A new type of testing apparatus

By setting a sliding and adjustable light-shielding component and a transparent plate protection structure under the light panel, the problem of low accuracy and efficiency in detecting high-transmittance fabrics by traditional fabric inspection equipment is solved. It realizes automatic adjustment and stable light shading of the light and dark contrast background, and improves the detection effect.

CN224337993UActive Publication Date: 2026-06-09WUJIANG PIAOYI TEXTILE CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUJIANG PIAOYI TEXTILE CO LTD
Filing Date
2025-07-16
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Traditional fabric inspection equipment struggles to clearly reveal defects in highly translucent fabrics and lacks flexible adjustment of the lighting area, affecting inspection accuracy and efficiency.

Method used

The light panel is divided into a light-transmitting area and an opaque area by a sliding and adjustable light-shielding component. The light-shading plate creates a contrasting background through coordinated movement, and automatic adjustment is achieved by motor drive. Combined with a transparent plate, the light panel is protected from dust contamination.

Benefits of technology

It significantly improves the accuracy and efficiency of defect identification for high-transmittance fabrics, ensures the stability and adaptability of the light-shielding plate, and is suitable for different fabric inspection scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a novel inspection device, relating to the field of fabric inspection technology. The device includes a support frame with a feeding roller rotatably mounted at one end and a receiving assembly at the other end. A lighting mechanism is located in the middle of the support frame, between the receiving assembly and the feeding roller. The lighting mechanism includes a mounting frame fixed to the support frame, a lamp holder fixedly mounted within the mounting frame, and a lamp panel within the lamp holder. A groove is formed on the lower side of the lamp holder, and light-shielding components are slidably mounted at both ends of the groove. These light-shielding components block some of the light from below the lamp panel, dividing the illuminated area of ​​the lamp panel into a translucent area and an opaque area. This utility model, by using adjustable light-shielding components, divides the light-emitting surface of the lamp panel into translucent and opaque areas, creating a contrasting background and significantly improving the accuracy and efficiency of defect detection in high-transmittance fabrics.
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Description

Technical Field

[0001] This utility model relates to the field of fabric inspection technology, and in particular to a novel inspection device. Background Technology

[0002] Currently, in the textile industry, fabric quality inspection equipment with backlighting is usually used to identify defects by illuminating the fabric surface with a light source.

[0003] However, traditional fabric inspection equipment has obvious limitations for some fabrics with high light transmittance (such as tulle, chiffon, lace, etc.). Because light can easily penetrate the fabric, it is difficult to clearly show problems such as surface defects, holes or uneven density, which affects the accuracy and efficiency of the inspection.

[0004] In addition, the light source structure of existing fabric inspection equipment is mostly general illumination, which lacks the function of flexible adjustment of the illumination area. It is difficult to adjust the appropriate contrast background according to the fabric with different light transmittance, thus reducing the accuracy of defect identification. Utility Model Content

[0005] This utility model provides a novel inspection device, including a support frame. A feeding roller is rotatably mounted on one end of the support frame, and a receiving assembly is mounted on the other end of the support frame. An illumination mechanism is mounted in the middle of the support frame, located between the receiving assembly and the feeding roller. The illumination mechanism includes a mounting frame fixed on the support frame, a lamp holder fixedly mounted inside the mounting frame, a lamp plate mounted inside the lamp holder, a sliding groove on the lower side of the lamp holder, and light-shielding components slidably mounted at both ends of the sliding groove. The light-shielding components are used to block part of the light below the lamp plate, so as to divide the illumination area of ​​the lamp plate into a light-transmitting area and an opaque area.

[0006] Preferably, the light-shielding assembly includes a light-shielding plate one that slides in a groove, an L-shaped groove on one side of the light-shielding plate one, one end of the L-shaped groove extending to the side of the light-shielding plate one, a light-shielding plate two on one side of the light-shielding plate one, and a slider fixedly provided on one side of the light-shielding plate two, the slider sliding in the L-shaped groove.

[0007] Preferably, a protrusion is fixedly provided on the inner wall of one side of the L-shaped groove of the light-shielding plate, and the protrusion is inserted into the insertion hole opened on the rear side of the slide bar.

[0008] Preferably, a positioning pin is fixedly provided at the other end of the L-shaped groove, and one end of the positioning pin is inserted into a socket at one end of the slide bar.

[0009] Preferably, a bidirectional lead screw is rotatably installed in the slide groove, and the two ends of the bidirectional lead screw are respectively threaded to the lower side of the light shield. A driven wheel is fixedly connected to one end of the bidirectional lead screw, and a driving wheel is rotatably provided on one side of the lamp holder. The driving wheel meshes with the driven wheel after being driven by a motor.

[0010] Preferably, a transparent plate is installed on the mounting bracket, the transparent plate seals the light plate, and an elongated through hole is formed on the transparent plate.

[0011] Preferably, the lamp holder and the mounting bracket are respectively provided with symmetrical through slot two and through slot one.

[0012] Preferably, the upper end of the mounting frame is provided with a positioning element, which includes a rod fixed to the upper end of the mounting frame, a sliding sleeve slidably mounted on the rod, and a positioning wheel rotatably mounted on the lower end of the sliding sleeve.

[0013] Preferably, the receiving assembly includes a pair of rotating rollers on the upper end of the support, and each end of the pair of rollers is provided with a gear. The two sets of gears mesh with each other after being driven by a motor.

[0014] Preferably, an adjusting rod is fixedly provided on one side of the bracket, two sets of positioning plates are slidably provided on the adjusting rod, and several positioning holes are opened on the adjusting rod. A pin passes through the positioning plate and is inserted into the corresponding positioning hole.

[0015] This utility model provides a novel testing device, which, compared with the prior art, has the following advantages:

[0016] 1. This utility model, by installing a sliding and adjustable light-shielding component below the lamp holder, can flexibly control the lighting area, dividing the light-emitting surface of the lamp panel into a light-transmitting area and an opaque area. This creates a good contrast background when inspecting highly light-transmitting fabrics, significantly improving the accuracy and efficiency of fabric defect identification. The light-shielding component adopts a structural design with an L-shaped groove and a sliding strip, allowing the second light-shielding plate to move in tandem with the first light-shielding plate in the horizontal direction, effectively blocking light from below the lamp panel. Simultaneously, the limiting fit structure between the protrusion and the first insertion hole ensures the positioning stability of the second light-shielding plate in the working state, preventing it from loosening during use.

[0017] 2. This utility model has a sealed transparent plate in the light-emitting mechanism, which can protect the internal light plate from dust pollution without affecting the light transmission. The long through hole on the transparent plate makes it easy to pull out the second light-shielding plate. The through groove structure on the mounting bracket and the light frame makes it easy to move the light-shielding component away from the light plate, thus making it suitable for different fabric inspection scenarios. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the lighting assembly structure according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram showing the disassembled structure of the lighting assembly according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the lamp board structure according to an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the light-shielding component structure according to an embodiment of the present utility model;

[0024] Figure 6 This is a schematic diagram showing the disassembled structure of the light-shielding component according to an embodiment of the present utility model;

[0025] Figure 7 This is a partial schematic diagram of the structure of a light-shielding plate according to an embodiment of the present utility model;

[0026] Figure 8 This is a partial schematic diagram of the structure of the second light-shielding plate according to an embodiment of the present utility model;

[0027] Figure 9 This is a schematic diagram of the material receiving component structure according to an embodiment of the present utility model.

[0028] Figure label:

[0029] 1. Bracket; 2. Receiving assembly; 21. Rotary roller; 22. Gear; 23. Adjusting rod; 24. Positioning plate; 25. Positioning hole; 26. Pin; 3. Feeding roller; 4. Illumination mechanism; 41. Mounting bracket; 411. Positioning component; 42. Through slot one; 43. Lamp holder; 431. Through slot two; 432. Slide groove; 44. Lamp plate; 45. Light shield one; 451. L-shaped groove; 452. Protrusion; 453. Positioning pin; 46. Light shield two; 461. Sliding strip; 462. Insertion hole one; 463. Insertion hole two; 47. Transparent plate; 48. Long through hole; 49. Two-way lead screw; 491. Driving wheel; 492. Driven wheel. Detailed Implementation

[0030] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0031] Please refer to Figures 1-9This utility model provides a novel inspection device, including a support 1. One end of the support 1 is rotatably equipped with a feeding roller 3 for placing the fabric roll to be inspected. The other end of the support 1 is equipped with a take-up assembly 2 for rewinding the inspected fabric. A lighting mechanism 4 is fixedly installed in the middle of the support 1, which is located between the feeding roller 3 and the take-up assembly 2 to provide an illumination background for the fabric, facilitating defect identification.

[0032] In use, the operator can pull the fabric to be tested out from the feed roller 3 and pass it around the tension roller and guide roller on the bracket 1 in sequence, and finally wrap one end of the fabric around the roll in the take-up assembly 2, so that the fabric is flatly attached to the light-emitting mechanism 4 for inspection.

[0033] like Figure 9 As shown, the take-up assembly 2 includes a pair of rotatable rollers 21 mounted on the upper end of the bracket 1. The ends of the two sets of rollers 21 are provided with gears 22. The two gears 22 mesh with each other after being driven by a motor to achieve synchronous rotation, thereby driving the fabric to be rolled up evenly.

[0034] In addition, an adjusting rod 23 is fixedly provided on one side of the bracket 1. Two sets of positioning plates 24 are slidably provided on the adjusting rod 23. Multiple positioning holes 25 are provided on the adjusting rod 23. The pin 26 passes through the positioning plate 24 and is inserted into the corresponding positioning hole 25 to adjust the distance between the two sets of positioning plates 24 according to the length of the roll used, so that they fit against both ends of the roll respectively, preventing the roll from shifting during the winding process and improving the adaptability and stability of the equipment.

[0035] The lighting mechanism 4 includes a mounting bracket 41 fixedly mounted on the bracket 1. The mounting bracket 41 has a lamp holder 43 inside, and a lamp plate 44 is installed inside the lamp holder 43 to provide a backlight. A sliding groove 432 extending along its length is opened on the lower side of the lamp holder 43. Light-shielding components are slidably arranged at both ends of the sliding groove 432 to block part of the light below the lamp plate 44, thereby dividing the illumination area of ​​the lamp plate 44 into a light-transmitting area and an opaque area, forming a light-dark contrast background and improving the accuracy of identifying defects in highly light-transmitting fabrics.

[0036] Each light-shielding component includes a light-shielding plate 45 that is slidably disposed in a groove 432. An L-shaped groove 451 is provided on one side of the light-shielding plate 45, one end of which extends to the side of the light-shielding plate 45. A second light-shielding plate 46 is provided on one side of the light-shielding plate 45, and a slider 461 is provided on one side of the second light-shielding plate 46. The slider 461 can slide in the L-shaped groove 451 to realize the extension and retraction adjustment of the second light-shielding plate 46 relative to the first light-shielding plate 45.

[0037] When not in use, the second light shield 46 can be stored inside the first light shield 45. When needed, the second light shield 46 can be slid out, allowing the slider 461 to slide to the side of the L-shaped groove 451, thereby keeping the first light shield 45 and the second light shield 46 on the same horizontal plane. Furthermore, one side of the second light shield 46 has a groove, and the other side of the second light shield 46 has a protrusion. When the two are in contact, the protrusion can be inserted into the groove to achieve a sealed light shielding of the light below the lamp panel 44.

[0038] To enhance the positioning stability of the light-shielding assembly, a protrusion 452 is fixedly provided on the inner wall of the L-shaped groove 451 on the side of the light-shielding plate 45. The protrusion 452 is engaged with the insertion hole 462 on the rear side of the slider 461, thereby maintaining a stable state when the light-shielding plate 46 is extended for use. At the same time, a positioning pin 453 is fixedly provided at the other end of the L-shaped groove 451. One end of the positioning pin 453 can be inserted into the insertion hole 463 at the front end of the slider 461 to lock the light-shielding plate 46 in the retracted state and prevent it from loosening.

[0039] To achieve automated adjustment of the light-shielding components, a bidirectional lead screw 49 is rotatably installed in the slide groove 432. The two ends of the bidirectional lead screw 49 are threadedly connected to the lower side of the light-shielding plate 45. One end of the bidirectional lead screw 49 is fixedly connected to a driven wheel 492. A driving wheel 491 is rotatably installed on one side of the lamp holder 43. The driving wheel 491 is driven by a motor and meshes with the driven wheel 492. By controlling the forward and reverse rotation of the motor, the bidirectional lead screw 49 can be rotated, thereby driving the light-shielding plate 45 to move synchronously in the slide groove 432, realizing automatic adjustment of the light-shielding area.

[0040] The lamp holder 43 and the mounting bracket 41 are respectively provided with symmetrical through slots 431 and 42. When the light-shielding component moves with the bidirectional lead screw 49, the light-shielding plate 45 can pass through through slots 431 and 42, so that the light-emitting area of ​​the entire lamp plate 44 can be effectively utilized to meet the detection needs of different fabrics.

[0041] To protect the light panel 44 from dust contamination, while not affecting light transmission and preventing fabric wrinkles, a transparent plate 47 is installed on the mounting bracket 41. The transparent plate 47 seals the cavity containing the light panel 44 and the light-shielding component. The transparent plate 47 has an elongated through hole 48 to facilitate the pull-out operation of the light-shielding plate 46. The transparent plate 47 can be made of transparent materials such as transparent glass.

[0042] Furthermore, the upper end of the mounting frame 41 is provided with a positioning component 411. The positioning component 411 includes a rod fixed to the upper end of the mounting frame 41, a sliding sleeve slidably mounted on the rod, and a positioning wheel rotatably mounted on the lower end of the sliding sleeve. This can be used to assist in the positioning of the fabric during operation and improve the stability of feeding.

[0043] In summary, the working principle of this novel inspection device is as follows: When in use, the fabric roll is installed on the feeding roller 3, and one end of the fabric is fixed on the roll of the take-up assembly 2 after passing over the tension roller and the guide roller. After the device is started, the motor drives the gear 22 to mesh and drive the rotating roller 21 to rotate synchronously, thereby realizing the take-up of the fabric. When the fabric passes over the illumination mechanism 4, the lamp plate 44 provides a backlight. By adjusting the position of the first light shield 45 and the second light shield 46 in the light shielding assembly, the lamp plate 44 is divided into a light-transmitting area and an opaque area, forming a light-dark contrast background, thereby improving the accuracy of defect identification of high-transmittance fabric.

[0044] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A novel testing device, comprising a support (1), characterized in that: The bracket (1) has a feeding roller (3) rotatably mounted at one end and a receiving component (2) mounted at the other end. A lighting mechanism (4) is mounted in the middle of the bracket (1). The lighting mechanism (4) is located between the receiving component (2) and the feeding roller (3). The lighting mechanism (4) includes a mounting frame (41) fixed on the bracket (1). A lamp holder (43) is fixedly mounted inside the mounting frame (41). A lamp plate (44) is mounted inside the lamp holder (43). A sliding groove (432) is opened on the lower side of the lamp holder (43). A light-shielding component is slidably mounted at both ends of the sliding groove (432). The light-shielding component is used to block part of the light below the lamp plate (44) so ​​as to divide the lighting area of ​​the lamp plate (44) into a light-transmitting area and an opaque area.

2. The novel testing equipment according to claim 1, characterized in that: The light-shielding assembly includes a light-shielding plate 1 (45) that slides in a slide groove (432). An L-shaped groove (451) is provided on one side of the light-shielding plate 1 (45). One end of the L-shaped groove (451) extends to the side of the light-shielding plate 1 (45). A light-shielding plate 2 (46) is provided on one side of the light-shielding plate 1 (45). A slider (461) is fixedly provided on one side of the light-shielding plate 2 (46). The slider (461) slides in the L-shaped groove (451).

3. The novel testing equipment according to claim 2, characterized in that: The L-shaped groove (451) is fixedly provided with a protrusion (452) on the inner wall of the side of the light shield (45), and the protrusion (452) is inserted into the insertion hole (462) on the rear side of the slide bar (461).

4. The novel testing equipment according to claim 3, characterized in that: The other end of the L-shaped groove (451) is fixedly provided with a positioning pin (453), and one end of the positioning pin (453) is inserted into the insertion hole (463) opened at one end of the slide bar (461).

5. The novel testing equipment according to claim 4, characterized in that: A bidirectional lead screw (49) is rotatably installed in the slide groove (432). The two ends of the bidirectional lead screw (49) are respectively threaded to the lower side of the light shield (45). A driven wheel (492) is fixedly connected to one end of the bidirectional lead screw (49). A driving wheel (491) is rotatably installed on one side of the lamp holder (43). The driving wheel (491) meshes with the driven wheel (492) after being driven by a motor.

6. The novel testing equipment according to claim 1, characterized in that: A transparent plate (47) is installed on the mounting bracket (41), the transparent plate (47) seals the lamp plate (44), and a long through hole (48) is opened on the transparent plate (47).

7. The novel testing equipment according to claim 1, characterized in that: The lamp holder (43) and the mounting bracket (41) are respectively provided with symmetrical through slots two (431) and through slot one (42).

8. The novel testing equipment according to claim 7, characterized in that: The upper end of the mounting frame (41) is provided with a positioning element (411). The positioning element (411) includes a rod fixed to the upper end of the mounting frame (41), a sliding sleeve is slidably installed on the rod, and a positioning wheel is rotatably installed at the lower end of the sliding sleeve.

9. The novel testing equipment according to claim 1, characterized in that: The receiving assembly (2) includes a pair of rotating rollers (21) that rotate on the upper end of the support (1). The ends of the pair of rollers (21) are provided with gears (22), and the two sets of gears (22) mesh with each other after being driven by a motor.

10. The novel testing equipment according to claim 9, characterized in that: An adjusting rod (23) is fixedly installed on one side of the bracket (1). Two sets of positioning plates (24) are slidably installed on the adjusting rod (23). Several positioning holes (25) are opened on the adjusting rod (23). A pin (26) passes through the positioning plate (24) and is inserted into the corresponding positioning hole (25).