Polarizer surface foreign matter detection jig
By designing a polarizer surface foreign object detection fixture including a overlapping table, a side sealing table, a cover plate, a sealed conical baffle and a sealing curtain, combined with an automatic sorting system of infrared scanning sensor and a hydraulic rod, the problem of inconvenient detection of polarizer surface foreign object in the prior art is solved and cannot be automatically sorted in a sealed environment, and efficient detection and sorting effect is achieved.
Patent Information
- Application Number
- CN202421378459.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing foreign object detection fixture on the surface of the polarizer is not convenient to detect foreign objects on the surface of the polarizer under a sealed environment, and it is impossible to automatically sort polarizers with foreign objects.
A foreign object detection fixture on the surface of the polarizer is designed, including a overlapping table, a side sealing table, a cover plate, a sealed conical baffle and a sealing curtain, which realizes the sealing detection of the polarizer through the A-drive belt and an A servo motor; at the same time, the polarizer with foreign objects is automatically sorted by using an infrared scanning sensor and a hydraulic rod.
It realizes efficient detection of foreign matter on the surface of the polarizer in a sealed environment, reduces the impact of the external environment on the detection, and improves the detection efficiency through automatic sorting.
Smart Images

Figure CN222753797U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polarizer detection, in particular to a polarizer surface foreign body detection jig. Background Art
[0002] Polaroid is an optical device, usually made of a certain material, such as polymer or glass, and has a special treatment on its surface. Its main function is to selectively transmit or block light according to the vibration direction of light. When polaroids are packaged at the factory, dust and other attachments on their surface need to be detected to maintain the transparency of the polaroids during installation. Therefore, a polaroid surface foreign body detection jig is required.
[0003] A liquid crystal display polarizer attached foreign object detection jig disclosed in publication number CN216387642U, although, by setting the driving motor, the first belt, the first rotating shaft, the second belt, the second rotating shaft, the through groove, the first pulley, the second pulley, the mounting plate, the third rotating shaft, the cam, the third pulley and the fourth pulley to cooperate with each other, the tested liquid crystal display body can be ejected in time without affecting the subsequent test.
[0004] However, the polarizer surface foreign body detection jig has the following disadvantages:
[0005] (1) It is not convenient to detect foreign matter on the surface of the polarizer in a sealed environment to reduce the impact of dust in the air;
[0006] (2) It is not convenient to automatically sort out foreign matter such as dust attached to the surface, and it is not convenient to handle polarizers with foreign matter. Utility Model Content
[0007] 1. Technical issues to be solved
[0008] The technical problem solved by the utility model is to provide a polarizer surface foreign matter detection jig which is highly practical, can be simply operated and has a relatively simple structure, thereby solving the problems raised in the above-mentioned background technology that it is inconvenient to detect foreign matter on the polarizer surface in a sealed environment and it is inconvenient to automatically sort out foreign matter such as dust attached to the surface.
[0009] (II) Technical solution
[0010] To achieve the above purpose, the utility model is implemented through the following technical solutions: a foreign body detection jig for the surface of a polarizer, comprising a lap joint table, side sealing tables are fixedly connected to both sides of the top surface of the lap joint table, the surfaces of the two side sealing tables are rotatably connected with scanning and conveying components, the scanning and conveying components include A rotating shaft, A transmission belt and A servo motor, the top surfaces of the two side sealing tables are fixedly connected with cover plates, the middle part of the cover plate is fixedly connected with a foreign body detection and sorting component, the foreign body detection and sorting component includes an infrared scanning sensor, a controller, a hydraulic rod and a push piece, sealing conical baffles are fixedly connected to both sides of the cover plate, and a plurality of sealing curtains are arranged at the bottom of the two sealing conical baffles, the middle part of the side sealing table is rotatably connected with a sorting and conveying component, and the sorting and conveying component includes B rotating shaft, B transmission belt, B servo motor, auxiliary rotating shaft and support column.
[0011] Optionally, a support sheet is fixedly connected to the bottom surface of the overlapping platform, and there are two support sheets, which are distributed on both sides of the bottom surface of the overlapping platform.
[0012] Optionally, an observation window is provided on the surface of the side sealing platform, the material of the observation window is tempered glass, and a plurality of rubber curtains are provided inside the observation window.
[0013] Optionally, both ends of the A rotating shaft are rotatably connected to the inner side of the side sealing platform, and the surface of the A rotating shaft is rotatably connected to the A transmission belt, wherein one end of the A rotating shaft is fixedly connected to the A servo motor, and the surface of the A servo motor is arranged on one side of the side sealing platform.
[0014] Optionally, the infrared scanning sensor is fixedly installed in the middle of the cover plate, the interior of the infrared scanning sensor is electrically connected to a controller via a power line, the controller is electrically connected to a hydraulic rod via a power line, and the output end of the hydraulic rod is fixedly connected to a push piece.
[0015] Optionally, the hydraulic rod is fixedly installed inside a hydraulic box, and the hydraulic box is fixedly installed on one side of the side sealing platform.
[0016] Optionally, the B rotating shaft is rotatably connected to the middle part of the side sealing platform, and the surface of the B rotating shaft is rotatably connected to the B transmission belt, wherein one end of the B rotating shaft is fixedly connected to the B servo motor, and the B servo motor is fixedly installed inside the side sealing platform, and the inside of the B transmission belt is rotatably connected to a plurality of auxiliary rotating shafts, and both ends of the plurality of auxiliary rotating shafts are rotatably connected to support columns.
[0017] (III) Beneficial effects
[0018] The utility model provides a polarizer surface foreign body detection jig, which has the following beneficial effects:
[0019] 1. The foreign body detection jig for the polarizer surface is comprehensively arranged with a side sealing platform, a cover plate, a sealing conical baffle and a sealing curtain. When the polarizer is detected, the polarizer is placed on the A transmission belt, and the A servo motor is started to drive the A rotating shaft and the A transmission belt to rotate synchronously, so that the polarizer is detected in a sealed space formed by the side sealing platform, the cover plate, the sealing conical baffle and the sealing curtain, which reduces the influence of the external environment on the detection of the polarizer and improves the detection effect of the detection jig.
[0020] 2. The foreign body detection jig for the polarizer surface is provided with a foreign body detection and sorting component. When the polarizer is transmitted to the infrared scanning sensor for scanning, the infrared scanning sensor senses the foreign body on the surface of the polarizer and transmits the electrical signal to the controller. The controller starts the hydraulic rod, which extends and drives the pusher to push the polarizer into the B transmission belt on the sorting and conveying component, thereby automatically sorting the polarizer with foreign bodies, thereby improving the efficiency of foreign body detection on the polarizer surface. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the disassembly structure of the scanning and conveying components and the sorting and conveying components of the utility model;
[0023] Figure 3 This is a schematic diagram of the disassembled structure of the foreign body detection and sorting component of the utility model;
[0024] Figure 4 It is a schematic diagram of the structure of the cover plate, the sealing cone baffle and the sealing curtain of the utility model.
[0025] In the figure: 1. Lapping table; 2. Side sealing table; 3. Scanning and conveying assembly; 301. A rotating shaft; 302. A driving belt; 303. A servo motor; 4. Cover plate; 5. Foreign matter detection and sorting assembly; 501. Infrared scanning sensor; 502. Controller; 503. Hydraulic rod; 504. Push plate; 6. Sealing conical baffle; 7. Sealing curtain; 8. Sorting and conveying assembly; 801. B rotating shaft; 802. B driving belt; 803. B servo motor; 804. Auxiliary rotating shaft; 805. Support column; 9. Observation window; 10. Rubber curtain; 11. Hydraulic box; 12. Support plate. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] See also Figures 1 to 4 The utility model provides a technical solution: a foreign body detection jig for the surface of a polarizing film, comprising a lap joint table 1, two sides of the top surface of the lap joint table 1 are fixedly connected with side sealing tables 2, the surfaces of the two side sealing tables 2 are rotatably connected with scanning and transmission components 3, the scanning and transmission components 3 include a rotating shaft A 301, a transmission belt A 302 and a servo motor A 303, the top surfaces of the two side sealing tables 2 are fixedly connected with a cover plate 4, the middle part of the cover plate 4 is fixedly connected with a foreign body detection and sorting component 5, through the setting of the foreign body detection and sorting component 5, the polarizing film with foreign bodies is automatically sorted, thereby improving the detection efficiency of foreign bodies on the surface of the polarizing film, and the foreign body detection and sorting component 5 It includes an infrared scanning sensor 501, a controller 502, a hydraulic rod 503 and a push piece 504. Sealing conical baffles 6 are fixedly connected to both sides of the cover plate 4. A plurality of sealing curtains 7 are arranged at the bottom of the two sealing conical baffles 6. Through the comprehensive arrangement of the side sealing platform 2, the cover plate 4, the sealing conical baffles 6 and the sealing curtains 7, the influence of the external environment on the detection of the offset plate is reduced, and the detection effect of the detection fixture is improved. The middle part of the side sealing platform 2 is rotatably connected with a sorting and conveying assembly 8. The sorting and conveying assembly 8 includes a B rotating shaft 801, a B transmission belt 802, a B servo motor 803, an auxiliary rotating shaft 804 and a support column 805.
[0028] The bottom surface of the lap platform 1 is fixedly connected with a support sheet 12. There are two support sheets 12, which are distributed on both sides of the bottom surface of the lap platform 1. The setting of the support sheets 12 plays a role in supporting and fixing the lap platform 1.
[0029] An observation window 9 is provided on the surface of the side sealing platform 2. The material of the observation window 9 is tempered glass. A plurality of rubber curtains 10 are provided inside the observation window 9. The transparent observation window 9 facilitates the observation of the internal sorting of the fixture.
[0030] Both ends of the A rotating shaft 301 are rotatably connected to the inner side of the side sealing platform 2, and the surface of the A rotating shaft 301 is rotatably connected to the A transmission belt 302, wherein one end of the A rotating shaft 301 is fixedly connected to the A servo motor 303, and the surface of the A servo motor 303 is arranged on one side of the side sealing platform 2. Through the arrangement of the A transmission belt 302, it plays a role of automatically transmitting to the inside of the fixture for sealing scanning.
[0031] The infrared scanning sensor 501 is fixedly installed in the middle of the cover plate 4. The interior of the infrared scanning sensor 501 is electrically connected to the controller 502 through a power line. The controller 502 is electrically connected to the hydraulic rod 503 through a power line. The output end of the hydraulic rod 503 is fixedly connected to the push piece 504. Through the comprehensive setting of the infrared scanning sensor 501 and the hydraulic rod 503, the polarizer with foreign matter can be automatically sorted out.
[0032] The hydraulic rod 503 is fixedly installed inside the hydraulic box 11 , and the hydraulic box 11 is fixedly installed on one side of the side sealing platform 2 . The arrangement of the hydraulic box 11 facilitates the fixing of the hydraulic rod 503 .
[0033] The B rotating shaft 801 is rotatably connected to the middle part of the side sealing platform 2, and the surface of the B rotating shaft 801 is rotatably connected to the B transmission belt 802, wherein one end of the B rotating shaft 801 is fixedly connected to the B servo motor 803, and the B servo motor 803 is fixedly installed inside the side sealing platform 2. The inside of the B transmission belt 802 is rotatably connected to a plurality of auxiliary rotating shafts 804, and both ends of the plurality of auxiliary rotating shafts 804 are rotatably connected to support columns 805. Through the arrangement of the plurality of auxiliary rotating shafts 804, the B transmission belt 802 is supported.
[0034] The model of the infrared scanning sensor 501 is Sharp GP2Y0A21YK0F, and the model of the controller 502 is Arduino IR Remote Control. The above parameters and models can be selected according to actual conditions.
[0035] In the utility model, the working steps of the device are as follows:
[0036] Step 1: When testing the polaroid film, place the polaroid film on the A drive belt 302, start the A servo motor 303, drive the A rotating shaft 301 and the A drive belt 302 to rotate synchronously, so that the polaroid film is tested in the sealed space formed by the side sealing platform 2, the cover plate 4, the sealing cone baffle 6 and the sealing curtain 7, reducing the influence of the external environment on the polaroid film testing;
[0037] The second step: when the polarizer is transmitted to the infrared scanning sensor 501 for scanning, the infrared scanning sensor 501 senses the foreign matter on the surface of the polarizer and transmits the electrical signal to the controller 502. The controller 502 starts the hydraulic rod 503, so that the hydraulic rod 503 extends and drives the pusher 504 to push the polarizer into the B transmission belt 802 on the sorting and conveying component 8.
[0038] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;
[0039] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.
[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A polarizer surface foreign body detection jig, comprising a splicing table (1), characterized in that: Side sealing platforms (2) are fixedly connected to both sides of the top surface of the overlap platform (1); the surfaces of the two side sealing platforms (2) are rotatably connected to scanning and conveying components (3); the scanning and conveying components (3) include an A rotating shaft (301), an A transmission belt (302) and an A servo motor (303); the top surfaces of the two side sealing platforms (2) are fixedly connected to a cover plate (4); the middle part of the cover plate (4) is fixedly connected to a foreign matter detection and sorting component (5); the foreign matter detection and sorting component (5) includes an infrared scanning sensor (5 01), a controller (502), a hydraulic rod (503) and a push piece (504), the two sides of the cover plate (4) are fixedly connected with sealing conical baffles (6), the bottoms of the two sealing conical baffles (6) are provided with a plurality of sealing curtains (7), the middle part of the side sealing platform (2) is rotatably connected with a sorting and conveying assembly (8), and the sorting and conveying assembly (8) includes a B rotating shaft (801), a B transmission belt (802), a B servo motor (803), an auxiliary rotating shaft (804) and a support column (805).
2. The polarizer surface foreign body detection jig according to claim 1, characterized in that: A support sheet (12) is fixedly connected to the bottom surface of the overlapping platform (1), and there are two support sheets (12), which are distributed on both sides of the bottom surface of the overlapping platform (1).
3. The polarizer surface foreign body detection jig according to claim 1, characterized in that: An observation window (9) is provided on the surface of the side sealing platform (2); the material of the observation window (9) is tempered glass; and a plurality of rubber curtains (10) are provided inside the observation window (9).
4. The polarizer surface foreign body detection jig according to claim 1, characterized in that: Both ends of the A rotating shaft (301) are rotatably connected to the inner side of the side sealing platform (2), and the surface of the A rotating shaft (301) is rotatably connected to the A transmission belt (302), wherein one end of the A rotating shaft (301) is fixedly connected to the A servo motor (303), and the surface of the A servo motor (303) is arranged on one side of the side sealing platform (2).
5. The polarizer surface foreign body detection jig according to claim 1, characterized in that: The infrared scanning sensor (501) is fixedly mounted on the middle part of the cover plate (4); the interior of the infrared scanning sensor (501) is electrically connected to a controller (502) via a power line; the controller (502) is electrically connected to a hydraulic rod (503) via a power line; and the output end of the hydraulic rod (503) is fixedly connected to a push piece (504).
6. The polarizer surface foreign body detection jig according to claim 1, characterized in that: The hydraulic rod (503) is fixedly installed inside the hydraulic box (11), and the hydraulic box (11) is fixedly installed on one side of the side sealing platform (2).
7. The polarizer surface foreign body detection jig according to claim 1, characterized in that: The B rotating shaft (801) is rotatably connected to the middle part of the side sealing platform (2), and the surface of the B rotating shaft (801) is rotatably connected to the B transmission belt (802), wherein one end of the B rotating shaft (801) is fixedly connected to the B servo motor (803), and the B servo motor (803) is fixedly installed inside the side sealing platform (2), and the inside of the B transmission belt (802) is rotatably connected to a plurality of auxiliary rotating shafts (804), and both ends of the plurality of auxiliary rotating shafts (804) are rotatably connected to support columns (805).
Citation Information
Patent Citations
Jig for detecting foreign matters attached to polaroid of liquid crystal display screen
CN216387642U