Fabric surface defect extraction device

Abstract

The utility model provides a fabric surface defect extraction device which comprises a main body, a conveying cavity is formed in the main body, a driving shaft is rotationally connected in the conveying cavity, a driving roller is fixedly connected to the outer circle face of the driving shaft, a conveying belt is wound on the outer circle face of the driving roller, and a first baffle, a second baffle and a guide rod are fixedly arranged on the two side faces of the conveying cavity. The conveying belt is slidably connected with the first baffle, the second baffle and the guide rods. According to the scheme, the first baffle plate, the second baffle plate and the guide rod are fixedly arranged on the two side surfaces of the conveying cavity, and the detection surfaces are respectively tensioned and compressed when the conveying belt is positioned in a gap between the first baffle plate and the second baffle plate and a gap between the first baffle plate and the guide rod; therefore, the first lens and the second lens extract the defects of the conveyor belt in different states and compare the defects with the defects extracted conventionally, and the purpose of improving the defect extraction accuracy is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fabric quality inspection equipment, in particular to a device for extracting defects on the surface of fabric. Background Art

[0002] With the development of computer vision, image processing, and artificial intelligence, machine vision-based automatic fabric defect detection technology has rapidly developed. These technologies can automatically capture high-quality images of the fabric surface, extract defect features through image processing algorithms, and automatically identify and classify defects.

[0003] However, traditional fabric surface image acquisition only collects images of the same state of the fabric surface, usually images of the fabric in a naturally relaxed state, so the accuracy of fabric defect identification is low. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the present invention provides a device for extracting defects from a fabric surface, which solves the problems raised in the above-mentioned background technology.

[0006] (2) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fabric surface defect extraction device, characterized in that: it includes a main body, a transmission cavity is opened in the main body, a drive shaft is rotatably connected in the transmission cavity, a transmission roller is fixedly connected to the outer circular surface of the drive shaft, a conveyor belt is wound around the outer circular surface of the transmission roller, a first baffle, a second baffle and a guide rod are fixedly provided on both sides of the transmission cavity, the conveyor belt is slidably connected to the first baffle, the conveyor belt is slidably connected to the second baffle, the conveyor belt is slidably connected to the guide rod, and a number of limit assemblies are provided on both sides of the transmission cavity, and the limit assemblies are used to roll and clamp the conveyor belt.

[0008] Preferably, a surface of the second baffle close to the conveyor belt is an arc surface, a first slot is formed on the arc surface of the second baffle close to the conveyor belt, and a first lens is fixedly disposed in the first slot.

[0009] Preferably, the guide rod is provided with a second slot and two third slots, the second lens is fixedly arranged in the second slot, and the first rolling shaft is rotatably connected in the third slot.

[0010] Preferably, the limiting assembly includes two limiting units, the conveyor belt is arranged between the two limiting units, the limiting unit includes a limiting base, a second rolling shaft and a spring, a fourth slot is provided in the limiting base, one end of the spring is fixedly connected to the limiting base, the other end of the spring is fixedly connected to the first sliding rod, the second rolling shaft is rotatably connected to the first sliding rod, and the first sliding rod is slidably connected to the fourth slot.

[0011] Preferably, the first baffle is an S-shaped metal plate, and the arc surface of the second baffle close to the conveyor belt is adapted to the arc surface of the first baffle close to the second baffle.

[0012] Preferably, the outer circular surface of the guide rod is matched with the arc surface of the first baffle close to the guide rod.

[0013] (3) Beneficial effects

[0014] The utility model provides a device for extracting defects from fabric surfaces. It has the following beneficial effects:

[0015] 1. This solution fixes a first baffle, a second baffle, and a guide rod on both sides of the conveying chamber, and tensions and compresses the detection surface when the conveyor belt is in the gap between the first baffle and the second baffle and the gap between the first baffle and the guide rod, respectively. This allows the first lens and the second lens to extract defects of the conveyor belt in different states and compare them with conventionally extracted defects, thereby achieving the purpose of improving the accuracy of defect extraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a right side structural schematic diagram of the present utility model;

[0018] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure of AA;

[0019] Figure 4 for Figure 3 Schematic diagram of the enlarged structure of B;

[0020] Figure 5 It is a schematic cross-sectional structure diagram of the position limiting component in the present utility model.

[0021] In the figure: 11. Main body; 12. Conveying chamber; 13. Conveyor belt; 14. Driving shaft; 15. Transmission roller; 16. First baffle; 17. Second baffle; 18. First slot; 19. First lens; 20. Guide rod; 21. Second slot; 22. Second lens; 23. Third slot; 24. First rolling shaft; 25. Limiting base; 26. Fourth slot; 27. First sliding rod; 28. Second rolling shaft; 29. Spring. DETAILED DESCRIPTION

[0022] The present invention provides a device for extracting defects from a fabric surface. Figure 1-5 As shown, it includes a main body 11, a conveying chamber 12, a conveyor belt 13, a drive shaft 14, a transmission roller 15, a first baffle 16, a second baffle 17, a first slot 18, a first lens 19, a guide rod 20, a second slot 21, a second lens 22, a third slot 23, a first rolling shaft 24, a limiting base 25, a fourth slot 26, a first sliding rod 27, a second rolling shaft 28, and a spring 29.

[0023] like Figure 1-5 As shown, a conveying chamber 12 is opened in the main body 11, and a driving shaft 14 is rotatably connected in the conveying chamber 12. A transmission roller 15 is fixedly connected to the outer circumferential surface of the driving shaft 14, and a conveyor belt 13 is wound around the outer circumferential surface of the transmission roller 15. A first baffle 16, a second baffle 17 and a guide rod 20 are fixedly provided on both sides of the conveying chamber 12. The conveyor belt 13 is slidably connected to the first baffle 16, the conveyor belt 13 is slidably connected to the second baffle 17, and the conveyor belt 13 is slidably connected to the guide rod 20. A number of limit assemblies are provided on both sides of the conveying chamber 12, and the limit assemblies are used to rollingly clamp the conveyor belt 13.

[0024] The side of the second baffle 17 close to the conveyor belt 13 is an arc surface, and a first slot 18 is provided on the arc surface of the second baffle 17 close to the conveyor belt 13, and a first lens 19 is fixedly installed in the first slot 18. A second slot 21 and two third slots 23 are provided on the guide rod 20, a second lens 22 is fixedly installed in the second slot 21, and a first rolling shaft 24 is rotatably connected in the third slot 23. The first baffle 16 is an S-shaped metal plate, and the arc surface of the second baffle 17 close to the conveyor belt 13 is adapted to the arc surface of the first baffle 16 close to the second baffle 17.

[0025] It is worth noting that the first lens 19 and the second lens 22 are existing technologies, and the driving shaft 14 is externally connected to a driving power supply, which is also existing technology.

[0026] The limiting assembly includes two limiting units, and the conveyor belt 13 is arranged between the two limiting units. The limiting unit includes a limiting base 25, a second rolling shaft 28 and a spring 29. A fourth slot 26 is opened in the limiting base 25. One end of the spring 29 is fixedly connected to the limiting base 25, and the other end of the spring 29 is fixedly connected to the first sliding rod 27. The second rolling shaft 28 is rotatably connected to the first sliding rod 27, and the first sliding rod 27 is slidably connected to the fourth slot 26. The outer cylindrical surface of the guide rod 20 is adapted to the arc surface of the first baffle 16 close to the guide rod 20.

[0027] It is worth noting that the distance between the second rolling axes 28 of the two limiting units is adapted to the thickness of the conveyor belt 13 .

[0028] When this scheme is used to extract defects on the fabric surface, first, one end of the conveyor belt 13 is wound around the outer cylindrical surface of one of the transmission rollers 15, and the other end of the conveyor belt 13 is passed through the gap between the first baffle 16 and the second baffle 17 and the gap between the first baffle 16 and the guide rod 20, and then wound around the outer cylindrical surface of the other transmission roller 15.

[0029] Then, the driving power source drives the driving shaft 14 to rotate in the same direction, and the driving shaft 14 drives the transmission roller 15 to rotate with the driving shaft 14 as the axis core. The transmission roller 15 at one end winds up the conveyor belt 13 to make the conveyor belt 13 move in the horizontal direction. The conveyor belt 13 drives the second rolling shaft 28 to rotate relative to the first sliding rod 27. The part of the conveyor belt 13 located at the first baffle 16 slides along the gap between the second baffle 17 and the first baffle 16 and the gap between the guide rod 20 and the first baffle 16.

[0030] When the conveyor belt 13 slides along the gap between the second baffle 17 and the first baffle 16, the side of the conveyor belt 13 close to the second baffle 17 is tensioned and stretched, and the first lens 19 detects and extracts defects at the tensioned and stretched part of the conveyor belt 13.

[0031] When the conveyor belt 13 slides along the gap between the guide rod 20 and the first baffle 16, the conveyor belt 13 drives the first rolling shaft 24 and the third slot 23 to rotate relative to each other. The side of the conveyor belt 13 close to the guide rod 20 is in a compressed state, and the second lens 22 detects and extracts defects on the conveyor belt 13 in the compressed state.

[0032] Finally, the defects extracted by the first lens 19 and the defects extracted by the second lens 22 are compared with conventionally extracted defects, ie, defects extracted when the conveyor belt 13 is in a relaxed state, so as to obtain a more accurate number and pattern of defects.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for extracting defects from a fabric surface, characterized in that: The invention comprises a main body (11), a transmission cavity (12) is provided in the main body (11), a driving shaft (14) is rotatably connected in the transmission cavity (12), a transmission roller (15) is fixedly connected to the outer circumference of the driving shaft (14), a transmission belt (13) is wound around the outer circumference of the transmission roller (15), a first baffle (16), a second baffle (17) and a guide rod (20) are fixedly provided on both sides of the transmission cavity (12), the transmission belt (13) is slidably connected to the first baffle (16), the transmission belt (13) is slidably connected to the second baffle (17), the transmission belt (13) is slidably connected to the guide rod (20), and a plurality of limiting components are provided on both sides of the transmission cavity (12), and the limiting components are used for rolling and clamping the transmission belt (13).

2. The fabric surface defect extraction device according to claim 1, characterized in that: The side of the second baffle (17) close to the conveyor belt (13) is an arc surface, and a first slot (18) is provided on the arc surface of the second baffle (17) close to the conveyor belt (13), and a first lens (19) is fixedly provided in the first slot (18).

3. The fabric surface defect extraction device according to claim 2, characterized in that: The guide rod (20) is provided with a second slot (21) and two third slots (23); a second lens (22) is fixedly arranged in the second slot (21); and a first rolling shaft (24) is rotatably connected in the third slot (23).

4. The device for extracting defects from a fabric surface according to claim 2, characterized in that: The limiting assembly includes two limiting units, the conveyor belt (13) is arranged between the two limiting units, the limiting unit includes a limiting base (25), a second rolling shaft (28) and a spring (29), a fourth slot (26) is provided in the limiting base (25), one end of the spring (29) is fixedly connected to the limiting base (25), and the other end of the spring (29) is fixedly connected to the first sliding rod (27), the second rolling shaft (28) is rotatably connected to the first sliding rod (27), and the first sliding rod (27) is slidably connected to the fourth slot (26).

5. The device for extracting defects from a fabric surface according to claim 2, characterized in that: The first baffle (16) is an S-shaped metal plate, and the arc surface of the second baffle (17) close to the conveyor belt (13) is adapted to the arc surface of the first baffle (16) close to the second baffle (17).

6. The device for extracting defects from a fabric surface according to claim 3, characterized in that: The outer circular surface of the guide rod (20) is adapted to the arc surface of the first baffle (16) close to the guide rod (20).

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