Automatic visual inspection assembly for spring

By adjusting the position and light source of the visual detection camera through the rotation and adjustment mechanism, the problem of local missed detection and image blanking of spring automation vision detection equipment when detecting springs of different sizes is solved, and high-precision image acquisition and detection are achieved.

CN223259602UActive Publication Date: 2025-08-22KUNSHAN ZEQIAO PRECISION HARDWARE SPRING CO LTD
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202421301233.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-08-22
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

Existing spring automated visual detection equipment is prone to partial missed detection or large-area blanking of the detection image when detecting springs of different sizes, which affects the detection accuracy. It is mainly due to the fixed installation of the visual detection camera, which causes the detection range to be fixed.

Method used

The rotating mechanism, lateral adjustment mechanism and vertical adjustment assembly are adopted to convey the spring through the rotating mechanism, the lateral adjustment mechanism adjusts the light source and camera position, and the vertical adjustment assembly adjusts the vertical position of the light source and camera, achieving flexible adjustment of the field of view and improving the completeness and clarity of image acquisition.

Benefits of technology

It realizes automatic adjustment of the acquisition range of the visual detection camera according to the spring size, improves the completeness and clarity of image acquisition, and improves the brightness of image through fill light, improving the accuracy of detection.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223259602U_ABST
    Figure CN223259602U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic visual detection assembly for a spring, and relates to the technical field of detection equipment. The spring conveying device comprises a machine box bottom plate and a spring body, a through hole is formed in the top face of the machine box bottom plate, and a rotating mechanism used for rotationally conveying the spring body is fixedly installed on the top face of the machine box bottom plate. Through the vertical guide rail and the two adjusting assemblies, the vertical positions of the annular light source and the visual inspection camera can be independently adjusted, the collection view field of the visual inspection camera can be adjusted, and adjustment can be conducted according to the size of a conveying spring body on the top face of the rotating mechanism; the completeness and definition of image acquisition of the spring body by the visual detection camera are improved, image acquisition of the spring body conveyed by the top surface of the rotating mechanism is carried out through the visual detection camera and the lens body, and meanwhile, light supplement is carried out through the annular light source, so that the brightness of image acquisition is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to an automatic visual detection component for springs. Background Art

[0002] Visual inspection of springs is a method that uses machine vision technology to detect spring size, appearance defects, and position status. This method uses high-resolution image acquisition equipment and advanced image processing algorithms to achieve automated and high-precision inspection of springs. The machine vision system obtains image data of the spring through a high-resolution camera and uses image processing and analysis algorithms to detect the spring.

[0003] When using existing spring automated visual inspection equipment, the visual inspection camera is often fixed by a fixed bracket so that the visual inspection camera and the detection end of the inspection equipment correspond to each other. The fixed bracket is not convenient for adjusting the position of the visual inspection camera when installing the visual inspection camera. Therefore, the detection range of the visual inspection camera is fixed. When springs of different sizes need to be inspected, it is easy to miss some parts of the spring or the detection image may have large areas of blank space, which can easily affect the accuracy of the inspection during use.

[0004] Therefore, a spring automatic visual inspection component is proposed. Utility Model Content

[0005] The purpose of the present invention is to solve the problems raised in the above background technology, and to provide a spring automatic visual inspection component.

[0006] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0007] A spring automated visual inspection component comprises a chassis bottom plate and a spring body, wherein a through hole is provided on the top surface of the chassis bottom plate, a rotating mechanism for rotating and conveying the spring body is fixedly mounted on the top surface of the chassis bottom plate, a lateral adjustment mechanism is provided on the top surface of the chassis bottom plate, and a vertical guide rail is fixedly mounted on the top surface of the movable part of the lateral adjustment mechanism, two groups of adjustment components are provided on the surface of the vertical guide rail, a ring light source is installed on the surface of the upper adjustment component, a visual inspection camera is fixedly mounted on the end of the lower adjustment component, and a lens body is provided on the surface of the visual inspection camera.

[0008] Furthermore, the rotating mechanism includes a motor frame, the motor frame is fixedly installed on the top surface of the chassis bottom plate, a servo motor is fixedly installed on the top surface of the chassis bottom plate and inside the motor frame, and a turntable is fixedly installed on the output end of the servo motor, and the surface of the turntable is provided with a rotating feeding ring.

[0009] Furthermore, the lateral adjustment mechanism includes a T-shaped guide rail, the top surface of the chassis bottom plate is fixedly installed with the T-shaped guide rail, the surface of the T-shaped guide rail is slidably installed with a first slider, and a side wall of the first slider is threaded with a first knob, and the top surface of the first slider is fixedly installed with a vertical guide rail.

[0010] Furthermore, the adjustment assembly includes a second slider, the surface sliding sleeve of the vertical guide rail is provided with the second slider, a side wall of the second slider is threadedly plugged with a mounting bracket, and the end surface of the second slider is fixedly mounted with a second knob.

[0011] Furthermore, the rotating feeding ring is arranged in a circular ring structure, and the rotating feeding ring is made of transparent material.

[0012] Furthermore, the visual inspection camera and the lens body are located directly below the annular light source, and the annular light source is located below the rotating feed ring.

[0013] The beneficial effects of the utility model are as follows:

[0014] The spring body to be inspected is rotated and transported through the rotating mechanism, the horizontal positions of the annular light source, the visual inspection camera and the lens body are adjusted through the lateral adjustment mechanism, the vertical positions of the annular light source and the visual inspection camera can be independently adjusted through the vertical guide rail and two sets of adjustment components, and the field of view of the visual inspection camera can be adjusted. It can be adjusted according to the size of the spring body transported on the top surface of the rotating mechanism, thereby improving the completeness and clarity of the image acquisition of the spring body by the visual inspection camera, and the image of the spring body transported on the top surface of the rotating mechanism is acquired through the visual inspection camera and the lens body, and the annular light source is used for fill light to improve the brightness of the image acquisition. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0017] Figure 3 It is an exploded view of the local structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the visual inspection camera and lens body of the utility model;

[0019] Figure 5 It is a schematic diagram of the ring light source of the utility model;

[0020] Figure markings: 1. Chassis bottom plate; 11. Through hole; 2. Rotating mechanism; 201. Motor frame; 202. Servo motor; 203. Turntable; 204. Rotating feed ring; 3. Spring body; 4. Horizontal adjustment mechanism; 401. T-shaped guide rail; 402. First slider; 403. First knob; 5. Vertical guide rail; 6. Adjustment assembly; 601. Second slider; 602. Mounting bracket; 603. Second knob; 7. Ring light source; 8. Visual inspection camera; 9. Lens body. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0023] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. In addition, the terms "first," "second," etc. are used only to distinguish the descriptions and are not to be understood as indicating or implying relative importance.

[0024] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.

[0025] like Figures 1 to 5As shown, a spring automated visual inspection component includes a chassis base 1 and a spring body 3. A through hole 11 is opened on the top surface of the chassis base 1. A rotating mechanism 2 for rotating and conveying the spring body 3 is fixedly installed on the top surface of the chassis base 1. A lateral adjustment mechanism 4 is provided on the top surface of the chassis base 1, and a vertical guide rail 5 is fixedly installed on the top surface of the movable part of the lateral adjustment mechanism 4. Two groups of adjustment components 6 are provided on the surface of the vertical guide rail 5. A ring light source 7 is installed on the surface of the upper adjustment component 6. A visual inspection camera 8 is fixedly installed on the end of the lower adjustment component 6, and a lens body 9 is provided on the surface of the visual inspection camera 8. More specifically, the spring body 3 to be inspected is rotated and transported through the rotating mechanism 2, the horizontal position of the annular light source 7, the visual inspection camera 8 and the lens body 9 is adjusted through the lateral adjustment mechanism 4, and the vertical position of the annular light source 7 and the visual inspection camera 8 can be independently adjusted through the vertical guide rail 5 and the two sets of adjustment components 6, so that the acquisition field of view of the visual inspection camera 8 can be adjusted, and the size of the spring body 3 transported according to the top surface of the rotating mechanism 2 can be adjusted, thereby improving the completeness and clarity of the image acquisition of the spring body 3 by the visual inspection camera 8, and the spring body 3 transported on the top surface of the rotating mechanism 2 can be imaged through the visual inspection camera 8 and the lens body 9, and the annular light source 7 is used for fill light to improve the brightness of the image acquisition.

[0026] The rotating mechanism 2 includes a motor frame 201, which is fixedly mounted on the top surface of the chassis base 1. A servo motor 202 is fixedly mounted on the top surface of the chassis base 1 and located inside the motor frame 201. A turntable 203 is fixedly mounted on the output end of the servo motor 202, and a rotating feed ring 204 is mounted on the surface of the turntable 203. More specifically, the servo motor 202 drives the turntable 203 to rotate, and the rotating feed ring 204 on the surface of the turntable 203 conveys the spring bodies 3, allowing the spring bodies 3 to be imaged and inspected one by one by the visual inspection camera 8.

[0027] The lateral adjustment mechanism 4 includes a T-shaped guide rail 401, which is fixedly mounted on the top surface of the chassis bottom plate 1. A first slider 402 is slidably mounted on the surface of the T-shaped guide rail 401, and a first knob 403 is threadedly inserted into a side wall of the first slider 402. The vertical guide rail 5 is fixedly mounted on the top surface of the first slider 402. More specifically, by rotating the first knob 403 in the reverse direction to contact the lock between the first slider 402 and the T-shaped guide rail 401, the first slider 402 slides on the surface of the T-shaped guide rail 401, thereby adjusting the horizontal position of the annular light source 7, the visual inspection camera 8, and the lens body 9. By rotating the first knob 403 in the forward direction so that the end surface of the first knob 403 contacts the T-shaped guide rail 401, the position of the first slider 402 and the T-shaped guide rail 401 is fixed.

[0028] The adjustment assembly 6 includes a second slider 601, which is slidably mounted on the surface of the vertical guide rail 5. A mounting bracket 602 is threadedly inserted into a side wall of the second slider 601, and a second knob 603 is fixedly mounted on the end surface of the second slider 601. More specifically, by rotating the mounting bracket 602 in the reverse direction, the lock between the second slider 601 and the vertical guide rail 5 is released, allowing the second slider 601 to slide on the surface of the vertical guide rail 5, thereby adjusting the vertical position of the second knob 603. By rotating the mounting bracket 602 in the forward direction, the end surface of the mounting bracket 602 contacts the surface of the vertical guide rail 5, thereby locking the second slider 601 and the vertical guide rail 5.

[0029] The rotating feed ring 204 is annular and made of transparent material. More specifically, the rotating feed ring 204 made of transparent material enables the visual inspection camera 8 to capture an image of the top surface of the conveying spring body 3.

[0030] The visual inspection camera 8 and the lens body 9 are located directly below the annular light source 7, and the annular light source 7 is located below the rotating feed ring 204. More specifically, the annular light source 7 allows the visual inspection camera 8 and the lens body 9 to perform a fill light operation when performing image acquisition.

[0031] In summary: the spring body 3 to be inspected is rotated and transported through the rotating mechanism 2, the horizontal position of the annular light source 7, the visual inspection camera 8 and the lens body 9 is adjusted through the lateral adjustment mechanism 4, and the vertical position of the annular light source 7 and the visual inspection camera 8 can be independently adjusted through the vertical guide rail 5 and the two sets of adjustment components 6, so that the acquisition field of view of the visual inspection camera 8 can be adjusted, and the size of the spring body 3 transported according to the top surface of the rotating mechanism 2 can be adjusted, thereby improving the completeness and clarity of the image acquisition of the spring body 3 by the visual inspection camera 8, and the spring body 3 transported on the top surface of the rotating mechanism 2 can be imaged through the visual inspection camera 8 and the lens body 9, and the annular light source 7 is used for fill light to improve the brightness of the image acquisition.

[0032] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.

Claims

1. A spring automated visual inspection component, characterized in that: The invention comprises a chassis bottom plate (1) and a spring body (3), wherein a through hole (11) is provided on the top surface of the chassis bottom plate (1), a rotating mechanism (2) for rotating and conveying the spring body (3) is fixedly installed on the top surface of the chassis bottom plate (1), a lateral adjustment mechanism (4) is provided on the top surface of the chassis bottom plate (1), and a vertical guide rail (5) is fixedly installed on the top surface of the movable part of the lateral adjustment mechanism (4), two groups of adjustment components (6) are provided on the surface of the vertical guide rail (5), a ring light source (7) is installed on the surface of the upper adjustment component (6), a visual detection camera (8) is fixedly installed on the end of the lower adjustment component (6), and a lens body (9) is provided on the surface of the visual detection camera (8).

2. The spring automated visual inspection assembly according to claim 1, characterized in that: The rotating mechanism (2) comprises a motor frame (201), the motor frame (201) is fixedly mounted on the top surface of the chassis bottom plate (1), a servo motor (202) is fixedly mounted on the top surface of the chassis bottom plate (1) and located inside the motor frame (201), and a turntable (203) is fixedly mounted on the output end of the servo motor (202), and a rotating feed ring (204) is sleeved on the surface of the turntable (203).

3. The spring automated visual inspection assembly according to claim 1, characterized in that: The lateral adjustment mechanism (4) comprises a T-shaped guide rail (401), the top surface of the chassis bottom plate (1) is fixedly mounted with the T-shaped guide rail (401), a first slider (402) is slidably mounted on the surface of the T-shaped guide rail (401), a first knob (403) is threadedly inserted into a side wall of the first slider (402), and a vertical guide rail (5) is fixedly mounted on the top surface of the first slider (402).

4. The spring automated visual inspection assembly according to claim 1, characterized in that: The adjustment assembly (6) includes a second slider (601), the surface of the vertical guide rail (5) is slidingly sleeved with the second slider (601), a side wall of the second slider (601) is threadedly plugged with a mounting bracket (602), and the end surface of the second slider (601) is fixedly mounted with a second knob (603).

5. The spring automated visual inspection assembly according to claim 2, characterized in that: The rotating feeding ring (204) is arranged in a circular ring structure, and the rotating feeding ring (204) is made of a transparent material.

6. The spring automated visual inspection assembly according to claim 5, characterized in that: The visual inspection camera (8) and the lens body (9) are located directly below the annular light source (7), and the annular light source (7) is located below the rotating feed ring (204).

Citation Information

Cited By

  • Spring appearance detection device based on visual analysis

    CN120885449A