A cleaning device for PCBA production

Abstract

This utility model provides a cleaning device for PCBA production, including a cleaning device body. The cleaning device body includes a housing, a rotating mechanism, and a pulling mechanism. A water tank is provided on the top of the housing, and a water pump is connected to one side of the water tank. The water pump is connected to a water pipe, which passes through the top of the housing. The water tank is connected to a delay mechanism, which is connected to the pulling mechanism. The rotating mechanism is provided inside the housing. This utility model uses an electric lifting rod to drive the clamping plate to flip, allowing the brush plate to clean the back of the PCBA without manual flipping, saving cleaning time. When the electric lifting rod moves the brush plate downward to clean the PCBA, the opening and closing of the water outlet can be controlled by the pulling mechanism to prevent water waste. The delay mechanism prevents water from flowing out of the water pipe when the PCBA is turned over for air drying.

Description

Technical Field

[0001] This utility model relates to the field of PCBA production technology, specifically a cleaning device for PCBA production. Background Technology

[0002] PCBA (Printed Circuit Board Assembly) refers to a PCB board that has undergone multiple processes such as SMT component mounting, DIP insertion, and subsequent reflow soldering. During the PCBA manufacturing process, solder paste or ink residue often remains in the board holes of the PCBA, making it difficult to clean. According to existing technology, such as the PCBA board cleaning device disclosed in Chinese patent document CN220915495U, the technical solution disclosed uses a transmission rod to drive a lead screw to rotate, causing the lead screw to move. The user can adjust the position of the moving block through the lead screw inside the power assembly, thereby adjusting the position of the cleaning brush. This allows the user to clean only the areas with residual stains on the PCBA board, avoiding large-area cleaning of the PCBA board by the cleaning brush, which would lead to wasted cleaning power.

[0003] According to its publicly available technical solutions, in the existing technology, when cleaning PCBA, only one side can generally be cleaned. If the other side needs to be cleaned, it needs to be re-clamped, which not only wastes cleaning time but also affects the overall production efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a cleaning device for PCBA production, thereby solving the problems mentioned in the background section. This invention uses an electric lifting rod to rotate the clamping plate, allowing the brush plate to clean the back of the PCBA without manual rotation, saving cleaning time. When the electric lifting rod moves the brush plate downward to clean the PCBA, the water outlet can be controlled by a pulling mechanism to prevent water waste. A delay mechanism is also included to prevent water from flowing out of the water pipe when the PCBA is turned over for air drying.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a cleaning device for PCBA production, comprising a cleaning device body, the cleaning device body including a housing, a rotating mechanism and a pulling mechanism, a water tank being provided on the top of the housing, a water pump being connected to one side of the water tank, the water pump being connected to a water pipe, the water pipe passing through the top of the housing, the water tank being connected to a delay mechanism, the delay mechanism being connected to the pulling mechanism, and a rotating mechanism being provided inside the housing.

[0006] Furthermore, the rotating mechanism includes an electric lifting rod and a gear. The electric lifting rod is bolted to the top of the inner wall of the housing. The electric lifting rod is welded to the connecting block, and the motor is bolted to the connecting block.

[0007] Furthermore, the connecting block is connected to the rack via a rod, the rack is connected to a gear, the gear is sleeved on the rotating rod, one end of the rotating rod is axially connected to the inner wall of the housing, and the other end of the rotating rod is connected to the clamping plate.

[0008] Furthermore, a spring is welded to the inner wall of the gear, and the other end of the spring is connected to a moving block. The moving block is located in the groove of the gear, and the inner wall of the rotating rod is also provided with a groove.

[0009] Furthermore, the pulling mechanism includes a connecting rope and a pulley. The connecting rope is connected to a connecting block. A spring is provided in the middle of the connecting rope. The other end of the connecting rope is connected to a delay mechanism. The delay mechanism is connected to the connecting rope.

[0010] Furthermore, the connecting rope 2 passes through the pulley and is connected to the rotating plate. The rotating plate is connected to the bottom of the inner wall of the water tank via a rotating shaft. A torsion spring is welded onto the rotating plate, and the other end of the torsion spring is welded to the bottom of the inner wall of the water tank.

[0011] Furthermore, the delay mechanism includes a water storage box and a pressure plate. The pressure plate is installed inside the water storage box. The top of the pressure plate is connected to a connecting rope, and a spring is welded to the bottom of the pressure plate.

[0012] Furthermore, the other end of the spring three is connected to the connecting rope one, and the bottom side of the water storage box is connected to the connecting pipe, which passes through the inner wall of the box and connects to the water tank.

[0013] The beneficial effects of this utility model are: 1. The cleaning device for PCBA production uses an electric lifting rod to move the brush plate up and down to clean the PCBA. At the same time, it can also rotate the clamping plate so that the brush plate can clean the back of the PCBA without manual rotation, saving cleaning time.

[0014] 2. When the cleaning device for PCBA production moves the brush plate downward with the electric lifting rod to clean the PCBA, the rotating plate can be pulled down by the pulling mechanism to open the water outlet of the water tank and rinse the PCBA with water. When the electric lifting rod moves upward, the rotating plate can close the water outlet to prevent water waste.

[0015] 3. The cleaning device for PCBA production is equipped with a delay mechanism so that when the PCBA is turned over for drying, the time when the pulling mechanism drives the rotating plate to rotate is later than the time when the electric lifting rod descends, thus preventing water from flowing out of the water pipe during the turning and drying process. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the external structure of a cleaning device for PCBA production according to the present invention; Figure 2 This is a schematic diagram of the internal structure of a cleaning device for PCBA production according to the present invention; Figure 3 This is a schematic diagram of the rotating mechanism of a cleaning device for PCBA production according to the present invention. Figure 4 This is a schematic diagram of the internal gear structure of a cleaning device for PCBA production according to this utility model; Figure 5 for Figure 2 Enlarged view of the structure at point A; In the diagram: 1. Box body; 2. Water tank; 3. Water pump; 4. Water pipe; 5. Fan; 6. Filter screen; 7. Electric lifting rod; 8. Rack; 9. Rotating rod; 10. Clamping plate; 11. Motor; 12. Brush plate; 13. Gear; 14. Moving block; 15. Spring 1; 16. Connecting rope 2; 17. Pulley; 18. Spring 3; 19. Connecting rope 1; 20. Water storage box; 21. Spring 2; 22. Torsion spring; 23. Pressure plate; 24. Connecting pipe; 25. Delay mechanism; 26. Rotating plate; 27. Connecting block; 28. Pulling mechanism; 29. ​​Rotating mechanism. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0018] Please see Figures 1 to 5This utility model provides the following technical solution: a cleaning device for PCBA production, comprising a cleaning device body, the cleaning device body including a housing 1, a rotating mechanism 29, and a pulling mechanism 28. A water tank 2 is provided on the top of the housing 1, one side of the water tank 2 is connected to a water pump 3, the water pump 3 is connected to a water pipe 4, the water pipe 4 passes through the top of the housing 1, the water tank 2 is connected to a delay mechanism 25, the delay mechanism 25 is connected to the pulling mechanism 28, and a rotating mechanism is provided inside the housing 1. Structure 29: When in use, the PCBA is placed on the clamping plate 10 and held in place. The clamping plate 10 can be rotated by the electric lifting rod 7, so that the brush plate 12 can clean the back of the PCBA without manual rotation, saving cleaning time. When the electric lifting rod 7 moves the brush plate 12 downward to clean the PCBA, the water outlet can be switched on and off by the pulling mechanism 28 to prevent water waste. The delay mechanism 25 is set to prevent water from flowing out of the water pipe 4 when the PCBA is turned over to air dry.

[0019] In this embodiment, the rotating mechanism 29 includes an electric lifting rod 7 and a gear 13. The electric lifting rod 7 is bolted to the top of the inner wall of the housing 1. The electric lifting rod 7 is welded to a connecting block 27. The motor 11 is bolted to the connecting block 27. The connecting block 27 is connected to a rack 8 via a rod. The rack 8 is connected to the gear 13. The gear 13 is sleeved on a rotating rod 9. One end of the rotating rod 9 is axially connected to the inner wall of the housing 1, and the other end is connected to a clamping plate 10. A spring 15 is welded to the inner wall of the gear 13. The other end of the spring 15 is connected to a moving block 14, which is located in the groove of the gear 13. The inner wall of the rotating rod 9 also has a groove. In use, the motor 11 is started to drive the brush plate 12. When cleaning the PCBA, after cleaning one side of the product, it is time to clean the other side. The electric lifting rod 7 can be activated to move upward, causing the connecting block 27 to drive the rod to rise, which in turn drives the rack 8 to rise. The rack 8 meshes with the gear 13, causing the gear 13 to rotate. The groove inside the gear 13 contacts the moving block 14, which drives the rotating rod 9 to rotate. The rotating rod 9 drives the clamping plate 10 to rotate, thus rotating the PCBA. When the PCBA is flipped, the electric lifting rod 7 drives the rack 8 to move downward. The rack 8 drives the gear 13 to rotate in the opposite direction. The groove inside the gear 13 contacts the inclined surface of the moving block 14, pushing the moving block 14 to compress the spring 15, pushing the moving block 14 into the groove of the rotating rod 9, so that the gear 13 will not drive the rotating rod 9 to rotate when it rotates.

[0020] In this embodiment, the pulling mechanism 28 includes a connecting rope 19 and a pulley 17. The connecting rope 19 is connected to a connecting block 27. A spring 21 is provided in the middle of the connecting rope 19. The other end of the connecting rope 19 is connected to a delay mechanism 25. The delay mechanism 25 is connected to a connecting rope 16. The connecting rope 16 passes through the pulley 17 and is connected to a rotating plate 26. The rotating plate 26 is connected to the bottom of the inner wall of the water tank 2 via a rotating shaft. A torsion spring 22 is welded onto the rotating plate 26. The other end of the torsion spring 22 is welded to the bottom of the inner wall of the water tank 2. The delay mechanism 25 includes a water storage box 20 and a pressure plate 23. A pressure plate 23 is installed inside the water storage box 20. The top of the pressure plate 23 is connected to the second connecting rope 16, and the bottom of the pressure plate 23 is welded with a third spring 18. The other end of the third spring 18 is connected to the first connecting rope 19. One bottom side of the water storage box 20 is connected to a connecting pipe 24, which passes through the inner wall of the box 1 and connects to the water tank 2. When the electric lifting rod 7 descends, the connecting block 27 drives the first connecting rope 19 to move downward. The first connecting rope 19 drives the second spring 21 to descend. If the length of the first connecting rope 19 is insufficient, the second spring 21 can be extended to make up for the length. At the same time, the first connecting rope 19 pulls the third spring 18, causing the third spring 18 to extend. Spring 3 18 pulls the pressure plate 23 downwards. The pressure plate 23 draws water from the water storage box 20 into the water tank 2 through the connecting pipe 24. Because the pressure plate 23 is blocked by the water in the water storage box 20 during its downward movement, its descent is slow. The pressure plate 23 will only reach the bottom after the connecting rope 1 19 pulls the spring 3 18 for a period of time. As the pressure plate 23 descends, it drives the connecting rope 2 16 downwards. The connecting rope 2 16, through the pulley 17, drives the rotating plate 26 to compress the torsion spring 22 downwards, thus opening the water outlet and allowing water to flow into the water pump 3. The water then enters the water pipe 4 to rinse the PCBA, causing the brush plate 12 to descend and impact the P... While cleaning the PCBA, water flow can also clean the PCBA. When it is necessary to flip the PCBA, the electric lifting rod 7 rises, the tension on the pressure plate 23 disappears, and the water in the water tank 2 flows back into the water storage box 20, causing the pressure plate 23 to move upward quickly. This causes the rotating plate 26 to rotate upward under the action of the torsion spring 22, blocking the water outlet and preventing water from flowing out during rotation, thus avoiding waste. When it is time to air dry after cleaning, the fan 5 is turned on to air dry the PCBA. When it is time to air dry the other side, the electric lifting rod 7 can be activated to quickly flip the PCBA, so that the electric lifting rod 7 has already risen before the pressure plate 23 drives the rotating plate 26 to rotate, preventing water from flowing out during air drying.

[0021] Working principle: When in use, the PCBA is placed on the clamping plate 10 and held in place. The motor 11 is started to drive the brush plate 12 to clean the PCBA. When one side of the product needs to be cleaned and the other side needs to be cleaned, the electric lifting rod 7 can be started to move upward, so that the rod is raised through the connecting block 27, thereby driving the rack 8 to rise. The rack 8 meshes with the gear 13, causing the gear 13 to rotate. The groove inside the gear 13 contacts the moving block 14, which drives the rotating rod 9 to rotate. The rotating rod 9 drives the clamping plate 10 to rotate, thereby causing the PCBA to rotate. When the PCBA is flipped, the electric lifting rod 7 drives the rack 8 to move downward. The rack 8 drives the gear 13 to rotate in the opposite direction. The groove inside the gear 13 contacts the inclined surface of the moving block 14, pushing the moving block 14 to squeeze the spring 15, pushing the moving block 14 into the groove of the rotating rod 9, so that the gear 13 will not drive the rotating rod 9 to rotate when it rotates.

[0022] When the electric lifting rod 7 descends, it drives the connecting rope 19 downwards via the connecting block 27. The connecting rope 19 drives the spring 21 downwards. If the length of the connecting rope 19 is insufficient, the spring 21 can extend to make up for the length. At the same time, the connecting rope 19 pulls the spring 3 18, causing the spring 3 18 to extend. The spring 3 18 pulls the pressure plate 23 downwards. The pressure plate 23 draws water from the water storage box 20 into the water tank 2 through the connecting pipe 24. Because the pressure plate 23 is blocked by the water in the water storage box 20 when it moves downwards, the descent speed is slow. The pressure plate 23 will descend to the bottom after the connecting rope 19 pulls the spring 3 18 for a period of time. When the pressure plate 23 descends, it drives the connecting rope 2 16 downwards. The connecting rope 2 16 drives the rotating plate 26 to compress the torsion spring 22 downwards via the pulley 17, thereby opening the water outlet and allowing water to flow into the water pump 3 through the water outlet, and then into the water pipe 4 to P. The PCBA is rinsed, allowing the brush plate 12 to clean the PCBA while simultaneously cleaning it with water flow. When the second electric lifting rod 7 needs to be raised to flip the PCBA, the tension on the pressure plate 23 disappears, causing the water in the water tank 2 to flow back into the water storage box 20, which in turn causes the pressure plate 23 to move upward quickly. This causes the rotating plate 26 to rotate upward under the action of the torsion spring 22, blocking the water outlet and preventing water from flowing out during rotation, thus avoiding waste. When air drying is required after cleaning, the fan 5 is turned on to air dry the PCBA. When air drying is required on the other side, the electric lifting rod 7 can be activated to quickly flip the PCBA, so that the electric lifting rod 7 has already risen before the pressure plate 23 can drive the rotating plate 26 to rotate, preventing water from flowing out during air drying. When cleaning and air drying a group of PCBAs, there is no need to manually flip the PCBAs, and there is no need to repeatedly turn the water pump 3 on and off, which greatly reduces the cleaning and drying time and improves production efficiency.

[0023] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model.

[0024] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A cleaning device for PCBA production, comprising a cleaning device body, characterized in that: The main body of the cleaning device includes a box (1), a rotating mechanism (29) and a pulling mechanism (28). A water tank (2) is provided on the top of the box (1). One side of the water tank (2) is connected to a water pump (3). The water pump (3) is connected to a water pipe (4). The water pipe (4) passes through the top of the box (1). The water tank (2) is connected to a delay mechanism (25). The delay mechanism (25) is connected to the pulling mechanism (28). The rotating mechanism (29) is provided inside the box (1).

2. The cleaning device for PCBA production according to claim 1, characterized in that: The rotating mechanism (29) includes an electric lifting rod (7) and a gear (13). The electric lifting rod (7) is bolted to the top of the inner wall of the housing (1). The electric lifting rod (7) is welded to the connecting block (27). A motor (11) is bolted onto the connecting block (27).

3. A cleaning device for PCBA production according to claim 2, characterized in that: The connecting block (27) is connected to the rack (8) via a rod. The rack (8) is connected to the gear (13). The gear (13) is sleeved on the rotating rod (9). One end of the rotating rod (9) is axially connected to the inner wall of the box (1). The other end of the rotating rod (9) is connected to the clamping plate (10).

4. A cleaning device for PCBA production according to claim 3, characterized in that: A spring (15) is welded to the inner wall of the gear (13). The other end of the spring (15) is connected to the moving block (14). The moving block (14) is located in the groove of the gear (13). The inner wall of the rotating rod (9) is also provided with a groove.

5. A cleaning device for PCBA production according to claim 1, characterized in that: The pulling mechanism (28) includes a connecting rope (19) and a pulley (17). The connecting rope (19) is connected to the connecting block (27). A spring (21) is provided in the middle of the connecting rope (19). The other end of the connecting rope (19) is connected to the delay mechanism (25). The delay mechanism (25) is connected to the connecting rope (16).

6. A cleaning device for PCBA production according to claim 5, characterized in that: The connecting rope 2 (16) passes through the pulley (17) and is connected to the rotating plate (26). The rotating plate (26) is connected to the bottom of the inner wall of the water tank (2) through the rotating shaft. A torsion spring (22) is welded on the rotating plate (26), and the other end of the torsion spring (22) is welded to the bottom of the inner wall of the water tank (2).

7. A cleaning device for PCBA production according to claim 5, characterized in that: The delay mechanism (25) includes a water storage box (20) and a pressure plate (23). The pressure plate (23) is installed inside the water storage box (20). The top of the pressure plate (23) is connected to the second connecting rope (16). The bottom of the pressure plate (23) is welded with a third spring (18).

8. A cleaning device for PCBA production according to claim 7, characterized in that: The other end of the third spring (18) is connected to the first connecting rope (19), and the bottom side of the water storage box (20) is connected to the connecting pipe (24). The connecting pipe (24) passes through the inner wall of the box body (1) and is connected to the water tank (2).

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