Smooth spherical object surface bright mark defect detection equipment
By designing a light source plate that can automatically adjust the angle and detection equipment for multiple camera components, the problem of inaccurate detection of bright marks on the surface of spherical objects is solved, and accurate and efficient detection results are achieved.
Patent Information
- Application Number
- CN202421353815.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The prior art detects the defects of the surface of spherical objects inaccurately and has troublesome operation. Especially because the structure of the spherical objects is special, the position of the surface is not fixed, making it difficult to photograph in the same direction, and the angle adjustment of the light source plate is complicated.
A detection device including a light source plate that can automatically adjust the angle and a plurality of camera components is designed. By driving the servo motor and gear transmission mechanism, the light source plate can be quickly adjusted to the appropriate angle, while the camera components can be photographed at different heights and angles, achieving 360-degree over-rotation.
It realizes accurate detection of bright mark defects on the surface of spherical objects, simplifies the operation process, and improves detection efficiency and accuracy.
Smart Images
Figure CN223037844U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of detection technology. Specifically, it relates to a detection device for bright mark defects on the surface of a smooth spherical object. Background Art
[0002] With the development of industrial technology, the shapes of various products and parts are becoming increasingly diverse, and more and more products and parts are starting to use spherical structures; for such spherical products, especially some spherical products with high requirements for surface flatness, a smooth outer surface without bumps and friction is a basic requirement to be ensured during production. For this reason, these products need to be subjected to surface defect detection before leaving the factory, that is, irradiating the product surface from various angles. If there are friction or bump damages on the product surface, due to a certain height difference between the damaged area and the smooth surface, light will undergo diffuse reflection at the damaged area, so visually, bright marks will appear at the defective area of the product. However, for some overly fine bright marks, it is very difficult for the human eye to directly observe them under natural light. It is necessary to illuminate from various angles separately for observation, which is extremely time-consuming and laborious, greatly increasing the workload of the inspectors and the detection results are not accurate enough. For this reason, more and more enterprises have begun to apply visual detection technology in this scenario. However, due to the special structure of the spherical object, bright marks on the surface will appear at different positions and it is very difficult to photograph in the same direction. The detection device cannot synchronously collect and detect at different heights, resulting in not enough details in the obtained images, and thus the detection effect is not accurate enough; during detection, in order to make the bright marks on the surface of the spherical object more prominent and the details in the obtained images more obvious, multiple light source plates are placed around the spherical object. However, since the sizes of each spherical detection object are different, the angle requirements for the light source plates also need to be adjusted based on the sizes of different spherical detection objects. When those skilled in the art find that the light source plates need to be adjusted during use, the position angles of each light source plate need to be adjusted one by one separately, which is rather troublesome, time-consuming and inefficient; therefore, it is necessary for the inventor to design a new detection device for bright mark defects on the surface of a smooth spherical object to overcome the above problems. Summary of the Invention
[0003] The main purpose of this application is to provide a detection device for bright mark defects on the surface of a smooth spherical object to solve the problems of inaccurate detection and troublesome operation in the related art.
[0004] To achieve the above object, the present application provides a device for detecting bright mark defects on the surface of a smooth spherical object, including a device body, a mounting plate provided on the device body, and further including a detected object mounting mechanism connected to the mounting plate, a plurality of detection components connected to the device body, and a plurality of light source devices connected to the mounting plate; the detection components are arranged around the detected object mounting mechanism; the light source devices are arranged between the detected object mounting mechanism and the detection components; each light source device includes a mounting frame rotatably connected to the mounting plate, a light source plate fixedly connected to the mounting frame, and a rotation mechanism for driving the mounting frame to rotate synchronously.
[0005] Further, each rotation mechanism includes a sprocket component connected to the bottom of the mounting plate to drive the mounting frame to rotate synchronously, and a chain cooperating with the sprocket component, and a first driving component for driving the sprocket component to rotate is connected to one of the sprocket components.
[0006] Further, each sprocket component includes a first gear, a sprocket concentrically and fixedly connected to the first gear, and a rotating shaft. Through holes are formed in both the mounting frame and the mounting plate. One end of the rotating shaft passes through the first gear, the sprocket, and the through hole and is connected to the mounting frame. The chain cooperates with each sprocket, and a limiting structure is connected to each first gear.
[0007] Further, the limiting structure includes a second gear rotatably arranged on the mounting plate and cooperating with the first gear.
[0008] Further, the first driving component is a first servo motor, and the first servo motor is connected to the other end of the rotating shaft.
[0009] Further, the detected object mounting mechanism includes a detected object mounting frame and a second driving component connected to the detected object mounting frame to drive it to rotate.
[0010] Further, the second driving component includes a second servo motor and an output shaft. One end of the output shaft is connected to the detected object mounting frame, and the other end of the output shaft is connected to the second servo motor.
[0011] Further, each detection component includes a support arm and a camera. A slide rail is arranged on the support arm, and the camera is connected to the slide rail.
[0012] A detection device for bright marks on the surface of a smooth spherical object provided by the present utility model has the following beneficial effects compared with the prior art: First, the detection is accurate, and the operation is simple and efficient. A plurality of camera components are connected to the detection device of the present utility model. The object to be detected can rotate more than 360 degrees, and the plurality of camera components are arranged at different heights, so as to realize shooting at different heights and different angles. In this way, more pictures are taken, and more details are presented, making the detection result more accurate. A plurality of light source plates with automatically adjustable angles are arranged around the object to be detected. Each time, based on the size of the object to be detected, the servo motor at the bottom of the mounting frame of the light source plate is started, and the gear transmission mechanism drives the plurality of light source plates on the mounting frame to rotate in sequence until they reach the appropriate angles. And a second gear is arranged at the bottom of the mounting frame, which will not be accidentally touched and cause movement. The whole device is relatively convenient and efficient to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The drawings constituting a part of this application are used to provide a further understanding of this application, making other features, objectives, and advantages of this application more obvious. The schematic embodiments and descriptions of the drawings of this application are used to explain this application and do not constitute an improper limitation of this application. In the drawings:
[0014] Figure 1 is the front view of a detection device for bright mark defects on the surface of a smooth spherical object of the present utility model;
[0015] Figure 2 is the schematic diagram of a detection device for bright mark defects on the surface of a smooth spherical object of the present utility model.
[0016] Among them: 1. mounting plate; 2. mounting frame; 3. light source plate; 4. sprocket component; 5. chain; 6. first servo motor; 7. first gear; 8. sprocket; 9. through hole; 10. second gear; 11. mounting frame for the object to be detected; 12. second servo motor; 13. support arm; 14. camera; 15. slide rail. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] In order to enable those skilled in the art to better understand the solution of this application, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.
[0018] It should be noted that in the description, claims and the above drawings of the present application, terms such as "first", "second", etc. are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so as to implement the embodiments of the present application described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0019] In the present application, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.
[0020] Moreover, in addition to being able to represent an orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present application can be understood according to specific circumstances.
[0021] In addition, the meaning of the term "plurality" should be two or more.
[0022] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0023] Embodiment 1:
[0024] As Figure 1 、 Figure 2As shown, a detection device for bright trace defects on the surface of a smooth spherical object includes a device body, a mounting plate 1 provided on the device body, a detected object mounting mechanism connected to the mounting plate 1, several detection components connected to the device body, and several light source devices connected to the mounting plate 1; the detected object of the detection device for bright trace defects on the surface of a smooth spherical object described in the present utility model is a spherical object, and the detection device of the present utility model cannot detect the bright trace defects on the surface of objects of other shapes. The detected object mounting mechanism can be arranged at the central position of the device body, and the detection components are arranged around the detected object mounting mechanism; the light source devices are arranged between the detected object mounting mechanism and the detection components and surround the detected object.
[0025] As Figure 1 and Figure 2 shown, each of the light source devices includes a mounting frame 2 rotatably connected to the mounting plate 1, a light source plate 3 fixedly connected to the mounting frame 2, and a rotating mechanism for driving the mounting frame 2 to rotate synchronously; the light source plate 3 is used to illuminate the spherical object to be detected, so that the bright trace defects on the surface of the spherical object can be better revealed, and the rotating mechanism can adjust the light source plate to a suitable angle.
[0026] As Figure 1As shown, each of the rotating mechanisms includes a sprocket component 4 connected to the bottom of the mounting plate 1 to drive the mounting bracket 2 to rotate synchronously, and a chain 5 that cooperates with the sprocket component 4. A first drive assembly for driving the rotation of the sprocket component 4 is connected to one of the sprocket components 4; each of the sprocket components 4 includes a first gear 7, a sprocket 8 fixedly connected concentrically with the first gear 7, and a rotating shaft. Through holes 9 are provided in the mounting bracket 2 and the mounting plate 1, and through holes 9 are also provided in the first gear 7 and the sprocket 8. One end of the rotating shaft passes through the first gear 7, the sprocket 8, and the through hole 9 and is connected to the mounting bracket 2. The chain 5 cooperates with each sprocket 8. A limiting structure is connected to each first gear 7. The limiting structure includes a second gear 10 rotatably provided on the mounting plate and cooperating with the first gear 7; the first drive assembly includes a first servo motor 6, and the first servo motor 6 is connected to the other end of the rotating shaft; starting the first servo motor 6 drives the connected sprocket 8 to rotate, and the power is transmitted through the chain 5 to drive several other sprockets to rotate, thereby driving several mounting brackets 2 to rotate synchronously. The several light source plates 3 connected to the mounting brackets 2 also rotate synchronously. The several light source plates 3 synchronously achieve the adjustment of the angle. In this way, when the size of the spherical object to be detected changes, the light source plate 3 can quickly and efficiently adjust to a suitable angle based on the size of the spherical object, better cooperate to complete the detection of bright mark defects, quickly, conveniently and efficiently. Moreover, the second gear 10 connected to each first gear 7 can play a limiting role. When the angle of the light source plate 3 is adjusted, it is limited by the second gear 10, so that the angle of the light source plate 3 will not change due to accidental touch.
[0027] As Figure 2 shown, the object to be detected mounting mechanism includes an object to be detected mounting bracket 11 and a second drive assembly connected to the object to be detected mounting bracket 11 to drive its rotation; the second drive assembly includes a second servo motor 12 and an output shaft. One end of the output shaft is connected to the object to be detected mounting bracket 11, and the other end of the output shaft is connected to the second servo motor 12; the object to be detected mounting bracket 11 is provided with a clamping position for fixing the spherical object to be detected. The second servo motor 12 is connected to the object to be detected mounting bracket 11 through the second output shaft, thereby driving the spherical object to be detected to rotate more than 360 degrees. In order to achieve the rotation angle, a multi-turn servo motor can be selected. In this way, the rotation of more than 360 degrees can enable more pictures of the spherical object to be captured and more details, so that the detection result is more accurate.
[0028] As Figure 2As shown, each of the detection components includes a support arm 13 and a camera 14. A sliding component is provided on the support arm 13, and the camera 14 is connected to the sliding component; the sliding component is a slide rail 15; the camera 14 installed on the slide rail 15 can adjust the camera 14 to different heights to photograph the spherical object. A limit block is provided on the slide rail 15. When the camera 14 is adjusted to the required height, it is limited by the limit block to prevent the camera 14 from moving further; the number of detection components can be selected based on the size of the spherical object to be detected, the depth of field of the camera 14 lens, and the bright mark condition on the surface of the spherical object, so as to ensure that all the bright marks on the surface of the spherical object can be photographed.
[0029] The foregoing is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.
Claims
1. A device for detecting bright mark defects on the surface of a smooth spherical object, comprising a device body and a mounting plate (1) arranged on the device body, characterized in that: It also comprises a detection object mounting mechanism connected to the mounting plate (1), a plurality of detection components connected to the device body, and a plurality of light source devices connected to the mounting plate (1); the detection components are arranged around the detection object mounting mechanism; the light source devices are arranged between the detection object mounting mechanism and the detection components; each of the light source devices comprises a mounting frame (2) rotatably connected to the mounting plate (1), a light source board (3) fixedly connected to the mounting frame (2), and a rotation mechanism for driving the mounting frame (2) to rotate synchronously.
2. The device for detecting bright marks on the surface of a smooth spherical object according to claim 1, characterized in that: Each of the rotating mechanisms comprises a sprocket component (4) connected to the bottom of the mounting plate (1) and driving the mounting frame (2) to rotate synchronously, and a chain (5) matched with the sprocket component (4), wherein one of the sprocket components (4) is connected to a first driving component for driving the sprocket component (4) to rotate.
3. A device for detecting bright marks on the surface of a smooth spherical object as claimed in claim 2, characterized in that: Each of the sprocket components (4) comprises a first gear (7), a sprocket (8) fixedly connected concentrically with the first gear (7), and a rotating shaft; the mounting frame (2) and the mounting plate (1) are both provided with a through hole (9); one end of the rotating shaft passes through the first gear (7), the sprocket (8), and the through hole (9) to be connected to the mounting frame (2); the chain (5) cooperates with each of the sprockets (8); and each of the first gears (7) is connected to a limiting structure.
4. A bright mark defect detection device for a smooth spherical object surface as claimed in claim 3, characterized in that: The limiting structure comprises a second gear (10) rotatably arranged on the mounting plate and cooperating with the first gear (7).
5. The device for detecting bright marks on the surface of a smooth spherical object according to claim 3, characterized in that: The first driving component is a first servo motor (6), and the first servo motor (6) is connected to the other end of the rotating shaft.
6. The device for detecting bright marks on the surface of a smooth spherical object according to claim 1, characterized in that: The detected object mounting mechanism comprises a detected object mounting frame (11) and a second driving component connected to the detected object mounting frame (11) for driving the detected object mounting frame (11) to rotate.
7. A device for detecting bright marks on the surface of a smooth spherical object according to claim 6, characterized in that: The second driving assembly comprises a second servo motor (12) and an output shaft, one end of the output shaft being connected to the detected object mounting frame (11), and the other end of the output shaft being connected to the second servo motor (12).
8. The device for detecting bright marks on the surface of a smooth spherical object according to claim 1, characterized in that: Each of the detection components comprises a support arm (13) and a camera (14); a slide rail (15) is provided on the support arm (13); and the camera (14) is connected to the slide rail (15).