CN219799936U - Liquid crystal display bright spot detection equipment - Google Patents
Liquid crystal display bright spot detection equipment Download PDFInfo
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- CN219799936U CN219799936U CN202321027473.1U CN202321027473U CN219799936U CN 219799936 U CN219799936 U CN 219799936U CN 202321027473 U CN202321027473 U CN 202321027473U CN 219799936 U CN219799936 U CN 219799936U
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of display screen detection and discloses liquid crystal display screen bright spot detection equipment, which comprises a base, wherein a conveyor is fixedly arranged at the upper end of the base, an electric push rod is fixedly connected to one side of the upper end of the base, a lifting plate is fixedly connected to the output end of the upper end of the electric push rod, two side plates are symmetrically and fixedly connected to the lower end of the lifting plate, a double-shaft motor positioned between the two side plates is fixedly connected to the lower end of the lifting plate, adjusting screws are fixedly connected to the output ends of the two ends of the double-shaft motor, one end of each adjusting screw is rotatably connected with the side wall of the side plate through a bearing, a clamping plate is sleeved on the rod wall of each adjusting screw in a threaded manner, and a screw hole sleeved with each adjusting screw is formed in the side wall of the upper end of each clamping plate. The utility model can rapidly detect whether the bright spot appears on the display screen, does not need to directly participate in work manually, improves the detection efficiency and quality, and ensures the accuracy of detection and judgment.
Description
Technical Field
The utility model belongs to the technical field of display screen detection, and particularly relates to a bright spot detection device for a liquid crystal display screen.
Background
The screen bright point generally refers to an unrepairable single color dot that appears on a liquid crystal display, and still presents R, G, B (red, green, blue) dots in the case of a black screen. Most of the reasons for the occurrence are that vibration or dust falls into a crystal structure in the processing process, and the number of the bright spots of the liquid crystal screen is less than 3 according to the national standard.
In order to guarantee production quality, whether need detect the problem that whether there is bright spot to the screen in the LCD screen actual production, whether there is the bright spot to the display screen through the manual work is circular telegram observation at present, judges very big to staff's mental burden through the people's eye, and appears the error easily, influences the judgement accuracy, can not fine satisfy actual detection demand.
Disclosure of Invention
The utility model aims to solve the problems and provides a liquid crystal display bright spot detection device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a liquid crystal display bright spot check out test set, includes the base, the upper end fixed mounting of base has the conveyer, upper end one side fixedly connected with electric putter of base, electric putter's upper end output fixedly connected with lifter plate, symmetrical fixedly connected with two curb plates around the lower extreme of lifter plate, the lower extreme of lifter plate still fixedly connected with is located the biax motor between two curb plates, the equal fixedly connected with adjusting screw of both ends output of biax motor, the one end of adjusting screw passes through the lateral wall swivelling joint of bearing and curb plate, the screw that cup joints with the adjusting screw thread has been seted up to the pole wall screw thread of adjusting screw, the lower extreme of lifter plate still fixedly connected with U-shaped mounting bracket, the downside fixedly connected with CCD detects the camera;
the side wall of conveyer has been seted up a plurality of jacks, and corresponds the jack internal activity plug bush has the movable rod, many the one end fixedly connected with of movable rod is same movable plate, the fixed plug bush of upper end lateral wall of movable plate has the circular telegram to connect, many the other end fixedly connected with one anticreep board of movable rod, a plurality of return springs of cover outside many movable rods respectively of fixedly connected with between movable plate and the conveyer, the upper end opposite side fixedly connected with rotating electrical machines of base, the upper end output fixedly connected with cam of rotating electrical machines.
Preferably, the upper end fixedly connected with a plurality of spacing sliders of grip block, the limiting chute that matches sliding connection with spacing slider has been seted up to the downside of lifter plate.
Preferably, the lower end side wall of the clamping plate is fixedly connected with a layer of anti-skid extrusion rubber cushion.
Preferably, rubber cushion blocks are fixedly connected to four corners of the bottom of the base.
Preferably, the U-shaped mounting frame is arranged on the outer side of the double-shaft motor.
Preferably, the U-shaped mounting frame is fixedly connected with the CCD detection camera through a plurality of connecting posts.
Compared with the prior art, the utility model provides the liquid crystal display bright spot detection equipment, which has the following beneficial effects:
this LCD screen bright spot check out test set, through the conveyer that is equipped with, the conveyer is used for the transportation of LCD screen, after the display screen removes to the testing position, drive the lifter plate through electric putter earlier and move down, make two grip blocks remove to the both sides of display screen, start biax motor, biax motor drives two adjusting screw synchronous rotation, screw thread socket joint effect through adjusting screw and grip block makes two grip blocks be close to each other, and then to the stable centre gripping of display screen, make the display screen place in the middle, the rotating electrical machines rotates again, rotating electrical machines drive cam rotation, make the bulge extrusion of cam push away the lateral wall of acting on the movable plate, make the slip of movable plate cooperation movable rod drive the circular telegram connect and remove, make the circular telegram connect and peg graft with the display screen, carry out the power supply to the display screen, restart CCD detects the camera, whether appear carrying out short-term detection to the display screen, need not artifical direct participation work, detection efficiency and quality have been improved, the accuracy of detection judgement has been guaranteed.
Drawings
FIG. 1 is a schematic diagram of a bright point detection apparatus for a liquid crystal display according to the present utility model;
fig. 2 is a schematic side view of a lifting plate of a bright point detection device for a liquid crystal display according to the present utility model.
In the figure: 1. a base; 2. a conveyor; 3. an electric push rod; 4. a lifting plate; 5. a side plate; 6. a biaxial motor; 7. adjusting a screw; 8. a clamping plate; 9. a U-shaped mounting rack; 10. a CCD detection camera; 11. a moving rod; 12. a moving plate; 13. electrifying the joint; 14. an anti-drop plate; 15. a return spring; 16. a rotating electric machine; 17. a cam.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, a bright spot detection device for a liquid crystal display screen comprises a base 1, wherein a conveyor 2 is fixedly arranged at the upper end of the base 1, an electric push rod 3 is fixedly connected to one side of the upper end of the base 1, an upper end output end of the electric push rod 3 is fixedly connected with a lifting plate 4, two side plates 5 are symmetrically and fixedly connected to the lower end of the lifting plate 4, a double-shaft motor 6 positioned between the two side plates 5 is fixedly connected to the lower end of the lifting plate 4, an adjusting screw 7 is fixedly connected to the output ends of the two ends of the double-shaft motor 6, one end of the adjusting screw 7 is rotatably connected with the side wall of the side plate 5 through a bearing, a clamping plate 8 is sleeved with a rod wall thread of the adjusting screw 7, a screw hole sleeved with the adjusting screw 7 is formed in the side wall of the upper end of the clamping plate 8, and a CCD detection camera 10 is fixedly connected to the lower side of a U-shaped mounting frame 9,U-shaped mounting frame 9;
the lateral wall of conveyer 2 has seted up a plurality of jacks, and correspond the interior movable plug bush of jack and have movable rod 11, the one end fixedly connected with of a plurality of movable rods 11 is same movable plate 12, the fixed plug bush of upper end lateral wall of movable plate 12 has the circular telegram to connect 13, the other end fixedly connected with one anticreep board 14 of a plurality of movable rods 11, a plurality of return springs 15 of respectively overlapping outside a plurality of movable rods 11 of fixedly connected with between movable plate 12 and the conveyer 2, the upper end opposite side fixedly connected with rotating electrical machines 16 of base 1, the upper end output fixedly connected with cam 17 of rotating electrical machines 16.
The upper end fixedly connected with a plurality of spacing sliders of grip block 8, the limiting chute that matches sliding connection with spacing slider has been seted up to the downside of lifter plate 4.
The lower extreme lateral wall fixedly connected with one deck antiskid extrusion cushion of grip block 8.
Rubber cushion blocks are fixedly connected to four corners of the bottom of the base 1.
The U-shaped mounting 9 is arranged outside the double-shaft motor 6.
The U-shaped mounting frame 9 and the CCD detection camera 10 are fixedly connected through a plurality of connecting posts.
The principle of operation of the present utility model will now be described as follows:
when the utility model is used, the conveyor 2 is used for conveying a liquid crystal display screen, after the display screen moves to a detection position, the lifting plate 4 is driven by the electric push rod 3 to move downwards, so that the two clamping plates 8 move to two sides of the display screen, the double-shaft motor 6 is started, the double-shaft motor 6 drives the two adjusting screws 7 to rotate synchronously, the two clamping plates 8 are mutually close to each other through the threaded sleeving action of the adjusting screws 7 and the clamping plates 8, the display screen is stably clamped, the display screen is placed in the middle, the rotating motor 16 is rotated, the rotating motor 16 drives the cam 17 to rotate, the protruding part of the cam 17 is pushed to act on the side wall of the moving plate 12, the moving plate 12 drives the electrified connector 13 to move in cooperation with the sliding of the moving rod 11, the electrified connector 13 is spliced with the display screen, the display screen is powered on, the CCD detection camera 10 is started again, whether the display screen has bright spots, the quick detection is performed without manual direct participation in work, the detection efficiency and the detection judgment accuracy is ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, shall cover the scope of the present utility model by equivalent substitution or modification according to the technical scheme of the present utility model and the application concept thereof.
Claims (6)
1. The utility model provides a liquid crystal display bright spot check out test set, includes base (1), its characterized in that, the upper end of base (1) is equipped with conveyer (2), upper end one side fixedly connected with electric putter (3) of base (1), upper end output fixedly connected with lifter plate (4) of electric putter (3), symmetrical fixedly connected with two curb plates (5) around the lower extreme of lifter plate (4), the lower extreme of lifter plate (4) still fixedly connected with is located biax motor (6) between two curb plates (5), the equal fixedly connected with adjusting screw (7) of both ends output of biax motor (6), the one end of adjusting screw (7) is through the lateral wall swivelling joint of bearing and curb plate (5), the screw hole that cup joints with adjusting screw (7) screw thread is seted up to the upper end lateral wall of lifter plate (8), the lower extreme of lifter plate (4) still fixedly connected with U-shaped (9), the lower side of U-shaped (9) is fixedly connected with camera (10) of CCD detection.
The utility model discloses a conveyer, including conveyer (2) and base (1), a plurality of jacks have been seted up to the lateral wall of conveyer (2), and correspond the interior movable plug bush of jack and have movable rod (11), many the one end fixedly connected with of movable rod (11) is same movable plate (12), the fixed plug bush of upper end lateral wall of movable plate (12) has electric connector (13), many the other end fixedly connected with of movable rod (11) is same anticreep board (14), a plurality of reset spring (15) of overlapping outside a plurality of movable rods (11) respectively of fixedly connected with between movable plate (12) and conveyer (2), the upper end opposite side fixedly connected with rotating electrical machines (16) of base (1), the upper end output fixedly connected with cam (17) of rotating electrical machines (16).
2. The bright spot detection device for the liquid crystal display according to claim 1, wherein a plurality of limit sliding blocks are fixedly connected to the upper end of the clamping plate (8), and a limit sliding groove which is matched and slidingly connected with the limit sliding blocks is formed in the lower side of the lifting plate (4).
3. The bright spot detection apparatus for a liquid crystal display according to claim 1, wherein a layer of anti-slip extrusion rubber pad is fixedly connected to a lower end side wall of the clamping plate (8).
4. The bright spot detection apparatus for a liquid crystal display according to claim 1, wherein rubber pads are fixedly connected to four corners of the bottom of the base (1).
5. A liquid crystal display bright spot detection apparatus according to claim 1, characterized in that the U-shaped mounting frame (9) is arranged outside the biaxial motor (6).
6. A liquid crystal display bright spot detection apparatus according to claim 1, characterized in that the U-shaped mounting frame (9) and the CCD detection camera (10) are fixedly connected by a plurality of connecting posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321027473.1U CN219799936U (en) | 2023-05-04 | 2023-05-04 | Liquid crystal display bright spot detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321027473.1U CN219799936U (en) | 2023-05-04 | 2023-05-04 | Liquid crystal display bright spot detection equipment |
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| Publication Number | Publication Date |
|---|---|
| CN219799936U true CN219799936U (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321027473.1U Active CN219799936U (en) | 2023-05-04 | 2023-05-04 | Liquid crystal display bright spot detection equipment |
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| CN (1) | CN219799936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110094A (en) * | 2023-10-23 | 2023-11-24 | 深圳市德迅达精密工业有限责任公司 | Precision die strength detection equipment |
-
2023
- 2023-05-04 CN CN202321027473.1U patent/CN219799936U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110094A (en) * | 2023-10-23 | 2023-11-24 | 深圳市德迅达精密工业有限责任公司 | Precision die strength detection equipment |
| CN117110094B (en) * | 2023-10-23 | 2024-03-22 | 深圳市德迅达精密工业有限责任公司 | Precision die strength detection equipment |
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