Automobile wire harness appearance detection system based on machine vision

Abstract

The invention relates to the technical field of automobile part production, and discloses an automobile wire harness appearance detection system based on machine vision, which comprises a fixed plate, the bottom of the fixed plate is fixedly connected with supporting legs, and one side of the fixed plate is provided with a pushing mechanism. According to the automobile wire harness appearance detection system based on machine vision, through arrangement of a secondary detection device, a soft rubber block and a touch detection device, during use, a product can enter a channel through arrangement of a limiting ring, and the product can be detected while entering through arrangement of the channel; through the arrangement of a soft rubber block, the touch sense of the product can be conducted into the touch sense detection device, so that the product is re-detected, and the effects that the product is subjected to secondary detection through the device, a worker does not need to distinguish the product, and the detection quality of the device is high are achieved; the problem that when an existing device detects an unqualified product, a worker needs to recheck and distinguish whether the unqualified product is qualified or not, and consequently the detection quality is low when the device is used is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive parts production, and particularly to an automotive wire harness appearance detection system based on machine vision. Background Art

[0002] An automotive wire harness is the main network of an automotive circuit. Without a wire harness, there would be no automotive circuit. A wire harness refers to a component formed by pressing contact terminals made of copper materials onto electrical wires and cables, and then molding an insulator outside or adding a metal shell, etc., and bundling the wire harness to form a component for connecting circuits. The wire harness industry chain includes electrical wires and cables, connectors, processing equipment, wire harness manufacturing, and downstream application industries. The wire harness is widely used in automobiles, household appliances, computers and communication equipment, various electronic instruments, etc. The body wire harness connects the entire body and generally has an H shape.

[0003] As disclosed in a Chinese patent with the publication number CN207288105U, a conveyor belt type appearance detection device includes a frame, a conveyor belt, a manipulator, a first CCD camera, a second CCD camera, and a controller; the conveyor belt is connected to the upper end of the frame through a tensioning roller, a driving motor is arranged on one side of the conveyor belt, a rotary cylinder is arranged on the upstream side of the conveyor belt, the manipulator is connected to the piston rod of the rotary cylinder through a cross arm, a bracket is arranged on the middle stream side of the conveyor belt, the first CCD camera is located on the side of the bracket facing the conveyor belt, the second CCD camera is located on the lower end face of the upper part of the bracket, a distance sensor is arranged on the upper part of the bracket, and a touch display screen is also arranged on the frame. The conveyor belt type appearance detection device of the present invention can detect the appearance of products, has a relatively high degree of automation as a whole, and has the ability of automatic sorting.

[0004] In the prior art, when the common existing automotive wire harness appearance detection system based on machine vision is in use, when the existing equipment detects unqualified products, it requires staff to review and distinguish whether they are qualified, resulting in low detection quality during the use of the equipment. Moreover, the existing pushing device has a fixed height during use and cannot adapt to the heights of different products, resulting in poor applicability of the equipment. In addition, there are many manual operations in the existing equipment during use, making it impossible to accurately count the number of products, thereby increasing the customer complaint rate. Summary of the Invention

[0005] The purpose of the present invention is to solve the deficiencies existing in the prior art, and to propose an automotive wire harness appearance detection system based on machine vision, which has the advantages that the equipment can perform secondary detection on products through a device, without the need for staff to distinguish, resulting in relatively high detection quality of the equipment; the equipment can adjust the pushing device, resulting in relatively high applicability of the equipment; and there are few manual operations in the equipment process, the number of products can be accurate, which is convenient for packaging and thus reduces the customer complaint rate.

[0006] To solve the above technical problems, an embodiment of the present invention provides an automotive wire harness appearance detection system based on machine vision, and specifically adopts the following technical solutions:

[0007] An automotive wire harness appearance detection system based on machine vision, comprising: a fixing plate, a supporting leg is fixedly connected to the bottom of the fixing plate, a pushing mechanism is arranged on one side of the fixing plate, and a packing mechanism is arranged on one side of the pushing mechanism;

[0008] The pushing mechanism, the pushing mechanism includes a telescopic tube, a telescopic rod, a moving block and a movable plate;

[0009] The packing mechanism, the packing mechanism includes a rotating disk, a receiving groove, a packing box and a chassis;

[0010] The collecting mechanism, the collecting mechanism includes a collecting frame, a feeding groove, a slope and a discharging groove.

[0011] As a preferred improvement of an automotive wire harness appearance detection system based on machine vision provided by the present invention, further, a working motor is fixedly connected to the side surface of the fixing plate, an output shaft of the working motor extends through the side surface of the fixing plate and is fixedly connected to a transmission roller, a transmission belt is movably connected to the surface of the transmission roller, a control device is arranged on the side surface of the fixing plate, a detection camera is arranged above the transmission belt, a top of the detection camera is fixedly connected to a bottom of one end of the control device, a display screen is fixedly installed on a side surface of the control device, a driver is arranged on one side of the control device, a side surface of the driver is fixedly connected to a side surface of the telescopic tube, one end of the telescopic rod is movably connected to a surface of an inner wall of the telescopic tube, a side surface of the moving block is fixedly connected to a side surface of one end of the telescopic rod, a limiting rubber is fixedly connected to the side surface of the moving block, a side surface of the moving block is movably connected to a side surface of the movable plate, a fixing block is fixedly connected to one side of the movable plate, a semi-circular groove is formed in a side surface of the fixing block, and a surface of the limiting rubber is engaged with a side surface of an inner wall of the semi-circular groove.

[0012] As a preferred improvement of an automotive wire harness appearance detection system based on machine vision provided by the present invention, further, the collecting frame is arranged on one side of the fixing plate, the feeding groove is formed in a top of the collecting frame, the slope is arranged at a bottom of an inner wall of the collecting frame, and the discharging groove is formed in a side surface of the collecting frame.

[0013] As a preferred improvement of a machine vision-based automotive wire harness appearance detection system provided by the present invention, further, the rotating disk is disposed on one side of the fixed plate, the receiving groove is opened on the upper surface of the rotating disk, a square groove is opened on the side surface of the inner wall of the receiving groove, the bottom of the inner wall of the receiving groove is movably connected to the bottom of the packing box, the bottom of the rotating disk is fixedly connected with a rotating roller, the chassis is disposed below the rotating disk, a connecting groove is opened on the upper surface of the chassis, and the surface of the rotating roller is movably connected to the surface of the inner wall of the connecting groove.

[0014] As a preferred improvement of a machine vision-based automotive wire harness appearance detection system provided by the present invention, further, the number of the receiving grooves is three, and the bottoms of the inner walls of the three receiving grooves are all movably connected to the bottom of the packing box.

[0015] As a preferred improvement of a machine vision-based automotive wire harness appearance detection system provided by the present invention, further, the side surface of the moving block is movably connected to the side surface of the movable plate, the two side surfaces of the moving block are movably connected to the side surfaces of the fixed blocks, and the surface of the limiting rubber is movably connected to the side surface of the inner wall of the semi-circular groove.

[0016] As a preferred improvement of a machine vision-based automotive wire harness appearance detection system provided by the present invention, further, the number of the telescopic tubes and the telescopic rods is two, and the two telescopic tubes and the telescopic rods are symmetrically arranged with respect to the central vertical plane of the driver.

[0017] As a preferred improvement of a machine vision-based automotive wire harness appearance detection system provided by the present invention, further, a secondary detection device is disposed on one side of the detection camera, a cavity is opened inside the secondary detection device, a limiting ring is disposed on one side of the secondary detection device, a channel is disposed at one end of the limiting ring, a soft rubber block is fixedly connected to the side surface of the inner wall of the channel, and a tactile detection device is fixedly connected to the upper surface of the soft rubber block.

[0018] The present invention has the following beneficial effects:

[0019] 1. In the present invention, through the provision of the secondary detection device, cavity, limiting ring, channel, soft rubber block, and tactile detection device, during use, the internal devices of the secondary detection device can be installed through the provision of the cavity. The product can enter the interior of the channel through the provision of the limiting ring. The product can enter and be detected simultaneously through the provision of the channel. The tactile sensation of the product can be transmitted into the tactile detection device through the provision of the soft rubber block, thereby performing a re-inspection on the product. It achieves the effect that the device performs secondary detection on the product through the devices, eliminating the need for staff to distinguish, resulting in a relatively high detection quality of the device, and solving the problem that when the existing device detects unqualified products, it requires staff to review and distinguish whether they are qualified, leading to a low detection quality during the use of the device.

[0020] 2. In the present invention, through the provision of the driver, telescopic tube, telescopic rod, moving block, limiting rubber, movable plate, fixed block, and semi-circular groove, during use, the driver drives the telescopic tube and the telescopic rod to extend. The limiting rubber can be fixed through the provision of the moving block. The product can be pushed out of the conveyor belt through the provision of the movable plate. The semi-circular groove can be opened through the provision of the fixed block. The limiting rubber can limit and adjust the height of the fixed block and the movable plate through the provision of the semi-circular groove, thereby adapting to the height of the product. It achieves the effect that the device can adjust the pushing device, resulting in a relatively high applicability of the device, and solving the problem that the existing pushing device has a fixed height during use and cannot adapt to the heights of different products, leading to a poor applicability of the device.

[0021] 3. In the present invention, through the provision of the rotating disk, receiving groove, square groove, packing box, rotating roller, chassis, and connecting groove, during use, the connecting groove can be opened through the provision of the chassis. The rotating roller can be installed through the provision of the connecting groove. The rotating disk can rotate through the provision of the rotating roller. The packing box can be placed through the provision of the receiving groove. The packing box can be conveniently packed through the provision of the square groove. By the staff counting the products entering the packing box, it achieves the effect that the device process requires less manual labor, the quantity of products can be accurate, and it is convenient for packing, thereby reducing the customer complaint rate, and solving the problem that there is a large amount of manual labor in the existing device process, making the quantity of products inaccurate, thus increasing the customer complaint rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0023] Figure 1 It is a top view structural schematic diagram of a machine vision-based automotive wire harness appearance detection system proposed by the present invention;

[0024] Figure 2 An appearance detection system for automotive wire harnesses based on machine vision proposed by the present invention Figure 1 Rear view schematic diagram of the structure;

[0025] Figure 3 An appearance detection system for automotive wire harnesses based on machine vision proposed by the present invention Figure 1 Exploded enlarged schematic diagram of the structure of the movable block in it;

[0026] Figure 4 An appearance detection system for automotive wire harnesses based on machine vision proposed by the present invention Figure 1 Exploded enlarged schematic diagram of the structure of the rotating disk in it;

[0027] Figure 5 An appearance detection system for automotive wire harnesses based on machine vision proposed by the present invention Figure 1 Left view sectional schematic diagram of the structure of the collection box in it;

[0028] Figure 6 An appearance detection system for automotive wire harnesses based on machine vision proposed by the present invention Figure 1 Bottom view schematic diagram of the structure in the secondary detection device;

[0029] Figure 7 An appearance detection system for automotive wire harnesses based on machine vision proposed by the present invention Figure 1 Right view sectional schematic diagram of the structure of the secondary detection device in it.

[0030] Legend description:

[0031] 1. Fixed plate; 2. Support leg; 3. Transmission belt; 4. Working motor; 5. Control device; 6. Detection camera; 7. Display screen; 8. Driver; 9. Telescopic tube; 10. Telescopic rod; 11. Moving block; 12. Limiting rubber; 13. Movable plate; 14. Fixed block; 15. Semi-circular groove; 16. Collection box; 17. Feeding groove; 18. Slope; 19. Discharge groove; 20. Rotating disk; 21. Accommodating groove; 22. Square groove; 23. Packing box; 24. Rotating roller; 25. Chassis; 26. Connecting groove; 27. Secondary detection device; 28. Cavity; 29. Limiting ring; 30. Channel; 31. Soft rubber block; 32. Tactile detection device. Specific implementation manner

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this invention belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The mention of "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present invention. The phrase does not necessarily refer to the same embodiment at various positions in the specification, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0033] Please refer to Figure 1-7 , an appearance detection system for automotive wire harnesses based on machine vision, comprising: a fixing plate 1, a support leg 2 fixedly connected to the bottom of the fixing plate 1, a pushing mechanism arranged on one side of the fixing plate 1, and a packing mechanism arranged on one side of the pushing mechanism;

[0034] The pushing mechanism includes a telescopic tube 9, a telescopic rod 10, a moving block 11, and a movable plate 13;

[0035] The packing mechanism includes a rotating disk 20, a receiving groove 21, a packing box 23, and a chassis 25;

[0036] The collecting mechanism includes a collecting frame 16, a feeding groove 17, a slope 18, and a discharging groove 19.

[0037] Among them; a working motor 4 is fixedly connected to the side of the fixed plate 1. The transmission belt 3 is driven to move by the working motor 4 so that the product can move. The output shaft of the working motor 4 extends through the side of the fixed plate 1 and is fixedly connected to a transmission roller. The surface of the transmission roller is movably connected to the transmission belt 3. A control device 5 is arranged on the side of the fixed plate 1. The detection camera 6 is driven by the control device 5 to perform appearance detection on the product on the transmission belt 3. A detection camera 6 is arranged above the transmission belt 3. The detection camera 6 detects the product. The top of the detection camera 6 is fixedly connected to the bottom of one end of the control device 5. A display screen 7 is fixedly installed on the side of the control device 5. The staff can observe through the display screen 7. A driver 8 is arranged on one side of the control device 5. The staff can observe through the display screen 77. When the detection camera 6 detects a non-conforming product, the driver 8 drives the telescopic tube 9 and the telescopic rod 10 to push the product into the collection box 16. The side of the driver 8 is fixedly connected to the side of the telescopic tube 9. The telescopic tube 9 and the telescopic rod 10 are driven by the driver 8 to extend. One end of the telescopic rod 10 is movably connected to the inner wall surface of the telescopic tube 9. The side of the moving block 11 is fixedly connected to the side of one end of the telescopic rod 10. The setting of the moving block 11 enables the limiting rubber 12 to be fixed. The side of the moving block 11 is fixedly connected to the limiting rubber 12. The side of the moving block 11 is movably connected to the side of the movable plate 13. One side of the movable plate 13 is fixedly connected to a fixed block 14. The setting of the fixed block 14 enables the semi-circular groove 15 to be opened. The setting of the movable plate 13 enables the product to be pushed out of the transmission belt 3. The side of the fixed block 14 is provided with a semi-circular groove 15. The setting of the semi-circular groove 15 enables the limiting rubber 12 to limit the fixed block 14 and the movable plate 13 and adjust the height, so as to adapt to the height of the product. The surface of the limiting rubber 12 meshes with the inner wall side of the semi-circular groove 15.

[0038] Among them; the collection box 16 is arranged on one side of the fixed plate 1. The feeding groove 17 is opened at the top of the collection box 16. The slope 18 is arranged at the bottom of the inner wall of the collection box 16. The discharge groove 19 is opened on the side of the collection box 16. The non-conforming products can be taken out through the setting of the slope 18 and the discharge groove 19.

[0039] Among them; through the settings of the secondary detection device 27, the cavity 28, the limiting ring 29, the channel 30, the soft rubber block 31 and the tactile detection device 32, during use, due to the setting of the cavity 28, the internal devices of the secondary detection device 27 can be installed. Due to the setting of the limiting ring 29, the product can enter the inside of the channel 30. Due to the setting of the channel 30, the product can enter and be detected simultaneously. Due to the setting of the soft rubber block 31, the touch of the product can be conducted into the tactile detection device 32, so as to conduct a re-inspection of the product, achieving the effect that the equipment conducts a secondary detection of the product through the device without the need for staff to distinguish, resulting in a relatively high detection quality of the equipment, and solving the problem that when the existing equipment detects unqualified products, it requires staff to review and distinguish whether they are qualified, leading to a low detection quality of the equipment during use.

[0040] Among them; the rotating disk 20 is arranged on one side of the fixed plate 1, and the receiving groove 21 is opened on the upper surface of the rotating disk 20. Due to the setting of the receiving groove 21, the packing box 23 can be placed. A square groove 22 is opened on the side surface of the inner wall of the receiving groove 21. Due to the setting of the square groove 22, the packing box 23 can be conveniently packed. The bottom of the inner wall of the receiving groove 21 is movably connected to the bottom of the packing box 23. A rotating roller 24 is fixedly connected to the bottom of the rotating disk 20. Due to the setting of the rotating roller 24, the rotating disk 20 can rotate. Due to the setting of the connecting groove 26, the rotating roller 24 can be installed. The chassis 25 is arranged below the rotating disk 20, and a connecting groove 26 is opened on the upper surface of the chassis 25. Due to the setting of the chassis 25, the connecting groove 26 can be opened. The surface of the rotating roller 24 is movably connected to the surface of the inner wall of the connecting groove 26.

[0041] Among them; the number of the receiving grooves 21 is three, and the bottoms of the inner walls of the three receiving grooves 21 are all movably connected to the bottom of the packing box 23.

[0042] Among them; through the settings of the driver 8, the telescopic tube 9, the telescopic rod 10, the moving block 11, the limiting rubber 12, the movable plate 13, the fixed block 14 and the semi-circular groove 15, during use, the driver 8 drives the telescopic tube 9 and the telescopic rod 10 to extend. Due to the setting of the moving block 11, the limiting rubber 12 can be fixed. Due to the setting of the movable plate 13, the product can be pushed out of the conveyor belt 3. Due to the setting of the fixed block 14, the semi-circular groove 15 can be opened. Due to the setting of the semi-circular groove 15, the limiting rubber 12 can limit the fixed block 14 and the movable plate 13 and adjust the height, so as to adapt to the height of the product, achieving the effect that the equipment can adjust the pushing equipment, resulting in a relatively high applicability of the equipment, and solving the problem that the existing pushing device has a fixed height during use and cannot adapt to the heights of different products, leading to a poor applicability of the equipment.

[0043] Wherein, the side surface of the moving block 11 is movably connected to the side surface of the movable plate 13, the two side surfaces of the moving block 11 are movably connected to the side surfaces of the fixed blocks 14, and the surface of the limiting rubber 12 is movably connected to the side surface of the inner wall of the semi-circular groove 15.

[0044] Wherein, there are two telescopic tubes 9 and telescopic rods 10, and the two telescopic tubes 9 and telescopic rods 10 are symmetrically arranged with respect to the central vertical plane of the driver 8.

[0045] Wherein, a secondary detection device 27 is arranged on one side of the detection camera 6. Through the arrangement of the secondary detection device 27, the product can be subjected to secondary detection. A cavity 28 is formed inside the secondary detection device 27. Through the arrangement of the cavity 28, the internal devices can be installed. A limiting ring 29 is arranged on one side of the secondary detection device 27. Through the arrangement of the limiting ring 29, the product can enter the channel 30. A channel 30 is arranged at one end of the limiting ring 29. Through the arrangement of the channel 30, the product can pass through. A soft rubber block 31 is fixedly connected to the side surface of the inner wall of the channel 30. Through the arrangement of the soft rubber block 31, the surface of the product can be conducted to the tactile detection device 32 through the soft rubber block 31. The tactile detection device 32 is fixedly connected to the upper surface of the soft rubber block 31. Through the arrangement of the tactile detection device 32, the product is subjected to secondary detection.

[0046] In summary, the complete working process and operating principle of the present invention are as follows: When in use, the working motor 4 drives the conveyor belt 3 to rotate, thereby moving the product. The control device 5 is used to control the detection camera 6 to perform detection. The product enters the limiting ring 29 and passes through the channel 30. The tactile detection device 32 performs secondary detection on the surface of the product through the soft rubber block 31, thereby improving the detection accuracy. The staff can observe through the display screen 7. When the detection camera 6 detects a defective product, the driver 8 drives the telescopic rod 10 to expand and contract, thereby pushing out the movable plate 13, so that the defective product can be pushed out of the conveyor belt 3 and fall into the collection box 16, and is discharged through the slope 18 and the discharge chute 19. The qualified products fall into the packing box 23 through the conveyor belt 3. The staff counts the products. After reaching the required quantity, the staff rotates the rotating disk 20, so that the empty packing box 23 can be rotated under the conveyor belt 3, so that the full packing box 23 can be packed.

[0047] In the present invention, unless otherwise clearly defined or limited, terms such as "installed", "connected", "joined", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or capable of communicating with each other; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] Obviously, the embodiments described above are only a part of the embodiments of the present invention, rather than all of them. The preferred embodiments of the present invention are shown in the drawings, but do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements for some of the technical features. Any equivalent structure directly or indirectly using the content of the specification and drawings of the present invention in other related technical fields shall be similarly within the scope of the patent protection of the present invention.

Claims

1. An appearance detection system for automotive wire harnesses based on machine vision, comprising: Fixed plate (1), characterized in that a support leg (2) is fixedly connected to the bottom of the fixed plate (1), a pushing mechanism is arranged on one side of the fixed plate (1), and a packing mechanism is arranged on one side of the pushing mechanism; Pushing mechanism, the pushing mechanism includes a telescopic tube (9), a telescopic rod (10), a moving block (11) and a movable plate (13); Packing mechanism, the packing mechanism includes a rotating disk (20), a receiving groove (21), a packing box (23) and a chassis (25); Collection mechanism, the collection mechanism includes a collection frame (16), a feeding groove (17), a slope (18) and a discharging groove (19).

2. The appearance detection system for automotive wire harnesses based on machine vision according to claim 1, characterized in that: A working motor (4) is fixedly connected to the side surface of the fixed plate (1), the output shaft of the working motor (4) extends through the side surface of the fixed plate (1) and is fixedly connected with a transmission roller, the surface of the transmission roller is movably connected with a transmission belt (3), a control device (5) is arranged on the side surface of the fixed plate (1), a detection camera (6) is arranged above the transmission belt (3), the top of the detection camera (6) is fixedly connected to the bottom of one end of the control device (5), a display screen (7) is fixedly installed on the side surface of the control device (5), a driver (8) is arranged on one side of the control device (5), the side surface of the driver (8) is fixedly connected to the side surface of the telescopic tube (9), one end of the telescopic rod (10) is movably connected to the inner surface of the telescopic tube (9), the side surface of the moving block (11) is fixedly connected to the side surface of one end of the telescopic rod (10), a limiting rubber (12) is fixedly connected to the side surface of the moving block (11), the side surface of the moving block (11) is movably connected to the side surface of the movable plate (13), a fixed block (14) is fixedly connected to one side of the movable plate (13), a semi-circular groove (15) is opened on the side surface of the fixed block (14), and the surface of the limiting rubber (12) is engaged with the inner side surface of the semi-circular groove (15).

3. The appearance detection system of an automotive wiring harness based on machine vision according to claim 1, wherein: The collection frame (16) is arranged on one side of the fixed plate (1), the feeding groove (17) is opened at the top of the collection frame (16), the slope (18) is arranged at the bottom of the inner wall of the collection frame (16), and the discharging groove (19) is opened on the side surface of the collection frame (16).

4. The appearance detection system for automotive wiring harness based on machine vision according to claim 1, wherein: The rotating disk (20) is arranged on one side of the fixed plate (1), the receiving groove (21) is opened on the upper surface of the rotating disk (20), a square groove (22) is opened on the inner side surface of the receiving groove (21), the bottom of the inner wall of the receiving groove (21) is movably connected to the bottom of the packing box (23), a rotating roller (24) is fixedly connected to the bottom of the rotating disk (20), the chassis (25) is arranged below the rotating disk (20), a connecting groove (26) is opened on the upper surface of the chassis (25), and the surface of the rotating roller (24) is movably connected to the inner surface of the connecting groove (26).

5. The appearance detection system for automotive wiring harness based on machine vision according to claim 4, characterized in that: The number of the receiving grooves (21) is three, and the bottoms of the inner walls of the three receiving grooves (21) are all movably connected to the bottom of the packing box (23).

6. The appearance detection system of an automotive wiring harness based on machine vision according to claim 2, wherein: The side surface of the moving block (11) is movably connected to the side surface of the movable plate (13), the two side surfaces of the moving block (11) are movably connected to the side surfaces of the fixed block (14), and the surface of the limiting rubber (12) is movably connected to the side surface of the inner wall of the semi-circular groove (15).

7. The appearance detection system of an automotive wire harness based on machine vision according to claim 2, characterized in that: There are two telescopic tubes (9) and telescopic rods (10), and the two telescopic tubes (9) and telescopic rods (10) are symmetrically arranged with respect to the central vertical plane of the driver (8).

8. The appearance detection system for automotive wire harnesses based on machine vision according to claim 2, characterized in that: A secondary detection device (27) is arranged on one side of the detection camera (6). A cavity (28) is formed inside the secondary detection device (27). A limiting ring (29) is arranged on one side of the secondary detection device (27). A channel (30) is arranged at one end of the limiting ring (29). A soft rubber block (31) is fixedly connected to the side surface of the inner wall of the channel (30). A tactile detection device (32) is fixedly connected to the upper surface of the soft rubber block (31).

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