A light measurement and gas measurement coupling workpiece quality inspection system resistant to air flow interference

Abstract

The application discloses an anti-airflow-interference light measurement and gas measurement coupled workpiece quality inspection system, relates to the technical field of workpiece quality inspection, and solves the technical problem that airflow interference of gas measurement pollutes equipment, and comprises a base, a feeding conveying mechanism, a detection platform, a supporting frame, a light measurement machine, a finished product conveying mechanism and a substandard product conveying mechanism, the top of the base is fixedly connected with a fixed plate, an insertion slot is formed in the top of the fixed plate, a baffle is slidably connected in the insertion slot, an air suction hood is arranged at the top of the baffle, a guide sliding rail is arranged on one side of the light measurement machine, a connecting rod is connected to one side of the air suction hood, and a sliding wheel is connected to the other end of the connecting rod. The application effectively blocks and guides the interference airflow generated in the gas measurement process, prevents the airflow generated by gas measurement from invading the light measurement area, drives the baffle to stably ascend and descend in the insertion slot, avoids the interference of the mechanical gripper when placing the pipe, can quickly reset after placement is completed, and realizes timely blocking of the gas measurement airflow.

Description

Technical Field

[0001] This invention relates to the field of workpiece quality inspection technology, specifically a workpiece quality inspection system that combines optical and pneumatic measurement to resist airflow interference. 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, they need to be subjected to optical inspection and pneumatic inspection in sequence to ensure that their processing quality meets the standards.

[0003] In the existing testing process, the pipe fittings are first transported to the optical testing station to complete optical testing. Then, they need to be transferred to a specific position where the equipment automatically inserts the probe. To improve efficiency and achieve simultaneous optical and pneumatic testing, a pneumatic testing station is usually set up on one side of the optical testing platform so that pneumatic testing can be performed immediately after the optical testing is completed.

[0004] However, when the gas measuring mechanism inspects the pipe fittings, the upward-flowing airflow during its operation will continue to diffuse and intrude into the adjacent optical detection area, causing instability in the optical measurement environment and thus interfering with the accuracy of the measurement data.

[0005] Furthermore, the upward airflow generated during the gas measurement process is not effectively collected and discharged, which can easily carry suspended particles from the surrounding air and impact the optical detection device. This not only contaminates the surface of the light source lens, but also may cause contamination and damage to precision optical components with long-term use, affecting the service life of the equipment and the reliability of the detection.

[0006] Based on this, the present invention provides a workpiece quality inspection system that combines optical and gas measurement to resist airflow interference in order 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 system that combines optical and gas measurement with air measurement to resist airflow interference. The present invention has a novel structure and ingenious design, and effectively solves the technical problem of airflow interference and equipment contamination caused by air measurement.

[0008] A workpiece quality inspection system that combines optical and pneumatic measurement to resist airflow interference includes a base, a feeding and conveying mechanism, a testing platform, a support frame, an optical measuring machine, a finished product conveying mechanism, and a defective product conveying mechanism. A fixing plate is fixedly connected to the top of the base, and the fixing plate is located between the testing platform and the support frame. An insertion slot is provided on the top of the fixing plate, and a liftable baffle is slidably connected in the insertion slot. A rotatable suction hood is provided on the top of the baffle. A guide rail is provided on one side of the optical measuring machine. A connecting rod is fixedly connected to the side of the suction hood near the optical measuring machine, and a sliding wheel is fixedly connected to the other end of the connecting rod. The sliding wheel is slidably connected in the guide rail.

[0009] Preferably, a plurality of air guide plates are fixedly connected to one side of the baffle, and the plurality of air guide plates are evenly distributed on the baffle. A groove is provided on the side of the fixed plate near the support frame, and a slider is fixedly connected to one side of the baffle, and the slider is slidably connected in the groove.

[0010] Preferably, two fixed seats are fixedly connected to the side of the fixed plate near the support frame. The two fixed seats are located above and below the slide groove, respectively. An active roller and a driven roller are rotatably connected to the two fixed seats. The active roller is located below the driven roller. A belt is sleeved on the active roller and the driven roller. The upper and lower ends of one side of the belt are fixedly connected to the top and bottom of the slider, respectively.

[0011] Preferably, a motor is fixedly connected to one side of the fixed plate, a rotating shaft is fixedly connected to the output end of the motor, and the other end of the rotating shaft is fixedly connected to the roller shaft at one end of the active idler roller.

[0012] Preferably, the top of the baffle has two storage slots, and the bottom of the suction hood is fixedly connected to two rotating blocks, which are rotatably connected to the two storage slots respectively.

[0013] Preferably, an air supply pipe is fixedly connected to one side of the suction hood, and an air pump is fixedly connected to the top of the base. The air pump is located on one side of the optical measuring machine, and the other end of the air supply pipe is fixedly connected to the input end of the air pump.

[0014] Preferably, a mounting bracket is fixedly connected to one side of the optical measuring machine, and the guide rail is fixedly connected to one side of the mounting bracket. The guide rail is arc-shaped.

[0015] Preferably, the support frame is equipped with a pneumatic probe that can be raised and lowered, and a protective shell is fixedly connected to the top of the support frame. Multiple rotating frames are provided inside the protective shell, and a limit wheel is rotatably connected to one side of each of the multiple rotating frames. The multiple limit wheels cooperate with each other to center the workpiece.

[0016] Preferably, a guide rail is fixedly connected to one side of the optical measuring machine, 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, a support block is fixedly connected to the output end of the lifting cylinder, a support plate is fixedly connected to one side of the support block, and multiple mechanical grippers are fixedly connected to the support plate.

[0017] Preferably, the working ends of the feeding conveyor, the testing platform, the fixed plate, the support frame, the finished product conveyor, and the defective product conveyor are on the same straight line on the base, and 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 present invention has the following technical effects.

[0019] 1. This invention effectively blocks and guides the interfering airflow generated during the gas measurement process through a fixed plate, insertion slot, baffle, and air guide plate, preventing the airflow generated by the gas measurement from intruding into the optical measurement area. Through a slider, active roller, driven roller, and belt, the baffle can be easily driven to rise and fall smoothly in the insertion slot, which not only avoids interference when the mechanical gripper places the pipe, but also can quickly reset after placement, thus achieving timely isolation of the gas measurement airflow.

[0020] 2. This invention actively extracts the upward-spraying airflow during gas measurement using a suction hood, air supply pipe, and air pump, effectively preventing dust-laden airflow from contaminating and damaging the optical measurement lens. By setting up connecting rods, sliding wheels, and guide rails, the suction hood is guided to rotate and position itself directly above the gas measurement point during its ascent, significantly improving the targeting and effectiveness of airflow extraction.

[0021] 3. This invention achieves efficient transfer of pipe fittings between optical testing, pneumatic testing, and finished product / defective product sorting stations through guide rails, left and right cylinders, lifting cylinders, and mechanical grippers, thereby improving the automation level and ease of operation of the testing process. Attached Figure Description

[0022] 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:

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the assembly structure of the pneumatic probe, protective shell, rotating frame and limiting wheel in this invention;

[0025] Figure 3 This is a schematic diagram of the assembly structure of the optical measuring machine and the air pump in this invention;

[0026] Figure 4 This is a schematic diagram of the assembly structure of the active idler, driven idler, and belt in this invention;

[0027] Figure 5 This is a schematic diagram of the assembly structure of the suction hood, rotating block and air delivery pipe in this invention;

[0028] Figure 6This is a schematic diagram of the assembly structure of the baffle, air guide plate and storage slot in this invention;

[0029] Figure 7 This is a schematic diagram of the assembly structure of the connecting rod, sliding wheel and guide rail in this invention;

[0030] Figure 8 This is a schematic diagram of the assembly structure of the mounting bracket and guide rail in this invention.

[0031] Reference numerals: 1-Base; 2-Feeding conveyor mechanism; 3-Detection platform; 4-Support frame; 5-Fixed plate; 6-Optical measuring machine; 7-Finished product conveying mechanism; 8-Defective product conveying mechanism; 9-Guide rail; 10-Left and right cylinders; 11-Lifting cylinder; 12-Support block; 13-Support plate; 14-Mechanical gripper; 15-Air pump; 16-Insertion slot; 17-Baffle; 18-Air guide plate; 19-Collection slot; 20-Suction hood; 21-Rotating block; 22-Air supply pipe; 23-Slide groove; 24-Slider; 25-Fixed seat; 26-Active roller; 27-Driven roller; 28-Belt; 29-Motor; 30-Rotating shaft; 31-Connecting rod; 32-Sliding wheel; 33-Mounting frame; 34-Guide slide rail; 35-Pneumatic probe; 36-Protective shell; 37-Rotating frame; 38-Limiting wheel. Detailed Implementation

[0032] 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.

[0033] Exemplary embodiments of the present invention will now be described with reference to the accompanying drawings.

[0034] This invention is a workpiece quality inspection system that combines optical and pneumatic measurement to resist airflow interference. Existing systems have a pneumatic measurement structure set on one side of the optical measurement. When performing pneumatic measurement on pipes, the escaping airflow generated by the pneumatic measurement interferes with the airflow environment of the optical detection area, resulting in inaccurate measurement data.

[0035] When performing air measurement, the lack of a structure to collect airflow means that the uncollected upward airflow can carry pollutants that impact and damage optical components, affecting the lifespan and reliability of the equipment.

[0036] As an example, such as Figure 1 and Figure 4The present invention includes a base 1, a feeding and conveying mechanism 2, a testing platform 3, a support frame 4, an optical measuring machine 6, a finished product conveying mechanism 7, and a defective product conveying mechanism 8. A fixing plate 5 is fixedly connected to the top of the base 1. The fixing plate 5 is located between the testing platform 3 and the support frame 4. An insertion slot 16 is opened on the top of the fixing plate 5. A baffle 17 that can be raised and lowered is slidably connected in the insertion slot 16. A rotatable suction hood 20 is provided on the top of the baffle 17. A guide rail 34 is provided on one side of the optical measuring machine 6. A connecting rod 31 is fixedly connected to the side of the suction hood 20 near the optical measuring machine 6. A sliding wheel 32 is fixedly connected to the other end of the connecting rod 31. The sliding wheel 32 is slidably connected in the guide rail 34.

[0037] In this embodiment, the mechanical gripper 14 is manipulated to pick up and move the pipe by controlling the left and right cylinders 10 and the lifting cylinder 11. After the mechanical gripper 14 places the pipe at the gas measurement position, the baffle 17 is raised and extended in the insertion slot 16 on the fixed plate 5. With the cooperation of the baffle 17 and the fixed plate 5, the upward airflow generated during the gas measurement is effectively blocked to prevent it from intruding into the optical observation area, thereby ensuring the accuracy of the optical detection data. After the gas measurement is completed, the baffle 17 is lowered and retracted into the insertion slot 16 of the fixed plate 5 to make room for the mechanical gripper 14 to remove the measured pipe and insert a new pipe. The upward airflow sprayed during the gas measurement is extracted by the suction hood 20. When the baffle 17 pushes the suction hood 20 to rise, the sliding wheel 32 installed on one side of the suction hood 20 will move along the guide rail 34 to guide the rising suction hood 20, so that the suction hood 20 can rotate to directly above the gas measurement point during the rising process, thereby significantly improving the capture efficiency of the airflow suction.

[0038] As an example, a plurality of air guide plates 18 are fixedly connected to one side of the baffle 17. The plurality of air guide plates 18 are all elongated and are evenly distributed on the baffle 17. A groove 23 is provided on the side of the fixed plate 5 near the support frame 4. A slider 24 is fixedly connected to one side of the baffle 17. The slider 24 is rectangular and is slidably connected in the groove 23. The shape of the slider 24 matches the cross-section of the groove 23.

[0039] As an example, such as Figure 4 Two fixed seats 25 are fixedly connected to the side of the fixed plate 5 near the support frame 4. The two fixed seats 25 are located above and below the slide groove 23, respectively. The two fixed seats 25 are rotatably connected to the active idler roller 26 and the driven idler roller 27, respectively. The active idler roller 26 is located below the driven idler roller 27. The active idler roller 26 and the driven idler roller 27 are fitted with belts 28. The upper and lower ends of one side of the belt 28 are fixedly connected to the top and bottom of the slider 24, respectively.

[0040] As an example, such as Figure 4A motor 29 is fixedly connected to one side of the fixed plate 5. A rotating shaft 30 is fixedly connected to the output end of the motor 29. The other end of the rotating shaft 30 is fixedly connected to the roller shaft at one end of the active roller 26.

[0041] In this embodiment, the air guide plate 18 provided on one side of the baffle 17 enhances the blocking and guiding effect on the airflow. The motor 29 drives the rotating shaft 30 to rotate, which in turn drives the active roller 26 to rotate on the fixed seat 25. The active roller 26 transmits power through the belt 28, which drives the driven roller 27 to rotate synchronously, thereby pulling the slider 24 to rise along the slide groove 23. The slider 24 further pulls the baffle 17, causing the baffle 17 to rise and extend into the insertion slot 16 on the fixed plate 5 to perform the airflow blocking operation. After the air measurement is completed, the motor 29 rotates in the opposite direction, driving the rotating shaft 30 to rotate in the opposite direction, so that the active roller 26, the belt 28 and the driven roller 27 are driven in reverse in sequence. Finally, the belt 28 pulls the slider 24 down along the slide groove 23, causing the baffle 17 to fall down and retract into the insertion slot 16 of the fixed plate 5, so as to avoid interfering with the subsequent picking and placing operations of the mechanical gripper 14 on the pipe.

[0042] As an example, such as Figure 4 , Figure 5 and Figure 6 The top of the baffle 17 has two storage slots 19, and the bottom of the suction hood 20 is fixedly connected to two rotating blocks 21, which are rotatably connected to the two storage slots 19 respectively.

[0043] As an example, such as Figure 4 and Figure 5 An air supply pipe 22 is fixedly connected to one side of the suction hood 20, and an air pump 15 is fixedly connected to the top of the base 1. The air pump 15 is located on one side of the optical measuring machine 6, and the other end of the air supply pipe 22 is fixedly connected to the input end of the air pump 15.

[0044] As an example, such as Figure 4 A mounting bracket 33 is fixedly connected to one side of the optical measuring machine 6, and a guide rail 34 is fixedly connected to one side of the mounting bracket 33. The guide rail 34 is arc-shaped.

[0045] In this embodiment, during the process of pushing the suction hood 20 upward, the connecting rod 31 on one side rises synchronously, driving the sliding wheel 32 at the end of the connecting rod 31 to slide upward along the guide rail 34. When the sliding wheel 32 moves to the turning position of the guide rail 34, as the baffle 17 continues to rise, the sliding wheel 32 will continue to move within the guide rail 34. At the same time, the rotating block 21 at the bottom of the suction hood 20 rotates and engages with the receiving groove 19 on the baffle 17, so that the air inlet of the suction hood 20 gradually rotates toward the gas measurement position during the upward process, until the sliding wheel 32 moves to the other end of the guide rail 34 and stops. The suction hood 20 reaches the maximum angle toward the gas measurement point. After positioning is completed, the air pump 15 starts and draws air into the inside of the suction hood 20 through the air supply pipe 22, so that a negative pressure state is formed inside the hood, thereby effectively extracting the upward airflow of the gas measurement spray and preventing it from carrying dust to impact the optical measurement lens equipment, causing pollution or damage.

[0046] As an example, such as Figure 2 The support frame 4 is equipped with a pneumatic probe 35 that can be raised and lowered. A protective shell 36 is fixedly connected to the top of the support frame 4. Multiple rotating frames 37 are installed inside the protective shell 36. Each of the multiple rotating frames 37 is rotatably connected to a limit wheel 38 on one side. The multiple limit wheels 38 cooperate with each other to center the workpiece.

[0047] As an example, such as Figure 1 and Figure 2 A guide rail 9 is fixedly connected to one side of the optical measuring machine 6. A lifting cylinder 11 is slidably connected to the guide rail 9. A left and right cylinder 10 is fixedly connected to the top of the guide rail 9. The output end of the left and right cylinder 10 is fixedly connected to one side of the lifting cylinder 11. A support block 12 is fixedly connected to the output end of the lifting cylinder 11. A support plate 13 is fixedly connected to one side of the support block 12. Multiple mechanical grippers 14 are fixedly connected to the support plate 13.

[0048] As an example, such as Figure 1 The working ends of the feeding conveyor 2, the testing platform 3, the fixed plate 5, the support frame 4, the finished product conveyor 7, and the defective product conveyor 8 are on the same straight line on the base 1, and the spacing between the feeding conveyor 2, the testing platform 3, the support frame 4, the finished product conveyor 7, and the defective product conveyor 8 is the same.

[0049] In this embodiment, the pneumatic probe 35 performs pneumatic testing on the placed pipe. During this process, multiple rotating frames 37 work together to drive their respective limit wheels 38 to move closer to each other, thereby clamping the pipe from all sides and ensuring its stability during the testing process, thus facilitating the pneumatic testing operation. At the same time, the system drives the mechanical gripper 14 to move along a predetermined path through the cooperation of the guide rail 9, left and right cylinders 10 and lifting cylinder 11, completing the gripping and placement of the pipe, significantly improving the overall automation level of optical and pneumatic testing.

[0050] Working principle of this invention:

[0051] In use, the left and right cylinders 10 and the lifting cylinder 11 work together to drive the mechanical gripper 14 to complete the automatic transfer of the pipe fittings. The pipe fittings are picked up from the feeding conveyor 2 and placed on the detection platform 3 for optical measurement. Then, the pipe fittings that have completed optical measurement are transferred from the detection platform 3 to the support frame 4 for pneumatic measurement. Next, the pipe fittings that pass the pneumatic measurement are transferred from the support frame 4 to the finished product conveyor 7. If they are identified as defective products, they are sorted from the finished product conveyor 7 to the defective product conveyor 8, thus realizing the full automation of the observation and pneumatic measurement process.

[0052] When the pipe is placed at the gas testing station, the motor 29 starts, driving the active roller 26 to rotate, and through the cooperation of the driven roller 27, the belt 28 is driven. The belt 28 then pulls the slider 24 to slide upward along the slide groove 23, so that the baffle 17 extends out of the insertion groove 16 of the fixed plate 5, effectively blocking the upward airflow generated during the gas testing process. After the gas testing is completed, the motor 29 reverses, driving the baffle 17 to descend and retract into the insertion groove 16 to complete the storage.

[0053] When the baffle 17 rises, it drives the suction hood 20 on its top to rise synchronously. The connecting rod 31 on the side of the suction hood 20 rises accordingly, pushing the sliding wheel 32 at the end to move along the guide rail 34. When the sliding wheel 32 moves to the turning section of the guide rail 34, the suction hood 20 rotates while continuing to rise, so that its air inlet is accurately aligned with the gas measuring part. At this time, the air pump 15 starts to draw air from the inside of the suction hood 20, forming a negative pressure environment and effectively drawing the airflow ejected from the gas measuring part. When the baffle 17 falls, the sliding wheel 32 on the side of the suction hood 20 slides in the opposite direction along the guide rail 34, driving the suction hood 20 to reset.

[0054] The present invention has the following technical effects.

[0055] 1. The present invention effectively blocks and guides the interfering airflow generated during the gas measurement process through the fixed plate 5, the insertion slot 16, the baffle 17 and the air guide plate 18, preventing the airflow generated by the gas measurement from intruding into the optical measurement area. The baffle 17 is easily driven to rise and fall smoothly in the insertion slot 16 by the slider 24, the active roller 26, the driven roller 27 and the belt 28, which not only avoids the interference when the mechanical gripper 14 places the pipe, but also can quickly reset after placement, so as to achieve timely isolation of the gas measurement airflow.

[0056] 2. This invention actively extracts the upward-spraying airflow during gas measurement using a suction hood 20, an air supply pipe 22, and an air pump 15, effectively preventing dust-laden airflow from contaminating and damaging the optical measurement lens. By setting a connecting rod 31, a sliding wheel 32, and a guide rail 34, the suction hood 20 is guided to rotate and be positioned directly above the gas measurement point during its ascent, significantly improving the targeting and effectiveness of airflow extraction.

[0057] 3. This invention achieves efficient transfer of pipe fittings between optical testing, pneumatic testing, and finished product and defective product sorting stations through guide rail 9, left and right cylinders 10, lifting cylinder 11 and mechanical gripper 14, thereby improving the automation level and ease of operation of the testing process.

[0058] 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. An optical and gas measurement coupling workpiece quality inspection system resistant to air flow interference, comprising a base (1), a feeding conveying mechanism (2), a detection platform (3), a support frame (4), an optical measurement machine (6), a finished product conveying mechanism (7) and a defective product conveying mechanism (8), characterized in that, The top of the base (1) is fixedly connected with a fixed plate (5), the fixed plate (5) is located between the detection platform (3) and the support frame (4), the top of the fixed plate (5) is provided with an insertion slot (16), the insertion slot (16) is slidably connected with a liftable baffle (17), the top of the baffle (17) is provided with a rotatable air suction cover (20), one side of the light measuring machine (6) is provided with a guide rail (34), the air suction cover (20) is fixedly connected with a connecting rod (31) on the side close to the light measuring machine (6), the other end of the connecting rod (31) is fixedly connected with a sliding wheel (32), and the sliding wheel (32) is slidably connected in the guide rail (34). The top of the baffle (17) is provided with two receiving grooves (19), and the bottom of the air suction cover (20) is fixedly connected with two rotating blocks (21), and the two rotating blocks (21) are rotatably connected in the two receiving grooves (19) respectively. One side of the light measuring machine (6) is fixedly connected with a mounting frame (33), and the guide rail (34) is fixedly connected on one side of the mounting frame (33); the guide rail (34) is arc-shaped. The support frame (4) is provided with a liftable pneumatic probe (35).

2. The optical and gamma-ray coupling workpiece inspection system of claim 1, wherein, One side of the baffle (17) is fixedly connected with a plurality of air deflectors (18), and the plurality of air deflectors (18) are evenly distributed on the baffle (17); one side of the fixed plate (5) close to the support frame (4) is provided with a sliding groove (23), and one side of the baffle (17) is fixedly connected with a sliding block (24), and the sliding block (24) is slidably connected in the sliding groove (23).

3. The optical and gamma-ray coupling workpiece inspection system of claim 2, wherein, One side of the fixed plate (5) close to the support frame (4) is fixedly connected with two fixed seats (25), and the two fixed seats (25) are located above and below the sliding groove (23) respectively; two driving rollers (26) and two driven rollers (27) are rotatably connected on the two fixed seats (25) respectively, the driving roller (26) is located below the driven roller (27), and a belt (28) is sleeved on the driving roller (26) and the driven roller (27); the upper and lower ends of one side of the belt (28) are fixedly connected to the top and bottom of the sliding block (24) respectively.

4. The optical and gamma-ray coupling workpiece inspection system of claim 3, wherein, One side of the fixed plate (5) is fixedly connected with a motor (29), the output end of the motor (29) is fixedly connected with a rotating shaft (30), and the other end of the rotating shaft (30) is fixedly connected to the roller shaft at one end of the driving roller (26).

5. The optical and gamma-ray coupling workpiece inspection system of claim 1, wherein, One side of the air suction cover (20) is fixedly connected with a gas conveying pipe (22), the top of the base (1) is fixedly connected with a gas suction pump (15), and the gas suction pump (15) is located on one side of the light measuring machine (6); the other end of the gas conveying pipe (22) is fixedly connected to the input end of the gas suction pump (15).

6. The optical and gamma-ray coupling workpiece inspection system of claim 1, wherein, The top of the support frame (4) is fixedly connected with a protective shell (36), and the protective shell (36) is provided with a plurality of rotatable rotating frames (37); one side of each of the plurality of rotating frames (37) is rotatably connected with a limiting wheel (38), and the plurality of limiting wheels (38) cooperate with each other to centrally position the workpiece.

7. The optical and gamma-ray coupling workpiece inspection system of claim 1, wherein, One side of the light measuring machine (6) is fixedly connected with guide rail (9), the guide rail (9) is slidably connected with lifting cylinder (11), the top of guide rail (9) is fixedly connected with left and right cylinder (10), the output end of left and right cylinder (10) is fixedly connected on one side of lifting cylinder (11), the output end of lifting cylinder (11) is fixedly connected with support block (12), one side of support block (12) is fixedly connected with support plate (13), a plurality of mechanical grippers (14) are fixedly connected on support plate (13).

8. The optical and gamma-ray coupling workpiece inspection system of claim 1, wherein, The working ends on the feeding conveying mechanism (2), the detection platform (3), the fixed plate (5), the support frame (4), the finished product conveying mechanism (7) and the substandard product conveying mechanism (8) are on the same straight line on the base (1), and the distances between the feeding conveying mechanism (2), the detection platform (3), the support frame (4), the finished product conveying mechanism (7) and the substandard product conveying mechanism (8) are the same.

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