Automatic cutting piece detection machine for parallel detection

Abstract

The utility model discloses a kind of parallel detection's cutting piece automatic detection machine, including detection device, sorting device and control device, sorting device is set to the side of detection device, control device is electrically connected with detection device and sorting device respectively, detection device includes detection machine, detection conveyor belt, appearance detection mechanism and shape detection mechanism, detection conveyor belt is set on detection machine, appearance detection mechanism and shape detection mechanism are respectively along the transmission direction interval of detection conveyor belt Setting;Control device is provided with appearance detection circuit and shape detection circuit. The appearance of cutting piece is detected by appearance detection mechanism, the shape of cutting piece is detected by shape detection mechanism, the appearance, shape and size of cutting piece are detected simultaneously, the detection project is enriched, the qualified rate of cutting piece is improved;Appearance detection circuit and shape detection circuit parallel detection improve detection efficiency, NG sorting mechanism automatically sorts, reduce manual intervention, improve sorting precision.

Description

Technical Field

[0001] This utility model relates to the field of automated inspection technology for judges, and in particular to an automated inspection machine for cut pieces with parallel inspection capabilities. Background Technology

[0002] Cut pieces are units created by cutting fabric using pattern sheets. These pieces are then sewn together to form garments, seat covers, and other patchwork products. After production, the cut pieces need to be inspected to ensure they are free of stains, damage, color differences, and abnormal textures. Traditional inspection methods rely on manual labor, which is inefficient and inaccurate. Furthermore, the outer contour of the cut pieces directly affects the integrity of the stitching. Depending on the application, some pieces may require internal openings or slots, whose inner dimensions also impact stitching and subsequent production. Therefore, both the inner and outer contour shapes and dimensions of the cut pieces must be inspected. Current automated cut piece inspection machines only have one camera, allowing for visual inspection but not checking the shape and dimensions of the cut pieces. Therefore, improvements are necessary. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this invention is to provide an automatic fabric piece inspection machine with parallel inspection capabilities. This machine can not only inspect the appearance of the fabric pieces, but also inspect the shape and size of their inner and outer contours, thus enriching the inspection items and improving the pass rate of the fabric pieces.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: an automatic inspection machine for cut pieces with parallel inspection, comprising an inspection device, a sorting device, and a control device. The sorting device is disposed beside the inspection device, and the control device is electrically connected to both the inspection device and the sorting device. The inspection device comprises an inspection platform, an inspection conveyor belt, an appearance inspection mechanism, and a shape inspection mechanism. The inspection conveyor belt is disposed on the inspection platform. The appearance inspection mechanism and the shape inspection mechanism are disposed at intervals along the conveying direction of the inspection conveyor belt. The appearance inspection mechanism is provided with an appearance inspection camera, and the shape inspection mechanism is provided with a shape inspection camera. The lenses of the appearance inspection camera and the shape inspection camera are respectively positioned facing the inspection conveyor belt.

[0005] The control device is equipped with an appearance inspection circuit and a shape inspection circuit. The appearance inspection camera is electrically connected to the appearance inspection circuit, and the shape inspection camera is electrically connected to the shape inspection circuit.

[0006] The sorting device includes an NG sorting mechanism, a qualified sorting station, and an NG sorting station. The NG sorting mechanism is equipped with a sorting inlet, a qualified outlet, and an NG outlet. The qualified sorting station is located next to the qualified outlet, and the NG sorting station is located on one side of the NG outlet. The two ends of the inspection conveyor belt are respectively equipped with a conveyor output end and a conveyor input end. The sorting inlet of the NG sorting mechanism is connected to the conveyor output end of the inspection conveyor belt.

[0007] In a further technical solution, the detection device is provided with at least two upper supplementary lighting mechanisms, which are respectively located on the sides of the appearance detection mechanism and the shape detection mechanism.

[0008] In a further technical solution, the upper supplementary lighting mechanism includes a supplementary lighting gantry and supplementary lighting strips. The two ends of the supplementary lighting gantry are respectively set on the left and right sides of the detection conveyor belt, and the supplementary lighting strips are rotatably installed on the upper part of the supplementary lighting gantry and extend horizontally through the detection conveyor belt.

[0009] In a further technical solution, the detection device is also equipped with a backlight supplement mechanism, which includes at least one backlight panel. The backlight panel is located below the detection conveyor belt and extends through the detection conveyor belt in the longitudinal direction.

[0010] In a further technical solution, the testing machine is equipped with two mounting rails, which are respectively set on the left and right sides of the testing conveyor belt along the longitudinal direction. The appearance inspection mechanism and the shape inspection mechanism are both fixedly installed on the two mounting rails.

[0011] In a further technical solution, the appearance inspection mechanism includes an appearance inspection gantry and an appearance inspection camera. The two ends of the appearance inspection gantry are fixedly installed on two mounting rails, and the appearance inspection camera is fixedly installed at the center of the upper part of the appearance inspection gantry, with the appearance inspection camera perpendicular to the inspection conveyor belt.

[0012] The shape detection mechanism includes a shape detection gantry and a shape detection camera. The two ends of the shape detection gantry are fixedly installed on two mounting rails, and the shape detection camera is fixedly installed at the center of the upper part of the shape detection gantry, perpendicular to the detection conveyor belt.

[0013] In a further technical solution, the NG sorting mechanism includes an NG sorting machine, multiple NG sorting components, multiple qualified sorting components, at least one NG drive component, and at least one qualified drive component. Each NG sorting component and each qualified sorting component is respectively disposed on the upper part of the NG sorting machine. Each NG sorting component and each qualified sorting component is rotatably mounted with a guide wheel. The NG drive component is drivenly connected to the guide wheel of each NG sorting component, and the qualified drive component is drivenly connected to the guide wheel of each qualified sorting component. The guide wheel of the NG drive component is set towards the NG sorting table, and the guide wheel of the qualified drive component is set towards the qualified sorting table. When the cut piece on the NG sorting machine is qualified, the qualified drive component drives the guide wheel of each qualified sorting component to rotate. When the cut piece on the NG sorting machine is unqualified, the NG drive component drives the guide wheel of each NG sorting component to rotate.

[0014] Both the qualified and NG sorting tables have their upper surfaces tilted and multiple sliding rollers mounted on them.

[0015] In a further technical solution, the sorting device is provided with two NG sorting stations, and the corresponding NG sorting mechanism is provided with two NG discharge ends. The two NG sorting stations are respectively located on one side of the two NG discharge ends. The guide wheels of some NG sorting components are set towards the first NG sorting station, and the guide wheels of other NG sorting components are set towards the second NG sorting station. The NG sorting mechanism is provided with at least two NG drive components. The first NG drive component is connected to the guide wheels of each of the first NG sorting stations, and the second NG drive component is connected to the guide wheels of each of the second NG sorting stations.

[0016] When the cut pieces on the NG sorting machine are simultaneously marked as qualified by both the appearance inspection mechanism and the shape inspection mechanism, the qualified drive component drives the guide wheels of each qualified sorting component to rotate.

[0017] When the cut pieces on the NG sorting machine are marked as qualified by the appearance inspection mechanism and unqualified by the shape inspection mechanism, the first NG drive assembly drives the guide wheels of each first NG sorting station to rotate.

[0018] When the cut piece on the NG sorting machine is marked as unqualified by the appearance inspection mechanism and as qualified by the shape inspection mechanism, the second NG drive assembly drives the guide wheels of each second NG sorting station to rotate.

[0019] In a further technical solution, the testing device is also equipped with a protective cover, which is located on the upper part of the testing machine. The conveyor input end of the testing conveyor belt extends to the outside of the protective cover, protruding from the testing conveyor belt of the testing machine to form a feeding area.

[0020] In a further technical solution, a feed sensor is provided at the input end of the detection conveyor belt, a discharge sensor is provided at the output end of the detection conveyor belt, and a feed sensor is provided in the middle of the detection conveyor belt. The feed sensor is located between the appearance inspection mechanism and the shape inspection mechanism. The feed sensor, discharge sensor and feed sensor are electrically connected to the control device.

[0021] The advantages of this invention compared to existing technologies are as follows: A visual inspection camera photographs the cut pieces for visual inspection, determining whether there are stains, damage, color differences, or abnormal textures on the surface. Simultaneously, a shape inspection camera photographs the cut pieces for shape inspection, determining whether the inner and outer contours and dimensions of the cut pieces are qualified. This allows for simultaneous inspection of the appearance, shape, and size of the cut pieces, enriching the inspection items and improving the pass rate. The control device analyzes and judges the images captured by the visual inspection camera and the shape inspection camera respectively through the visual inspection circuit and the shape inspection circuit, performing parallel discrimination to improve the judgment and recognition speed and increase inspection efficiency. The NG sorting mechanism sorts qualified and unqualified cut pieces to the qualified sorting table and the NG sorting table respectively, eliminating the need for manual sorting and improving automation. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is the utility model Figure 1 Enlarged view of part A;

[0025] Figure 3 This is a schematic diagram of the structure of the hidden protective cover of the detection device of this utility model;

[0026] Figure 4 This is a connection block diagram of the appearance inspection camera, shape inspection camera, appearance inspection circuit, and shape inspection circuit of this utility model.

[0027] Figure 5 This is a top view of the concealed protective cover of this utility model.

[0028] In the picture:

[0029] 1. Detection device; 11. Detection machine; 12. Detection conveyor belt; 121. Conveyor output end; 122. Conveyor input end; 123. Feeding area; 13. Appearance inspection mechanism; 131. Appearance inspection gantry; 132. Appearance inspection camera; 14. Shape inspection mechanism; 141. Shape inspection gantry; 142. Shape inspection camera; 15. Mounting guide rail; 16. Protective cover; 171. Feed sensor; 172. Discharge sensor; 173. Material handling sensor;

[0030] 2 Sorting device, 21NG sorting mechanism, 211NG sorting machine, 212NG discharge end, 213 sorting feed end, 214 qualified discharge end, 215NG sorting assembly, 216 qualified sorting assembly, 217 guide wheel, 22 qualified sorting table, 23NG sorting table;

[0031] 3. Upper supplementary lighting mechanism; 31. Supplementary lighting gantry; 32. Supplementary lighting strips;

[0032] 4. Backlight panel. Detailed Implementation

[0033] The following are merely preferred embodiments of the present invention and do not limit the scope of protection of the present invention.

[0034] An automatic fabric piece inspection machine with parallel detection, such as Figures 1 to 5 As shown, the system includes a detection device 1, a sorting device 2, and a control device. The sorting device 2 is located beside the detection device 1. The control device is electrically connected to both the detection device 1 and the sorting device 2. The detection device 1 includes a detection platform 11, a detection conveyor belt 12, an appearance detection mechanism 13, and a shape detection mechanism 14. The detection conveyor belt 12 is mounted on the detection platform 11. The appearance detection mechanism 13 and the shape detection mechanism 14 are spaced apart along the conveying direction of the detection conveyor belt 12. The appearance detection mechanism 13 is equipped with an appearance detection camera 132, and the shape detection mechanism 14 is equipped with a shape detection camera 142. The lenses of the appearance detection camera 132 and the shape detection camera 142 are respectively positioned facing the detection conveyor belt 12. The control device is... The device includes an appearance inspection circuit and a shape inspection circuit. The appearance inspection camera 132 is electrically connected to the appearance inspection circuit, and the shape inspection camera 142 is electrically connected to the shape inspection circuit. The sorting device 2 includes an NG sorting mechanism 21, a qualified sorting platform 22, and an NG sorting platform 23. The NG sorting mechanism 21 is provided with a sorting feed end 213, a qualified discharge end 214, and an NG discharge end 212. The qualified sorting platform 22 is located next to the qualified discharge end 214, and the NG sorting platform 23 is located on one side of the NG discharge end 212. The two ends of the inspection conveyor belt 12 are respectively provided with a conveyor output end 121 and a conveyor input end 122. The sorting feed end 213 of the NG sorting mechanism 21 is connected to the conveyor output end 121 of the inspection conveyor belt 12.

[0035] Traditional automatic fabric inspection machines can only automatically inspect the appearance of fabric pieces, but cannot inspect the inner and outer contours and dimensions of the fabric pieces. This requires secondary manual inspection, resulting in low efficiency. This invention, however, uses an appearance inspection camera 132 to photograph the fabric pieces for appearance inspection, determining whether there are stains, damage, color differences, or abnormal textures on the surface. Simultaneously, a shape inspection camera 142 photographs the fabric pieces for shape inspection, determining whether the inner and outer contours and dimensions of the fabric pieces are acceptable. This allows for simultaneous inspection of the appearance, shape, and dimensions of the fabric pieces, enriching the inspection items and improving the pass rate. The control device analyzes and judges the images captured by the appearance inspection camera 132 and the shape inspection camera 142 through appearance and shape inspection circuits respectively, performing parallel judgments to improve judgment and recognition speed and increase inspection efficiency. The NG sorting mechanism 21 sorts acceptable and unacceptable fabric pieces to the acceptable sorting table 22 and the NG sorting table 23 respectively, eliminating the need for manual sorting, increasing automation, reducing human intervention, improving inspection and sorting efficiency, and ensuring inspection accuracy.

[0036] Specifically, the detection device 1 is equipped with at least two upper supplementary lighting mechanisms 3, which are respectively located beside the appearance detection mechanism 13 and the shape detection mechanism 14. By supplementing the upper surface of the cut piece with light through the two upper supplementary lighting mechanisms 3, the amount of light entering the appearance detection camera 132 and the shape detection camera 142 is increased, the detection error caused by insufficient light is reduced, the clarity of the images captured by the cameras is improved, and thus the accuracy of the detection is improved.

[0037] Specifically, the upper supplementary lighting mechanism 3 includes a supplementary lighting gantry 31 and a supplementary lighting strip 32. The two ends of the supplementary lighting gantry 31 are respectively positioned on the left and right sides of the inspection conveyor belt 12. The supplementary lighting strip 32 is rotatably mounted on the upper part of the supplementary lighting gantry 31 and extends laterally through the inspection conveyor belt 12. The supplementary lighting strip 32 is rotatably mounted, allowing for flexible adjustment of the supplementary lighting angle to adapt to the inspection needs of different materials and colors of cut pieces, ensuring good supplementary lighting effects under various conditions and further guaranteeing inspection accuracy. The supplementary lighting strip 32 uses LED strip lights with a high color rendering index Ra≥90. These lights have low energy consumption, long lifespan, and adjustable brightness and color temperature, with the color temperature adjustable to 5000K-6500K neutral white light.

[0038] Specifically, the detection device 1 is also equipped with a backlighting mechanism, which includes at least one backlight panel 4. The backlight panel 4 is positioned below the detection conveyor belt 12 and extends longitudinally through the detection conveyor belt 12. The backlight panel 4 provides light from below the detection conveyor belt 12. The conveyor belt 12 is made of a thin material to facilitate light penetration, enhancing the contrast between the cut piece outline and the background. This is especially beneficial for the shape detection mechanism 14 to clearly capture the inner and outer outlines of the cut piece, improving the accuracy of shape and size detection. The backlight panel 4 uses a high-brightness LED panel light. It has good light uniformity and can form a stable surface light source. When penetrating the thin cut piece from below the detection conveyor belt 12, it can clearly highlight the inner and outer outlines of the cut piece, including details such as openings and slots, avoiding the shape detection camera 142 from missing edge size deviations due to uneven light. Furthermore, the longitudinal penetration design of the panel light matches the installation requirements of the backlight panel 4, ensuring clear outline imaging.

[0039] Specifically, the inspection machine 11 is equipped with two mounting rails 15, which are respectively arranged on the left and right sides of the inspection conveyor belt 12 along the longitudinal direction. The appearance inspection mechanism 13 and the shape inspection mechanism 14 are both fixedly installed on the two mounting rails 15. The mounting rails 15 facilitate the flexible adjustment of the positions of the appearance inspection mechanism 13 and the shape inspection mechanism 14 on the inspection conveyor belt 12 according to the size of the cut pieces and the inspection requirements, making the equipment suitable for inspecting cut pieces of various specifications and improving the versatility and flexibility of the equipment.

[0040] Specifically, the appearance inspection mechanism 13 includes an appearance inspection gantry 131 and an appearance inspection camera 132. The two ends of the appearance inspection gantry 131 are fixedly mounted on two mounting rails 15, and the appearance inspection camera 132 is fixedly mounted at the center of the upper part of the appearance inspection gantry 131, perpendicular to the inspection conveyor belt 12. The shape inspection mechanism 14 includes a shape inspection gantry 141 and a shape inspection camera 142. The two ends of the shape inspection gantry 141 are fixedly mounted on two mounting rails 15, and the shape inspection camera 142 is fixedly mounted at the center of the upper part of the shape inspection gantry 141, perpendicular to the inspection conveyor belt 12. The vertical mounting of the appearance inspection camera 132 and the shape inspection camera 142 at the center of the upper part of the gantry ensures the stability and consistency of the shooting angle, reduces image distortion caused by angle deviation, improves the accuracy of the captured images, provides a reliable basis for subsequent inspections, and ensures inspection precision.

[0041] Specifically, the NG sorting mechanism 21 includes an NG sorting machine 211, multiple NG sorting components 215, multiple qualified sorting components 216, at least one NG drive component, and at least one qualified drive component. Each NG sorting component 215 and each qualified sorting component 216 is respectively disposed on the upper part of the NG sorting machine 211. Each NG sorting component 215 and each qualified sorting component 216 is rotatably mounted with a guide wheel 217. The NG drive component is connected to the guide wheel 217 of each NG sorting component 215, and the qualified drive component is connected to the guide wheel 217 of each qualified sorting component 216. Guide wheels 217 are connected for transmission. The guide wheels 217 of the NG drive assembly are positioned facing the NG sorting table 23, and the guide wheels 217 of the qualified drive assembly are positioned facing the qualified sorting table 22. When the cut pieces on the NG sorting table 211 are qualified, the qualified drive assembly drives the guide wheels 217 of each qualified sorting assembly 216 to rotate. When the cut pieces on the NG sorting table 211 are unqualified, the NG drive assembly drives the guide wheels 217 of each NG sorting assembly 215 to rotate. The upper surfaces of both the qualified sorting table 22 and the NG sorting table 23 are inclined and multiple sliding rollers are rotatably mounted on their upper surfaces. The NG sorting mechanism 21 achieves the sorting of cut pieces through the rotation drive of the guide wheels 217. The inclined setting and sliding roller design of the qualified sorting table 22 and the NG sorting table 23 allow the cut pieces to slide smoothly, realizing automatic and efficient sorting of cut pieces, avoiding the tediousness of manual sorting, and improving the efficiency of the overall inspection process. The NG sorting component 215 and the qualified sorting component 216 have the same structure. Each NG sorting component 215 is connected to the NG drive component through a gear structure, and each qualified sorting component 216 is connected to the qualified drive component through a gear structure. The NG drive component and the qualified drive component are powered by motors, while the guide wheel 217 is connected through a bevel gear structure. The structure is simple and the cost is low.

[0042] Specifically, the sorting device 2 is provided with two NG sorting stations 23, and the corresponding NG sorting mechanism 21 is provided with two NG discharge ends 212. The two NG sorting stations 23 are respectively located on one side of the two NG discharge ends 212. The guide wheels 217 of some NG sorting components 215 are set towards the first NG sorting station 23, and the guide wheels 217 of other NG sorting components 215 are set towards the second NG sorting station 23. The NG sorting mechanism 21 is provided with at least two NG drive components. The first NG drive component is connected to the guide wheels 217 of each of the first NG sorting stations 23, and the second NG drive component is connected to the guide wheels 217 of each of the second NG sorting stations 23.

[0043] When the cut piece on the NG sorting machine 211 is marked as qualified by both the appearance inspection mechanism 13 and the shape inspection mechanism 14, the qualified drive assembly drives the guide wheels 217 of each qualified sorting assembly 216 to rotate.

[0044] When the cut piece on the NG sorting station 211 is marked as qualified by the appearance inspection mechanism 13 and as unqualified by the shape inspection mechanism 14, the first NG drive assembly drives the guide wheels 217 of each first NG sorting station 23 to rotate.

[0045] When the cut piece on the NG sorting station 211 is marked as unqualified by the appearance inspection mechanism 13 and as qualified by the shape inspection mechanism 14, the second NG drive assembly drives the guide wheels 217 of each second NG sorting station 23 to rotate.

[0046] With two NG sorting stations 23 and corresponding two NG sorting components 215 facing the same direction, non-conforming cut pieces can be sorted in a secondary manner. They can be sorted according to whether the material is non-conforming in appearance or shape, so that different types of non-conforming cut pieces can be processed in a targeted manner, thus improving the efficiency and targeting of non-conforming product processing.

[0047] Specifically, the testing device 1 is also equipped with a protective cover 16, which is located on the upper part of the testing machine 11. The conveyor input end 122 of the testing conveyor belt 12 extends to the outside of the protective cover 16, protruding from the testing conveyor belt 12 of the testing machine 11 to form a loading area 123. The protective cover 16 can effectively block external dust and debris from entering the testing area, reduce environmental interference with the testing, and ensure the cleanliness of the testing environment. The formation of the loading area 123 facilitates the loading operation for operators and improves the convenience of loading.

[0048] Specifically, a feed sensor 171 is provided at the input end 122 of the inspection conveyor belt 12, a discharge sensor 172 is provided at the output end 121 of the inspection conveyor belt 12, and a feed sensor 173 is provided in the middle of the inspection conveyor belt 12. The feed sensor 173 is located between the appearance inspection mechanism 13 and the shape inspection mechanism 14. The feed sensor 171, discharge sensor 172, and feed sensor 173 are electrically connected to the control device. The feed sensor 171, discharge sensor 172, and feed sensor 173 can monitor the position of the cut piece on the inspection conveyor belt 12 in real time, ensuring that the control device accurately grasps the running status of the cut piece, coordinates the work of the inspection mechanism 1 and the sorting device 2, ensures the orderly progress of the inspection and sorting process, and avoids missed inspections, incorrect inspections, or sorting chaos.

[0049] It is important to understand that the terms "front," "back," "left," and "right," etc., indicate directions or positional relationships based on... Figure 1The orientations or positional relationships shown, with "longitudinal" along the front-back direction and "lateral" along the left-right direction, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0050] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model.

Claims

1. An automatic fabric piece inspection machine for parallel inspection, comprising an inspection device (1), a sorting device (2), and a control device, wherein the sorting device (2) is disposed beside the inspection device (1), and the control device is electrically connected to both the inspection device (1) and the sorting device (2), characterized in that: The testing device (1) includes a testing machine (11), a testing conveyor belt (12), an appearance testing mechanism (13), and a shape testing mechanism (14). The testing conveyor belt (12) is set on the testing machine (11). The appearance testing mechanism (13) and the shape testing mechanism (14) are respectively set at intervals along the conveying direction of the testing conveyor belt (12). The appearance testing mechanism (13) is equipped with an appearance testing camera (132), and the shape testing mechanism (14) is equipped with a shape testing camera (142). The lenses of the appearance testing camera (132) and the shape testing camera (142) are respectively set facing the testing conveyor belt (12). The control device is equipped with an appearance detection circuit and a shape detection circuit. The appearance detection camera (132) is electrically connected to the appearance detection circuit, and the shape detection camera (142) is electrically connected to the shape detection circuit. The sorting device (2) includes an NG sorting mechanism (21), a qualified sorting station (22) and an NG sorting station (23). The NG sorting mechanism (21) is provided with a sorting feed end (213), a qualified discharge end (214) and an NG discharge end (212). The qualified sorting station (22) is located next to the qualified discharge end (214), and the NG sorting station (23) is located on one side of the NG discharge end (212). The two ends of the detection conveyor belt (12) are respectively provided with a conveyor output end (121) and a conveyor input end (122). The sorting feed end (213) of the NG sorting mechanism (21) is connected to the conveyor output end (121) of the detection conveyor belt (12).

2. The automatic fabrication inspection machine for parallel detection according to claim 1, characterized in that: The detection device (1) is provided with at least two upper supplementary lighting mechanisms (3), which are respectively located on the side of the appearance detection mechanism (13) and the shape detection mechanism (14).

3. The automatic fabric piece inspection machine with parallel inspection according to claim 2, characterized in that: The upper supplementary lighting mechanism (3) includes a supplementary lighting gantry (31) and a supplementary lighting strip (32). The two ends of the supplementary lighting gantry (31) are respectively set on the left and right sides of the detection conveyor belt (12). The supplementary lighting strip (32) is rotatably installed on the upper part of the supplementary lighting gantry (31) and the supplementary lighting strip (32) passes through the detection conveyor belt (12) laterally.

4. The automatic fabric piece inspection machine with parallel inspection according to claim 1, characterized in that: The detection device (1) is also provided with a backlight supplement mechanism, which includes at least one backlight panel (4). The backlight panel (4) is located below the detection conveyor belt (12) and extends through the detection conveyor belt (12) in the longitudinal direction.

5. The automatic fabric piece inspection machine with parallel inspection according to claim 1, characterized in that: The testing machine (11) is provided with two mounting rails (15), which are respectively arranged on the left and right sides of the testing conveyor belt (12) along the longitudinal direction. The appearance testing mechanism (13) and the shape testing mechanism (14) are both fixedly installed on the two mounting rails (15).

6. The automatic fabric piece inspection machine with parallel inspection according to claim 5, characterized in that: The appearance inspection mechanism (13) includes an appearance inspection gantry (131) and an appearance inspection camera (132). The two ends of the appearance inspection gantry (131) are respectively fixedly installed on the two mounting guide rails (15). The appearance inspection camera (132) is fixedly installed at the center of the upper part of the appearance inspection gantry (131). The appearance inspection camera (132) is perpendicular to the inspection conveyor belt (12). The shape detection mechanism (14) includes a shape detection gantry (141) and a shape detection camera (142). The two ends of the shape detection gantry (141) are fixedly installed on two mounting rails (15), and the shape detection camera (142) is fixedly installed at the center of the upper part of the shape detection gantry (141). The shape detection camera (142) is perpendicular to the detection conveyor belt (12).

7. An automatic fabric piece inspection machine for parallel inspection according to any one of claims 1 to 6, characterized in that: The NG sorting mechanism (21) includes an NG sorting machine (211), multiple NG sorting components (215), multiple qualified sorting components (216), at least one NG drive component, and at least one qualified drive component. Each NG sorting component (215) and each qualified sorting component (216) is respectively disposed on the upper part of the NG sorting machine (211). Each NG sorting component (215) and each qualified sorting component (216) is rotatably mounted with a guide wheel (217). The NG drive component is connected to the guide wheel (217) of each NG sorting component (215) for transmission. Each component is connected to the guide wheel (217) of each qualified sorting component (216). The guide wheel (217) of the NG drive component is set towards the NG sorting table (23), and the guide wheel (217) of the qualified drive component is set towards the qualified sorting table (22). When the cut piece on the NG sorting machine (211) is qualified, the qualified drive component drives the guide wheel (217) of each qualified sorting component (216) to rotate. When the cut piece on the NG sorting machine (211) is unqualified, the NG drive component drives the guide wheel (217) of each NG sorting component (215) to rotate. The upper surfaces of the qualified material sorting table (22) and the NG material sorting table (23) are both inclined and have multiple sliding rollers rotatably installed on their upper surfaces.

8. The automatic fabric piece inspection machine with parallel inspection according to claim 7, characterized in that: The sorting device (2) is provided with two NG sorting stations (23), and the corresponding NG sorting mechanism (21) is provided with two NG discharge ends (212). The two NG sorting stations (23) are respectively located on one side of the two NG discharge ends (212). The guide wheels (217) of some of the NG sorting components (215) are set towards the first NG sorting station (23), and the guide wheels (217) of the other part of the NG sorting components (215) are set towards the second NG sorting station (23). The NG sorting mechanism (21) is provided with at least two NG drive components. The first NG drive component is connected to the guide wheels (217) of each of the first NG sorting stations (23), and the second NG drive component is connected to the guide wheels (217) of each of the second NG sorting stations (23). When the cut piece on the NG sorting machine (211) is marked as qualified by both the appearance inspection mechanism (13) and the shape inspection mechanism (14), the qualified drive assembly drives the guide wheels (217) of each qualified sorting assembly (216) to rotate. When the cut piece on the NG sorting station (211) is marked as qualified by the appearance inspection mechanism (13) and as unqualified by the shape inspection mechanism (14), the first NG drive assembly drives the guide wheel (217) of each first NG sorting station (23) to rotate. When the cut piece on the NG sorting station (211) is marked as unqualified by the appearance inspection mechanism (13) and as qualified by the shape inspection mechanism (14), the second NG drive assembly drives the guide wheels (217) of each second NG sorting station (23) to rotate.

9. The automatic fabrication inspection machine for parallel detection according to claim 7, characterized in that: The detection device (1) is also provided with a protective cover (16), which is located on the upper part of the detection machine (11). The conveying input end (122) of the detection conveyor belt (12) extends to the outside of the protective cover (16), and the detection conveyor belt (12) protruding from the detection machine (11) forms a feeding area (123).

10. The automatic fabric piece inspection machine with parallel detection according to claim 7, characterized in that: The detection conveyor belt (12) is provided with a feed sensor (171) at the conveying input end (122) and a discharge sensor (172) at the conveying output end (121) of the detection conveyor belt (12). A feed sensor (173) is provided in the middle of the detection conveyor belt (12). The feed sensor (173) is located between the appearance detection mechanism (13) and the shape detection mechanism (14). The feed sensor (171), discharge sensor (172) and feed sensor (173) are electrically connected to the control device.

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