A line scan light source inspection device for PCB production

Abstract

This invention provides a line-scanning light source inspection device for PCB production, belonging to the field of electronic manufacturing technology. It includes a support mechanism with a fixing component; and a scanning mechanism with a rotating component and a recognition component, used to achieve automatic scanning and image recognition inspection of PCB boards. The support mechanism includes a fixing component with an operating table and legs. The operating table supports the PCB board to be inspected and the scanning component, and the legs support the entire device and adjust its horizontal height. The rotating component includes a motor and a turntable. This invention achieves multi-angle automatic rotation of the PCB board by setting up a rotating component with a motor and a turntable. The recognition component uses a high-resolution camera and a ring light to improve image clarity and illumination uniformity. Furthermore, the adjustable fixing frame enhances the device's adaptability to PCB boards of different specifications, thus effectively solving the technical problems of low accuracy, low automation, and limited applicability of traditional inspection equipment.

Description

Technical Field

[0001] This utility model belongs to the field of electronic manufacturing technology, and specifically relates to a line scan light source inspection device for PCB production. Background Technology

[0002] A line-scanning light source inspection device for PCB production is mainly used for quality inspection during the printed circuit board (PCB) manufacturing process. As the integration and complexity of electronic products continue to increase, the requirements for PCB manufacturing precision and defect detection are becoming increasingly stringent. Traditional inspection methods mostly rely on manual visual inspection or simple automated optical inspection equipment, which suffers from slow inspection speed, low accuracy, and high false negative rates, making it difficult to meet the needs of modern, efficient production lines. Especially in the inspection of high-density interconnect (HDI) boards and fine-line PCBs, traditional equipment often cannot provide sufficient resolution and imaging quality, making it difficult to accurately identify minute defects.

[0003] In the existing technology, traditional PCB board inspection equipment mostly adopts fixed light source and single-angle shooting method, which has problems such as incomplete image acquisition, uneven lighting, and many blind spots. It is difficult to meet the requirements of high-precision circuit identification and defect detection. In addition, some equipment lacks automatic rotation and multi-angle scanning functions, resulting in insufficient ability to identify small defects, affecting inspection efficiency and accuracy. Utility Model Content

[0004] The purpose of this invention is to provide a line scan light source inspection device for PCB production, which aims to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A line scan light source inspection device for PCB production, comprising:

[0007] The load-bearing mechanism includes fasteners;

[0008] The scanning mechanism, including a rotating component and a recognition component, is used to achieve automatic scanning and image recognition detection of PCB boards.

[0009] In a preferred embodiment of this utility model, the supporting mechanism includes a fixing member, which is provided with an operating table and a support leg. The operating table is used to support the PCB board to be tested and the scanning component, and the support leg is used to support the entire device and adjust the horizontal height to ensure stable operation.

[0010] In a preferred embodiment of this utility model, the rotating component includes a motor and a turntable. The motor is installed below the operating table and drives the turntable to rotate, thereby enabling the PCB board to perform multi-angle scanning, improving the integrity of image acquisition and detection accuracy.

[0011] In a preferred embodiment of this utility model, the identification component includes a fixing block, a fixing frame, a camera, and a spotlight. The fixing block is installed above the operating table, and the fixing frame is connected to the fixing block to support the camera and the spotlight.

[0012] As a preferred embodiment of this utility model, the camera is a high-resolution industrial camera with line scanning function, which can perform high-speed and high-precision image acquisition of PCB board surface lines, solder joints and defects; the spotlight is a ring-shaped supplementary lighting device, installed around the camera, to provide uniform illumination and enhance image contrast and detail recognition capabilities.

[0013] As a preferred embodiment of this utility model, the identification component uses an adjustable mounting bracket to adjust the height and angle of the camera and spotlight, adapting to the inspection needs of PCB boards of different thicknesses and sizes, improving the equipment's versatility and inspection flexibility, and meeting the requirements of modern PCB production lines for efficient and intelligent inspection.

[0014] Compared with the prior art, the beneficial effects of this utility model are: by setting a rotating component with a motor and a turntable, the PCB board can be automatically rotated at multiple angles; the identification component uses a high-resolution camera and a ring spotlight to improve the image clarity and illumination uniformity; and the adjustable fixing frame enhances the equipment's adaptability to PCB boards of different specifications, thereby effectively solving the technical problems of low accuracy, low automation, and limited applicability of traditional detection equipment. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of 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. Among them:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a structural schematic diagram of the overall structure of this utility model from another perspective;

[0018] Figure 3 This is a front view schematic diagram of the present utility model;

[0019] Figure 4 This is a side view of the present invention.

[0020] In the diagram: 100, bearing mechanism; 101, fixing component; 1011, operating table; 1012, support leg; 200, scanning mechanism; 201, rotating assembly; 2011, motor; 2012, turntable; 202, recognition assembly; 2021, fixing block; 2022, fixing frame; 2023, camera; 2024, spotlight. Detailed Implementation

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0024] Example

[0025] Reference Figures 1-4 This is an embodiment of the present invention, which provides a line scan light source inspection device for PCB production, comprising:

[0026] The load-bearing mechanism 100 includes a fastener 101;

[0027] The scanning mechanism 200 includes a rotating component 201 and a recognition component 202, and is used to realize automatic scanning and image recognition detection of PCB boards.

[0028] Specifically, the support mechanism 100 includes a fixing member 101. The fixing member 101 is equipped with an operating table 1011 and a support leg 1012. The operating table 1011 is used to support the PCB board to be tested and the scanning components, and the support leg 1012 is used to support the entire device and adjust the horizontal height to ensure stable operation.

[0029] It should be noted that the fixing component 101 in the bearing mechanism 100 provides a stable bearing platform for the entire testing equipment through the operating table 1011. The support leg 1012 not only plays a supporting role, but also has a height adjustment structure, which can be finely adjusted according to the ground conditions or the height of the PCB board conveyor line to ensure the stable installation of the equipment and improve the reliability and repeatability of the testing process.

[0030] Specifically, the rotating component 201 includes a motor 2011 and a turntable 2012. The motor 2011 is installed below the operating table 1011 and drives the turntable 2012 to rotate, thereby driving the PCB board to achieve multi-angle scanning, improving the integrity of image acquisition and detection accuracy.

[0031] It should be noted that the motor 2011 in the rotating assembly 201 is a servo motor, which has high-precision control and smooth start-stop function. It drives the turntable 2012 to rotate the PCB board under test at multiple angles, so that the scanning system can acquire image information from different positions, effectively avoid the detection blind spot caused by a single viewpoint, and improve the comprehensiveness and accuracy of defect identification.

[0032] Specifically, the recognition component 202 includes a fixing block 2021, a fixing frame 2022, a camera 2023, and a spotlight 2024. The fixing block 2021 is installed above the operating table 1011, and the fixing frame 2022 is connected to the fixing block 2021 to support the camera 2023 and the spotlight 2024.

[0033] It should be noted that the identification component 202 forms a detachable connection structure with the fixing block 2021 and the fixing frame 2022, which facilitates equipment maintenance and component replacement; the camera 2023 and the spotlight 2024 are integrated on the fixing frame 2022, with a reasonable overall layout and high space utilization, ensuring efficient and accurate image acquisition and lighting coverage within a limited working area.

[0034] Specifically, camera 2023 is a high-resolution industrial camera with line scanning capabilities, enabling high-speed and high-precision image acquisition of PCB board surface lines, solder joints, and defects; spotlight 2024 is a ring-shaped supplementary lighting device installed around camera 2023 to provide uniform illumination and enhance image contrast and detail recognition capabilities.

[0035] It should be noted that the camera 2023 uses a high-speed line scan industrial camera, which, together with dedicated image processing software, can continuously acquire images during the movement of the PCB board to achieve online real-time inspection; the spotlight 2024 is a high-brightness LED ring light source, which has the characteristics of uniform color temperature, long life and low heat generation, and can significantly improve image contrast and detail resolution, and enhance defect recognition capabilities.

[0036] Specifically, the identification component 202 uses an adjustable mounting bracket 2022 to adjust the height and angle of the camera 2023 and the spotlight 2024, adapting to the inspection needs of PCB boards of different thicknesses and sizes, improving the equipment's versatility and inspection flexibility, and meeting the requirements of modern PCB production lines for efficient and intelligent inspection.

[0037] It should be noted that the recognition component 202 uses an adjustable mounting bracket 2022 to adjust the height and angle of the camera 2023 and the spotlight 2024, meeting the inspection needs of PCB boards of different thicknesses and sizes. At the same time, the focal length and illumination angle can be adjusted according to process requirements to further optimize the imaging quality and improve the applicability and intelligence level of the equipment.

[0038] In use, the support mechanism 100 is first placed in a stable working environment, and fine-tuned using the support legs 1012 to ensure the horizontal stability of the operating table 1011. The operating table 1011, as the core support platform of the entire device, not only provides stable support for the PCB board to be inspected, but also provides the mounting base for the rotating component 201 and the recognition component 202. The scanning mechanism 200 is mounted on the support mechanism 100 and mainly includes the rotating component 201 and the recognition component 202. The rotating component 201 consists of a motor 2011 and a turntable 2012. The motor 2011 is mounted below the operating table 1011 and drives the turntable 2012 to achieve precise rotation. In actual operation, the PCB board to be inspected is placed on the turntable 2012. The motor 2011 controls the turntable 2012 to rotate at multiple angles according to a preset program, ensuring that the camera 2023 can acquire comprehensive image information from different directions, thereby improving the accuracy and completeness of defect detection. The recognition component 202 includes a fixed... The system comprises a mounting block 2021, a mounting bracket 2022, a camera 2023, and a spotlight 2024. The mounting block 2021 is installed above the operating table 1011 and is connected to the camera 2023 and spotlight 2024 via the mounting bracket 2022. The camera 2023 is a high-resolution industrial camera with line scanning capabilities, enabling continuous high-definition image acquisition during PCB board movement. It allows for high-speed and high-precision inspection of circuits, solder joints, and defects. The spotlight 2024 is a ring-shaped supplementary lighting device installed around the camera 2023 to provide uniform illumination, enhance image contrast and detail recognition capabilities, and ensure high-quality image data under various lighting conditions. The mounting bracket 2022 is designed with an adjustable structure, allowing users to adjust the height and angle of the camera 2023 and spotlight 2024 according to different PCB board thicknesses and sizes to adapt to diverse inspection needs. This flexibility not only improves the versatility of the equipment but also optimizes image quality, further enhancing inspection efficiency and accuracy.

[0039] In summary, by setting up a rotating component 201 with a motor 2011 and a turntable 2012, the PCB board can be automatically rotated at multiple angles. The recognition component 202 uses a high-resolution camera 2023 and a ring spotlight 2024 to improve the image clarity and illumination uniformity. The adjustable mounting bracket 2022 enhances the equipment's adaptability to PCB boards of different specifications, thereby effectively solving the technical problems of low accuracy, low automation, and limited applicability of traditional detection equipment.

[0040] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0041] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0042] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0043] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A line scan light source inspection apparatus for PCB production, characterized by: include, The load-bearing mechanism (100) includes a fastener (101); The scanning mechanism (200) includes a rotating component (201) and a recognition component (202) for automatically scanning and recognizing and detecting PCB boards.

2. The line scan light source inspection apparatus for PCB production of claim 1, wherein: The supporting mechanism (100) includes a fixing member (101), which is provided with an operating table (1011) and a support leg (1012). The operating table (1011) is used to support the PCB board to be tested and the scanning components, and the support leg (1012) is used to support the entire device and adjust the horizontal height to ensure stable operation.

3. The line-scan light source inspection apparatus for PCB production of claim 2, wherein: The rotating assembly (201) includes a motor (2011) and a turntable (2012). The motor (2011) is installed below the operating table (1011) and drives the turntable (2012) to rotate, thereby enabling the PCB board to perform multi-angle scanning, improving the integrity of image acquisition and detection accuracy.

4. The line scan light source inspection apparatus for PCB production of claim 3, wherein: The identification component (202) includes a fixing block (2021), a fixing frame (2022), a camera (2023), and a spotlight (2024). The fixing block (2021) is installed above the operating table (1011), and the fixing frame (2022) is connected to the fixing block (2021) to support the camera (2023) and the spotlight (2024).

5. The line-scan light source inspection apparatus for PCB production of claim 4, wherein: The camera (2023) is a high-resolution industrial camera with line scanning function, which can perform high-speed and high-precision image acquisition of PCB board surface lines, solder joints and defects; the spotlight (2024) is a ring-shaped supplementary lighting device, which is installed around the camera (2023) to provide uniform lighting and enhance image contrast and detail recognition capabilities.

6. The line-scan light source inspection apparatus for PCB production of claim 5, wherein: The identification component (202) uses an adjustable mounting bracket (2022) to adjust the height and angle of the camera (2023) and the spotlight (2024), adapting to the inspection needs of PCB boards of different thicknesses and sizes, improving the equipment's versatility and inspection flexibility, and meeting the requirements of modern PCB production lines for efficient and intelligent inspection.

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