Liquid crystal module detection device

Abstract

The utility model discloses a liquid crystal module detection device which comprises a base, the left side of the top of the base is fixedly connected with a side frame, the right side of the side frame is provided with a front-back moving assembly, the front-back moving assembly comprises a first motor fixedly installed on the right side of the side frame, and the rear end of the right side of the side frame is fixedly provided with a bearing seat. According to the utility model, the liquid crystal screen is fixed through the clamp, so that the display surface of the liquid crystal screen faces the camera body, the front-back moving assembly can drive the camera body to move front and back through the U-shaped plate and the longitudinal moving assembly, and the longitudinal moving assembly can enable the camera body to move up and down; according to the invention, the camera body can automatically carry out omnibearing detection on the liquid crystal display screen without missing detection, and the purposes of enabling the industrial camera to automatically carry out over-detection on the liquid crystal display screen obtained in a fixed state through a transverse moving and longitudinal moving structure, reducing human input and improving detection efficiency can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of liquid crystal screen detection, in particular to a liquid crystal module detection device. Background Art

[0002] The system performs automated optical inspection on LCD screens when they are lit. It is applied to lighting defect detection of LCD screens and flat panel displays (LCD, plasma, organic EL, etc.), defect detection of glass and metal surfaces, and defect detection of metal films and plastic films. It can effectively detect low-contrast defects such as dots, lines, and mura.

[0003] During the inspection process, a high-resolution industrial camera is used. During the inspection process, the camera position needs to be frequently switched to ensure comprehensive inspection of the LCD screen. Frequent manual switching of the camera position is prone to missed inspections. Therefore, we designed a LCD module inspection device. Through the horizontal and vertical movement structure, the industrial camera automatically inspects the LCD screen in a fixed state, reducing manpower input and improving inspection efficiency. Utility Model Content

[0004] The purpose of the present utility model is to provide a liquid crystal module detection device, which has the advantages of automatically detecting the liquid crystal display screen obtained in a fixed state through a structure of horizontal and vertical movement, reducing manpower input and improving detection efficiency, so as to solve the above-mentioned background technical problems.

[0005] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: A liquid crystal module detection device comprises a base: a side frame is fixedly connected to the left side of the top of the base, a forward and backward moving component is provided on the right side of the side frame, the forward and backward moving component comprises a motor 1 fixedly installed on the right side of the side frame, a bearing seat is fixedly installed on the rear end of the right side of the side frame, a threaded rod 1 is fixedly installed on the output shaft of the motor 1, the rear end of the threaded rod 1 is rotatably connected to the bearing seat, a threaded sleeve 1 is threadedly connected to the surface of the threaded rod 1, a U-shaped plate is fixedly installed on the right side of the threaded sleeve 1, a longitudinal moving component is provided on the U-shaped plate, a camera body is installed on the right side of the longitudinal moving component, a clamp is provided on the top of the base, and an LCD screen is installed on the clamp.

[0006] Preferably, the four corners on the right side of the side frame are fixedly connected with mounting seats, a guide rod 1 is fixedly connected between two mounting seats in the horizontal direction, the surface of the guide rod 1 is slidably connected to two sliding seats 1, and the sliding seat 1 is fixedly connected to the U-shaped plate.

[0007] Preferably, the longitudinal moving component includes a threaded rod 2 longitudinally rotatably connected to the inner cavity of the U-shaped plate, a motor 2 is fixedly installed on the top of the U-shaped plate, the output shaft of the motor 2 is fixedly connected to the threaded rod 2, the surface of the threaded rod 2 is threadedly connected to a threaded sleeve 2, and the camera body is fixedly installed on the right side of the threaded sleeve 2.

[0008] Preferably, the inner cavity of the U-shaped plate is fixedly connected to two symmetrical guide rods 2, the surface of the guide rods 2 is slidably connected to a sliding seat 2, and one side of the sliding seat 2 is fixedly connected to the threaded sleeve 2.

[0009] Preferably, the clamp includes a clamp seat fixedly connected to the top of the base, a short screw threadedly connected to the clamp seat is provided through one side of the clamp seat, one end of the short screw extends to the inner cavity of the clamp seat and is rotatably connected to a splint, and the LCD screen is located between the splint and the inner wall of the clamp seat.

[0010] The beneficial effects of the utility model are:

[0011] 1. The utility model fixes the LCD screen by a clamp so that the display surface of the LCD screen faces the camera body. During this period, the forward and backward moving component can drive the camera body to move forward and backward through the U-shaped plate and the longitudinal moving component. The longitudinal moving component can move the camera body up and down, so that the camera body can automatically perform all-round inspection of the LCD screen without missing any inspection. The purpose of automatically inspecting the LCD screen obtained in a fixed state by the horizontal and longitudinal moving structure is achieved, thereby reducing manpower input and improving inspection efficiency.

[0012] 2. The present invention cooperates with the guide rod 2 and the sliding seat 2. When the threaded sleeve 2 moves up and down, the sliding seat 2 will be driven to slide up and down on the surface of the guide rod 2, providing guidance and limiting for the movement of the threaded sleeve 2, thereby avoiding the lateral deviation of the threaded sleeve 2 and the camera body, and improving the stability of the camera body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The above and / or other advantages of the present invention will become clearer and easier to understand through the detailed description made in conjunction with the following drawings. These drawings are only illustrative and do not limit the present invention, wherein:

[0014] Figure 1 This is a three-dimensional schematic diagram of an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the base, side frame and front and rear moving components of an embodiment of the utility model;

[0016] Figure 3This is a three-dimensional schematic diagram of a U-shaped plate and a longitudinal moving component according to an embodiment of the present invention.

[0017] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0018] 1. Base, 2. Side frame, 3. Forward and backward moving assembly, 31. Motor 1, 32. Bearing seat, 33. Threaded rod 1, 34. Threaded sleeve 1, 35. Mounting seat, 36. Guide rod 1, 37. Sliding seat 1, 4. U-shaped plate, 5. Longitudinal moving assembly, 51. Threaded rod 2, 52. Motor 2, 53. Threaded sleeve 2, 54. Guide rod 2, 55. Sliding seat 2, 6. Camera body, 7. Clamp, 71. Clamp seat, 72. Short screw, 73. Clamp, 8. LCD screen. DETAILED DESCRIPTION

[0019] Hereinafter, embodiments of the liquid crystal module detection device of the present invention will be described with reference to the accompanying drawings.

[0020] Figure 1-3The liquid crystal module detection device of an embodiment of the present invention is shown, which includes a base 1: a side frame 2 is fixedly connected to the left side of the top of the base 1, and a forward and backward moving component 3 is provided on the right side of the side frame 2. The forward and backward moving component 3 includes a motor 31 fixedly installed on the right side of the side frame 2, a bearing seat 32 is fixedly installed on the rear end of the right side of the side frame 2, a threaded rod 33 is fixedly installed on the output shaft of the motor 31, the rear end of the threaded rod 33 is rotatably connected to the bearing seat 32, the surface of the threaded rod 33 is threadedly connected to a threaded sleeve 34, and the right side of the threaded sleeve 34 A U-shaped plate 4 is fixedly installed, and the four corners on the right side of the side frame 2 are fixedly connected to the mounting seats 35. A guide rod 36 is fixedly connected between the two mounting seats 35 in the horizontal direction. The surface of the guide rod 36 is slidably connected to two sliding seats 37. The sliding seat 37 is fixedly connected to the U-shaped plate 4. A longitudinal moving component 5 is provided on the U-shaped plate 4. A camera body 6 is installed on the right side of the longitudinal moving component 5. The longitudinal moving component 5 includes a threaded rod 51 connected to the inner cavity of the U-shaped plate 4 for longitudinal rotation. A motor 52 is fixedly installed on the top of the U-shaped plate 4. The motor 52 The output shaft is fixedly connected to the threaded rod 2 51, and the surface of the threaded rod 2 51 is threadedly connected with a threaded sleeve 2 53. The camera body 6 is fixedly installed on the right side of the threaded sleeve 2 53. The inner cavity of the U-shaped plate 4 is fixedly connected to two symmetrical guide rods 2 54. The surface of the guide rod 2 54 is slidably connected with a sliding seat 2 55. One side of the sliding seat 2 55 is fixedly connected to the threaded sleeve 2 53. Through the cooperation of the guide rod 2 54 and the sliding seat 2 55, the threaded sleeve 2 53 will drive the sliding seat 2 55 to slide up and down on the surface of the guide rod 2 54 during the up and down movement of the threaded sleeve 2 The threaded sleeve 2 53 is moved to provide guidance and limitation, thereby avoiding the lateral deviation of the threaded sleeve 2 53 and the camera body 6, and improving the stability of the camera body 6. A clamp 7 is provided on the top of the base 1, and an LCD screen 8 is installed on the clamp 7. The clamp 7 includes a clamp seat 71 fixedly connected to the top of the base 1, and a short screw 72 threadedly connected to the clamp seat 71 is provided on one side of the clamp seat 71. One end of the short screw 72 extends to the inner cavity of the clamp seat 71 and is rotatably connected to the clamp plate 73. The LCD screen 8 is located between the clamp plate 73 and the inner wall of the clamp seat 71.

[0021] Working principle: When the present invention is used, the user places the LCD screen 8 in the inner cavity of the clamp seat 71, and rotates the short screw 72 to make the clamp plate 73 move in the inner cavity of the clamp seat 71. The clamp plate 73 cooperates with the inner wall of the clamp seat 71 to fix the LCD screen 8 so that the display surface of the LCD screen 8 faces the camera body 6. During this period, the motor 131 works to drive the threaded rod 133 to rotate, and due to the thread, the threaded sleeve 134 moves back and forth. The threaded sleeve 134 drives the U-shaped plate 4 to move back and forth, and the U-shaped plate 4 drives the sliding seat 137 to move on the surface of the guide rod 136, thereby improving the stability of the back and forth movement of the U-shaped plate 4. The U-shaped plate 4 drives the camera body 6 to move back and forth through the longitudinal moving component 5 to detect the LCD screen 8. The motor 252 drives the threaded rod 251 to rotate, and then the threaded sleeve 253 drives the camera body 6 to move up and down. The camera body 6 automatically moves up, down, left and right, so that the camera body 6 can automatically perform all-round detection on the LCD screen 8 without missing any inspection.

[0022] To sum up: the liquid crystal module detection device fixes the liquid crystal screen 8 through the clamp 7, so that the display surface of the liquid crystal screen 8 faces the camera body 6. During this period, the forward and backward moving component 3 can drive the camera body 6 to move forward and backward through the U-shaped plate 4 and the longitudinal moving component 5. The longitudinal moving component 5 can make the camera body 6 move up and down, so that the camera body 6 can automatically perform all-round detection of the liquid crystal screen 8 without missing any inspection. The purpose of automatically inspecting the liquid crystal display screen obtained in a fixed state by the horizontal and longitudinal moving structure can be achieved, thereby reducing manpower input and improving detection efficiency.

Claims

1. A liquid crystal module detection device, characterized in that: The invention comprises a base (1): a side frame (2) is fixedly connected to the left side of the top of the base (1); a front-back moving assembly (3) is provided on the right side of the side frame (2); the front-back moving assembly (3) comprises a motor (31) fixedly installed on the right side of the side frame (2); a bearing seat (32) is fixedly installed on the rear end of the right side of the side frame (2); a threaded rod (33) is fixedly installed on the output shaft of the motor (31); the rear end of the threaded rod (33) is rotatably connected to the bearing seat (32); a threaded sleeve (34) is threadedly connected to the surface of the threaded rod (33); a U-shaped plate (4) is fixedly installed on the right side of the threaded sleeve (34); a longitudinal moving assembly (5) is provided on the U-shaped plate (4); a camera body (6) is installed on the right side of the longitudinal moving assembly (5); a clamp (7) is provided on the top of the base (1); a liquid crystal screen (8) is installed on the clamp (7).

2. The liquid crystal module detection device according to claim 1, characterized in that: The four corners on the right side of the side frame (2) are fixedly connected to mounting seats (35), a guide rod (36) is fixedly connected between two mounting seats (35) in the horizontal direction, and two sliding seats (37) are slidably connected to the surface of the guide rod (36), and the sliding seat (37) is fixedly connected to the U-shaped plate (4).

3. The liquid crystal module detection device according to claim 2, characterized in that: The longitudinal moving assembly (5) includes a second threaded rod (51) longitudinally rotatably connected to the inner cavity of the U-shaped plate (4), a second motor (52) is fixedly installed on the top of the U-shaped plate (4), an output shaft of the second motor (52) is fixedly connected to the second threaded rod (51), a second threaded sleeve (53) is threadedly connected to the surface of the second threaded rod (51), and the camera body (6) is fixedly installed on the right side of the second threaded sleeve (53).

4. The liquid crystal module detection device according to claim 3, characterized in that: The inner cavity of the U-shaped plate (4) is fixedly connected to two symmetrical guide rods (54), the surface of the guide rods (54) is slidably connected to a sliding seat (55), and one side of the sliding seat (55) is fixedly connected to the threaded sleeve (53).

5. The liquid crystal module detection device according to claim 4, characterized in that: The clamp (7) comprises a clamp seat (71) fixedly connected to the top of the base (1); a short screw (72) threadedly connected to the clamp seat (71) is provided through one side of the clamp seat (71); one end of the short screw (72) extends to the inner cavity of the clamp seat (71) and is rotatably connected to a clamp plate (73); the liquid crystal screen (8) is located between the clamp plate (73) and the inner wall of the clamp seat (71).

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