Pressure maintaining jig

By designing the pressure-holding components and slide rail components of the pressure-holding fixture, the problem of difficult water-glue bonding between the special-shaped cover and the touch display module was solved, the uniform distribution of the water-glue and the guarantee of the bonding level were achieved, and the production yield was improved.

CN223330908UActive Publication Date: 2025-09-12TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202422771342.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-09-12
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

During the production process of touch screen displays, it is difficult to glue the special-shaped cover plate to the touch display module using water glue, resulting in the inability to ensure the level of bonding, which affects the production yield.

Method used

A pressure-maintaining fixture was designed, including a pressure-maintaining component, a slide rail component, and a material holding plate. The product is pressurized by raising and lowering the pressure head, promoting the flow of water glue and ensuring the uniformity and levelness between the cover plate and the display module.

Benefits of technology

The uniformity of the water-based glue between the cover plate and the display module is improved, ensuring the levelness of the fit, thereby improving the production yield.

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Abstract

The utility model discloses a pressure maintaining jig which comprises a pressure maintaining assembly, a sliding rail assembly and a material containing plate. The pressure maintaining assembly comprises a bottom plate, a support and a lifting pressing head, the support is arranged on the bottom plate, the lifting pressing head can press the product on the material containing plate downwards in a lifting mode on the support, then pressure maintaining is conducted on the product, glue in the product is promoted to flow, the uniformity of the glue between the cover plate and the display module is improved, and the levelness between the cover plate and the display module is guaranteed. The sliding rail assembly comprises at least one guide rail, the guide rails are arranged on the bottom plate in parallel, and the support and the sliding rail assembly are arranged on the same side of the bottom plate. The material containing plate is movably arranged on the guide rail, so that the material containing plate can move on the pressure maintaining jig and avoid the lifting pressure head, and feeding and discharging are convenient.
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Description

Technical Field

[0001] The utility model relates to the field of jigs, in particular to a pressure-maintaining jig. Background Art

[0002] In the production of touchscreen displays, the touchscreen display module and the special-shaped cover plate are bonded together using liquid OCR, also known as water-based adhesive bonding. However, due to the special shape of the cover plate, the bonding equipment is difficult to debug. A layer of water-based adhesive is manually applied between the touchscreen display module screen and the cover plate's viewing area for pre-bonding. However, due to the special shape and curved outer surface of the cover plate, even bonding of the water-based adhesive is difficult. Furthermore, the water-based adhesive has poor fluidity after bonding the touchscreen display module screen and the cover plate, making it difficult to reach the entire bonding surface of the touchscreen display module and the cover plate. This results in uncertainty about the levelness of the bond and results in low production yields. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a pressure-maintaining fixture.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A pressure-maintaining fixture comprises: a pressure-maintaining assembly, the pressure-maintaining assembly comprising a base plate, a bracket and a lifting pressure head, the bracket being arranged on the base plate, the lifting pressure head being movably arranged on the bracket, and the lifting pressure head being used to hold the product; a slide rail assembly, the slide rail assembly comprising at least one guide rail, each of the guide rails being arranged parallel to the base plate, the bracket and the slide rail assembly being on the same side of the base plate; and a material holding plate, the material holding plate being movably arranged on the guide rail, the material holding plate being arranged below the lifting pressure head, and the material holding plate above is used to hold the product to be pressure-maintained; the lifting pressure head is used to maintain pressure on the product on the material holding plate.

[0006] In one embodiment, the lifting pressure head includes a lifting handle, a pressure transmission rod, a fixed plate and a pressure maintaining plate. The fixed plate is arranged on the bracket. One end of the pressure transmission rod is connected to the lifting handle. The middle part of the pressure transmission rod can be raised and lowered to pass through the fixed plate, and the other end is fixedly connected to the pressure maintaining plate. The pressure maintaining surface of the pressure maintaining plate is provided with a first pressure maintaining head and a second pressure maintaining head.

[0007] In one embodiment, a groove is respectively formed on the first pressure maintaining head and the second pressure maintaining head.

[0008] In one embodiment, the bracket includes a fixing plate and two supporting plates, the bottoms of the supporting plate and the fixing plate are fixedly connected to the bottom plate respectively, and the two supporting plates are arranged on both sides of the fixing plate.

[0009] In one embodiment, the bracket further includes a reinforcing plate, one end of the reinforcing plate is fixedly connected to one of the support plates, and the other end of the reinforcing plate is fixedly connected to the other support plate.

[0010] In one embodiment, the pressure maintaining surfaces of the first pressure maintaining head and the second pressure maintaining head are provided with a flexible layer.

[0011] In one embodiment, the flexible layer is a silicone layer or a rubber layer.

[0012] In one embodiment, the slide rail assembly further includes a blocking block, and the blocking block is disposed at the end of the slide rail.

[0013] In one embodiment, a clamping block is provided on the placement side edge of the material holding plate, and the clamping block is used to limit the product.

[0014] In one embodiment, a material taking trough is provided on the placement side edge of the material holding plate.

[0015] Compared with the prior art, the present invention has at least the following advantages:

[0016] 1. The pressure-maintaining fixture of this utility model is equipped with a pressure-maintaining assembly, a slide rail assembly, and a material holding plate. The pressure-maintaining assembly includes a base plate, a bracket, and a lifting pressure head. The bracket is mounted on the base plate. The lifting pressure head can be raised and lowered on the bracket to press down on the product on the material holding plate, thereby maintaining pressure on the product and promoting the flow of the water-based adhesive in the product, thereby improving the uniformity of the water-based adhesive between the cover plate and the display module and ensuring the levelness between the two.

[0017] 2. The slide rail assembly includes at least one guide rail, each of which is arranged parallel to the base plate, with the bracket and the slide rail assembly on the same side of the base plate. The material holding plate is movably mounted on the guide rail, allowing it to move on the pressure-maintaining fixture, avoiding the lifting pressure head, facilitating loading and unloading. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments.

[0019] Figure 1 Schematic diagram of the three-dimensional structure of a pressure-maintaining fixture in one embodiment of the present invention;

[0020] Figure 2 Schematic diagram of the structure of the fixed plate in the lifting pressure head in one embodiment of the present utility model.

[0021] Reference numerals:

[0022] Pressure maintaining assembly 10, base plate 11, bracket 12, fixed plate 13, support plate 14, reinforcement plate 15, lifting pressure head 20, lifting handle 21, pressure transmission rod 22, fixed plate 23, pressure maintaining plate 24, first pressure maintaining head 241, second pressure maintaining head 242, groove 243, guide rail 30, material holding plate 40, block 41, and material trough 42. DETAILED DESCRIPTION

[0023] In order to facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0024] This application proposes a pressure-maintaining fixture, please refer to Figure 1 , including: a pressure-maintaining assembly 10, a slide rail assembly, and a material holding plate 40. The pressure-maintaining assembly 10 includes a base plate 11, a bracket 12, and a lifting head 20. The bracket 12 is disposed on the base plate 11 and is used to fix the lifting head 20. The upper portion of the material holding plate 40 is used to hold the product to be pressure-maintained. The lifting head 20 can be raised and lowered on the bracket 12 to press down the product on the material holding plate 40, thereby maintaining the product pressure and promoting the flow of the hydrogel in the product, thereby improving the uniformity of the hydrogel between the cover plate and the display module and ensuring the levelness between the two.

[0025] It should be noted that the product is a display screen with water glue coated between the touch display module screen and the cover plate. A pressure-maintaining fixture is required to maintain the pressure on the display screen so that the water glue is evenly distributed between the touch display module screen and the cover plate.

[0026] The slide rail assembly includes at least one guide rail 30, each of which is arranged parallel to the base plate 11. The bracket 12 and the slide rail assembly are on the same side of the base plate 11. The material holding plate 40 is movably mounted on the guide rail 30, allowing it to move on the pressure-maintaining fixture, avoiding the lifting head 20, facilitating loading and unloading of materials.

[0027] See also Figure 1 and Figure 2 The lifting pressure head 20 includes a lifting handle 21, a pressure transmission rod 22, a fixed plate 23 and a pressure holding plate 24. The fixed plate 23 is arranged on the bracket 12, one end of the pressure transmission rod 22 is connected to the lifting handle 21, the middle part of the pressure transmission rod 22 can be lifted and lowered through the fixed plate 23, and the other end is fixedly connected to the pressure holding plate 24. When the staff pushes the lifting handle 21 downward, the fixed plate 23 on the pressure transmission rod 22 is driven to maintain pressure on the product on the material holding plate 40. When the staff pulls it upward, the fixed plate 23 on the pressure transmission rod 22 is driven away from the product on the material holding plate 40. Among them, the pressure holding surface of the pressure holding plate 24 is provided with a first pressure holding head 241 and a second pressure holding head 242, and the first pressure holding head 241 and the second pressure holding head 242 are respectively pressed on the touch display module to promote the flow of hydrogel.

[0028] Further, see Figure 2 The first pressure-maintaining head 241 and the second pressure-maintaining head 242 are respectively provided with grooves 243 , and the grooves 243 respectively avoid the two positioning glue frames on the touch display module to protect the positioning glue frames from damage.

[0029] In one embodiment, the bracket 12 includes a fixing plate 13 and two supporting plates 14 . The bottoms of the supporting plate 14 and the fixing plate 13 are fixedly connected to the bottom plate 11 respectively. The two supporting plates 14 are disposed on both sides of the fixing plate 13 .

[0030] Furthermore, the bracket 12 also includes a reinforcing plate 15, which is connected between the two support plates 14, that is, one end of the reinforcing plate 15 is fixedly connected to one support plate 14, and the other end is fixedly connected to the other support plate 14 to prevent the two support plates 14 from being deformed by force.

[0031] Furthermore, the pressure-maintaining surfaces of the first pressure-maintaining head 241 and the second pressure-maintaining head 242 are provided with a flexible layer. The flexible layer is soft and can protect the pressure-maintaining surface of the material and avoid abrasion of the surface of the material. Preferably, the flexible layer is a silicone layer or a rubber layer.

[0032] In one embodiment, the slide rail assembly further includes a blocking block, which is disposed at the end of the slide rail to prevent the material holding plate 40 from falling off the slide rail when the worker pulls out the material holding plate 40 .

[0033] Furthermore, a card block 41 is provided on the placement side edge of the material holding plate 40, and the material is placed in the card block 41. The card block 41 is used to limit the product to prevent the material on the material holding plate 40 from moving out of place during the pressure holding process, resulting in material damage or pressure holding failure.

[0034] In addition, a material taking trough 42 is provided on the placement side edge of the material holding plate 40 , and the staff can use their hands or tools to lift the material from the gap of the material taking trough 42 to facilitate the staff to load and unload the material on the material holding plate 40 .

[0035] It should be noted that the placement side surface of the material holding plate 40 can be a flat surface or a curved surface to accommodate the shape of the cover plate for support.

[0036] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person of ordinary skill in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A pressure-maintaining fixture, characterized in that: include: A pressure-maintaining assembly, comprising a base plate, a bracket, and a lifting pressure head. The bracket is disposed on the base plate, and the lifting pressure head is movably disposed on the bracket, and the lifting pressure head is used to support the product. A slide rail assembly, the slide rail assembly comprising at least one guide rail, each of the guide rails being arranged in parallel on the base plate, and the bracket and the slide rail assembly being on the same side of the base plate; and A material holding plate, the material holding plate being movably disposed on the guide rail, the material holding plate being disposed below the lifting pressure head, and the upper portion of the material holding plate being used to hold the product to be pressure-maintained; The lifting pressure head is used to maintain the pressure of the product on the material holding plate.

2. The pressure-maintaining jig according to claim 1, characterized in that: The lifting pressure head includes a lifting handle, a pressure transmission rod, a fixed plate and a pressure maintaining plate. The fixed plate is arranged on the bracket. One end of the pressure transmission rod is connected to the lifting handle. The middle part of the pressure transmission rod can be raised and lowered to pass through the fixed plate, and the other end is fixedly connected to the pressure maintaining plate; the pressure maintaining surface of the pressure maintaining plate is provided with a first pressure maintaining head and a second pressure maintaining head.

3. The pressure-maintaining jig according to claim 2, characterized in that: The first pressure maintaining head and the second pressure maintaining head are respectively provided with grooves.

4. The pressure-maintaining jig according to claim 1, characterized in that: The bracket includes a fixing plate and two supporting plates. The bottoms of the supporting plate and the fixing plate are fixedly connected to the bottom plate respectively, and the two supporting plates are arranged on both sides of the fixing plate.

5. The pressure-maintaining jig according to claim 4, characterized in that: The bracket further includes a reinforcing plate, one end of which is fixedly connected to one of the support plates, and the other end of which is fixedly connected to the other support plate.

6. The pressure-maintaining jig according to claim 2, characterized in that: The pressure maintaining surfaces on the first pressure maintaining head and the second pressure maintaining head are provided with a flexible layer.

7. The pressure-maintaining jig according to claim 6, characterized in that: The flexible layer is a silicone layer or a rubber layer.

8. The pressure maintaining fixture according to claim 1, characterized in that: The slide rail assembly further includes a blocking block, which is arranged at the end of the slide rail.

9. The pressure-maintaining jig according to claim 1, characterized in that: A clamping block is provided on the placement side edge of the material holding plate, and the clamping block is used to limit the product.

10. The pressure maintaining jig according to claim 1, characterized in that: A material taking trough is provided on the placement side edge of the material holding plate.