CN220128729U - Detection clamp for display screen - Google Patents
Detection clamp for display screen Download PDFInfo
- Publication number
- CN220128729U CN220128729U CN202321517497.5U CN202321517497U CN220128729U CN 220128729 U CN220128729 U CN 220128729U CN 202321517497 U CN202321517497 U CN 202321517497U CN 220128729 U CN220128729 U CN 220128729U
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- Prior art keywords
- clamping
- detection
- display screen
- fixedly connected
- assembly
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 38
- 230000000712 assembly Effects 0.000 abstract description 19
- 238000000429 assembly Methods 0.000 abstract description 19
- 230000007547 defect Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model discloses a detection clamp for a display screen, which belongs to the technical field of detection of liquid crystal display screens and comprises a detection table, wherein a clamping box is arranged on the detection table, one side of the clamping box is provided with a driving assembly, the driving assembly is provided with a plurality of first clamping plates, the plurality of first clamping plates are all rotationally connected in the clamping box, one side, far away from the clamping assembly, of the clamping box along the length direction is correspondingly provided with a plurality of movable shafts, the plurality of movable shafts are all rotationally connected in the clamping box, and the plurality of movable shafts are all provided with clamping assemblies; still sliding connection has the portal frame on the detection platform, is provided with a plurality of lift cylinder on the portal frame, and a plurality of lift cylinder bottom all is provided with sliding component, is provided with industrial camera on the sliding component, can carry out defect detection simultaneously to a plurality of LCD screen positive and negative surfaces, has promoted detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of liquid crystal display screen detection, and particularly relates to a detection clamp for a display screen.
Background
The liquid crystal display screen is one of flat panel displays, is used for screen display of televisions and computers, is widely applied to various electronic equipment, such as televisions, computer displays, smart phones, tablet computers and the like, and becomes an indispensable important component in life and work of people.
At present, after the production of the liquid crystal display screen is finished, in order to ensure the display effect of the display screen, defect detection is needed to be carried out on the surface of the liquid crystal display screen, in the surface defect detection process of the liquid crystal display screen, defect detection is carried out on a single liquid crystal display screen by adopting a detection clamp, and the defect detection cannot be carried out on a plurality of liquid crystal display screens at the same time, so that the detection efficiency is low.
Disclosure of Invention
The utility model aims to provide a detection clamp for a display screen, which solves the problems that in the prior art, in the surface defect detection process of a liquid crystal display screen, the detection clamp is mostly adopted to detect defects of a single liquid crystal display screen, so that the defect detection of a plurality of liquid crystal display screens can not be realized at the same time, and the detection efficiency is low.
The utility model provides a detection fixture for display screen, including detecting the platform, be provided with the centre gripping case on the detection platform, centre gripping case one side is provided with drive assembly, be provided with a plurality of first grip block on the drive assembly, a plurality of first grip block rotates to be connected in the centre gripping incasement, the centre gripping case is kept away from the centre gripping assembly along length direction one side and is provided with a plurality of loose axle correspondingly, and a plurality of loose axle all rotates to be connected in the centre gripping incasement, all sets up clamping assembly on the loose axle of a plurality of;
the detection bench is further connected with a portal frame in a sliding mode, a plurality of lifting cylinders are arranged on the portal frame, sliding assemblies are arranged at the bottoms of the lifting cylinders, and an industrial camera is arranged on the sliding assemblies.
Further, the driving assembly comprises a driving motor, a plurality of driving wheels and a synchronous belt, wherein the output end of the driving motor is fixedly connected with the rotating shaft of the corresponding driving wheel, a plurality of driving wheels are in transmission connection through the synchronous belt, and a plurality of first clamping plates are respectively fixedly connected with the rotating shaft of the corresponding driving wheel.
Further, the clamping assembly comprises an electric push rod and a second clamping plate, the electric push rod is fixedly connected with the movable shaft, and the second clamping plate is fixedly connected with the output end of the electric push rod.
Further, rubber layers are arranged on the first clamping plate and the second clamping plate.
Further, the sliding assembly comprises an electric sliding rail which is fixedly connected to the bottom of the lifting cylinder, an electric sliding block is connected to the electric sliding rail in a sliding manner, and an industrial camera is fixedly connected to the electric sliding block.
Further, a plurality of ring-shaped light sources are arranged in the clamping box.
Compared with the prior art, the utility model has the beneficial effects that:
the outer wall of one side of the liquid crystal display to be detected is respectively clamped in the first clamping plates, the outer wall of the other side of the liquid crystal display is tightly supported and fixed by the clamping assemblies, the portal frame slides until the lifting cylinders are located right above the clamped liquid crystal display to be detected, the lifting cylinders drive the industrial cameras to descend to a proper position, the sliding assemblies drive the industrial cameras to slide left and right above the liquid crystal display to be detected, photographic identification detection is carried out on the front surface area of the industrial cameras, after single-sided detection is finished, the driving assemblies start to drive the first clamping plates to rotate, the liquid crystal display to be detected is driven to rotate, defect detection can be carried out on the front surface and the back surface of the liquid crystal display to be detected simultaneously, and detection efficiency is improved.
Drawings
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of a detection clamp for a display screen;
FIG. 2 is a schematic view of a display screen inspection jig at another view angle;
fig. 3 is a schematic structural diagram of a driving assembly according to an embodiment of the present utility model.
In the figure: 1. a detection table; 2. a clamping box; 3. a drive assembly; 31. a driving motor; 32. a driving wheel; 33. a synchronous belt; 4. a first clamping plate; 5. a movable shaft; 6. a clamping assembly; 61. an electric push rod; 62. a second clamping plate; 7. a portal frame; 8. a lifting cylinder; 9. a sliding assembly; 91. an electric slide rail; 92. an electric slide block; 10. an industrial camera; 101. a rubber layer; 102. a ring-shaped light source.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
Referring to fig. 1-3, in an embodiment of the present utility model, a detection fixture for a display screen includes a detection table 1, a clamping box 2 is provided on the detection table 1, a driving component 3 is provided on one side of the clamping box 2, a plurality of first clamping plates 4 are provided on the driving component 3, the plurality of first clamping plates 4 are rotatably connected in the clamping box 2, and the driving component 3 is used for driving the plurality of first clamping plates 4 to rotate;
the clamping box 2 is correspondingly provided with a plurality of movable shafts 5 along one side, far away from the first clamping plate 4, of the length direction, the plurality of movable shafts 5 are all rotationally connected in the clamping box 2, clamping assemblies 6 are arranged on the plurality of movable shafts 5, the clamping assemblies 6 and the plurality of first clamping plates 4 are arranged in the clamping box 2 in a one-to-one correspondence manner, the first clamping plates 4 are used for clamping one side wall of a display screen to be detected, and the clamping assemblies 6 are used for clamping the other side wall of the display screen to be detected;
the detection table 1 is also connected with a portal frame 7 in a sliding manner, a plurality of lifting air cylinders 8 are arranged on the portal frame 7, sliding assemblies 9 are arranged at the bottoms of the plurality of lifting air cylinders 8, industrial cameras 10 are arranged on the sliding assemblies 9, the portal frame 7 slides on the detection table 1 and is used for driving the plurality of industrial cameras 10 to move above a plurality of display screens clamped by the first clamping plate 4 and the clamping assembly 6 in the clamping box 2, the sliding assemblies 9 are used for adjusting the left and right movement of the industrial cameras 10, identifying and detecting the surface areas of the liquid crystal display screens and transmitting data images to an external industrial personal computer so as to identify defective products;
in the specific working process, the outer wall of one side of the liquid crystal display screen to be detected is respectively clamped in the first clamping plates 4 of the plurality of liquid crystal display screen, the outer wall of the other side of the liquid crystal display screen is fixedly clamped by the clamping assemblies 6 of the plurality of clamping assemblies, the portal frame 7 slides until the lifting cylinders 8 are positioned right above the clamped liquid crystal display screen to be detected of the plurality of lifting cylinders 8, the lifting cylinders 8 drive the industrial cameras 10 to descend to the proper positions, the sliding assemblies 9 drive the industrial cameras 10 to slide left and right above the liquid crystal display screen to be detected of the plurality of industrial cameras, photographic identification detection is carried out on the front surface area of the liquid crystal display screen to be detected, after single-sided detection is finished, the driving assemblies 3 start to drive the first clamping plates 4 of the plurality of clamping assemblies to rotate, the movable shafts 5 are driven to rotate synchronously, the liquid crystal display screen to be detected of the plurality of clamping assemblies 4 and the clamping assemblies 6 are driven to rotate, the back of the liquid crystal display screen to be detected is detected again, defect detection can be carried out on the front and back surfaces of the plurality of display screens simultaneously, and detection efficiency is improved.
In one embodiment, referring to fig. 1, 2 and 3, the driving assembly 3 includes a driving motor 31, a plurality of driving wheels 32 and a synchronous belt 33, the output end of the driving motor 31 is fixedly connected with the rotating shaft of the corresponding driving wheel 32, the plurality of driving wheels 32 are in transmission connection with each other through the synchronous belt 33, the plurality of first clamping plates 4 are respectively fixedly connected with the rotating shaft of the corresponding driving wheel 32, after the front surface of the liquid crystal display to be detected is detected, the driving motor 31 starts to drive the driving wheels 32 corresponding to the output end of the liquid crystal display to be detected to rotate through a coupling, the driving wheels 32 are in transmission connection through the synchronous belt 33, when one driving wheel 32 rotates, the other driving wheels 32 are driven to synchronously rotate, the rotating shafts of the driving wheels 32 are driven to synchronously rotate, the rotating shafts are rotationally connected in the clamping box 2, the first clamping plates 4 fixedly connected with the rotating shafts of the driving wheels 32 are driven to synchronously rotate, and the liquid crystal display to be detected clamped between the first clamping plates 4 and the clamping assembly 6 are driven to synchronously rotate, and in the rotation process, the movable shafts 5 are synchronously rotated, the turnover of the liquid crystal display to be detected is completed, and the subsequent industrial camera 10 is convenient to detect defects again on the back surface of the liquid crystal display.
In an embodiment, referring to fig. 1 and 3, the clamping assembly 6 includes an electric push rod 61 and a second clamping plate 62, the electric push rod 61 is fixedly connected to the movable shaft 5, the telescopic end of the electric push rod 61 is fixedly connected to the second clamping plate 62, after one side wall of the liquid crystal display to be detected is clamped on the first clamping plate 4, the electric push rod 61 is utilized to push the second clamping plate 62 to clamp and jack the other side wall of the liquid crystal display to be detected, and the movable shaft 5 is rotatably connected in the clamping box 2, so that the second clamping plate 62 can synchronously rotate along with the first clamping plate 4.
In one embodiment, as shown in fig. 1, 2 and 3, the first clamping plate 4 and the second clamping plate 62 are respectively provided with a rubber layer 101, the first clamping plate 4 and the second clamping plate 62 are made of the same structural material, bayonets matched with the liquid crystal display to be detected are respectively arranged in the bayonets, a rubber layer 101 is respectively arranged in the bayonets, and the rubber layers 101 avoid damaging the surfaces of the first clamping plate 4 and the second clamping plate 62 due to collision with the liquid crystal display to be detected in the process of clamping the side walls of two sides of the liquid crystal display to be detected.
In one embodiment, referring to fig. 1 and 2, the sliding assembly 9 includes an electric sliding rail 91, the electric sliding rail 91 is fixedly connected to the bottom of the lifting cylinder 8, an electric sliding block 92 is slidably connected to the electric sliding rail 91, an industrial camera 10 is fixedly connected to the electric sliding block 92, and the electric sliding rail 91 can drive the electric sliding block 92 to slide on the electric sliding rail 91 after being controlled by an external control system, so as to drive the industrial camera 10 to slide above a liquid crystal display to be detected, and image acquisition and recognition are performed on different areas on the surface of the industrial camera to detect surface defects of the industrial camera.
In one embodiment, referring to fig. 2 and 3, a plurality of ring-shaped light sources 102 are further disposed inside the holding case 2, and the plurality of ring-shaped light sources 102 are used in the detection process of the liquid crystal display screen to provide enough light to the industrial camera 10, so that the industrial camera 10 can collect images conveniently.
The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a detection fixture for display screen, includes detection platform (1), its characterized in that, be provided with centre gripping case (2) on detection platform (1), centre gripping case (2) one side is provided with drive assembly (3), be provided with a plurality of first grip block (4) on drive assembly (3), a plurality of first grip block (4) all rotate to be connected in centre gripping case (2), centre gripping case (2) are kept away from one side correspondence that first grip block (4) is provided with a plurality of loose axle (5) along length direction, and a plurality of loose axle (5) all rotate to be connected in centre gripping case (2), all are provided with clamping assembly (6) on a plurality of loose axle (5);
still sliding connection has portal frame (7) on detecting table (1), be provided with a plurality of lift cylinder (8) on portal frame (7), a plurality of lift cylinder (8) bottom all is provided with slip subassembly (9), be provided with industrial camera (10) on slip subassembly (9).
2. The detection clamp for the display screen according to claim 1, wherein the driving assembly (3) comprises a driving motor (31), a plurality of driving wheels (32) and a synchronous belt (33), the output end of the driving motor (31) is fixedly connected with a rotating shaft corresponding to the driving wheels (32), the driving wheels (32) are in transmission connection through the synchronous belt (33), and the first clamping plates (4) are respectively fixedly connected with the rotating shaft corresponding to the driving wheels (32).
3. The detection clamp for the display screen according to claim 1, wherein the clamping assembly (6) comprises an electric push rod (61) and a second clamping plate (62), the electric push rod (61) is fixedly connected with the movable shaft (5), and the second clamping plate (62) is fixedly connected with the output end of the electric push rod (61).
4. A display screen detection jig according to claim 3, wherein the first clamping plate (4) and the second clamping plate (62) are each provided with a rubber layer (101).
5. The detection clamp for the display screen according to claim 1, wherein the sliding assembly (9) comprises an electric sliding rail (91), the electric sliding rail (91) is fixedly connected to the bottom of the lifting cylinder (8), an electric sliding block (92) is slidingly connected to the electric sliding rail (91), and an industrial camera (10) is fixedly connected to the electric sliding block (92).
6. The detection clamp for the display screen according to claim 1, wherein a plurality of ring-shaped light sources (102) are further arranged inside the clamping box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321517497.5U CN220128729U (en) | 2023-06-14 | 2023-06-14 | Detection clamp for display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321517497.5U CN220128729U (en) | 2023-06-14 | 2023-06-14 | Detection clamp for display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220128729U true CN220128729U (en) | 2023-12-05 |
Family
ID=88956587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321517497.5U Active CN220128729U (en) | 2023-06-14 | 2023-06-14 | Detection clamp for display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220128729U (en) |
-
2023
- 2023-06-14 CN CN202321517497.5U patent/CN220128729U/en active Active
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