Workpiece quality inspection device integrating optical measurement and pneumatic detection

Abstract

The application is a workpiece quality inspection device integrating optical measurement and pneumatic detection, relates to the technical field of workpiece quality inspection, solves the technical problem of low detection efficiency during pipe detection, and comprises a base, a feeding conveying mechanism, a detection platform, an optical measurement machine, a support frame, a finished product conveying mechanism and a defective product conveying mechanism. A working groove is formed in the support frame, a pneumatic probe is arranged in the working groove, a shell is fixedly connected to the top of the support frame, a placing groove is formed in the bottom of the shell, the placing groove is located above the working groove, a plurality of support rods are fixedly connected to the inner wall bottom of the shell, a plurality of rotating frames are arranged in the shell, a cylinder is fixedly connected to each of the plurality of rotating frames, each of the plurality of rotating frames is rotationally connected to the plurality of support rods through the cylinder, a rotatable limiting wheel is arranged at one end of each of the plurality of rotating frames, and an anti-skid pad is fixedly connected to each of the plurality of limiting wheels. The application realizes the efficiency, accuracy and automation of workpiece quality inspection through the organic coupling of optical measurement and pneumatic detection.

Description

Technical Field

[0001] This invention relates to the field of workpiece quality inspection technology, specifically to a workpiece quality inspection device that integrates optical and pneumatic testing. Background Technology

[0002] As core components of industrial pipeline systems, valves and pipe fittings mainly consist of valves and pipe fittings, and are responsible for the connection and flow control functions of media transportation. After the pipe fittings are processed, optical inspection and airtightness inspection must be carried out in sequence to ensure that their processing quality meets the standards.

[0003] In the existing testing process, the pipe is first transported to the optical testing station to complete optical testing. Then, the operator needs to manually pick up the pipe and insert the pneumatic probe into the pipe to perform airtightness testing, or place the pipe in a specific position and let the equipment automatically insert the probe.

[0004] If the existing optical and gas testing processes rely on manual handling of picking, placing, and inserting parts, the testing time will be significantly extended, resulting in a reduction in the overall processing efficiency of the pipe fittings.

[0005] Furthermore, the lack of a universal clamping and positioning mechanism applicable to different specifications of pipe fittings during the gas testing process makes it difficult to accurately align the pipe fittings with the pneumatic probe, affecting the stability and repeatability of the test. The pipe fittings also lack an effective sealing structure at the bottom during airtightness testing, which can easily affect the accuracy and reliability of the test results.

[0006] Based on this, the present invention provides a workpiece quality inspection device that integrates optical measurement and pneumatic detection to solve the above problems. Summary of the Invention

[0007] In view of the above situation and to overcome the defects of the prior art, the present invention provides a workpiece quality inspection device that integrates optical measurement and pneumatic detection. The present invention has a novel structure and ingenious design, and effectively solves the technical problems of low detection efficiency and difficulty in ensuring detection accuracy when inspecting pipe fittings.

[0008] An integrated optical and pneumatic inspection device for workpiece quality control includes a base, a feeding and conveying mechanism, an inspection platform, an optical measuring machine, a support frame, a finished product conveying mechanism, and a defective product conveying mechanism. The support frame has a working groove containing a liftable pneumatic probe. A housing is fixedly connected to the top of the support frame, and a placement groove is located at the bottom of the housing, above the working groove. Multiple support rods are fixedly connected to the bottom of the inner wall of the housing. Multiple rotating frames are located inside the housing, each with a fixed cylinder. Each rotating frame is rotatably connected to multiple support rods via the cylinder. Each rotating frame has a rotatable limiting wheel at one end, and anti-slip pads are fixedly connected to each limiting wheel.

[0009] Preferably, an electric push rod is fixedly connected to the top of the support frame, a through hole is provided on one side of the housing, the output end of the electric push rod passes through the through hole and is fixedly connected to a fixed base, a push rod is rotatably connected to the fixed base, and the other end of the push rod is rotatably connected to one side of the rotating frame.

[0010] Preferably, the housing is provided with a rotatable adjusting ring, and the inner wall of the adjusting ring is provided with multiple push plates, each of which cooperates with one side of a multiple rotating frame.

[0011] Preferably, a connecting belt is fixedly connected to the push plate of the adjusting ring near the electric push rod, and the other end of the connecting belt is fixedly connected to the nearby rotating frame.

[0012] Preferably, a cover plate is fixedly connected to the top of the housing, and an annular sealing gasket is fixedly connected to the top of the support frame. The working groove is located at the center of the sealing gasket, and the sealing gasket is located in the placement groove.

[0013] Preferably, a support base is fixedly connected to the top of the base, the detection platform is fixedly connected to the top of the support base, and the optical measuring machine is equipped with three light sources, which are located on both sides and above the detection platform, respectively.

[0014] Preferably, a guide rail is fixedly connected to the side of the optical measuring machine near the testing platform, a lifting cylinder is slidably connected to the guide rail, left and right cylinders are fixedly connected to the top of the guide rail, the output ends of the left and right cylinders are fixedly connected to one side of the lifting cylinder, and a support block is fixedly connected to the output end of the lifting cylinder.

[0015] Preferably, a support plate is fixedly connected to the side of the support block near the detection platform, and multiple mechanical grippers are fixedly connected to the side of the support plate near the detection platform, with grippers provided at the bottom of each of the multiple mechanical grippers.

[0016] Preferably, the feeding conveyor and the support frame are located on both sides of the testing platform, the finished product conveyor is located on the other side of the support frame, and the defective product conveyor is located on the other side of the finished product conveyor.

[0017] Preferably, the spacing between the feeding conveyor, the testing platform, the support frame, the finished product conveyor, and the defective product conveyor is the same.

[0018] The overall beneficial effects of this invention are mainly reflected in the following aspects:

[0019] 1. This invention integrates optical inspection and pneumatic inspection into a single device, achieving seamless connection between the optical and pneumatic inspection stations through an automatic conveying and positioning mechanism. The optical inspection machine first performs optical inspections on the workpiece, including surface defects and dimensional accuracy checks. Subsequently, the workpiece is automatically transferred to the pneumatic inspection station for pneumatic inspection. This coupled design avoids the manual handling and insertion / removal operations required in traditional multi-station inspection, shortens process intervals, and achieves continuous and integrated inspection processes.

[0020] 2. Through the clamping mechanism composed of a rotating frame, limit wheels and electric push rod, the present invention can automatically center and clamp pipes of different specifications, ensuring that the inner diameter of the workpiece is accurately aligned with the pneumatic probe.

[0021] 3. By utilizing mechanical grippers, lifting cylinders, and left and right cylinders, this invention achieves fully automated transfer of workpieces from loading, optical measurement, pneumatic measurement to finished / defective product sorting. Optical and pneumatic measurement results are linked in real time, and the system automatically diverts the workpieces to the finished or defective product conveying mechanism after inspection.

[0022] 4. The clamping mechanism has good versatility and can adapt to pipe fittings of different sizes and shapes, ensuring the applicability of the device in diverse production scenarios. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0024] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0025] Figure 2 This is a schematic diagram of the assembly structure of the support base, testing platform and support frame in this invention;

[0026] Figure 3 This is a schematic diagram of the assembly structure of the shell, placement groove and cover plate in this invention;

[0027] Figure 4 This is a schematic diagram of the pneumatic probe and housing assembly structure in this invention;

[0028] Figure 5 This is a schematic diagram of the assembly structure of the placement groove, sealing gasket, and support rod in this invention;

[0029] Figure 6 This is a schematic diagram of the assembly structure of the electric push rod, the fixed base, and the push rod in this invention;

[0030] Figure 7 This is a schematic diagram of the assembly structure of the rotating frame, cylinder and limiting wheel in this invention;

[0031] Figure 8 This is a schematic diagram of the assembly structure of the adjusting ring, push plate and connecting belt in this invention.

[0032] Reference numerals: 1-Base; 2-Feeding conveyor mechanism; 3-Support seat; 4-Detection platform; 5-Optical measuring machine; 6-Light source lamp; 7-Support frame; 8-Finished product conveying mechanism; 9-Defective product conveying mechanism; 10-Guide rail; 11-Lifting cylinder; 12-Left and right cylinders; 13-Support block; 14-Support plate; 15-Mechanical gripper; 16-Gripper; 17-Working groove; 18-Pneumatic probe; 19-Housing shell; 20-Placement groove; 21-Cover plate; 22-Sealing gasket; 23-Support rod; 29-Through hole; 30-Electric push rod; 31-Fixed seat; 32-Push rod; 33-Rotating frame; 34-Cylinder; 35-Limit wheel; 36-Anti-slip pad; 43-Adjusting ring; 44-Push plate; 45-Connecting belt. Detailed Implementation

[0033] The foregoing and other technical contents, features and effects of the present invention are described in conjunction with the appendix below. Figures 1 to 8 The detailed description of the embodiments will make this clear. All references to the following embodiments are made with reference to the accompanying drawings.

[0034] Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings.

[0035] This invention is a workpiece quality inspection device that integrates optical measurement and pneumatic detection. Existing pneumatic measurement methods rely on manual handling and insertion / removal, which significantly prolongs the inspection time and reduces the overall processing efficiency of pipe fittings.

[0036] Alternatively, when placing the device for gas testing, the lack of a universal clamping and positioning mechanism and an effective bottom sealing structure during gas testing can affect the stability, repeatability, and reliability of the test results.

[0037] As an example, such as Figure 1 , Figures 3-5 , Figure 7As shown, the present invention includes a base 1, a feeding and conveying mechanism 2, a testing platform 4, an optical measuring machine 5, a support frame 7, a finished product conveying mechanism 8, and a defective product conveying mechanism 9. A working groove 17 is provided on the support frame 7, and a pneumatic probe 18 capable of lifting and lowering is installed within the working groove 17. The lifting and lowering adopts existing technology, such as a miniature cylinder with a stroke located below it. A housing 19 is fixedly connected to the top of the support frame 7. The housing 19 is circular, and a placement groove 20 is provided at the bottom of the housing 19. The placement groove 20 is located above the working groove 17, is circular, and is on the same center line as the working groove 17. Multiple support rods 23 are fixedly connected to the bottom of the inner wall of the housing 19, and the multiple support rods 23 are circumferentially distributed within the housing 19. The device contains multiple rotating frames 33, each fixedly connected to a cylindrical body 34. Each rotating frame 33 is rotatably connected to multiple support rods 23 via the cylindrical body 34. One end of each rotating frame 33 is equipped with a rotatable limiting wheel 35, which is fitted with a contact sensor. The contact sensor is connected to a power supply and a controller to assist in clamping the pipe fitting. The contact sensor is existing technology and is not shown in the figure. Anti-slip pads 36 are fixedly connected to each limiting wheel 35, and the anti-slip pads 36 are threaded on the limiting wheel 35. This invention integrates optical and pneumatic detection into the same device, achieving seamless connection between the optical and pneumatic measurement stations through an automatic conveying and positioning mechanism.

[0038] In this embodiment, the working groove 17 provides guidance and space for the lifting and lowering of the pneumatic probe 18, enabling it to be accurately inserted into the placed pipe for pneumatic measurement. Simultaneously, the placement groove 20 provides initial positioning and support for the pipe to be measured. Once the pipe is placed in the placement groove 20, multiple rotating frames 33 are driven to rotate synchronously around the support rod 23, causing the limiting wheels 35 at the ends of each rotating frame 33 to move towards the center of the placement groove 20. During this process, the limiting wheels 35 can gradually move any misaligned pipe to the center position, aligning its inner diameter with the pneumatic probe. 18. To create centering conditions for subsequent pneumatic testing, as the limiting wheel 35 continues to retract towards the center, it ultimately achieves stable clamping of the pipe fitting, ensuring positional fixation and reliable sealing during the testing process. After the pneumatic testing is completed, multiple rotating frames 33 are driven to rotate in the opposite direction around the support rod 23, thereby causing multiple limiting wheels 35 to move synchronously away from the center position of the placement slot 20, releasing the pipe fitting and facilitating its removal after pneumatic testing. The optical testing machine first performs optical inspections on the workpiece for surface defects, dimensional accuracy, etc., and then the workpiece is automatically transferred to the pneumatic testing station for pneumatic testing. This coupled design avoids manual pick-and-place and insertion / removal operations in traditional multi-station testing, significantly shortening the process interval time, realizing continuous and integrated testing processes, and significantly improving overall testing efficiency.

[0039] As an example, such as Figure 4 , Figure 6 and Figure 8 As shown, an electric push rod 30 is fixedly connected to the top of the support frame 7. A through hole 29 is provided on one side of the housing 19. The output end of the electric push rod 30 passes through the through hole 29 and is fixedly connected to a fixed base 31. A push rod 32 is rotatably connected to the fixed base 31. The other end of the push rod 32 is rotatably connected to one side of the rotating frame 33. Through the clamping mechanism composed of the rotating frame 33, the limiting wheel 35, and the electric push rod 30, this invention can automatically center and clamp pipes of different specifications, ensuring that the inner diameter of the workpiece is accurately aligned with the pneumatic probe. This enhances the stability and repeatability of the detection process and significantly improves the accuracy and reliability of pneumatic detection.

[0040] The housing 19 is provided with a rotatable adjusting ring 43. The outer surface of the adjusting ring 43 is slidably connected to the inner wall of the housing 19. The inner wall of the adjusting ring 43 is provided with multiple push plates 44, which are respectively engaged with one side of multiple rotating frames 33.

[0041] A connecting belt 45 is fixedly connected to the push plate 44 near the electric push rod 30 on the adjusting ring 43, and the other end of the connecting belt 45 is fixedly connected to the nearby rotating frame 33.

[0042] In this embodiment, after the pipe fitting is placed in place, the electric push rod 30 is activated, and its output end extends into the housing 19 through the through hole 29, pushing the fixed seat 31 to move within the housing 19. The fixed seat 31, through the push rod 32 that rotates with it, converts the linear motion into the rotational motion of the rotating frame 33, causing the rotating frame 33 to rotate around the support rod 23, thereby driving the limiting wheel 35 at its end to move closer to the center of the placement slot 20. When the first rotating frame 33 rotates, one side of the rotating frame 33 contacts the push plate 44 inside the adjusting ring 43 and continues to push the push plate 44 to move, causing the adjusting ring 43 to rotate within the housing 19. The adjusting ring 43 is driven by other push plates evenly distributed around its circumference. 44. Simultaneously, the remaining rotating frames 33 are driven to rotate synchronously, thereby enabling multiple limit wheels 35 to move synchronously towards the center of the placement groove 20, completing the centering and clamping operation of the pipe fitting. When it is necessary to release the pipe fitting, the output end of the electric push rod 30 retracts, and the push rod 32 pulls the rotating frame 33 in the opposite direction, causing it to rotate in the opposite direction around the support rod 23, driving the limit wheels 35 away from the center of the placement groove 20. At the same time, the rotating frame 33 pulls the adjusting ring 43 to rotate in the opposite direction inside the housing 19 through the connecting belt 45. The adjusting ring 43 then pushes the remaining rotating frames 33 to reset synchronously through the push plate 44 inside it, so that all the limit wheels 35 quickly and synchronously disengage from the pipe fitting, completing the release action.

[0043] As an example, such as Figure 1 , Figure 3 and Figure 5As shown, a cover plate 21 is fixedly connected to the top of the housing 19, and an annular sealing gasket 22 is fixedly connected to the top of the support frame 7. The working groove 17 is located at the center of the sealing gasket 22, and the sealing gasket 22 is located in the placement groove 20.

[0044] A support base 3 is fixedly connected to the top of the base 1, and the inspection platform 4 is fixedly connected to the top of the support base 3. The optical inspection machine 5 is equipped with three light sources 6, located on both sides and above the inspection platform 4. The optical inspection machine is equipped with multi-directional light sources 6, illuminating the workpiece from different angles, effectively capturing surface details and defects, and improving the comprehensiveness of optical inspection. Meanwhile, the clamping mechanism has good versatility and can adapt to pipes of different sizes and shapes, ensuring the applicability of the device in diverse production scenarios. The complementary data from optical and pneumatic testing provide multi-dimensional verification of workpiece quality, comprehensively improving the overall efficiency of quality inspection.

[0045] In this embodiment, the bottom of the pipe is supported by the sealing gasket 22, which facilitates the sealing operation of the bottom of the pipe. The three light sources 6 on the optical measuring machine 5 illuminate the placed pipe to perform optical measurement. The light sources 6 are connected to the power supply and controller, which is an existing detection technology.

[0046] As an example, such as Figure 1 As shown, a guide rail 10 is fixedly connected to the side of the optical measuring machine 5 near the testing platform 4. A lifting cylinder 11 is slidably connected to the guide rail 10. Left and right cylinders 12 are fixedly connected to the top of the guide rail 10. The output ends of the left and right cylinders 12 are fixedly connected to one side of the lifting cylinder 11. A support block 13 is fixedly connected to the output end of the lifting cylinder 11.

[0047] As an example, such as Figure 1 As shown, a support plate 14 is fixedly connected to the side of the support block 13 near the inspection platform 4. Multiple mechanical grippers 15 are fixedly connected to the side of the support plate 14 near the inspection platform 4. Each mechanical gripper 15 has a gripper 16 at its bottom. With the help of the mechanical grippers 15, lifting cylinders 11, and left and right cylinders 12, this invention achieves fully automated transfer of workpieces from loading, optical measurement, pneumatic measurement to finished / defective product sorting. The optical and pneumatic measurement results are linked in real time. After inspection, the system automatically diverts the workpiece to the finished or defective product conveying mechanism without manual intervention. This highly automated design not only reduces labor intensity but also avoids false or missed inspections caused by human factors, further ensuring the consistency and reliability of the quality inspection results.

[0048] As an example, such as Figure 1 As shown, the feeding conveyor 2 and the support frame 7 are located on both sides of the testing platform 4, the finished product conveyor 8 is located on the other side of the support frame 7, and the defective product conveyor 9 is located on the other side of the finished product conveyor 8.

[0049] As an example, such as Figure 1 As shown, the spacing between the feeding conveyor mechanism 2, the inspection platform 4, the support frame 7, the finished product conveyor mechanism 8, and the defective product conveyor mechanism 9 is the same. This invention highly integrates functional modules such as optical measurement, pneumatic measurement, clamping, and conveying onto the same base, resulting in a compact structure, small footprint, and easy deployment and maintenance on the production line. The equal spacing between each mechanism and the reasonable process design reduce the workpiece transfer path, further improving overall operational efficiency.

[0050] In this embodiment, the guide rail 10, left and right cylinders 12 and lifting cylinder 11 work together to drive the mechanical gripper 15 to achieve precise clamping and transfer of the pipe fitting. With the coordinated operation of multiple mechanical grippers 15, the workpiece can be transferred sequentially from the feeding conveyor 2 to the inspection platform 4, support frame 7, finished product conveyor 8 and defective product conveyor 9, thereby continuously completing optical inspection, airtightness inspection and sorting of finished and defective products in a single process, significantly improving the continuity of operation and overall work efficiency.

[0051] Working principle of this invention:

[0052] In use, after the pipe fitting is placed, the electric push rod 30 drives the rotating frame 33 to rotate around the support rod 23 through its extension movement, pushing the limit wheel 35 to move towards the center position of the placement slot 20. When the rotating frame 33 rotates, it drives the push plate 44 on one side, which in turn drives the adjusting ring 43 to rotate in the housing 19. The adjusting ring 43 drives the other rotating frames 33 to rotate around the support rod 23 synchronously through the multiple circumferentially arranged push plates 44, so that all the limit wheels 35 move towards the center together, achieving stable clamping while assisting in the centering of the pipe fitting.

[0053] The lifting cylinder 11 is driven by the left and right cylinders 12 to move laterally along the guide rail 10. Combined with the lifting cylinder 11 driving the support block 13 and the mechanical gripper 15 to move vertically, the pipe fittings are accurately gripped and transferred. The mechanical gripper 15 sequentially transfers the pipe fittings to the inspection platform 4, support frame 7, finished product conveying mechanism 8 and defective product conveying mechanism 9, thereby completing the optical inspection, airtightness inspection and automatic sorting of finished and defective products in a single continuous process.

[0054] This invention, through the deep integration and process optimization of optical and pneumatic testing, not only solves the problems of low testing efficiency and difficulty in ensuring accuracy in existing technologies, but also realizes full automation and high reliability of workpiece quality inspection, and is particularly suitable for rapid and accurate quality inspection of workpieces such as valves and pipe fittings.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The workpiece quality inspection device integrating optical measurement and aerodynamic detection, comprising a base (1), a feeding conveying mechanism (2), a detection platform (4), an optical measurement machine (5), a support frame (7), a finished product conveying mechanism (8) and a defective product conveying mechanism (9), characterized in that, The support frame (7) is provided with a working groove (17), a pneumatic probe (18) capable of lifting is arranged in the working groove (17), the top of the support frame (7) is fixedly connected with a shell (19), the bottom of the shell (19) is provided with a placing groove (20), the placing groove (20) is above the working groove (17), the inner wall bottom of the shell (19) is fixedly connected with a plurality of supporting rods (23), a plurality of rotating frames (33) are arranged in the shell (19), a plurality of cylinder bodies (34) are fixedly connected with the rotating frames (33), the rotating frames (33) are rotatably connected to the supporting rods (23) through the cylinder bodies (34), one end of the rotating frames (33) is provided with a limiting wheel (35) capable of rotating, a non-slip pad (36) is fixedly connected with the limiting wheel (35); The light measuring machine (5) is fixedly connected with a guide rail (10) on the side close to the detection platform (4), the guide rail (10) is slidably connected with a lifting cylinder (11), the top of the guide rail (10) is fixedly connected with a left-right cylinder (12), the output end of the left-right cylinder (12) is fixedly connected to one side of the lifting cylinder (11), and the output end of the lifting cylinder (11) is fixedly connected with a supporting block (13); The supporting block (13) is fixedly connected with a supporting plate (14) on the side close to the detection platform (4), the supporting plate (14) is fixedly connected with a plurality of mechanical grippers (15) on the side close to the detection platform (4), and the bottom of each mechanical gripper (15) is provided with a clamping jaw (16); The feeding conveying mechanism (2) and the support frame (7) are located on the two sides of the detection platform (4), the finished product conveying mechanism (8) is located on the other side of the support frame (7), and the substandard product conveying mechanism (9) is located on the other side of the finished product conveying mechanism (8); The mechanical grippers (15) sequentially transfer the pipe fittings to the detection platform (4), the support frame (7), the finished product conveying mechanism (8) and the substandard product conveying mechanism (9) in sequence, so that the optical detection, the air tightness detection and the automatic sorting of finished products and substandard products are completed in a single continuous process; The top of the support frame (7) is fixedly connected with an electric push rod (30), one side of the shell (19) is provided with a penetrating hole (29), the output end of the electric push rod (30) penetrates through the penetrating hole (29) and is fixedly connected with a fixing seat (31), the fixing seat (31) is rotatably connected with a pushing rod (32), and the other end of the pushing rod (32) is rotatably connected to one side of the rotating frame (33); The shell (19) is provided with a rotating adjusting ring (43), and the inner wall of the adjusting ring (43) is provided with a plurality of push plates (44); the push plates (44) are matched with one side of the rotating frames (33) respectively; The push plate (44) close to the electric push rod (30) on the adjusting ring (43) is fixedly connected with a connecting belt (45), and the other end of the connecting belt (45) is fixedly connected to the adjacent rotating frame (33); The top of the shell (19) is fixedly connected with a cover plate (21), the top of the support frame (7) is fixedly connected with an annular sealing gasket (22), the working groove (17) is located at the center position of the sealing gasket (22), and the sealing gasket (22) is located in the placing groove (20).

2. The integrated optical and pneumatic inspection apparatus of claim 1, wherein, The top of the base (1) is fixedly connected with a support seat (3), the detection platform (4) is fixedly connected to the top of the support seat (3), and three light source lamps (6) are arranged on the light measuring machine (5), and the three light source lamps (6) are located on both sides and above the detection platform (4).

3. The integrated optical and pneumatic inspection apparatus of claim 1, wherein, The spacing between the feeding conveying mechanism (2), the detection platform (4), the support frame (7), the finished product conveying mechanism (8) and the defective product conveying mechanism (9) is the same.

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