JP2005314033A - Affixing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an affixing device capable of reliably affixing an adhesive tape to an object to be affixed, and reliably peeling a support tape from the adhesive tape. <P>SOLUTION: A transparent plate 100 with an adhesive tape 102 affixed to an affixing surface while held by a transparent plate holding device 7 is supported from the side of a support tape 104. Peel rollers 32, 33 which are provided on a slide table 13 and engaged with the support tape 104 to support the adhesive tape 102 to peel the support tape 104 and the slide table 13 are slidably provided to each other. When the transparent plate holding device 7 is brought close to the adhesive tape 102 of a tape body 101 guided by a guide mechanism 12, and the adhesive tape 102 is affixed to the transparent plate 100, a lift base 15 is lowered, the slide table 13 slides to the upstream side of the extending direction, and the support tape 104 is peeled from the adhesive tape 102 by the pair of peel rollers 32, 33. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a laminating apparatus for laminating a double-sided adhesive tape to an adherend called a transparent panel.

  An electric device such as a portable telephone is provided with a display unit that displays an operation status and the like. The display unit provided in this electrical apparatus is usually attached so that a liquid crystal display panel is attached to the opening provided in the housing, and the transparent plate is closed in the opening to which the liquid crystal display panel is attached. . This transparent plate is bonded by a double-sided adhesive tape in which an adhesive layer is provided on both sides at the opening end constituting the opening.

  Usually, a double-sided adhesive tape has a release tape bonded to one side of an adhesive tape provided with an adhesive layer on both sides, and a support tape bonded to the other side. Then, the double-sided adhesive tape is first peeled off from the adhesive tape and bonded to a predetermined position of the transparent plate, then the support tape is peeled off from the adhesive tape bonded to the transparent plate, Affixed to the opening end of the opening constituting the display unit.

  The operation of attaching the adhesive tape to the transparent plate and peeling off the support tape was performed by positioning the adhesive tape on a positioning jig and then peeling off the support tape manually. However, the adhesive layer to which the support tape is bonded varies in its adhesive strength. Therefore, when the support tape is peeled off manually, it is very troublesome. Also, when peeling using an apparatus, the support tape may not be peeled off reliably due to this variation in adhesive strength.

  In addition, there exists a thing like following patent document 1 and patent document 2 in the apparatus which bonds an adhesive tape to a transparent member.

JP 63-294318 A Japanese Patent Laid-Open No. Sho 63-130688

  The present invention has been made in view of the above-described problems, and the object thereof is to reliably bond the adhesive tape to the adherend and to reliably peel the support tape from the adhesive tape. It is in providing the bonding apparatus which can be performed.

  The bonding apparatus according to the present invention is a method in which a tape body in which a support tape is bonded to one surface of an adhesive tape provided with an adhesive layer on both sides is bonded to an object to be bonded, and the support tape is peeled from the adhesive tape. In the laminating apparatus, the guide mechanism for guiding the tape body, and the pasting surface of the adherend body is opposed to the exposed adhesive tape of the tape body guided by the guide mechanism. And holding the bonded object in proximity to the adhesive tape, and holding the adhesive tape to the adhesive tape, and holding the adhesive tape in a state of being held by the holding mechanism. While supporting the said to-be-adhered body bonded by the said bonding surface from the side of the said support tape, the slide table which slides to the upstream of the extending direction where the said tape body extends, and the said At least a pair of peeling rollers which are provided on the ride table and engage with a supporting tape supporting the adhesive tape to peel the supporting tape of the tape body, the slide table is slidably provided, and the guide A lift base that moves in a direction away from the tape body extended by the mechanism. The at least one pair of peeling rollers are provided offset from the extending direction of the tape body in a direction orthogonal to the extending direction, and the holding mechanism is bonded to the tape body guided by the guide mechanism. When the adhesive tape is attached to the object to be held in the vicinity of the tape, the lift base moves in a direction away from the tape body, and then the slide table is located upstream in the extending direction. The support tape is peeled from the adhesive tape by the pair of peeling rollers.

  According to the present invention, the tape tape body is provided with an offset in the direction of approaching and separating from the tape body and the extending direction of the tape body, and thus the support tape can be bent in different directions, thereby The support tape can be reliably peeled off from the adhesive tape bonded to the body.

  Hereinafter, an attachment device for a transparent plate using an adhesive tape laminating device to which the present invention is applied will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, the attachment device 1 for the transparent plate 100 is attached to the housing and the device main body 2 for attaching the transparent plate 100 to the opening end of the opening portion where the display unit of the portable phone is provided. And a cleaning mechanism 3 for cleaning the liquid crystal display panel constituting the display unit. The apparatus main body 2 is provided in the inner case 4, and the cleaning mechanism 3 is provided between the inner case 4 and the outer case 5. The inner case 4 is provided with a clean fan unit 4a that cleans the air in the inner case 4, and the outer case 5 is provided with a clean fan unit 5a that cleans the air in the outer case 5. Further, a work opening 5b for a worker to insert a hand is provided on the front surface of the outer case 5, and a hand inserted from the work opening 5b is further provided on both side surfaces of the inner case 4. Work openings 4b, 4b for insertion into the interior are provided.

  The device main body 2 in the inner case 4 includes a housing holding device 6 that holds the housing 111 to which the liquid crystal display panel cleaned by the cleaning mechanism 3 is attached, and a transparent plate holding device 7 that holds the transparent plate 100. The cleaning roller 8 that cleans the back surface of the transparent plate 100 held by the transparent plate holding device 7 and the bonding device 9 that bonds the adhesive tape 102 to the transparent plate 100 from which dust is removed are provided.

  Here, the mobile phone 110 using the transparent plate 100 will be described. As shown in FIG. 3, the mobile phone 110 has a display unit 112 for displaying the operation status of the device on the main surface of the casing 111. Is provided. The display unit 112 is closed by a transparent plate 100 with a liquid crystal display panel attached to an opening 113 provided in the housing 111. The transparent plate 100 is provided with a light-shielding portion 100a around it, and an adhesive tape 102 for attaching the transparent plate 100 to the opening 113 is bonded to the back surface of the light-shielding portion 100a. The area surrounded by the light shielding part 100a is a light transmitting part 100b corresponding to the display area of the liquid crystal display panel. Then, the transparent plate 100 to which the adhesive tape 102 is bonded is bonded to the bonding surface so as to fit into the opening 113.

  As shown in FIG. 2, the casing 111 to which the liquid crystal display panel is attached from the opening 113 is first held by the holding portion 3 a of the cleaning mechanism 3. Then, dust or the like attached due to static electricity or the like is removed from the display surface of the liquid crystal display panel attached to the opening 113 by blowing an air flow. Note that the air flow blown here may be an ionized air flow for removing static electricity or the like.

  The casing 111 whose surface of the liquid crystal display panel is cleaned is then transferred to the casing holding device 6 in the inner case 4 where the transparent plate 100 to which the adhesive tape 102 is bonded is bonded. .

  On the other hand, the transparent plate 100 is sucked and held by the transparent plate holding device 7 in the inner case 4. Here, the transparent plate 100 is held with the back side up. The back surface of the transparent plate 100 held by the transparent plate holding device 7 is dedusted by the cleaning roller 8. Then, the dust-removed transparent plate 100 is inverted by the transparent plate holding device 7 and then transferred to the bonding device 9.

  The bonding body 9 is supplied with a tape body 101 from the back side to the front side. As shown in FIGS. 4 and 5, the tape body 101 includes an adhesive tape 102 having adhesive layers 102a and 102b formed on both sides, a release tape 103 bonded to one adhesive layer 102a, and the other adhesive. The support tape 104 is bonded to the layer 102b. The adhesive tape 102 and the support tape 104 supplied to the laminating apparatus 9 in a state where the release tape 103 is peeled off are formed with an opening 105 corresponding to the light transmitting portion 100b of the transparent plate 100. It is formed in an annular shape having a substantially rectangular shape so as to correspond to the light shielding portion 100a. The support tape is formed of a base material such as polyethylene terephthalate, and the tape body 101 from which the release tape 103 has been peeled can be reliably supplied to the bonding apparatus 9. The support tape 104 has a plurality of positioning holes 106 formed on the outer peripheral side of the adhesive tape 102. Further, the support tape 104 is formed wider than the adhesive tape 102, and the blank portion is an area where the guide mechanism 12 of the bonding apparatus 9 is engaged. The tape body 101 faces the back surface of the transparent plate 100 held by the transparent plate holding device 7 with the one adhesive layer 102a to which the release tape 103 has been attached facing upward, in a state where the release tape 103 is peeled off. In this way, it is supplied to the bonding apparatus 9.

  Next, the bonding apparatus 9 that bonds the adhesive tape 102 to the transparent plate 100 to which the present invention is applied will be described. As shown in FIG. 6, the bonding apparatus 9 includes a guide mechanism 12 that guides the tape body 101 that travels from the back surface to the front surface of the main body 11, and the tape body 101 that is guided by the guide mechanism 12. A slide table 13 that extends in the extending direction, a peeling roller mechanism 14 that peels the support tape 104 from the adhesive tape 102, and a lift base 15 to which the slide table 13 is attached are provided.

  As shown in FIG. 6, the guide mechanism 12 guides the guide table 16 that supports the tape body 101 from which the peeling tape 103 has been peeled off from the support tape 104 side, and both side edges parallel to the running direction of the tape body 101. A pair of guide members 17. The guide table 16 is provided with a guide recess 18 having a width substantially the same as the width of the support tape 104, and the tape body 101 from which the release tape 103 has been peeled runs in the guide recess 18. A notch portion 19 into which the peeling roller mechanism 14 and the slide table 13 enter when the support tape 104 is peeled is formed on the bottom surface portion of the guide recess 18. Guide members 17 are provided on both side edges of the guide recess 18. The pair of guide members 17 press both side edges of the tape body 101 from which the peeling tape 103 of the guide recess 18 has been peeled off, that is, the blank portion of the support tape 104, and the tape body from which the peeling tape 103 has been peeled off together with the guide recess 18. 101 is guided. The tape body 101 supplied to the guide mechanism 12 is sequentially sent out from the back to the front by a supply mechanism (not shown).

  On the downstream side of the guide mechanism 12, a slide table 13 is provided as a support table when the adhesive tape 102 from which the peeling tape 103 has been peeled off is bonded to the back side of the light shielding portion 100 a of the transparent plate 100. As shown in FIGS. 7 to 9, the slide table 13 has a cover 22 attached to the main surface on which the tape body 101 of the substantially rectangular base 21 larger than the transparent plate 100 extends. The base 21 is provided with first to third elastic bodies 23a, 23b, and 23c made of a plurality of coil springs and the like on the main surface on the tape body 101 side. The first to third elastic bodies 23a, 23b, and 23c press the tape body 101 against the back surface of the transparent plate 100 held by the transparent plate holding device 7 through the cover 22 for flattening the pressing surface.

  Here, the 1st elastic body 23a is arrange | positioned at the both ends of a longitudinal direction. The first elastic body 23 a on the downstream side is located at the starting point when the support tape 104 is peeled off from the adhesive tape 102 bonded to the back surface of the transparent plate 100, and is an elasticity that presses the support tape 104 against the transparent plate 100. The force is set to be larger than that of the second elastic body 23 b so that the support tape 104 can be reliably peeled off from the adhesive tape 102. The third elastic body 23c on the upstream side is positioned at the end point when the support tape 104 is peeled off from the adhesive tape 102 bonded to the back surface of the transparent plate 100, and is the same as the first elastic body 23a. Further, the elastic force for pressing the support tape 104 against the transparent plate 100 is set to be larger than that of the second elastic body 23b. The base 21 is formed with positioning protrusions 24 that engage with a plurality of positioning holes 106 formed in the support tape 104. Further, as shown in FIG. 6, a slide guide member 25 is provided on the back surface of the base 21 so as to be slidable with respect to the lift base 15.

  As shown in FIGS. 6 to 9, the peeling roller mechanism 14 is provided on the base 21 of the slide table 13 configured as described above. The peeling roller mechanism 14 includes two peeling rollers 32 and 33 that are rotatably provided by a support member 31. The support member 31 is fixed to one end of the slide table 13, and the peeling rollers 32 and 33 are attached to opposing support pieces 34 and 35 parallel to the extending direction of the adhesive tape 102 from which the peeling tape 103 has been peeled off. ing. One peeling roller 32 is provided on the side close to the slide table 13 of the one support piece 34 and is provided slightly below the tip. The other peeling roller 33 is provided on the side of the other support piece 35 away from the slide table 13, and is provided at a position higher than the peeling roller 33. That is, the peeling rollers 32 and 33 are provided on the pair of support pieces 34 and 35 so as to be offset in the direction perpendicular to the extending direction of the adhesive tape 102 from which the peeling tape 103 has been peeled off. The tape 104 can be bent in different directions by the rollers 32 and 33. These peeling rollers 32 and 33 peel the supporting tape 104 from the adhesive tape 102 bonded to the back surface of the transparent plate 100 when the slide table 13 slides in the direction of arrow A in FIG. At this time, since the peeling roller 32 is a roller for starting the peeling of the support tape 104 from the adhesive tape 102, the peeling roller 32 is provided below the peeling roller 33 so that the support tape 104 can be reliably peeled from the adhesive tape 102. I can do it.

  As described above, the slide table 13 provided with the peeling roller mechanism 14 is attached to the lift base 15. As shown in FIG. 6, the lift base 15 has a substantially rectangular shape, and a guide rail 41 of the slide table 13 is provided along the longitudinal direction at the center in the width direction. A guide groove 25 a of the slide guide member 25 of the slide table 13 is engaged with the guide rail 41. As a result, the slide table 13 can slide on the lift base 15 in the extending direction of the adhesive tape 102 from which the peeling tape 103 has been peeled, that is, in the direction of arrow A and the direction of the counter arrow A in FIG. Although details are omitted, the slide table 13 is connected to a slide cylinder mechanism serving as a drive mechanism, and is guided by the guide rail 41 to slide in the direction of arrow A and the direction of the counter arrow A in FIG. Further, the lift base 15 is connected to an elevating cylinder mechanism serving as a drive mechanism for elevating and lowering the slide table 13, and moves up and down in the directions indicated by the arrows B and the opposite arrow B in FIG. Specifically, the lift base 15 is raised and lowered by being guided by guide holes 43 provided in mutually parallel pieces of the substantially U-shaped lifting guide member 42.

  Next, operation | movement of the bonding apparatus 9 comprised as mentioned above is demonstrated. As shown in FIG. 10, the cleaned transparent plate 100 held by the transparent plate holding device 7 is moved above the bonding device 9. Specifically, the transparent plate 100 is held away from the tape body 101 so that the back surface of the transparent body 100 and the tape body 101 guided by the guide mechanism 12 face each other. At this time, the slide table 13 slides in the direction of arrow A in FIG. 10, which is the upstream side of the running direction of the tape body 101 guided by the guide mechanism 12, and is positioned around the notch 19 of the guide mechanism 12. Further, the lift base 15 is in a state of being raised in the direction opposite to the arrow B in FIG. 10 adjacent to the tape body 101 guided by the guide mechanism 12. The support tape 104 is accurately positioned by engaging the positioning protrusions 24 of the slide table 13 with the positioning holes 106 provided on the front and rear sides of each adhesive tape 102.

  Next, as shown in FIG. 11, the slide table 13 slidably attached to the lift base 15 in the raised position slides in the direction opposite to the arrow A in FIG. 11 and is held by the transparent plate holding device 7. It faces the back surface of the transparent plate 100. At this time, the slide table 13 is positioned on the adhesive tape 102 from which the peeling tape 103 to be bonded to the back surface of the transparent plate 100 is peeled. Next, the transparent plate holding device 7 holding the transparent plate 100 descends in the direction of arrow C in FIG. 11 and attaches the adhesive tape 102 on the slide table 13 to the back surface of the transparent plate 100. Since the slide table 13 is provided with the first to third elastic bodies 23a, 23b, and 23c, the adhesive tape 102 is pressure-bonded to the back surface of the transparent plate 100, and the entire adhesive tape 102 is securely attached. Will be combined. At this time, the peeling rollers 32 and 33 constituting the peeling roller mechanism 14 attached to the slide table 13 are separated from the tape body 101 on the slide table 13.

  When the adhesive tape 102 supported by the support tape 104 is attached to the back surface of the transparent plate 100, the lift base 15 to which the slide table 13 is attached is then moved to the arrow in FIG. Descent in the B direction. Then, the peeling rollers 32 and 33 of the peeling roller mechanism 14 that are located apart from each other on the slide table 13 come into contact with the support tape 104 constituting the tape body 101, and the tape body 101 is further moved to the arrow B in FIG. The support tape 104 starts to be peeled off from the adhesive tape 102 bonded to the back surface of the transparent plate 100 by being pushed down.

  At this time, the inside of the peeling rollers 32 and 33 provided on the pair of support pieces 34 and 35 so as to be offset in the direction perpendicular to the extending direction of the adhesive tape 102 from which the peeling tape 103 has been peeled off. Then, the peeling roller 32 provided below the peeling roller 33 on the side close to the slide table 13 peels the support tape 104 from the adhesive tape 102 first bonded to the back surface of the transparent plate 100. At this time, a first elastic body 23a having a large elastic force is provided at a position where the support tape 104 is first peeled off, and the adhesive tape 102 is pressed against the back surface of the transparent plate 100 with a stronger pressing force than other regions. Yes. Therefore, the support tape 104 can be reliably peeled from the adhesive tape 102 by the peeling roller 32.

  Then, as shown in FIG. 13, the peeling roller 32 peels the support tape 104 from the adhesive tape 102 together with the peeling roller 33 as the slide table 13 slides in the direction of arrow A in FIG. 13. At this time, since the peeling rollers 32 and 33 are provided offset, the supporting tape 104 can be bent in different directions by each roller, and the supporting tape 104 can be reliably peeled from the adhesive tape 102. .

  When the support tape 104 is peeled off from the adhesive tape 102 bonded to the transparent plate 100, the support tape 104 is removed from the transparent plate 100 leaving the adhesive tape 102 on the back surface of the transparent plate 100 as shown in FIG. Separate. Even at the point where the support tape 104 is completely peeled off from the adhesive tape 102, the slide table 13 is provided with the third elastic body 23c having a large elastic force, so that the support tape 104 is surely peeled off from the adhesive tape 102. can do.

  In the bonding apparatus 9 configured as described above, the peeling rollers 32 and 33 constituting the peeling roller mechanism 14 are formed on the pair of support pieces 34 and 35 of the support member 31 and the adhesive tape 102 is peeled off from the peeling tape 103. It is provided so as to be offset in the extending direction and the direction orthogonal to the extending direction. Therefore, even if there is a variation in the adhesive layer 102b between the adhesive tape 102 and the support tape 104, the support tape 104 can be reliably peeled from the adhesive tape 102. In addition, a first elastic body 23a and a third elastic body 23c having a larger elastic force than other regions are provided at positions corresponding to the start point and the end point when the support tape 104 is peeled from the adhesive tape 102. The pressing force for pressing the adhesive tape 102 against the back surface of the transparent plate 100 is larger than that in other regions, and the support tape 104 can be peeled from the reliable adhesive tape 102. Thereafter, the lift base 15 rises and returns to the state shown in FIG.

  The transparent plate 100 to which the adhesive tape 102 is bonded is then attached to the case where the liquid crystal display panel cleaned by the cleaning mechanism 3 held by the case holding device 6 is attached by the transparent plate holding device 7. It is attached to the opening 105 of 111.

  As mentioned above, although the transparent body 100 used for the portable telephone 110 was demonstrated and demonstrated to the to-be-bonded body as an example, the to-be-bonded body is not limited to the transparent board 100, A double-sided type adhesive tape is used. Various members to be bonded together may be used.

It is a perspective view which shows the whole structure of the attachment apparatus of the transparent plate in which the bonding apparatus to which this invention is applied is used. It is a perspective view which shows the apparatus main body of the attachment apparatus shown in FIG. It is a perspective view which shows the portable telephone to which a transparent plate and a transparent plate are attached. It is a perspective view of the tape body supplied to the bonding apparatus to which this invention is applied. It is sectional drawing of the tape body shown in FIG. It is a perspective view of the bonding apparatus to which this invention is applied. It is a top view of a slide table. It is a side view of a slide table. It is a front view of a slide table. It is a side view which shows the state before an adhesive tape is bonded together to a transparent plate. It is a side view which shows the state by which the adhesive tape is crimped | bonded to the back surface of the transparent plate. FIG. 12 is a side view showing a state where the lift base is lowered from the state of FIG. 11. It is a side view which shows the state which peels a support tape from the adhesive tape affixed on the transparent plate. It is a side view which shows the state which peeled the support tape from the adhesive tape affixed on the transparent plate.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Attachment apparatus, 2 apparatus main body, 7 transparent board holding apparatus, 9 bonding apparatus, 11 main body part, 12 guide mechanism, 13 slide table, 14 peeling roller mechanism, 15 lift base, 16 guide table, 17 guide member, 18 guide Recess, 19 Notch, 21 Base, 22 Cover, 23a First elastic body, 23b Second elastic body, 23c Third elastic body, 24 Positioning protrusion, 25 Slide guide member, 31 Support member, 32, 33 Peeling roller, 34, 35 Support piece, 41 Guide rail, 42 Elevating guide member, 43 Guide hole, 100 Transparent plate, 100a Light-shielding part, 100b Translucent part, 101 Tape body, 102 Adhesive tape, 102a, 102b Adhesive layer, 103 Release tape, 104 Support tape, 105 opening, 106 Positioning hole

Claims (3)

In a laminating apparatus for laminating a tape body in which a support tape is bonded to one surface of an adhesive tape provided with an adhesive layer on both sides, to the object to be bonded, and peeling the support tape from the adhesive tape,
A guide mechanism for guiding the tape body;
While holding the said to-be-adhered body by making the bonding surface of the said to-be-adhered body oppose the exposed adhesive tape of the tape body guided by the said guide mechanism, this held to-be-adhered body with respect to the said adhesive tape A holding mechanism for adhering to the adherend to the adhesive tape,
While being held by the holding mechanism, the adhesive tape is bonded to the bonding surface to support the adherend from the side of the support tape, and upstream of the extending direction of the tape body. A slide table that slides to the side,
At least a pair of peeling rollers provided on the slide table and engaged with a supporting tape supporting the adhesive tape to peel the supporting tape of the tape body;
The slide table is slidably provided, and includes a lift base that moves in a direction away from the tape body extended by the guide mechanism,
The at least one pair of peeling rollers are provided offset in the direction perpendicular to the extending direction of the tape body and the extending direction,
When the holding mechanism is close to the adhesive tape of the tape body guided by the guide mechanism and the adhesive tape is bonded to the held object, the lift base moves in a direction away from the tape body. Then, the slide table slides upstream in the extending direction, and the support tape is peeled off from the adhesive tape by the pair of peeling rollers. The slide table supports the adherend with an elastic body when the adhesive tape is attached to the adherend,
The bonding apparatus according to claim 1, wherein an elastic body at a position to be a starting point when the support tape is peeled from the adhesive tape has a stronger elastic force than an elastic body in another region.   The bonding apparatus according to claim 1, wherein the slide table is further provided with a positioning projection that engages with a positioning hole provided in the tape body.

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