A device for detecting surface defects of a part

Abstract

The utility model discloses a kind of part surface defect detection devices, it is related to detection device technical field, including base, the upper side of base is fixedly connected with multiple struts, the upper end of strut is provided with slide rail, the opposite surface of two slide rails is slidably connected with a moving seat, the lower side of moving seat is fixedly connected with industrial camera, the opposite surface of two struts is fixedly connected with two fixed rods, the outer wall of fixed rod is slidably connected with push plate, the front side of base is fixedly connected with fixed base, the upper side of fixed base is provided with two slide grooves.The utility model is cooperated by fixed base, connecting rod, slide groove, limit post, first motor, worm, worm wheel and threaded column, can push part to device middle, if part deviates center, sensor can not cover edge area, leading to missed detection, centrally placed can ensure that entire part surface is detected completely.

Description

Technical Field

[0001] This utility model relates to the field of detection device technology, specifically to a device for detecting surface defects in parts. Background Technology

[0002] In the process of mass production, the surface quality of parts is inspected in real time. The inspection device can quickly identify defects such as scratches, cracks, and pinholes on the surface of the parts. This helps to remove unqualified parts in a timely manner and prevent defective parts from entering the subsequent assembly process, thereby ensuring the quality and safety of the entire automotive product. Generally, imaging equipment such as industrial cameras are used to take pictures of the surface of the parts under suitable lighting conditions to obtain images of the surface of the parts.

[0003] The existing technology has the following problems:

[0004] Existing devices cannot clean the surface of industrial cameras during use. Industrial camera lenses are exposed to the production environment and are prone to accumulating contaminants such as dust, oil, and metal shavings. These contaminants can block light, resulting in blurred images, reduced contrast, and even masking defects on the surface of parts, leading to missed detections or misjudgments. In addition, existing devices cannot push parts to the center of the device. If the parts are off-center, the detection sensors may not be able to completely cover the surface of the parts, causing edges or local areas to become blind spots, increasing the risk of missed detections. Utility Model Content

[0005] This invention provides a device for detecting surface defects in parts, in order to solve the problems existing in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A part surface defect detection device includes a base, a plurality of pillars fixedly connected to the upper side of the base, a slide rail provided at the upper end of the pillars, a movable seat slidably connected to the opposite surfaces of two of the slide rails, an industrial camera fixedly connected to the lower side of the movable seat, two fixed rods fixedly connected to the opposite surfaces of the two pillars, and a push plate slidably connected to the outer wall of the fixed rods.

[0008] A further improvement of the present invention is that: a fixed seat is fixedly connected to the front side of the base, two sliding grooves are provided on the upper side of the fixed seat, a limiting post is fixedly connected to the inner surface of the sliding groove, a connecting rod is slidably connected to the outer wall of the limiting post, and the other end of the connecting rod is fixedly connected to the push plate.

[0009] A further improvement of this utility model is that: a first motor is fixedly connected to the rear side of the inner surface of the fixed base, a worm is fixedly connected to the output end of the first motor, a worm wheel is meshed with the outer wall of the worm, a threaded column is fixedly connected through the left side of the worm wheel, the outer wall of the threaded column is threadedly connected to the connecting rod, and the threads at the left and right ends of the outer wall of the threaded column are in opposite directions.

[0010] A further improvement of this utility model is that: a second motor is fixedly connected to the rear side of the industrial camera, a threaded rod is fixedly connected to the output end of the second motor, an L-shaped plate is threadedly connected to the outer wall of the threaded rod, and the outer wall of the L-shaped plate is slidably connected to the industrial camera.

[0011] A further improvement of this utility model is that: a movable frame is fixedly connected to the front end of the L-shaped plate, two guide posts are fixedly connected to the inner surface of the industrial camera, the outer wall of the guide posts is slidably connected to the movable frame, a fixed plate is fixedly connected to the inner surface of the industrial camera, and multiple triangular blocks are fixedly connected to the left side of the fixed plate.

[0012] A further improvement of this utility model is that: two limiting rods are fixedly connected to the left side of the inner surface of the movable frame, a cleaning plate is slidably connected to the outer wall of the limiting rod, the inclined surface of the triangular block is movably connected to the cleaning plate, a spring is sleeved on the outer wall of the limiting rod, one end of the spring is fixedly connected to the movable frame, the other end of the spring is fixedly connected to the cleaning plate, and the cleaning surface of the cleaning plate is slidably connected to the industrial camera.

[0013] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0014] 1. This utility model provides a part surface defect detection device. Through the cooperation of a fixed base, connecting rod, slide groove, limiting column, first motor, worm, worm wheel and threaded column, the part can be pushed to the center of the device. If the part is off-center, the sensor may not be able to cover the edge area, resulting in missed detection. Placing it in the center can ensure that the entire surface of the part is completely detected.

[0015] 2. This utility model provides a part surface defect detection device. Through the cooperation of a second motor, a threaded rod, an L-shaped plate, a movable frame, a guide post, a fixed plate, a triangular block, a cleaning plate, a limit rod, and a spring, it can clean the surface of an industrial camera. Regular cleaning can ensure that the camera is always in a clear imaging state, reduce misjudgments and omissions caused by image quality problems, and thus ensure the reliability of the detection results. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0018] Figure 3 This is a schematic diagram of the internal structure of the fixing base of this utility model;

[0019] Figure 4 This is a schematic diagram of the cleaning structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the important structure of this utility model.

[0021] In the diagram: 1. Base; 2. Support column; 3. Fixing rod; 4. Push plate; 5. Slide rail; 6. Moving seat; 7. Industrial camera; 8. Fixing seat; 9. Connecting rod; 10. Slide groove; 11. Limiting post; 12. First motor; 13. Worm gear; 14. Worm wheel; 15. Second motor; 16. Threaded rod; 17. L-shaped plate; 18. Movable frame; 19. Guide post; 20. Fixing plate; 21. Triangular block; 22. Cleaning plate; 23. Limiting rod; 24. Spring; 25. Threaded post. Detailed Implementation

[0022] To make the technical means, creative features, objectives, and effects of this utility model easier to understand, the following describes this utility model in conjunction with specific embodiments:

[0023] like Figure 1 As shown, this utility model provides a part surface defect detection device, including a base 1. Multiple support columns 2 are fixedly connected to the upper side of the base 1. Slide rails 5 are provided at the upper end of the support columns 2. A movable seat 6 is slidably connected to the opposite surfaces of two slide rails 5. An industrial camera 7 is fixedly connected to the lower side of the movable seat 6. Two fixed rods 3 are fixedly connected to the opposite surfaces of the two support columns 2. A push plate 4 is slidably connected to the outer wall of the fixed rod 3. The overall structure of this device is based on the base 1 for support, and the upper frame is built by the support columns 2. The slide rails 5 at the upper end of the support columns 2 provide sliding tracks for the movable seat 6. The industrial camera 7 on the lower side of the movable seat 6 can move along the slide rails 5 with the movable seat 6 to realize the imaging and detection of different areas of the part. The push plate 4 slidably connected to the fixed rod 3 is used for subsequent adjustment of the position of the part to ensure that the part is in the optimal detection position. The overall structure provides a stable hardware foundation for the detection of part surface defects through the coordinated cooperation of mechanical components. The industrial camera 7, as the core detection component, realizes defect identification by acquiring images of the part surface. The design of the push plate 4 and the movable seat 6 ensures the comprehensiveness of the detection from the aspects of part positioning and camera detection range coverage, respectively.

[0024] like Figure 2-3As shown, this utility model provides a technical solution: Preferably, a fixed seat 8 is fixedly connected to the front side of the base 1. Two sliding grooves 10 are provided on the upper side of the fixed seat 8. A limiting post 11 is fixedly connected to the inner surface of the sliding groove 10. A connecting rod 9 is slidably connected to the outer wall of the limiting post 11. The other end of the connecting rod 9 is fixedly connected to the push plate 4. A first motor 12 is fixedly connected to the rear side of the inner surface of the fixed seat 8. A worm gear 13 is fixedly connected to the output end of the first motor 12. A worm wheel 14 is meshed with the outer wall of the worm gear 13. A threaded post 25 is fixedly connected through the left side of the worm wheel 14. The outer wall of the threaded post 25 is threadedly connected to the connecting rod 9. The threads on the left and right ends of the outer wall of the threaded post 25 are opposite in direction to solve the problem of leakage caused by the off-center parts. To detect problems, the device automatically centers the parts through the fixed base 8 and its internal structure. When the first motor 12 starts, its output end drives the worm gear 13 to rotate. The worm gear 13 meshes with the worm wheel 14, causing the worm wheel 14 to drive the threaded column 25 to rotate. Since the threads at the left and right ends of the threaded column 25 are opposite in direction and its outer wall is threadedly connected to the connecting rod 9, when the threaded column 25 rotates, the two connecting rods 9 will slide in opposite or opposite directions along the limiting post 11 in the slide groove 10. The push plate 4 connected to the connecting rod 9 moves synchronously. When the part is placed on the base 1, the push plate 4 pushes the part from both sides to the middle, finally adjusting the part to the center position, ensuring that the industrial camera 7 can completely capture the surface of the part and avoid missing the edge area.

[0025] like Figure 4-5As shown, this utility model provides a technical solution: Preferably, a second motor 15 is fixedly connected to the rear side of the industrial camera 7. A threaded rod 16 is fixedly connected to the output end of the second motor 15. An L-shaped plate 17 is threadedly connected to the outer wall of the threaded rod 16. The outer wall of the L-shaped plate 17 is slidably connected to the industrial camera 7. A movable frame 18 is fixedly connected to the front end of the L-shaped plate 17. Two guide posts 19 are fixedly connected to the inner surface of the industrial camera 7. The outer walls of the guide posts 19 are slidably connected to the movable frame 18. A fixed plate 20 is fixedly connected to the inner surface of the industrial camera 7. Multiple triangular blocks 21 are fixedly connected to the left side of the fixed plate 20. Two limiting rods 23 are fixedly connected to the left side of the inner surface of the movable frame 18. A cleaning plate 22 is slidably connected to the outer wall of the limiting rod 23. The inclined surface of the triangular block 21 is movably connected to the cleaning plate 22. A spring 24 is sleeved on the outer wall of the limiting rod 23. One end of the spring 24 is fixedly connected to the movable frame 18, and the other end of the spring 24 is fixedly connected to the cleaning plate 22. The cleaning surface of the cleaning plate 22 is connected to the industrial camera. 7. Sliding connection: To ensure clear imaging of the industrial camera 7, the device is designed with an automatic cleaning structure. When the second motor 15 starts, its output end drives the threaded rod 16 to rotate. The L-shaped plate 17, which is threaded to the threaded rod 16, slides along the surface of the industrial camera 7. At the same time, the movable frame 18 at the front end of the L-shaped plate 17 moves synchronously along the guide post 19. When the movable frame 18 moves, the cleaning plate 22 performs preliminary cleaning on the lens surface. In addition, during the movement of the movable frame 18, the triangular block 21 on the fixed plate 20 will contact the cleaning plate 22. The inclined surface of the triangular block 21 presses the cleaning plate 22, causing the cleaning plate 22 to compress the spring 24 along the limit rod 23. When the movable frame 18 continues to move and the cleaning plate 22 disengages from the triangular block 21, the spring 24 resets and pushes the cleaning plate 22 back, forming a reciprocating wiping of the lens surface. Through this combination of moving cleaning and elastic rebound, dust and impurities on the lens surface can be effectively removed, ensuring that the industrial camera 7 always maintains a clear imaging state and reducing misjudgments and omissions caused by image quality problems.

[0026] The working principle of the surface defect detection device for this part will be explained in detail below.

[0027] like Figure 1-5As shown, to solve the problem of missed inspections caused by parts being off-center, the device achieves automatic centering of parts through the fixed base 8 and its internal structure. When the first motor 12 starts, its output end drives the worm gear 13 to rotate. The worm gear 13 meshes with the worm wheel 14, causing the worm wheel 14 to drive the threaded column 25 to rotate. Since the threads at the left and right ends of the threaded column 25 are opposite in direction, and its outer wall is threadedly connected to the connecting rod 9, when the threaded column 25 rotates, the two connecting rods 9 will slide in opposite or opposite directions along the limiting post 11 in the slide groove 10. The push plate 4 connected to the connecting rod 9 moves synchronously. When the part is placed on the base 1, the push plate 4 pushes the part from both sides towards the middle, finally adjusting the part to the center position, ensuring that the industrial camera 7 can completely capture the surface of the part and avoid missing inspections in the edge area. To ensure clear imaging by the industrial camera 7, the device is designed with an automatic cleaning structure. When the second motor 15 starts... When the output end drives the threaded rod 16 to rotate, the L-shaped plate 17, which is threadedly connected to the threaded rod 16, slides along the surface of the industrial camera 7. At the same time, the movable frame 18 at the front end of the L-shaped plate 17 moves synchronously along the guide post 19. When the movable frame 18 moves, the cleaning plate 22 performs a preliminary cleaning of the lens surface. In addition, during the movement of the movable frame 18, the triangular block 21 on the fixed plate 20 will contact the cleaning plate 22. The inclined surface of the triangular block 21 squeezes the cleaning plate 22, causing the cleaning plate 22 to compress the spring 24 along the limit rod 23. When the movable frame 18 continues to move and the cleaning plate 22 disengages from the triangular block 21, the spring 24 resets and pushes the cleaning plate 22 back, forming a reciprocating wiping of the lens surface. Through this combination of moving cleaning and elastic rebound, dust and impurities on the lens surface can be effectively removed, ensuring that the industrial camera 7 always maintains a clear imaging state and reducing misjudgments and omissions caused by image quality problems.

[0028] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A device for detecting surface defects in parts, characterized in that: Includes a base (1), on the upper side of which multiple pillars (2) are fixedly connected. The upper end of each pillar (2) is provided with a slide rail (5). A movable seat (6) is slidably connected to the opposite surfaces of two slide rails (5). An industrial camera (7) is fixedly connected to the lower side of the movable seat (6). Two fixed rods (3) are fixedly connected to the opposite surfaces of the two pillars (2). A push plate (4) is slidably connected to the outer wall of the fixed rod (3).

2. The part surface defect detection device according to claim 1, characterized in that: A fixed seat (8) is fixedly connected to the front side of the base (1). Two sliding grooves (10) are provided on the upper side of the fixed seat (8). A limiting post (11) is fixedly connected to the inner surface of the sliding groove (10). A connecting rod (9) is slidably connected to the outer wall of the limiting post (11). The other end of the connecting rod (9) is fixedly connected to the push plate (4).

3. The part surface defect detection device according to claim 2, characterized in that: A first motor (12) is fixedly connected to the rear side of the inner surface of the fixed base (8). A worm (13) is fixedly connected to the output end of the first motor (12). A worm wheel (14) is meshed with the outer wall of the worm (13). A threaded column (25) is fixedly connected through the left side of the worm wheel (14). The outer wall of the threaded column (25) is threadedly connected to the connecting rod (9). The thread directions of the left and right ends of the outer wall of the threaded column (25) are opposite.

4. The part surface defect detection device according to claim 1, characterized in that: The industrial camera (7) is fixedly connected to a second motor (15) on its rear side. The output end of the second motor (15) is fixedly connected to a threaded rod (16). The outer wall of the threaded rod (16) is threadedly connected to an L-shaped plate (17). The outer wall of the L-shaped plate (17) is slidably connected to the industrial camera (7).

5. The part surface defect detection device according to claim 4, characterized in that: The front end of the L-shaped plate (17) is fixedly connected to a movable frame (18), and the inner surface of the industrial camera (7) is fixedly connected to two guide posts (19). The outer wall of the guide posts (19) is slidably connected to the movable frame (18). The inner surface of the industrial camera (7) is fixedly connected to a fixed plate (20), and the left side of the fixed plate (20) is fixedly connected to multiple triangular blocks (21).

6. The part surface defect detection device according to claim 5, characterized in that: Two limiting rods (23) are fixedly connected to the left side of the inner surface of the movable frame (18). A cleaning plate (22) is slidably connected to the outer wall of the limiting rod (23). The inclined surface of the triangular block (21) is movably connected to the cleaning plate (22). A spring (24) is sleeved on the outer wall of the limiting rod (23). One end of the spring (24) is fixedly connected to the movable frame (18), and the other end of the spring (24) is fixedly connected to the cleaning plate (22). The cleaning surface of the cleaning plate (22) is slidably connected to the industrial camera (7).

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