Character defect automatic detection equipment applied to 3C industry

By designing an automatic character defect detection device, and employing conveyor belts, visual inspection devices, and deep learning algorithms, the problem of time-consuming and labor-intensive manual inspection in the 3C industry has been solved, achieving efficient and accurate character defect detection.

CN224272265UActive Publication Date: 2026-05-26SICHUAN CHANGYANG INTELLIGENT TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN CHANGYANG INTELLIGENT TECH CO LTD
Filing Date
2025-06-19
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

In the 3C industry, the detection of characters on the product surface relies on manual visual inspection, which is time-consuming and labor-intensive, and prone to missed detections or misjudgments, making it difficult to meet the needs of mass production.

Method used

Design an automatic character defect detection device, which uses components such as conveyor belt, vision inspection device, lifting mechanism, camera and supplementary light plate, combined with deep learning algorithm to realize automatic material preparation, conveying, detection and sorting, and ensure high accuracy of character defect detection.

Benefits of technology

It achieves automated character defect detection, adapts to mass production, reduces manual intervention, improves detection efficiency and accuracy, and supports the detection needs of products with different shapes and sizes.

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Abstract

The utility model discloses automatic character defect detection equipment applied to the 3C industry, which belongs to the technical field of automatic detection equipment and comprises a rack, a conveying belt is mounted in the middle of the rack, a vertical frame is arranged at the upper end of the rack, a first lifting mechanism is mounted in the middle of the vertical frame, and a top camera is connected to the upper end of a sliding block of the first lifting mechanism. A vertical frame is arranged at the upper end of the machine frame, visual detection devices are arranged on the positions, located on the two sides of the vertical frame, of the side edge of the machine frame, guiding devices are arranged on the positions, located on the two sides of the vertical frame, of the upper end of the machine frame, and a data processing box is arranged below the visual detection devices. By combining an industrial camera and a deep learning algorithm, high accuracy of character defect detection is ensured, the whole process of material arrangement, conveying, detection, sorting and the like is automatically completed, manual intervention is remarkably reduced, rapid parameter adjustment is supported, and 3C product character detection requirements of different shapes and sizes are met.
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Description

Technical Field

[0001] This utility model belongs to the field of automatic inspection equipment technology, specifically relating to an automatic character defect detection device used in the 3C industry. Background Technology

[0002] In the manufacturing and assembly process of the 3C industry, the quality of the characters on the product surface (such as product logos, model numbers, button characters, etc.) is an important factor affecting the product's appearance and function. The characters may have the following defects: printing misalignment, blurriness, missing or damaged characters, contamination or foreign matter.

[0003] However, manual character inspection requires visual inspection one by one, which is time-consuming and labor-intensive. Manual inspection is affected by operator experience and fatigue, and is prone to missed inspections or misjudgments. Manual inspection is difficult to adapt to the needs of mass production of different products quickly. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides an automatic character defect detection device for the 3C industry. It features seamless integration of automatic material handling and assembly line conveying, adaptability to mass production needs, high accuracy in character defect detection, support for rapid parameter adjustment, and adaptability to the character detection requirements of 3C products of different shapes and sizes.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic character defect detection device for the C industry, comprising a frame, a conveyor belt installed in the middle of the frame, a vertical frame at the upper end of the frame, a lifting mechanism installed in the middle of the vertical frame, a top camera connected to the upper end of the slider of the lifting mechanism, visual inspection devices installed on the sides of the frame located on both sides of the vertical frame, guide devices installed at the upper end of the frame located on both sides of the vertical frame, and a data processing box installed below the visual inspection devices.

[0006] Preferably, the guiding device includes a first fixed frame, a guide rod, a guide plate, and a second fixed frame. The first fixed frame is installed at the upper end of the frame in the discharge direction, and the second fixed frame is installed at the upper end of the frame in the feed direction. A guide rod is installed between the first fixed frame and the second fixed frame, and a guide plate is provided on the side of the second fixed frame at a position corresponding to the guide rod.

[0007] Preferably, the visual inspection device includes a side support, a second lifting mechanism, and an inspection camera. The frame is provided with side supports on both sides of the upright, and the second lifting mechanism is installed in the middle of the side supports. The slider of the second lifting mechanism is connected to the inspection camera.

[0008] Preferably, warning lights are provided on both sides of the upper end of the support frame.

[0009] Preferably, the upper end of the side bracket is provided with a fill light plate located on the side of the detection camera, and the fill light plate has a through groove in the middle to facilitate the detection camera's shooting.

[0010] Preferably, the lower end of the slider of the lifting mechanism is connected to a sorting mechanism, and the sorting mechanism is connected to an external air pump through an air pipe.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention enables seamless integration of automatic material preparation and assembly line conveying, adapting to the needs of mass production. Combining industrial cameras and deep learning algorithms, it ensures high accuracy in character defect detection, automatically completing the entire process of material preparation, conveying, detection, and sorting, significantly reducing manual intervention, supporting rapid parameter adjustment, and adapting to the character detection needs of 3C products of different shapes and sizes. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This utility model Figure 1 Enlarged view of point A;

[0015] Figure 3 This utility model Figure 1 Enlarged view of point B;

[0016] In the diagram: 1. Frame; 2. Conveyor belt; 3. Guiding device; 31. Fixed frame one; 32. Guide rod; 33. Guide plate; 34. Fixed frame two; 4. Vision inspection device; 41. Side support; 42. Lifting mechanism two; 43. Inspection camera; 5. Data processing box; 6. Stand; 7. Warning light; 8. Top camera; 9. Lifting mechanism one; 10. Sorting mechanism; 11. Fill light plate. Detailed Implementation

[0017] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Example 1

[0019] Please see Figure 1-3The present invention provides the following technical solution: an automatic character defect detection device for the 3C industry, comprising a frame 1, a conveyor belt 2 installed in the middle of the frame 1, a stand 6 set at the upper end of the frame 1, a lifting mechanism 9 installed in the middle of the stand 6, a top camera 8 connected to the upper end of the slider of the lifting mechanism 9, a visual inspection device 4 set on the sides of the frame 1 located on both sides of the stand 6, a guide device 3 set at the upper end of the frame 1 located on both sides of the stand 6, and a data processing box 5 set below the visual inspection device 4.

[0020] Specifically, the guiding device 3 includes a first fixed frame 31, a guide rod 32, a guide plate 33, and a second fixed frame 34. The first fixed frame 31 is installed at the upper end of the frame 1 in the discharge direction, and the second fixed frame 34 is installed at the upper end of the frame 1 in the feed direction. The guide rod 32 is installed between the first fixed frame 31 and the second fixed frame 34. The guide plate 33 is provided on the side of the second fixed frame 34 at a position corresponding to the guide rod 32.

[0021] By adopting the above technical solution, the guide plate 33 guides the product, the guide rod 32 limits the product, and the sorting mechanism 10 organizes and stands up the randomly placed incoming products to ensure that the characters on the product face are facing the same direction, which is convenient for subsequent inspection.

[0022] Specifically, the visual inspection device 4 includes a side bracket 41, a second lifting mechanism 42, and an inspection camera 43. The frame 1 is provided with side brackets 41 on both sides of the upright frame 6. The second lifting mechanism 42 is installed in the middle of the side brackets 41, and the slider of the second lifting mechanism 42 is connected to the inspection camera 43.

[0023] By adopting the above technical solution, the second lifting mechanism 42 extends and retracts to move the detection camera 43, and the first lifting mechanism 9 extends and retracts to move the top camera 8. The detection camera 43 and the top camera 8 capture high-definition images of the characters on the product surface.

[0024] Specifically, warning lights 7 are installed on both sides of the upper end of the support frame 6.

[0025] By adopting the above technical solution, the warning light 7 displays the working status.

[0026] Specifically, a fill light plate 11 is provided on the upper end of the side bracket 41, located on the side of the detection camera 43, and a through slot is provided in the middle of the fill light plate 11 to facilitate shooting by the detection camera 43.

[0027] By adopting the above technical solution and combining it with the fill light plate 11, the shooting quality is improved, and the contrast and detail clarity of the characters are enhanced.

[0028] Specifically, the lower end of the slider of the lifting mechanism 9 is connected to the sorting mechanism 10, and the sorting mechanism 10 is connected to an external air pump through an air pipe.

[0029] By adopting the above technical solution, defective products are automatically sorted to the waste area by the sorting mechanism 10.

[0030] The working principle and usage process of this utility model are as follows: When in use, the guide plate 33 provides guidance, the guide rod 32 provides limiting, and the sorting mechanism 10 organizes and stands up the randomly placed incoming products, ensuring that the characters on the products face the same direction for easy subsequent inspection. Sensors are equipped to monitor the product posture in real time, ensuring that each product is in the correct position after being organized. The conveyor belt 2 transports the upright products along a set trajectory to the inspection area, supporting continuous conveying of multiple batches of products. The speed and spacing are adjusted according to the product size. The second lifting mechanism 42 extends and retracts to move the inspection camera 43. The first lifting mechanism... The telescopic mechanism 9 moves the top camera 8, capturing high-definition images of characters on the product surface through the detection camera 43 and the top camera 8. Combined with the fill light plate 11, the contrast and detail clarity of the characters are enhanced. Deep learning or template matching algorithms are used to detect and classify character defects. The warning light 7 displays the working status. The data processing box 5 coordinates the work of the vision inspection device 4, the top camera 8, the conveyor belt 2, and the sorting mechanism 10. The detection results are automatically classified and recorded, supporting defect statistics and analysis. After the inspection is completed, the defective products are automatically sorted to the waste area by the sorting mechanism 10.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic character defect detection device applied in 3C industry, comprising a rack (1), characterized in that: A conveyor belt (2) is installed in the middle of the frame (1), a stand (6) is set at the upper end of the frame (1), a lifting mechanism (9) is installed in the middle of the stand (6), a top camera (8) is connected to the upper end of the slider of the lifting mechanism (9), a visual inspection device (4) is set on the side of the frame (1) on both sides of the stand (6), a guide device (3) is set at the upper end of the frame (1) on both sides of the stand (6), and a data processing box (5) is set below the visual inspection device (4). 2.The device for automatically detecting character defects applied in the 3C industry of claim 1, wherein: The guiding device (3) includes a first fixed frame (31), a guide rod (32), a guide plate (33), and a second fixed frame (34). The first fixed frame (31) is installed at the upper end of the frame (1) in the discharge direction, and the second fixed frame (34) is installed at the upper end of the frame (1) in the feed direction. The guide rod (32) is installed between the first fixed frame (31) and the second fixed frame (34). The guide plate (33) is provided on the side of the second fixed frame (34) at a position corresponding to the guide rod (32).

3. The automatic character defect detection device applied in the 3C industry according to claim 1, characterized in that: The visual inspection device (4) includes a side bracket (41), a second lifting mechanism (42), and an inspection camera (43). The frame (1) is provided with side brackets (41) on both sides of the upright frame (6). The second lifting mechanism (42) is installed in the middle of the side brackets (41), and the slider of the second lifting mechanism (42) is connected to the inspection camera (43).

4. The automatic character defect detection device applied in the 3C industry according to claim 1, characterized in that: Warning lights (7) are provided on both sides of the upper end of the support frame (6).

5. The automatic character defect detection device applied in the 3C industry according to claim 3, characterized in that: The upper end of the side bracket (41) is provided with a fill light plate (11) located on the side of the detection camera (43), and a through slot is provided in the middle of the fill light plate (11) to facilitate the detection camera (43) to take pictures.

6. The automatic character defect detection device applied in the 3C industry according to claim 1, characterized in that: The lower end of the slider of the lifting mechanism (9) is connected to the sorting mechanism (10), and the sorting mechanism (10) is connected to an external air pump through an air pipe.