A fixture for bonding irregularly shaped curved displays that facilitates film removal.

Abstract

A fixture for bonding irregularly shaped curved displays, facilitating film removal, includes a fixture base plate, a carrier plate support plate, a panel carrier plate, a contoured cavity, a vacuum adsorption assembly, a flexible positioning assembly, a check valve assembly, and an upper mold. The upper mold is located above the fixture base plate. The carrier plate support plate is vertically and movably mounted on the fixture base plate via a return spring. The panel carrier plate is positioned on the carrier plate support plate. The contoured cavity is located on the fixture base plate and passes through the carrier plate support plate. The portion of the contoured cavity that engages with the panel carrier plate is stepped. The contoured cavity contains a vacuum adsorption assembly for adsorbing the liquid crystal panel. The panel carrier plate contains a flexible positioning assembly for fixing the glass panel to the side. The check valve assembly is located on the fixture base plate and cooperates with the carrier plate support plate to restrict the vertical movement of the fixture base plate. By vertically and movably positioning the carrier plate support plate on the fixture base plate, the liquid crystal panel can be placed into the contoured cavity first, and then the film removed, preventing contamination of the display screen and ensuring bonding accuracy.

Description

Technical Field

[0001] This utility model relates to the field of display bonding technology, specifically to a bonding fixture for irregularly shaped curved displays that facilitates film removal. Background Technology

[0002] Currently, touch displays are widely used in mobile phones, computers, automotive central control systems, industrial control displays, and other fields. Full lamination technology is becoming increasingly prominent, with the full lamination of irregularly shaped curved display panels presenting a significant challenge. The lamination methods for irregularly shaped curved display panels typically involve machine lamination and CCD positioning. This requires CCD to capture alignment dimensions and perform alignment compensation. The lamination accuracy between the control panel and the LCD panel is crucial. This approach results in long single-panel lamination times and low efficiency, demands high technical skills from engineers, and requires sophisticated equipment, leading to high costs. Furthermore, the curvature of this curved display panel is significant (radius R780), making CCD lamination difficult. This paper proposes a lamination fixture for bonding LCD panels to irregularly shaped curved display panels. The fixture is easy to adjust and requires less technical expertise. Moreover, using a fixture for alignment simplifies operation, increases production efficiency, and eliminates the need for multi-axis linkage, reducing reliance on specialized equipment. This significantly reduces the R&D difficulty and cost of the equipment.

[0003] Application number CN202223048710.0 discloses a curved multi-screen bonding fixture, including a bonding fixture transfer plate and a bonding fixture upper mold. A middle bonding fixture lower mold is bolted to the top outer wall of the transfer plate near its center. A stainless steel mini cylinder one is installed near one side of the top outer wall of the transfer plate, and a stainless steel mini cylinder two is installed near the other side. A left bonding fixture lower mold is installed at the end of the stainless steel mini cylinder one furthest from the transfer plate, and a right bonding module is installed at the end of the stainless steel mini cylinder two furthest from the transfer plate. The aforementioned existing technology requires removing the protective film from the display screen before it can be installed into the fixture. This operation makes it easy for the display screen to become contaminated at the bonding area after the protective film is removed, which in turn affects the accuracy and effect of bonding. Utility Model Content

[0004] The purpose of this invention is to provide a fixture for bonding irregularly shaped curved displays that facilitates film removal, in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A fixture for bonding irregularly shaped curved displays, facilitating film removal, includes a fixture base plate, a support plate, a panel support plate, a contour cavity, a vacuum adsorption assembly, a flexible positioning assembly, a check valve assembly, and an upper mold, wherein the upper mold is located above the fixture base plate, wherein: The support plate is vertically mounted on the base plate of the fixture via a return spring. The panel support plate is located on the support plate. The contour cavity is located on the base plate of the fixture and passes through the support plate. The part of the contour cavity that fits with the panel support plate is stepped. The inside of the contour cavity is provided with a vacuum adsorption component for adsorbing the liquid crystal panel. The panel support plate is provided with a flexible positioning component for fixing the glass panel on the side. The anti-return component is mounted on the base plate of the fixture and cooperates with the support plate of the bearing plate to restrict the vertical movement of the base plate of the fixture.

[0006] Preferably, the vacuum adsorption assembly includes vacuum adsorption holes and an air tube, the upper end face of the contour cavity is arrayed with vacuum adsorption holes, and the side of the contour cavity is connected to the air tube.

[0007] Preferably, the flexible positioning component includes a stop block and a spring I, the stop block is horizontally and movably mounted on the panel support plate, and the spring I is provided between the stop block and the panel support plate.

[0008] Preferably, the check valve assembly includes a pin, a spring II, and a limiting groove. The pin is horizontally and movably mounted on the fixture base plate. The spring II is provided between the pin and the fixture base plate. A limiting groove is provided on the side of the bearing plate support plate, and the pin is directly opposite the limiting groove.

[0009] Compared with the prior art, the beneficial effects of this utility model are: This utility model discloses a bonding fixture for irregularly shaped curved displays that facilitates film removal. During operation, the support plate and the panel support plate are vertically and movably mounted on the base plate of the fixture. This allows the support plate to be pressed down first to make the panel support plate flush with the contour cavity, and then the LCD panel with film is placed on the contour cavity. After that, the film on the LCD panel is lifted off. This eliminates the need to remove the film before placing it on the LCD panel, thus avoiding contamination of the display bonding area during transportation and ensuring the precision and effect of bonding. Attached Figure Description

[0010] Figure 1 This is a three-dimensional schematic diagram of the overall structure of this utility model; Figure 2 This is a three-dimensional schematic diagram of the present invention after removing the upper mold and the cover plate above the flexible positioning component; Figure 3 This is a schematic diagram of the internal structure of this utility model; Figure 4 for Figure 2 Schematic diagram of section A in the middle; Figure 5 for Figure 2 Schematic diagram of section B in the middle.

[0011] In the figure: 1 Fixture base plate, 2 bearing plate support plate, 3 panel bearing plate, 4 contour cavity, 5 vacuum adsorption assembly, 6 flexible positioning assembly, 7 check valve assembly, 8 upper mold, 51 vacuum adsorption hole, 52 air pipe, 61 stop block, 62 spring I, 71 pin, 72 spring II, 73 limiting groove. Detailed Implementation

[0012] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0013] Example: Please see Figures 1 to 5 This utility model provides a technical solution: A fixture for bonding irregularly shaped curved displays, facilitating film removal, includes a fixture base plate 1, a support plate 2, a panel support plate 3, a contour cavity 4, a vacuum adsorption assembly 5, a flexible positioning assembly 6, a check valve assembly 7, and an upper mold 8. The upper mold 8 is located above the fixture base plate 1 and can be connected to the upper mold of a bonding machine via its mounting holes and bolts. The fixture base plate 1 is connected to the machine base of the bonding machine via mounting holes. The support plate 2 is vertically mounted on the fixture base plate 1 via a return spring. The support plate 2 forms a vertically movable joint on the fixture base plate 1. The panel support plate 3 is mounted on the support plate 2. The contour cavity 4 is mounted on the fixture base plate 1 and passes through the support plate 2. The bottom of the support plate 2 has a through hole that accommodates the contour cavity 4. The shape of the through hole matches the contour cavity 4. The portion of the contour cavity 4 that mates with the panel support plate 3 is stepped. The contour cavity 4 is used to place the liquid crystal panel. When the liquid crystal panel is placed on the contour cavity 4, because the film on the liquid crystal panel is larger than the liquid crystal panel itself, the liquid crystal panel rests on the panel support plate 3, preventing it from fitting into the contour cavity 4. Therefore, a through hole can be opened at this time. The compression of the support plate 2 causes the panel support plate 3 to align its upper surface with the contour cavity 4, allowing the LCD panel to be placed inside the contour cavity 4. The film on the LCD panel is then removed, and the panel support plate 3 is reset by a return spring. The contour cavity 4 is equipped with a vacuum adsorption component 5 for adsorbing the LCD panel, and the panel support plate 3 is equipped with a flexible positioning component 6 for fixing the glass panel on the side. During bonding, the glass panel is fixed by the flexible positioning component 6 and bonded to the LCD panel on its upper surface. Therefore, the flexible positioning component 6 on the panel support plate 3 is higher than the contour cavity 4, so the support plate 2 needs to be vertically and movably mounted on the fixture base plate 1 so that it can drive the panel support plate 3 to align with the contour cavity 4.

[0014] The check valve assembly 7 is mounted on the fixture base plate 1 and cooperates with the support plate 2 to restrict the vertical movement of the fixture base plate 1. When the panel support plate 3 is flush with the contour cavity 4, the check valve assembly 7 can restrict the panel support plate 3 from rising vertically under the action of the return spring.

[0015] In a preferred embodiment, the vacuum adsorption assembly 5 includes a vacuum adsorption hole 51 and an air tube 52. The upper end face of the contoured cavity 4 is arrayed with vacuum adsorption holes 51, and the side of the contoured cavity 4 is connected to the air tube 52.

[0016] In a preferred embodiment, the flexible positioning component 6 includes a stop 61 and a spring I 62. The stop 61 is horizontally and movably mounted on the panel support plate 3. The stop 61 fixes the glass panel above the liquid crystal panel on its side, allowing the liquid crystal panel and the glass panel to be aligned and thus bonded together. The spring I 62 is provided between the stop 61 and the panel support plate 3.

[0017] In a preferred embodiment, the check valve assembly 7 includes a pin 71, a spring II 72, and a limiting groove 73. The pin 71 is horizontally and movably mounted on the fixture base plate 1. The spring II 72 is provided between the pin 71 and the fixture base plate 1. The limiting groove 73 is formed on the side of the support plate 2, and the pin 71 is directly opposite the limiting groove 73. Pressing the panel support plate 3 can block the bottom end of the limiting groove 73 through the pin 71, preventing the panel support plate 3 from resetting upwards.

[0018] In a preferred embodiment, the fixture base plate 1 is provided with guide pillars and guide pillar holes to ensure that the upper mold 8 is adjusted in position through the guide pillars and guide pillar holes when it descends, so that the fit does not shift.

[0019] The working principle of this utility model: When using this device, first press the support plate 2 of the bearing plate, and restrict the panel bearing plate 3 to rise vertically under the action of the return spring through the check component 7. Then place the liquid crystal panel with film on the contour cavity 4. At this time, lift the film on the liquid crystal panel, and then draw a vacuum through the air tube 52 and the vacuum adsorption hole 51 to make the liquid crystal panel fit completely with the bonding fixture.

[0020] Pull out the pin 71 from the limiting groove 73. The pin 71 will release the limiting effect on the carrier plate support plate 2. The carrier plate support plate 2 will naturally spring back under the action of the return spring. Then, place the glass panel on the panel carrier plate 3 and position it above the liquid crystal panel. Use the flexible positioning component 6 to fix the glass panel. At this time, the panel carrier plate 3 is higher than the contour cavity 4.

[0021] Before bonding, the upper mold 8 descends and engages with the guide post and guide post hole to ensure that the bonding does not deviate. When bonding begins, the bonding machine drives the upper mold 8 to continue to press down, and a vacuum is drawn inside the bonding machine until bonding is completed.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixture for bonding irregularly shaped curved displays that facilitates film removal, comprising a fixture base plate (1), a support plate (2), a panel support plate (3), a contour cavity (4), a vacuum adsorption assembly (5), a flexible positioning assembly (6), a check assembly (7), and an upper mold (8), wherein the upper mold (8) is located above the fixture base plate (1), characterized in that: The support plate (2) is vertically mounted on the base plate (1) of the fixture by means of a return spring. The panel support plate (3) is located on the support plate (2). The contoured cavity (4) is located on the base plate (1) and passes through the support plate (2). The part of the contoured cavity (4) that fits with the panel support plate (3) is stepped. The inside of the contoured cavity (4) is provided with a vacuum adsorption component (5) for adsorbing the liquid crystal panel. The panel support plate (3) is provided with a flexible positioning component (6) for fixing the glass panel on the side. The anti-return component (7) is provided on the jig base plate (1) and cooperates with the bearing plate support plate (2) to restrict the vertical movement of the jig base plate (1).

2. The irregular curved surface display bonding fixture for easy film removal according to claim 1, characterized in that: The vacuum adsorption assembly (5) includes a vacuum adsorption hole (51) and an air tube (52). The upper end face of the contour cavity (4) is arrayed with vacuum adsorption holes (51), and the side of the contour cavity (4) is connected to the air tube (52).

3. The irregular curved surface display bonding fixture for easy film removal according to claim 1, characterized in that: The flexible positioning component (6) includes a stop (61) and a spring I (62). The stop (61) is horizontally and movably mounted on the panel support plate (3), and the spring I (62) is provided between the stop (61) and the panel support plate (3).

4. The irregular curved surface display bonding fixture for easy film removal according to claim 3, characterized in that: The check valve assembly (7) includes a pin (71), a spring II (72) and a limiting groove (73). The pin (71) is horizontally and movably mounted on the fixture base plate (1). The spring II (72) is provided between the pin (71) and the fixture base plate (1). The supporting plate (2) of the bearing plate has a limiting groove (73) on its side. The pin (71) is directly opposite the limiting groove (73).

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