Printing and dyeing cloth cleanliness detection device based on visual detection

Abstract

The invention discloses a printed and dyed cloth cleanliness detection device based on visual inspection, which comprises a frame, the upper end of the frame is fixedly connected with a plurality of supports for supporting, the inner side walls of the plurality of supports are all clamped with screw rods for adjustment, the interiors of the plurality of supports are all clamped with carrier plates for positioning, and the carrier plates are arranged on the upper end of the frame. The outer surface of the lead screw is in threaded connection with the inner wall of the carrying plate, and the lower end of the carrying plate is detachably connected with a high-definition camera. According to the printing and dyeing cloth cleanliness detection device based on visual detection, through cooperative arrangement of the frame, the multiple supports, the motor, the lead screw, the carrier plate and the high-definition cameras, a worker can drive the lead screw to rotate by starting the motor, so that the carrier plate is driven to transversely move, and then the positions of the multiple high-definition cameras on the lead screw are conveniently adjusted; therefore, the plurality of high-definition cameras can be flexibly aligned with any area of the cloth, and the visual field range of the high-definition cameras is further expanded.

Description

Technical Field

[0001] The present invention relates to the technical field of cleanliness detection, and particularly to a cleanliness detection device for printed and dyed fabrics based on visual detection. Background Art

[0002] As an important part of the textile industry, the product quality and production efficiency of the printing and dyeing industry are of great significance to the development of the entire industrial chain. During the production process of printed and dyed fabrics, due to the complex process and numerous links, various defects are inevitable, such as stains, mosquitoes, broken warp, broken weft, holes, etc. These defects not only affect the beauty and quality of the fabrics but also reduce the market competitiveness of the products. Therefore, the cleanliness detection of printed and dyed fabrics is an important link to ensure product quality. Compared with the traditional manual detection method, the visual detection device has higher detection efficiency and accuracy, is not affected by human subjective factors, and can ensure the stability and reliability of the detection results. With the development of intelligent manufacturing, the textile printing and dyeing industry is gradually realizing intelligent and automated production. As an important part of intelligent production, the visual detection device can be seamlessly connected with other intelligent devices to achieve automated control of the production process, which not only improves production efficiency but also reduces the technical dependence on operators, helping enterprises achieve energy conservation, emission reduction, and green manufacturing.

[0003] Chinese Patent Publication No. CN116660395A discloses a device for detecting the dye concentration of printed and dyed fabrics, which includes a detector, a column oven, an automatic sampler, a quaternary pump, a vacuum degasser, and a solvent bottle cabinet; a column oven is fixed on the top of the detector, an automatic sampler is fixed on the top of the column oven, a quaternary pump is fixed on the top of the automatic sampler, a vacuum degasser is fixed on the top of the quaternary pump, a solvent bottle cabinet is fixed on the top of the vacuum degasser, and adjustment structures are assembled on the left and right sides of the top of the solvent bottle cabinet. The adjustment structure includes a fixing plate fixed on the top of the solvent bottle cabinet. In this device for detecting the dye concentration of printed and dyed fabrics, the provided adjustment structure can adjust the up and down movement of the suction pipe for sucking the mobile phase in the solvent bottle body. The suction pipe can suck the mobile phase at different heights, improving the purity of the extracted solvent. Moreover, the components of the adjustment structure limit and hold the solvent bottle body to prevent the solvent bottle body from shaking or shifting.

[0004] However, the existing devices have the following problems:

[0005] In the prior art, when using this device for detecting the cleanliness of printed and dyed fabrics to detect the cleanliness of printed and dyed fabrics, it is not convenient to adjust the position of the high-definition camera, resulting in a reduced detection range of the camera for printed and dyed fabrics. At the same time, when using the camera to detect the cleanliness of printed and dyed fabrics, it is not convenient to ensure the stability of the light during the detection process, resulting in uneven illumination and the formation of shadows on the printed and dyed fabrics, which is likely to cause false detection or missed detection problems. Summary of the Invention

[0006] (1) Technical Problem to be Solved

[0007] In view of the deficiencies of the prior art, the present invention provides a device for detecting the cleanliness of printed and dyed fabrics in visual inspection, which has the advantages of being convenient for adjusting the position of a high-definition camera and ensuring stable illumination during detection, and solves the problems of inconvenient adjustment of the position of the high-definition camera and uneven illumination during detection.

[0008] (2) Technical Solution

[0009] To achieve the above object, the present invention provides the following technical solution: A device for detecting the cleanliness of printed and dyed fabrics in visual inspection, comprising a frame, wherein:

[0010] A plurality of brackets for support are fixedly connected to the upper end of the frame. The inner side walls of the plurality of brackets are all clamped with lead screws for adjustment. A carrier plate for positioning is clamped inside each of the plurality of brackets. The outer surface of the lead screw is threadedly connected to the inner wall of the carrier plate. The lower end of the carrier plate is detachably connected with a high-definition camera;

[0011] An omnidirectional lamp capable of multi-angle adjustment is arranged on the inner top wall of the plurality of brackets.

[0012] Preferably, a base is fixedly connected to the lower end of the frame. A rotating shaft for rotation is clamped on the inner side wall of the frame. A conveyor belt is arranged on the outer surface of the rotating shaft.

[0013] Preferably, a machine cover for protection is fixedly installed on the side of the frame. Connecting blocks for positioning are fixedly connected to both sides of the machine cover. A bolt for fixation is inserted into the side surface of the connecting block. The bolt passes through the side surface of the connecting block and is threadedly connected to the side surface of the frame.

[0014] Preferably, a column for support is fixedly installed at the lower end of the base. A railing for protection is fixedly connected to the side surface of the column.

[0015] Preferably, a synchronous pulley for rotation is clamped at one end of the rotating shaft. A synchronous belt is clamped on the outer surface of the synchronous pulley. A synchronous sub-pulley is clamped at the lower end of the synchronous belt. A motor is fixedly installed on one side of the synchronous sub-pulley. Side plates for positioning are fixedly connected to both sides of the lower end of the motor. Screws for fixation are inserted into the upper ends of the side plates.

[0016] Preferably, a motor is fixedly installed on one side of the plurality of brackets. Limit switches for positioning are fixedly installed on the inner side walls of the plurality of brackets.

[0017] Preferably, an installation plate for connection is fixedly installed on the inner top wall of the plurality of brackets. A positioning frame for rotation is clamped at the lower end of the installation plate. A clamping block for connection is clamped at the lower end of the positioning frame. A lamp cover for protection is fixedly connected to the lower end of the clamping block.

[0018] Preferably, a connecting plate for fixation is fixedly connected to the outer surface of the upper end of the high-definition camera. A positioning pin for fixation is inserted into the upper end of the connecting plate.

[0019] Preferably, a clamping shaft for positioning is fixedly connected to the upper end of the positioning frame. A disc for limiting is threadedly connected to the upper end of the clamping shaft.

[0020] Preferably, a threaded head for fixation is threadedly connected to the upper end of the installation plate. The threaded head penetrates through the upper end of the installation plate and is threadedly connected to the inner top wall of the plurality of brackets.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the present invention provides a device for detecting the cleanliness of printed and dyed fabrics for visual inspection, having the following beneficial effects:

[0023] 1. In the device for detecting the cleanliness of printed and dyed fabrics for visual inspection, through the combined setting of a frame, a plurality of brackets, a motor, a lead screw, a carrier plate and a high-definition camera, the staff can drive the lead screw to rotate by turning on the motor, thereby driving the carrier plate to move horizontally, and further facilitating the adjustment of the positions of the plurality of high-definition cameras on the lead screw, enabling the plurality of high-definition cameras to flexibly align with any area of the fabric, further expanding the field of view of the high-definition cameras, ensuring the comprehensive coverage and detailed observation of the fabric, and thus facilitating the detection of the cleanliness of the printed and dyed fabrics.

[0024] 2. In the device for detecting the cleanliness of printed and dyed fabrics for visual inspection, through the multi-angle adjustable setting of the shadowless lamp, the uniform distribution of the light source during the detection is ensured. As a professional lighting device, the shadowless lamp can reduce or eliminate the shadow of the printed and dyed fabrics, which is crucial for the accurate detection of the cleanliness of the printed and dyed fabrics. It also optimizes the projection angle of the light, enabling the light to evenly and softly irradiate on the fabric surface, avoiding false detection or missed detection caused by uneven illumination. Since the shadowless lamp is convenient for the staff to adjust, the staff can further adjust the angle of the shadowless lamp according to the actual situation, further ensuring the stability of the light irradiation and the objectivity and reliability of the detection results.

[0025] 3. The visual inspection-based printing and dyeing fabric cleanliness detection device, through the cooperative setting of multiple brackets, lead screws, and carrier plates, facilitates quick disassembly, assembly, and debugging by the staff, thereby reducing maintenance costs. At the same time, the installation of the high-definition camera and shadowless lamp makes the entire detection system more compact and efficient, occupying less space and having strong adaptability, being suitable for printing and dyeing production lines of different scales and types, and further enhancing the applicability of the visual inspection-based printing and dyeing fabric cleanliness detection device. Brief Description of the Drawings

[0026] Figure 1 FIG. is a schematic structural diagram of a printing and dyeing fabric cleanliness detection device based on visual inspection proposed by the present invention;

[0027] Figure 2 FIG. is a schematic framework diagram of a printing and dyeing fabric cleanliness detection device based on visual inspection proposed by the present invention;

[0028] Figure 3 FIG. is a schematic synchronizing wheel diagram of a printing and dyeing fabric cleanliness detection device based on visual inspection proposed by the present invention;

[0029] Figure 4 FIG. is a schematic diagram of multiple brackets of a printing and dyeing fabric cleanliness detection device based on visual inspection proposed by the present invention;

[0030] Figure 5 FIG. is a schematic lead screw diagram of a printing and dyeing fabric cleanliness detection device based on visual inspection proposed by the present invention;

[0031] Figure 6 FIG. is a schematic high-definition camera diagram of a printing and dyeing fabric cleanliness detection device based on visual inspection proposed by the present invention;

[0032] Figure 7 FIG. is a schematic mounting plate diagram of a printing and dyeing fabric cleanliness detection device based on visual inspection proposed by the present invention;

[0033] Figure 8 FIG. is a schematic shadowless lamp diagram of a printing and dyeing fabric cleanliness detection device based on visual inspection proposed by the present invention.

[0034] In the figure: 1. Frame; 2. Base; 3. Rotating shaft; 4. Conveyor belt; 5. Multiple brackets; 6. Motor; 7. Lead screw; 8. Carrier plate; 9. Limit switch; 10. High-definition camera; 11. Mounting plate; 12. Positioning frame; 13. Block; 14. Lamp shade; 15. Shadowless lamp; 16. Column; 17. Rail; 18. Machine cover; 19. Connecting block; 20. Bolt; 21. Synchronizing wheel; 22. Synchronous belt; 23. Synchronous sub-wheel; 24. Electric motor; 25. Side plate; 26. Connecting plate; 27. Card shaft; 28. Disc; 29. Threaded head. Detailed Description of the Invention

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0036] Please refer to Figures 1 to 8 , the embodiments of the present invention provide a visual inspection device for the cleanliness of printed and dyed fabrics. This visual inspection device for the cleanliness of printed and dyed fabrics is applied to the scenario of detecting the cleanliness of printed and dyed fabrics. In this embodiment, by improving the structure of the visual inspection device for the cleanliness of printed and dyed fabrics, it has the advantages of being convenient to adjust the position of the high-definition camera and ensuring more uniform light irradiation. Specifically, taking the detection of the cleanliness of printed and dyed fabrics as an example, as a preferred solution in this embodiment, the cleanliness detection device is specifically a visual inspection device for the cleanliness of printed and dyed fabrics, which can more accurately detect the cleanliness of printed and dyed fabrics.

[0037] Please refer to Figures 1 to 8 , the present invention provides a technical solution: a visual inspection device for the cleanliness of printed and dyed fabrics. This device for detecting the cleanliness of printed and dyed fabrics is mainly applied to the scenario of detecting the cleanliness of printed and dyed fabrics.

[0038] It includes a frame 1. Among them, a plurality of brackets 5 for support are fixedly connected to the upper end of the frame 1. The inner side walls of the plurality of brackets 5 are all clamped with lead screws 7 for adjustment. A carrier plate 8 for positioning is clamped inside each of the plurality of brackets 5. The outer surface of the lead screw 7 is threadedly connected to the inner wall of the carrier plate 8. The lower end of the carrier plate 8 is detachably connected to a high-definition camera 10. An omnidirectional lamp 15 that can be adjusted at multiple angles is provided on the inner top wall of the plurality of brackets 5.

[0039] In this embodiment, through the frame 1, the overall stability of the device for detecting the cleanliness of printed and dyed fabrics during operation can be further ensured. Also, through the arrangement of the plurality of brackets 5, when the staff adjusts the positions of the carrier plate 8 and the high-definition camera 10 by turning on the motor 6, it prevents the high-definition camera 10 from shaking, thereby avoiding the problem of inaccurate detection data. At the same time, it ensures that when adjusting the angle of the omnidirectional lamp 15, it is more convenient and stable.

[0040] The lower end of the frame 1 is fixedly connected to a base 2. A rotating shaft 3 for rotation is clamped on the inner side wall of the frame 1. A conveyor belt 4 is arranged on the outer surface of the rotating shaft 3. Through the arrangement of the rotating shaft 3 and the conveyor belt 4, the staff can drive the conveyor belt 4 to rotate by starting the motor 24 and driving the rotating shaft 3 to rotate, so as to facilitate the transportation of the printed and dyed fabrics on the conveyor belt 4 and carry out the work of cleanliness detection.

[0041] A machine cover 18 for protection is fixedly installed on the side of the frame 1. Connecting blocks 19 for positioning are fixedly connected to both sides of the machine cover 18. A bolt 20 for fixation is inserted into the side of the connecting block 19. The bolt 20 passes through the side of the connecting block 19 and is threadedly connected to the side of the frame 1. Through the arrangement of the machine cover 18 and the connecting block 19, the synchronous pulley 21, the synchronous belt 22 and the synchronous sub-pulley 23 can be protected to prevent potential safety hazards caused by exposure. Through the arrangement of the bolt 20, the staff can more firmly fix the machine cover 18 on the sides of the frame 1 and the base 2 through the bolt 20 and the connecting block 19, further ensuring that the machine cover 18 will not fall off due to the vibration of the machine body during the operation of the printed and dyed fabric cleanliness detection device, and further ensuring the stability of the machine cover 18.

[0042] Support columns 16 for support are fixedly installed at the lower end of the base 2. Railings 17 for protection are fixedly connected to the sides of the support columns 16. Through the arrangement of the support columns 16 and the railings 17, when the staff fixes the support columns 16 at the lower end of the base 2, it can support and fix the whole base 2. Also, through the railings 17, the two support columns 16 can be connected together, further ensuring the stability of the support columns 16 and playing a protective role for the staff to prevent the staff from climbing under the device, further improving the safety of the device.

[0043] One end of the rotating shaft 3 is clamped with a synchronous pulley 21 for rotation. The outer surface of the synchronous pulley 21 is clamped with a synchronous belt 22. The lower end of the synchronous belt 22 is clamped with a synchronous sub-pulley 23. One side of the synchronous sub-pulley 23 is fixedly installed with a motor 24. Both sides of the lower end of the motor 24 are fixedly connected with side plates 25 for positioning. The upper end of the side plate 25 is inserted with screws for fixing. Through the settings of the synchronous pulley 21, the synchronous belt 22 and the synchronous sub-pulley 23, the synchronous belt 22 can connect the synchronous pulley 21 and the synchronous sub-pulley 23 together and play a role in transmission, so that the rotating shaft 3 can achieve the rotation effect. Through the settings of the synchronous pulley 21, the synchronous belt 22, the synchronous sub-pulley 23, the motor 24, the rotating shaft 3 and the conveyor belt 4, the synchronous pulley 21 is fixedly installed at one end of the rotating shaft 3, and the side surface of the synchronous sub-pulley 23 is fixedly installed with the motor 24 together. The synchronous belt 22 connects the synchronous pulley 21 and the synchronous sub-pulley 23 together. By turning on the motor 24, the synchronous sub-pulley 23 and the synchronous belt 22 can drive the synchronous pulley 21 to rotate, and then drive the rotating shaft 3 to rotate, so as to achieve the purpose of conveying the printed and dyed fabric on the conveyor belt 4, so as to facilitate the use of the detection device to detect the cleanliness of the printed and dyed fabric. Also, through the settings of the side plate 25 and the screws, the staff can more conveniently fix the motor 24 on the inner top wall of the base 2, thus ensuring the stability of the motor 24 during operation, and further preventing the motor 24 from shaking during operation, and further ensuring the stability of the printed and dyed fabric cleanliness detection device for visual inspection.

[0044] One side of a plurality of brackets 5 is fixedly installed with a motor 6. The inner side walls of the plurality of brackets 5 are fixedly installed with limit switches 9 for positioning. Through the setting of the motor 6, the motor 6 is connected with the lead screw 7 through a key. Thus, when the staff turns on the motor 6, the lead screw 7 can be driven to rotate, and a plurality of carrier plates 8 on the outer surface of the lead screw 7 can be driven to move. At the same time, through the setting of the limit switch 9, the limit switch 9 is fixed on the inner side walls of the plurality of brackets 5. When the carrier plate 8 moves to the position of the limit switch 9 and touches the limit switch 9, the motor 6 can be reversed, and the lead screw 7 can be driven to reverse, so as to adjust the positions of the carrier plate 8 and the high-definition camera 10.

[0045] An installation plate 11 for connection is fixedly installed on the inner top wall of multiple brackets 5. A positioning bracket 12 for rotation is clamped at the lower end of the installation plate 11. A clamping block 13 for connection is clamped at the lower end of the positioning bracket 12. A lamp shade 14 for protection is fixedly connected to the lower end of the clamping block 13. Through the settings of the installation plate 11, the positioning bracket 12, the clamping block 13 and the lamp shade 14, it is convenient for the staff to fix the shadowless lamp 15 more stably on the inner top wall of the multiple brackets 5, further ensuring the stability of the shadowless lamp 15. At the same time, the design of the lamp shade 14 not only protects the shadowless lamp 15 from external interference, but also optimizes the light projection angle. Since the positioning bracket 12 is clamped at the lower end of the installation plate 11, it is convenient for the staff to rotate the positioning bracket 12. At the same time, the clamping block 13 is clamped inside the positioning bracket 12, so that the staff can adjust the angle of the shadowless lamp 15 according to the actual situation, further ensuring that the light can evenly and softly irradiate the surface of the fabric, and performing cleanliness detection on the surface of the printed and dyed fabric, further improving the practicability of the printed and dyed fabric cleanliness detection device for visual detection.

[0046] A connecting plate 26 for fixation is fixedly connected to the outer surface of the upper end of the high-definition camera 10. A positioning pin for fixation is inserted into the upper end of the connecting plate 26. Through the settings of the connecting plate 26 and the positioning pin, it is convenient for the staff to fix the high-definition camera 10 more stably at the lower end of the carrier plate 8, further ensuring that when the staff adjusts the high-definition camera 10 using the lead screw 7 and the carrier plate 8, the high-definition camera 10 will not shake, and further ensuring more stability when detecting the cleanliness of the printed and dyed fabric through the high-definition camera 10.

[0047] A clamping shaft 27 for positioning is fixedly connected to the upper end of the positioning bracket 12. A disc 28 for limiting is threadedly connected to the upper end of the clamping shaft 27. Through the settings of the clamping shaft 27 and the disc 28, the staff can clamp the positioning bracket 12 at the lower end of the installation plate 11 through the clamping shaft 27. The clamping shaft 27 passes through the installation plate 11, and the disc 28 can be fixed to the upper end of the clamping shaft 27, preventing the positioning bracket 12 from falling off the installation plate 11 when the positioning bracket 12 rotates, so that the staff can adjust the shadowless lamp 15 more conveniently.

[0048] A threaded head 29 for fixation is threadedly connected to the upper end of the installation plate 11. The threaded head 29 passes through the upper end of the installation plate 11 and is threadedly connected to the inner top wall of the multiple brackets 5. Through the setting of the threaded head 29, it is convenient for the staff to fix the assembled installation plate 11 and the positioning bracket 12 on the inner top wall of the multiple brackets 5, further ensuring more stability when the staff adjusts the position and angle of the shadowless lamp 15, preventing the shadowless lamp 15 from shaking when irradiating the printed and dyed fabric on the conveyor belt 4, and further ensuring the stability of the light irradiation.

[0049] All the electrical components mentioned in this article are electrically connected to an external main controller, and the main controller can be a conventional known device such as a computer for control purposes.

[0050] In summary, when the printing and dyeing fabric cleanliness detection device based on vision detection is in use:

[0051] 1. First, place the printing and dyeing fabric to be detected on the conveyor belt 4, then turn on the motor 24, which can drive the synchronous sub-wheel 23 and the synchronous belt 22 to drive the synchronous wheel 21 to rotate, and drive the rotating shaft 3 to rotate, so as to achieve the purpose of conveying the printing and dyeing fabric on the conveyor belt 4;

[0052] 2. Second, turn on the motor 6 to drive the lead screw 7 to rotate, thereby driving the carrier plate 8 and the high-definition camera 10 to move horizontally. When the carrier plate 8 touches the limit switch 9, the motor 6 reverses, so that the position of the high-definition camera 10 can be adjusted more flexibly, enabling multiple high-definition cameras 10 on the lead screw 7 to more flexibly align with any area of the fabric and detect the printing and dyeing fabric;

[0053] 3. Then, as needed, the irradiation angle of the shadowless lamp 15 can be adjusted by rotating the positioning frame 12 and adjusting the angle of the adjustment block 13 within the positioning frame 12 to ensure that the light can evenly and softly irradiate the fabric surface and prevent the formation of shadows on the surface of the printing and dyeing fabric;

[0054] 4. Finally, the high-definition camera 10 captures the image of the printing and dyeing fabric, analyzes and judges it through image processing software to detect the cleanliness of the fabric. At the same time, the detection results are recorded or transmitted to a remote monitoring system, which can play a role in detecting the cleanliness of the printing and dyeing fabric.

[0055] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one" does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0056] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can 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 detecting the cleanliness of printed and dyed fabrics in visual inspection, characterized in that, It includes a frame (1), wherein: At the upper end of the frame (1), a plurality of brackets (5) for support are fixedly connected. On the inner side walls of the plurality of brackets (5), lead screws (7) for adjustment are clamped. Inside the plurality of brackets (5), carrier plates (8) for positioning are clamped. The outer surface of the lead screw (7) is threadedly connected to the inner wall of the carrier plate (8). The lower end of the carrier plate (8) is detachably connected to a high-definition camera (10); On the inner top walls of the plurality of brackets (5), shadowless lamps (15) that can be adjusted at multiple angles are provided.

2. The device for detecting the cleanliness of printed and dyed fabrics for visual inspection according to claim 1, wherein: At the lower end of the frame (1), a base (2) is fixedly connected. On the inner side wall of the frame (1), a rotating shaft (3) for rotation is clamped. A conveyor belt (4) is provided on the outer surface of the rotating shaft (3).

3. The cleanliness detection device for printed and dyed fabrics in visual detection according to claim 1, characterized in that: On the side of the frame (1), a machine cover (18) for protection is fixedly installed. On both sides of the machine cover (18), connection blocks (19) for positioning are fixedly connected. On the side of the connection block (19), a bolt (20) for fixation is inserted. The bolt (20) passes through the side of the connection block (19) and is threadedly connected to the side of the frame (1).

4. The printing and dyeing fabric cleanliness detection device for visual detection according to claim 2, wherein: At the lower end of the base (2), columns (16) for support are fixedly installed. On the side of the column (16), guardrails (17) for protection are fixedly connected.

5. The device for detecting the cleanliness of printed and dyed fabrics for visual inspection according to claim 1, characterized in that: At one end of the rotating shaft (3), a synchronous pulley (21) for rotation is clamped. On the outer surface of the synchronous pulley (21), a synchronous belt (22) is clamped. At the lower end of the synchronous belt (22), a synchronous auxiliary pulley (23) is clamped. On one side of the synchronous auxiliary pulley (23), a motor (24) is fixedly installed. On both sides at the lower end of the motor (24), side plates (25) for positioning are fixedly connected. On the upper end of the side plate (25), screws for fixation are inserted.

6. The device for detecting the cleanliness of printed and dyed fabrics for visual inspection according to claim 1, wherein: On one side of the plurality of brackets (5), a motor (6) is fixedly installed. On the inner side walls of the plurality of brackets (5), limit switches (9) for positioning are fixedly installed.

7. A device for detecting the cleanliness of printed and dyed fabrics in visual inspection according to claim 1, characterized in that: On the inner top walls of the plurality of brackets (5), mounting plates (11) for connection are fixedly installed. At the lower end of the mounting plate (11), a positioning bracket (12) for rotation is clamped. At the lower end of the positioning bracket (12), a clamping block (13) for connection is clamped. At the lower end of the clamping block (13), a lamp shade (14) for protection is fixedly connected.

8. An apparatus for detecting the cleanliness of printed and dyed fabrics in visual inspection according to claim 1, characterized in that: On the outer surface at the upper end of the high-definition camera (10), a connecting plate (26) for fixation is fixedly connected. On the upper end of the connecting plate (26), positioning pins for fixation are inserted.

9. An apparatus for detecting the cleanliness of printed and dyed fabrics in visual inspection according to claim 7, characterized in that: At the upper end of the positioning bracket (12), a clamping shaft (27) for positioning is fixedly connected. At the upper end of the clamping shaft (27), a disc (28) for limiting is threadedly connected.

10. A device for detecting the cleanliness of printed and dyed fabrics by visual inspection according to claim 7, characterized in that: At the upper end of the mounting plate (11), a threaded head (29) for fixation is threadedly connected. The threaded head (29) passes through the upper end of the mounting plate (11) and is threadedly connected to the inner top wall of the plurality of brackets (5).

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