A round tube appearance and size detection device

Abstract

The utility model discloses a kind of round tube appearance and size detection equipment, it includes conveying device, setting in the conveying device input end's feeding device and the conveying direction of the conveying device sequentially arranged first normalizing mechanism to the normalizing of round tube both ends, first detection piece whether the detection of round tube both ends is reversed, the reversing device to the reversing of round tube both ends, the first detection module of the appearance and size of round tube detection, first inferior product discharging device, the second normalizing mechanism to the secondary normalizing of round tube both ends, the second detection module of the appearance of round tube detection, second inferior product discharging device and good product discharging device.The utility model not only solves the problem of traditional manual detection inefficiency, high quality risk, also overcome the deficiency of existing automated detection equipment in workpiece direction identification and positioning accuracy, realizes to automobile safety air bag pipe fitting high efficiency, high precision, high reliability Full-automatic detection.

Description

Technical Field

[0001] This utility model belongs to the field of visual inspection technology, and in particular relates to a device for inspecting the appearance and dimensions of a round tube. Background Technology

[0002] Automotive airbag components are an indispensable part of automobiles and a crucial component for safe vehicle operation. During the production process, airbag components undergo rigorous testing and inspection. Traditional manual visual inspection involves manually measuring and screening each airbag component using tools. This method has several drawbacks: firstly, it is inefficient, requiring a large number of employees, which is detrimental to industrialized production and cost reduction; secondly, it carries high quality risks due to varying employee skill levels, leading to many defective products going undetected or unscreened, resulting in unsafe vehicle use and accidents. Therefore, there is an urgent need to design automated testing equipment.

[0003] In the prior art, the testing device of the automatic full inspection machine for automotive airbag tubes disclosed in Chinese invention patent announcement number CN104792290B includes a channel composed of two clamping plates. The outer side of the channel is equipped with a first chamfering detection device, a second chamfering detection device, an inner diameter detection device, and a total tube length detection device. Under the action of a synchronous transfer device cylinder, the top plate can push the tube from the V-shaped fixed material groove to the next feeding inclined plate. This enables automated integrated testing of multiple data points related to the chamfering, inner diameter, and total tube length of automotive airbag tubes. However, this solution still has the following problems: On the one hand, in actual production, for example, when producing... Figure 2 The circular tube 200 shown has several holes on one side wall and no holes on the other side wall, indicating that the automotive airbag tube has a certain directionality. However, the circular tubes 200 are not directional when stacked. Therefore, in actual testing, it is necessary to reverse the direction of the circular tubes 200. However, the above solution cannot reverse the direction of the circular tubes 200. On the other hand, the front and rear positions of the circular tubes 200 may be offset when the circular tubes are transported. During testing, the shooting distance between the camera and the end of the circular tube 200 will change. This not only affects the size and clarity of the image, but also directly affects the accuracy, stability and reliability of the testing system.

[0004] Therefore, it is necessary to provide a device for inspecting the appearance and dimensions of round tubes to solve the above-mentioned technical problems. Utility Model Content

[0005] The main purpose of this invention is to provide a device for inspecting the appearance and dimensions of round tubes. It not only solves the problems of low efficiency and high quality risk of traditional manual inspection, but also overcomes the shortcomings of existing automated inspection equipment in terms of workpiece orientation recognition and positioning accuracy, and realizes fully automated inspection of automotive airbag tubes with high efficiency, high precision and high reliability.

[0006] This utility model achieves the above-mentioned objective through the following technical solution: a round tube appearance and size inspection device, which includes a conveying device, a feeding device disposed at the input end of the conveying device, a first alignment mechanism for aligning both ends of the round tube, a first detection component for detecting whether the two ends of the round tube are reversed, a reversing device for reversing the two ends of the round tube, a first detection module for inspecting the appearance and size of the round tube, a first product unloading device, a second alignment mechanism for second alignment of both ends of the round tube, a second detection module for inspecting the appearance of the round tube, a second product unloading device, and a good product unloading device.

[0007] Furthermore, the conveying device includes a pair of parallel positioning tracks, each positioning track having a plurality of first positioning slots along its length, and a transfer module being disposed between the pair of positioning tracks; the transfer module includes a transfer seat and a lifting drive for driving the transfer seat to perform lifting and lowering actions, the lifting drive being disposed in a plurality of units and arranged on a mounting plate, the mounting plate being driven by the first drive units to move along the length of the positioning tracks, and the transfer seat having a plurality of second positioning slots.

[0008] Furthermore, the feeding device includes a hopper, a pair of first limiting plates disposed inside the hopper, a positioning seat disposed at one end of the hopper, and a feeding component that branches out a single round tube from the hopper and pushes the branched round tube onto the positioning seat. The positioning seat is provided with a pair of second limiting plates and an avoidance notch.

[0009] Furthermore, both the first and second correction mechanisms include a bracket, a second driving member disposed on the bracket, and a pair of mounting blocks disposed on both sides of the second driving member. Each mounting block is connected to a correction block via a horizontal rod, and each correction block has an anti-scratch component disposed on its opposite inner side.

[0010] Furthermore, the reversing device includes a third driving member, a first support plate driven by the third driving member to perform lifting and lowering actions, a first rotary gripper cylinder disposed on the first support plate, and a pair of first grippers connected to the movable end of the first rotary gripper cylinder.

[0011] Furthermore, the first detection module includes several cameras, including a first camera for detecting the total length of the circular tube, a second and a third camera for detecting the inner chamfers at both ends of the circular tube, a fourth and a fifth camera for detecting whether there are defects on the inner wall of the circular tube, and a sixth camera for detecting the inner diameter of the circular tube.

[0012] Furthermore, both the first unloading device and the second unloading device include a waste receiving bin disposed on the side of the conveying device and a first conveying mechanism. The first conveying mechanism includes a fourth driving member, a second support plate that moves perpendicular to the conveying device driven by the fourth driving member, a fifth driving member disposed on the second support plate, a third support plate disposed on the fifth driving member, a second rotary gripper cylinder disposed on the third support plate, and a pair of second grippers connected to the movable end of the second rotary gripper cylinder.

[0013] Furthermore, the second detection module includes several line scanning cameras, and a rotating module that rotates the circular tube around a horizontal axis is also provided below the line scanning cameras.

[0014] Furthermore, the rotating modules are arranged in pairs and located on the front and rear sides of the positioning track. Each rotating module includes a support base, a rotary motor mounted on the support base, a drive shaft driven by the rotary motor to rotate around a horizontal axis, and a first driven shaft and a second driven shaft mounted above the drive shaft. The drive shaft, the first driven shaft, and the second driven shaft are connected by a set of synchronous pulleys for rotational transmission. The first driven shaft and the second driven shaft are arranged parallel to each other and one end extends to the side of the positioning track to support the end of the circular tube.

[0015] Furthermore, the good product unloading device includes a storage component and a second conveying mechanism. The storage component includes a sixth driving member, a mounting base that moves vertically along the positioning track driven by the sixth driving member, and a plurality of material boxes positioned on the mounting base. The second conveying mechanism includes a seventh driving member, a fourth support plate that moves along the length direction of the positioning track driven by the seventh driving member, an eighth driving member disposed on the fourth support plate, a fifth support plate that moves up and down driven by the eighth driving member, a ninth driving member disposed on the fifth support plate, and a third gripper that opens or clamps driven by the ninth driving member.

[0016] Compared with existing technologies, the beneficial effects of this utility model's circular tube appearance and size inspection device are as follows: This solution, through highly automated and intelligent design, not only solves the problems of low efficiency and high quality risk associated with traditional manual inspection, but also overcomes the shortcomings of existing automated inspection equipment in workpiece orientation recognition and positioning accuracy. It achieves highly efficient, high-precision, and high-reliability fully automated inspection of automotive airbag tubing components, which is of great significance for ensuring the quality of automotive parts and promoting industrial upgrading. Specifically: 1. Achieves fully automated inspection, significantly improving work efficiency: The equipment integrates functions such as automatic feeding, conveying, alignment, reversing, multi-dimensional inspection, and sorting and unloading, constructing a complete automated inspection production line. Compared with traditional manual visual inspection, it completely eliminates the dependence on a large number of manual laborers. The inspection process is continuous and efficient, significantly improving production efficiency and better adapting to the needs of large-scale industrial production, which is conducive to reducing production costs. 2. Equipped with intelligent recognition and automatic reversing functions to adapt to product orientation requirements: By setting the first detection component (camera / sensor) and reversing device, the equipment can automatically identify whether the orientation of both ends of the round tube is correct, and automatically complete the 180° reversal by rotating the gripper cylinder when the reversal is detected. This design solves the problem of the lack of orientation when the round tube is stacked and loaded, ensuring that the inspection of all subsequent stations can be performed in a unified and correct direction, thus ensuring the accuracy and consistency of the inspection. 3. Multiple correction mechanisms are adopted to ensure detection accuracy and stability: The equipment is equipped with correction mechanisms (first correction mechanism and second correction mechanism) before key detection stations. These mechanisms can accurately position and correct both ends of the round tube, ensuring that the distance between the end face of the round tube and the camera remains constant during each detection. This effectively eliminates the problems of image size and clarity changes and inconsistent measurement references caused by workpiece position offset, thereby greatly improving the accuracy, stability and reliability of the entire detection system. 4. A comprehensive and multi-dimensional inspection system has been established, with strong quality assurance capabilities: The first inspection module utilizes multiple cameras to simultaneously inspect multiple key dimensions and internal features of the round tube, such as the total length, inner chamfers at both ends, inner wall defects, and inner diameter; the second inspection module drives the round tube to rotate 360° through a rotating module, and in conjunction with a line scan camera, achieves high-precision appearance inspection of the outer circumference and end face of the round tube without blind spots; this comprehensive inspection solution, which combines internal and external inspections and addresses both dimensions and appearance, can efficiently and accurately screen out various non-conforming products, greatly reducing the risk of missing defective products and improving the quality and safety of the final product (automotive airbag components) from the source. 5. Modular design and high adaptability to flexibly meet production needs: Many key components in the equipment, such as the V-groove on the positioning track, the adjustable limit plate in the feeding device, and the adjustable spacing of the alignment block in the alignment mechanism, are all designed as adjustable structures. This allows the equipment to quickly adapt to round pipe products of different diameters and lengths, enhancing the equipment's versatility and flexibility, and meeting the flexible production needs of multiple varieties and small batches. 6. Automated sorting and unloading for efficient management of good and defective products: The equipment is equipped with a primary unloading device, a secondary unloading device, and a good product unloading device. It can automatically sort products into the waste bin or the good product bin according to the test results. The good product unloading device also adopts a multi-bin design, which reduces the frequency of changing bins and further improves the continuity and efficiency of the overall operation. Attached Figure Description

[0017] Figure 1 This is a top view of the circular tube appearance and size inspection device according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the conveying device according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the feeding device according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of the first or second correction mechanism in an embodiment of the present utility model; Figure 5 This is a schematic diagram of the commutation device according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the structure of the first and second product feeding devices according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the structure of the rotating module according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the structure of the good product feeding device according to an embodiment of the present utility model; The numbers in the image represent: 100 - Equipment for inspecting the appearance and dimensions of round pipes; 200 - Round pipes; 1-Conveying device, 11-Positioning track, 12-First positioning groove, 13-Transfer module, 131-Transfer seat, 132-Lifting drive component, 133-Mounting plate, 134-First drive component, 135-Second positioning groove; 2-Feeding device, 21-Hopper, 22-First limiting plate, 23-Positioning seat, 24-Distribution component, 241-Distribution seat, 242-Distribution cylinder, 25-Second limiting plate, 26-Avoidance notch, 27-First fastener, 28-Second fastener; 3-First alignment mechanism, 31-Bracket, 32-Second drive component, 33-Mounting block, 34-Horizontal bar, 35-Alignment block, 36-Anti-scratch component, 37-Third fastener; 4-First inspection piece; 5-Reversing device, 51-Third driving component, 52-First support plate, 53-First rotary gripper cylinder, 54-First gripper; 6-First detection module, 61-First camera, 62-Second camera, 63-Third camera, 64-Fourth camera, 65-Fifth camera, 66-Sixth camera; 7-First unloading device, 71-Waste receiving bin, 72-First conveying mechanism, 721-Fourth driving component, 722-Second support plate, 723-Fifth driving component, 724-Third support plate, 725-Second rotary gripper cylinder, 726-Second gripper; 8-Second Correction Agency; 9-Second detection module, 91-Rotating module, 911-Support base, 912-Rotating motor, 913-Drive shaft, 914-First driven shaft, 915-Second driven shaft, 916-Synchronous belt pulley set, 917-Limit block, 92-Line scan camera; 10-Secondary product feeding device; 20-Good product unloading device, 201-Storage assembly, 2011-Sixth driving component, 2012-Mounting base, 2013-Positioning structure, 202-Second conveying mechanism, 2021-Seventh driving component, 2022-Fourth support plate, 2023-Eighth driving component, 2024-Fifth support plate, 2025-Ninth driving component, 2026-Third gripper. Detailed Implementation

[0018] Please refer to Figures 1-8 This embodiment is a circular tube appearance and size inspection device 100, which includes a conveying device 1, a feeding device 2 disposed at the input end of the conveying device 1, a first alignment mechanism 3 for aligning both ends of the circular tube 200, a first detection component 4 for detecting whether the two ends of the circular tube 200 are reversed, a reversing device 5 for reversing the two ends of the circular tube 200, a first inspection module 6 for inspecting the appearance and size of the circular tube 200, a first product unloading device 7, a second alignment mechanism 8 for second alignment of both ends of the circular tube 200, a second inspection module 9 for inspecting the appearance of the circular tube 200, a second product unloading device 10, and a good product unloading device 20.

[0019] The conveying device 1 includes a pair of parallel positioning rails 11, and a plurality of first positioning grooves 12 are provided along the length of the pair of positioning rails 11. The two ends of the round tube 200 extend out of the outside of the positioning rails 11, and a transfer module 13 is provided in the middle of the pair of positioning rails 11 to transfer the round tube 200 on the first positioning groove 12 to the adjacent first positioning groove 12. The transfer module 13 includes a transfer seat 131 disposed between a pair of positioning rails 11 and a lifting drive 132 for driving the transfer seat 131 to perform lifting and lowering actions. Several lifting drive 132s are provided and arranged on a mounting plate 133. The mounting plate 133 is driven by a first drive 134 to move along the length direction of the positioning rails 11. The transfer seat 131 is relatively long. Several lifting drive 132s are provided to ensure that the transfer seat 131 can perform stable lifting and lowering actions. Several second positioning grooves 135 of the positioning tube 200 are provided on the transfer seat 131. The second positioning grooves 135 have the same structure as the first positioning grooves 12 and are both V-shaped grooves, which can adapt to tubes 200 of different diameters and improve flexibility.

[0020] The feeding device 2 includes a hopper 21, a pair of first limiting plates 22 disposed inside the hopper 21 and limiting both ends of the circular tube 200, a positioning seat 23 disposed at one end of the hopper 21, and a distributing component 24 that branches off a single circular tube 200 from the hopper 21 and pushes the branched circular tube 200 onto the positioning seat 23. The positioning seat 23 is provided with a pair of second limiting plates 25 that limit both ends of the circular tube 200, and the positioning seat 23 is provided with a clearance notch 26 for the transfer seat 131 to extend into. The distributing component 24 includes a distributing seat 241 and a distributing cylinder 242 that drives the distributing seat 241 to move up and down. The distance between the first limiting plate 22 and the second limiting plate 25 is adjustable to accommodate round tubes 200 of different lengths, thus improving flexibility. Specifically, the first limiting plate 22 is set on the hopper 21 with adjustable front and rear positions via the first fastener 27, and the second limiting plate 25 is set on the positioning seat 23 with adjustable front and rear positions via the second fastener 28.

[0021] The first alignment mechanism 3 and the second alignment mechanism 8 have the same or similar structures, and both include a bracket 31, a second driving member 32 mounted on the bracket 31, and a pair of mounting blocks 33 on both sides of the second driving member 32. Each mounting block 33 is connected to an alignment block 35 via a horizontal rod 34. One end of the horizontal rod 34 is movably mounted on the mounting block 33 and tightened by a third fastener 37, while the other end is fixedly connected to the alignment block 35. That is, the distance between the pair of alignment blocks 35 is adjustable. Specifically, the position of the horizontal rod 34 can be adjusted by loosening the third fastener 37 and then tightening it again to achieve the adjustment of the distance between the pair of alignment blocks 35 to accommodate round tubes 200 of different lengths. To prevent the alignment blocks 35 from damaging the two ends of the round tube, anti-scratch components 36 are provided on the opposite inner sides of the alignment blocks 35. The anti-scratch components 36 are made of soft material, such as rubber, and flexibly contact the two ends of the round tube 200 to prevent scratching the two ends of the round tube 200. The first correction mechanism 3 and the second correction mechanism 8 correct both ends of the circular tube 200 to ensure that the shooting distance from the detection camera to the circular tube 200 remains consistent, thereby ensuring the accuracy of camera detection.

[0022] The first detection element 4 is a camera or sensor, capable of detecting whether the two ends of the circular tube 200 are reversed. The reversing device 5 includes a third driving element 51, a first support plate 52 driven by the third driving element 51 to perform lifting and lowering actions, a first rotary gripper cylinder 53 disposed on the first support plate 52, and a pair of first grippers 54 connected to the movable end of the first rotary gripper cylinder 53. The first rotary gripper cylinder 53 can drive the first grippers 54 to perform opening or clamping actions, and can also drive the first grippers 54 to rotate 180°.

[0023] The first detection module 6 includes several cameras, including a first camera 61 for detecting the total length of the circular tube 200, a second camera 62 and a third camera 63 for detecting the inner chamfers at both ends of the circular tube 200, a fourth camera 64 and a fifth camera 65 for detecting whether there are defects on the inner wall of the circular tube 200, and a sixth camera 66 for detecting the inner diameter of the circular tube 200. The second camera 62 and the third camera 63 are located on the front and rear sides of the conveying device 1 and are opposite to each other. The fourth camera 64 and the fifth camera 65 are located on the front and rear sides of the conveying device 1 and are offset to the left and right. The specific installation positions of the cameras are set according to the actual situation and are not limited here.

[0024] The first unloading device 7 and the second unloading device 10 have the same or similar structure, and both include a waste receiving bin 71 located on the side of the conveying device 1 and a first conveying mechanism 72 that transports the unqualified round tubes 200 on the positioning track 11 into the waste receiving bin 71. The first conveying mechanism 72 includes a fourth driving member 721, a second support plate 722 driven by the fourth driving member 721 to move perpendicular to the conveying device 1, a fifth driving member 723 located on the second support plate 722, a third support plate 724 located on the fifth driving member 723, a second rotary gripper cylinder 725 located on the third support plate 724, and a pair of second grippers 726 connected to the movable end of the second rotary gripper cylinder 725. The second rotary gripper cylinder 725 can drive the second grippers 726 to open or clamp, and can also drive the second grippers 726 to rotate 90°.

[0025] The second detection module 9 includes several line scanning cameras 92, which take pictures of the outer periphery and end face of the circular tube 200. Below the line scanning cameras, there is also a rotating module 91 that rotates the circular tube 200 around a horizontal axis. The rotating module 91 can drive the circular tube 200 to rotate 360° around the horizontal axis so that the line scanning cameras can scan the 360° outer wall of the circular tube 200 and ensure the detection accuracy of the outer periphery of the circular tube.

[0026] The rotating modules 91 are arranged in pairs and located on the front and rear sides of the positioning track 11, supporting both ends of the circular tube 200 and driving the circular tube 200 to rotate around the horizontal axis. Specifically, the rotating module 91 includes a support base 911, a rotary motor 912 mounted on the support base 911, a drive shaft 913 driven by the rotary motor 912 to rotate around the horizontal axis, and a first driven shaft 914 and a second driven shaft 915 mounted above the drive shaft 913. The drive shaft 913, the first driven shaft 914, and the second driven shaft 915 are connected by a synchronous pulley set 916 for rotational transmission. The first driven shaft 914 and the second driven shaft 915 are arranged in parallel and one end extends to the side of the positioning track 11 to support the end of the circular tube 200. When the first driven shaft 914 and the second driven shaft 915 rotate, they can drive the end of the circular tube 200 to rotate, thereby driving the circular tube 200 to rotate 360° around the horizontal axis. The top of the support base 911 is also provided with a limiting block 917 to limit the end of the round tube 200, so as to prevent the front and rear positions of the round tube 200 from deviating when it rotates.

[0027] The good product unloading device 20 includes a storage component 201 and a second conveying mechanism 202 that transports qualified round tubes 200 from the positioning rail 11 into the storage component 201. The storage component 201 includes a sixth driving member 2011, a mounting base 2012 driven by the sixth driving member 2011 to move vertically on the positioning rail 11, and several material boxes positioned on the mounting base 2012. The mounting base 2012 is provided with a positioning structure 2013 for positioning the material boxes. The sixth driving member 2011 drives the mounting base 2012 to move to switch different material boxes, realizing multi-station unloading and reducing the unloading frequency. The second conveying mechanism 202 includes a seventh driving member 2021, a fourth support plate 2022 driven by the seventh driving member 2021 to move along the length direction of the positioning track 11, an eighth driving member 2023 disposed on the fourth support plate 2022, a fifth support plate 2024 driven by the eighth driving member 2023 to move up and down, a ninth driving member 2025 disposed on the fifth support plate 2024, and a third gripper 2026 driven by the ninth driving member 2025 to perform opening or clamping actions.

[0028] When using the circular tube appearance and size inspection device 100 provided in this solution, a stack of circular tubes 200 is placed into the hopper 21 by a person or a robot. A pair of first limiting plates 22 limit both ends of the circular tubes. The distributing cylinder 242 retracts, driving the distributing seat 241 to rise and pushing the foremost circular tube 200 upward. The circular tube 200 enters the positioning seat 23. A pair of second limiting plates 25 limit both ends of the circular tube 200. The first driving component 134 drives the mounting plate 133 to move one end of the transfer seat 131 into the clearance notch 26. The lifting driving component 132 drives the transfer seat 131 to rise. The first drive unit 134 drives the mounting plate 133 to move one end of the transfer seat 131 between a pair of positioning rails 11, positioning the round tube 200 in the first positioning groove 12. The first alignment mechanism 3 performs alignment actions on both ends of the round tube 200. The first detection unit 4 detects whether the two ends of the round tube 200 are reversed. If they are not reversed, the forward conveying continues. If the round tube 200 is reversed, the reversing device 5 is activated, and the first rotary gripper cylinder 53 drives the first gripper 54 to pick up the round tube 200 and move the round tube 200. The tube 200 is rotated 180° and then placed into the first positioning slot 12. After the tube 200 is reversed, it is transported to the first detection module 6 for sequential detection. The first camera 61 detects the total length of the tube 200, the second camera 62 and the third camera 63 detect the inner chamfers at both ends of the tube 200, the fourth camera 64 and the fifth camera 65 detect whether there are defects on the inner wall of the tube 200, and the sixth camera 66 detects the inner diameter of the tube 200. If the tube 200 fails to meet the size requirements after detection, the first unloading device 7 starts working, and the first conveying mechanism 72 will process the defective tube. The product is transported to the waste receiving bin 71. To ensure more accurate subsequent appearance inspection, the second correction mechanism 8 performs a second correction action on the round tube 200 that has passed the inspection by the first inspection module 6. After correction, the rotating module 91 drives the round tube 200 to rotate 360° around the horizontal axis. The line scan camera 92 continuously takes pictures of the circumference and end face of the round tube 200. After the inspection is completed, the second product unloading device 10 picks up the product that does not meet the appearance requirements. The product that meets the appearance requirements is transported to the good product unloading device 20. The second handling mechanism 202 transports the qualified product into the material box, completing the inspection of the round tube 200.

[0029] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A device for inspecting the appearance and dimensions of a round tube, characterized in that: It includes a conveying device, a feeding device disposed at the input end of the conveying device, a first alignment mechanism for aligning both ends of the round tube, a first detection component for detecting whether the two ends of the round tube are reversed, a reversing device for reversing the two ends of the round tube, a first detection module for detecting the appearance and size of the round tube, a first product unloading device, a second alignment mechanism for aligning both ends of the round tube, a second detection module for detecting the appearance of the round tube, a second product unloading device, and a good product unloading device.

2. The circular tube appearance and size inspection device as described in claim 1, characterized in that: The conveying device includes a pair of parallel positioning tracks, each positioning track having a plurality of first positioning slots along its length. A transfer module is disposed between the pair of positioning tracks. The transfer module includes a transfer seat and a lifting drive for driving the transfer seat to perform lifting and lowering actions. A plurality of lifting drive components are disposed and arranged on a mounting plate. The mounting plate is driven by the first drive components to move along the length of the positioning tracks. A plurality of second positioning slots are disposed on the transfer seat.

3. The circular tube appearance and size inspection device as described in claim 1, characterized in that: The feeding device includes a hopper, a pair of first limiting plates disposed inside the hopper, a positioning seat disposed at one end of the hopper, and a feeding component that branches out a single round tube from the hopper and pushes the branched round tube onto the positioning seat. The positioning seat is provided with a pair of second limiting plates and has an avoidance notch.

4. The circular tube appearance and size inspection device as described in claim 1, characterized in that: Both the first and second correction mechanisms include a bracket, a second driving member mounted on the bracket, and a pair of mounting blocks mounted on both sides of the second driving member. Each mounting block is connected to a correction block via a horizontal rod, and each correction block has an anti-scratch component on its opposite inner side.

5. The circular tube appearance and size inspection device as described in claim 1, characterized in that: The reversing device includes a third driving member, a first support plate driven by the third driving member to perform lifting and lowering actions, a first rotary gripper cylinder disposed on the first support plate, and a pair of first grippers connected to the movable end of the first rotary gripper cylinder.

6. The circular tube appearance and size inspection device as described in claim 1, characterized in that: The first detection module includes several cameras, including a first camera for detecting the total length of the circular tube, a second and a third camera for detecting the inner chamfers at both ends of the circular tube, a fourth and a fifth camera for detecting whether there are defects on the inner wall of the circular tube, and a sixth camera for detecting the inner diameter of the circular tube.

7. The circular tube appearance and size inspection device as described in claim 1, characterized in that: Both the first and second product unloading devices include a waste receiving bin located on the side of the conveying device and a first conveying mechanism. The first conveying mechanism includes a fourth driving member, a second support plate driven by the fourth driving member to move perpendicular to the conveying device, a fifth driving member located on the second support plate, a third support plate located on the fifth driving member, a second rotary gripper cylinder located on the third support plate, and a pair of second grippers connected to the movable end of the second rotary gripper cylinder.

8. The circular tube appearance and size inspection device as described in claim 2, characterized in that: The second detection module includes several line scanning cameras, and a rotating module that rotates the circular tube around a horizontal axis is also provided below the line scanning cameras.

9. The circular tube appearance and size inspection device as described in claim 8, characterized in that: The rotating modules are arranged in pairs and located on the front and rear sides of the positioning track. Each rotating module includes a support base, a rotary motor mounted on the support base, a drive shaft driven by the rotary motor to rotate around a horizontal axis, and a first driven shaft and a second driven shaft mounted above the drive shaft. The drive shaft, the first driven shaft, and the second driven shaft are connected by a set of synchronous pulleys for rotational transmission. The first driven shaft and the second driven shaft are arranged parallel to each other and one end extends to the side of the positioning track to support the end of the circular tube.

10. The circular tube appearance and size inspection device as described in claim 2, characterized in that: The good product unloading device includes a storage component and a second conveying mechanism. The storage component includes a sixth driving member, a mounting base that moves vertically along the positioning track driven by the sixth driving member, and a plurality of material boxes positioned on the mounting base. The second conveying mechanism includes a seventh driving member, a fourth support plate that moves along the length direction of the positioning track driven by the seventh driving member, an eighth driving member disposed on the fourth support plate, a fifth support plate that moves up and down driven by the eighth driving member, a ninth driving member disposed on the fifth support plate, and a third gripper that opens or clamps driven by the ninth driving member.

Images