CN216525494U - Device for AOI detection of double-sided and peripheral appearance defects of display screen - Google Patents
Device for AOI detection of double-sided and peripheral appearance defects of display screen Download PDFInfo
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- CN216525494U CN216525494U CN202123072110.3U CN202123072110U CN216525494U CN 216525494 U CN216525494 U CN 216525494U CN 202123072110 U CN202123072110 U CN 202123072110U CN 216525494 U CN216525494 U CN 216525494U
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Abstract
The utility model discloses an AOI (automatic optical inspection) device for detecting appearance defects on two sides and the periphery of a display screen, wherein detection cameras are arranged at the bottom and the top of a rack panel, and a conveying roller way part and an auxiliary light source part are arranged at the top of the rack panel; a perspective groove is formed in the rack panel and is positioned above the detection camera at the bottom of the rack panel; rollers of the conveying roller way part are distributed at intervals; a detection camera at the top of the frame panel is positioned above the conveying roller way part; the auxiliary light source part comprises an upper auxiliary light source part and a lower auxiliary light source part, the upper auxiliary light source part is positioned above the conveying roller way part, and the lower auxiliary light source part is positioned below the conveying roller way part. The utility model can stably convey products to be detected into and out of the detection area, the imaging of the display screen is stable during the AOI detection of the appearance defects on the two sides and the periphery of the display screen, and the detection efficiency is greatly improved while the detection precision and the detection accuracy are improved.
Description
Technical Field
The utility model relates to the technical field of display screen defect detection, in particular to an AOI (automatic optical inspection) device for detecting appearance defects on two sides and the periphery of a display screen.
Background
With continuous progress and update of science and technology, rapid development of artificial intelligence, a rough and tedious artificial detection mode is gradually replaced by automatic detection equipment, and the influence of external factors on a detection result is reduced to the minimum to ensure the detection accuracy of a detection machine, so that a detection device with high precision, good imaging and rapid detection cannot be used.
The detection mechanism in the prior art has the advantages of low automation degree, single mechanical structure, incapability of guaranteeing the accuracy of detection, incapability of adapting to different application occasions and precision requirements, even the condition of manual repeated detection, manpower waste, time waste and final influence on the working efficiency of equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides a device for AOI detection of double-sided and peripheral appearance defects of a display screen, aiming at solving the problems.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a device for AOI detection of appearance defects on two sides and the periphery of a display screen comprises a rack, wherein detection cameras are arranged at the bottom and the top of a rack panel, and a conveying roller way part and an auxiliary light source part are arranged at the top of the rack panel; a perspective groove is formed in the rack panel and is positioned above the detection camera at the bottom of the rack panel; rollers of the conveying roller way part are distributed at intervals; a detection camera at the top of the frame panel is positioned above the conveying roller way part; the auxiliary light source part comprises an upper auxiliary light source part and a lower auxiliary light source part, the upper auxiliary light source part is positioned above the conveying roller way part, and the lower auxiliary light source part is positioned below the conveying roller way part.
Furthermore, a first detection camera and a second detection camera are arranged at the bottom of the rack panel and are positioned below the perspective groove; the top of the frame panel is provided with a third detection camera, a fourth detection camera and a fifth detection camera, and the third detection camera, the fourth detection camera and the fifth detection camera are positioned above the conveying roller way part.
Furthermore, the upper auxiliary light source part comprises an auxiliary light source bracket formed by industrial aluminum profiles, the open ends of the auxiliary light source bracket are provided with profile end covers, and the auxiliary light source bracket is provided with an auxiliary light source; the lower auxiliary light source part has the same structure as the upper auxiliary light source part.
Furthermore, the detection camera comprises a camera support, a manual height adjusting mechanism is fixed on the camera support and is in sliding connection with one side of the crossed roller guide rail, the front of the crossed roller guide rail is in sliding connection with the sliding plate, two rotary adjusting structures are installed at intervals in front of the sliding plate, the angle between the two rotary adjusting structures can be adjusted, and the camera is connected with the camera lens.
Further, the auxiliary light source may be natural light, red light, or blue light.
The utility model can convey the product to be detected into and out of the detection area stably, can adapt to different detection occasions and precision requirements through different mechanical structures, driving modes and combinations, has stable imaging during AOI detection of the appearance defects on the two sides and the periphery of the display screen, and greatly improves the detection efficiency while improving the detection precision and the detection accuracy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a detection camera;
fig. 3 is a schematic view of a partial structure of the auxiliary light source.
Wherein: 1. a first detection camera; 2. a second detection camera; 3. a third detection camera; 4. a fourth detection camera; 5. a fifth detection camera; 6. a lower auxiliary light source portion; 7. a rollgang section; 8. an upper auxiliary light source part; 11. a cross roller guide rail; 12. a manual height adjustment mechanism; 13. a rotation adjustment structure; 14. a camera; 15. a lens; 81. a section end cover; 82. an auxiliary light source; 83. and an auxiliary light source bracket.
Detailed Description
The following further describes embodiments of the present invention with reference to fig. 1-3.
A device for AOI detection of appearance defects on two sides and the periphery of a display screen comprises a rack, wherein detection cameras are arranged at the bottom and the top of a rack panel, and a conveying roller way part 7 and an auxiliary light source part are arranged at the top of the rack panel; a perspective groove is formed in the rack panel and is positioned above the detection camera at the bottom of the rack panel; the rollers of the conveying roller way part 7 are distributed at intervals; the detection camera at the top of the frame panel is positioned above the conveying roller way part 7; the auxiliary light source part comprises an upper auxiliary light source part 8 and a lower auxiliary light source part 6, wherein the upper auxiliary light source part 8 is positioned above the conveying roller way part 7, and the lower auxiliary light source part 6 is positioned below the conveying roller way part 7.
The bottom of the frame panel is provided with a first detection camera 1 and a second detection camera 2, and the first detection camera 1 and the second detection camera 2 are positioned below the perspective groove; the top of the frame panel is provided with a third detection camera 3, a fourth detection camera 4 and a fifth detection camera 5, and the third detection camera 3, the fourth detection camera 4 and the fifth detection camera 5 are positioned above the conveying roller way part 7. The 5 detection cameras respectively have the following functions: the first detection camera 1 detects that the ink surface and the edge of the lower surface of a product are poor; the second detection camera 2 detects defects such as foreign matters and scratches on the lower surface of the product; the third detection camera 3 detects defects such as foreign matters, scratches and the like on the upper surface of the product; the fourth detection camera 4 detects the outer contour of the product; the fifth detection camera 5 detects the defects of the ink surface and the edge of the upper surface of the product. Detecting that the camera and the detected object are in a relative motion state; the structural arrangement can be that the detection camera is static and the detected object moves, and can also be that the detection camera moves and the detected object is static.
The upper auxiliary light source part 8 comprises an auxiliary light source bracket 83 formed by industrial aluminum profiles, profile end covers 81 are arranged at the opening ends of the auxiliary light source bracket 83, an auxiliary light source 82 is arranged on the auxiliary light source bracket 83, and the auxiliary light source 82 can be natural light, red light or blue light; the lower auxiliary light source part 6 has the same structure as the upper auxiliary light source part 8.
The detection camera comprises a camera support, a manual height adjusting mechanism 12 is fixed on the camera support, the manual height adjusting mechanism 12 is in sliding connection with one side of a cross roller guide rail 11, the front of the cross roller guide rail 11 is in sliding connection with a sliding plate, two rotary adjusting structures 13 are installed in the front of the sliding plate at intervals, a camera 14 is connected between the two rotary adjusting structures 13 in an angle-adjustable mode, and the camera 14 is connected with a lens 15. The angle of the camera 14 is adjusted by rotating the adjusting structure 13, and the height of the camera 14 is adjusted by matching the threaded screw rod with the crossed roller guide rail 11.
The cross roller guide 11 may be one or more of a linear guide, a linear bearing, a threaded screw, or an adjustable stroke cylinder. The manual height adjustment mechanism 12 may be a threaded screw, a rack and pinion, an ear plate chain plus a sprocket, or a synchronous belt plus a synchronous pulley. The rotation adjusting structure 13 may be an automatic rotation slide table, a manual rotation cross roller bearing type slide table, a rotation cylinder, a DD motor.
According to the requirements, the AOI detection equipment for the appearance defects on the two sides and the periphery of the display screen can be provided with one or more groups of devices, so that the effects of reducing CT and improving UPH are achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. A device for AOI detection of appearance defects on two sides and the periphery of a display screen is characterized by comprising a rack, wherein detection cameras are arranged at the bottom and the top of a rack panel, and a conveying roller way part (7) and an auxiliary light source part are arranged at the top of the rack panel; a perspective groove is formed in the rack panel and is positioned above the detection camera at the bottom of the rack panel; the rollers of the conveying roller way part (7) are distributed at intervals; the detection camera at the top of the frame panel is positioned above the conveying roller way part (7); the auxiliary light source part comprises an upper auxiliary light source part (8) and a lower auxiliary light source part (6), the upper auxiliary light source part (8) is positioned above the conveying roller way part (7), and the lower auxiliary light source part (6) is positioned below the conveying roller way part (7).
2. The device for AOI detection of the appearance defects of the two sides and the periphery of the display screen according to claim 1, wherein a first detection camera (1) and a second detection camera (2) are arranged at the bottom of the panel of the rack, and the first detection camera (1) and the second detection camera (2) are positioned below the perspective slot; the top of the frame panel is provided with a third detection camera (3), a fourth detection camera (4) and a fifth detection camera (5), and the third detection camera (3), the fourth detection camera (4) and the fifth detection camera (5) are positioned above the conveying roller way part (7).
3. The AOI detection device for the double-sided and peripheral appearance defects of the display screen according to claim 1, wherein the upper auxiliary light source part (8) comprises an auxiliary light source support (83) formed by industrial aluminum profiles, profile end covers (81) are mounted at the open ends of the auxiliary light source support (83), and an auxiliary light source (82) is mounted on the auxiliary light source support (83); the lower auxiliary light source portion (6) has the same structure as the upper auxiliary light source portion (8).
4. The AOI device for detecting the appearance defects of the double sides and the periphery of the display screen according to claim 1, wherein the detection camera comprises a camera support, a manual height adjusting mechanism (12) is fixed on the camera support, the manual height adjusting mechanism (12) is slidably connected with one side of a cross roller guide rail (11), the front face of the cross roller guide rail (11) is slidably connected with a sliding plate, two rotary adjusting structures (13) are arranged in the front face of the sliding plate at intervals, a camera (14) is connected between the two rotary adjusting structures (13) in an angle-adjustable manner, and the camera (14) is connected with a lens (15).
5. The device for AOI detection of the appearance defects of both sides and the periphery of the display screen according to claim 3, wherein the auxiliary light source (82) can be natural light, red light or blue light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072110.3U CN216525494U (en) | 2021-12-08 | 2021-12-08 | Device for AOI detection of double-sided and peripheral appearance defects of display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123072110.3U CN216525494U (en) | 2021-12-08 | 2021-12-08 | Device for AOI detection of double-sided and peripheral appearance defects of display screen |
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| CN216525494U true CN216525494U (en) | 2022-05-13 |
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| CN202123072110.3U Active CN216525494U (en) | 2021-12-08 | 2021-12-08 | Device for AOI detection of double-sided and peripheral appearance defects of display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115957975A (en) * | 2022-12-27 | 2023-04-14 | 苏州清江精密机械科技有限公司 | AOI light guide plate check out test set behind line |
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2021
- 2021-12-08 CN CN202123072110.3U patent/CN216525494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115957975A (en) * | 2022-12-27 | 2023-04-14 | 苏州清江精密机械科技有限公司 | AOI light guide plate check out test set behind line |
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