Printed circuit board drilling detection equipment
By introducing an adjustable stage and a high-brightness LED light board into the printed circuit board drilling inspection equipment, and using a reflector plate and a servo motor for light source control, the problems of shadows and reflections caused by improper light sources have been solved, resulting in clearer drilling inspection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUIZHOU RONGGUANG ELECTRONIC TECH CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-04-17
AI Technical Summary
Existing printed circuit board drilling inspection equipment is prone to problems such as shadows, reflections, or image blurring when the light source is not set properly, which affects the judgment of drilling quality.
An adjustable stage and high-brightness LED light panel, combined with a reflector plate and servo motor, enable precise control of the light source and auxiliary lighting, ensuring the clarity of the inspection.
It improves the clarity and accuracy of borehole inspection, reduces shadows and reflections, and enhances the judgment ability of the inspection instrument.
Smart Images

Figure CN224136563U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of printed circuit board manufacturing technology, specifically to a drilling and inspection device for printed circuit boards. Background Technology
[0002] Printed circuit board (PCB) drilling inspection equipment is mainly used to inspect the accuracy, diameter, position, and wear of the drill bit during the drilling process. This equipment primarily utilizes high-precision sensors and image processing technology to accurately measure and analyze the drilling process. Sensors capture information such as the geometric dimensions and positional accuracy of the drilled holes, while image processing technology identifies and analyzes the post-drilling images to determine the drilling quality.
[0003] In the inspection of printed circuit boards (PCBs), the control of light source illumination is indeed a crucial factor. Existing inspection equipment generally relies on indoor or outdoor light sources. Improper light source settings can lead to problems such as shadows, reflections, or blurry images, all of which can affect the inspection instrument's judgment of drilling quality. To address these issues, this invention provides a PCB drilling inspection device to solve the aforementioned problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this invention provides a printed circuit board (PCB) drilling inspection device, solving the problem that controlling the light source is indeed a crucial factor in the PCB inspection process. Existing inspection equipment generally relies on indoor or outdoor light sources, and improper light source settings can lead to problems such as shadows, reflections, or blurry images, all of which can affect the inspection instrument's judgment of drilling quality.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a printed circuit board drilling inspection device, comprising a movable inspection mechanism, one end of which is provided with an adjustable platform. The adjustable platform includes a base, a cylinder, a support plate, and an auxiliary illumination plate. The cylinder is fixedly connected within the base, the support plate is slidably connected to the top of the base, and the support plate is fixedly connected to the power output end of the cylinder. An LED high-brightness light plate is installed on the top of the support plate. The support plate supports the workpiece to be inspected, the LED high-brightness light plate illuminates the workpiece to be inspected, and the auxiliary illumination plate is rotatably connected to both ends of the support plate, providing auxiliary illumination for the workpiece to be inspected.
[0006] Preferably, the pedestal is fixedly connected to four support columns at its four ends, and four sets of support columns are provided. A rotating shaft is fixedly connected to the top of each support column. A first servo motor is installed at one end of the rotating shaft. The auxiliary illumination plate is rotatably connected inside the rotating shaft and is fixedly connected to the power output end of the first servo motor.
[0007] Preferably, a reflector plate is fixedly connected to the inner side of the auxiliary illumination plate. The reflector plate is used to reflect the LED high-brightness light panel. Sliding blocks are fixedly connected to both ends of the support plate. The sliding blocks are slidably connected inside the support column.
[0008] Preferably, the movable detection mechanism includes: a support box, a movable support block, and a detection instrument. The movable support block is slidably connected inside the support box, and a fixed block is fixedly connected to one end of the movable support block. The detection instrument is fixedly connected inside the fixed block.
[0009] Preferably, a second servo motor is fixedly connected to the outer end of the support box, a long lead screw is rotatably connected inside the support box, the long lead screw is fixedly connected to the power output end of the second servo motor, and the movable support block is threadedly connected to the long lead screw.
[0010] Preferably, a base is fixedly connected to the bottom of the support box, and the pedestal is fixedly connected to the base.
[0011] This utility model discloses a printed circuit board drilling inspection device, which has the following beneficial effects: This printed circuit board drilling inspection device sets an LED high-brightness light board on the support plate, so that the LED high-brightness light board can shine through the drill hole during inspection, allowing the inspection mechanism to more clearly inspect the visual image of the drill hole. At the same time, the adjustable reflector plates at both ends allow the excess light from the LED high-brightness light board to be collected and emitted onto the printed circuit board for auxiliary lighting. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.
[0013] Figure 1 This is a schematic diagram of the overall front structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the overall side structure of this utility model;
[0015] Figure 3 This is a schematic diagram showing the detailed structure of the adjustable platform of this utility model;
[0016] Figure 4 This is a schematic diagram of the overall structure of the mobile detection mechanism of this utility model.
[0017] In the diagram: 1. Base; 2. Adjustable stage; 21. Platform; 211. Support column; 212. Rotating shaft; 213. First servo motor; 22. Cylinder; 23. Support plate; 231. Sliding block; 232. LED high-brightness light panel; 24. Auxiliary illumination plate; 241. Reflector plate; 3. Movable detection mechanism; 31. Support box; 311. Second servo motor; 312. Long lead screw; 32. Movable support block; 321. Fixed block; 33. Detection instrument. Detailed Implementation
[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0019] This application provides a printed circuit board (PCB) drilling inspection device, addressing the crucial role of light source control in PCB inspection. Existing inspection equipment typically relies on indoor or outdoor light sources, and improper light source settings can lead to problems such as shadows, reflections, or blurry images, all of which can affect the inspection instrument's judgment of drilling quality.
[0020] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0021] This utility model discloses a printing circuit board drilling inspection device.
[0022] Example 1
[0023] According to the appendix Figure 1-4 As shown,
[0024] The device includes a movable testing mechanism 3, one end of which is equipped with an adjustable platform 2. The adjustable platform 2 includes a base 21, a cylinder 22, a support plate 23, and an auxiliary illumination plate 24. The cylinder 22 is fixedly connected inside the base 21. The support plate 23 is slidably connected to the top of the base 21 and fixedly connected to the power output end of the cylinder 22. An LED high-brightness light plate 232 is installed on the top of the support plate 23. The support plate 23 is used to support the workpiece to be tested, and the LED high-brightness light plate 232 is used to illuminate the workpiece to be tested. The auxiliary illumination plate 24 is rotatably connected to both ends of the support plate 23 and is used to provide auxiliary illumination for the workpiece to be tested.
[0025] The base 21 is fixedly connected to four support columns 211. There are four sets of support columns 211. The top of the support column 211 is fixedly connected to a rotating shaft 212. A first servo motor 213 is installed at one end of the rotating shaft 212. The auxiliary light plate 24 is rotatably connected inside the rotating shaft 212. The auxiliary light plate 24 is fixedly connected to the power output end of the first servo motor 213.
[0026] A reflector plate 241 is fixedly connected to the inner side of the auxiliary illumination plate 24. The reflector plate 241 is used to reflect the LED high-brightness light plate 232. Sliding blocks 231 are fixedly connected to both ends of the support plate 23. The sliding blocks 231 are slidably connected inside the support column 211.
[0027] In use, the circuit board is placed on the LED high-brightness light board 232, which illuminates the circuit board. The auxiliary lighting is provided by the auxiliary lighting boards 24 at both ends. The LED high-brightness light board 232 is reflected by the reflector plate 241, and the angle of the reflector plate 241 is adjusted by the first servo motor 213, so that the circuit board can be better inspected for appearance.
[0028] Example 2
[0029] Based on Example 1, according to Appendix Figure 1-4 As shown,
[0030] The movable testing mechanism 3 includes a support box 31, a movable support block 32, and a testing instrument 33. The movable support block 32 is slidably connected inside the support box 31, and a fixed block 321 is fixedly connected to one end of the movable support block 32. The testing instrument 33 is fixedly connected inside the fixed block 321.
[0031] A second servo motor 311 is fixedly connected to the outer end of the support box 31. A long lead screw 312 is rotatably connected inside the support box 31. The long lead screw 312 is fixedly connected to the power output end of the second servo motor 311. The movable support block 32 is threadedly connected to the long lead screw 312.
[0032] The support box 31 is fixedly connected to the base 1 at the bottom, and the platform 21 is fixedly connected to the base 1.
[0033] The movable support block 32 is moved left and right by the long lead screw 312, which allows the testing instrument 33 to have a larger range of motion and can perform detailed testing on various parts of the circuit board.
[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A printed wiring board drilling inspection apparatus comprising a movable inspection mechanism (3), characterized by, One end of the movable detection mechanism (3) is provided with an adjustable stage (2), the adjustable stage (2) comprising: Pedestal (21); Cylinder (22), which is fixedly connected to the base (21); Support plate (23), which is slidably connected to the top of the platform (21), and fixedly connected to the power output end of the cylinder (22), with an LED high-brightness light plate (232) installed on the top of the support plate (23). The support plate (23) is used to support the test piece, and the LED high-brightness light plate (232) is used to illuminate the test piece. An auxiliary illumination plate (24) is rotatably connected to both ends of a support plate (23) and is used to provide auxiliary illumination for the part to be tested.
2. The printed wiring board hole inspection apparatus according to claim 1, wherein: The pedestal (21) is fixedly connected to four support columns (211) at its four ends. The support columns (211) are provided in four sets. The top of the support column (211) is fixedly connected to a rotating shaft (212). A first servo motor (213) is installed at one end of the rotating shaft (212). The auxiliary illumination plate (24) is rotatably connected inside the rotating shaft (212). The auxiliary illumination plate (24) is fixedly connected to the power output end of the first servo motor (213).
3. The printed wiring board hole inspection apparatus according to claim 2, wherein: A reflector plate (241) is fixedly connected to the inner side of the auxiliary illumination plate (24). The reflector plate (241) is used to reflect the LED high-brightness light plate (232). Sliding blocks (231) are fixedly connected to both ends of the support plate (23). The sliding blocks (231) are slidably connected inside the support column (211).
4. The printed wiring board hole inspection apparatus according to claim 1, characterized by: The mobile detection mechanism (3) includes: Support box (31); A movable support block (32) is slidably connected inside a support box (31), and a fixed block (321) is fixedly connected to one end of the movable support block (32). The testing instrument (33) is fixedly connected inside the fixing block (321).
5. The printed circuit board drilling inspection equipment according to claim 4, characterized in that: A second servo motor (311) is fixedly connected to the outer end of the support box (31), and a long screw (312) is rotatably connected inside the support box (31). The long screw (312) is fixedly connected to the power output end of the second servo motor (311), and the movable support block (32) is threadedly connected to the long screw (312).
6. The printed wiring board hole inspection apparatus according to claim 4, wherein: The support box (31) is fixedly connected to the base (1) at the bottom end, and the platform (21) is fixedly connected to the base (1).