CN220613707U

CN220613707U - Lower positioning fixture and alignment laminating device thereof

Info

Publication number: CN220613707U
Application number: CN202322126192.8U
Authority: CN
Inventors: 袁毅; 余立富; 李奕辉
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-19
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a lower positioning fixture and a counterpoint laminating device thereof, wherein the lower positioning fixture comprises: the base and the positioning assembly are provided with a positioning area; the positioning assembly comprises a first positioning piece and a second positioning piece, the first positioning piece and the second positioning piece are arranged on the base, the first positioning piece and the second positioning piece are respectively located on the positioning area, and when a product to be attached is placed on the positioning area, the first positioning piece and the second positioning piece are respectively used for limiting and fixing two sides of the product to be attached. According to the utility model, one part of the small touch display module with the circular structure can be limited and fixed through the lower positioning clamp, and the two sides of the product to be bonded on the positioning area are limited and fixed through the first positioning piece and the second positioning piece, so that the product to be bonded is prevented from being deviated, and the bonding quality and the bonding efficiency of the touch display module can be ensured.

Description

Lower positioning fixture and alignment laminating device thereof

Technical Field

The utility model relates to the technical field of touch display screen production and manufacturing, in particular to a lower positioning clamp and an alignment and lamination device thereof.

Background

Along with the development of scientific technology, the application of the touch display screen is also becoming wider, and in the production and manufacturing process of the touch display screen, all parts of the touch display screen need to be assembled and attached. For example, as vehicle-mounted products become more intelligent, many functions are gradually changed from traditional mechanical buttons to touch display screen displays. In addition, more and more automobiles now use a touch display module with a circular structure to replace the function of a knob, however, the general size of the touch display module is very small (about 1 inch), and the cover plate of the touch display module is of a circular structure, so that when all parts of the touch display module with a circular structure are aligned and bonded, the general bonding equipment cannot be compatible with the small size. So most can adopt manual laminating mode, but because touch-control display module assembly is too little, and touch-control display module assembly is circular structure, when counterpointing laminating operation, just take place rotatoryly easily, lead to the position to appear shifting, and then will influence laminating quality and laminating efficiency.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a lower positioning clamp and an alignment and lamination device thereof, which can realize alignment and lamination of all parts of a touch display module with a circular structure, thereby improving lamination quality and lamination efficiency.

The aim of the utility model is realized by the following technical scheme:

a lower positioning fixture, comprising: the device comprises a base and a positioning assembly, wherein a positioning area is arranged on the base; the positioning assembly comprises a first positioning piece and a second positioning piece, the first positioning piece and the second positioning piece are arranged on the base, the first positioning piece and the second positioning piece are respectively located on the positioning area, and when a product to be attached is placed on the positioning area, the first positioning piece and the second positioning piece are respectively used for limiting and fixing two sides of the product to be attached.

In one embodiment, the positioning device further comprises a limiting assembly, wherein the limiting assembly comprises a plurality of limiting blocks, each limiting block is arranged on the base, and each limiting block is arranged around the periphery of the positioning area respectively.

In one embodiment, the limiting blocks are four, and the four limiting blocks are respectively arranged around the periphery of the positioning area.

In one embodiment, a side of each limiting block facing the positioning area is provided with a clearance groove.

In one embodiment, the first positioning piece includes a plurality of first positioning blocks, and each first positioning block is used for limiting and fixing one side of the product to be attached.

In one embodiment, the second positioning piece includes a plurality of second positioning blocks, and each second positioning block is used for limiting and fixing one side of the product to be attached.

In one embodiment, the device further comprises a plurality of limiting strips, each limiting strip is arranged around the periphery of the positioning area, and each limiting strip is used for limiting and fixing the product to be attached.

In one embodiment, the device further comprises a bearing protruding portion, the bearing protruding portion is arranged on the base, the bearing protruding portion is located on the positioning area, and the first positioning piece and the second positioning piece are respectively arranged around the periphery of the bearing protruding portion.

In one embodiment, the base is provided with a clearance hole, and the clearance hole is located on the bearing boss.

The alignment laminating device comprises the lower positioning clamp and further comprises an upper vacuum positioning clamp, wherein the upper vacuum positioning clamp is connected with the lower positioning clamp in a buckled mode.

Compared with the prior art, the utility model has at least the following advantages:

according to the lower positioning fixture and the alignment laminating device thereof, one part of the small touch display module with the circular structure can be limited and fixed through the lower positioning fixture, so that the position deviation of a product to be laminated can be avoided when alignment laminating operation is performed, and particularly, the two sides of the product to be laminated on a positioning area are limited and fixed through the first positioning piece and the second positioning piece, so that the deviation of the product to be laminated is avoided, the laminating quality and laminating efficiency of the touch display module can be ensured, and the problem of low efficiency caused by too small product and manual difficult operation is solved through the alignment laminating device.

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 an alignment bonding device according to an embodiment of the utility model;

FIG. 2 is a schematic view of the lower positioning fixture in FIG. 1;

FIG. 3 is a schematic view of the upper vacuum positioning fixture of FIG. 1;

fig. 4 is an exploded view of the upper vacuum positioning jig of 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 to 4, an alignment and lamination device 10 includes a lower positioning fixture 11 and an upper vacuum positioning fixture 12, where the upper vacuum positioning fixture is fastened to the lower positioning fixture.

It should be noted that the alignment bonding device 10 of the present utility model can be used for alignment bonding of touch display modules with different circular structures, and is not limited to the small-sized touch display module of the present utility model. Specifically, when performing alignment bonding operation, one of the products to be bonded is placed on the lower positioning fixture 11, that is, one of the components of the small touch display screen, for example, a glass cover plate with a circular structure, is placed on the lower positioning fixture 11, the product to be bonded is limited and fixed, dispensing operation is required to be performed on the product to be bonded, and dispensing operation is required to be performed first; then, another product to be bonded, such as TFT (thin film transistor ), or other protective film, is placed on the upper vacuum positioning jig 12, the upper vacuum positioning jig 12 is used for adsorbing and positioning the other product to be bonded, then the upper vacuum positioning jig 12 is turned over, so that the product to be bonded on the upper vacuum positioning jig 12 faces the product to be bonded on the lower positioning jig 11, after the alignment bonding is completed, the upper vacuum positioning jig 12 is released from vacuum, at this time, the upper vacuum positioning jig 12 is taken away by corresponding equipment, meanwhile, the bonded assembly is left on the lower positioning jig 11 and is pre-cured, and finally the bonded assembly can be taken away to complete the alignment bonding operation. So, treat laminating product through lower positioning fixture 11 and last vacuum positioning fixture 12 to the circular structure of difference and carry out the laminating of counterpointing to can avoid laminating in-process, circular structure treat laminating product take place the offset, and influence laminating quality and laminating efficiency of product.

Referring to fig. 1 and 2, a lower positioning fixture 11 includes: the base 100 and the positioning assembly 200 are provided with a positioning area on the base 100; the positioning assembly 200 includes a first positioning member 210 and a second positioning member 220, where the first positioning member 210 and the second positioning member 220 are disposed on the base 100, and the first positioning member 210 and the second positioning member 220 are respectively located on a positioning area, and when a product to be bonded is placed on the positioning area, the first positioning member 210 and the second positioning member 220 are respectively used for limiting and fixing two sides of the product to be bonded.

It should be noted that, take the product of waiting laminating as circular glass apron as the example, when carrying out counterpoint laminating operation, place glass apron on the location district earlier to carry out spacing fixed through first setting element 210 and second setting element 220 to the both sides of glass apron, avoid glass apron to appear the position deflection, so, alright guarantee subsequent laminating quality, in addition, through lower positioning fixture 11, even the size of product is very little, also can match corresponding laminating equipment, so, just can replace the manual work to laminate the operation, thereby can improve laminating efficiency.

In an embodiment, the lower positioning fixture 11 further includes a limiting component 300, the limiting component 300 includes a plurality of limiting blocks 310, each limiting block 310 is disposed on the base 100, each limiting block 310 is disposed around the periphery of the positioning area, each limiting block 310 is used for limiting and fixing the upper vacuum positioning fixture 12, so as to ensure that the product to be attached on the upper vacuum positioning fixture 12 can be accurately aligned with the product to be attached on the lower positioning fixture 11, and further improve attaching quality. In this embodiment, the four limiting blocks 310 are disposed four, the four limiting blocks 310 are disposed around the periphery of the positioning area, and the four limiting blocks 310 are disposed four because the upper vacuum positioning fixture 12 is in a square structure, the four limiting blocks 310 respectively support and limit four corners of the upper vacuum positioning fixture 12, in addition, in this embodiment, a side of each limiting block 310 facing the positioning area is provided with a clearance groove 311, through the clearance groove 311, the upper vacuum positioning fixture 12 can be conveniently and rapidly placed on the limiting area surrounded by each limiting block 310, and meanwhile, friction damage between the four corners of the upper vacuum positioning fixture 12 and the limiting blocks 310 can be avoided when the upper vacuum positioning fixture 12 is buckled with the lower positioning fixture 11.

Further, the first positioning piece 210 includes a plurality of first positioning blocks, and each first positioning block is used for limiting and fixing one side of the product to be attached. In this embodiment, two first locating blocks are provided, and two first locating blocks are symmetrically distributed, and because the glass apron is circular structure, so offer on the first locating block towards one side of glass apron and support and hold the inclined plane, support and hold the inclined plane and support with the lateral wall of glass apron to play spacing fixed effect, avoid the glass apron of circular structure to take place rotatory skew at the in-process of laminating. Similarly, the second positioning piece 220 includes a plurality of second positioning blocks, each second positioning block is used for limiting and fixing the other side of the product to be laminated, two second positioning blocks are arranged, the two second positioning blocks are arranged in parallel, and in order to match the glass cover plate with the circular structure, a supporting inclined plane is formed on one side surface of the second positioning block facing the glass cover plate, so that the limiting and fixing effects on the glass cover plate are achieved.

In one embodiment, in order to further limit and fix the product to be bonded, the lower positioning fixture 11 further includes a plurality of limiting strips 400, each limiting strip 400 is disposed around the periphery of the positioning area, and each limiting strip 400 is used for limiting and fixing the product to be bonded, so that deflection of the product to be bonded can be further avoided, two limiting strips 400 are disposed opposite to each other, two limiting strips 400 are respectively used for limiting and fixing two sides of the product to be bonded,

in an embodiment, the lower positioning fixture 11 further includes a carrying protrusion 500, the carrying protrusion 500 is disposed on the base 100, and the carrying protrusion 500 is located on the positioning area, and the first positioning member 210 and the second positioning member 220 are respectively disposed around the periphery of the carrying protrusion 200, where the carrying protrusion 500 is used for increasing the height of the glass cover plate, so that the glass cover plate can be conveniently taken and placed. In this embodiment, the base 100 is provided with a clearance hole 110, the clearance hole 110 is located on the bearing boss 500, and the fitted assembly is conveniently lifted up and removed by providing the clearance hole 110.

In an embodiment, a carrier block 120 is further disposed on the base 100, where the carrier block 120 is in a T-shaped structure, and the carrier block 120 is used for carrying and limiting an FPC (flexible circuit board) bound in a TFT on the upper vacuum positioning fixture when the upper vacuum positioning fixture is fastened with the lower positioning fixture.

Referring to fig. 3 and 4, an upper vacuum positioning jig 12 includes: the vacuum positioning seat 600, a positioning groove 610 is arranged on one side surface of the vacuum positioning seat 600, a vacuum cavity 620 is arranged on the vacuum positioning seat 600, the vacuum cavity 620 is aligned with the positioning groove 610, and the positioning groove 610 is used for limiting a product to be attached.

It should be noted that, taking the product to be laminated as TFT as an example, the initial state of the upper vacuum positioning fixture 12 is that the positioning groove 610 is upwards arranged, the TFT is placed into the positioning groove 610 through a corresponding manipulator or manually, the TFT is carried and limited through the positioning groove 610, the TFT with a circular structure is prevented from deflecting to affect the subsequent lamination quality, the vacuum cavity 620 is aligned with the positioning groove 610, the TFT can be adsorbed and fixed by vacuumizing the vacuum cavity 620, then the upper vacuum positioning fixture 12 is turned over through corresponding equipment until the positioning groove 610 faces the lower positioning fixture 11, then the upper vacuum positioning fixture 12 is buckled with the lower positioning fixture 11 through corresponding equipment, and at the moment, the TFT is aligned with the glass cover plate. Further, in order to guarantee that two products of treating laminating can laminate smoothly from top to bottom, the degree of depth of constant head tank 610 should match the thickness of taking laminating product, for example, in this embodiment, the thickness of constant head tank 610 is the thickness of TFT plus the thickness of glue on the TFT, and the deviation is positive and negative 0.03mm, so, avoid constant head tank 610 degree of depth too dark, TFT on the constant head tank 610 can't contact and laminate with the glass apron on the lower positioning fixture 11, in this embodiment, the appearance of TFT is matchd to the constant head tank 610, be circular structure, be provided with FPC on the constant head tank 610 and dodge the groove, FPC dodges the groove and aligns with the loading shoe on the lower positioning fixture 11, dodge the position to keep away on the TFT through FPC, simultaneously, TFT can also carry out further spacing with the help of FPC, avoid TFT to appear the position offset, thereby can further improve follow-up laminating accuracy. After the alignment and lamination are completed, the upper vacuum positioning clamp 12 is released from vacuum, namely the vacuumizing is canceled, at this time, the upper vacuum positioning clamp 12 is taken away by corresponding equipment, meanwhile, the laminated assembly will be left on the lower positioning clamp 11 and pre-cured, and finally, the assembly can be taken away to complete the alignment and lamination operation. In this embodiment, a through hole 630 is provided on a side wall of the vacuum positioning seat 600, the through hole 630 is communicated with the vacuum cavity 620, a through hole distribution pipe elbow is installed, a manual air valve is installed, and a vacuum pumping device is connected at the same time, so that vacuum pumping treatment can be performed on the vacuum cavity 620, and adsorption and fixation of a product to be attached are realized.

In an embodiment, a sealing gasket 640 is disposed on a side of the vacuum positioning seat 600 away from the positioning groove 610, a limiting groove 650 is formed in the vacuum positioning seat 600, the sealing gasket 640 is disposed in the limiting groove 650, and the sealing gasket 640 is limited and fixed by the limiting groove 650, preferably, the sealing gasket 640 is a glass sealing gasket, and the sealing gasket 640 can ensure the tightness of the vacuum cavity 620.

Further, the upper vacuum positioning fixture 12 further includes a vacuum cover 700, the vacuum cover 700 is disposed on a side surface of the vacuum positioning seat 600 away from the positioning groove 610, and the vacuum cover 700 is used for limiting and fixing the sealing pad 640, for example, the vacuum cover 700 and the vacuum positioning seat 600 can be connected and fixed by adopting a threaded member such as a bolt or a screw.

Further, the limiting groove 650 has a rectangular structure, and four corners of the limiting groove 650 are provided with first avoiding grooves 651. Correspondingly, the sealing gasket 640 is also in a rectangular structure, and the first avoiding groove 651 is formed in the four corners of the limiting groove 650, so that the sealing gasket 640 can be conveniently placed into the limiting groove 650 smoothly, and meanwhile, the four corners of the sealing gasket 640 are prevented from being scratched with the limiting groove 650, so that the sealing gasket 640 and the limiting groove 650 are damaged.

In an embodiment, the vacuum cover 700 is made of an anti-static black bakelite material, and similarly, the vacuum positioning seat 600 is made of an anti-static black bakelite material, so that a product to be attached placed on the vacuum positioning seat 600 can be prevented from being affected by static electricity, and the display quality of a subsequent touch display module is low.

In one embodiment, a second avoidance groove 660 is formed on one side of the vacuum positioning seat 600, the second avoidance groove 660 is located on one side of the positioning groove 610, the second avoidance groove 660 is communicated with the positioning groove 610, the product to be attached can be placed on the positioning groove 610 through the second avoidance groove 660 by hands,

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

1. A lower positioning fixture, comprising:

the base is provided with a positioning area; and

The positioning assembly comprises a first positioning piece and a second positioning piece, wherein the first positioning piece and the second positioning piece are arranged on the base, the first positioning piece and the second positioning piece are respectively positioned on the positioning area, and when a product to be laminated is placed on the positioning area, the first positioning piece and the second positioning piece are respectively used for limiting and fixing two sides of the product to be laminated.

2. The lower positioning fixture of claim 1, further comprising a limiting assembly, wherein the limiting assembly comprises a plurality of limiting blocks, each limiting block is disposed on the base, and each limiting block is disposed around a peripheral edge of the positioning area.

3. The lower positioning fixture of claim 2, wherein four of the stoppers are provided around the peripheral edge of the positioning area.

4. The lower positioning fixture as claimed in claim 2, wherein a side of each stopper facing the positioning area is provided with a clearance groove.

5. The lower positioning fixture of claim 1, wherein the first positioning member comprises a plurality of first positioning blocks, and each first positioning block is used for limiting and fixing one side of the product to be bonded.

6. The lower positioning fixture of claim 5, wherein the second positioning member comprises a plurality of second positioning blocks, and each second positioning block is used for limiting and fixing one side of the product to be bonded.

7. The lower positioning fixture of claim 1, further comprising a plurality of stop bars, each of the stop bars being disposed around a periphery of the positioning area, and each of the stop bars being configured to perform a stop fixing on a product to be laminated.

8. The lower positioning fixture of claim 1, further comprising a bearing boss disposed on the base, the bearing boss being disposed on the positioning region, the first positioning member and the second positioning member being disposed around the peripheral edges of the bearing boss, respectively.

9. The lower positioning fixture of claim 8, wherein the base is provided with a clearance hole, and the clearance hole is located on the bearing boss.

10. An alignment and lamination device comprising the lower positioning fixture according to any one of claims 1-9, and further comprising an upper vacuum positioning fixture, wherein the upper vacuum positioning fixture is buckled with the lower positioning fixture.