Substrate interior detection device
By designing an internal inspection device for the substrate, utilizing a conveyor-type cleaning structure and a motor-driven moving frame, the problem of dust on the substrate surface affecting the accuracy of ultrasonic testing was solved, achieving high-precision detection of internal defects in the substrate.
Patent Information
- Application Number
- CN202422947497.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-02
AI Technical Summary
When using ultrasonic testing to detect internal defects in a display substrate, dust on the substrate surface can affect the testing accuracy, leading to inaccurate test results.
An internal inspection device for a substrate is designed, comprising a moving frame, an electric push rod, an ultrasonic probe, and an ultrasonic detector. It is equipped with a conveyor-type cleaning structure, including a dust-adhesive roller and a rubber roller, for cleaning dust on the substrate surface, and the moving frame and ultrasonic probe are driven by a motor for inspection.
It effectively removes dust from the substrate surface, ensuring the accuracy of ultrasonic testing. It can adapt to substrates of different widths and achieve comprehensive testing of different locations on the substrate surface.
Smart Images

Figure CN223692330U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to display screen substrate detection technical field, more specifically, the utility model relates to substrate internal detection device. BACKGROUND
[0002] Display screen substrate refers to the display device such as liquid crystal, LED etc. as the basic material of supporting and connecting electronic component, usually made of glass or plastic etc. material, its main function is to provide structural support and protect other electronic components, and the internal defect of display screen substrate needs to be detected after production and processing, to avoid affecting subsequent use.
[0003] Ultrasonic wave can detect the internal defect of display screen substrate, it judges the structural integrity inside material by emitting ultrasonic wave and receiving its echo, to detect the internal defect of substrate.
[0004] However, when detecting the internal defect of substrate through ultrasonic wave, once the surface of substrate is attached with dust, it is easy to cause certain influence to the detection precision of ultrasonic wave, influence the final detection result, in view of this, the utility model provides substrate internal detection device. UTILITY MODEL CONTENT
[0005] In order to overcome the above-mentioned defects of prior art, the utility model provides substrate internal detection device to solve the problems in the background art.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: substrate internal detection device, including detection table, the mobile frame is slidably installed on the detection table, the top of mobile frame is provided with electric push rod, the output end of electric push rod is fixedly provided with ultrasonic probe, the outer wall of detection table is fixedly installed with ultrasonic detector, ultrasonic probe and ultrasonic detector are electrically connected.
[0007] It can be seen that in the structure, the electric push rod can drive the ultrasonic probe to extend to the surface of the substrate for ultrasonic detection, and the result after detection is displayed through the display screen of the ultrasonic detector.
[0008] In order to facilitate the cleaning of the dust on the surface of the substrate, avoid affecting the precision of ultrasonic detection, preferably, the surface of the detection table is provided with a conveying type cleaning structure on one side of the moving frame, the conveying type cleaning structure comprises two first mounting seats, both of which are fixedly installed at the right end of the detection table, both sides of the two first mounting seats are provided with second mounting seats, the second mounting seat is provided with a third mounting seat, a dust sticking roller is rotatably installed between the two first mounting seats, the outer part of the dust sticking roller is wrapped with a sticky paste, a rubber roller is rotatably installed between the two second mounting seats, and a supporting roller is rotatably installed between the two third mounting seats, and the outer wall of one of the second mounting seats is fixedly installed with a first motor, and the output end of the first motor is fixedly connected with one end of the corresponding rubber roller.
[0009] In order to be able to adapt to substrates of different widths, preferably, the inner walls of the two first mounting seats, second mounting seats and third mounting seats are provided with rectangular grooves, one of the rectangular grooves is rotatably provided with a screw rod, and the other mounting groove is fixedly provided with a guide rod, the outer parts of the screw rod and the guide rod are respectively provided with adjusting seats and guide seats, the adjusting seat is located in the rectangular groove and is in threaded connection with the screw rod, and the guide seat is in sliding connection with the guide rod, and the adjusting seat and the guide seat are rotatably connected with both ends of the corresponding dust sticking roller, rubber roller and supporting roller.
[0010] In order to be able to move the moving frame, facilitate detection of different positions of the substrate, preferably, both outer walls of the detection table are provided with sliding grooves, one of the sliding grooves is provided with a screw rod, and the other sliding groove is provided with a sliding rod, the outer parts of the screw rod and the sliding rod are respectively provided with screw blocks and sliding blocks, one end of the screw rod is provided with a second motor, the second motor is fixedly installed at one end of the detection table, the output end of the second motor is fixedly connected with the screw rod, the screw block is in threaded connection outside the screw rod, the sliding block is in sliding connection with the sliding rod, and the screw block and the sliding block are fixedly installed on the surfaces of the two inner walls of the moving frame.
[0011] In order to facilitate the disassembly and replacement between the sticky paste and the dust sticking roller, preferably, the surface of the dust sticking roller and the inner wall of the sticky paste are provided with magic tapes, the sticky paste and the dust sticking roller are detachably connected through the magic tapes, and the sticky paste is made of silicone rubber material.
[0012] The technical effects and advantages of the utility model are as follows:
[0013] 1. By setting up a conveyor cleaning structure, one end of the substrate passes through the space between two adhesive rollers and extends between two rubber rollers. The first motor can drive the bottom rubber roller to rotate between the two second mounting seats. The rotation of the rubber roller can drive the substrate to move left and right. When the substrate moves, the adhesive stickers on the two adhesive rollers can adhere the dust on the surface of the substrate, preventing the dust on the substrate surface from affecting the accuracy of ultrasonic detection. Moreover, when the substrate moves between the two support rollers, it can be supported, which facilitates the adsorption of dust on the surface of the substrate.
[0014] 2. By rotating the corresponding screw, the adjusting seat can be adjusted up and down outside the screw, thereby allowing the top dust roller, rubber roller and support roller to be adjusted up and down under the sliding guidance of the guide seat and guide rod. This allows the spacing between the two vertically distributed dust roller, rubber roller and support roller to be adjusted according to the thickness of the substrate, adapting to substrates of different widths.
[0015] 3. The second motor drives the lead screw to rotate, causing the threaded block to move the moving frame laterally along the testing table under the action of the slider and the slide bar. The movement of the moving frame can drive the ultrasonic probe to move, thereby performing testing operations on different positions on the substrate surface. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0017] Figure 2 This is a schematic diagram of the surface structure of the movable frame of this utility model.
[0018] Figure 3 This is a schematic diagram of the connection structure between the adjustment seat and the guide seat and the dust-sticking roller of this utility model.
[0019] Figure 4 This is a schematic diagram of the connection structure between the adhesive sticker and the dust roller of this utility model.
[0020] The attached figures are labeled as follows: 1. Testing table; 2. Moving frame; 3. Electric push rod; 4. Ultrasonic probe; 5. Ultrasonic detector; 6. First mounting base; 7. Second mounting base; 8. Third mounting base; 9. Adhesive roller; 10. Adhesive sticker; 11. Rubber roller; 12. Support roller; 13. First motor; 14. Rectangular groove; 15. Screw; 16. Guide rod; 17. Adjusting seat; 18. Guide seat; 19. Lead screw; 20. Slide rod; 21. Threaded block; 22. Slider; 23. Second motor; 24. Velcro. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] As attached Figures 1-4 The substrate internal testing device shown includes a testing platform 1, a movable frame 2 slidably mounted on the testing platform 1, an electric push rod 3 on the top of the movable frame 2, an ultrasonic probe 4 fixedly mounted at the output end of the electric push rod 3, and an ultrasonic detector 5 fixedly mounted on the outer wall of the testing platform 1. The ultrasonic probe 4 and the ultrasonic detector 5 are electrically connected.
[0023] Specifically, in this structure, the movable frame 2 can move laterally on the testing table 1 to facilitate testing at different positions of the display substrate. The electric push rod 3 drives the ultrasonic probe 4 to move up and down to facilitate moving the ultrasonic probe 4 to the surface of the display substrate. The ultrasonic probe 4 is used to test the interior of the substrate, such as voids, cracks, bubbles and inclusions. The tested image is then transmitted to the display screen on the surface of the ultrasonic tester 5 for display.
[0024] It is worth noting that the detection device consisting of ultrasonic probe 4 and ultrasonic detector 5 determines the internal structural integrity of the material by emitting ultrasonic waves and receiving their echoes, thereby detecting defects inside the substrate. This is existing technology and will not be described in detail here.
[0025] In a specific embodiment, as shown in the appendix Figure 1 As shown, a conveying cleaning structure is provided on one side of the moving frame 2 on the surface of the testing table 1. The conveying cleaning structure includes two first mounting seats 6, both of which are fixedly installed on the right end of the testing table 1. A second mounting seat 7 is provided on one side of each of the two first mounting seats 6, and a third mounting seat 8 is provided on one side of each of the second mounting seats 7. Adhesive rollers 9 are vertically distributed and rotatably installed between the two first mounting seats 6. Adhesive stickers 10 are wrapped around the outside of the adhesive rollers 9. Rubber rollers 11 are vertically distributed and rotatably installed between the two second mounting seats 7. Support rollers 12 are vertically distributed and rotatably installed between the two third mounting seats 8. A first motor 13 is fixedly installed on the outer wall of one of the second mounting seats 7. The output end of the first motor 13 is fixedly connected to one end of the corresponding rubber roller 11.
[0026] Specifically, in the structure, before the internal defect detection of the substrate, one end of the substrate is passed between the two dust sticking rollers 9 and extended to between the two rubber rollers 11, the first motor 13 can drive the bottom rubber roller 11 to rotate between the two second mounting seats 7, the rotation of the rubber roller 11 can drive the substrate to move left and right, when the substrate is moving, the dust sticking stickers 10 on the two dust sticking rollers 9 can stick the dust on the surface of the substrate, so as to avoid the dust attached to the surface of the substrate from affecting the precision of the ultrasonic detection, and when the substrate moves to between the two supporting rollers 12, the substrate can be supported.
[0027] Further, with the continuous movement of the substrate under the action of the two rubber rollers 11, and the movement of the moving frame 2 on the detection table 1, the internal defect detection operation can be performed on different positions on the surface of the substrate.
[0028] In specific embodiments, as shown in the accompanying drawings Figure 1 , 3 , the inner walls of the two first mounting seats 6, the second mounting seat 7 and the third mounting seat 8 are provided with rectangular grooves 14, one of the rectangular grooves 14 is provided with a screw rod 15 rotatably arranged inside, and the other mounting groove is provided with a guide rod 16 fixedly arranged inside, the outer parts of the screw rod 15 and the guide rod 16 are provided with adjusting seats 17 and guide seats 18 respectively, the adjusting seat 17 is located inside the rectangular groove 14 and is threadedly connected with the screw rod 15, the guide seat 18 is slidably connected with the guide rod 16, and the adjusting seat 17 and the guide seat 18 are rotatably connected with the two ends of the dust sticking roller 9, the rubber roller 11 and the supporting roller 12.
[0029] Specifically, in the structure, according to the thickness of the substrate, the corresponding screw rod 15 is rotated to adjust the adjusting seat 17 up and down outside the screw rod 15, and then the top dust sticking roller 9, rubber roller 11 and supporting roller 12 are adjusted up and down under the sliding guidance of the guide seat 18 and the guide rod 16, so that the distance between the two dust sticking rollers 9, rubber rollers 11 and supporting rollers 12 distributed up and down can be adjusted according to the thickness of the substrate, and the substrate of different widths can be adapted.
[0030] In specific embodiments, as shown in the accompanying drawings Figure 1 , 2 , the two outer walls of the detection table 1 are provided with sliding grooves, one of the sliding grooves is provided with a screw rod 19, and the other sliding groove is provided with a sliding rod 20, the outer parts of the screw rod 19 and the sliding rod 20 are provided with a threaded block 21 and a sliding block 22 respectively, one end of the screw rod 19 is provided with a second motor 23, the second motor 23 is fixedly installed on one end of the detection table 1, the output end of the second motor 23 is fixedly connected with the screw rod 19, the threaded block 21 is threadedly connected outside the screw rod 19, the sliding block 22 is slidably connected with the sliding rod 20, and the threaded block 21 and the sliding block 22 are fixedly installed on the inner wall surfaces of the moving frame 2 respectively.
[0031] Specifically, in this structure, the second motor 23 drives the screw rod 19 to operate, so that the threaded block 21 drives the moving frame 2 to move transversely along the detection table 1 under the action of the sliding block 22 and the sliding rod 20, the movement of the moving frame 2 can drive the ultrasonic probe 4 to move, thereby detecting different positions on the surface of the substrate.
[0032] In specific embodiments, as shown in the accompanying drawings, Figure 3 , 4 The surface of the dust sticking roller 9 and the inner wall of the adhesive sticker 10 are provided with magic stickers 24, and the adhesive sticker 10 and the dust sticking roller 9 are detachably connected through the magic stickers 24. The adhesive sticker 10 is made of silicone rubber material.
[0033] Specifically, after the surface of the adhesive sticker 10 adsorbs a large amount of dust, the adhesive sticker 10 is torn off from the surface of the dust sticking roller 9 through the magic stickers 24, and the adhesive sticker 10 can be disassembled, replaced and cleaned.
[0034] The utility model discloses a working principle:
[0035] The application provides a substrate internal detection device. First, according to the thickness of the display screen substrate, the distance between the two dust sticking rollers 9, the rubber rollers 11 and the supporting rollers 12 distributed above and below is adjusted by rotating the corresponding screw rod 15, so as to adapt to substrates of different widths.
[0036] One end of the substrate passes between the two dust sticking rollers 9 and extends between the two rubber rollers 11. The first motor 13 can drive the bottom rubber roller 11 to rotate between the two second mounting seats 7. The rotation of the rubber roller 11 can drive the substrate to move left and right. When the substrate is moving, the adhesive stickers 10 on the two dust sticking rollers 9 can adhere to the dust on the surface of the substrate, so as to avoid the influence of the dust adhered to the surface of the substrate on the precision of ultrasonic detection. Moreover, when the substrate moves between the two supporting rollers 12, the substrate can be supported.
[0037] The second motor 23 drives the screw rod 19 to operate, so that the threaded block 21 drives the moving frame 2 to move transversely along the detection table 1 under the action of the sliding block 22 and the sliding rod 20. The movement of the moving frame 2 can drive the ultrasonic probe 4 to move. Moreover, the substrate continuously moves under the action of the two rubber rollers 11, and the moving frame 2 moves on the detection table 1, so that the internal defect detection operation can be performed on different positions on the surface of the substrate.
[0038] The operator can tear off the adhesive sticker 10 from the surface of the dust sticking roller 9 through the magic stickers 24, so as to disassemble, replace and clean the adhesive sticker 10.
[0039] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. Apparatus for detecting inside a substrate, comprising a detection station (1), characterized by the fact that: The detection table (1) is provided with a moving frame (2) which is slidably installed on the detection table (1), the top of the moving frame (2) is provided with an electric push rod (3), the output end of the electric push rod (3) is fixedly provided with an ultrasonic probe (4), the outer wall of the detection table (1) is fixedly installed with an ultrasonic detector (5), the ultrasonic probe (4) and the ultrasonic detector (5) are electrically connected, and the surface of the detection table (1) is provided with a conveying type cleaning structure on one side of the moving frame (2). The conveying type cleaning structure comprises two first mounting seats (6), the two first mounting seats (6) are fixedly installed on the right end of the detection table (1), one side of each of the two first mounting seats (6) is provided with a second mounting seat (7), one side of the second mounting seat (7) is provided with a third mounting seat (8), a dust sticking roller (9) is rotatably installed between the two first mounting seats (6) in an up-down distribution manner, the outer part of the dust sticking roller (9) is wrapped with a sticky patch (10), a rubber roller (11) is rotatably installed between the two second mounting seats (7) in an up-down distribution manner, and a supporting roller (12) is rotatably installed between the two third mounting seats (8) in an up-down distribution manner, the outer wall of one of the second mounting seats (7) is fixedly installed with a first motor (13), and the output end of the first motor (13) is fixedly connected with one end of the corresponding rubber roller (11).
2. The substrate internal inspection apparatus according to claim 1, characterized by: The inner walls of the two first mounting seats (6), the second mounting seat (7) and the third mounting seat (8) are each provided with a rectangular groove (14), one of the rectangular grooves (14) is internally rotatably provided with a screw rod (15), and the other mounting groove is internally fixedly provided with a guide rod (16), and the outer parts of the screw rod (15) and the guide rod (16) are respectively provided with an adjusting seat (17) and a guide seat (18).
3. The substrate internal inspection apparatus according to claim 2, characterized by: The adjusting seat (17) is located in the rectangular groove (14) and is threadedly connected with the screw rod (15), the guide seat (18) is slidably connected with the guide rod (16), and the adjusting seat (17) and the guide seat (18) are rotatably connected with both ends of the corresponding dust sticking roller (9), rubber roller (11) and supporting roller (12).
4. The substrate internal inspection apparatus according to claim 1, characterized by: The two outer walls of the detection table (1) are each provided with a sliding groove, one of the sliding grooves is internally provided with a lead screw (19), and the other sliding groove is internally provided with a sliding rod (20), the outer parts of the lead screw (19) and the sliding rod (20) are respectively provided with a threaded block (21) and a sliding block (22), and one end of the lead screw (19) is provided with a second motor (23).
5. The substrate internal inspection apparatus according to claim 1, characterized by: The second motor (23) is fixedly installed on one end of the detection table (1), the output end of the second motor (23) is fixedly connected with the lead screw (19), the threaded block (21) is threadedly connected on the outer part of the lead screw (19), the sliding block (22) is slidably connected with the sliding rod (20), and the threaded block (21) and the sliding block (22) are respectively fixedly installed on the inner wall surfaces of the two moving frames (2).
6. The substrate internal inspection apparatus according to claim 1, characterized by: The surface of the dust sticking roller (9) and the inner wall of the sticky patch (10) are each provided with a magic tape (24), the sticky patch (10) and the dust sticking roller (9) are detachably connected through the magic tape (24), and the sticky patch (10) is made of silicone rubber material.