A correction mechanism of LCD liquid crystal screen module

Abstract

The utility model relates to LCD positioning technical field discloses a correction mechanism of LCD liquid crystal screen module, including operation platform and guide frame, the recess is established in the surface middle position of operation platform, the recess in the surface of operation platform is supported to place in guide frame, the top of guide frame is provided with the opening, the bottom of guide frame is provided with the bottom mouth less than the opening, and the smooth inclined plane guide transition is set between the opening and the bottom mouth, the operation platform surface in the recess still evenly sets up a plurality of board grooves, and the operation platform bottom below board groove is installed with electric push rod vertically. The utility model technical scheme through setting up the guide frame support in operation platform surface can be replaced, can use to different size LCD liquid crystal screen, and the opening size of the top of guide frame is greater than the bottom mouth size of its bottom, and the inclined plane is set to guide, and the liquid crystal screen can directly be in the top inside of guide frame, can make the liquid crystal screen free sliding to the bottom mouth under the gravity and the inclined plane guide and realize quick positioning, and avoid the additional force to cause the liquid crystal screen damage.

Description

Technical Field

[0001] This utility model relates to the field of LCD screen positioning technology, specifically a calibration mechanism for an LCD screen module. Background Technology

[0002] An LCD is constructed by placing liquid crystals between two parallel glass plates. Between the two glass plates are many fine vertical and horizontal wires. By controlling whether or not electricity is applied, the rod-shaped crystal molecules change direction, refracting light to produce an image. The basic principle of the screen's display is to fill the space between the two parallel plates with liquid crystal material. By using voltage to change the arrangement of the molecules inside the liquid crystal material, the purpose of blocking and transmitting light is achieved, thus displaying images of varying shades and staggered patterns. Moreover, by adding a three-color filter layer between the two plates, color images can be displayed.

[0003] When testing the display effect of an LCD screen after production, it is necessary to use fixtures or other positioning structures to center the screen on the worktable for easy inspection. Traditional methods of using fixtures for centering are slow, and the additional force can easily cause the fragile LCD screen to break. Therefore, we propose a calibration mechanism for LCD screen modules. Utility Model Content

[0004] The purpose of this invention is to provide a calibration mechanism for an LCD screen module. By setting a replaceable guide frame to support the operation table surface, it can be used for LCD screens of different sizes. The upper opening of the guide frame is larger than the bottom opening, and a slope is provided for guidance. The LCD screen can be placed directly inside the upper part of the guide frame. Under the guidance of gravity and the slope, the LCD screen can slide freely into the bottom opening to achieve rapid positioning and avoid damage to the LCD screen caused by additional force. This solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a calibration mechanism for an LCD screen module, comprising an operating table and a guide frame. A groove is provided in the middle of the surface of the operating table, and the guide frame is supported in the groove on the surface of the operating table. An opening is provided above the guide frame, and a bottom opening smaller than the opening is provided at the bottom of the guide frame. A smooth inclined guide transition is provided between the opening and the bottom opening. Multiple slots are also evenly provided on the surface of the operating table in the groove. An electric push rod is vertically installed at the bottom of the operating table below the slot. The protruding end of the electric push rod passes through the slot and is fixed with a support plate placed in the slot.

[0006] By adopting the above technical solution, the LCD screen can be directly projected into the upper interior of the guide frame, allowing it to quickly slide to the bottom and be positioned in the bottom opening under the guidance of gravity and the inclined plane. This achieves rapid centering and positioning, and avoids additional forces acting on the LCD screen, which could easily damage it.

[0007] Optionally, a side opening is provided on the inclined surface of the bottom opening side, and the side opening extends vertically to the bottom of the guide frame.

[0008] By adopting the above technical solution, during testing, the LCD screen's ribbon cable can be threaded from the side opening to the top, thereby connecting to the driver motherboard to start the LCD screen and facilitate testing its display effect.

[0009] Optionally, handles are fixed to both sides of the guide frame, and the handles are fixed to the side surfaces of the guide frame by welding.

[0010] By adopting the above technical solution, the guide frame can be easily lifted and moved using a handle.

[0011] Optionally, a rubber pad is attached and fixed to the upper surface of the support plate, and the diameter of the rubber pad is smaller than the diameter of the support plate.

[0012] By adopting the above technical solution, the support plate is raised to a height that is supported by the rubber pad against the bottom of the LCD screen, thus providing anti-slip protection.

[0013] Optionally, when the support plate is lowered into the groove, the height of the rubber pad on the surface of the support plate is less than the height of the top of the groove.

[0014] By adopting the above technical solution, the rubber pad can be prevented from protruding and contacting the bottom of the LCD screen when the support plate is lowered into the slot.

[0015] Optionally, the bottom four corners of the operating table are each supported and fixed with legs, and at least four legs are provided.

[0016] By adopting the above technical solution, the operating table is supported and fixed by the legs at its four corners.

[0017] Compared with the prior art, the beneficial effects of the technical solution of this application are as follows:

[0018] 1. The technical solution of this application uses a replaceable guide frame supported on the surface of the operating table, which can be used for LCD screens of different sizes. The upper opening of the guide frame is larger than the bottom opening, and a slope is provided for guidance. The LCD screen can be placed directly inside the upper part of the guide frame. Under the guidance of gravity and the slope, the LCD screen can slide freely into the bottom opening to achieve rapid positioning and avoid damage to the LCD screen caused by additional force.

[0019] 2. The technical solution of this application provides multiple support plates that can be lifted by electric push rods in the groove position of the operating table. After the LCD screen is tested, only the support plate located inside the bottom opening can be controlled to be supported and lifted, so as to support the LCD screen and make it easy to remove it. Attached Figure Description

[0020] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of the calibration mechanism of the LCD screen module of this utility model;

[0022] Figure 2 This is a schematic diagram of the LCD screen module calibration mechanism after the guide frame is removed.

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the support plate of the calibration mechanism of the LCD screen module of this utility model.

[0024] In the diagram: 1. Operating table; 11. Groove; 12. Plate groove; 13. Support leg; 2. Guide frame; 21. Bottom opening; 22. Sloping surface; 23. Side opening; 24. Handle; 3. Electric actuator; 31. Support plate; 311. Rubber pad. Detailed Implementation

[0025] Please see Figure 1-3 This utility model provides a technical solution: a calibration mechanism for an LCD screen module, including an operating table 1 and a guide frame 2. The bottom four corners of the operating table 1 are all supported and fixed with legs 13. At least four legs 13 are provided, and the legs 13 at the four corners are of the same length, so as to achieve horizontal and stable support for the operating table 1.

[0026] A groove 11 is provided in the middle of the surface of the operating table 1. The guide frame 2 is supported and positioned in the groove 11 on the surface of the operating table 1. A square opening is provided above the guide frame 2, and a bottom opening 21 with a size smaller than the opening is provided at the bottom of the guide frame 2. A smooth inclined surface 22 is provided between the opening and the bottom opening 21 for guiding transition. When centering the LCD screen to be tested, the LCD screen can be directly placed in the opening on the guide frame 2. Then, under the guidance of gravity and the smooth inclined surface 22, the LCD screen can quickly slide to the bottom opening 21 and be centered. During the positioning process, no external force is applied to the LCD screen to avoid breakage.

[0027] In addition, in order to accommodate the centering of other sizes of LCD screens, guide frames 2 with other sizes of bottoms are also provided to be used with the operating table 1. All guide frames 2 have the same external dimensions to ensure that they can be positioned on the operating table 1 through the groove 11. Handles 24 are fixed on both sides of the guide frame 2. The handles 24 are fixed to the side surfaces of the guide frame 2 by welding. The guide frame 2 can be easily lifted and replaced through the handles 24.

[0028] Furthermore, the surface of the operating table 1 within the groove 11 is also evenly provided with multiple slots 12. Each slot 12 has an electric push rod 3 vertically installed at the bottom of the operating table 1. The extended end of the electric push rod 3 passes through the slot 12 and is fixed with a support plate 31 placed in the slot 12. After the LCD screen is tested, the support plate 31 located inside the bottom opening 21 can be controlled to be supported by the electric push rod 3, thereby supporting and lifting the LCD screen to facilitate its removal. When using a small bottom opening 21, if there is a support rod located outside the bottom opening 21, the corresponding support plate 31 will not be supported and lifted by the electric push rod 3 to avoid interference with the bottom of the guide frame 2.

[0029] Meanwhile, a rubber pad 311 is fixedly attached to the upper surface of the support plate 31. The diameter of the rubber pad 311 is smaller than the diameter of the support plate 31. When the support plate 31 is lowered into the plate groove 12, the height of the rubber pad 311 on the surface of the support plate 31 is less than the height of the upper part of the plate groove 12. When testing the LCD screen, the rubber pad 311 will not be higher than the plate groove 12 and contact the LCD screen. When the support plate 31 is lifted, the support plate 31 will contact the LCD screen through the rubber pad 311 on its surface, which has the functions of anti-slip and protection.

[0030] A side opening 23 is provided on the inclined surface 22 on the side of the bottom opening 21. The side opening 23 extends vertically to the bottom of the guide frame 2. When the LCD screen is placed in the center of the bottom opening 21 for testing, its ribbon cable can extend to the top through the side opening 23, so as to facilitate connection with the screen driver support plate 31 and facilitate lighting up the screen for testing.

[0031] In use, connect the control switch of the electric push rod 3 to the power supply, hold the guide frame 2 with the handle 24 and place it into the groove 11 on the surface of the operating table 1. The size of the bottom opening 21 is the size of the LCD screen to be positioned and inspected. Then, the display surface of the LCD screen can be placed facing upwards inside the upper part of the guide frame 2. Then, under the action of gravity and the guiding action of the inclined plane 22, the LCD screen slides down to the bottom opening 21 of the guide frame 2 and is supported on the surface of the operating table 1. Then, the appearance of the LCD screen surface can be inspected. The LCD screen ribbon cable can also be extended from the side opening 23 to the top and connected to the screen driver motherboard to power on the screen for display testing. After the test is completed, disconnect the connection. Then, control the support plate 31 located inside the bottom opening 21 to be driven and supported by the electric push rod 3, thereby supporting and lifting the LCD screen to facilitate its removal. Then, the electric push rod 3 drives the support plate 31 to reset and continue the centering and positioning correction of the LCD screen. When testing LCD screens of other sizes, a guide frame 2 with a bottom opening 21 of other sizes can be replaced and placed on the surface of the worktable 1 in the same manner before testing.

Claims

1. A calibration mechanism for an LCD screen module, comprising an operating table (1) and a guide frame (2), characterized in that: The operating table (1) has a groove (11) in the middle of its surface. The guide frame (2) is supported in the groove (11) on the surface of the operating table (1). The guide frame (2) has an opening above it and a bottom opening (21) smaller than the opening at the bottom. A smooth inclined surface (22) is provided between the opening and the bottom opening (21) for guiding transition. The surface of the operating table (1) in the groove (11) is also evenly provided with multiple plate grooves (12). The bottom of the operating table (1) below the plate groove (12) is vertically installed with an electric push rod (3). The extended end of the electric push rod (3) passes through the plate groove (12) and is fixed with a support plate (31) placed in the plate groove (12).

2. The calibration mechanism for the LCD screen module according to claim 1, characterized in that: A side opening (23) is provided on the inclined surface (22) on the side of the bottom opening (21), and the side opening (23) extends vertically to the bottom of the guide frame (2).

3. The calibration mechanism for the LCD screen module according to claim 1, characterized in that: Handles (24) are fixed to both sides of the guide frame (2), and the handles (24) are fixed to the side surfaces of the guide frame (2) by welding.

4. The calibration mechanism for the LCD screen module according to claim 1, characterized in that: A rubber pad (311) is attached and fixed to the upper surface of the support plate (31), and the diameter of the rubber pad (311) is smaller than the diameter of the support plate (31).

5. The calibration mechanism for the LCD screen module according to claim 4, characterized in that: When the support plate (31) is lowered into the groove (12), the height of the rubber pad (311) on the surface of the support plate (31) is less than the height above the groove (12).

6. The calibration mechanism for the LCD screen module according to claim 1, characterized in that: The bottom four corners of the operating table (1) are all supported and fixed with legs (13), and at least four legs (13) are provided.

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