Automatic gluing device for LCD (liquid crystal display)

Abstract

The utility model discloses an automatic gluing device for an LCD (Liquid Crystal Display) screen, which is characterized by comprising a hollow case, a plurality of gluing devices, a plurality of gluing devices and a plurality of gluing devices, and is characterized in that a stepped circular groove is formed in a top plate of the case; the turntable is arranged in the uppermost circular groove of the stepped circular groove, and a central shaft bearing of the turntable is connected with a bottom plate of the case; the group of circular plates are respectively and fixedly connected with the turntable, and each circular plate is respectively and fixedly connected with a square groove; and the supporting plates are matched with the corresponding square grooves respectively, each supporting plate is fixedly connected with symmetrical L-shaped plates, each L-shaped plate is connected with a vertical round rod, each vertical round rod penetrates through the corresponding round plate, and each vertical round rod is fixedly connected with a transverse plate. The utility model relates to the technical field of gluing, in particular to an automatic gluing device for a liquid crystal display (LCD). The technical problem to be solved by the utility model is to provide the automatic gluing device for the LCD screen, which is favorable for realizing automatic gluing of the LCD screen.

Description

Technical Field

[0001] The utility model relates to the technical field of glue coating, and specifically, to an automatic glue coating device for LCD liquid crystal displays. Background Art

[0002] A liquid crystal display is a type of display used in digital clocks and many portable computers. The LCD display uses two pieces of polarized material, and between them is a liquid crystal solution. When an electric current passes through the liquid, the liquid crystals will rearrange, preventing light from passing through them. The liquid crystal screen fills the liquid crystal material between two parallel plates, and by applying a voltage, the internal molecules of the liquid crystal material are rearranged to achieve the purpose of blocking and transmitting light, so as to display images of different shades and in an orderly manner. When producing liquid crystal screens, it is necessary to cure the terminals and fix the terminals on the liquid crystal screens.

[0003] In the prior art, for example, in the invention patent with the application number 202310034334.X, automatic feeding is processed through the movement of the placement plate. At the same time, automatic glue spraying can be carried out through the reciprocating movement of the glue spraying panel. At the same time, the glue is stirred by the rotation of the stirring rod to effectively prevent the glue from solidifying in advance, and the heat generated by the heating wire can be blown into the machine body by the rotation of the fan blades to dry the LED liquid crystal display after glue spraying.

[0004] Currently, there is still a lack of a device that can conveniently place, coat glue on, and take out liquid crystal displays by means of driving with a turntable. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide an automatic glue coating device for LCD liquid crystal displays, which is conducive to realizing the automatic glue coating of LCD liquid crystal displays.

[0006] The utility model adopts the following technical solutions to achieve the invention purpose:

[0007] An automatic glue coating device for LCD liquid crystal displays, characterized by comprising: a chassis, the chassis is hollow, and its top plate is provided with a stepped circular groove; a turntable, arranged in the uppermost circular groove of the stepped circular groove, and the central axis of the turntable is connected to the bottom plate of the chassis through a bearing; a group of circular plates, respectively fixedly connected to the turntable, and each circular plate is respectively fixedly connected to a square groove; a group of support plates, respectively matching the corresponding square grooves, each support plate is respectively fixedly connected to a symmetric L-shaped plate, each L-shaped plate is respectively connected to a vertical circular rod, each vertical circular rod respectively passes through the corresponding circular plate, and each vertical circular rod is respectively fixedly connected to a cross plate. By driving with a turntable, it is convenient to realize the continuous placement and glue coating of liquid crystal displays, and it is easy to use.

[0008] As a further limitation of the technical solution, the bottom plate of the chassis is fixedly connected to the motor, the output shaft of the motor is fixedly connected to the driving gear, the central shaft of the turntable is fixedly connected to the rotating gear, and the driving gear meshes with the rotating gear. By adopting gear meshing and driving by the motor, the movement of the turntable is realized.

[0009] As a further limitation of the technical solution, the central shaft of the rotating circular plate is connected to the chassis by bearings, the central shaft of the rotating circular plate is fixedly connected to the end gear, the end gear meshes with the rotating gear, a straight groove is provided on the top plate of the chassis, a round rod is provided in the straight groove, the round rod is fixedly connected to the top plate of the chassis, one end of a connecting rod is rotatably connected to the eccentric part of the rotating circular plate, the other end of the connecting rod is rotatably connected to an L-shaped rod, the vertical rod of the L-shaped rod is arranged in the straight groove, the round rod passes through the L-shaped rod, the L-shaped rod is fixedly connected to a rubber tube, and the rubber tube is fixedly communicated with a group of uniformly distributed spray heads. By adopting the connection of gear meshing and the rotation connection of the connecting rod, the reciprocating movement of the rubber tube is realized, and the dispensing of the liquid crystal display screen is realized, which is convenient to use.

[0010] As a further limitation of the technical solution, the rubber tube is fixedly communicated with a connector. One end of a flexible tube is connected to the connector and the other end is connected to a glue tank, which is convenient to realize glue supply.

[0011] As a further limitation of the technical solution, the side wall of the chassis is fixedly connected to a guide rod, and the guide rod passes through the vertical rod of the L-shaped rod. By adopting the guide rod, the stability of the movement of the L-shaped rod is enhanced.

[0012] As a further limitation of the technical solution, the square groove is fixedly communicated with a waste discharge valve. By arranging the waste discharge valve, it is convenient to discharge the residual colloid in the square groove.

[0013] As a further limitation of the technical solution, the lower ends of springs are respectively fixedly connected to both ends of each cross plate, each spring respectively sleeved on the corresponding vertical round rod, and the upper ends of each spring are respectively fixedly connected to the corresponding circular plate.

[0014] As a further limitation of the technical solution, the bottom plate of the chassis is fixedly connected to an arc-shaped block, a round head rod is respectively fixedly connected to the center of each cross plate, and the round head rod matches the arc-shaped block. By adopting the arc-shaped block and the round head rod, the support plate is moved upward higher than the square groove, which is convenient to place and take out the liquid crystal display screen.

[0015] Compared with the related art, an automatic glue coating device for LCD liquid crystal display screens provided by the present utility model has the following beneficial effects:

[0016] (1) Driven by the turntable, this device is convenient to realize the continuous placement and glue coating of liquid crystal display screens, and is convenient to use;

[0017] (2) By adopting a round-headed rod, an arc-shaped block, etc., the device enables the support plate to move upward higher than the square groove, facilitating the placement and removal of the liquid crystal display screen.

[0018] (3) By adopting a reciprocating rubber tube, the device facilitates the dispensing of glue on the liquid crystal display screen and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.

[0020] Figure 2 is a partial three-dimensional structural schematic Figure 1 .

[0021] Figure 3 is a partial three-dimensional structural schematic Figure 2 .

[0022] Figure 4 is a partial three-dimensional structural schematic Figure 3 .

[0023] Figure 5 is a partial three-dimensional structural schematic Figure 4 .

[0024] Figure 6 is a partial three-dimensional sectional structural schematic diagram of the present utility model.

[0025] In the figure: 1. Chassis, 2. Turntable, 3. Rubber tube, 4. L-shaped rod, 5. Straight groove, 6. Round rod, 7. Guide rod, 8. Step round groove, 9. Driving gear, 10. Motor, 11. Rotating gear, 12. End gear, 13. Rotating circular plate, 14. Connector, 15. Nozzle, 16. Connecting rod, 17. Circular plate, 18. Square groove, 19. Waste discharge valve, 20. Support plate, 21. L-shaped plate, 22. Vertical round rod, 23. Spring, 24. Horizontal plate, 25. Round-headed rod, 26. Arc-shaped block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0027] Embodiment 1: An automatic glue coating device for an LCD liquid crystal display screen, comprising: a chassis 1, the chassis 1 is hollow, and its top plate is provided with a stepped circular groove 8; a turntable 2, arranged in the uppermost circular groove of the stepped circular groove 8, and the central axis of the turntable 2 is connected to the bottom plate of the chassis 1 through a bearing; a group of circular plates 17, respectively fixedly connected to the turntable 2, and each circular plate 17 is respectively fixedly connected to a square groove 18; a group of support plates 20, respectively matching the corresponding square grooves 18, and each support plate 20 is respectively fixedly connected to a symmetric L-shaped plate 21, each L-shaped plate 21 is respectively connected to a vertical circular rod 22, each vertical circular rod 22 respectively passes through the corresponding circular plate 17, and each vertical circular rod 22 is respectively fixedly connected to a cross plate 24. Driven by the turntable 2, it is convenient to realize the placement and glue coating of continuous liquid crystal display screens, and it is easy to use.

[0028] The bottom plate of the chassis 1 is fixedly connected to a motor 10, the output shaft of the motor 10 is fixedly connected to a driving gear 9, the central axis of the turntable 2 is fixedly connected to a rotating gear 11, and the driving gear 9 meshes with the rotating gear 11. By adopting gear meshing and driven by the motor 10, the movement of the turntable 2 is realized.

[0029] The central axis of a rotating circular plate 13 is connected to the chassis 1 through a bearing, the central axis of the rotating circular plate 13 is fixedly connected to an end gear 12, the end gear 12 meshes with the rotating gear 11, the top plate of the chassis 1 is provided with a straight groove 5, a circular rod 6 is arranged in the straight groove 5, the circular rod 6 is fixedly connected to the top plate of the chassis 1, one end of a connecting rod 16 is rotatably connected to the eccentric part of the rotating circular plate 13, the other end of the connecting rod 16 is rotatably connected to an L-shaped rod 4, the vertical rod of the L-shaped rod 4 is arranged in the straight groove 5, the circular rod 6 passes through the L-shaped rod 4, and the L-shaped rod 4 is fixedly connected to a rubber tube 3, and the rubber tube 3 is fixedly and communicatively connected to a group of uniformly distributed nozzles 15. By adopting the connection of gear meshing and the rotation connection of the connecting rod, the reciprocating movement of the rubber tube 3 is realized, and the dotting of the liquid crystal display screen is realized, which is easy to use.

[0030] The rubber tube 3 is fixedly and communicatively connected to a joint 14. One end of a flexible tube is connected to the joint 14, and the other end is connected to a glue tank, which is convenient for realizing glue supply.

[0031] The side wall of the chassis 1 is fixedly connected to a guide rod 7, and the guide rod 7 passes through the vertical rod of the L-shaped rod 4. By adopting the guide rod 7, the stability of the movement of the L-shaped rod 14 is enhanced.

[0032] The square groove 18 is fixedly and communicatively connected to a waste discharge valve 19. By arranging the waste discharge valve 19, it is convenient to discharge the residual colloid in the square groove 18.

[0033] A group of uniformly distributed round holes can be arranged on the support plate 20, which is convenient for the excess glue to fall into the square groove 18.

[0034] An industrial camera can be installed on the L-shaped rod 14 for identifying liquid crystal displays.

[0035] The motor 10 and the industrial camera are respectively electrically connected to the controller.

[0036] The model of the motor 10 is servo motor 150ST.

[0037] The model of the industrial camera is A3A20MG8.

[0038] The signal of the controller is STM32F103VCT6.

[0039] The working principle of an automatic gluing device for LCD liquid crystal displays provided by the present utility model is as follows:

[0040] One end of a hose is connected to the joint 14, and the other end is connected to the glue tank. The glue tank is electrically connected to the controller.

[0041] Place the liquid crystal display on the support plate 20, control the intermittent rotation of the motor 10. The motor 10 drives the driving gear 9 to rotate, the driving gear 9 drives the rotating gear 11 and the turntable 2 to rotate, the turntable 2 drives the circular plate 17, the square groove 18, the waste discharge valve 19, the support plate 20, the L-shaped plate 21, the vertical circular rod 22 and the cross plate 24 to rotate, and the support plate 20 drives the liquid crystal display to move. The rotating gear 11 drives the end gear 12 to rotate, the end gear 12 drives the rotating circular plate 13 to rotate, the rotating circular plate 13 drives the connecting rod 16 to swing, the connecting rod 16 drives the L-shaped rod 4 to move along the circular rod 6 in the straight groove 5, the L-shaped rod 4 drives the rubber tube 3, the nozzle 15 and the joint 14 to reciprocate. When the liquid crystal display moves to below the nozzle 15, control the glue tank to work, so that the glue enters the rubber tube 3 through the hose and the joint 14 and is sprayed out from the nozzle 15 onto the liquid crystal display. When the motor 10 is turned off, place the liquid crystal display. When the turntable 2 drives the liquid crystal display coated with glue to move to the initial position, take it out.

[0042] In this embodiment, the vertical circular rod 22 is fixedly connected to the circular plate 17.

[0043] Embodiment 2: This embodiment is further elaborated on the basis of Embodiment 1. The lower ends of the springs 23 are respectively fixedly connected to both ends of each cross plate 24, each spring 23 is respectively sleeved on the corresponding vertical circular rod 22, and the upper ends of each spring 23 are respectively fixedly connected to the corresponding circular plate 17.

[0044] The bottom plate of the chassis 1 is fixedly connected to the arc-shaped block 26, the center of each cross plate 24 is respectively fixedly connected to the round head rod 25, and the round head rod 25 matches the arc-shaped block 26. By adopting the arc-shaped block 26 and the round head rod 25, it is realized that the support plate 20 moves upward higher than the square groove 18, which is convenient for placing and taking out the liquid crystal display.

[0045] The working principle of an automatic glue coating device for an LCD liquid crystal display provided by the present utility model is as follows:

[0046] The cross plate 24 drives the round head rod 25 to move. After the round head rod 25 contacts the arc-shaped block 26, during the stage of changing from bottom to top, the spring 23 is compressed, causing the cross bar 24, the vertical round rod 22, the L-shaped plate 21 and the support plate 20 to move upward. When the round head rod 25 contacts the highest point of the arc-shaped block 26, the motor 10 is turned off, which facilitates the placement and removal of the liquid crystal display. When the motor 10 rotates again, moving from top to bottom, the spring 23 gradually recovers, causing the support plate 20 to move downward into the square groove 18, enabling the liquid crystal display to enter the square groove 18. After the round head rod 25 disengages from the arc-shaped block 26, the spring 23 fully recovers.

[0047] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present utility model.

Claims

1. An automatic glue coating device for an LCD liquid crystal display screen, characterized in that, Comprising: A chassis (1), the chassis (1) being hollow, and its top plate being provided with a stepped circular groove (8); A turntable (2), arranged in the uppermost circular groove of the stepped circular groove (8), and the central axis of the turntable (2) being connected to the bottom plate of the chassis (1) by a bearing; A group of circular plates (17), respectively fixedly connected to the turntable (2), and each circular plate (17) being fixedly connected to a square groove (18); A group of support plates (20), respectively matching the corresponding square grooves (18), each support plate (20) being fixedly connected to a symmetric L-shaped plate (21), each L-shaped plate (21) being connected to a vertical circular rod (22), each vertical circular rod (22) passing through the corresponding circular plate (17), and each vertical circular rod (22) being fixedly connected to a cross plate (24).

2. The automatic glue coating device for LCD liquid crystal display screen according to claim 1, characterized in that: The bottom plate of the chassis (1) is fixedly connected to a motor (10), the output shaft of the motor (10) is fixedly connected to a driving gear (9), the central axis of the turntable (2) is fixedly connected to a rotating gear (11), and the driving gear (9) meshes with the rotating gear (11).

3. The automatic glue coating device for LCD liquid crystal display screen according to claim 2, wherein: The central axis of a rotating circular plate (13) is connected to the chassis (1) by a bearing, the central axis of the rotating circular plate (13) is fixedly connected to an end gear (12), the end gear (12) meshes with the rotating gear (11), the top plate of the chassis (1) is provided with a straight groove (5), a circular rod (6) is arranged in the straight groove (5), the circular rod (6) is fixedly connected to the top plate of the chassis (1), one end of a connecting rod (16) is rotatably connected to the eccentric part of the rotating circular plate (13), the other end of the connecting rod (16) is rotatably connected to an L-shaped rod (4), the vertical rod of the L-shaped rod (4) is arranged in the straight groove (5), the circular rod (6) passes through the L-shaped rod (4), the L-shaped rod (4) is fixedly connected to a rubber tube (3), and the rubber tube (3) is fixedly communicated with a group of uniformly distributed spray heads (15).

4. The automatic glue coating device for LCD liquid crystal display screen according to claim 3, characterized in that: The rubber tube (3) is fixedly communicated with a connector (14).

5. The automatic glue coating device for LCD liquid crystal display screen according to claim 3, characterized in that: The side wall of the chassis (1) is fixedly connected to a guide rod (7), and the guide rod (7) passes through the vertical rod of the L-shaped rod (4).

6. The automatic glue coating device for LCD liquid crystal display screen according to claim 1, characterized in that: The square groove (18) is fixedly communicated with a waste discharge valve (19).

7. The automatic glue coating device for LCD liquid crystal display screen according to claim 1 is characterized in that: each The two ends of the cross plate (24) are respectively fixedly connected to the lower ends of springs (23), each spring (23) is respectively sleeved on the corresponding vertical circular rod (22), and the upper ends of each spring (23) are respectively fixedly connected to the corresponding circular plate (17).

8. The automatic glue coating device for LCD liquid crystal display screen according to claim 7, characterized in that: The bottom plate of the chassis (1) is fixedly connected to an arc-shaped block (26), the center of each cross plate (24) is respectively fixedly connected to a round head rod (25), and the round head rod (25) matches the arc-shaped block (26).

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