CN216770988U

CN216770988U - Backlight unit detection device is used in production of liquid crystal display that can preapres for an unfavorable turn of events shape

Info

Publication number: CN216770988U
Application number: CN202220305684.6U
Authority: CN
Inventors: 任希; 黄忠
Original assignee: Shenzhen Anyingfeng Technology Co ltd
Current assignee: Shenzhen Anyingfeng Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-17
Anticipated expiration: 2032-02-16

Abstract

The utility model relates to the technical field of liquid crystal display screen detection, in particular to a deformation-proof backlight module detection device for liquid crystal display screen production. The device comprises a bottom plate, a moving assembly, a rotating assembly and a detecting assembly, wherein the detecting assembly is fixedly mounted on the bottom plate, and the rotating assembly is fixedly mounted on the moving assembly. The movable assembly, the rotating assembly and the detection assembly are matched with each other, so that the backlight module can be automatically rotated and moved in the detection process, the deformation of the backlight mould caused by manual operation is prevented, the inaccuracy of the detection result is avoided, and the accuracy and the detection efficiency of the detection device are improved; through the mutual cooperation of the moving assembly and the detection assembly, the detection lens can detect the backlight module in different directions and at different angles, and therefore the accuracy and the detection efficiency of the detection device are improved.

Description

Backlight unit detection device is used in production of liquid crystal display that can preapres for an unfavorable turn of events shape

Technical Field

The utility model belongs to the technical field of liquid crystal display screen detection, and particularly relates to a deformation-proof backlight module detection device for liquid crystal display screen production.

Background

The backlight module is one of the key components of the liquid crystal display panel. The function is to provide sufficient brightness and uniformly distributed light source, so that it can normally display image. Liquid crystal displays are passive light-emitting elements and the display screen itself does not emit light but is illuminated by a backlight system underneath it. The backlight source and the liquid crystal display screen are combined together to form the liquid crystal display module.

The existing backlight module detection device places the backlight module on the workbench for detection, and the backlight module needs to be manually rotated and moved in the detection process, so that the backlight module is easily deformed, the detection result is inaccurate, and the detection efficiency of the detection device is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a backlight module detection device for liquid crystal display screen production, which can prevent deformation. The device comprises a bottom plate, a moving assembly, a rotating assembly and a detecting assembly, wherein the detecting assembly is fixedly arranged on the bottom plate, the rotating assembly is fixedly arranged on the moving assembly, and the rotating assembly and the moving assembly are both positioned below the detecting assembly;

the movable assembly comprises a first threaded rod and a first motor, a first groove is formed in the bottom plate, the first threaded rod is connected in the first groove in a rotating mode, a threaded sleeve is connected to the first threaded rod in a threaded mode, the first motor is fixedly installed at one end of the bottom plate, and the output end of the first motor is connected to one end of the first threaded rod in a transmission mode.

Furthermore, the moving assembly further comprises two groups of sliding rods, two groups of second grooves are formed in the bottom plate, the second grooves are arranged in a central symmetry mode through the first grooves, the sliding rods are fixedly arranged in the second grooves, and the sliding rods are connected with two groups of sliding blocks in a sliding mode.

Further, the rotating assembly comprises a rotating box and a second motor, the rotating box is fixedly installed on the threaded sleeve and the two sets of sliding blocks, and the second motor is fixedly installed on the inner wall of one side of the rotating box.

Furthermore, the rotating assembly further comprises a worm, one end of the worm is in transmission connection with the output end of the second motor, and one end, far away from the second motor, of the worm is rotatably connected to the inner wall of the other side of the rotating box.

Further, the rotating assembly further comprises a rotating rod, one end of the rotating rod is rotatably connected to the inner wall of the bottom of the rotating box, a gear is fixedly mounted on the rotating rod, and the gear is meshed with the worm.

Further, the rotating assembly further comprises a rotary table, the rotary table is fixedly mounted at the other end of the rotating rod, and the rotary table is located above the rotating box.

Furthermore, the detection assembly comprises an installation frame, a second threaded rod, a moving block, a third motor and a fixed plate, the installation frame is fixedly installed on the bottom plate, and two ends of the second threaded rod are rotatably connected to the installation frame.

Further, the detection assembly further comprises a third motor, the third motor is fixedly mounted on the mounting frame, and one end of the third motor is connected to one end of the second threaded rod in a transmission mode.

Furthermore, the detection assembly further comprises a moving block, the moving block is in threaded connection with the second threaded rod, and one end of the moving block is in sliding connection with the mounting frame.

Furthermore, the detection assembly further comprises a fixing plate, the fixing plate is fixedly installed at the other end of the moving block, and a detection lens is fixedly installed on one side, far away from the moving block, of the fixing plate.

The utility model has the beneficial effects that:

1. according to the utility model, the moving assembly, the rotating assembly and the detection assembly are matched with each other, so that the backlight module can be automatically rotated and moved in the detection process, the deformation of the backlight mould caused by manual operation is prevented, the inaccuracy of the detection result is avoided, and the accuracy and the detection efficiency of the detection device are improved;

2. according to the utility model, the mobile assembly and the detection assembly are mutually matched for use, so that the detection lens can carry out detection work on the backlight module in different directions and different angles, and the accuracy and the detection efficiency of the detection device are improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 shows a schematic structural diagram according to an embodiment of the utility model;

FIG. 2 illustrates a schematic structural diagram of a moving assembly according to an embodiment of the present invention;

FIG. 3 shows a schematic structural diagram of a rotating assembly according to an embodiment of the utility model;

fig. 4 shows a schematic structural diagram of a detection assembly according to an embodiment of the utility model.

In the figure: 100. a base plate; 210. a first groove; 220. a slide bar; 230. a first threaded rod; 240. a first motor; 250. a slider; 260. a threaded sleeve; 270. a second groove; 310. a rotary box; 320. a turntable; 330. a second motor; 340. a worm; 350. a gear; 360. rotating the rod; 410. a mounting frame; 420. a third motor; 430. a second threaded rod; 440. a moving block; 450. a fixing plate; 460. and detecting the lens.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a backlight module detection device for liquid crystal display production can prevent deformation. Including bottom plate 100, removal subassembly, rotating assembly and determine module, the equal fixed mounting of determine module is on bottom plate 100, and rotating assembly fixed mounting is on removing the subassembly, and rotating assembly and removal subassembly all are located determine module's below.

The moving assembly comprises a first threaded rod 230 and a first motor 240, a first groove 210 is formed in the bottom plate 100, the first threaded rod 230 is rotatably connected in the first groove 210, a threaded sleeve 260 is connected to the first threaded rod 230 in a threaded manner, the first motor 240 is fixedly installed at one end of the bottom plate 100, and the output end of the first motor 240 is connected to one end of the first threaded rod 230 in a transmission manner.

The first motor 240 rotates the first screw rod 230. The first threaded rod 230 drives the rotating component to move through the threaded sleeve 260, so as to drive the backlight module to move, and the backlight module is moved to the lower part of the detection component to be detected.

The moving assembly further comprises two sets of sliding rods 220, two sets of second grooves 270 are formed in the bottom plate 100, the two sets of second grooves 270 are symmetrically arranged by taking the first groove 210 as a center, the two sets of sliding rods 220 are fixedly arranged in the second grooves 270, and the two sets of sliding blocks 250 are connected to the two sets of sliding rods 220 in a sliding mode.

The sliding rod 220 limits the rotation assembly through the sliding block 250.

The rotating assembly comprises a rotating box 310, a second motor 330, a rotating rod 360 and a rotating disc 320, the rotating box 310 is fixedly installed on the threaded sleeve 260 and the two sets of sliding blocks 250, the second motor 330 is fixedly installed on the inner wall of one side of the rotating box 310, the output end of the second motor 330 is in transmission connection with a worm 340, and one end, far away from the second motor 330, of the worm 340 is rotatably connected to the inner wall of the other side of the rotating box 310. One end of the rotating rod 360 is rotatably connected to the inner wall of the bottom of the rotating box 310, a gear 350 is fixedly mounted on the rotating rod 360, and the gear 350 is meshed with the worm 340. The turntable 320 is fixedly installed on the other end of the rotation rod 360, and the turntable 320 is located above the rotation casing 310.

The second motor 330 drives the turntable 320 to rotate through the worm 340, the gear 350 and the rotating rod 360, and the turntable 320 is used for fixing the backlight module, so that the backlight module can rotate without manual operation.

The detection assembly comprises a mounting frame 410, a second threaded rod 430, a moving block 440, a third motor 420 and a fixing plate 450, wherein the mounting frame 410 is fixedly mounted on the base plate 100, and two ends of the second threaded rod 430 are rotatably connected to the mounting frame 410. The third motor 420 is fixedly installed on the mounting frame 410, and one end of the third motor 420 is in transmission connection with one end of the second threaded rod 430. Traveling block 440 is threaded onto second threaded rod 430 and one end of traveling block 440 is slidably coupled to mounting bracket 410. The fixed plate 450 is fixedly installed at the other end of the moving block 440, the detection lens 460 is fixedly installed at one side of the fixed plate 450 away from the moving block 440, and the detection lens 460 is located above the turntable 320.

The detection lens 460 is used for detecting the backlight module. The third motor 420 drives the moving block 440 to move through the second threaded rod 430. The moving block 440 drives the detecting lens 460 to move through the fixing plate 450. So that the detection lens 460 can detect the backlight module in different directions and angles.

Fix backlight unit on carousel 320, drive first threaded rod 230 through first motor 240 and rotate, first threaded rod 230 drives rotatory case 310 through threaded sleeve 260 and removes, makes backlight unit move the below that detects camera lens 460, makes detection camera lens 460 detect backlight unit, rethread third motor 420 drives detection camera lens 460 and removes, second motor 330 drives backlight unit and rotates, thereby carries out the detection work of different position and different angles to backlight unit.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a can preapring for an unfavorable turn of events shape backlight unit detection device for liquid crystal display production, its characterized in that: the device comprises a bottom plate (100), a moving assembly, a rotating assembly and a detecting assembly, wherein the detecting assembly is fixedly arranged on the bottom plate (100), the rotating assembly is fixedly arranged on the moving assembly, and the rotating assembly and the moving assembly are both positioned below the detecting assembly;

the moving assembly comprises a first threaded rod (230) and a first motor (240), a first groove (210) is formed in the bottom plate (100), the first threaded rod (230) is rotatably connected into the first groove (210), a threaded sleeve (260) is connected onto the first threaded rod (230) in a threaded mode, the first motor (240) is fixedly installed at one end of the bottom plate (100), and the output end of the first motor (240) is in transmission connection with one end of the first threaded rod (230).

2. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 1, is characterized in that: the moving assembly further comprises two groups of sliding rods (220), two groups of second grooves (270) are formed in the bottom plate (100), the second grooves (270) are symmetrically arranged with the first grooves (210) as the center, the sliding rods (220) are fixedly arranged in the second grooves (270), and the sliding rods (220) are connected with two groups of sliding blocks (250) in a sliding mode.

3. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 1, is characterized in that: the rotating assembly comprises a rotating box (310) and a second motor (330), the rotating box (310) is fixedly installed on the threaded sleeve (260) and the two sets of sliding blocks (250), and the second motor (330) is fixedly installed on the inner wall of one side of the rotating box (310).

4. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 3, is characterized in that: the rotating assembly further comprises a worm (340), one end of the worm (340) is in transmission connection with the output end of the second motor (330), and one end, far away from the second motor (330), of the worm (340) is rotatably connected to the inner wall of the other side of the rotating box (310).

5. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 4, is characterized in that: the rotating assembly further comprises a rotating rod (360), one end of the rotating rod (360) is rotated and connected to the inner wall of the bottom of the rotating box (310), a gear (350) is fixedly mounted on the rotating rod (360), and the gear (350) is meshed with the worm (340).

6. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 1, is characterized in that: the rotating assembly further comprises a rotating disc (320), the rotating disc (320) is fixedly installed at the other end of the rotating rod (360), and the rotating disc (320) is located above the rotating box (310).

7. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 6, is characterized in that: the detection assembly comprises a mounting frame (410), a second threaded rod (430), a moving block (440), a third motor (420) and a fixing plate (450), the mounting frame (410) is fixedly mounted on the bottom plate (100), and two ends of the second threaded rod (430) are rotatably connected to the mounting frame (410).

8. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 7, is characterized in that: the detection assembly further comprises a third motor (420), the third motor (420) is fixedly mounted on the mounting frame (410), and one end of the third motor (420) is in transmission connection with one end of the second threaded rod (430).

9. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 8, is characterized in that: the detection assembly further comprises a moving block (440), the moving block (440) is in threaded connection with the second threaded rod (430), and one end of the moving block (440) is connected to the mounting frame (410) in a sliding mode.

10. The backlight module detection device for the production of the liquid crystal display screen capable of preventing deformation according to claim 9, is characterized in that: the detection assembly further comprises a fixing plate (450), the fixing plate (450) is fixedly installed at the other end of the moving block (440), and a detection lens (460) is fixedly installed on one side, far away from the moving block (440), of the fixing plate (450).