In this embodiment, the detection means 30 stores the amount of light LE reflected by the reflecting surface 32A, and the amount of light LE received by the light receiving means 33 after being reflected by the ring frame RF, the adhesive sheet AS, etc. Pass/fail judgment is made based on the difference between That is, when the leading edge AS1 in the delivery direction of the adhesive sheet AS is attached to the ring frame RF, the light receiving means 33 simply receives the light LE reflected by the ring frame RF and the adhesive sheet AS, and the light LE is reflected by the reflecting surface 32A. It does not receive the reflected light LE. Then, before the adhesive sheet AS is attached to the adherend WK, the detection means 30 determines that the application has passed, and the application means 20 and the support means 10 continue the application operation.

On the other hand, as shown in FIG. 1(B), if the feed-out direction leading end AS1 of the adhesive sheet AS is not attached onto the ring frame RF, the light receiving means 33 cannot receive the light LE reflected by the reflecting surface 32A. becomes. Then, the detection means 30 determines that the adhesion is not acceptable, and the adhesion suppressing means 40 drives the direct-acting motor 41 as indicated by the two-dot chain line in FIG. The inner table 13 is lowered so as not to be stuck to. After that, the outer table 12 continues to move to the left, and the entire adhesive sheet AS is attached to the ring frame RF, and the leading end of the next adhesive sheet AS in the delivery direction is aligned with the peeling edge 23A of the peeling plate 23. When the predetermined amount is peeled off, the sticking means 20 stops driving the rotary motor 25A. After that, when the outer table 12 reaches a predetermined position on the left side of the pressing roller 24, the support means 10 stops driving the linear motor 11 and then stops driving the decompression means (not shown), and the ring frame on the support surface 12A is stopped. Release the suction holding of RF. Next, when the user or the conveying means (not shown) removes the ring frame RF from the outer table 12, the supporting means 10 drives the linear motor 11, and the sticking suppressing means 40 drives the direct-acting motor 41 so that the outer table 12 and inner table 13 are returned to their initial positions. Then, when the user or the conveying means (not shown) places the ring frame RF at a predetermined position on the outer table 12, the supporting means 10 drives the depressurizing means (not shown) to attract and hold the ring frame RF on the supporting surface 12A. is started, the same operation as described above is repeated thereafter.

According to the embodiment as described above, a failure in adhesion is detected before the adhesive sheet AS is adhered to the adherend WK, and the adhesive sheet AS is prevented from being adhered to the adherend WK. Since the adhesive sheet AS is moved relative to the adherend WK, it is not necessary to separate the adhesive sheet AS from the adherend WK or discard the adherend WK, and damage and waste of the adherend WK can be suppressed. .

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 certain embodiments, it is understood that there may be modifications to the above-described embodiments without departing from the spirit and scope of the invention. Various modifications can be made by those skilled in the art in terms of materials, quantity, and other detailed configurations. In addition, the descriptions that limit the shape, material, etc. disclosed above are exemplified to facilitate understanding of the present invention, and do not limit the present invention. The description by the name of the member that removes some or all of the limitations such as is included in the present invention.

For example, the support means 10 may move the sticking means 20 and the detection means 30 while stopping or moving the outer table 12 to stick the adhesive sheet AS to the adherend WK or the ring frame RF.

The pasting means 20 uses a strip-shaped adhesive sheet temporarily attached to a strip-shaped release sheet RL, or a strip-shaped adhesive sheet that is not temporarily attached to a release sheet RL. Cutting means such as laser cutter, ion beam, thermal power, heat, water pressure, heating wire, spraying of gas or liquid, etc., and suitable driving equipment are combined to move the cutting member to cut the strip. The adhesive sheet AS may be formed by cutting the adhesive sheet into a predetermined shape, or the adhesive sheet AS may be affixed so as to completely cover the opening RF1 of the ring frame RF, or may not be partially covered. An adhesive sheet AS may be attached to the .

The detection means 30 may be provided with the photoelectric sensor 34 on the support means 10 and the reflection means 32 on one of the left and right sides of the pressing roller 24. 31 and light-receiving means 33 may be configured separately, or various sensors such as an imaging means and an ultrasonic sensor having a transmitter and a receiver may be used in place of or in combination with the photoelectric sensor 34. If only the imaging means is used, the reflecting means 32 may be omitted, and the light emitting means 31 may be provided on one of the left and right sides of the pressure roller 24, and the light emitting means 31 may be provided on the other side. The light receiving means 33 may be provided, or one of the light emitting means 31 and the light receiving means 33 may be provided in the support means 10, and the other means may be provided on the left side of the pressure roller 24. Means 32 may be omitted.
The reflecting means 32 may not be provided on the supporting means 10, the reflecting surface may be provided on the entire area inside the outer edge of the ring frame RF on the supporting surface 12A, or the reflecting surface may extend from the inner edge of the recess 12B to the inner table. 13 may be provided, or the reflective surface may not be flush with the support surface 12A. The surface treatment may be different from that of the sheet AS, and the reflectance of the light LE may be higher or lower than that of the ring frame RF and the adhesive sheet AS.

The sticking suppressing means 40 may be configured by the linear motor 11 instead of or in combination with the direct-acting motor 41 . In this case, when a sticking failure is detected by the detection means 30, the sticking suppressing means 40 drives the linear motor 11 to prevent the adhesive sheet AS from sticking to the adherend WK as indicated by the chain double-dashed line in FIG. Then, the outer table 12 should be moved toward the initial position.
As shown in FIG. 2, the sticking suppressing means 40 is composed of a plurality of arms instead of or in combination with the direct-acting motor 41, and is supported by an arm 42B at the tip, which is a working portion, within its working range. is supported by a so-called articulated robot 42A as a driving device that can be displaced to any position and any angle, and an arm 42B at the tip, and can be sucked and held by decompression means (not shown) such as a decompression pump and a vacuum ejector. A sticking suppressing mechanism 42 having an arm 42C may be employed. In this case, when the detection means 30 detects an adhesion failure, the adhesion suppression means 40 drives the decompression means (not shown) and the articulated robot 42A to prevent the adhesive sheet AS from being adhered to the adherend WK. The adherend WK supported by is removed from the inner table 13 . At this time, the support means 10 may stop driving the linear motor 11 to stop the leftward movement of the outer table 12, or may not stop. Further, the pasting means 20 may stop driving the rotation motor 25A to stop feeding the adhesive sheet AS, or may not stop.
As shown in FIG. 2, the sticking suppressing means 40 is a rotating device as a driving device that supports the opposite end of the peeling edge 23A of the peeling plate 23 with the output shaft 43A in place of or in combination with the direct-acting motor 41. A moving motor 43 may be provided. In this case, when the sticking failure is detected by the detection means 30, the sticking suppressing means 40 drives the rotary motor 43, and the adhesive sheet AS is not stuck to the adherend WK as indicated by the chain double-dashed line in FIG. , the release plate 23 is rotated to move the adhesive sheet AS and the adherend WK relative to each other.
As shown in FIG. 2, the sticking suppressing means 40 may be provided with a direct-acting motor 44 as a driving device that supports the frame 27 with the output shaft 44A instead of or in combination with the direct-acting motor 41 . In this case, when the sticking failure is detected by the detection means 30, the sticking suppressing means 40 drives the direct-acting motor 44, so that the adhesive sheet AS is not stuck to the adherend WK as indicated by the chain double-dashed line in FIG. , the frame 27 is raised to move the adhesive sheet AS and the adherend WK relative to each other.
Note that when the sticking suppressing mechanism 42, the rotation motor 43, the direct-acting motor 44, or the like is adopted as the sticking suppressing means 40, and the ring frame RF and the adherend WK are supported by another device, the supporting means 10 is the same as that of the present invention. may not be provided in the sheet sticking device EA.

In the above-described embodiment, the sheet sticking device EA may speed up or slow down the movement of the outer table 12 and the delivery speed of the adhesive sheet AS when the detecting means 30 detects a sticking failure.

Other than the ring frame RF, the frame member may have a non-annular shape (the outer periphery is not connected), a circle, an ellipse, a polygon with a triangle or more, or any other shape. It may be circular, elliptical, triangular or more polygonal, or any other shape.

Further, the material, type, shape, etc. of the adhesive sheet AS and the adherend in the present invention are not particularly limited. For example, the adhesive sheet AS may have a circular shape, an elliptical shape, a polygonal shape such as a triangle or a quadrangle, or other shapes, and may have adhesive forms such as pressure-sensitive adhesiveness and heat-sensitive adhesiveness. When a heat-sensitive adhesive sheet AS is used, it may be adhered by an appropriate method such as providing a heating means such as a suitable coil heater or heat pipe for heating the adhesive sheet AS. Further, such adhesive sheet AS includes, for example, a single-layer adhesive layer only, an intermediate layer between the base sheet and the adhesive layer, and a cover layer on the upper surface of the base sheet. Three or more layers, or a so-called double-sided adhesive sheet that allows the base sheet to be peeled off from the adhesive layer may be used. It may have a single layer or multiple layers without an intermediate layer. Examples of adherends include food, resin containers, semiconductor wafers such as silicon semiconductor wafers and compound semiconductor wafers, information recording substrates such as circuit boards and optical discs, glass plates, steel plates, pottery, wood plates, resin plates, etc. Any form of member, article, or the like can also be targeted. In addition, the adhesive sheet AS is replaced with a functional and application reading, for example, an information label, a decorative label, a protective sheet, a dicing tape, a die attach film, a die bonding tape, a recording layer forming resin sheet, etc. Sheets, films, tapes, etc. in any shape can be applied to any adherend as described above.

The means and steps in the present invention are not limited in any way as long as they can perform the operations, functions or steps described for those means and steps. The process is not limited at all. For example, if the sticking means supplies an adhesive sheet, sticks the adhesive sheet to the frame member, and then sticks the adhesive sheet to the adherend placed in the opening of the frame member, the application There is no limitation as long as it is within the technical scope in light of the original technical common sense (description of other means and steps is omitted).
In addition, the drive equipment in the above embodiments includes electric equipment such as rotating motors, direct-acting motors, linear motors, single-axis robots, articulated robots, actuators such as air cylinders, hydraulic cylinders, rodless cylinders and rotary cylinders. In addition, it is also possible to employ a direct or indirect combination of them (some of which overlap with those exemplified in the embodiments).
In the above-described embodiment, when rollers are employed, a driving device for rotating each roller may be provided, or the surface of each roller may be made of an elastically deformable member such as rubber or resin. However, each roller may be composed of a member that does not elastically deform, and if a pressing means or pressing member such as a pressing roller or a pressing head is employed, the roller may be used in place of or in combination with the above examples. , A pressing member made of a round bar, a blade material, rubber, resin, sponge, etc. may be employed, or a configuration in which pressing is performed by blowing air such as the atmosphere or gas may be employed. The part may be composed of an elastically deformable member such as rubber or resin, or may be composed of a non-elastically deformable member. It may be composed of a round bar, a roller, or the like, or if a support (holding) means or supporting (holding) member or other structure that supports or holds a member to be supported is adopted, a mechanical chuck, a chuck cylinder, or the like. A configuration in which the supported member is supported (held) by a gripping means, Coulomb force, an adhesive, an adhesive, a magnetic force, Bernoulli adsorption, a driving device, or the like may be employed.

20 Sticking Means 30 Detecting Means 40 Sticking Suppressing Means AS Adhesive Sheet EA Sheet Sticking Device RF Ring Frame (Frame Member)
RF1 opening WK adherend

Claims (2)

a sticking means for supplying an adhesive sheet, sticking the adhesive sheet to the frame member, and then sticking the adhesive sheet to an adherend placed in the opening of the frame member;
detection means for detecting, as an adhesion failure, that the adhesive sheet has not been adhered to a predetermined position on the frame member before the adhesive sheet is adhered to the adherend;
a sticking suppressing means for relatively moving the adhesive sheet and the adherend so that the adhesive sheet is not stuck to the adherend when the bad sticking is detected by the detection means. A sheet pasting device characterized by: an affixing step of supplying an adhesive sheet, affixing the adhesive sheet to a frame member, and then affixing the adhesive sheet to an adherend placed in an opening of the frame member;
a detection step of detecting, as an adhesion failure, that the adhesive sheet has not been adhered to a predetermined position on the frame member before the adhesive sheet is adhered to the adherend;
and an adhesion suppression step of relatively moving the adhesive sheet and the adherend so that the adhesive sheet is not adhered to the adherend when the adhesion failure is detected by the detection step. How to attach the sheet.

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