A liquid crystal panel defect inspection mechanism

Abstract

The utility model relates to the technical field of liquid crystal panel defect inspection, and discloses a liquid crystal panel defect inspection mechanism, including a workbench, the top of the workbench is provided with two groups of slide grooves, the inside of the slide grooves is slidably connected with a pressure plate, and the edge of one side of the top surface of the workbench is fixedly connected with a motor box. The liquid crystal panel defect inspection mechanism, through the arrangement of a driving mechanism, a pressure plate and a screw A, when in use, places the liquid crystal panel body on the workbench, starts the servo motor on one side, and the servo motor drives the main gear on one side and the auxiliary gear meshing with the surface of the main gear to rotate, thereby rotating the screw A on one side of the auxiliary gear, and the screw A drives the pressure plate threadedly connected on the surface to slide inside the slide groove on the workbench, so as to achieve the effect of fixing the liquid crystal panel bodies of different sizes placed on the workbench, without the need to replace fixtures of other sizes, thereby improving the practicality of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal panel defect inspection, in particular to a liquid crystal panel defect inspection mechanism. Background Art

[0002] Liquid Crystal Display Panel (LCD Panel) is an electronic display device that uses the characteristics of liquid crystal to display information. Liquid crystal itself does not emit light, so the LCD panel needs to rely on external light sources to display images. This display technology is widely used in televisions, computer monitors, mobile phone screens, tablets, and many other electronic devices. There may be various defects in the production process of LCD panels, such as dead pixels, bright spots, dark spots, color spots, etc. These defects not only affect the appearance and quality of the product, but also its performance and reliability, so accurate and efficient defect inspection is required.

[0003] Traditional LCD panel defect inspection methods have limitations and challenges, such as low efficiency and limited accuracy of manual inspection, and inability to meet the needs of large-scale production and high-speed production lines. Therefore, a LCD panel defect inspection mechanism is proposed.

[0004] Currently, the LCD panel defect inspection mechanism on the market has the following disadvantages: when in use, it is not easy to clamp and fix LCD panels of different sizes and adjust the height and position of the projector to ensure that the surface of the LCD panel can be evenly illuminated.

[0005] Therefore, it is necessary to invent a liquid crystal panel defect inspection mechanism to solve the above problems. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The technical problem solved by the utility model is to provide a liquid crystal panel defect inspection mechanism which is highly practical, can be operated simply and has a relatively simple structure, thereby solving the problem in the above background technology that it is not easy to clamp and fix liquid crystal panels of different sizes and adjust the height and position of the projector.

[0008] (II) Technical solution

[0009] To achieve the above objectives, the utility model is implemented through the following technical solutions: a liquid crystal panel defect inspection mechanism, including a workbench, the top of the workbench is provided with two sets of slide grooves, the inside of the slide grooves is slidably connected to a pressure plate, the edge of one side of the top surface of the workbench is fixedly connected to a motor box, the inside of the motor box is fixedly connected to a driving mechanism, one end of the driving mechanism is fixedly connected to a screw A, one side of the pressure plate is overlapped with a liquid crystal panel body, one end of the liquid crystal panel body is overlapped with a support plate, the front of the workbench is fixedly connected to a support column, the inside of the support column is slidably connected to an extension column, one side of the support column is fixedly connected to a telescopic mechanism, one side of the extension column is fixedly connected to a shading plate, the edge of one side of the top surface of the shading plate is fixedly connected to a moving mechanism, and the surface of the moving mechanism is threadedly connected to a projector body.

[0010] As a further solution of the utility model, the driving mechanism includes a servo motor fixedly connected to the inside of the motor box, the output end of the servo motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to a main gear, the surface of the main gear is meshed with an auxiliary gear, and the auxiliary gear is fixedly connected to one side of the screw rod A, so that the servo motor can drive the screw rod A on one side to rotate.

[0011] As a further solution of the utility model, the telescopic mechanism includes an electric push rod fixedly connected to one side of the support column, and one side of the electric push rod is electrically connected to a battery through a power line, so that the battery is convenient for continuous power supply.

[0012] As a further solution of the utility model, the moving mechanism includes a driving motor fixedly connected to an edge of one side of the top surface of the shading plate, and one end of the driving motor is fixedly connected to a screw rod B, which is convenient for driving the projector body on the surface to move.

[0013] As a further solution of the utility model, the pressure plate is threadedly connected to the surface of the screw rod A, and one side of the pressure plate is slidably connected to a limiting rod, which is convenient for limiting the pressure plate.

[0014] As a further solution of the utility model, a sliding groove is provided on the surface of the shading plate, and the projector body is slidably connected to the inside of the sliding groove, and the sliding groove is convenient for limiting the position of the projector body.

[0015] As a further solution of the utility model, four groups of threaded holes are opened on the surface of the workbench, and the internal threads of the threaded holes are connected with threaded columns, which are convenient for improving the stability of the equipment.

[0016] (III) Beneficial effects

[0017] The utility model provides a liquid crystal panel defect inspection mechanism, which has the following beneficial effects:

[0018] 1. The LCD panel defect inspection mechanism is provided with a driving mechanism, a pressure plate and a screw A. When in use, the LCD panel body is placed on a workbench, and the servo motor on one side is started. The servo motor drives the main gear on one side and the auxiliary gear meshing on the surface of the main gear to rotate, thereby rotating the screw A on the side of the auxiliary gear. The screw A drives the pressure plate with a threaded surface to slide inside the slide groove on the workbench, so as to achieve the effect of fixing the LCD panel bodies of different sizes placed on the workbench, without replacing fixtures of other sizes, thereby improving the practicability of the equipment.

[0019] 2. The LCD panel defect inspection mechanism, through the setting of the telescopic mechanism, the moving mechanism and the projector body, when performing light detection, the power is turned on, and the electric push rod on one side is started. The electric push rod drives the extension column to slide inside the support column, so as to adjust the height of the shading plate at one end of the extension column and the distance from the projector body to the LCD panel body directly below. Secondly, the drive motor on the top of the shading plate is started, and the drive motor drives the screw rod B on one side to rotate, so that the projector body threadedly connected to the surface of the screw rod B moves left and right on the screw rod B. By adjusting the height and horizontal position of the projector body, it can be effectively ensured that the surface of the LCD panel body can be evenly illuminated, and the projector body projects an appropriate test pattern or image onto the LCD panel body for the staff to conduct inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the mobile mechanism of the utility model;

[0022] Figure 3 This is a schematic diagram of the telescopic mechanism structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the driving mechanism structure of the utility model.

[0024] In the figure: 1. workbench; 2. pressure plate; 3. motor box; 4. driving mechanism; 401. servo motor; 402. transmission rod; 403. main gear; 404. auxiliary gear; 5. screw A; 6. liquid crystal panel body; 7. support plate; 8. support column; 9. extension column; 10. telescopic mechanism; 1001. electric push rod; 1002. battery; 11. sunshade; 12. moving mechanism; 1201. driving motor; 1202. screw B; 13. projector body; 14. limit rod; 15. threaded column. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 4 The utility model provides a technical solution: a liquid crystal panel defect inspection mechanism, including a workbench 1, the top of the workbench 1 is provided with two sets of slide grooves, the inside of the slide grooves is slidably connected with a pressure plate 2, the edge of one side of the top surface of the workbench 1 is fixedly connected with a motor box 3, the inside of the motor box 3 is fixedly connected with a driving mechanism 4, through the arrangement of the driving mechanism 4, the pressure plate 2 and the screw rod A5, there is no need to replace the fixtures of other sizes, which improves the practicality of the equipment, one end of the driving mechanism 4 is fixedly connected with the screw rod A5, one side of the pressure plate 2 is overlapped with a liquid crystal panel body 6, one end of the liquid crystal panel body 6 is overlapped with a support plate 7, the workbench 1 is fixedly connected to the front of the projector 1, and an extension column 9 is slidably connected to the inside of the projector 8. A telescopic mechanism 10 is fixedly connected to one side of the projector 8, and a shading plate 11 is fixedly connected to one side of the extension column 9. A moving mechanism 12 is fixedly connected to the edge of one side of the top surface of the shading plate 11. Through the arrangement of the telescopic mechanism 10, the moving mechanism 12, and the projector body 13, it can effectively ensure that the surface of the liquid crystal panel body 6 can be evenly illuminated. The projector body 13 projects an appropriate test pattern or image onto the liquid crystal panel body 6 so that the staff can perform inspection. The surface of the moving mechanism 12 is threadedly connected to the projector body 13.

[0027] See also Figure 4 The driving mechanism 4 includes a servo motor 401 fixedly connected to the inside of the motor box 3, the output end of the servo motor 401 is spline-connected with a transmission rod 402, one end of the transmission rod 402 is fixedly connected with a main gear 403, the surface of the main gear 403 is meshed with an auxiliary gear 404, and the auxiliary gear 404 is fixedly connected to one side of the screw rod A5, so that the servo motor 401 can easily drive the screw rod A5 on one side to rotate;

[0028] See also Figure 3 The telescopic mechanism 10 includes an electric push rod 1001 fixedly connected to one side of the support column 8, and one side of the electric push rod 1001 is electrically connected to a battery 1002 through a power line, and the battery 1002 is convenient for continuous power supply;

[0029] See also Figure 2 The moving mechanism 12 includes a driving motor 1201 fixedly connected to an edge of one side of the top surface of the shading plate 11, and one end of the driving motor 1201 is fixedly connected to a screw rod B1202, which is convenient for driving the projector body 13 on the surface to move;

[0030] See also Figure 1 The pressure plate 2 is threadedly connected to the surface of the screw rod A5, and one side of the pressure plate 2 is slidably connected to a limit rod 14, which is convenient for limiting the pressure plate 2;

[0031] See also Figure 2 A slide groove is provided on the surface of the shading plate 11, and the projector body 13 is slidably connected inside the slide groove, and the slide groove is convenient for limiting the projector body 13;

[0032] See also Figure 1 The surface of the workbench 1 is provided with four groups of threaded holes, and the internal threads of the threaded holes are connected with threaded columns 15, which are convenient for improving the stability of the equipment.

[0033] In the utility model, the working steps of the device are as follows:

[0034] Step 1: When in use, place the liquid crystal panel body 6 on the workbench 1, start the servo motor 401 on one side, the servo motor 401 drives the main gear 403 on one side and the auxiliary gear 404 meshing on the surface of the main gear 403 to rotate, thereby rotating the screw rod A5 on one side of the auxiliary gear 404, and the screw rod A5 drives the pressure plate 2 with a threaded surface connected to slide inside the slide groove on the workbench 1, so as to fix the liquid crystal panel bodies 6 of different sizes placed on the workbench 1;

[0035] The second step: when performing light detection, turn on the power and start the electric push rod 1001 on one side. The electric push rod 1001 drives the extension column 9 to slide inside the support column 8, so as to adjust the height of the shading plate 11 at one end of the extension column 9 and the distance from the projector body 13 to the liquid crystal panel body 6 directly below. Secondly, start the drive motor 1201 on the top of the shading plate 11. The drive motor 1201 drives the screw rod B1202 on one side to rotate, so that the projector body 13 threadedly connected to the surface of the screw rod B1202 moves left and right on the screw rod B1202.

[0036] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0037] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid crystal panel defect inspection mechanism, comprising a workbench (1), characterized in that: The top of the workbench (1) is provided with two groups of slide grooves, the interior of the slide grooves is slidably connected to a pressure plate (2), the edge of one side of the top surface of the workbench (1) is fixedly connected to a motor box (3), the interior of the motor box (3) is fixedly connected to a driving mechanism (4), one end of the driving mechanism (4) is fixedly connected to a screw rod A (5), one side of the pressure plate (2) is overlapped with a liquid crystal panel body (6), one end of the liquid crystal panel body (6) is overlapped with a support plate (7), the front of the workbench (1) is fixedly connected to a support column (8), the interior of the support column (8) is slidably connected to an extension column (9), one side of the support column (8) is fixedly connected to a telescopic mechanism (10), one side of the extension column (9) is fixedly connected to a shading plate (11), the edge of one side of the top surface of the shading plate (11) is fixedly connected to a moving mechanism (12), and the surface of the moving mechanism (12) is threadedly connected to a projector body (13).

2. The liquid crystal panel defect inspection mechanism according to claim 1, characterized in that: The driving mechanism (4) comprises a servo motor (401) fixedly connected to the inside of the motor box (3); the output end of the servo motor (401) is spline-connected to a transmission rod (402); one end of the transmission rod (402) is fixedly connected to a main gear (403); the surface of the main gear (403) is meshed with an auxiliary gear (404); and the auxiliary gear (404) is fixedly connected to one side of the screw rod A (5).

3. The liquid crystal panel defect inspection mechanism according to claim 1, characterized in that: The telescopic mechanism (10) comprises an electric push rod (1001) fixedly connected to one side of a support column (8); one side of the electric push rod (1001) is electrically connected to a storage battery (1002) via a power line.

4. The liquid crystal panel defect inspection mechanism according to claim 1, characterized in that: The moving mechanism (12) comprises a driving motor (1201) fixedly connected to an edge of one side of the top surface of the shading plate (11), and one end of the driving motor (1201) is fixedly connected to a screw rod B (1202).

5. The liquid crystal panel defect inspection mechanism according to claim 1, characterized in that: The pressure plate (2) is threadedly connected to the surface of the screw rod A (5), and one side of the pressure plate (2) is slidably connected to a limit rod (14).

6. The liquid crystal panel defect inspection mechanism according to claim 1, characterized in that: A sliding groove is provided on the surface of the shading plate (11), and the projector body (13) is slidably connected inside the sliding groove.

7. The liquid crystal panel defect inspection mechanism according to claim 1, characterized in that: Four groups of threaded holes are provided on the surface of the workbench (1), and threaded columns (15) are connected to the internal threads of the threaded holes.

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