Circuit board hole site detection device
By designing the operating table and driving mechanism of the circuit board hole position detection device, the difficulty of position adjustment in the circuit board hole position detection is solved, and the stable limit and detection accuracy of the circuit board are improved.
Patent Information
- Application Number
- CN202420586899.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-25
AI Technical Summary
At this stage, the circuit board hole position detection device requires staff to continuously adjust the position between the PCB board and the CCD camera, making it difficult to ensure the detection accuracy.
A circuit board hole position detection device is designed, including an operating table, a slider, a placement board and a driving mechanism. Through the coordination of the slider and a drive motor, the precise position adjustment of the placement board and the limit of the circuit board are realized, ensuring the detection of the lens. Board stability.
The device facilitates the adjustment of the position of the placing board, maintains the stability of the circuit board, avoids deviation, and improves detection accuracy.
Smart Images
Figure CN222166001U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit board hole position detection, in particular to a circuit board hole position detection device. Background Art
[0002] The names of circuit boards include: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum base board, high-frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. Circuit boards miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and optimizing the layout of electrical appliances. Circuit boards can be called printed circuit boards or printed circuit boards.
[0003] During the production and processing of circuit boards, the hole positions need to be positioned and detected in order to detect whether the drilling quality meets the design requirements. When any possible defects or problems are found, they need to be repaired or replaced in time. At present, the detection device requires staff to constantly adjust the position between the PCB board and the CCD camera during use to ensure the shooting accuracy of the CCD camera. Utility Model Content
[0004] The utility model provides a circuit board hole position detection device to solve the problems in the background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board hole position detection device, comprising an operating table, a slide plate is slidably provided on the top of the operating table, the top four corners of the slide plate are connected to a placement plate through supporting columns, a through slot is formed on the placement plate, the inner wall of the through slot is formed with a convex edge for placing the circuit board, a movable slot is also formed inside the placement plate, through holes connecting the through slot and the movable slot are formed on the inner walls on both sides of the placement plate, limit blocks driven by a driving mechanism are movably provided in the two through holes, the limit blocks are used to limit the circuit board placed on the convex edge, an overall L-shaped mounting plate is fixedly connected to one side of the top of the operating table, a cylinder is installed on the mounting plate, the output shaft of the cylinder is connected to a lifting plate, and a detection lens for detecting the hole position of the circuit board is provided below the lifting plate.
[0006] Furthermore, the driving mechanism includes a first movable rod, a second movable rod, a first rack and a first gear located in the movable groove. A driving motor with an output shaft extending into the inner cavity of the movable groove is installed on the top of the placement plate. The first gear is sleeved on the output shaft of the driving motor. The first movable rod and the second movable rod are each provided with a first rack meshing with the first gear on one side close to each other. One end of the first movable rod and the second movable rod is connected to the limit block via an L-shaped connecting rod.
[0007] Furthermore, a notch communicating with the through groove is formed on one side of the top of the placement plate.
[0008] Furthermore, a linear bearing is installed on the top of the mounting plate, and a guide rod that movably passes through the mounting plate and the linear bearing is fixedly connected to the top of the lifting plate.
[0009] Furthermore, a second rack is installed on the top of the operating table, a driving motor is installed on the bottom of the slide, and an output shaft sleeve of the driving motor is provided with a second gear meshing with the second rack.
[0010] Furthermore, linear guide rails are installed on both sides of the second rack at the top of the operating table, and sliding blocks that are matched and slidably connected with the linear guide rails are installed at the bottom of the slide.
[0011] Compared with the prior art, the utility model provides a circuit board hole position detection device, which has the following beneficial effects: the circuit board hole position detection device can conveniently adjust the position of the placement plate below the detection lens during the process of detecting the circuit board hole position, and can limit the circuit board placed on the placement plate 4 during the adjustment process, thereby maintaining the stability of the circuit board and avoiding the circuit board from shifting. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the structure of the utility model;
[0013] Figure 2 It is a structural schematic diagram of a placement plate of the utility model;
[0014] Figure 3 It is a plan view of a placement plate of the utility model;
[0015] Figure 4 It is an enlarged schematic diagram of point A of the present utility model.
[0016] In the figure: 1. operating table; 2. slide plate; 3. support column; 4. placement plate; 5. through groove; 6. convex edge; 7. movable groove; 8. through hole; 9. limit block; 10. first movable rod; 11. second movable rod; 12. first rack; 13. first gear; 14. drive motor; 15. connecting rod; 16. notch; 17. mounting plate; 18. cylinder; 19. guide rod; 20. lifting plate; 21. second rack; 22. drive motor; 23. second gear; 24. linear guide. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-4 The utility model discloses a circuit board hole position detection device, including an operating table 1, a slide plate 2 is slidably provided on the top of the operating table 1, and the top four corners of the slide plate 2 are connected to a placement plate 4 through supporting columns 3. A through slot 5 is provided on the placement plate 4, and a convex edge 6 for placing the circuit board is formed on the inner wall of the through slot 5. A movable slot 7 is also formed inside the placement plate 4, and through holes 8 connecting the through slot 5 and the movable slot 7 are provided on the inner walls of both sides of the placement plate 4. Limiting blocks 9 driven by a driving mechanism are movably provided in the two through holes 8, and the limiting blocks 9 are used to limit the circuit board placed on the convex edge 6. A mounting plate 17 in an L-shape as a whole is fixedly connected to one side of the top of the operating table 1, and a cylinder 18 is installed on the mounting plate 17. The output shaft of the cylinder 18 is connected to a lifting plate 20, and a detection lens for detecting the hole position of the circuit board is provided below the lifting plate 20.
[0019] The detection lens is a CCD camera, and the CCD camera is provided with a detection light source and a telecentric lens.
[0020] Specifically, the driving mechanism includes a first movable rod 10, a second movable rod 11, a first rack 12 and a first gear 13 located in the movable groove 7. A driving motor 14 with an output shaft extending into the inner cavity of the movable groove 7 is installed on the top of the placement plate 4. The first gear 13 is sleeved on the output shaft of the driving motor 14. The first movable rod 10 and the second movable rod 11 are each provided with a first rack 12 meshing with the first gear 13 on one side where the first movable rod 10 and the second movable rod 11 are close to each other. One end of the first movable rod 10 and the second movable rod 11 is connected to the limit block 9 via an L-shaped connecting rod 15.
[0021] In this embodiment, when the circuit board is placed on the protruding edge 6, the first gear 13 is driven to rotate by the driving motor 14, which can engage and transmit the first rack 12 on the first movable rod 10 and the second movable rod 11, so that the first movable rod 10 and the second movable rod 11 move relative to each other, so that the connecting rod 15 can drive the limit block 9 to move, so that the limit block 9 cooperates to clamp the circuit board to limit the circuit board.
[0022] Specifically, a notch 16 communicating with the through groove 5 is formed on one side of the top of the placement plate 4 .
[0023] In this embodiment, the notch 16 is provided to facilitate taking and placing of the circuit board.
[0024] Specifically, a linear bearing is installed on the top of the mounting plate 17, and a guide rod 19 that movably passes through the mounting plate 17 and the linear bearing is fixedly connected to the top of the lifting plate 20.
[0025] In this embodiment, the guide rod 19 and the linear bearing are provided to guide the lifting and lowering of the lifting plate 20 .
[0026] The lifting plate 20 is driven by the air cylinder 18 to move up and down, and can adjust the height of the detection lens.
[0027] Specifically, a second rack 21 is installed on the top of the operating platform 1 , a driving motor 22 is installed on the bottom of the slide plate 2 , and an output shaft sleeve of the driving motor 22 is provided with a second gear 23 meshing with the second rack 21 .
[0028] In this embodiment, the second gear 23 is driven to rotate by the driving motor 22, so that the second gear 23 can move along the second rack 21, so that the skateboard 2 slides to drive the placement plate 4 installed above it to adjust its position.
[0029] Of course, a corresponding grating ruler can be installed on the top of the operating table 1 to accurately assist in positioning the movement of the slide plate 2.
[0030] Specifically, linear guide rails 24 are installed on both sides of the second rack 21 at the top of the operating table 1 , and sliding blocks matching and slidably connected with the linear guide rails 24 are installed at the bottom of the slide plate 2 .
[0031] In this embodiment, the cooperation between the linear guide rail 24 and the slider can guide the movement of the slide plate 2 .
[0032] To sum up, the circuit board hole position detection device can conveniently adjust the position of the placement plate 4 below the detection lens during the process of detecting the circuit board hole position. During the adjustment process, the circuit board placed on the placement plate 4 can be limited to maintain the stability of the circuit board and avoid circuit board deviation.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A circuit board hole position detection device, comprising an operating table (1), characterized in that: A slide plate (2) is slidably provided on the top of the operating table (1), and a placement plate (4) is connected to the four corners of the top of the slide plate (2) through support columns (3). A through slot (5) is provided on the placement plate (4), and a convex edge (6) for placing a circuit board is formed on the inner wall of the through slot (5). A movable slot (7) is also formed inside the placement plate (4). Through holes (8) communicating with the through slot (5) and the movable slot (7) are provided on the inner walls of both sides of the placement plate (4). Limiting blocks (9) driven by a driving mechanism are movably provided in the two through holes (8), and the limiting blocks (9) are used to limit the position of the circuit board placed on the convex edge (6). A mounting plate (17) in an L-shape as a whole is fixedly connected to one side of the top of the operating table (1), and a cylinder (18) is installed on the mounting plate (17). The output shaft of the cylinder (18) is connected to a lifting plate (20), and a detection lens for detecting the hole position of the circuit board is provided below the lifting plate (20).
2. A circuit board hole position detection device according to claim 1, characterized in that: The driving mechanism comprises a first movable rod (10), a second movable rod (11), a first rack (12) and a first gear (13) located in the movable groove (7); a driving motor (14) whose output shaft extends into the inner cavity of the movable groove (7) is installed on the top of the placement plate (4); the first gear (13) is sleeved on the output shaft of the driving motor (14); a first rack (12) meshing with the first gear (13) is provided on the side where the first movable rod (10) and the second movable rod (11) are close to each other; one end of the first movable rod (10) and the second movable rod (11) are connected to the limit block (9) via an L-shaped connecting rod (15).
3. A circuit board hole position detection device according to claim 1, characterized in that: A notch (16) communicating with the through groove (5) is formed on one side of the top of the placement plate (4).
4. A circuit board hole position detection device according to claim 1, characterized in that: A linear bearing is installed on the top of the mounting plate (17), and a guide rod (19) that movably passes through the mounting plate (17) and the linear bearing is fixedly connected to the top of the lifting plate (20).
5. A circuit board hole position detection device according to claim 1, characterized in that: A second rack (21) is installed on the top of the operating table (1), a driving motor (22) is installed on the bottom of the slide plate (2), and an output shaft sleeve of the driving motor (22) is provided with a second gear (23) meshing with the second rack (21).
6. A circuit board hole position detection device according to claim 5, characterized in that: The top of the operating table (1) is provided with linear guide rails (24) on both sides of the second rack (21), and the bottom of the slide plate (2) is provided with sliding blocks that match and slide with the linear guide rails (24).