PCB welding spot detection equipment
By introducing electron microscopes and light fixtures into PCB board solder joint detection equipment, combined with the design of electric slide rails and moving blocks, the problem that existing equipment cannot detect hidden solder joints is solved, and more detailed and accurate detection results are achieved.
Patent Information
- Application Number
- CN202420653992.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-04-01
AI Technical Summary
Existing PCB board solder joint detection equipment cannot effectively detect hidden solder joints and vibration detection cannot cover areas.
A PCB plate solder joint detection device including an electron microscope and a light fixture is designed, and the electrical connection with the display screen through an electron microscope, combined with the movement mechanism of the second electric slide rail and the second moving block is realized to detect different positions and angles.
Detailed inspection of concealed solder joints is realized, the accuracy and coverage of inspection are improved, and the damage to the equipment is avoided by manual inspection.
Smart Images

Figure CN222800587U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of PCB board solder joint detection, in particular to a PCB board solder joint detection device. Background Art
[0002] PCB is a key component in electronic equipment. The quality of welding directly affects the performance of the equipment. By using testing equipment, the quality of solder joints can be monitored in real time during the production process, potential welding problems can be discovered and solved early, and the products can be ensured to meet the quality standards. Defects that may occur during the welding process include cold solder joints, short circuits, poor solder joints, etc. The testing equipment can automatically or semi-automatically detect these problems on the production line to prevent defective products from entering the market and improve the reliability and stability of the products. The automated solder joint detection system can detect a large number of solder joints in a short time, which is much faster than manual detection. This helps to improve production efficiency, reduce waiting time on the production line, and speed up the production cycle of products.
[0003] After searching, a PCB solder joint detection device is disclosed in the announcement number: CN219161936U, including a base, a tray is arranged on the top of the base, spring components are fixedly connected at four corners between the tray and the base, a top plate is arranged on the top of the tray, and limit frames are arranged at both ends of the outer side wall of the top plate, and a slot is opened inside the limit frame. Through the cooperation between the motor, the paddle, the limit frame and the spring component, the motor drives the paddle to press the top plate, which is convenient for driving the PCB to be detected to vibrate in the limit frame, and is convenient for detecting the welding condition of the solder joint, without manual touching of the solder joint, avoiding damage to the PCB, and facilitating more accurate detection of the quality of the PCB and improving the accuracy of the rate of excellent products.
[0004] The above application has the problem that hidden welding points cannot be detected by vibration detection. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a PCB board solder joint detection device, which aims to improve the problem that hidden solder joints cannot be detected by vibration detection.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCB board solder joint detection device, comprising a workbench, a first card slot is provided on the top of the workbench, a sliding assembly is provided inside the first card slot, a base is fixedly connected to the outside of the sliding assembly, both ends of the top of the base are fixedly connected to fixed blocks, one side of the fixed block is fixedly connected to a telescopic block, one end of the telescopic block is fixedly connected to a clamping block, the top of the workbench is fixedly connected to a box, a second card slot is provided inside the top of the box, a second electric slide rail is fixedly connected inside the second card slot, a second moving block is slidably connected to the outside of the second electric slide rail, a connecting block is fixedly connected to the outside of the second moving block, a second motor is fixedly connected to the inside of one end of the connecting block, a rotating block is rotatably connected to the outside of one end of the connecting block, an electron microscope is fixedly connected to the bottom of one end of the rotating block, a display screen is fixedly connected to the outside of the box, a function key is fixedly connected to the bottom of the display screen, a first motor is fixedly connected to the inside of both ends of the box, a gear is fixedly connected to the output end of the first motor, and a lighting lamp is fixedly connected to the outside of the gear.
[0007] Preferably, the sliding assembly includes a first electric slide rail, the outside of the first electric slide rail is fixedly connected to the inside of the first slot, the outside of the first electric slide rail is slidably connected to a first moving block, and the top of the first moving block is fixedly connected to the bottom of the base.
[0008] Preferably, the first motor, the second motor, the first electric slide rail, and the second electric slide rail are all electrically connected to the function keys.
[0009] Preferably, the bottom of the clamping block is in close contact with the outside of the base, and the clamping block is made of rubber.
[0010] Preferably, the output end of the second motor passes through the connecting block and is fixedly connected to the inside of one end of the rotating block.
[0011] Preferably, the four ends of the bottom of the workbench are fixedly connected with support legs.
[0012] Preferably, the electron microscope is electrically connected to the display screen.
[0013] Preferably, a spring is placed inside the telescopic block.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, the electronic microscope is electrically connected to the display screen to detect the welding conditions of the welding points in more detail. The second electric slide rail drives the second movable block to move, the second movable block drives the connecting block to move, the connecting block drives the rotating block to move, and the rotating block drives the electron microscope to move, thereby achieving the effect of detecting different positions. The second motor installed inside the connecting block drives the rotating block to rotate, thereby achieving the effect of adjusting different angles for detection.
[0016] 2. In the utility model, the base is driven to move by the first card slot provided inside the workbench and the sliding assembly provided inside, and the fixed block fixedly connected to the top of the base, the telescopic block fixedly connected to one side of the fixed block and the clamping block are used to achieve the effect of clamping and fixing the detection objects of different sizes, and the detection object can be driven to move by the first electric slide rail to avoid the damage to the detection object caused by long-term contact of the hand with the detection object.
[0017] 3. In the utility model, the first motor drives the gear to rotate, and the gear rotation drives the lighting lamp fixedly connected thereto to adjust the angle. The lighting lamp can illuminate the detection object, and the first motor drives the lighting lamp to rotate, so that the lighting effect can be adjusted to different angles. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A three-dimensional diagram of a PCB solder joint detection device proposed by the utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of a box of a PCB solder joint detection device proposed by the utility model;
[0020] Figure 3 This is a schematic diagram of the second motor structure of a PCB solder joint detection device proposed by the utility model.
[0021] Legend:
[0022] 1. Workbench; 2. First card slot; 3. First electric slide rail; 4. Base; 5. First moving block; 6. Clamping block; 7. Telescopic block; 8. Fixed block; 9. Display screen; 10. Function keys; 11. Box; 12. Support legs; 13. Second card slot; 14. Second electric slide rail; 15. Second moving block; 16. Connecting block; 17. Rotating block; 18. Electron microscope; 19. Lighting lamp; 20. First motor; 21. Gear; 22. Second motor. DETAILED DESCRIPTION
[0023] 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.
[0024] Reference Figure 1-3 The utility model provides an embodiment: a PCB board solder joint detection device, including a workbench 1, a first card slot 2 is provided on the top of the workbench 1, a sliding assembly is provided inside the first card slot 2, a base 4 is fixedly connected to the outside of the sliding assembly, a fixed block 8 is fixedly connected to both ends of the top of the base 4, a telescopic block 7 is fixedly connected to one side of the fixed block 8, a clamping block 6 is fixedly connected to one end of the telescopic block 7, a box 11 is fixedly connected to the top of the workbench 1, a second card slot 13 is provided inside the top of the box 11, a second electric slide rail 14 is fixedly connected to the inside of the second card slot 13, and a second The electric slide rail 14 is externally slidably connected to a second moving block 15, the second moving block 15 is externally fixedly connected to a connecting block 16, one end of the connecting block 16 is internally fixedly connected to a second motor 22, one end of the connecting block 16 is externally rotatably connected to a rotating block 17, one end of the rotating block 17 is fixedly connected to an electron microscope 18 at the bottom, the outer side of the box 11 is fixedly connected to a display screen 9, the bottom of the display screen 9 is fixedly connected to a function button 10, both ends of the box 11 are internally fixedly connected to a first motor 20, the output end of the first motor 20 is fixedly connected to a gear 21, and the outer side of the gear 21 is fixedly connected to the outer side of the gear 21. A lighting lamp 19 is connected; the electron microscope 18 is electrically connected to the display screen 9 to achieve a more detailed detection of the welding condition of the welding point, the second electric slide rail 14 drives the second moving block 15 to move, the second moving block 15 drives the connecting block 16 to move, the connecting block 16 drives the rotating block 17 to move, and the rotating block 17 drives the electron microscope 18 to move, so as to achieve the effect of detecting different positions, and the second motor 22 installed inside the connecting block 16 drives the rotating block 17 to rotate, so as to achieve the effect of adjusting different angles for detection, and by opening a The first card slot 2 inside the platform 1 and the sliding assembly provided inside drive the base 4 to move. Through the fixed block 8 fixedly connected to the top of the base 4, the telescopic block 7 fixedly connected to the side of the fixed block 8, and the clamping block 6, the effect of clamping and fixing the detection objects of different sizes is achieved. The first motor 20 drives the gear 21 to rotate, and the rotation of the gear 21 drives the lighting lamp 19 fixedly connected to it to adjust the angle. The lighting lamp 19 can illuminate the detection object, and the first motor 20 drives the lighting lamp 19 to rotate, so that different angles can be adjusted to achieve the lighting effect.
[0025] Reference Figure 1 The sliding assembly includes a first electric slide rail 3, the outside of the first electric slide rail 3 is fixedly connected to the inside of the first card slot 2, the outside of the first electric slide rail 3 is slidably connected to a first moving block 5, and the top of the first moving block 5 is fixedly connected to the bottom of the base 4; the first moving block 5 is driven to move by the first electric slide rail 3, and the base 4 is driven to move by the movement of the first moving block 5, and the first electric slide rail 3 can drive the detection object to move, thereby preventing the hand from contacting the detection object for a long time and causing harm to the detection object.
[0026] Reference Figure 1 , Figure 3 The first motor 20, the second motor 22, the first electric slide rail 3, and the second electric slide rail 14 are all electrically connected to the function button 10; by electrically connecting the first motor 20, the second motor 22, the first electric slide rail 3, and the second electric slide rail 14 to the function button 10, the function of the device can be more conveniently controlled.
[0027] Reference Figure 1 The bottom of the clamping block 6 is in close contact with the outside of the base 4, and the clamping block 6 is made of rubber. The clamping block 6 is made of rubber to prevent the clamped object from being damaged.
[0028] Reference Figure 3 The output end of the second motor 22 passes through the connecting block 16 and is fixedly connected to one end of the rotating block 17; by fixing the output end of the second motor 22 to the inside of the rotating block 17, the rotating block 17 can be rotated.
[0029] Reference Figure 1 The four ends of the bottom of the workbench 1 are fixedly connected with support legs 12; the support legs 12 can achieve a fixed effect on the device.
[0030] The electron microscope 18 is electrically connected to the display screen 9 ; through the electrical connection between the electron microscope 18 and the display screen 9 , the display screen 9 can display the detection object detected by the electron microscope 18 .
[0031] A spring is placed inside the telescopic block 7; through the telescopic effect of the spring, the telescopic block 7 can be reused.
[0032] Working principle: When it is necessary to detect the solder joints of the PCB board, the electronic microscope 18 is electrically connected to the display screen 9 to achieve a more detailed detection of the soldering conditions of the solder joints. The second electric slide rail 14 drives the second moving block 15 to move, and the second moving block 15 drives the connecting block 16 to move, and the connecting block 16 drives the rotating block 17 to move, and the rotating block 17 drives the electron microscope 18 to move, so as to achieve the effect of detecting different positions. The second motor 22 installed inside the connecting block 16 drives the rotating block 17 to rotate, so as to achieve the effect of adjusting different angles for detection. The first card slot 2 provided inside the workbench 1 and the sliding assembly provided inside drive the base 4 to move, and the fixed block 8 fixedly connected to the top of the base 4 and the telescopic block 7 fixedly connected to one side of the fixed block 8 and the clamping block 6 can achieve the effect of clamping and fixing the detection objects of different sizes. The first motor 20 drives the gear 21 to rotate, and the rotation of the gear 21 drives the lighting lamp 19 fixedly connected thereto to adjust the angle. The lighting lamp 19 can achieve the effect of illuminating the detection object, and the first motor 20 drives the lighting lamp 19 to rotate, so that different angles can be adjusted to achieve the lighting effect.
[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A PCB solder joint detection device, comprising a workbench (1), characterized in that: The top of the workbench (1) is provided with a first slot (2), the interior of the first slot (2) is provided with a sliding assembly, the exterior of the sliding assembly is fixedly connected to a base (4), both ends of the top of the base (4) are fixedly connected to fixed blocks (8), one side of the fixed block (8) is fixedly connected to a telescopic block (7), one end of the telescopic block (7) is fixedly connected to a clamping block (6), the top of the workbench (1) is fixedly connected to a box (11), the top of the box (11) is provided with a second slot (13), the interior of the second slot (13) is fixedly connected to a second electric slide rail (14), the exterior of the second electric slide rail (14) is slidably connected to a second moving block (15) The second moving block (15) is fixedly connected to a connecting block (16) on the outside, one end of the connecting block (16) is fixedly connected to a second motor (22) on the inside, one end of the connecting block (16) is rotatably connected to a rotating block (17) on the outside, one end of the rotating block (17) is fixedly connected to an electron microscope (18) on the bottom, the box (11) is fixedly connected to a display screen (9) on the outside, the bottom of the display screen (9) is fixedly connected to a function button (10), both ends of the box (11) are fixedly connected to a first motor (20), the output end of the first motor (20) is fixedly connected to a gear (21), and the outside of the gear (21) is fixedly connected to a lighting lamp (19).
2. A PCB solder joint detection device according to claim 1, characterized in that: The sliding assembly comprises a first electric slide rail (3), the exterior of the first electric slide rail (3) is fixedly connected to the interior of the first slot (2), the exterior of the first electric slide rail (3) is slidably connected to a first moving block (5), and the top of the first moving block (5) is fixedly connected to the bottom of the base (4).
3. A PCB solder joint detection device according to claim 1, characterized in that: The first motor (20), the second motor (22), the first electric slide rail (3), and the second electric slide rail (14) are all electrically connected to the function button (10).
4. A PCB solder joint detection device according to claim 1, characterized in that: The bottom of the clamping block (6) is tightly attached to the outside of the base (4), and the clamping block (6) is made of rubber.
5. A PCB solder joint detection device according to claim 1, characterized in that: The output end of the second motor (22) passes through the connecting block (16) and is fixedly connected to the inside of one end of the rotating block (17).
6. A PCB solder joint detection device according to claim 1, characterized in that: The four ends of the bottom of the workbench (1) are all fixedly connected with support legs (12).
7. A PCB solder joint detection device according to claim 1, characterized in that: The electron microscope (18) is electrically connected to the display screen (9).
8. A PCB solder joint detection device according to claim 1, characterized in that: A spring is placed inside the telescopic block (7).
Citation Information
Patent Citations
PCB welding spot detection equipment
CN219161936U
Cited By
PCB welding spot detection robot based on magnetostrictive sensor
CN120177611A