Appearance detection machine for LED liquid crystal display screen

Abstract

The utility model discloses an appearance detection machine for an LED liquid crystal display screen, which comprises a base, the upper end of the base is provided with a working table, the upper end of the working table is provided with a supporting table, the upper end of the supporting table is provided with two rotating pieces, the upper surfaces of the two rotating pieces are provided with supporting rods, and the supporting rods are arranged on the upper surfaces of the two rotating pieces. Fourth threaded rods are rotatably connected to the middles of the two supporting rods, two fourth threaded blocks are in threaded connection to the exteriors of the two fourth threaded rods, the side walls of the two fourth threaded blocks penetrate through the side walls of the supporting rods, extend to the exteriors and are provided with clamping plates, and two first threaded rods are rotatably connected to the middle of the supporting table; and the exteriors of the two first threaded rods are in threaded connection with first threaded blocks. By means of the structure, display screens with different widths can be clamped and fixed, a worker can manually adjust the angle of the display screen, and the working efficiency of the worker can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of display screen detection, in particular to an appearance detection machine for an LED liquid crystal display screen. Background Art

[0002] LED display is a flat-panel display whose surface is composed of several LED modules. Due to its combination, the size of LED display can be customized according to demand. It ranges from ordinary tablet computers to large screens used for publicity and performances. One of the technical indicators of LED display is whether the refractive index of light meets the requirements.

[0003] Traditional LED display screen inspection devices usually place the display screen on a test bench for appearance inspection by lighting. During the inspection process, workers need to adjust the observation angle to check whether there is any abnormality in the appearance of the display screen, which increases the labor of workers during inspection and affects work efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing detection device lacks the function of adjusting the angle of the display screen when detecting the appearance of the display screen, which easily affects the working efficiency.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide an appearance inspection machine for an LED liquid crystal display screen, including a base, a workbench is installed on the upper end of the base, a support table is installed on the upper end of the workbench, two rotating parts are installed on the upper end of the support table, and support rods are installed on the upper surfaces of the two rotating parts, and fourth threaded rods are rotatably connected to the middle parts of the two support rods, and two fourth threaded blocks are threadedly connected to the outside of the two fourth threaded rods, and the side walls of the two fourth threaded blocks extend through the side walls of the support rods to the outside and are installed with clamps, and the display screen is clamped by the clamps. With the cooperation of the rotating parts, the angle of the display screen can be manually adjusted, so as to facilitate the detection of the display screen surface, thereby ensuring work efficiency;

[0006] Two first threaded rods are rotatably connected to the middle part of the support platform, and the outsides of the two first threaded rods are threadedly connected to the first threaded blocks. The upper ends of the two first threaded blocks extend through the upper end of the support platform to the outside and are fixedly connected to the lower surface of the rotating member. The first threaded rods cooperate with the first threaded blocks to enable the clamp to clamp the display screen with the width of the body.

[0007] Preferably, a first bevel gear is installed at one end of the two first threaded rods, a second knob is installed on the side wall of the support platform, the second knob side wall extends through the side wall of the support platform to the interior and is installed with a second bevel gear, a first knob is installed on the upper end of the two support rods, and the two first knob side walls are respectively fixedly connected to the upper end of the fourth threaded rod, and the first bevel gear and the second bevel gear are cooperated to make the two sets of splints move toward each other.

[0008] Preferably, vertical rods are installed at the four corners of the upper end of the workbench, horizontal rods are installed on the side walls of the vertical rods, and support plates are installed on the two side walls of the horizontal rods, and the middle part of the support plate is hollow.

[0009] Preferably, two limit rods are installed inside the support plate, and limit blocks are installed outside the two limit rods. Mounting plates are installed at the lower ends of the two limit blocks. The limit blocks cooperate with the mounting plates to facilitate adjustment of the position of the laser lamp.

[0010] Preferably, the two side walls of the mounting plates are rotatably connected with a second threaded rod, the outer threads of the second threaded rod are connected with a second threaded block, a laser lamp is installed on the lower surface of the second threaded block, and a first motor is installed on one of the side walls of the mounting plates, and the second threaded rod cooperates with the second threaded block to drive the laser lamp to move.

[0011] Preferably, a third threaded rod is rotatably connected to the middle part of the support plate, and a third threaded block is threadedly connected to the outside of the third threaded rod. Connecting rods are installed on both sides of the third threaded block, and one end of the two connecting rods are respectively fixedly connected to the side walls of the limit block. A second motor is installed on the side walls of the support plate, and the third threaded block and the limit block are moved by using the connecting rod, so that the two limit blocks move simultaneously.

[0012] Preferably, a fixing plate is installed on the upper ends of the plurality of vertical rods, a hydraulic cylinder is installed on the upper end of the fixing plate, and an output end of the hydraulic cylinder extends through the middle of the fixing plate to the outside and is fixedly connected to the upper end of the support plate.

[0013] Preferably, a sliding rod is installed in the middle of each of the vertical rods, a sliding block is slidably connected to the outside of each of the sliding rods, and a side wall of each of the sliding blocks is fixedly connected to both ends of the horizontal rod.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model utilizes a rotating member to connect with the support rod, and after the display screen can be clamped and fixed by a clamping plate, the display screen can be easily moved manually to move, so as to adjust the angle of the display screen, which is convenient for checking the appearance of the display screen, and there is no need for workers to observe the adjusted angle by themselves, thereby ensuring work efficiency and reducing labor. The first threaded rod and the first threaded block are matched to make the two support rods move toward each other, so that the clamping plate can clamp display screens of different widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of an appearance inspection machine for LED liquid crystal display screens according to the utility model;

[0017] Figure 2 This is a front cross-sectional view of an appearance inspection machine for an LED liquid crystal display screen according to the utility model;

[0018] Figure 3 This is a cross-sectional view of a support plate of an appearance inspection machine for an LED liquid crystal display screen according to the utility model;

[0019] Figure 4 For this utility model Figure 2 Enlarged view of point A in the middle.

[0020] In the figure: 1. base; 2. workbench; 3. support table; 4. slide bar; 5. support plate; 6. fixed plate; 7. vertical bar; 8. slide block; 9. first motor; 10. first threaded block; 11. first threaded rod; 12. first bevel gear; 13. second bevel gear; 14. laser light; 15. mounting plate; 16. second threaded rod; 17. second threaded block; 18. hydraulic cylinder; 19. cross bar; 20. second motor; 21. limit rod; 22. limit block; 23. connecting rod; 24. third threaded block; 25. third threaded rod; 26. first knob; 27. fourth threaded block; 28. clamping plate; 29. ​​fourth threaded rod; 30. rotating part; 31. support rod. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0022] See also Figure 1 - Figure 4, an appearance inspection machine for an LED liquid crystal display screen, comprising a base 1, a workbench 2 is installed on the upper end of the base 1, a support table 3 is installed on the upper end of the workbench 2, two rotating parts 30 are installed on the upper end of the support table 3, the display screen is manually moved to move, and the support rod 31 cooperates with the rotating part 30 to adjust the angle of the display screen, the upper surfaces of the two rotating parts 30 are both installed with support rods 31, the middle parts of the two support rods 31 are both rotatably connected with fourth threaded rods 29, the external threads of the fourth threaded rods 29 are symmetrically arranged, so that the two fourth threaded blocks 27 move toward each other, the external parts of the two fourth threaded rods 29 are both threadedly connected with two fourth threaded blocks 27, the side walls of the two fourth threaded blocks 27 pass through the side walls of the support rods 31 and extend to the outside and are installed with clamps 28, and the two connected clamps 28 cooperate with each other to clamp the display screen;

[0023] Two first threaded rods 11 are rotatably connected to the middle part of the support platform 3, and the outsides of the two first threaded rods 11 are threadedly connected to the first threaded blocks 10. The upper ends of the two first threaded blocks 10 pass through the upper end of the support platform 3 and extend to the outside and are fixedly connected to the lower surface of the rotating member 30, which are used to adjust the distance between the two support rods 31 and can clamp display screens of different widths.

[0024] like Figure 2 - Figure 3As shown, the first bevel gear 12 is installed at one end of the two first threaded rods 11, and the first bevel gear 12 is meshed with the second bevel gear 13. The side wall of the support platform 3 is installed with a second knob, and the side wall of the second knob passes through the side wall of the support platform 3 and extends to the inside and is installed with the second bevel gear 13. The upper ends of the two support rods 31 are installed with a first knob 26, and the side walls of the two first knobs 26 are respectively fixedly connected to the upper ends of the fourth threaded rods 29. The four corners of the upper end of the workbench 2 are installed with vertical rods 7, and the side walls of the vertical rods 7 are installed with horizontal rods. 19, the side walls of the two cross bars 19 are installed with support plates 5, the middle of the support plates 5 is hollow, two limit rods 21 are installed inside the support plates 5, and the two limit rods 21 are installed with limit blocks 22 outside, and the limit blocks 22 drive the mounting plate 15 to move, and with the cooperation of the third threaded rod 25, the position of the display screen can be adjusted, and the lower ends of the two limit blocks 22 are installed with mounting plates 15, and the side walls of the two mounting plates 15 are rotatably connected with the second threaded rod 16, and the second threaded rod 16 is installed outside. A second threaded block 17 is threadedly connected, and a connecting block is installed on the upper end of the second threaded block 17. The upper surface of the connecting block is slidably connected to the inside of the support plate 5, so that the second threaded block 17 moves outside the second threaded rod 16. A laser lamp 14 is installed on the lower surface of the second threaded block 17. A first motor 9 is installed on the side wall of one of the mounting plates 15. A third threaded rod 25 is rotatably connected to the middle of the support plate 5. The third threaded block 24 is threadedly connected to the outside of the third threaded rod 25. Connecting rods 23 are installed on both sides of the third threaded block 24. One end of the two connecting rods 23 is fixedly connected to the side walls of the limit block 22 respectively. A second motor 20 is installed on the side wall of the support plate 5. A fixing plate 6 is installed on the upper end of the plurality of vertical rods 7. A hydraulic cylinder 18 is installed on the upper end of the fixing plate 6. The output end of the hydraulic cylinder 18 extends through the middle of the fixing plate 6 to the outside and is fixedly connected to the upper end of the support plate 5. Sliding rods 4 are installed in the middle of the plurality of vertical rods 7. Sliding blocks 8 are slidably connected to the outside of the plurality of sliding rods 4. The side walls of the plurality of sliding blocks 8 are fixedly connected to both ends of the cross bar 19.

[0025] When the utility model is in use, according to the width of the display screen, the second knob is used to drive the first bevel gear 12 and the second bevel gear 13 to rotate, so that the two first threaded rods 11 drive the two first threaded blocks 10 to move, thereby driving the two support rods 31 to move, and then the first knob 26 is used to drive the fourth threaded rod 29 to rotate, so that the two clamping plates 28 clamp and fix the display screen. When the display screen is detected, the angle of the display screen is manually adjusted with the cooperation of the rotating member 30, and the surface of the display screen is irradiated with the laser lamp 14, so as to facilitate the detection of abnormalities of the display screen, and the hydraulic cylinder 18 can be used to push the support plate 5 to move, and the height of the laser lamp 14 can be adjusted, and the second threaded rod 16 and the second threaded block 17 are used to cooperate, and the third threaded rod 25 and the third threaded block 24 are used to adjust the position of the laser lamp 14.

[0026] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An appearance inspection machine for LED liquid crystal display screens, comprising a base (1), characterized in that: A workbench (2) is installed at the upper end of the base (1), a support platform (3) is installed at the upper end of the workbench (2), two rotating parts (30) are installed at the upper end of the support platform (3), support rods (31) are installed on the upper surfaces of the two rotating parts (30), the middle parts of the two support rods (31) are rotatably connected with fourth threaded rods (29), the exteriors of the two fourth threaded rods (29) are threadedly connected with two fourth threaded blocks (27), and the side walls of the two fourth threaded blocks (27) pass through the side walls of the support rods (31) and extend to the outside and are installed with clamping plates (28); Two first threaded rods (11) are rotatably connected to the middle of the support platform (3), and the exteriors of the two first threaded rods (11) are both threadedly connected to first threaded blocks (10). The upper ends of the two first threaded blocks (10) pass through the upper end of the support platform (3) and extend to the outside and are fixedly connected to the lower surface of the rotating member (30).

2. The appearance inspection machine for LED liquid crystal display according to claim 1, characterized in that: A first bevel gear (12) is installed at one end of each of the two first threaded rods (11); a second knob is installed on the side wall of the support platform (3); the side wall of the second knob passes through the side wall of the support platform (3) and extends to the inside and is installed with a second bevel gear (13); a first knob (26) is installed on the upper end of each of the two support rods (31); and the side walls of the two first knobs (26) are respectively fixedly connected to the upper end of the fourth threaded rod (29).

3. The appearance inspection machine for LED liquid crystal display according to claim 1, characterized in that: The four corners of the upper end of the workbench (2) are all equipped with vertical rods (7), the side walls of the vertical rods (7) are equipped with horizontal rods (19), and the side walls of the two horizontal rods (19) are equipped with support plates (5), and the middle part of the support plates (5) is hollow.

4. The appearance inspection machine for LED liquid crystal display according to claim 3 is characterized in that: Two limiting rods (21) are installed inside the support plate (5), limiting blocks (22) are installed outside the two limiting rods (21), and mounting plates (15) are installed at the lower ends of the two limiting blocks (22).

5. The appearance inspection machine for LED liquid crystal display according to claim 4 is characterized in that: The side walls of the two mounting plates (15) are rotatably connected to a second threaded rod (16), the outer surface of the second threaded rod (16) is threadably connected to a second threaded block (17), a laser lamp (14) is mounted on the lower surface of the second threaded block (17), and a first motor (9) is mounted on the side wall of one of the mounting plates (15).

6. The appearance inspection machine for LED liquid crystal display according to claim 3 is characterized in that: A third threaded rod (25) is rotatably connected to the middle of the support plate (5), and the third threaded rod (25) is externally threadedly connected to a third threaded block (24). Connecting rods (23) are installed on both sides of the third threaded block (24), and one end of the two connecting rods (23) is respectively fixedly connected to the side wall of the limit block (22), and a second motor (20) is installed on the side wall of the support plate (5).

7. The appearance inspection machine for LED liquid crystal display according to claim 3 is characterized in that: A fixing plate (6) is installed at the upper end of the plurality of vertical rods (7), a hydraulic cylinder (18) is installed at the upper end of the fixing plate (6), and an output end of the hydraulic cylinder (18) passes through the middle of the fixing plate (6) and extends to the outside and is fixedly connected to the upper end of the support plate (5).

8. The appearance inspection machine for LED liquid crystal display according to claim 3 is characterized in that: A sliding rod (4) is installed in the middle of the plurality of vertical rods (7), a sliding block (8) is slidably connected to the outside of the plurality of sliding rods (4), and the side walls of the plurality of sliding blocks (8) are fixedly connected to the two ends of the cross bar (19).

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