CN219989724U - Eliminating device for OCA optical cement heavy release print on glass diffusion plate - Google Patents
Eliminating device for OCA optical cement heavy release print on glass diffusion plate Download PDFInfo
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- CN219989724U CN219989724U CN202321032252.3U CN202321032252U CN219989724U CN 219989724 U CN219989724 U CN 219989724U CN 202321032252 U CN202321032252 U CN 202321032252U CN 219989724 U CN219989724 U CN 219989724U
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- glass
- diffusion plate
- placing table
- heavy release
- eliminating
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- 239000011521 glass Substances 0.000 title claims abstract description 127
- 238000009792 diffusion process Methods 0.000 title claims abstract description 56
- 230000003287 optical effect Effects 0.000 title claims abstract description 17
- 239000004568 cement Substances 0.000 title claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 32
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000012788 optical film Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of glass diffusion plates, and in particular relates to a device for eliminating OCA optical cement heavy release marks on a fully-attached glass diffusion plate, which comprises the following components: the glass diffusion plate conveying device comprises a base, a first glass placing table and a second glass placing table which are arranged on the base, wherein a plurality of glass conveying rollers are in rolling connection in the first glass placing table and the second glass placing table, and the glass conveying rollers convey the glass diffusion plate; a first press roller positioned below the glass diffusion plate is arranged between the first glass placing table and the second glass placing table, and the first press roller presses the lower part of the glass diffusion plate; the eliminating device for the OCA optical cement heavy release print on the fully-attached glass diffusion plate has the advantages that the pause distance of the heavy release film and the distance of the glass edge can be regulated and controlled when the film is attached and torn, the area generating the heavy release print is avoided, and the effect of eliminating the heavy release print is achieved.
Description
Technical Field
The utility model belongs to the technical field of glass diffusion plates, and particularly relates to an OCA optical cement heavy release print eliminating device on a glass diffusion plate.
Background
In the full-lamination display, the most commonly used lamination adhesive is OCA optical adhesive, the OCA optical adhesive has high light transmittance and high viscosity, the chemical property is stable, the surface flatness is high, and before the OCA optical adhesive is used as solid adhesive, the upper surface and the lower surface need to be laminated with release protection films.
In the prior art, when laminating process, need tear the protection film of light type one side earlier, laminate the back with waiting to laminate the product, tear the heavy type protection film of another side again, laminate for the next step, but in the dyestripping, because the heavy type protection film that leaves is stronger with the viscidity between the OCA, when the action of dyestripping has a pause or speed inhomogeneous, can cause the trace that the OCA surface produced the dyestripping, this trace is visual under the circumstances that the display lighted, influence the picture effect of display.
Disclosure of Invention
The utility model aims to provide a device for eliminating heavy release marks of OCA optical adhesive on a glass diffusion plate, which solves the technical problem that marks of the film tearing on the surface of the OCA can be caused when the film tearing action is stopped or the speed is uneven, and achieves the aim of eliminating the heavy release marks by regulating and controlling the stopping distance of the heavy release film and the distance of the glass edge when the film tearing is attached.
In order to solve the technical problems, the utility model provides a device for eliminating OCA optical cement heavy release marks on a glass diffusion plate, which comprises the following components:
the glass diffusion plate conveying device comprises a base, a first glass placing table and a second glass placing table which are arranged on the base, wherein a plurality of glass conveying rollers are in rolling connection in the first glass placing table and the second glass placing table, and the glass conveying rollers convey the glass diffusion plate;
a first press roll positioned below the glass diffusion plate is arranged between the first glass placing table and the second glass placing table, the first press roll presses the lower part of the glass diffusion plate, a second press roll pressed on the upper part of the glass diffusion plate is arranged above the first press roll, and a back adhesive optical film coiled material is wound on the second press roll;
a winding roller for winding the heavy release protective film is further arranged on the base so as to wind the heavy release protective film on the back adhesive optical film coiled material;
the second glass placing table is provided with an infrared position sensor for sensing the glass diffusion plate, and the distance between the infrared position sensor and the center point of the first press roller is the distance between the critical film pasting position of the glass diffusion plate and the non-film pasting position of the glass diffusion plate.
Further, the first glass placing table is provided with a first stabilizing block.
Further, the second glass placing table is provided with a second stabilizing block.
Further, a pressurizing bubble removing machine is arranged beside the base;
the pressurizing bubble removing machine is internally provided with a heating part and a pressure part so as to heat and boost the glass diffusion plate.
Further, a fixed roller 7 is provided above the peeled release film.
The beneficial effects of the utility model are as follows:
1. through infrared position sensor, can respond to the transmission position of glass diffusion plate, when the edge that compression roller central point department and glass diffusion plate did not laminate one side reaches the settlement distance, can be through stopping the transmission of glass diffusion plate, the clearance between two glass of rethread control, and the line spacing of the pause position that is torn off from the type membrane and diffusion plate pad pasting critical department, thereby pause the pause position that is torn off from the type protection membrane again on the space between two glass diffusion plates, thereby avoid the pause position that is torn off from the type protection membrane again to stay on the glass diffusion plate, the condition that heavy type imprinting appears on the glass diffusion plate.
2. The pressurizing and defoaming machine can raise the pressure and temperature of the glass diffusion plate, so that the OCA is softened, and the indentation marks generated by the pause are removed.
3. The position of the released release film can be fixed by the fixed roller, so that the position of the released release film can be determined.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an apparatus for eliminating an OCA optical clear on a glass diffuser plate according to the present utility model.
In the figure:
1. a base; 11. a first glass placement stage; 111. a first stabilizing block; 12. a second glass placement stage; 122. a second stabilizing block; 13. a transfer roller;
2. a first press roller;
3. a second press roller;
4. a wind-up roll;
5. an infrared position sensor;
6. a pressurized bubble removing machine;
7. and fixing the roller.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
as shown in FIG. 1, an apparatus for eliminating OCA optical cement heavy release marks on a glass diffusion plate comprises: the glass diffusion plate comprises a base 1, a first glass placing table 11 and a second glass placing table 12 which are arranged on the base 1, wherein a plurality of glass conveying rollers 13 are connected in the first glass placing table 11 and the second glass placing table 12 in a rolling manner, and the glass conveying rollers 13 convey the glass diffusion plate; a first press roll 2 positioned below the glass diffusion plate is arranged between the first glass placing table 11 and the second glass placing table 12, the first press roll 2 presses the lower part of the glass diffusion plate, a second press roll 3 pressed on the upper part of the glass diffusion plate is arranged above the first press roll 2, and a back adhesive optical film coiled material is wound on the second press roll 3; a winding roller 4 for winding the heavy release protective film is also arranged on the base 1 so as to wind the heavy release protective film on the back adhesive optical film coiled material; the second glass placing table 12 is provided with an infrared position sensor 5 for sensing the glass diffusion plate, and the distance between the infrared position sensor 5 and the center point of the first press roller 2 is the distance between the critical film pasting position of the glass diffusion plate and the non-film pasting position of the glass diffusion plate. Through infrared position sensor 5, can respond to the transmission position of glass diffuser plate, fixed roller 7 can control heavy type membrane and glass diffuser plate pad pasting critical point's line distance, when the edge that 2 central points of compression roller department and glass diffuser plate did not laminate one side reaches the settlement distance, can be through stopping the transmission of glass diffuser plate, the clearance between two pieces of glass of rethread control, and the line distance of the pause position that is torn off from the type membrane and diffuser plate pad pasting critical point department, thereby will heavy type protection film tear pause on the space between two glass diffuser plates in the pause position that will tear off from the type protection film, thereby avoid heavy type protection film tear pause position to stay on the glass diffuser plate, appear heavy type imprinting condition from on the glass diffuser plate.
When the edge of the glass diffusion plate is coincident with the horizontal position of the infrared position sensor 5, the machine stops running, and when the machine stops running, the distance between the critical position of the film pasting of the glass diffusion plate and the edge of the non-film pasting side of the glass diffusion plate is defined as a distance 1, in this embodiment, the distance 1 is 50mm, that is, the first press roller 2 and the second press roller 3 stop, and the conveying roller 13 on the glass placing table also stops rotating, after the next glass to be pasted is placed, the machine resumes running, the distance between the two glass sheets is defined as a distance 2, and in this embodiment, the distance 2 is set to 20mm. Correspondingly, the arc distance from the pause position of the release film tearing to the pause position of the glass diffusion plate film pasting is set to be a distance 3, and the distance 3 is controlled to be 55-65mm, so that the position generated by heavy release print can be ensured to fall between the distance 2, namely between two pieces of glass, and heavy release print on the glass diffusion plate in the full pasting process is avoided.
In order to control the peeling position above the pitch 3, a fixed roller 7 is provided above the peeled release film.
In the present embodiment, the first glass placing stage 11 is provided with a first stabilizing block 111. The second glass placing stage 12 is provided with a second stabilizing block 122, thereby improving the stability of the first glass placing stage 11 and the second glass placing stage 12.
A pressurizing bubble removing machine 6 is arranged beside the base 1; the pressurizing bubble removing machine 6 is internally provided with a heating part and a pressure part to heat and boost the glass diffusion plate, wherein the temperature is controlled at 75-80 ℃ after heating and pressurizing for 30min, the pressure is controlled at 5-7kg, the pressure is maintained and the temperature is kept for 30min, and the OCA is heated and softened and simultaneously uniform pressure is applied, so that the indentation can be effectively removed.
To sum up: through infrared position sensor 5, can respond to the transmission position of glass diffuser plate, when the edge that compression roller central point department and glass diffuser plate did not laminate one side reaches the settlement distance, can be through stopping the transmission of glass diffuser plate, the clearance between two glass of rethread control, and the line spacing of the pause position that is torn off the type membrane and diffuser plate pad pasting critical department, thereby pause the pause position that is torn off the type protection membrane again on the space between two glass diffuser plates, thereby avoid the pause position that is torn off the type protection membrane again to stay on the glass diffuser plate, the condition that heavy type imprinting appears on the glass diffuser plate. The pressurizing and defoaming machine 6 can raise the pressure and temperature of the glass diffusion plate to soften the OCA and remove the imprint caused by the standstill.
The components selected in the utility model are all universal standard components or components known to the person skilled in the art, and the structure and principle of the components are all known to the person skilled in the art through technical manuals or through routine experimental methods. In the description of embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. An eliminating device of OCA optical cement heavy release print on glass diffuser plate, which is characterized by comprising:
the glass diffusion plate conveying device comprises a base (1), a first glass placing table (11) and a second glass placing table (12) which are arranged on the base (1), wherein a plurality of glass conveying rollers (13) are connected in the first glass placing table (11) and the second glass placing table (12) in a rolling manner, and the glass conveying rollers (13) convey the glass diffusion plate;
a first press roller (2) positioned below the glass diffusion plate is arranged between the first glass placing table (11) and the second glass placing table (12), the first press roller (2) presses the lower part of the glass diffusion plate, a second press roller (3) pressed on the upper part of the glass diffusion plate is arranged above the first press roller (2), and a back adhesive optical film coiled material is wound on the second press roller (3);
a winding roller (4) for winding the heavy release protective film is further arranged on the base (1) so as to wind the heavy release protective film on the back adhesive optical film coiled material;
the second glass placing table (12) is provided with an infrared position sensor (5) for sensing the glass diffusion plate, and the distance between the infrared position sensor (5) and the center point of the first press roller (2) is the distance between the critical film pasting position of the glass diffusion plate and the non-film pasting position of the glass diffusion plate.
2. The apparatus for eliminating OCA optical clear adhesive on a glass diffuser plate according to claim 1, wherein,
the first glass placing table (11) is provided with a first stabilizing block (111).
3. The apparatus for eliminating OCA optical clear adhesive on a glass diffuser plate according to claim 2, wherein,
the second glass placing table (12) is provided with a second stabilizing block (122).
4. The device for eliminating OCA optical clear adhesive heavy release print on a glass diffusion plate according to claim 3, wherein,
a pressurizing bubble removing machine (6) is arranged beside the base (1);
the pressurizing bubble removing machine (6) is internally provided with a heating part and a pressure part so as to heat and boost the glass diffusion plate.
5. The apparatus for eliminating OCA optical clear adhesive on a glass diffuser plate as defined in claim 4, wherein,
a fixed roller (7) is arranged above the stripped release film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321032252.3U CN219989724U (en) | 2023-04-28 | 2023-04-28 | Eliminating device for OCA optical cement heavy release print on glass diffusion plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321032252.3U CN219989724U (en) | 2023-04-28 | 2023-04-28 | Eliminating device for OCA optical cement heavy release print on glass diffusion plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219989724U true CN219989724U (en) | 2023-11-10 |
Family
ID=88617689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321032252.3U Active CN219989724U (en) | 2023-04-28 | 2023-04-28 | Eliminating device for OCA optical cement heavy release print on glass diffusion plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219989724U (en) |
-
2023
- 2023-04-28 CN CN202321032252.3U patent/CN219989724U/en active Active
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