Cable surface defect detection equipment

Abstract

The utility model discloses cable surface defect detection equipment, and particularly relates to the technical field of cable detection, the cable surface defect detection equipment comprises an annular positioning ring and a plurality of CCD (charge coupled device) cameras positioned on one side of the positioning ring, a detected cable penetrates through the CCD cameras and the inner side of the positioning ring, an annular track ring is arranged on one side of the positioning ring close to the CCD cameras, and the CCD cameras are arranged on the track ring. The track ring is sleeved with a plurality of base sleeves, a pedestal is arranged on the outer wall, away from the positioning ring, of each base sleeve, a lifting part is installed on the surface of each pedestal, each CCD camera is connected with the corresponding lifting part, each CCD camera ascends and descends on the corresponding pedestal through the corresponding lifting part, a driving part is installed on the end face of the corresponding pedestal, and the driving parts drive the base sleeves and the CCD cameras to move along the path of the track ring. According to the utility model, the CCD camera with adjustable height and rotation angle is adapted to cables with different diameters, the detection range limitation of the traditional fixed camera is broken through, the 360-degree dead-angle-free detection of the surface is realized, and the defect identification rate is improved in combination with rotary scanning.

Description

Technical Field

[0001] This utility model relates to the field of cable testing technology, and more specifically, to a cable surface defect detection device. Background Technology

[0002] Currently, cables consist of single or multiple strands of conductors and insulation layers, and are used to connect circuits, electrical appliances, etc. After the cable is produced, its outer surface needs to be inspected to detect defects such as pits, exposed wires, peeling and scratches that are likely to occur on the surface after production.

[0003] A finished cable appearance inspection device (publication number: CN208013105U) is disclosed. In this patent, four machine vision sensors are evenly arranged on a support frame to achieve all-round detection of cable appearance defects when the cable passes through. However, the four machine vision sensors are fixedly installed in the support frame. If the diameter of the cable is large or small, the detection area and clarity of the four machine vision sensors will be affected, thus affecting the detection results. Therefore, we propose a cable inspection device. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a cable surface defect detection device, including a circular positioning ring and several CCD cameras located on one side of the positioning ring. The cable to be detected passes through the CCD cameras and the inside of the positioning ring. A circular track ring is provided on the side of the positioning ring near the CCD cameras. Several base sleeves are sleeved on the outside of the track ring. A platform is provided on the outer wall of the base sleeves away from the positioning ring. A lifting component is installed on the surface of the platform. The CCD cameras are connected to the lifting component and move up and down on the platform through the lifting component. A driving component is installed on the end face of the platform, and the driving component drives the base sleeves and CCD cameras to move along the track ring path.

[0005] In a preferred embodiment, the positioning ring and the track ring are connected by several couplings, and the base sleeve has a slot on the side facing the positioning ring for the couplings to pass through.

[0006] In a preferred embodiment, a recessed limiting groove is provided on the outer wall of the track ring, and a limiting piece is installed on the inner wall of the base sleeve and inserted into the limiting groove.

[0007] In a preferred embodiment, the lifting component includes a first servo motor mounted on the surface of the base and a threaded tube mounted on the end of the CCD camera. A rotating threaded rod is inserted into the threaded tube, and the other end of the threaded rod is connected to the output shaft of the first servo motor.

[0008] In a preferred embodiment, at least two limiting rods are provided on the outer side of the threaded tube, with one end of the limiting rod fixed to the end face of the CCD camera and the other end passing through the pedestal.

[0009] In a preferred embodiment, a fixing rod is connected between the base sleeve and the platform, and the driving component includes a connecting rod fixed to the surface of the platform. A second servo motor located on one side of the base sleeve is installed at the other end of the connecting rod, and a gear is connected to the end of the output shaft of the second servo motor.

[0010] In a preferred embodiment, a transmission groove is formed on the outer wall of the track ring, and teeth are installed in the transmission groove. A connecting groove for the gear to pass through is formed on the base sleeve, and the gear meshes with the teeth through the connecting groove.

[0011] In a preferred embodiment, a bracket is mounted on the bottom of the positioning ring, and a connecting plate is mounted on the bottom of the bracket.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] This invention utilizes a CCD camera with adjustable height and rotation angle to adapt to cables of different diameters, breaking through the limitations of traditional fixed camera detection range and achieving 360° surface inspection without blind spots. Combined with rotation scanning, it improves the defect recognition rate. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the present invention from another angle;

[0016] Figure 3 This is a schematic diagram of the base sleeve portion of this utility model.

[0017] Explanation of reference numerals in the attached drawings: 1. Positioning ring; 2. CCD camera; 3. Track ring; 4. Base sleeve; 5. Base; 6. Connecting shaft; 7. Slot; 8. Limiting slot; 9. Limiting piece; 10. Threaded tube; 11. First servo motor; 12. Threaded rod; 13. Limiting rod; 14. Fixing rod; 15. Connecting rod; 16. Gear; 17. Transmission slot; 18. Connecting slot; 19. Second servo motor; 20. Tooth. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0019] like Figure 1-3 The cable surface defect detection device shown includes a circular positioning ring 1 and several CCD cameras 2 located on one side of the positioning ring 1. The cable to be detected passes through the CCD cameras 2 and the inside of the positioning ring 1. A circular track ring 3 is provided on the side of the positioning ring 1 near the CCD cameras 2. Several base sleeves 4 are sleeved on the outside of the track ring 3. A platform 5 is provided on the outer wall of the base sleeves 4 away from the positioning ring 1. A lifting component is installed on the surface of the platform 5. The CCD cameras 2 are connected to the lifting component and move up and down on the platform 5 through the lifting component. A driving component is installed on the end face of the platform 5. The driving component drives the base sleeves 4 and the CCD cameras 2 to move along the path of the track ring 3. A bracket is installed at the bottom of the positioning ring 1, and a connecting plate is installed at the bottom of the bracket.

[0020] Based on the above, during operation, the cable being inspected passes between several CCD cameras 2. The CCD cameras 2 inspect the surface area of ​​the cable. The lifting mechanism moves the CCD cameras 2 on the platform 5, changing the distance between the CCD cameras 2 and the cable surface. The driving mechanism moves the base sleeve 4 circumferentially along the track ring 3, causing the CCD cameras to rotate around the cable, achieving 360° surface inspection without blind spots.

[0021] Furthermore, the multi-CCD camera 2 works in concert, combining dynamic focusing and rotational scanning to improve the defect recognition rate.

[0022] The positioning ring 1 and the track ring 3 are connected by several connecting shafts 6, and the base sleeve 4 has a slot 7 on the side facing the positioning ring 1 for the connecting shafts 6 to pass through.

[0023] The track ring 3 is fixedly installed on one side of the positioning ring 1 via the connecting rod 15. The slot 7 on the base sleeve 4 ensures that the base sleeve 4 will not conflict with the connecting shaft 6 during the movement along the axis of the track ring 3.

[0024] The outer wall of the track ring 3 is provided with a recessed limiting groove 8, and the inner wall of the base sleeve 4 is provided with a limiting piece 9 that is inserted into the limiting groove 8.

[0025] Furthermore, in order to improve the stability of the base sleeve 4 during its circumferential movement along the track ring 3, a limiting piece 9 is inserted into the limiting groove 8 of the track ring 3 inside the base sleeve 4. This improves the stability of the base sleeve 4 during its movement, thereby reducing the vibration amplitude of the platform 5 and CCD camera 2 during their movement and improving the detection clarity.

[0026] The lifting component includes a first servo motor 11 mounted on the surface of the base 5 and a threaded tube 10 mounted on the end of the CCD camera 2. A rotating threaded rod 12 is inserted into the threaded tube 10, and the other end of the threaded rod 12 is connected to the output shaft of the first servo motor 11.

[0027] At least two limiting rods 13 are provided on the outside of the threaded tube 10. One end of the limiting rod 13 is fixed to the end face of the CCD camera 2 and the other end passes through the stage 5.

[0028] Based on the above, the first servo motor 11 in the lifting component drives the threaded rod 12 to rotate, which in turn drives the threaded tube 10 and the CCD camera to move vertically along the limiting rod 13, adjusting the distance between the CCD camera and the cable surface to accommodate cables of different diameters.

[0029] A fixing rod 14 is connected between the base sleeve 4 and the platform 5. The driving component includes a connecting rod 15 fixed to the surface of the platform 5. A second servo motor 19 located on one side of the base sleeve 4 is installed at the other end of the connecting rod 15. A gear 16 is connected to the end of the output shaft of the second servo motor 19.

[0030] A transmission groove 17 is formed on the outer wall of the track ring 3, and a tooth 20 is installed in the transmission groove 17. A connecting groove 18 is formed on the base sleeve 4 for the gear 16 to pass through, and the gear 16 meshes with the tooth 20 through the connecting groove 18.

[0031] Based on the above, the second servo motor 19 of the drive unit meshes with the teeth 20 of the track ring 3 through the gear 16, driving the base sleeve 4 to move circumferentially along the track ring 3, so that the CCD camera rotates around the cable, realizing 360° surface detection without dead angles. Combined with rotation scanning, the defect recognition rate is improved.

[0032] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A cable surface defect detection apparatus characterized by comprising: The positioning ring is circular, and a plurality of CCD cameras are located on one side of the positioning ring; the cable to be detected passes through the plurality of CCD cameras and the inside of the positioning ring; a circular track ring is arranged on the side of the positioning ring close to the CCD cameras; a plurality of base sleeves are arranged outside the track ring; a pedestal is arranged on the outer wall of the base sleeve away from the positioning ring; a lifting piece is mounted on the surface of the pedestal; the CCD camera is connected with the lifting piece; the CCD camera moves up and down on the pedestal through the lifting piece; a driving piece is mounted on the end surface of the pedestal; the driving piece drives the base sleeve and the CCD camera to move along the track ring.

2. The cable surface defect detection apparatus according to claim 1, characterized by: A plurality of connecting shafts are connected between the positioning ring and the track ring; the side of the base sleeve facing the positioning ring is provided with a slot for the connecting shafts to pass through.

3. The cable surface defect detection apparatus of claim 2, wherein: A recessed limiting groove is arranged on the outer wall of the track ring; a limiting piece is mounted on the inner wall of the base sleeve and inserted into the limiting groove.

4. The cable surface defect detection apparatus of claim 1, wherein: The lifting piece comprises a first servo motor mounted on the surface of the pedestal and a threaded tube mounted on the end of the CCD camera; a rotating threaded rod is inserted into the threaded tube; the other end of the threaded rod is connected with the output shaft of the first servo motor.

5. A cable surface defect detection apparatus according to claim 4, wherein: At least two limiting rods are arranged outside the threaded tube; one end of the limiting rod is fixed on the end surface of the CCD camera, and the other end of the limiting rod penetrates through the pedestal.

6. The cable surface defect detection apparatus of claim 1, wherein: A fixing rod is connected between the base sleeve and the pedestal; the driving piece comprises a connecting rod fixed on the surface of the pedestal; the other end of the connecting rod is provided with a second servo motor located on one side of the base sleeve; the output shaft end of the second servo motor is connected with a gear.

7. A cable surface defect detection apparatus according to claim 6, wherein: A transmission groove is arranged on the outer wall of the track ring; a tooth is mounted in the transmission groove; a coupling groove is arranged on the base sleeve for the gear to pass through; the gear is engaged with the tooth through the coupling groove.

8. The cable surface defect detection apparatus of claim 1, wherein: A support is mounted on the bottom of the positioning ring; a connecting plate is mounted on the bottom of the support.

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