Artificial intelligence control-based metal surface visual detector

Abstract

The application discloses a metal surface visual detector based on artificial intelligence control and relates to the related field of metal detection.The metal surface visual detector based on artificial intelligence control comprises a detection box and a control panel fixed at the right side wall of the detection box.A movable shooting detector is arranged above the inside of the detection box.An independent illuminator is rotatably arranged at the inside side wall of the detection box.A top-in groove is arranged at the left side of the embedded groove.The inner wall size of the top-in groove is matched with the outer wall size of the closed frame.The metal surface visual detector based on artificial intelligence control is provided with an oil feeding mechanism.The limiting mechanism in the detection box is driven to limit small metal pieces of different sizes, which is convenient for lifting and turning in the later stage, and thus the visual detection of different positions can be conveniently performed, the brightness of the surface of the small metal piece can be fully detected, and the detection efficiency of the shooting detector is improved.

Description

Technical Field

[0001] This invention relates to the field of metal inspection technology, specifically to a metal surface visual inspection instrument based on artificial intelligence control. Background Technology

[0002] In modern manufacturing, the quality of metal products directly affects their performance and safety. Accurate detection of metal surface defects is crucial. Traditional metal surface defect detection mainly relies on manual visual inspection, which has problems such as low efficiency, strong subjectivity, and the accuracy of detection being greatly affected by the experience and condition of the inspectors. It is difficult to meet the needs of large-scale industrial production. In order to improve the detection effect, it is necessary to use a surface visual inspection instrument.

[0003] Existing surface visual inspection instruments have certain shortcomings in use. When performing surface visual inspection on objects, external interference may cause certain deviations during the inspection process, which in turn prevents efficient material inspection in later use. To solve the above problems, a general visual inspection platform disclosed in the prior art (Chinese patent application number CN202320260265.X, application date 2023-02-20) can be referred to. This platform can ensure the stable movement of the X-axis moving plate and the Z-axis moving plate along the X-axis direction through the X-axis linear motor and X-axis linear guide rail. Specifically, the X-axis linear motor can also more easily adjust the movement speed to suit the different inspection needs of different products, thereby facilitating efficient inspection of objects. Subsequently, reference can be made to a prior art (Chinese patent application number CN202322938143.4, application date 2023-10-31) that discloses a visual inspection device for reducing the false judgment rate of visual inspection. This device, through a control component including a base, allows the user to adjust the distance between the shooting device and the fixed object, enabling the shooting device to approach the object more closely, facilitating clearer imaging and increasing the accuracy of the photos. Finally, reference can be made to a prior art (Chinese patent application number CN202110065961.0, application date 2021-01-18) that discloses a visual inspection device. This device, through the reasonable coordination of an upper visual inspection mechanism, a lower visual inspection mechanism, a side visual inspection mechanism, and a conveying mechanism, achieves comprehensive inspection of the product's appearance, with a simple overall structure and high inspection efficiency.

[0004] While the aforementioned devices can achieve the goal of efficient object detection, they also have certain drawbacks in use. For visual inspection scenarios involving small metal parts, changes in the external environment (especially fluctuations in lighting) can significantly affect detection efficiency. Specifically, sudden changes in ambient light intensity, reflective interference, or color temperature drift may cause overexposure of highlights, occlusion of shadows, or color distortion during image acquisition, thereby causing feature extraction deviations and reducing detection accuracy.

[0005] Therefore, we propose a metal surface visual inspection instrument based on artificial intelligence control to solve the problems mentioned above. Summary of the Invention

[0006] The purpose of this invention is to provide a metal surface vision inspection instrument based on artificial intelligence control, in order to solve the problem mentioned in the background art that the current vision inspection instruments on the market are used for vision inspection of small metal parts. Changes in the external environment (especially light fluctuations) will significantly affect the detection efficiency. Specifically, sudden changes in ambient light intensity, reflective interference, or color temperature drift may cause overexposure of highlights, occlusion of shadows, or color distortion during image acquisition, which will lead to feature extraction deviation and reduce detection accuracy.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a metal surface visual inspection instrument based on artificial intelligence control, comprising an inspection box and a control panel fixed to the right side wall of the inspection box. A movable imaging inspection instrument is disposed above the interior of the inspection box, and an independent illumination device is rotatably disposed on the inner side wall of the inspection box. An electric push rod is fixed to the top of the inspection box, and the output end of the electric push rod is fixed to one side of a closed frame. An embedding rod is slidably disposed at each of the four corners of the closed frame. The end of the embedding rod near the inspection box corresponds to an embedding groove inside the inspection box. The movement of the embedding rod within the embedding groove enables the operation of an oil delivery mechanism. A top-entry groove is provided on the left side of the embedding groove, and the inner wall dimension of the top-entry groove fits the outer wall dimension of the closed frame.

[0008] Preferably, the oil delivery mechanism includes a docking rod that slides inside the detection box, with the right end of the docking rod fixed to the side wall of the elastic oil bladder. The other side of the elastic oil bladder is attached to the inner wall of the detection box. One end of the elastic oil bladder is connected to a fixed pipe via an oil delivery hose, and the upper end of the elastic oil bladder is also connected to a mating oil bladder via a hose. The outer side of the mating oil bladder is adhered to the inner side of the detection box. The bottom of the independent illuminator is rotatably disposed inside the detection box, and a torsion spring is provided at the rotatable connection between the independent illuminator and the detection box.

[0009] Preferably, a two-way pressure valve is provided at the connection between the elastic oil bladder and the mating oil bladder via a hose, a limiting mechanism is provided at the outer end of the oil delivery hose, and an electromagnetic lock is provided at the top of the docking rod. The output end of the electromagnetic lock acts on the top surface of the docking rod, and the locking and engaging of the limiting rod is achieved by energizing it.

[0010] Preferably, the limiting mechanism includes a fixed pipe fixedly connected to the end of the oil delivery hose, a fitting member slidably disposed on the inner side of the left end of the fixed pipe, a movable pipe fixed at the bottom of the fixed pipe, the bottom of the movable pipe slidably disposed inside the vertical pipe, and the bottom of the vertical pipe fixed inside the detection box. A matching limiting member is also disposed opposite the fitting member, and the bottom of the matching limiting member is fixed inside the detection box.

[0011] Preferably, the right end of the fixed tube is connected to the end of the fitting component via a first reset spring. The fitting component is composed of a spiral rod, a fitting block, and a cooperating spring. The outer end of the fitting block is slidably disposed on the outside of the fixed tube, and the right end of the fitting block is spirally connected to a spiral rod, which is connected to the inner end of the fitting block via a cooperating spring.

[0012] Preferably, the bonding block forms a rotating structure between the spiral rod and the inside of the fixed tube, and the elastic force of the cooperating spring is greater than the elastic force of the first return spring. The outer side of the right end of the spiral rod is bonded to the inner wall of the fixed tube through a piston disc.

[0013] Preferably, the bottom outer side of the moving tube is attached to the inner wall of the vertical tube by a piston block, and an electromagnetically controlled bidirectional nozzle is provided at the bottom of the piston block. In addition, the bottom of the moving tube is connected to the inside of the vertical tube by a second return spring. A bidirectional pressure valve is provided between the second return spring and the elastic oil bladder, and the elastic force of the bidirectional pressure valve is greater than the overall force of the limiting mechanism. The friction between the spiral rod and the attachment block is greater than the elastic force of the electromagnetically controlled bidirectional nozzle.

[0014] Preferably, a horizontal plate is also provided on the left outer wall of the closed frame, and the left outer end of the embedded rod is fixedly connected to the horizontal plate. The inner side of the horizontal plate is connected to the inner wall of the closed frame through several sets of connecting springs. A rack plate is fixed at the center of the inner side of the horizontal plate. The outer side of the rack plate is slidably disposed inside the closed frame. One end of the rack plate is engaged with the outer side of the connecting gear at the inner side of the closed frame. The center of the connecting gear is fixed at the side end of the reflector.

[0015] Preferably, the reflectors are symmetrically distributed in two sets about the vertical center line of the closed frame, and the reflectors, connecting gears and rack plates are all inclined downwards.

[0016] Preferably, several sets of teeth are fixed on both the front and rear sides of the rack plate, and the outer sides of the teeth are engaged with the outer sides of the connecting gear. The rotation range of the reflector is 0 degrees to 40 degrees, and the elastic force of the connecting spring is greater than that of the elastic oil bladder.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: The metal surface visual inspection instrument based on artificial intelligence control is equipped with an oil delivery mechanism that drives the limiting mechanism inside the inspection box to limit small metal parts of different sizes, and facilitates subsequent lifting and flipping processing, thereby facilitating visual inspection processing at different positions. Furthermore, the movement of the closed frame allows the outer wall of the closed frame to slide inside the top groove, enabling the relative movement of the two sets of reflectors, thereby facilitating sufficient illumination and inspection of the surface brightness of small metal parts, and improving the inspection efficiency of the imaging inspection instrument.

[0018] 1. The closing mechanism between the closed frame and the detection box is achieved by an electric push rod. This allows the closed frame to move the embedded rod inside the embedded groove. One end of the embedded rod can then press against the outside of the connecting rod, which in turn presses and delivers the oil inside the elastic oil bladder. This oil is then delivered to the inside of the fixed tube, allowing the mating parts to slide inside the fixed tube. Furthermore, an electromagnetically controlled bidirectional nozzle is installed to deliver the oil between the vertical tube and the moving tube. The height of the metal part after the limit is adjusted, and the delivery is continuous. The mating block can be rotated by a screw rod, facilitating the detection and processing of different positions.

[0019] 2. With the help of the electromagnetic lock, the docking rod can be kept stationary. When the closed frame moves inside the insertion slot through the embedding rod, the closed frame can continue to move inside the top insertion slot. The rack plate on one side of the closed frame can slide inside the closed frame. The connecting gear can drive the reflector to rotate, and different lighting treatments can be achieved through the rotation of the reflector. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0021] Figure 2 This is a side view of the structure of the present invention;

[0022] Figure 3 This is a side view of the detection box structure of the present invention;

[0023] Figure 4 For the present invention Figure 3 Enlarged structural diagram at point A in the middle;

[0024] Figure 5 This is a schematic diagram of the main structure of the elastic oil bladder of the present invention;

[0025] Figure 6 This is a schematic diagram of the main cross-sectional structure of the fixed tube of the present invention;

[0026] Figure 7 This is a schematic diagram of the rear view structure of the independent lighting device of the present invention;

[0027] Figure 8 This is a side view of the closed frame structure of the present invention;

[0028] Figure 9 For the present invention Figure 8 Enlarged structural diagram at point B.

[0029] In the diagram: 1. Detection box; 2. Control panel; 3. Imaging detector; 4. Electric push rod; 5. Closing frame; 501. Moving roller; 6. Embedding rod; 7. Embedding groove; 8. Top groove; 9. Connecting rod; 10. Elastic oil bladder; 11. Oil delivery hose; 12. Fixing pipe; 13. First return spring; 14. Fitting component; 1401. Spiral rod; 1402. Fitting block; 1403. Matching spring; 15. Vertical pipe; 16. Moving pipe; 17. Second return spring; 18. Matching limiting component; 19. Matching oil bladder; 20. Independent lighting instrument; 21. Horizontal plate; 22. Connecting spring; 23. Rack plate; 24. Connecting gear; 25. Reflector. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figures 1-9 The present invention provides the following technical solution: a metal surface visual inspection instrument based on artificial intelligence control.

[0032] Example 1: To facilitate the movement of small metal parts of different sizes and to simplify subsequent inspection and processing, please refer to the attached document. Figure 1 -Appendix Figure 3 Appendix Figure 5 and attached Figure 6The system includes a detection box 1 and a control panel 2 fixed to the right side wall of the detection box 1. A movable imaging detector 3 is located inside the upper part of the detection box 1. An independent lighting device 20 is rotatably mounted on the inner side wall of the detection box 1. An electric push rod 4 is fixed to the top of the detection box 1, and the output end of the electric push rod 4 is fixed to one side of a closed frame 5. Embedded rods 6 are slidably mounted at the four corners of the closed frame 5. The end of the embedded rod 6 closest to the detection box 1 corresponds to one side of an embedded slot 7 opened inside the detection box 1. The movement of the insert rod 6 within the embedding groove 7 enables the operation of the oil delivery mechanism. A top-entry groove 8 is provided on the left side of the embedding groove 7, and the inner wall dimension of the top-entry groove 8 matches the outer wall dimension of the closed frame 5. The oil delivery mechanism includes a docking rod 9 slidably disposed inside the detection box 1, with its right end fixed to the side wall of the elastic oil bladder 10. The other side of the elastic oil bladder 10 is attached to the inner wall of the detection box 1. One end of the elastic oil bladder 10 is connected to the fixed pipe 12 via an oil delivery hose 11, and the upper end of the elastic oil bladder 10 is also connected to... The hose is connected to the mating oil bladder 19, and the outside of the mating oil bladder 19 is adhered to the inside of the test box 1. The bottom of the independent lighting instrument 20 is rotatably installed inside the test box 1, and a torsion spring is also provided at the rotatable connection between the independent lighting instrument 20 and the test box 1. A two-way pressure valve is provided at the connection between the elastic oil bladder 10 and the mating oil bladder 19 through the hose. The outer end of the oil delivery hose 11 is provided with a limiting mechanism. An electromagnetic lock is also provided at the top of the docking rod, and the output end of the electromagnetic lock acts on the top surface of the docking rod. The locking and engaging limit rod is achieved by energizing the device. The limiting mechanism includes a fixed tube 12 fixedly connected to the end of the oil hose 11. A fitting part 14 is slidably provided on the inner side of the left end of the fixed tube 12. A movable tube 16 is also fixed at the bottom of the fixed tube 12. The bottom of the movable tube 16 is slidably provided inside the vertical tube 15. In addition, the bottom of the vertical tube 15 is fixed inside the detection box 1. A matching limit part 18 is also provided opposite the fitting part 14. The bottom of the matching limit part 18 is fixed inside the detection box 1.

[0033] First, the device is inspected before use to ensure it can operate normally. A small metal part is placed on the worktable inside the testing box 1, ensuring it is level with the matching limiting part 18 and the fitting part 14. Then, the electric push rod 4 is controlled via the control panel 2, causing the closing frame 5 to roll on the ground via the moving rollers 501. The embedding rods 6 at the four corners of the closing frame 5 will then embed into the embedding grooves 7. At this time, one end of the embedding rod 6 will press against the inner surface of the embedding groove 7. The connecting rod 9 causes one end of the connecting rod 9 to press against one side of the elastic oil bladder 10, thereby pressing the elastic oil bladder 10 against the inner wall of the detection box 1. At this time, the oil inside the elastic oil bladder 10 will be transported through the oil delivery hose 11. Since the outer end of the fixed tube 12 is connected to the inside of the fixed tube 12, the continuous oil delivery can push the bonding member 14 through the first return spring 13, and the end of the bonding member 14 will be attached to the side of the small metal part. At this time, the limiting member 18 and the bonding member 14 can be used to limit the different small metal parts.

[0034] Example 2: This example differs from Example 1 in that it allows for the lifting and flipping of small metal parts after positioning, facilitating the detection of surface defects across multiple ranges using the camera-detector 3. (See attached image.) Figure 5 and attached Figure 6 The right end of the interior of the fixing tube 12 is connected to the end of the fitting component 14 via a first return spring 13. The fitting component 14 is composed of a spiral rod 1401, a fitting block 1402, and a cooperating spring 1403. The outer end of the fitting block 1402 is slidably disposed on the outside of the fixing tube 12, and the right end of the fitting block 1402 is spirally connected to the spiral rod 1401. The spiral rod 1401 is connected to the inner end of the fitting block 1402 via the cooperating spring 1403. The fitting block 1402 forms a rotating structure with the interior of the fixing tube 12 via the spiral rod 1401, and the elastic force of the cooperating spring 1403 is greater than that of the fitting component 1402. The elastic force of the first return spring 13, the outer side of the right end of the spiral rod 1401 is attached to the inner wall of the fixed tube 12 through the piston disc; the outer side of the bottom of the moving tube 16 is attached to the inner wall of the vertical tube 15 through the piston block, and an electromagnetically controlled bidirectional nozzle is provided at the bottom of the piston block. In addition, the bottom of the moving tube 16 is connected to the inside of the vertical tube 15 through the second return spring 17. A bidirectional pressure valve is provided between the second return spring 17 and the elastic oil bladder 10, and the elastic force of the bidirectional pressure valve is greater than the overall force of the limiting mechanism. The friction between the spiral rod 1401 and the contact block 1402 is greater than the elastic force of the electromagnetically controlled bidirectional nozzle.

[0035] After the small metal part is stopped, the oil inside the elastic oil bladder 10 will continue to be delivered. At this time, since the spiral rod 1401 and the inner side of the bonding block 1402 are spirally connected, and the friction between the spiral rod 1401 and the bonding part 14 is greater than the elastic force of the electromagnetically controlled bidirectional nozzle, the oil will be delivered between the vertical tube 15 and the moving tube 16, thereby causing the moving tube 16 to release the oil through the electromagnetically controlled bidirectional nozzle. This causes the moving tube 16 to adjust its height inside the vertical tube 15. When the moving tube 16 moves to the maximum position, it will act on one side of the spiral rod 1401, thereby causing the spiral rod 1401 to push inside the bonding block 1402. This allows the bonding block 1402 to drive the small metal part to flip inside the fixed tube 12, thus facilitating the detection and processing of the small metal part at different positions.

[0036] Example 3: To address the issue that current visual inspection instruments on the market are designed for visual inspection of small metal parts, where changes in the external environment, especially fluctuations in lighting, can significantly affect inspection efficiency. Specifically, sudden changes in ambient light intensity, reflective interference, or color temperature drift can lead to overexposure of highlights, occlusion of shadows, or color distortion during image acquisition, resulting in feature extraction deviations and reduced inspection accuracy. Please refer to the appendix for further details. Figure 1 - Appendix Figure 4 and attached Figure 7 - Appendix Figure 9 A horizontal plate 21 is also provided on the left outer wall of the closed frame 5, and the left outer end of the embedded rod 6 is fixedly connected to the horizontal plate 21. The inner side of the horizontal plate 21 is connected to the inner wall of the closed frame 5 through several sets of connecting springs 22. A rack plate 23 is fixed at the center of the inner side of the horizontal plate 21. The outer side of the rack plate 23 is slidably disposed inside the closed frame 5. One end of the rack plate 23 is engaged with the outer side of the connecting gear 24. The center of the connecting gear 24 is fixed at the side end of the reflector 25. Two sets of reflectors 25 are symmetrically distributed about the vertical center line of the closed frame 5, and the reflectors 25, the connecting gear 24 and the rack plate 23 are all inclined downward. Several sets of teeth are fixed on both the front and rear sides of the rack plate 23, and the outer sides of the teeth are engaged with the outer side of the connecting gear 24. The rotation range of the reflector 25 is 0 degrees to 40 degrees. The elastic force of the connecting spring 22 is greater than the elastic force of the elastic oil bladder 10.

[0037] When the light source intensity needs to be adjusted, after limiting the small metal part, the top position of the docking rod 9 can be constrained by the locking bolt. At this time, the embedded rod 6 will not move when pushing the docking rod 9. Then, the electric push rod 4 continues to drive the closed frame 5 to move its position. The closed frame 5 will continue to slide inside the top groove 8. At this time, the embedded rod 6 can also slide at the corners of the closed frame 5. The horizontal plate 21 drives the connecting spring 22 to deform. Since the rack plate 23 is set at an angle, the rack plate 23 will also slide inside the closed frame 5. At this time, the rack plate 23 drives the connecting gear 24 meshed on the left and right sides to rotate. This allows the connecting gear 24 to drive the reflector 25 to rotate relative to each other, thereby changing the angle of the reflector 25. This ensures that sufficient light source is provided for the small metal part. In addition, since the closed frame 5 and the detection box 1 are in a closed state, it can be ensured that it is in a dark room. In addition, the light source is provided by the independent illuminator 20, which facilitates the surface defect detection and processing of the small metal part.

[0038] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A visual inspection instrument for metal surfaces based on artificial intelligence control, comprising an inspection box (1) and a control panel (2) fixed to the right side wall of the inspection box (1), wherein a movable imaging inspection instrument (3) is provided on the upper part of the interior of the inspection box (1), and an independent illuminator (20) is rotatably provided on the inner side wall of the inspection box (1); characterized in that: The top of the detection box (1) is fixed with an electric push rod (4), the output end of the electric push rod (4) is fixed on one side of the closing frame (5), the four corner positions of the closing frame (5) are slidably provided with embedded rods (6), the end of the embedded rod (6) close to the detection box (1) corresponds to one side of the embedded groove (7) opened in the detection box (1), the movement of the embedded rod (6) in the embedded groove (7) realizes the work of the oil feeding mechanism, and a top-in groove (8) is opened at the left side of the embedded groove (7), the inner wall size of the top-in groove (8) is matched with the outer wall size of the closing frame (5); The oil feeding mechanism comprises a butt joint rod (9) slidably arranged in the detection box (1), and the right end position of the butt joint rod (9) is fixed on the side wall of the elastic oil bag (10), the other side of the elastic oil bag (10) is matched with the inner wall of the detection box (1), one end position of the elastic oil bag (10) is connected with the fixed pipe (12) through the oil feeding hose (11), and the upper end position of the elastic oil bag (10) is also connected with the matched oil bag (19) through the hose, the outer side of the matched oil bag (19) is adhered to the inner side of the detection box (1), the bottom position of the independent illuminating instrument (20) is rotatably arranged in the detection box (1), and the torsional spring is arranged at the rotating connection position of the independent illuminating instrument (20) and the detection box (1); The connection position of the elastic oil bag (10) and the matched oil bag (19) through the hose is provided with a bidirectional pressure valve, the outer end position of the oil feeding hose (11) is provided in the limiting mechanism, and the top position of the butt joint rod (9) is also provided with an electromagnetic lock, and the output end of the electromagnetic lock acts on the top surface position of the butt joint rod (9), so that the purpose of locking and clamping the limiting rod (9) is realized by energization; The limiting mechanism comprises the fixed pipe (12) fixedly connected with the end of the oil feeding hose (11), the left end inner side of the fixed pipe (12) is slidably provided with a matching piece (14), the bottom position of the fixed pipe (12) is also fixedly provided with a moving pipe (16), the bottom of the moving pipe (16) is slidably arranged in the vertical pipe (15), and the bottom position of the vertical pipe (15) is fixed in the detection box (1), and the opposite side of the matching piece (14) is also provided with a matched limiting piece (18), and the bottom position of the matched limiting piece (18) is fixed in the detection box (1); The right end position in the fixed pipe (12) is connected with the end of the matching piece (14) through the first reset spring (13), the matching piece (14) is composed of a spiral rod (1401), a matching block (1402) and a matched spring (1403), the outer end of the matching block (1402) is slidably arranged on the outer side of the fixed pipe (12), the right end position of the matching block (1402) is screw-connected with the spiral rod (1401), and the spiral rod (1401) is connected with the inner end of the matching block (1402) through the matched spring (1403). The fitting block (1402) is rotatably connected between the inside of the fixed tube (12) and the screw rod (1401), the elastic force of the fitting spring (1403) is greater than that of the first reset spring (13), the right end of the screw rod (1401) is attached to the inner wall of the fixed tube (12) through a piston disc; The bottom of the moving tube (16) is attached to the inner wall of the vertical tube (15) through a piston block, the bottom of the piston block is provided with an electromagnetic control bidirectional nozzle, the bottom of the moving tube (16) is connected to the inside of the vertical tube (15) through the second reset spring (17), a bidirectional pressure valve is arranged between the second reset spring (17) and the elastic oil bag (10), the elastic force of the bidirectional pressure valve is greater than the overall force of the limiting mechanism, and the friction between the screw rod (1401) and the fitting block (1402) is greater than the elastic force of the electromagnetic control bidirectional nozzle. The left side of the closing frame (5) is provided with a horizontal plate (21), the left side of the embedded rod (6) is fixedly connected to the horizontal plate (21), the inside of the horizontal plate (21) is connected to the inner wall of the closing frame (5) through a plurality of groups of connecting springs (22), the inside of the horizontal plate (21) is fixedly provided with a rack plate (23), the outside of the rack plate (23) is slidably arranged in the inside of the closing frame (5), one end of the rack plate (23) arranged in the inside of the closing frame (5) is engagedly connected to the outside of a connecting gear (24), and the center of the connecting gear (24) is fixedly arranged at the side end of a reflector (25).

2. The metal surface visual detector based on artificial intelligence control according to claim 1, characterized in that: The reflector (25) is symmetrically arranged in two groups about the vertical center line of the closing frame (5), and the reflector (25), the connecting gear (24) and the rack plate (23) are all arranged downwardly. 3.The metal surface visual detector based on artificial intelligence control according to claim 1, characterized in that: The front and back of the rack plate (23) are fixedly provided with a plurality of groups of teeth, the outside of the teeth is engagedly connected to the outside of the connecting gear (24), the rotating range of the reflector (25) is 0-40 degrees, and the elastic force of the connecting spring (22) is greater than that of the elastic oil bag (10). The front and back of the rack plate (23) are fixedly provided with a plurality of groups of teeth, the outside of the teeth is engagedly connected to the outside of the connecting gear (24), the rotating range of the reflector (25) is 0-40 degrees, and the elastic force of the connecting spring (22) is greater than that of the elastic oil bag (10).

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