Automatic visual inspection equipment for metal snap ring

Abstract

The invention discloses automatic visual detection equipment for metal snap rings, which comprises a bottom plate, a detection box body is arranged at the upper end of the bottom plate, a rotary mounting structure is arranged at the lower end in the detection box body, a detection discharge structure is arranged in the detection box body, and a sorting storage structure is arranged on one side of the upper end of the bottom plate; the rotary mounting structure comprises a motor, a mounting block, a mounting ring, a plurality of connecting rods, a plurality of placing blocks, a supporting ring, a sinking groove, a plurality of supporting columns and a plurality of supporting blocks. The invention relates to the technical field of metal snap ring detection, a rotary installation structure is adopted, a rotary installation mode is adopted, continuous feeding of metal snap rings can be achieved, the metal snap rings are matched with an arranged detection discharging structure, continuous detection and automatic discharging operation are conducted on the metal snap rings, an automatic sorting and storing structure is adopted, and the detection efficiency is improved. And unqualified products can be independently stored according to different detection results.

Description

Technical Field

[0001] The invention relates to the technical field of metal clip ring detection, in particular to automatic visual detection equipment for metal clip rings. Background Art

[0002] Visual inspection is to use machines to replace human eyes to make measurements and judgments. Visual inspection refers to converting the captured target into image signals through machine vision products, transmitting them to a dedicated image processing system, and converting them into digital signals based on pixel distribution, brightness, color and other information. The image system performs various operations on these signals to extract the characteristics of the target, and then controls the equipment action on site based on the judgment results.

[0003] Metal clasps are a common metal part, usually used to fix, connect or support objects. They are usually ring-shaped or U-shaped, and can fix objects by compression or buckling. Metal clasps are widely used in various fields, such as machinery, automobiles, electronic equipment, household items, etc.

[0004] When metal clips are inspected after processing, visual inspection equipment is usually used. However, when current visual inspection equipment inspects metal clips, in order to ensure the stability and detection accuracy of the metal clips during detection, and to prevent the metal clips from falling into the detection equipment and affecting the equipment, most of the time, staff are required to manually place and fix the metal clips in the visual inspection equipment. The operation is cumbersome, and the staff are required to sort and store the metal clips according to the detection results. Automatic unloading and continuous detection operations of the metal clips cannot be achieved, which seriously reduces the overall processing efficiency of the metal clips. In view of this, there may be technical means to solve the above problems in the prior art, but this case intends to provide an alternative or replacement technical solution. Summary of the invention

[0005] The purpose of the present invention is to solve the above-mentioned problems. An automatic visual inspection device for metal clips is designed to solve the problem that most of the existing processes require staff to manually place and fix the metal clips in the visual inspection device, which is cumbersome to operate. Subsequently, staff are required to sort and store the metal clips according to the inspection results, and automatic unloading and continuous inspection operations of the metal clips cannot be achieved, which seriously reduces the overall processing efficiency of the metal clips.

[0006] The technical solution of the present invention to achieve the above-mentioned purpose is: an automatic visual inspection device for metal clamps, comprising a bottom plate, a detection box body is provided at the upper end of the bottom plate, a rotating installation structure is provided at the lower end of the detection box body, a detection discharge structure is provided in the detection box body, and a sorting storage structure is provided on one side of the upper end of the bottom plate;

[0007] The rotating installation structure includes: a motor, a mounting block, a mounting ring, a plurality of connecting rods, a plurality of placement blocks, a support ring, a sinking groove, a plurality of support columns and a plurality of support blocks;

[0008] The motor is installed at the center of the upper end of the base plate, the mounting block is fixedly installed on the motor driving end, the mounting ring is located on the outside of the mounting block, one end of several connecting rods are installed on the outer wall of the mounting block, and the other end is connected to the inner wall of the mounting ring, several placement blocks are embedded in the mounting ring, the support ring is fixedly installed on the upper end of the base plate and located at the lower end of the mounting ring, the sinking groove is opened on one side of the upper wall of the support ring, several support columns are movably embedded in several placement blocks, several support blocks are respectively installed at the lower ends of several support columns, and the bottom ends are in contact with the upper wall of the support ring.

[0009] Preferably, the detection and discharging structure comprises: two side panels, an observation hole, two slide slots, a baffle, a visual inspection machine, a mounting frame and an air duct;

[0010] The two side panels are respectively installed on the two side walls of the detection box body, the observation hole is opened at the upper end of one of the side panels, the two slide grooves are both installed on the outer wall of one of the side panels, and are respectively located at the upper end and the lower end of the observation hole, the two ends of the baffle are respectively movably embedded in the two slide grooves, the visual inspection machine is fixedly installed on one side of the upper end of the detection box body, the mounting frame is fixedly installed on one side of the other side panel, and the air duct is fixedly installed in the mounting frame.

[0011] Preferably, the sorting and storage structure comprises: a first storage box, a second storage box, two support frames, a mounting shaft, a material separation plate, two material blocking plates, an operating rod, a hinge seat and an electric push rod;

[0012] The first storage box is placed on one side of the upper end of the base plate, and the second storage box is located on one side of the first storage box. The two support frames are installed on the upper end of the base plate and are respectively located on both sides of the second storage box. Both ends of the installation shaft are movably embedded in the two support frames, one end of the dividing plate is fixedly connected to the wall of one side of the installation shaft, and the two baffle plates are respectively fixedly installed on the two ends of the wall of one side of the dividing plate, one end of the operating rod is fixedly connected to one end of the installation shaft, and the hinge seat is fixedly installed on the wall of one side of the upper end of the base plate. The bottom end of the electric push rod is hinged to the hinge seat, and the telescopic end is movably connected to the other end of the operating rod.

[0013] Preferably, a connecting pin is provided at one end of the operating rod, and a connecting sleeve is provided at the connection between the connecting pin and the telescopic end of the electric push rod.

[0014] Preferably, a plurality of support rods are provided at the connection between the support ring and the base plate.

[0015] Preferably, the support block is in the shape of a cone with the tip pointing downward.

[0016] Preferably, guide slopes are machined on both sides of the sinking groove.

[0017] The method for using the automatic visual inspection equipment for metal clasps comprises the following steps:

[0018] Step S1: Equipment installation, the staff first places the bottom plate at the designated position, supports the device as a whole through the bottom plate, and then connects the device with the drive system and the power supply system. When the metal clamp ring is visually inspected, the staff first drives the motor on the upper end of the bottom plate to work, and drives the mounting block to rotate step by step through the motor, so that the several placement blocks on the upper end of the mounting ring are rotated to one side of the inspection box in turn;

[0019] Step S2: Workpiece installation: Under the cooperation of the support ring and the support blocks, the support columns are raised on the wall surfaces of the placement blocks. The staff places the metal clamp ring on the upper end of the placement block and limits the metal clamp ring through the top of the support column. As the motor gradually rotates, the placement block located outside the installation ring rotates accordingly, and the metal clamp ring is visually inspected through the detection and discharge structure in the detection box;

[0020] Step S3: workpiece limit and release. Under the action of the sinking groove at the upper end of the support ring, when one of the placement blocks moves to the position of the sinking groove, the bottom end of the support block falls, so that the support column moves downward inside the placement block, and the top end is consistent with the height of the upper wall surface of the placement block. Finally, by detecting the work of the discharge structure, the metal clamping ring at the upper end of the placement block is unloaded. When the support block in the sinking groove moves to the outside with the rotation of the placement block, the support block is lifted up by the upper wall surface of the support ring to facilitate the re-loading and placement of the metal clamping ring.

[0021] Step S4: Workpiece inspection and unloading. The two side panels on both sides of the inspection box block the light on both sides to prevent external light from affecting the visual inspection effect. The metal clamp ring is visually inspected by the visual inspection machine at the upper end of the inspection box. During the inspection process, the baffles in the two slides can be moved to one side, and the inspection process and working status can be observed by naked eyes through the observation hole. When the visual inspection machine completes the inspection, the air duct in the mounting frame cooperates with the external air source equipment to transport high-pressure gas to the upper end of the placement block on one side, and the metal clamp ring at the upper end is unloaded;

[0022] Step S5: Storing qualified products, unloading the metal clips on the upper end of the placement block through the air duct. When the inspection result of the metal clips is qualified, the electric push rod on the upper end of the hinge seat extends, and the operating rod drives the installation shaft to rotate in the two support frames, so that the upper end of the dividing plate is close to one side of the placement block. The dividing plate cooperates with the two baffle plates to guide the metal clips to the second storage box to store the qualified products.

[0023] Step S6: Storing unqualified products. When the test result is unqualified, the electric push rod in the hinge seat retracts, so that the top of the dividing plate is away from the placement block, and the unqualified metal clips can fall into the first storage box, thereby realizing the sorting and storage of the metal clips.

[0024] The automatic visual inspection equipment for metal clips manufactured by utilizing the technical solution of the present invention adopts a rotating installation structure, which adopts a rotating installation method, and can realize continuous loading of metal clips, and cooperate with the set detection and discharge structure to perform continuous detection and automatic unloading operations on the metal clips, and adopts an automated sorting and storage structure, which can independently store unqualified products according to different detection results. The overall automated detection method is adopted, and only manual loading is required. With the cooperation of the support ring and the support block, the metal clips are quickly installed through the support column, and there is no need to manually fix the metal clips. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the main stereoscopic structure of the automatic visual inspection equipment for metal clips of the present invention.

[0026] Figure 2 It is a schematic diagram of the rear stereoscopic structure of the automatic visual inspection equipment for metal clips of the present invention.

[0027] Figure 3 It is a schematic diagram of the partial three-dimensional structure of the rear view of the automatic visual inspection equipment for metal clips of the present invention.

[0028] Figure 4 This is a schematic diagram of the partially exploded structure of the automatic visual inspection equipment for metal clips of the present invention from a rear view.

[0029] Figure 5 It is a schematic diagram of the front cross-sectional structure of the automatic visual inspection equipment for metal clips of the present invention.

[0030] In the figure: 1. bottom plate, 2. detection box, 3. motor, 4. mounting block, 5. mounting ring, 6. connecting rod, 7. placement block, 8. support ring, 9. sinking groove, 10. support column, 11. support block, 12. side plate, 13. observation hole, 14. slide groove, 15. baffle, 16. visual inspection machine, 17. mounting frame, 18. air duct, 19. first storage box, 20. second storage box, 21. support frame, 22. mounting shaft, 23. dividing plate, 24. baffle plate, 25. operating rod, 26. hinge seat, 27. electric push rod, 28. connecting pin, 29. connecting sleeve, 30. support rod. DETAILED DESCRIPTION

[0031] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1-5 As shown, automatic visual inspection equipment for metal snap rings.

[0032] Embodiment: An automatic visual inspection device for metal clasps comprises a bottom plate 1, a detection box 2 is provided at the upper end of the bottom plate 1, a rotating installation structure is provided at the lower end of the detection box 2, a detection discharge structure is provided in the detection box 2, and a sorting storage structure is provided at one side of the upper end of the bottom plate 1;

[0033] The rotating installation structure includes: a motor 3, a mounting block 4, a mounting ring 5, a plurality of connecting rods 6, a plurality of placement blocks 7, a support ring 8, a sinking groove 9, a plurality of support columns 10 and a plurality of support blocks 11;

[0034] The motor 3 is installed at the center of the upper end of the base plate 1, the mounting block 4 is fixedly installed on the driving end of the motor 3, the mounting ring 5 is located on the outside of the mounting block 4, one end of a number of connecting rods 6 are installed on the outer wall of the mounting block 4, and the other ends are connected to the inner wall of the mounting ring 5, a number of display blocks 7 are embedded in the mounting ring 5, the support ring 8 is fixedly installed on the upper end of the base plate 1, and is located at the lower end of the mounting ring 5, the sinking groove 9 is opened on one side of the upper wall of the support ring 8, a number of support columns 10 are respectively movably embedded in the number of display blocks 7, and a number of support blocks 11 are respectively installed at the lower ends of the number of support columns 10, and the bottom ends are in contact with the upper wall of the support ring 8.

[0035] During installation, the staff first places the bottom plate 1 at the specified position, supports the device as a whole through the bottom plate 1, and then connects the device to the drive system and the power supply system. When the metal clamp is visually inspected, the staff first drives the motor 3 at the upper end of the bottom plate 1 to work, and drives the mounting block 4 to rotate step by step through the motor 3, so that the mounting ring 5 and the several placement blocks 7 at the upper end are rotated to the side of the detection box 2 in turn. With the cooperation of the support ring 8 and the several support blocks 11, the several support columns 10 are raised on the wall surface of the several placement blocks 7. The staff places the metal clamp on the upper end of the placement block 7 and limits the metal clamp through the top of the support column 10. As the motor 3 rotates, the mounting block 4 rotates step by step, and the mounting ring 5 rotates step by step. The metal clips are visually inspected by the detection and discharge structure in the detection box 2, and under the action of the sinking groove 9 at the upper end of the support ring 8, when one of the placement blocks 7 moves to the position of the sinking groove 9, the bottom end of the support block 11 falls, so that the support column 10 moves downward inside the placement block 7, and the top end is consistent with the upper wall height of the placement block 7. Finally, the metal clips at the upper end of the placement block 7 are unloaded through the detection and discharge structure. When the support block 11 in the sinking groove 9 moves to the outside with the rotation of the placement block 7, the support block 11 is lifted up by the upper wall of the support ring 8 to facilitate the re-loading and placement of the metal clips.

[0036] In the specific implementation process, the detection and discharging structure includes: two side panels 12, an observation hole 13, two slide slots 14, a baffle 15, a visual inspection machine 16, a mounting frame 17 and an air duct 18;

[0037] The two side panels 12 are respectively installed on the two side walls of the detection box 2, the observation hole 13 is opened at the upper end of one of the side panels 12, the two slide grooves 14 are both installed on the outer wall of one of the side panels 12, and are respectively located at the upper end and the lower end of the observation hole 13, the two ends of the baffle 15 are respectively movably embedded in the two slide grooves 14, the visual inspection machine 16 is fixedly installed on one side of the upper end of the detection box 2, the mounting frame 17 is fixedly installed on one side of the other side panel 12, and the air duct 18 is fixedly installed in the mounting frame 17.

[0038] When inspecting the metal snap ring, the two side panels 12 on both sides of the inspection box 2 are used to block the light on both sides to prevent external light from affecting the visual inspection effect. The metal snap ring is visually inspected by the visual inspection machine 16 at the upper end of the inspection box 2. During the inspection process, the baffles 15 in the two slide grooves 14 can be moved to one side, and the inspection process and working status can be observed with the naked eye through the observation hole 13. When the visual inspection machine 16 completes the inspection, the air duct 18 in the mounting frame 17 cooperates with the external gas source equipment to transport high-pressure gas to the upper end of the placement block 7 on one side to unload the metal snap ring at the upper end.

[0039] In the specific implementation process, the sorting and storage structure includes: a first storage box 19, a second storage box 20, two support frames 21, a mounting shaft 22, a material separation plate 23, two material blocking plates 24, an operating rod 25, a hinge seat 26 and an electric push rod 27;

[0040] The first storage box 19 is placed on one side of the upper end of the base plate 1, and the second storage box 20 is located on one side of the first storage box 19. Two support frames 21 are both installed on the upper end of the base plate 1 and are respectively located on both sides of the second storage box 20. Both ends of the mounting shaft 22 are movably embedded in the two support frames 21. One end of the dividing plate 23 is fixedly connected to the wall on one side of the mounting shaft 22. Two baffle plates 24 are respectively fixedly installed on both ends of the wall on one side of the dividing plate 23. One end of the operating rod 25 is fixedly connected to one end of the mounting shaft 22. The hinge seat 26 is fixedly installed on the wall on one side of the upper end of the base plate 1. The bottom end of the electric push rod 27 is hinged to the hinge seat 26, and the telescopic end is movably connected to the other end of the operating rod 25.

[0041] When the metal clamping ring detection is completed, the metal clamping ring on the upper end of the display block 7 is unloaded through the air duct 18. When the detection result of the metal clamping ring is qualified, the electric push rod 27 at the upper end of the hinge seat 26 extends, and the operating rod 25 drives the installation shaft 22 to rotate in the two support frames 21, so that the upper end of the dividing plate 23 is close to one side of the display block 7. Through the cooperation of the dividing plate 23 and the two baffle plates 24, the metal clamping ring is guided and transported to the second storage box 20 for storage of qualified products. When the detection result is unqualified, the electric push rod 27 in the hinge seat 26 retracts, so that the top end of the dividing plate 23 is away from the display block 7, so that the unqualified metal clamping ring can fall into the first storage box 19, so as to realize the sorting and storage of the metal clamping ring.

[0042] In the specific implementation process, a connecting pin 28 is provided at one end of the operating rod 25, and a connecting sleeve 29 is provided at the connection between the connecting pin 28 and the telescopic end of the electric push rod 27.

[0043] In the specific implementation process, a plurality of support rods 30 are provided at the connection between the support ring 8 and the base plate 1 .

[0044] In a specific implementation process, the support block 11 is in a cone shape with the tip pointing downward.

[0045] In the specific implementation process, guide slopes are processed on both sides of the sinking groove 9.

[0046] The method for using the automatic visual inspection equipment for metal clasps comprises the following steps:

[0047] Step S1: Equipment installation, the staff first places the bottom plate 1 at the designated position, supports the device as a whole through the bottom plate 1, and then connects the device with the drive system and the power supply system. When the metal clamp ring is visually inspected, the staff first drives the motor 3 at the upper end of the bottom plate 1 to work, and drives the mounting block 4 to rotate step by step through the motor 3, so that the mounting ring 5 and the several placement blocks 7 at the upper end are rotated to one side of the detection box 2 in sequence;

[0048] Step S2: Workpiece installation. Under the cooperation of the support ring 8 and the support blocks 11, the support columns 10 are raised on the wall surfaces of the placement blocks 7. The staff places the metal clamp ring on the upper end of the placement block 7 and limits the metal clamp ring through the top of the support column 10. As the motor 3 gradually rotates, the placement block 7 located outside the installation ring 5 rotates accordingly. The metal clamp ring is visually inspected through the detection and discharge structure in the detection box 2.

[0049] Step S3: workpiece limiting and releasing. Under the action of the sinking groove 9 at the upper end of the support ring 8, when one of the placement blocks 7 moves to the position of the sinking groove 9, the bottom end of the support block 11 falls, so that the support column 10 moves downward inside the placement block 7, and the top end is at the same height as the upper wall surface of the placement block 7. Finally, by detecting the working of the discharge structure, the metal clamping ring at the upper end of the placement block 7 is unloaded. When the support block 11 in the sinking groove 9 moves to the outside with the rotation of the placement block 7, the support block 11 is lifted up by the upper wall surface of the support ring 8 to facilitate the re-loading and placement of the metal clamping ring.

[0050] Step S4: Workpiece inspection and unloading. The two side panels 12 on both sides of the inspection box 2 are used to block the light on both sides of the inspection box 2 to prevent external light from affecting the visual inspection effect. The metal clamp ring is visually inspected by the visual inspection machine 16 at the upper end of the inspection box 2. During the inspection process, the baffles 15 in the two slide slots 14 can be moved to one side, and the inspection process and working status can be observed by naked eyes through the observation hole 13. When the visual inspection machine 16 completes the inspection, the air duct 18 in the mounting frame 17 cooperates with the external gas source equipment to transport high-pressure gas to the upper end of the placement block 7 on one side, and the metal clamp ring at the upper end is unloaded;

[0051] Step S5: Storing qualified products, unloading the metal clips on the upper end of the placement block 7 through the air duct 18. When the inspection result of the metal clips is qualified, the electric push rod 27 on the upper end of the hinge seat 26 extends, and the operating rod 25 drives the installation shaft 22 to rotate in the two support frames 21, so that the upper end of the dividing plate 23 is close to one side of the placement block 7. The dividing plate 23 cooperates with the two baffle plates 24 to guide and transport the metal clips to the second storage box 20, and the qualified products are stored;

[0052] Step S6: Storing unqualified products. When the test result is unqualified, the electric push rod 27 in the hinge seat 26 retracts, so that the top of the dividing plate 23 is away from the placement block 7, and the unqualified metal clips can fall into the first storage box 19, thereby realizing the sorting and storage of the metal clips.

[0053] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims

1. An automatic visual inspection device for metal clasps, comprising a base plate (1), characterized in that: A detection box (2) is provided at the upper end of the bottom plate (1), a rotating installation structure is provided at the lower end of the detection box (2), a detection discharge structure is provided in the detection box (2), and a sorting storage structure is provided at one side of the upper end of the bottom plate (1); The rotating installation structure comprises: a motor (3), a mounting block (4), a mounting ring (5), a plurality of connecting rods (6), a plurality of placement blocks (7), a support ring (8), a sinking groove (9), a plurality of support columns (10) and a plurality of support blocks (11); The motor (3) is mounted at the center of the upper end of the base plate (1); the mounting block (4) is fixedly mounted on the driving end of the motor (3); the mounting ring (5) is located outside the mounting block (4); one end of a plurality of connecting rods (6) is mounted on the outer wall of the mounting block (4), and the other end is connected to the inner wall of the mounting ring (5); a plurality of placement blocks (7) are embedded in the mounting ring (5); the support ring (8) is fixedly mounted on the upper end of the base plate (1) and is located at the lower end of the mounting ring (5); the sinking groove (9) is provided on one side of the upper wall of the support ring (8); a plurality of support columns (10) are respectively movably embedded in a plurality of placement blocks (7); a plurality of support blocks (11) are respectively mounted on the lower ends of a plurality of support columns (10), and the bottom ends are in contact with the upper wall of the support ring (8).

2. The automatic visual inspection device for metal clips according to claim 1, characterized in that: The detection and discharging structure comprises: two side plates (12), an observation hole (13), two slide slots (14), a baffle (15), a visual inspection machine (16), a mounting frame (17) and an air duct (18); The two side panels (12) are respectively installed on the two side walls of the detection box (2), the observation hole (13) is opened at the upper end of one of the side panels (12), the two slide grooves (14) are both installed on the outer wall of one of the side panels (12), and are respectively located at the upper end and the lower end of the observation hole (13), the two ends of the baffle (15) are respectively movably embedded in the two slide grooves (14), the visual inspection machine (16) is fixedly installed on one side of the upper end of the detection box (2), the mounting frame (17) is fixedly installed on one side of the other side panel (12), and the air duct (18) is fixedly installed in the mounting frame (17).

3. The automatic visual inspection device for metal clips according to claim 1, characterized in that: The sorting and storage structure comprises: a first storage box (19), a second storage box (20), two support frames (21), a mounting shaft (22), a material separation plate (23), two material blocking plates (24), an operating rod (25), a hinge seat (26) and an electric push rod (27); The first storage box (19) is placed on one side of the upper end of the base plate (1), and the second storage box (20) is located on one side of the first storage box (19). The two support frames (21) are both installed on the upper end of the base plate (1) and are respectively located on both sides of the second storage box (20). The two ends of the installation shaft (22) are respectively movably embedded in the two support frames (21). One end of the material dividing plate (23) is fixedly connected to a wall surface on one side of the installation shaft (22). The two material blocking plates (24) are respectively fixedly installed at two ends of a wall surface on one side of the material dividing plate (23). One end of the operating rod (25) is fixedly connected to one end of the installation shaft (22). The hinge seat (26) is fixedly installed on a wall surface on one side of the upper end of the base plate (1). The bottom end of the electric push rod (27) is hinged to the hinge seat (26), and the telescopic end is movably connected to the other end of the operating rod (25).

4. The automatic visual inspection device for metal clips according to claim 3, characterized in that: A connecting pin (28) is provided at one end of the operating rod (25), and a connecting sleeve (29) is provided at the connection between the connecting pin (28) and the telescopic end of the electric push rod (27).

5. The automatic visual inspection device for metal clips according to claim 1, characterized in that: A plurality of support rods (30) are provided at the connection between the support ring (8) and the base plate (1).

6. The automatic visual inspection device for metal clips according to claim 1, characterized in that: The support block (11) is in the shape of a cone with the tip pointing downward.

7. The automatic visual inspection device for metal clips according to claim 1, characterized in that: Both sides of the sinking groove (9) are processed with guiding inclined surfaces.

8. A method for using the automatic visual inspection device for metal clasps according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step S1: Equipment installation, the staff first places the bottom plate at the designated position, supports the device as a whole through the bottom plate, and then connects the device with the drive system and the power supply system. When the metal clamp ring is visually inspected, the staff first drives the motor on the upper end of the bottom plate to work, and drives the mounting block to rotate step by step through the motor, so that the several placement blocks on the upper end of the mounting ring are rotated to one side of the inspection box in turn; Step S2: Workpiece installation: Under the cooperation of the support ring and the support blocks, the support columns are raised on the wall surfaces of the placement blocks. The staff places the metal clamp ring on the upper end of the placement block and limits the metal clamp ring through the top of the support column. As the motor gradually rotates, the placement block located outside the installation ring rotates accordingly, and the metal clamp ring is visually inspected through the detection and discharge structure in the detection box; Step S3: workpiece limit and release. Under the action of the sinking groove at the upper end of the support ring, when one of the placement blocks moves to the position of the sinking groove, the bottom end of the support block falls, so that the support column moves downward inside the placement block, and the top end is consistent with the height of the upper wall surface of the placement block. Finally, by detecting the work of the discharge structure, the metal clamping ring at the upper end of the placement block is unloaded. When the support block in the sinking groove moves to the outside with the rotation of the placement block, the support block is lifted up by the upper wall surface of the support ring to facilitate the re-loading and placement of the metal clamping ring. Step S4: Workpiece inspection and unloading. The two side panels on both sides of the inspection box block the light on both sides to prevent external light from affecting the visual inspection effect. The metal clamp ring is visually inspected by the visual inspection machine at the upper end of the inspection box. During the inspection process, the baffles in the two slides can be moved to one side, and the inspection process and working status can be observed by naked eyes through the observation hole. When the visual inspection machine completes the inspection, the air duct in the mounting frame cooperates with the external air source equipment to transport high-pressure gas to the upper end of the placement block on one side, and the metal clamp ring at the upper end is unloaded; Step S5: Storing qualified products, unloading the metal clips on the upper end of the placement block through the air duct. When the inspection result of the metal clips is qualified, the electric push rod on the upper end of the hinge seat extends, and the operating rod drives the installation shaft to rotate in the two support frames, so that the upper end of the dividing plate is close to one side of the placement block. The dividing plate cooperates with the two baffle plates to guide the metal clips to the second storage box to store the qualified products. Step S6: Storing unqualified products. When the test result is unqualified, the electric push rod in the hinge seat retracts, so that the top of the dividing plate is away from the placement block, and the unqualified metal clips can fall into the first storage box, thereby realizing the sorting and storage of the metal clips.

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