CN219831796U - Anti-crush laminating jig for touch screen - Google Patents
Anti-crush laminating jig for touch screen Download PDFInfo
- Publication number
- CN219831796U CN219831796U CN202320777607.5U CN202320777607U CN219831796U CN 219831796 U CN219831796 U CN 219831796U CN 202320777607 U CN202320777607 U CN 202320777607U CN 219831796 U CN219831796 U CN 219831796U
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- cover plate
- crush
- touch screen
- base
- sensor glass
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- 238000010030 laminating Methods 0.000 title claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 52
- 208000025962 Crush injury Diseases 0.000 claims abstract description 15
- 239000011800 void material Substances 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 9
- 230000006378 damage Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 claims 2
- 208000014674 injury Diseases 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000002950 deficient Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model discloses an anti-crush laminating jig for a touch screen, which comprises the following components: the anti-crush anti-damage air-avoidance structure comprises a base, an anti-crush anti-collision structure, a positioning component and a cover plate platform, wherein a limiting groove is formed in the base and used for limiting and fixing sensor glass; the anti-crush injury and anti-empty structure is positioned on the limiting groove, and when the sensor glass is placed in the limiting groove, the FPC is positioned in the anti-crush injury and anti-empty structure; the positioning assembly comprises a plurality of positioning clamping blocks, and each positioning clamping block is used for limiting the position of the cover plate. According to the utility model, the anti-crush and anti-void structure is arranged in the limit groove, so that after the sensor glass is placed in the limit groove, the FPC can be positioned in the anti-crush and anti-void structure, and therefore, when equipment is used for compression, the cover plate can be prevented from being propped against components on the FPC to cause the cover plate to be crushed or the components to be crushed, thereby reducing the generation of defective products and improving the production quality of the touch screen.
Description
Technical Field
The utility model relates to the technical field of bonding jigs, in particular to a pressing damage prevention bonding jig for a touch screen.
Background
As shown in fig. 1, a touch screen structure 20 is shown, the touch screen structure 20 includes a cover plate 21 and a Sensor glass 22 (which is Sensor glass made of glass structure as a substrate, i.e. a touch function layer is made on the glass) at the uppermost layer, and an FPC23 (flexible circuit board), the FPC23 is bonded and connected with the Sensor glass 22, the Sensor glass 22 is bonded and connected with the cover plate, and a black ink frame 21a is disposed at the periphery of the cover plate, the black ink frame 21a is located on one side of the cover plate 21 close to the Sensor glass 22, and components 23a, such as capacitors, resistors and the like, are disposed on the FPC23.
At present, when the cover plate and the sensor glass are subjected to laminating connection operation, an OCA optical adhesive (Optically Clear Adhesive, special adhesive) is firstly adhered to the cover plate, an FPC is bound to the sensor glass in advance, then the cover plate and the sensor glass are placed in corresponding laminating jigs to be subjected to laminating connection, but in the laminating process, a component area on the FPC is clung to a black ink frame on the back surface of the cover plate, the thickness of the FPC plus the FPC component is 1 mm-1.5 mm thicker than that of the sensor glass, and when the laminating jigs are used for laminating operation, the FPC upper component can prop against the black ink frame on the cover plate, so that the cover plate and the sensor glass are subjected to laminating vacuumizing process through laminating equipment, the cover plate is easy to be crushed, or the components on the FPC are easy to be crushed, a large number of defective products are produced, and the production quality of the touch screen is reduced.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides the anti-crush attaching jig for the touch screen, so that the upper cover plate of the touch screen or components on the FPC are prevented from being crushed or crushed, the generation of defective products is reduced, and the production quality of the touch screen is improved.
The aim of the utility model is realized by the following technical scheme:
a prevent pressing and hinder laminating tool for touch-sensitive screen includes: the base is provided with a limit groove, the limit groove is used for limiting and fixing the sensor glass, the base is also provided with a cover plate platform, the cover plate platform is arranged around the limit groove, and the cover plate platform is used for bearing and limiting the cover plate; the anti-crush injury and anti-void structure is arranged on the base, and is positioned on the limiting groove, and when the sensor glass is placed in the limiting groove, the FPC is positioned in the anti-crush injury and anti-void structure; the positioning assembly comprises a plurality of positioning clamping blocks, each positioning clamping block is respectively positioned on the cover plate platform and is respectively used for limiting the position of the cover plate.
In one embodiment, the base is further provided with an avoidance groove, and the avoidance groove is located on one side wall of the base.
In one embodiment, two avoidance grooves are formed, the two avoidance grooves are respectively located on two side walls of the base, and the two avoidance grooves are oppositely arranged.
In one embodiment, the crush injury preventing and avoiding structure comprises an avoiding inner hole, wherein the avoiding inner hole is located on the limiting groove, and when sensor glass is placed in the limiting groove, the FPC is located on the avoiding inner hole.
In one embodiment, the anti-crush and anti-collision structure further comprises an anti-collision outer hole, wherein the anti-collision outer hole is formed in one side wall of the base, and the anti-collision inner hole is communicated with the anti-collision outer hole.
In one embodiment, the positioning assembly further includes a plurality of elastic positioning members, each of the elastic positioning members is respectively disposed on the cover plate platform, and each of the elastic positioning members is respectively abutted against the cover plate.
In one embodiment, the four elastic positioning pieces are respectively arranged on four corner areas of the cover plate platform, and the four elastic positioning pieces are respectively propped against the four corner areas of the cover plate.
In one embodiment, the base is further provided with a plurality of mounting holes, each mounting hole is located on the cover plate platform, and one end of the elastic locating piece is accommodated in the mounting hole.
In one embodiment, the elastic positioning piece comprises a supporting column, a fixing column and a spring, wherein one end of the supporting column is connected with one end of the fixing column, the spring is sleeved on the fixing column, and the fixing column and the spring are accommodated in the mounting hole.
In one embodiment, the support posts are PVC support posts.
Compared with the prior art, the utility model has at least the following advantages:
1. according to the anti-crush attaching jig for the touch screen, the base, the anti-crush clearance structure and the positioning assembly are arranged, so that the sensor glass can be limited and fixed through the limiting groove, and the anti-crush clearance structure is arranged in the limiting groove, so that after the sensor glass is placed in the limiting groove, the FPC which is in binding connection with the sensor glass can be positioned in the anti-crush clearance structure, and when equipment is used for pressing, the cover plate can be prevented from being propped against components on the FPC to cause the cover plate to be crushed or the components to be crushed, thereby reducing defective products and improving the production quality of the touch screen.
2. According to the anti-crush laminating jig for the touch screen, the positioning assembly is arranged, so that the position of the cover plate can be limited through the plurality of positioning clamping blocks on the cover plate platform, the plurality of elastic positioning pieces in the positioning assembly can be propped against the bottom surface of the cover plate, the cover plate can be fully placed and balanced and then laminated and bonded with the sensor glass, the problem that the position of the cover plate is not accurately placed and deflection occurs can be avoided, and the laminating quality of the cover plate and the sensor glass can be improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described.
FIG. 1 is a schematic diagram of a touch screen;
fig. 2 is a schematic structural diagram of an anti-crush bonding fixture for a touch screen and the touch screen according to an embodiment of the utility model;
FIG. 3 is a schematic diagram of a bonding fixture for preventing crush injury of a touch screen according to an embodiment of the utility model;
fig. 4 is a schematic top view of the anti-crush fit fixture for the touch screen in fig. 3;
FIG. 5 is a schematic side view of the anti-crush fit fixture for the touch screen of FIG. 3;
fig. 6 is a schematic structural diagram of an elastic positioning member of the anti-crush fit fixture for a touch screen in fig. 3.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.
Referring to fig. 1, 2, 3, 4, and 5, a bonding jig 10 for preventing crush injury of a touch screen includes: the base 100, the anti-crush and anti-damage clearance structure 200 and the positioning assembly 300 are arranged on the base 100, the limiting groove 110 is used for limiting and fixing the sensor glass 22, the base 100 is also provided with the cover plate platform 120, the cover plate platform 120 is arranged around the limiting groove 110, and the cover plate platform 120 is used for bearing and limiting the cover plate 21; the anti-crush injury and anti-empty structure 200 is arranged on the base 100, the anti-crush injury and anti-empty structure 200 is arranged on the limiting groove 110, and when the sensor glass 22 is placed in the limiting groove 110, the FPC23 is arranged in the anti-crush injury and anti-empty structure 200; the positioning assembly 300 includes a plurality of positioning blocks 310, each positioning block 310 is respectively located on the cover plate platform 120, and each positioning block 310 is respectively used for limiting the position of the cover plate 21.
It should be noted that, the base 100 and the anti-crush and anti-void structure 200 and the positioning assembly 300 on the base 100 may be made of red skids and integrally manufactured by a numerical control machine tool. Specifically, the limiting groove 110 is located in the central area of the base 100, the periphery of the limiting groove 110 is protruded to form a cover plate platform 120, a plurality of positioning clamping blocks 310 are respectively arranged on the cover plate platform 120, in this embodiment, six positioning clamping blocks 310 are arranged, the base 100 is in a rectangular structure, two positioning clamping blocks 310 are respectively arranged on two long sides of the base 100, one positioning clamping block 310 is respectively arranged on two short sides of the base 100, the six positioning clamping blocks 310 surround the cover plate to form a cover plate positioning area, and when the cover plate 21 is placed on the cover plate platform 120, the six positioning clamping blocks 310 respectively support and fix the four side walls of the cover plate 21, so that the cover plate 21 is aligned with sensor glass 22 in the limiting groove 110; and through setting up the anti-crush and keep away empty structure 200 in spacing groove 110 department, then sensor glass 22 is placed behind spacing groove 110, and the FPC23 that binds the connection with sensor glass 22 just is located the anti-crush and keep away empty structure 200, so, when using relevant lamination equipment to carry out the pressfitting evacuation, just can avoid apron 21 and the components and parts 23a on the FPC23 to offset and lead to apron 21 to be crushed or components and parts 23a to be crushed to can reduce the production of defective products, improve the production quality of touch-sensitive screen.
Further, in the present embodiment, the depth of the limiting groove 110 is 1/2 of the thickness of the sensor glass, so that after the sensor glass 22 is placed in the limiting groove 110, the sensor glass 22 is higher than the cover plate platform 120, so that the sensor glass 22 can be in contact with the OCA optical cement on the cover plate 21 during the attaching operation.
Further, the base 100 is further provided with an avoidance groove 130, and the avoidance groove 130 is located on a side wall of the base 100.
It should be noted that, the avoiding groove 130 is a material taking and placing groove, so that the sensor glass 22 is conveniently placed in the limiting groove 110 by a person, and meanwhile, the sensor glass 22 is conveniently taken out of the limiting groove 110 by a person; specifically, the avoidance groove 130 is located at the side wall of the long side of the base 100 and is located at a central position, and the avoidance groove 130 is retracted 0.2-0.3 mm toward the cover plate platform 120, so that the bottom edge of the cover plate 21 is exposed 0.2-0.3 mm, and thus, the hand of the operator can contact the bottom of the cover plate 21 and take out or put down the cover plate 21. In this embodiment, two avoidance grooves 130 are formed, the two avoidance grooves 130 are respectively located on two sidewalls of the base 100, and the two avoidance grooves 130 are relatively disposed, so that an operator can conveniently take and place the cover plate 21 from different positions.
In one embodiment, the anti-crush and anti-collision structure 200 includes a space-keeping inner hole 210, the space-keeping inner hole 210 is located on the limiting groove 110, and the FPC23 is located on the space-keeping inner hole 210 when the sensor glass 22 is placed in the limiting groove 110.
It should be noted that, the position alignment of the inner space 210 and the FPC23, and the size of the inner space 210 should be greater than the size of the FPC23, so that the FPC23 can be quickly put into the inner space 210, specifically, the thickness of the inner space 210 should be greater than the thickness of the FPC23 plus the thickness of the component 23a by about 5mm, and the width of the inner space 210 should be greater than the width of the FPC23 by about 6mm, before the sensor glass 22 is placed in the limiting groove 110, the FPC23 needs to be inserted into the inner space 210 in advance, and the FPC23 also completely enters the inner space 210 as the sensor glass 22 is completely put into the limiting groove 110, so that when the cover plate 21 and the sensor glass are attached, the component 23a on the cover plate 23 is not abutted against the black ink frame 21a at the position of the cover plate 21, and when the cover plate 21 is pressed by the pressing device, the component on the FPC23 is not pressed, so that the defective products are reduced, thereby improving the production quality of the touch screen.
Further, the anti-crush and anti-scratch structure 200 further includes an outer anti-scratch hole 220, the outer anti-scratch hole 220 is formed on a side wall of the base 100, and the inner anti-scratch hole 210 is communicated with the outer anti-scratch hole 220.
It should be noted that, the inner space-avoiding hole 210 is formed on the limiting groove 110 and is gradually enlarged and communicated to the outer space-avoiding hole 220, so that after the FPC23 is placed in the inner space-avoiding hole 210, the component 23a on the FPC23 faces to the outer side of the outer space-avoiding hole 220, and thus, damage deformation caused by mutual friction between the component 23a and the side wall of the inner space-avoiding hole 210 due to improper operation of an operator can be avoided.
In an embodiment, as shown in fig. 3, 4, 5 and 6, the positioning assembly 300 further includes a plurality of elastic positioning members 320, each elastic positioning member 320 is disposed on the cover platform 120, and each elastic positioning member 320 abuts against the cover 21.
It should be noted that, by arranging the plurality of elastic positioning pieces 320 on the cover plate platform 120 and propping up the bottom of the cover plate 21 by each elastic positioning piece 320, the cover plate 21 can be kept balanced before being attached to the sensor glass 22, and the cover plate 21 is prevented from being skewed, in this embodiment, four elastic positioning pieces 320 are arranged on four corner areas of the cover plate platform 120, and four elastic positioning pieces 320 prop up the four corner areas of the cover plate 21, and the four elastic positioning pieces 320 support the four corner areas of the cover plate 210, so that the balance of the cover plate 21 can be ensured to the greatest extent, the cover plate 21 is prevented from being skewed, and the attaching quality is ensured, and the attaching deviation is avoided; further, when the cover 21 is placed on the elastic positioning member 320 and kept balanced, the relevant pressing device presses the cover 210 to move toward the sensor glass 22, and at this time, the elastic positioning member 320 moves downward until the OCA optical cement on the cover 210 and the sensor glass are adhered to each other.
Further, the base 100 is further provided with a plurality of mounting holes, each of which is located on the cover platform 120, and one end of the elastic positioning element 320 is accommodated in the mounting hole.
It should be noted that, the mounting hole is used to mount the elastic positioning member 320. The number of the mounting holes is the same as that of the elastic positioning members 320, and when four elastic positioning members 320 are selected, the number of the mounting holes is four.
Further, in the present embodiment, the elastic positioning element 320 includes a supporting column 321, a fixing column 322 and a spring 323, one end of the supporting column 321 is connected with one end of the fixing column 322, the spring 323 is sleeved on the fixing column 322, and the fixing column 322 and the spring 323 are accommodated in the mounting hole.
It should be noted that, after the fixing post 322 and the spring 323 are accommodated in the mounting hole, the portion of the support post 321 exposed out of the cover plate platform 120 is at least about 2mm higher than the top surface of the sensor glass 22, so that the OCA optical cement on the cover plate 21 can be prevented from directly contacting the sensor glass 22 after the cover plate 21 is placed on the elastic positioning element 320; and the portion of the support post 321 exposed out of the cover plate platform 120 should be about 4mm lower than the top surface of the positioning fixture 310, so that the support post 321 is prevented from being too high, so that the cover plate 21 is higher than the positioning fixture 310, and the positioning fixture 310 cannot support and position the cover plate 21. In this embodiment, the support columns 321 are PVC (Polyvinyl chloride, polyvinyl chloride, PVC for short) support columns, and since the support columns 321 are made of plastic, the cover plate 21 can be prevented from being crushed relative to the support columns made of metal, and thus the quality of the touch screen can be ensured.
The use flow of the anti-crush laminating jig 10 for the touch screen is as follows:
firstly, binding FPC23 on sensor glass 22 in advance, and simultaneously pasting optical cement on cover plate 21 in advance;
in the second step, during the bonding operation, the blue protective film on the binding surface of the sensor glass 22 and the FPC23 is torn off, and the binding position of the FPC23 is upward, that is, the components of the FPC23 are upward, the suction balls on the relevant suction devices are sucked on the surface of the sensor glass 22, the sensor glass 22 is moved to be aligned with the limiting groove 110, and then the FPC23 is penetrated into the clearance inner hole 210.
And thirdly, peeling the optical adhesive protection film on the cover plate 21, enabling the bonding surface of the optical adhesive to face the sensor glass 22, placing the cover plate 21 on the cover plate platform 120, supporting and balancing through the elastic positioning piece 320 on the cover plate platform 120, simultaneously supporting and positioning through the positioning clamping block 310 on the cover plate platform 120, and applying pressure to the cover plate 21 after the cover plate 21 is balanced, so that the cover plate 21 is pressed in the direction of the sensor glass 22.
Fourth, after finishing the pressing operation, the suction balls on the relevant pressing devices suck the surface of the cover plate 21, the long side of the cover plate 21, which is far away from the FPC23, is lifted slightly, the long side of the cover plate 21, which is close to the FPC23, is kept unchanged, and after the long side of the cover plate 21, which is far away from the FPC23, is lifted to be higher than the positioning fixture block 310, the FPC23 at the clearance inner hole 210 is obliquely pulled out towards the long side of the cover plate 21, which is close to the FPC23.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, which are within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A prevent pressing and hinder laminating tool for touch-sensitive screen, its characterized in that includes:
the base is provided with a limit groove, the limit groove is used for limiting and fixing the sensor glass, the base is also provided with a cover plate platform, the cover plate platform is arranged around the limit groove, and the cover plate platform is used for bearing and limiting the cover plate;
the anti-crush injury and anti-void structure is arranged on the base, and is positioned on the limiting groove, and when the sensor glass is placed in the limiting groove, the FPC is positioned in the anti-crush injury and anti-void structure;
the positioning assembly comprises a plurality of positioning clamping blocks, each positioning clamping block is respectively positioned on the cover plate platform and is respectively used for limiting the position of the cover plate.
2. The anti-crush fit jig for a touch screen according to claim 1, wherein the base is further provided with an avoidance groove, and the avoidance groove is located on one side wall of the base.
3. The anti-crush fit jig for a touch screen according to claim 2, wherein two avoidance grooves are formed, the two avoidance grooves are respectively located on two side walls of the base, and the two avoidance grooves are oppositely arranged.
4. The crush injury preventing attaching jig for a touch screen according to claim 1, wherein the crush injury preventing and avoiding structure comprises an avoiding inner hole, the avoiding inner hole is located on the limiting groove, and when sensor glass is placed in the limiting groove, the FPC is located on the avoiding inner hole.
5. The pressure injury prevention attaching jig for a touch screen according to claim 4, wherein the pressure injury prevention void structure further comprises a void outer hole, the void outer hole is formed in a side wall of the base, and the void inner hole is communicated with the void outer hole.
6. The anti-crush fit jig for a touch screen according to claim 1, wherein the positioning assembly further comprises a plurality of elastic positioning members, each of the elastic positioning members is respectively disposed on the cover plate platform, and each of the elastic positioning members is respectively abutted against the cover plate.
7. The anti-crush fit jig for a touch screen according to claim 6, wherein four elastic positioning members are provided, the four elastic positioning members are respectively arranged on four corner regions of the cover plate platform, and the four elastic positioning members are respectively abutted against the four corner regions of the cover plate.
8. The anti-crush fit jig for a touch screen according to claim 6, wherein the base is further provided with a plurality of mounting holes, each of the mounting holes is located on the cover plate platform, and one end of the elastic positioning member is accommodated in the mounting hole.
9. The anti-crush fit jig for a touch screen according to claim 8, wherein the elastic positioning member comprises a support column, a fixing column and a spring, one end of the support column is connected with one end of the fixing column, the spring is sleeved on the fixing column, and the fixing column and the spring are accommodated in the mounting hole.
10. The crush injury resistant fitting jig for a touch screen of claim 9, wherein the support posts are PVC support posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777607.5U CN219831796U (en) | 2023-04-10 | 2023-04-10 | Anti-crush laminating jig for touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320777607.5U CN219831796U (en) | 2023-04-10 | 2023-04-10 | Anti-crush laminating jig for touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219831796U true CN219831796U (en) | 2023-10-13 |
Family
ID=88252062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320777607.5U Active CN219831796U (en) | 2023-04-10 | 2023-04-10 | Anti-crush laminating jig for touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219831796U (en) |
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2023
- 2023-04-10 CN CN202320777607.5U patent/CN219831796U/en active Active
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