A watchband flaw automatic visual detection device
By designing an automated visual inspection device for watch strap defects, combining a visual inspection unit and a fixture unit, the problems of time-consuming and labor-intensive manual inspection and the inflexibility of existing devices are solved. This enables efficient and accurate inspection of watch straps of different lengths, improving inspection efficiency and accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU XIAOCREATE OPTOELECTRONICS TECH
- Filing Date
- 2025-06-04
- Publication Date
- 2026-07-07
AI Technical Summary
Current watch strap defect detection relies on manual inspection, which is time-consuming, labor-intensive, has inconsistent inspection standards, and is inefficient. Furthermore, existing visual inspection devices lack flexibility and are difficult to adapt to watch straps of different lengths and widths.
An automated visual inspection device for watch strap defects was designed. Combining a visual inspection unit and a clamping unit, it achieves automatic adaptive inspection of watch straps of different lengths through components such as a telescopic bracket, a rotary cylinder, a rotating platform, a pneumatic parallel clamp, and a manual slide. Combined with a supplementary lighting unit, it ensures good lighting conditions.
It enables automated, rapid, and accurate detection of defects in watch straps, improving detection efficiency and accuracy, reducing labor costs, and enhancing the versatility and flexibility of the device.
Smart Images

Figure CN224471563U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of industrial visual inspection, and in particular to an automated visual inspection device for defects in watch straps. Background Technology
[0002] In the watch manufacturing industry, the inspection of defects in watch straps mainly relies on manual visual inspection. This process is not only time-consuming and labor-intensive, but also requires a high level of experience and concentration from the inspectors. The inherent drawbacks of manual inspection, such as its strong subjectivity and susceptibility to fatigue, often lead to inconsistent inspection standards, making it difficult to guarantee the accuracy and consistency of the results. This is especially true for minor defects such as tiny scratches, color differences, and deformations, where manual inspection often falls short and is inefficient.
[0003] In the field of watch strap inspection, visual inspection technology can quickly and accurately identify surface defects, greatly improving inspection efficiency and accuracy. However, most existing visual inspection devices are designed for specific sizes or types of watch straps, lacking flexibility and making it difficult to adapt to the diverse needs of watch straps of different lengths in the market. This is mainly reflected in the limited range of adjustment of the fixing fixtures, camera position, and angle of the inspection device, making it impossible to effectively inspect watch straps of different widths and lengths without changing equipment or making complex adjustments. This limits the widespread application of visual inspection technology in watch strap defect detection.
[0004] Therefore, developing a visual inspection device that can automatically adapt to watch straps of different lengths and efficiently and accurately detect surface defects is a technical problem that urgently needs to be solved by those skilled in the art to address the above-mentioned issues and improve the quality control level of watch manufacturing. Utility Model Content
[0005] To address the problems existing in the background art, this utility model provides an automated visual inspection device for watch strap defects, thereby solving the difficulties and inefficiencies of manual inspection of watch strap defects in the prior art. The device includes a visual inspection unit and a clamping unit, wherein the clamping unit is used to hold the part to be tested, and the visual inspection unit is used to inspect the part.
[0006] Furthermore, the vision inspection unit includes a first base, on which a telescopic bracket is provided. A camera clamp is provided above the telescopic bracket, and an industrial camera is clamped in the camera clamp. The industrial camera is aligned with the fixture unit. The fixture unit includes a fixture base, on which a rotary cylinder is provided. A rotating platform is provided on the rotary cylinder. A fixing pin is provided on the left side of the rotating platform, and a pneumatic parallel clamp is provided on the right side of the rotating platform. A manual slide is provided below the pneumatic parallel clamp, and the manual slide can drive the pneumatic parallel clamp to move left and right.
[0007] In use, one end of the watch strap to be tested is fixed in the fixing pin, and the other end is clamped on the pneumatic parallel clamp. The watch strap to be tested is tensioned by moving the manual slide left and right, so as to adapt to watch straps of different lengths.
[0008] Furthermore, the manual slide table includes a slide table base, a slide table is provided on the top of the slide table base, the slide table base and the slide table are connected by a dovetail groove, two tightening nuts are provided on the side of the slide table, the tightening nuts are used to fix the position between the slide table and the slide table base, and a handle is also provided on the side of the tightening nuts, the handle is used to adjust the position of the slide table.
[0009] Furthermore, a vertical plate is provided at the lower part of the fixing pin. The vertical plate is "L"-shaped and is used to raise the fixing pin so that the position of the fixing pin is consistent with the height of the pneumatic parallel clamp.
[0010] Furthermore, the device also includes a slide section, which includes a linear slide. The clamping section is disposed on the linear slide, and a servo motor is disposed on one side of the linear slide. The clamping section moves left and right on the linear slide under the drive of the servo motor.
[0011] Preferably, the device further includes a supplementary lighting unit, which is disposed between the visual inspection unit and the clamping unit. The supplementary lighting unit includes a second base, a folding arm is disposed above the second base, and a supplementary light is disposed above the folding arm. The folding arm is a double-arm folding structure used to control the height of the supplementary light.
[0012] Preferably, the supplementary light is ring-shaped, and the industrial camera takes pictures of the workpiece being inspected held on the fixture through the inner circular hole of the supplementary light.
[0013] The advantages and beneficial effects of this utility model are as follows: By combining the visual inspection unit and the clamping unit, this utility model achieves automated detection of defects in watch straps, significantly improving inspection efficiency and reducing the cost and time consumption of manual inspection. The clamping unit, through the cooperation of a manual slide and a pneumatic parallel clamp, allows for easy adjustment of the clamping position to accommodate watch straps of different lengths, improving the versatility and flexibility of the device. Simultaneously, the design of the upright plate ensures that the height of the fixing pin and the pneumatic parallel clamp are consistent, guaranteeing the positional accuracy of the inspected part during visual inspection. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the present invention.
[0016] Figure 2 This is a side view of the present invention.
[0017] Figure 3 This is a schematic diagram of the clamping part of this utility model.
[0018] Among them, 1-vision inspection unit, 11-first base, 12-telescopic bracket, 13-camera clamp, 14-industrial camera, 2-clamping unit, 21-clamping base, 22-rotary cylinder, 23-rotating platform, 24-fixing pin, 25-pneumatic parallel clamp, 26-manual slide, 261-slide base, 262-slide, 263-tightening nut, 264-handle, 27-vertical plate, 3-slide unit, 31-linear slide, 32-servo motor, 4-lighting unit, 41-second base, 42-folding arm, 43-lighting lamp. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. In addition, it should be understood that the specific embodiments described herein are only for illustration and explanation of the present utility model and are not intended to limit the present utility model. In the present utility model, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, specifically the drawing directions in the accompanying drawings; while "inner" and "outer" refer to the outline of the device.
[0020] like Figure 1 , Figure 2 and Figure 3 As shown, the equipment mainly includes a vision inspection unit 1, a fixture unit 2, a slide unit 3, and a supplementary lighting unit 4.
[0021] In the vision inspection unit 1, the first base 11 serves as the supporting foundation for the vision inspection unit. A telescopic bracket 12 is mounted on the first base 11 and is used to adjust the height and angle of the industrial camera 14. A camera clamp 13 is fixed above the telescopic bracket 12 to securely hold the industrial camera 14. The industrial camera 14 is mounted in the camera clamp 13, aligned with the clamping unit 2, and is responsible for capturing images of the watch strap for analysis.
[0022] In the clamping section 2, the clamping base 21 serves as the main support for the clamping section. A rotary cylinder 22 is mounted above the clamping base 21, driving the rotating platform 23 to rotate and achieve a full-range display of the watch strap. A fixing pin 24 is located on the left side of the rotating platform 23 to secure one end of the watch strap. A pneumatic parallel clamp 25 is located on the right side of the rotating platform 23 to clamp the other end of the watch strap. An L-shaped upright plate 27 is installed below the fixing pin 24 to raise the fixing pin 24, making it level with the pneumatic parallel clamp 25.
[0023] The manual slide 26 is mounted on the fixture base 21 and includes a slide base 261 and a slide 262 that can slide on it. The slide 262 is connected to the slide base 261 via a dovetail groove and is fixed in position by tightening the nut 263. A handle 264 is provided on the side of the tightening nut 263 for easy adjustment of the position of the slide 262.
[0024] In the slide section 3, the linear slide 31 serves as the moving track for the clamping section 2. A servo motor 32 is mounted on one side of the linear slide 31, driving the clamping section 2 to move left and right on the linear slide 31, controlling the position of the item being inspected, and realizing continuous inspection of the watch strap.
[0025] The second base 41 in the supplementary lighting section 4 serves as a support for the supplementary lighting section. The folding arm 42 is mounted above the second base 41 and has a double-arm folding structure, used to adjust the height and angle of the supplementary light 43. The supplementary light 43 is mounted above the folding arm 42 and is ring-shaped. The industrial camera 14 can photograph the watch strap clamped on the fixture section 2 through its internal circular hole, ensuring good lighting conditions.
[0026] Specific usage steps:
[0027] First, insert one end of the watch strap to be tested into the retaining pin 24 and secure it, while placing the other end in the pneumatic parallel clamp 25 and clamping it. Adjust the position of the manual slide 26 using the handle 264, allowing the slide 262 to slide on the slide base 261, thereby tensioning or loosening the watch strap to accommodate different lengths. After adjustment, tighten the tightening nut 263 to secure the position of the slide 262. If necessary, adjust the height and angle of the supplementary light 43 using the folding arm 42 to ensure uniform and sufficient illumination.
[0028] The starting device activates the rotary cylinder 22, which drives the rotating platform 23 to rotate, exposing the watch strap to the industrial camera 14 from all angles. Simultaneously, the servo motor 32 drives the clamping unit 2 to move left and right on the linear slide 31, moving the watch strap to be inspected to the position where the industrial camera will capture the image. The industrial camera 14 captures a high-definition image of the watch strap through the internal circular hole of the supplementary light 43, and transmits the image data to the processing system for analysis, thereby quickly and accurately identifying defects on the watch strap.
[0029] The above provides a detailed description of the automated visual inspection device for watch strap defects provided by this utility model. Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the embodiments above are merely for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that those skilled in the art can make various improvements and modifications to this invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this utility model.
Claims
1. An automated visual inspection device for watch strap defects, comprising a visual inspection unit (1) and a clamping unit (2), wherein the visual inspection unit (1) includes a first base (11), a telescopic bracket (12) is provided on the first base (11), a camera clamp (13) is provided above the telescopic bracket (12), an industrial camera (14) is clamped in the camera clamp (13), and the industrial camera (14) is aligned with the clamping unit (2), characterized in that, The clamping part (2) includes a clamping base (21), a rotary cylinder (22) is provided above the clamping base (21), a rotating platform (23) is provided on the rotary cylinder (22), a fixing pin (24) is provided on the left side of the rotating platform (23), a pneumatic parallel clamp (25) is provided on the right side of the rotating platform (23), and a manual slide (26) is provided below the pneumatic parallel clamp (25).
2. The automated visual inspection device for watch strap defects according to claim 1, characterized in that, The manual slide (26) includes a slide base (261), and a slide (262) is provided above the slide base (261). The slide base (261) and the slide (262) are connected by a dovetail groove. Two tightening nuts (263) are provided on the side of the slide (262). The tightening nuts (263) are used to fix the position between the slide (262) and the slide base (261). A handle (264) is also provided on the side of the tightening nuts (263).
3. The automated visual inspection device for watch strap defects according to claim 2, characterized in that, The lower part of the fixing pin (24) is provided with a vertical plate (27), which is "L" shaped.
4. The automated visual inspection device for watch strap defects according to claim 3, characterized in that, The device also includes a slide section (3), which includes a linear slide (31). The clamp section (2) is disposed on the linear slide (31), and a servo motor (32) is disposed on one side of the linear slide (31).
5. An automated visual inspection device for watch strap defects according to any one of claims 1 to 4, characterized in that, The device also includes a supplementary light section (4), which is disposed between the visual detection section (1) and the clamp section (2). The supplementary light section (4) includes a second base (41), a folding arm (42) is disposed above the second base (41), and a supplementary light (43) is disposed above the folding arm (42). The folding arm (42) is a double-arm folding structure.
6. The automated visual inspection device for watch strap defects according to claim 5, characterized in that, The supplementary light (43) is in the shape of a ring.