LED diaphragm defect detection processing device and defect detection method

Abstract

The invention discloses an LED diaphragm defect detecting and processing device which comprises a conveying belt, a detecting mechanism is arranged above the conveying belt, and the detecting mechanism can detect and process defects of an LED diaphragm on the conveying belt; the detection mechanism comprises an adjusting mechanism and a limiting mechanism; the adjusting mechanism is arranged above the conveying belt and is used for performing multi-position detection processing on the LED membrane; according to the LED diaphragm defect detecting and processing device, the transverse position of the industrial detecting camera can be adjusted, the longitudinal position and the height position of the industrial detecting camera can also be adjusted, the LED diaphragm defect detecting and processing device can be used for detecting the defects of the LED diaphragm, and the defect detecting and processing device can be used for detecting the defects of the LED diaphragm. The defect detection efficiency of the LED diaphragm can be improved, the detection effect can also be improved, if defects exist, the laser marking machine is used for printing marks on the defect positions, and workers can conveniently cut off the marked parts or conduct follow-up repair.

Description

Technical Field

[0001] The present invention relates to the field of LED diaphragms, and in particular to an LED diaphragm defect detection and processing device and a defect detection method. Background Art

[0002] ‌LED film‌ is a new type of LED display product. It uses a specific bare chip to fix the LED light on a high-transmittance PCB board, and then uses a unique glue covering process to integrate the display module into a high-transmittance optical lens-type substrate. Its thickness is usually between 1-3mm. LED film needs to be inspected after production and processing. In order to improve the inspection efficiency, industrial inspection cameras are generally used for inspection. However, industrial inspection cameras are generally fixed in position, and the inspection effect needs to be improved. In addition, after the LED film detects defects, it is not convenient to quickly mark them. Therefore, it is necessary to propose an LED film defect detection and processing device. Summary of the invention

[0003] The object of the present invention is to provide a device for detecting and processing LED film defects to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: An LED film defect detection and processing device comprises a conveyor belt, and a detection mechanism is arranged above the conveyor belt, and the detection mechanism can detect and process LED film defects on the conveyor belt; The detection mechanism includes an adjustment mechanism and a limiting mechanism; the adjustment mechanism is arranged above the conveyor belt and is used for multi-position detection and processing of the LED diaphragm; the limiting mechanism is arranged on both sides of the conveyor belt and is used for limiting the LED diaphragm.

[0005] Preferably, the adjustment mechanism comprises a first support plate and a second support plate, the first support plate is installed on one side of the conveyor belt, the second support plate is installed on the other side of the conveyor belt, and a light board is installed between the first support plate and the second support plate.

[0006] Preferably, a first screw rod and a guide rod are rotatably mounted between the tops of the first support plate and the second support plate respectively, and a first motor is also mounted on the top of the first support plate, and an output end of the first motor is connected to the first screw rod.

[0007] Preferably, a support seat is threadedly installed on the first screw rod, the other end of the support seat is slidably connected to the guide rod, the second screw rod is rotatably installed inside the support seat, the movable seat is threadedly installed on the second screw rod, a second motor is installed at one end of the support seat, the output end of the second motor is connected to the second screw rod, and a fill light is installed at the bottom of the support seat.

[0008] Preferably, a support block is installed at the bottom of the movable seat, an electric push rod is installed on the support block, and an output end of the electric push rod is connected to the third support plate.

[0009] Preferably, a detection camera and a marking head are respectively installed at the bottom of the third support plate, and a laser marking machine is installed at the top of the movable seat, and the laser marking machine is electrically connected to the marking head.

[0010] Preferably, the limiting mechanism comprises a fourth support plate and a screw rod, the fourth support plate is respectively mounted on the first support plate and the second support plate, and the screw rod is threadedly mounted on the fourth support plate.

[0011] Preferably, one end of the screw is rotatably connected to a limit plate, and the other end of the screw is mounted with a rotating wheel.

[0012] To achieve the above object, the present invention also provides the following technical solution: a method for detecting defects in an LED film, according to the defect detection and processing device, the steps are as follows: (1) The conveyor belt transports the LED film to the bottom of the detection camera, the rotating wheel rotates, the position of the limit plate is adjusted, and the LED film is limited by the limit plate; (2) The first motor drives the first screw to rotate, and the first screw rotates to drive the support base to move, thereby adjusting the position of the support base, thereby adjusting the position of the detection camera and the marking head; (3) The second motor drives the second screw to rotate, and the second screw rotates to drive the movable seat to move in the support seat, and the movable seat moves to adjust the position of the detection camera; (4) Use a fill light to illuminate the LED film on the conveyor belt; (5) The electric push rod drives the inspection camera and the marking head to adjust the height. The inspection camera takes pictures of the place where the LED diaphragm light shines to detect whether there are any defects; (6) If there are defects, the laser marking machine will print and mark the defective area through the marking head, making it convenient for workers to cut off the marked part or repair it later.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention.

[0014] Beneficial effects: By setting up the LED diaphragm defect detection and processing device, not only the lateral position of the industrial detection camera can be adjusted, but also the longitudinal position and height position of the industrial detection camera can be adjusted, which can not only improve the efficiency of LED diaphragm defect detection but also improve the detection effect. If there are defects, the defective area can be printed and marked by a laser marking machine, which is convenient for workers to cut off the marked part or repair it later. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a LED film defect detection and processing device Figure 1 ; Figure 2 A schematic diagram of a LED film defect detection and processing device Figure 2 ; Figure 3 A schematic diagram of a LED film defect detection and processing device Figure 3 ; Figure 4 A schematic diagram of a support base in an LED film defect detection and processing device Figure 1 ; Figure 5 A schematic diagram of a support base in an LED film defect detection and processing device Figure 2 .

[0016] In the figure: 1. conveyor belt; 2. adjustment mechanism; 21. first support plate; 211. second support plate; 22. light board; 23. first motor; 231. second motor; 24. first screw; 241. second screw; 242. guide rod; 25. support seat; 251. moving seat; 26. laser marking machine; 261. marking head; 27. fill light; 28. detection camera; 29. ​​support block; 291. electric push rod; 292. third support plate; 3. limit mechanism; 31. fourth support plate; 32. screw; 33. rotating wheel; 34. limit plate; 100. detection mechanism. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0018] like Figure 1-Figure 5 ; An LED film defect detection and processing device comprises a conveyor belt 1, the conveyor belt 1 conveys the LED film to the bottom of the detection camera 28, and a detection mechanism 100 is arranged above the conveyor belt 1, and the detection mechanism 100 can detect and process the LED film defects on the conveyor belt 1; The detection mechanism 100 includes an adjustment mechanism 2 and a limit mechanism 3; the adjustment mechanism 2 is arranged above the conveyor belt 1, and is used for multi-position detection and processing of the LED film; the limit mechanism 3 is arranged on both sides of the conveyor belt 1, and is used for limiting the position of the LED film; Furthermore, the adjustment mechanism 2 includes a first support plate 21 and a second support plate 211. The first support plate 21 is installed on one side of the conveyor belt 1, and the second support plate 211 is installed on the other side of the conveyor belt 1. The first support plate 21 and the second support plate 211 are used to support and install the first screw 24 and the guide rod 242. A light board 22 is installed between the first support plate 21 and the second support plate 211. The conveyor belt 1 is a white belt. The bottom of the LED film on the conveyor belt 1 can be supplemented with light through the light board 22. The first screw 24 and the guide rod 242 are rotatably installed between the tops of the first support plate 21 and the second support plate 211, respectively. A first motor 23 is also installed on the top of the first support plate 21. The first motor 23 is used to drive the first screw 24 to rotate. The output end of the first motor 23 is connected to the first screw 24. The first screw 24 rotates to drive the support seat 25 to move, thereby adjusting the position of the support seat 25. Furthermore, a support seat 25 is threadedly installed on the first screw rod 24, and the support seat 25 is used to support the detection camera 28 to move and adjust the position. The other end of the support seat 25 is slidably connected to the guide rod 242, and the guide rod 242 is used to guide the support seat 25 to move. A second screw rod 241 is rotatably installed inside the support seat 25, and the second motor 231 drives the second screw rod 241 to rotate. The second screw 241 rotates, and the movable seat 251 is guided to move in the support seat 25. The movable seat 251 is threadedly installed on the second screw 241, and the position of the detection camera 28 is adjusted by moving the movable seat 251. A second motor 231 is installed at one end of the support seat 25, and the output end of the second motor 231 is connected to the second screw 241. A fill light 27 is installed at the bottom of the support seat 25, and the fill light 27 is used to irradiate fill light to the LED diaphragm on the conveyor belt 1. A support block 29 is installed at the bottom of the movable seat 251, and the support block 29 is used to The electric push rod 291 is supported and installed. The electric push rod 291 is installed on the support block 29. The electric push rod 291 is used to drive the detection camera 28 and the marking head 261 to rise and fall and adjust the height. The output end of the electric push rod 291 is connected to the third support plate 292. The third support plate 292 is used to support and install the detection camera 28 and the marking head 261. The detection camera 28 and the marking head 261 are respectively installed at the bottom of the third support plate 292. The detection camera 28 takes pictures of the place where the LED diaphragm light is illuminated to detect whether there are defects. If there are defects, the laser marking machine 26 prints and marks the defective place through the marking head 261, which is convenient for workers to cut off the marked part or repair it later. The detection camera 28 model is FCB-EV7100, and the laser marking machine 26 model is CK-CO2-30W. The laser marking machine 26 is installed on the top of the moving seat 251, and the laser marking machine 26 is electrically connected to the marking head 261. Furthermore, the limiting mechanism 3 includes a fourth support plate 31 and a screw 32. The fourth support plate 31 is respectively installed on the first support plate 21 and the second support plate 211. The fourth support plate 31 is used to support and install the screw 32. The screw 32 is threadedly installed on the fourth support plate 31. The screw 32 is rotated by rotating the wheel 33. One end of the screw 32 is rotatably connected to the limiting plate 34. The other end of the screw 32 is installed with the wheel 33. The wheel 33 is rotated to adjust the position of the limiting plate 34, and the LED diaphragm is limited by the limiting plate 34.

[0019] The working principle of the present invention is as follows: the conveyor belt 1 conveys the LED diaphragm to the bottom of the detection camera 28, the rotating wheel 33 rotates to adjust the position of the limit plate 34, and the LED diaphragm is limited by the limit plate 34. The first motor 23 drives the first screw 24 to rotate. The first screw 24 rotates to drive the support seat 25 to move, and the position of the support seat 25 is adjusted, thereby adjusting the position of the detection camera 28 and the marking head 261. The second motor 231 drives the second screw 241 to rotate. The second screw 241 rotates to drive the moving seat 251 to move in the support seat 25. The moving seat 251 moves to adjust the position of the detection camera 28, and the fill light 27 is used to illuminate the LED diaphragm on the conveyor belt 1. The electric push rod 291 drives the detection camera 28 and the marking head 261 to rise and fall to adjust the height. The detection camera 28 takes pictures of the place where the LED diaphragm is illuminated by the light to detect whether there is a defect. If there is a defect, the laser marking machine 26 prints and marks the defective place through the marking head 261, which is convenient for workers to cut off the marked part or repair it later.

[0020] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A device for detecting and processing defects in LED film, comprising a conveyor belt (1), characterized in that: A detection mechanism (100) is arranged above the conveyor belt (1), and the detection mechanism (100) is capable of detecting and processing defects of the LED film on the conveyor belt (1); The detection mechanism (100) comprises an adjustment mechanism (2) and a limit mechanism (3); The adjustment mechanism (2) is arranged above the conveyor belt (1) and is used for multi-position detection and processing of the LED film; The limiting mechanisms (3) are arranged on both sides of the conveyor belt (1) and are used to limit the position of the LED film.

2. The LED film defect detection and processing device according to claim 1, characterized in that: The adjustment mechanism (2) comprises a first support plate (21) and a second support plate (211), wherein the first support plate (21) is mounted on one side of the conveyor belt (1), and the second support plate (211) is mounted on the other side of the conveyor belt (1), and a light board (22) is mounted between the first support plate (21) and the second support plate (211).

3. The LED film defect detection and processing device according to claim 2, characterized in that: A first screw rod (24) and a guide rod (242) are rotatably mounted between the tops of the first support plate (21) and the second support plate (211), respectively; a first motor (23) is also mounted on the top of the first support plate (21); an output end of the first motor (23) is connected to the first screw rod (24).

4. The LED film defect detection and processing device according to claim 3, characterized in that: A support seat (25) is threadedly mounted on the first screw rod (24); the other end of the support seat (25) is slidably connected to a guide rod (242); a second screw rod (241) is rotatably mounted inside the support seat (25); a movable seat (251) is threadedly mounted on the second screw rod (241); a second motor (231) is mounted on one end of the support seat (25); an output end of the second motor (231) is connected to the second screw rod (241); and a fill light (27) is mounted at the bottom of the support seat (25).

5. The LED film defect detection and processing device according to claim 4, characterized in that: A support block (29) is installed at the bottom of the movable seat (251), an electric push rod (291) is installed on the support block (29), and an output end of the electric push rod (291) is connected to a third support plate (292).

6. The LED film defect detection and processing device according to claim 5, characterized in that: A detection camera (28) and a marking head (261) are respectively installed at the bottom of the third support plate (292), and a laser marking machine (26) is installed at the top of the movable seat (251), and the laser marking machine (26) is electrically connected to the marking head (261).

7. The LED film defect detection and processing device according to claim 1, characterized in that: The limiting mechanism (3) comprises a fourth support plate (31) and a screw rod (32); the fourth support plate (31) is mounted on the first support plate (21) and the second support plate (211) respectively; the screw rod (32) is threadedly mounted on the fourth support plate (31).

8. The LED film defect detection and processing device according to claim 7, characterized in that: One end of the screw rod (32) is rotatably connected to a limit plate (34), and the other end of the screw rod (32) is mounted with a rotating wheel (33).

9. A method for detecting defects in LED film, characterized in that: The defect detection and processing device according to any one of claims 1 to 8, wherein the steps are: (1) The conveyor belt transports the LED film to the bottom of the detection camera, the rotating wheel rotates, the position of the limit plate is adjusted, and the LED film is limited by the limit plate; (2) The first motor drives the first screw to rotate, and the first screw rotates to drive the support base to move, thereby adjusting the position of the support base, thereby adjusting the position of the detection camera and the marking head; (3) The second motor drives the second screw to rotate, and the second screw rotates to drive the movable seat to move in the support seat, and the position of the detection camera is adjusted by the movement of the movable seat; (4) Use a fill light to illuminate the LED film on the conveyor belt; (5) The electric push rod drives the inspection camera and the marking head to adjust the height. The inspection camera takes pictures of the place where the LED diaphragm light shines to detect whether there are any defects; (6) If there are defects, the laser marking machine will print and mark the defective area through the marking head, making it convenient for workers to cut off the marked part or repair it later.

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