Multi-light-source 3D / AOI rapid detection device

Abstract

The utility model discloses a multi-light-source 3D / AOI rapid detection device, and relates to the technical field of product quality detection. The device comprises a detection platform and a detection assembly which is installed in a manner of being matched with the detection platform. The upper side of the detection platform is provided with a positioning assembly for installing a to-be-detected object. The detection assembly comprises a plane light source used for providing uniform illumination, an oblique light source used for highlighting surface characteristics, and an image acquisition unit arranged above the detection platform; the detection assembly is connected with a control system through an internal wire, and the control system comprises a three-dimensional reconstruction module, a defect analysis module connected with the three-dimensional reconstruction module through an internal local area network, and a storage module used for data storage. According to the utility model, the plane light source and the oblique light source are combined, so that the surface characteristics of the object are clearly displayed, the positioning assembly ensures that the object to be detected is accurately positioned and flexibly rotated in the detection process, and the detection requirements of objects with different shapes and sizes are met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to product quality detection technical field, especially relate to multi -light source 3D AOI fast detection device. BACKGROUND

[0002] With the continuous improvement of industrial automation level, product quality detection becomes an indispensable link in the manufacturing process. Especially for electronic components, precision mechanical parts and other complex structure objects, surface defect detection is particularly important. The traditional defect detection method mainly relies on artificial visual inspection, which not only consumes time and effort, but also is easily affected by subjective factors, resulting in inconsistency of detection results. In recent years, with the development of computer vision technology and machine learning algorithm, automatic optical inspection (AOI) technology is gradually applied to industrial product surface defect detection, which significantly improves the detection efficiency and accuracy. However, the existing AOI detection system still has some deficiencies:

[0003] Most AOI systems use single light source or fixed angle light source, which is difficult to fully display the details of the surface of the measured object, especially when detecting objects with complex geometric shapes, which is easy to produce shadow or reflection phenomenon, affecting the image quality, thereby reducing the accuracy of defect detection; The existing AOI system is designed for specific types of products, which lacks universality and flexibility, and cannot meet the detection needs of objects of different shapes and sizes, limiting the application scenarios of the system; Although part of the AOI system realizes the automation of image acquisition and preliminary processing, it still needs manual intervention in defect recognition and classification, which is not enough in automation, cannot completely release manpower, and affects production efficiency; The traditional AOI system often lacks efficient image processing algorithm and data analysis tool, which is difficult to realize accurate recognition and classification of complex defects, and also cannot provide detailed detection report, which is not conducive to the continuous improvement of product quality.

[0004] In view of the above problems, the utility model provides a multi-light source 3D AOI fast detection device, which aims to optimize the light source configuration, improve the system automation level and enhance the data analysis ability, solve the problems existing in the prior art, and provide an efficient, accurate and flexible solution for industrial product surface defect detection. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model is a multi-light source 3D AOI fast detection device, which comprises a detection platform and a detection assembly adapted and installed with the detection platform;

[0007] The detection platform is provided with a positioning assembly for mounting the measured object on the upper side;

[0008] The detection assembly comprises a planar light source for providing uniform light, an oblique light source for highlighting surface features, and an image acquisition unit arranged obliquely above the detection platform.

[0009] The detection assembly is connected with a control system through internal wires, wherein the control system comprises a three-dimensional reconstruction module, a defect analysis module connected with the three-dimensional reconstruction module through an internal local area network, and a storage module for data storage.

[0010] The detection platform is fixed to the upper side of the equipment bin.

[0011] The control system is integrally arranged in the touch module, and the touch module comprises a touch panel, control buttons arranged on the side of the touch panel, an alarm fixed to the top of the touch panel, and a loudspeaker arranged at the bottom of the touch panel.

[0012] The image acquisition unit is connected with the three-dimensional reconstruction module through an optical fiber, the defect analysis module is connected with the storage module, and the defect analysis module and the touch module are interactively connected.

[0013] The planar light source and the oblique light source are respectively arranged above and on the side of the detection platform, and the planar light source and the oblique light source are both connected with the control system.

[0014] The positioning assembly comprises a transmission member fixed to the middle position of the upper side of the detection platform, a support plate fixed to the end of the rotating shaft of the transmission member, a clamping plate movably arranged in the sliding groove on the upper part of the support plate, a support fixed to the middle position of the support plate, an electric telescopic rod connected between the support and the bottom of the clamping plate, a chuck fixed to the top of the clamping plate, and a motor for driving the rotation of the chuck.

[0015] The utility model has the advantages of the following:

[0016] 1、The utility model discloses a planar light source and an oblique light source are combined, the clear display of the surface features of the object is realized, the planar light source provides the uniform background light, reduces the shadow interference, and the oblique light source enhances the contrast of the surface features, which is helpful for finding the slight defects, thereby the accuracy and reliability of the defect detection are improved, the image acquisition unit can capture the image of the object to be detected from multiple angles, which provides abundant data sources for three-dimensional reconstruction and defect analysis, and ensures the precision of the three-dimensional model and the depth of defect analysis.

[0017] 2, The utility model discloses a control system is set up, including three -dimensional reconstruction module, defect analysis module and storage module, realized from image data processing to defect automatic identification, the whole process automation management of classification, improve work efficiency greatly, guarantee the security and traceability of data at the same time, through setting up positioning component, ensure the accurate positioning and flexible rotation of the object to be detected in the detection process, adapt to the object detection demand of different shape and size, increase the scope of application and flexibility of system.

[0018] Of course, any product implementing the present utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present utility model, the following will briefly introduce the drawings needed to be used for the embodiment description, obviously, the drawings in the following description are only some embodiments of the present utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0020] Figure 1 It is the whole structure external front view of the present utility model.

[0021] Figure 2 It is the principle block diagram of the present utility model.

[0022] Figure 3 It is the inside structure one side schematic view of the bonnet in the present utility model.

[0023] Figure 4 It is the inside structure other side schematic view of the bonnet in the present utility model.

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] 100, detection platform, 200, detection component, 201, plane light source, 202, oblique light source, 203, image acquisition unit, 300, positioning component, 301, transmission piece, 302, support plate, 303, clamping plate, 304, support, 305, electric telescopic rod, 306, chuck, 307, motor, 400, control system, 401, three-dimensional reconstruction module, 402, defect analysis module, 403, storage module, 500, bonnet, 501, open-close door, 502, equipment bin, 503, support, 600, touch control module, 601, touch panel, 602, control button, 603, alarm, 604, loudspeaker. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Embodiment

[0028] Please refer to Figures 1-4 The utility model discloses a multi-light source 3D / AOI rapid detection device, including detection platform 100 and with detection platform 100 adaptation installation detection assembly 200.

[0029] The positioning assembly 300 for installing the object to be detected is arranged on the upper side of the detection platform 100. The detection platform 100 serves as the base of the entire detection system, carries the detection assembly 200, and ensures that the object to be detected can be stably placed thereon for detection.

[0030] The detection assembly 200 includes a planar light source 201 for providing uniform illumination, an oblique light source 202 for highlighting surface features, and an image acquisition unit 203 arranged obliquely above the detection platform 100. The planar light source 201 provides uniform background illumination, which helps to reduce shadows and makes image processing easier. The oblique light source 202 illuminates from the side, enhancing the contrast of the object surface features and facilitating the discovery of subtle defects. The image acquisition unit 203 captures multi-angle images of the object to be detected, providing data support for subsequent three-dimensional reconstruction and defect analysis. The use of multiple light sources can obtain higher quality image information, improving the accuracy and reliability of defect detection.

[0031] The detection assembly 200 is connected to a control system 400 through internal wires. The control system 400 includes a three-dimensional reconstruction module 401, a defect analysis module 402 connected to the three-dimensional reconstruction module 401 through an internal local area network, and a storage module 403 for data storage. The three-dimensional reconstruction module 401 constructs a three-dimensional model of the object to be detected based on the data provided by the image acquisition unit 203. The defect analysis module 402 automatically identifies and classifies surface defects based on the three-dimensional model. The storage module 403 saves all data during the detection process, facilitating subsequent analysis and tracing. The overall automation degree is high, and the surface defect detection of complex objects can be completed quickly and accurately, greatly improving the work efficiency.

[0032] Specifically, the detection platform 100 is externally provided with a machine cover 500, the front of the machine cover 500 is provided with an opening and closing door 501, the bottom of the machine cover 500 is provided with an equipment bin 502, the detection platform 100 is fixed on the upper side of the equipment bin 502, the side of the machine cover 500 is fixed with a touch module 600 through a support 503, the control system 400 is integrally arranged in the touch module 600, the touch module 600 includes a touch panel 601, control buttons 602 arranged on the side of the touch panel 601, an alarm 603 fixed on the top of the touch panel 601, and a loudspeaker 604 arranged on the bottom of the touch panel 601, the touch module 600 serves as a human-computer interaction interface, an operator can control the detection process through the touch panel 601 and the control buttons 602, and at the same time, state feedback can be obtained through the alarm 603 and the loudspeaker 604, thereby improving user experience, simplifying an operation process, and enabling non-professionals to easily use the equipment.

[0033] The positioning assembly 300 includes a transmission member 301 fixed on the middle position of the upper side of the detection platform 100, a support plate 302 fixed on the end of the rotating shaft of the transmission member 301, a clamping plate 303 movably arranged in the sliding groove on the upper side of the support plate 302, a support 304 fixed on the middle position of the support plate 302, an electric telescopic rod 305 connected between the support 304 and the bottom of the clamping plate 303, a chuck 306 fixed on the top of the clamping plate 303, and a motor 307 for rotary driving of the chuck 306; the positioning assembly 300 ensures that the object to be detected can maintain correct position and angle during the detection process, facilitates comprehensive detection in each direction, and through the adjustable clamping plate 303 and the rotary driven chuck 306, different shapes and sizes of the object to be detected can be adapted, and the flexibility and application range of the system are improved.

[0034] Further, the image acquisition unit 203 is connected with the three-dimensional reconstruction module 401 through an optical fiber, the defect analysis module 402 is connected with the storage module 403, and the defect analysis module 402 is interactively connected with the touch module 600, the planar light source 201 and the oblique light source 202 are respectively installed above and on the side of the detection platform 100, and the planar light source 201 and the oblique light source 202 are both connected with the control system 400.

[0035] The specific use steps of the multi-light-source 3D / AOI rapid detection device are as follows:

[0036] I. Preparation stage: open the opening and closing door 501 on the machine cover 500, place the object to be detected on the transmission member 301, adjust the position of the clamping plate 303 to ensure that the object is stable, close the opening and closing door 501, and ensure the safety of the working environment;

[0037] II. Parameter setting: select or input detection parameters such as light source intensity, detection speed, etc. through the touch panel 601 on the touch module 600, and check whether all settings meet the requirements after setting is completed;

[0038] III. Start detection: press the start button on the touch panel 601 or start the detection program through the control button 602, the plane light source 201 and the oblique light source 202 are turned on in turn, and the image acquisition unit 203 starts to work to capture different perspective images of the object;

[0039] IV. Data analysis: the image data is transmitted to the three-dimensional reconstruction module 401 to generate a three-dimensional model, the defect analysis module 402 analyzes the three-dimensional model to automatically mark possible defects, and the analysis result is stored in the storage module 403 and can be viewed through the touch panel 601;

[0040] V. Result output: after the detection is completed, the touch module 600 displays the final result, and the alarm 603 will issue a warning signal if necessary, and the user can make corresponding decisions such as rework, scrap, etc. according to the detection report.

[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details and do not limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A multi-light source 3D / AOI rapid detection device, comprising a detection platform (100) and a detection assembly (200) adaptedly installed with the detection platform (100), characterized in that: a positioning assembly (300) for mounting a to-be-detected object is arranged on the upper side of the detection platform (100); the detection assembly (200) comprises a plane light source (201) for providing uniform illumination, an oblique light source (202) for highlighting surface features, and an image acquisition unit (203) arranged obliquely above the detection platform (100); the detection assembly (200) is connected with a control system (400) through internal wires, wherein the control system (400) comprises a three-dimensional reconstruction module (401), a defect analysis module (402) connected with the three-dimensional reconstruction module (401) through an internal local area network, and a storage module (403) for data storage.

2. The multi-source 3D / AOI rapid detection device according to claim 1, wherein, A machine cover (500) is arranged outside the detection platform (100), wherein the machine cover (500) is provided with an opening and closing door (501) on the front side, and the machine cover (500) is provided with an equipment bin (502) at the bottom, and the detection platform (100) is fixed on the upper side of the equipment bin (502).

3. The multi-source 3D / AOI rapid detection device according to claim 2, wherein, A touch module (600) is fixed on the side of the machine cover (500) through a support (503), wherein the control system (400) is integrally arranged inside the touch module (600), and the touch module (600) comprises a touch panel (601), control buttons (602) arranged on the side of the touch panel (601), an alarm (603) fixed on the top of the touch panel (601), and a loudspeaker (604) arranged on the bottom of the touch panel (601).

4. The multi-source 3D / AOI rapid detection device according to claim 3, characterized in that, The image acquisition unit (203) is connected with the three-dimensional reconstruction module (401) through an optical fiber, the defect analysis module (402) is connected with the storage module (403), and the defect analysis module (402) is interactively connected with the touch module (600).

5. The multi-source 3D / AOI rapid inspection apparatus according to claim 1, wherein, The plane light source (201) and the oblique light source (202) are respectively installed above and on the side of the detection platform (100), and both the plane light source (201) and the oblique light source (202) are connected with the control system (400).

6. The multi-source 3D / AOI rapid inspection apparatus of claim 1, wherein, The positioning assembly (300) comprises a transmission member (301) fixed on the upper side of the detection platform (100) at a middle position, a support plate (302) fixed on the end of the rotating shaft of the transmission member (301), a clamping plate (303) movably arranged in a sliding groove on the upper part of the support plate (302), a support (304) fixed on the middle position of the support plate (302), an electric telescopic rod (305) connected between the support (304) and the bottom of the clamping plate (303), a chuck (306) fixed on the top of the clamping plate (303), and a motor (307) for rotary driving of the chuck (306).

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