LCD assembly gap detection device

Abstract

The utility model relates to the technical field of LCD assembly, in particular to an LCD assembly gap detection device which comprises a base, the top of the base is connected with an installation shell through bolts, the top of the installation shell is provided with a positioning mechanism, the bottom of the base is provided with a driving mechanism, and the driving mechanism comprises a movable frame. And a first electric telescopic rod is arranged at the top of the movable frame in a penetrating manner. The LCD screen to be detected is placed at the top of the rotary adsorption head, the air pump is used for exhausting air in the rotary adsorption head, so that negative pressure is generated between the rotary adsorption head and the LCD screen, the rotary adsorption head is used for adsorbing the LCD screen, and the first electric telescopic rod does telescopic motion to drive the mounting frame, the second lead screw and the threaded block to do up-and-down motion, so that the LCD screen is detected. And a threaded block drives a connecting column, a mounting plate, a second electric telescopic rod, a connecting block, a movable shell, a cleaning roller and an infrared detector to move up and down.

Description

Technical Field

[0001] The utility model relates to the technical field of LCD assembly, in particular to an LCD assembly gap detection device. Background Art

[0002] Liquid crystal display is a type of flat-panel display used for television and computer screen displays. The advantages of this display are low power consumption, small size, and low radiation. When assembling the LCD, its splicing gaps are usually detected, so a gap detection device is needed.

[0003] After searching, the patent number is CN217007899U, and the name is a utility model of an LCD screen detection device, including a detection plate and a mounting plate. Through research and analysis, it is found that although it has the advantage of improving the stability of the slider, thereby facilitating the clamping of the LCD screen firmly, it still has the following disadvantages to a certain extent.

[0004] For example, during use, the device is not convenient for positioning the LCD screen, it will move during the detection process, making it inconvenient to detect it, and it is not convenient to clean the surface of the LCD screen. The dust on the surface will block the gap, which can easily affect the detection results. In order to solve the above technical problems, we have designed an LCD assembly gap detection device. Utility Model Content

[0005] The purpose of the utility model is to provide an LCD assembly gap detection device, which has the advantages of being easy to position and easy to clean its surface, and solves the problems that the device is not convenient for positioning the LCD screen during use, moves during the detection process, is not convenient for detection, is not convenient for cleaning the surface of the LCD screen, and dust on the surface will block the gap, which is easy to affect the detection result.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an LCD assembly gap detection device, comprising a base, the top of the base is connected to a mounting shell by bolts, the top of the mounting shell is provided with a positioning mechanism, the bottom of the base is provided with a driving mechanism, the driving mechanism comprises a movable frame, the top of the movable frame is penetrated by a first electric telescopic rod, the bottom of the first electric telescopic rod is connected to a mounting frame by bolts, the inner cavity of the mounting frame is rotatably connected to a second screw rod, the front side of the mounting frame is connected to a third motor by bolts, the transmission shaft of the third motor is connected to the second screw rod by bolts, the surface thread sleeve of the second screw rod is provided with a threaded block, and the bottom of the threaded block is provided with a cleaning detection mechanism.

[0007] Preferably, the cleaning and detection mechanism includes a connecting column, the top of the connecting column is connected to the threaded block by bolts, the bottom of the connecting column is connected to a mounting plate by bolts, the top of the mounting plate is connected to a second electric telescopic rod by bolts, the surface of the second electric telescopic rod is connected to a connecting block by bolts, the bottom of the connecting block is connected to a movable shell by bolts, the inner cavity of the movable shell is rotatably connected to a cleaning roller, the surface of the movable shell is connected to a fourth motor by bolts, the drive shaft of the fourth motor is connected to the cleaning roller by bolts, and the front side of the movable shell is connected to an infrared detector by bolts.

[0008] Preferably, the driving mechanism includes a vertical plate, the top of the vertical plate is connected to the base by bolts, the opposite side of the vertical plate is rotatably connected to a first screw rod, the surface of the vertical plate is connected to a second motor by bolts, the transmission shaft of the second motor is connected to the first screw rod by bolts, and the surface of the first screw rod is threadedly connected to the movable frame.

[0009] Preferably, a first guide rod is connected to an opposite side of the vertical plate via bolts, and a surface of the first guide rod is slidably connected to the movable frame.

[0010] Preferably, the positioning mechanism includes a first motor, the top of the first motor is connected to the mounting shell by bolts, the transmission shaft of the first motor passes through the top of the mounting shell and is connected to a rotating plate by bolts, the top of the rotating plate is connected to a support column by bolts, the top of the support column is rotatably connected to a rotating adsorption head, the top of the rotating plate is connected to an air pump by bolts, the air pump's exhaust pipe is connected to the rotating adsorption head through a pipeline, the bottom of the rotating plate is connected to a support ring by bolts, and the bottom of the support ring is slidably connected to the mounting shell.

[0011] Preferably, the inner cavity of the mounting frame is connected to a second guide rod via bolts, and the surface of the second guide rod is slidably connected to the threaded block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model places the LCD screen to be inspected on the top of the rotating adsorption head, uses an air pump to evacuate the rotating adsorption head, so that negative pressure is generated between the rotating adsorption head and the LCD screen, and adsorbs the LCD screen through the rotating adsorption head. During the inspection process, the rotating plate is driven to rotate by the transmission shaft of the first motor, and the supporting column, the rotating adsorption head and the LCD screen are driven to rotate by the rotating plate, so as to adjust the inspection position, so as to facilitate comprehensive inspection of its surface;

[0014] 2. The utility model drives the mounting frame, the second screw rod and the threaded block to move up and down by telescopic movement of the first electric telescopic rod, drives the connecting column, the mounting plate, the second electric telescopic rod, the connecting block, the movable shell, the cleaning roller and the infrared detector to move up and down by the threaded block, so that the bottom of the cleaning roller contacts the LCD screen, drives the cleaning roller to rotate by the transmission shaft of the fourth motor, cleans the surface of the LCD screen by the cleaning roller, can facilitate the removal of dust on the surface of the LCD screen, facilitates the removal of debris in the gaps on the surface of the LCD screen, and then detects the gaps on the surface of the LCD screen by the infrared detector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the axonometric drawing of the structure of the utility model;

[0016] Figure 2 It is a stereogram of the connection column and the infrared detector of the utility model;

[0017] Figure 3 It is a three-dimensional diagram of the base and the movable frame of the utility model;

[0018] Figure 4 It is a stereoscopic diagram of the first motor and the air pump of the utility model.

[0019] In the figure: 1. base; 2. mounting shell; 3. first motor; 4. rotating plate; 5. supporting column; 6. rotating adsorption head; 7. air pump; 8. vertical plate; 9. second motor; 10. first screw rod; 11. movable frame; 12. first electric telescopic rod; 13. mounting frame; 14. second screw rod; 15. third motor; 16. threaded block; 17. connecting column; 18. mounting plate; 19. second electric telescopic rod; 20. connecting block; 21. movable shell; 22. fourth motor; 23. cleaning roller; 24. infrared detector; 25. cleaning detection mechanism; 26. driving mechanism; 27. positioning mechanism. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 4 A LCD assembly gap detection device includes a base 1, a mounting shell 2 is connected to the top of the base 1 by bolts, a positioning mechanism 27 is arranged on the top of the mounting shell 2, a driving mechanism 26 is arranged on the bottom of the base 1, and the driving mechanism 26 includes a movable frame 11, a first electric telescopic rod 12 is penetrated through the top of the movable frame 11, a mounting frame 13 is connected to the bottom of the first electric telescopic rod 12 by bolts, a second screw rod 14 is rotatably connected to the inner cavity of the mounting frame 13, a third motor 15 is connected to the front side of the mounting frame 13 by bolts, a transmission shaft of the third motor 15 is connected to the second screw rod 14 by bolts, a threaded block 16 is provided on the surface thread of the second screw rod 14, and a cleaning detection mechanism 25 is arranged at the bottom of the threaded block 16.

[0021] See also Figure 1 and Figure 2 The cleaning detection mechanism 25 includes a connecting column 17, the top of the connecting column 17 is connected to the threaded block 16 by bolts, the bottom of the connecting column 17 is connected to a mounting plate 18 by bolts, the top of the mounting plate 18 is connected to a second electric telescopic rod 19 by bolts, the surface of the second electric telescopic rod 19 is connected to a connecting block 20 by bolts, the bottom of the connecting block 20 is connected to a movable shell 21 by bolts, the inner cavity of the movable shell 21 is rotatably connected to a cleaning roller 23, the surface of the movable shell 21 is connected to a fourth motor 22 by bolts, the transmission shaft of the fourth motor 22 is connected to the cleaning roller 23 by bolts, and the front side of the movable shell 21 is connected to an infrared detector 24 by bolts. By setting the connecting column 17, it is convenient to position the mounting plate 18 and to facilitate the normal operation of the mounting plate 18.

[0022] See also Figure 1 and Figure 3 The driving mechanism 26 includes a vertical plate 8, the top of the vertical plate 8 is connected to the base 1 by bolts, the opposite side of the vertical plate 8 is rotatably connected to the first screw rod 10, the surface of the vertical plate 8 is connected to the second motor 9 by bolts, the transmission shaft of the second motor 9 is connected to the first screw rod 10 by bolts, and the surface of the first screw rod 10 is threadedly connected to the movable frame 11. By setting the second motor 9, the transmission shaft of the second motor 9 can drive the first screw rod 10 to rotate, and the first screw rod 10 can drive the movable frame 11 to move.

[0023] See also Figure 3 A first guide rod is connected to the opposite side of the vertical plate 8 by bolts, and the surface of the first guide rod is slidably connected to the movable frame 11. By setting the first guide rod, the movable frame 11 can be guided and moved stably.

[0024] See also Figure 1 and Figure 4 The positioning mechanism 27 includes a first motor 3, the top of the first motor 3 is connected to the mounting shell 2 by bolts, the transmission shaft of the first motor 3 passes through the top of the mounting shell 2 and is connected to a rotating plate 4 by bolts, the top of the rotating plate 4 is connected to a support column 5 by bolts, the top of the support column 5 is rotatably connected to a rotating adsorption head 6, the top of the rotating plate 4 is connected to an air pump 7 by bolts, the exhaust pipe of the air pump 7 is connected to the rotating adsorption head 6 through a pipeline, the bottom of the rotating plate 4 is connected to a support ring by bolts, the bottom of the support ring is slidably connected to the mounting shell 2, and by setting the support ring, the rotating plate 4 can be supported and the rotating plate 4 can be stably rotated.

[0025] See also Figure 1The inner cavity of the mounting frame 13 is connected with a second guide rod by bolts, and the surface of the second guide rod is slidably connected with the threaded block 16. By setting the second guide rod, the threaded block 16 can be guided and stably moved.

[0026] When in use, place the LCD screen to be tested on the top of the rotating adsorption head 6, start the air pump 7 through the external controller, and evacuate the rotating adsorption head 6 through the air pump 7 to generate negative pressure between the rotating adsorption head 6 and the LCD screen, and adsorb the LCD screen through the rotating adsorption head 6. During the testing process, start the first motor 3 through the external controller, drive the rotating plate 4 to rotate through the transmission shaft of the first motor 3, and drive the support column 5, the rotating adsorption head 6 and the LCD screen to rotate through the rotating plate 4, adjust the testing position, and start the first motor 3 through the external controller. The transmission shaft of the second motor 9 drives the first screw rod 10 to rotate, and the first screw rod 10 drives the movable frame 11 and the first electric telescopic rod 12 to move forward and backward to adjust the position of the first electric telescopic rod 12, and then the first electric telescopic rod 12 is started by the external controller, and the first electric telescopic rod 12 is telescopically moved to drive the mounting frame 13, the second screw rod 14 and the threaded block 16 to move up and down, and the threaded block 16 drives the connecting column 17, the mounting plate 18, the second electric telescopic rod 19, the connecting block 20, the movable shell 21, the cleaning roller 23 and the infrared detector 2 4 makes an up-and-down movement, so that the bottom of the cleaning roller 23 contacts the LCD screen, the fourth motor 22 is started by the external controller, and the cleaning roller 23 is driven to rotate by the transmission shaft of the fourth motor 22, and the surface of the LCD screen is cleaned by the cleaning roller 23, which can facilitate the removal of dust on the surface of the LCD screen and the removal of debris in the gaps on the surface of the LCD screen, and then the gaps on the surface of the LCD screen are detected by the infrared detector 24, and the third motor 15 is started by the external controller, and the second screw rod 14 is driven to rotate by the transmission shaft of the third motor 15, and the second screw rod 14 is driven to rotate by the second The screw rod 14 drives the threaded block 16, the connecting column 17, the mounting plate 18, the second electric telescopic rod 19, the connecting block 20, the cleaning roller 23 and the infrared detector 24 to move forward and backward, so as to adjust the cleaning position of the cleaning roller 23 and the detection position of the infrared detector 24. The second electric telescopic rod 19 is started by the external controller, and the connecting block 20, the movable shell 21, the fourth motor 22, the cleaning roller 23 and the infrared detector 24 are driven to move horizontally by the second electric telescopic rod 19, so as to adjust the positions of the cleaning roller 23 and the infrared detector 24.

[0027] In summary: the LCD assembly gap detection device, through the connecting block 20, the movable shell 21, the fourth motor 22, the cleaning roller 23, the infrared detector 24, the cleaning detection mechanism 25, the driving mechanism 26 and the positioning mechanism 27, solves the problems that the device is inconvenient to position the LCD screen during use, it will move during the detection process, it is inconvenient to detect it, it is inconvenient to clean the surface of the LCD screen, and the dust on the surface will block the gap, which is easy to affect the detection result.

Claims

1. An LCD assembly gap detection device, comprising a base (1), Features: The top of the base (1) is connected to a mounting shell (2) by bolts, a positioning mechanism (27) is arranged on the top of the mounting shell (2), a driving mechanism (26) is arranged on the bottom of the base (1), and the driving mechanism (26) comprises a movable frame (11), a first electric telescopic rod (12) is arranged through the top of the movable frame (11), the bottom of the first electric telescopic rod (12) is connected to a mounting frame (13) by bolts, the inner cavity of the mounting frame (13) is rotatably connected to a second screw rod (14), the front side of the mounting frame (13) is connected to a third motor (15) by bolts, the transmission shaft of the third motor (15) is connected to the second screw rod (14) by bolts, a threaded sleeve is arranged on the surface of the second screw rod (14), and a cleaning detection mechanism (25) is arranged at the bottom of the threaded block (16).

2. The LCD assembly gap detection device according to claim 1, Features: The cleaning detection mechanism (25) comprises a connecting column (17), the top of the connecting column (17) is connected to the threaded block (16) by bolts, the bottom of the connecting column (17) is connected to a mounting plate (18) by bolts, the top of the mounting plate (18) is connected to a second electric telescopic rod (19) by bolts, the surface of the second electric telescopic rod (19) is connected to a connecting block (20) by bolts, the bottom of the connecting block (20) is connected to a movable shell (21) by bolts, the inner cavity of the movable shell (21) is rotatably connected to a cleaning roller (23), the surface of the movable shell (21) is connected to a fourth motor (22) by bolts, the transmission shaft of the fourth motor (22) is connected to the cleaning roller (23) by bolts, and the front side of the movable shell (21) is connected to an infrared detector (24) by bolts.

3. The LCD assembly gap detection device according to claim 1, Features: The driving mechanism (26) comprises a vertical plate (8), the top of the vertical plate (8) is connected to the base (1) by bolts, the opposite side of the vertical plate (8) is rotatably connected to a first screw rod (10), the surface of the vertical plate (8) is connected to a second motor (9) by bolts, the transmission shaft of the second motor (9) is connected to the first screw rod (10) by bolts, and the surface of the first screw rod (10) is threadedly connected to the movable frame (11).

4. The LCD assembly gap detection device according to claim 3, Features: The opposite side of the vertical plate (8) is connected to a first guide rod via bolts, and the surface of the first guide rod is slidably connected to the movable frame (11).

5. The LCD assembly gap detection device according to claim 1, Features: The positioning mechanism (27) comprises a first motor (3), the top of the first motor (3) is connected to the mounting shell (2) by bolts, the transmission shaft of the first motor (3) passes through the top of the mounting shell (2) and is connected to a rotating plate (4) by bolts, the top of the rotating plate (4) is connected to a support column (5) by bolts, the top of the support column (5) is rotatably connected to a rotating adsorption head (6), the top of the rotating plate (4) is connected to an air pump (7) by bolts, the air extraction pipe of the air pump (7) is connected to the rotating adsorption head (6) by a pipeline, the bottom of the rotating plate (4) is connected to a support ring by bolts, and the bottom of the support ring is slidably connected to the mounting shell (2).

6. The LCD assembly gap detection device according to claim 1, Features: The inner cavity of the mounting frame (13) is connected to a second guide rod via bolts, and the surface of the second guide rod is slidably connected to the threaded block (16).

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