A circuit board scratch detection auxiliary mechanism

Abstract

The utility model discloses a kind of line board scratch detection auxiliary mechanisms, including bottom support structure, upper support structure, product detection fixture, press mechanism and scratch collection mechanism, the upper support structure is installed on bottom support structure, press mechanism, scratch collection mechanism are installed on upper support structure, the product detection fixture is installed on bottom support structure, and product mounting plate is installed on product detection fixture;The utility model passes through the driving of cylinder to realize the collection of information on line board, the detection of scratch on subsequent line board is facilitated, and detection efficiency is improved, by the action of product mounting plate and visual camera, again through pressing plate stick mounting plate and press bar up and down movement.

Description

Technical Field

[0001] This utility model relates to an auxiliary mechanism for detecting scratches on circuit boards. Background Technology

[0002] During the manufacturing, processing, and assembly of electronic components, circuit boards and their printed circuits can be damaged in various ways, severely affecting their usability and even causing product failure. Therefore, timely and accurate detection of surface scratches on circuit boards is crucial during production. However, existing detection methods largely rely on manual visual inspection or simple mechanical positioning, resulting in low efficiency, high false positive rates, and poor stability, making it difficult to meet the high-precision inspection requirements of automated production lines. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a circuit board scratch detection auxiliary mechanism that is easy to use, highly automated, can assist in completing the circuit board detection operation, improve detection efficiency, and has practicality and wide applicability.

[0004] To solve the above problems, the present invention adopts the following technical solution: A circuit board scratch detection auxiliary mechanism includes a bottom support structure, an upper support structure, a product detection fixture, a pressing mechanism, and a scratch collection mechanism. The upper support structure is mounted on the bottom support structure, the pressing mechanism and the scratch collection mechanism are mounted on the upper support structure, the product detection fixture is mounted on the bottom support structure, and a product mounting plate is mounted on the product detection fixture. The bottom support structure includes a tabletop, a horizontal plate, a column mounting plate, and columns. The horizontal plate is installed on the tabletop, the column mounting plate is installed on the horizontal plate, and the columns are fixed on the column mounting plate. The upper support structure includes a cylinder mounting plate, a reinforcing plate, and a support plate. The cylinder mounting plate is mounted on the column; the reinforcing plate is mounted on the cylinder mounting plate, and both ends of the reinforcing plate are connected to the column. The pressing mechanism includes a support plate, a pressure bar mounting plate, and a cylinder. The cylinder is mounted on the cylinder mounting plate, and a flange is installed on the telescopic end of the cylinder. The flange is connected to the support plate, and the cylinder pushes the support plate to move up and down. The scratch acquisition mechanism includes a fixed base, a fixed rod, a guide rod, a camera mounting base, and a vision camera. The fixed base is mounted on a cylinder mounting plate, the fixed rod is mounted on the fixed base, the guide rod is mounted on the fixed rod, the camera mounting base is connected to the fixed rod, and the vision camera is mounted on the camera mounting base.

[0005] Preferably, a bushing is installed on the cylinder mounting plate, and an optical shaft is provided in the bushing. One end of the optical shaft passes through the cylinder mounting plate and is connected to the support plate. A locking element is provided at the connection between the optical shaft and the support plate.

[0006] Preferably, a connecting rod connects the pallet and the pressure bar mounting plate, and a guide rod and a pressure bar are installed at the bottom of the pressure bar mounting plate.

[0007] Preferably, brackets are installed at both ends of the support plate, the brackets have an L-shaped cross-section, and the support plate is installed between the brackets; a positioning block is provided at the end of the bracket that connects to the support plate.

[0008] Preferably, the bottom of the tray is provided with a light source mounting plate, and a light source is mounted on the light source mounting plate.

[0009] Preferably, a sensing scale is installed on the support plate, and a sensor that cooperates with the sensing scale is installed on the cylinder mounting plate.

[0010] The beneficial effects of this utility model are: 1. By using a sensor and a scale to detect the extension and retraction distance of the cylinder, the fixing force or distance of the pressure plate and the pressure bar on the circuit board can be controlled, thus fixing the circuit board without damaging it.

[0011] 2. By adjusting the light source settings, supplementary lighting is provided to the visual camera, thereby improving the stability and accuracy of information acquisition by the visual camera.

[0012] 3. The L-shaped bracket facilitates the placement, installation, and removal of the tray, and makes it easy to replace the pressure bar mounting plate according to the needs of the circuit board.

[0013] 4. The guide rod increases the accuracy of the direction of the pressure bar during its downward movement, ensuring that the pressure bar accurately presses onto the set position on the circuit board, thereby facilitating the visual camera to capture images of the circuit board information.

[0014] 5. The optical shaft and bushing increase the stability of the cylinder pushing the support plate during movement; the locking mechanism facilitates the installation of the optical shaft.

[0015] 6. The reinforcing plate increases the structural strength of the cylinder mounting plate, prevents deformation of the cylinder mounting plate, and increases the stability of the cylinder during use.

[0016] 7. By setting up a bottom support structure, an upper support structure, a product testing fixture, a pressing mechanism, and a scratch collection mechanism, information from the corresponding area on the circuit board is collected, facilitating subsequent detection of scratches on the circuit board; it has a high degree of automation, can assist in completing the circuit board testing operation, improve testing efficiency, and is practical and widely applicable. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below, but this is not a limitation on the protection scope of this utility model.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of this utility model; Figure 3 This is a schematic diagram of the installation of the vision camera of this utility model; Figure 4 This is a schematic diagram of the light source installation of this utility model.

[0019] The components are as follows: 1. Tabletop, 2. Product testing fixture, 3. Product mounting plate, 4. Horizontal plate, 5. Column mounting plate, 6. Column, 7. Cylinder mounting plate, 8. Reinforcing plate, 9. Support plate, 10. Support plate, 11. Pressure bar mounting plate, 12. Cylinder, 13. Optical axis, 14. Bushing, 15. Locking component, 16. Flange, 17. Fixing seat, 18. Fixing rod, 19. Guide rod, 20. Camera mounting seat, 21. Vision camera, 22. Sensing scale, 23. Sensor, 24. Bracket, 25. Light source mounting plate, 26. Light source, 27. Connecting rod, 28. Guide rod, 29. Pressure bar, 30. Frame 1, 31. Frame 2, 32. Frame 3, 33. Positioning block. Detailed Implementation

[0020] See Figures 1 to 4 The circuit board scratch detection auxiliary mechanism shown includes a bottom support structure, an upper support structure, a product detection fixture 2, a pressing mechanism, and a scratch collection mechanism. The upper support structure is installed on the bottom support structure, the pressing mechanism and the scratch collection mechanism are installed on the upper support structure, the product detection fixture is installed on the bottom support structure, and a product mounting plate 3 is installed on the product detection fixture.

[0021] Furthermore, the bottom support structure includes a tabletop 1, a horizontal plate 4, a column mounting plate 5, and a column 6. The horizontal plate 4 is mounted on the tabletop 1, the column mounting plate 5 is mounted on the horizontal plate 4, and the column 6 is fixed on the column mounting plate 5.

[0022] Furthermore, the upper support structure includes a cylinder mounting plate 7, a reinforcing plate 8, and a support plate 9. The cylinder mounting plate 7 is mounted on the column 6; the reinforcing plate 8 is mounted on the cylinder mounting plate 7, and both ends of the reinforcing plate 8 are connected to the column 6.

[0023] Furthermore, the pressing mechanism includes a support plate 10, a pressure bar mounting plate 11, and a cylinder 12. The cylinder 12 is mounted on the cylinder mounting plate 7, and a flange 16 is installed on the telescopic end of the cylinder 12. The flange 16 is connected to the support plate 9, and the cylinder 12 pushes the support plate 9 to move up and down.

[0024] Furthermore, the scratch acquisition mechanism includes a fixed base 17, a fixed rod 18, a guide rod 19, a camera mounting base 20, and a vision camera 21. The fixed base 17 is mounted on the cylinder mounting plate 7, the fixed rod 18 is mounted on the fixed base 17, the guide rod 19 is mounted on the fixed rod 18, the camera mounting base 20 is connected to the fixed rod 18, and the vision camera 21 is mounted on the camera mounting base 20.

[0025] Furthermore, a bushing 14 is installed on the cylinder mounting plate 7, and an optical shaft 13 is provided in the bushing 14. One end of the optical shaft 13 passes through the cylinder mounting plate 7 and is connected to the support plate 9. A locking member 15 is provided at the connection between the optical shaft 13 and the support plate 9.

[0026] Furthermore, a connecting rod 27 is connected between the pallet 10 and the pressure bar mounting plate 11, and a guide rod 28 and a pressure bar 29 are installed at the bottom of the pressure bar mounting plate 11.

[0027] Furthermore, brackets 24 are installed at both ends of the support plate 9. The cross-section of the brackets 24 is L-shaped, and the support plate 10 is installed between the brackets 24. A positioning block 33 is provided at one end of the bracket 24 that is connected to the support plate 9.

[0028] Furthermore, a light source mounting plate 25 is provided at the bottom of the tray 10, and a light source 26 is mounted on the light source mounting plate 25.

[0029] Furthermore, a sensor scale 22 is installed on the support plate 9, and a sensor 23 that cooperates with the sensor scale is installed on the cylinder mounting plate 7.

[0030] Furthermore, the cylinder mounting plate 7 is provided with a mouth frame 30.

[0031] Furthermore, the support plate is provided with a second frame 31.

[0032] Furthermore, the pressure plate mounting plate is provided with a second frame 32.

[0033] Furthermore, the product testing fixture is mounted on a table panel, and a product mounting plate is installed on the upper end of the product testing fixture. The product mounting plate is used to place the circuit board to be tested.

[0034] Furthermore, the pressure bar is mounted on the pressure bar mounting plate.

[0035] During implementation, the product testing fixture has guide holes that cooperate with the guide rod.

[0036] The cylinder of this utility model is connected to an external air source device through an air pipe, which is a conventional setting and will not be described in detail.

[0037] The shape and position of the pressure plate and pressure bar mounting plate of this utility model can be adjusted or replaced according to the needs of the detection circuit.

[0038] The product mounting plate of this utility model can be changed and adjusted according to the style and shape of the test circuit board.

[0039] The visual camera of this invention is connected to an external computing device or image processing device to process the image information acquired by the visual camera and determine whether there are scratches or other issues on the circuit board.

[0040] In use, this auxiliary testing mechanism is installed on a circuit board testing equipment or testing line. A robotic arm places the circuit board to be tested onto a product mounting plate. Then, a cylinder drives the mounting plate and pressure bar to move downwards, bringing the pressure bar into contact with and fixing the circuit board. Subsequently, a vision camera captures images of the circuit board, and the collected information is transmitted to an image processing device. After analysis and comparison, the presence of scratches on the circuit board is determined. After testing, the cylinder drives the pressure bar back, and the robotic arm picks up and removes the circuit board.

[0041] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. An auxiliary mechanism for detecting scratches on circuit boards, characterized in that: It includes a bottom support structure, an upper support structure, a product testing fixture, a pressing mechanism, and a scratch collection mechanism. The upper support structure is mounted on the bottom support structure, the pressing mechanism and the scratch collection mechanism are mounted on the upper support structure, the product testing fixture is mounted on the bottom support structure, and a product mounting plate is mounted on the product testing fixture. The bottom support structure includes a tabletop, a horizontal plate, a column mounting plate, and columns. The horizontal plate is installed on the tabletop, the column mounting plate is installed on the horizontal plate, and the columns are fixed on the column mounting plate. The upper support structure includes a cylinder mounting plate, a reinforcing plate, and a support plate. The cylinder mounting plate is mounted on the column; the reinforcing plate is mounted on the cylinder mounting plate, and both ends of the reinforcing plate are connected to the column. The pressing mechanism includes a support plate, a pressure bar mounting plate, and a cylinder. The cylinder is mounted on the cylinder mounting plate, and a flange is installed on the telescopic end of the cylinder. The flange is connected to the support plate, and the cylinder pushes the support plate to move up and down. The scratch acquisition mechanism includes a fixed base, a fixed rod, a guide rod, a camera mounting base, and a vision camera. The fixed base is mounted on a cylinder mounting plate, the fixed rod is mounted on the fixed base, the guide rod is mounted on the fixed rod, the camera mounting base is connected to the fixed rod, and the vision camera is mounted on the camera mounting base.

2. The circuit board scratch detection auxiliary mechanism according to claim 1, characterized in that: A bushing is installed on the cylinder mounting plate, and an optical shaft is provided in the bushing. One end of the optical shaft passes through the cylinder mounting plate and is connected to the support plate. A locking element is provided at the connection between the optical shaft and the support plate.

3. The circuit board scratch detection auxiliary mechanism according to claim 1, characterized in that: A connecting rod connects the pallet and the pressure bar mounting plate, and a guide rod and a pressure bar are installed at the bottom of the pressure bar mounting plate.

4. The circuit board scratch detection auxiliary mechanism according to claim 1, characterized in that: The support plate has brackets installed at both ends, and the brackets have an L-shaped cross-section. The support plate is installed between the brackets. A positioning block is provided at the end of the bracket that connects to the support plate.

5. The circuit board scratch detection auxiliary mechanism according to claim 1, characterized in that: The bottom of the tray is provided with a light source mounting plate, and a light source is mounted on the light source mounting plate.

6. The circuit board scratch detection auxiliary mechanism according to claim 1, characterized in that: A sensor scale is mounted on the support plate, and a sensor that works in conjunction with the sensor scale is mounted on the cylinder mounting plate.

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