A cleaning device for surface mounting of PCBs
By designing a cleaning device for PCB board surface mounting, which combines clamp fixing and brush cleaning with vacuum cleaner to remove dust, the problem of dust cleaning on the PCB board surface before the printing process is solved, and the bonding effect between components and the board is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN FUCHENGKE PRECISION ELECTRONICAL CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-08-04
AI Technical Summary
In existing technologies, it is difficult to effectively remove dust and foreign objects from the PCB board surface before the printing process, which affects the bonding effect between components and the PCB board.
A cleaning device for PCB surface mount is designed. The PCB is fixed with a clamp, and dust is cleaned by a brush and removed by a vacuum cleaner. Combined with a detachable dust collection box and regular replacement of the brush, efficient cleaning is achieved.
It achieves efficient cleaning of the PCB board surface, ensures strong adhesion between components and the board, and improves the quality and efficiency of the printing process.
Smart Images

Figure CN224586533U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of PCB surface mount technology, and in particular to a cleaning device for PCB surface mount. Background Technology
[0002] Surface Mount Technology (SMT) is currently one of the most popular technologies and processes in the electronics assembly industry. With the rapid development of the electronics industry, SMT technology has become widely used. The printing process, as the initial stage of the SMT production line, involves using a printer to apply adhesive to the PCB pads, preparing for component soldering. As a crucial step in the entire SMT production process, printing requires thorough cleaning of dust and foreign matter before the printing process to ensure a firm bond between the components and the PCB, preventing dust and foreign objects from contaminating the adhesive. Utility Model Content
[0003] The purpose of this invention is to provide a cleaning device for PCB board surface mounting, so as to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: It includes an operating table, a switch fixedly connected to the outer side of the operating table, a vacuum cleaner placed on one side of the operating table, a corrugated hose fixedly connected to one end of the vacuum cleaner's suction port, a first motor fixedly connected to one side of the operating table, a bidirectional lead screw rotatably connected to the inner side of the operating table, a clamping plate threadedly connected to the outer side of the bidirectional lead screw, a slide rail fixedly connected to the top of the operating table, a second motor fixedly connected to one end of the slide rail, a threaded rod rotatably connected to the inner side of the slide rail, and a cleaning mechanism provided on the outer side of the threaded rod.
[0005] Preferably, a rubber pad is glued and fixedly connected to one side of the clamping plate, one end of the bidirectional lead screw is fixedly connected to one end of the output shaft of the first motor, two clamping plates are provided, and one end of the threaded rod is fixedly connected to one end of the output shaft of the second motor.
[0006] Preferably, both the threaded rod and the bidirectional lead screw are provided with a lead screw dust cover on their outer sides.
[0007] Preferably, the cleaning mechanism includes a first slider, a first slot, a first insert, a brush, a first bolt, a side bracket, a pressure plate, a second slider, a second slot, a second insert, a dust collection box, a T-pipe, a dust collection hole, and a second bolt. The outer side of the threaded rod is threadedly connected to the first slider. A first slot is formed on one side of the first slider. A first insert is inserted into the inner side of the first slot. A brush is integrally formed on one side of the first insert. A first bolt is inserted through the top of the first slider. A side bracket is integrally formed on one side of the first slider. A pressure plate is inserted into the top of the side bracket. The outer side of the threaded rod is threadedly connected to the second slider. A second slot is formed on the outer side of the second slider. A second insert is inserted into the inner side of the second slot. A dust collection box is integrally formed on one side of the second insert. A T-pipe is fixedly connected to one side of the dust collection box. A dust collection hole is formed at the bottom of the dust collection box. A second bolt is inserted through the side of the second slider.
[0008] Preferably, one end of the second bolt passes through and is inserted into the side bracket, the second bolt passes through and is inserted into the second plug, one end of the second bolt is threadedly connected to the pressure plate, and the bottom of the pressure plate is in contact with one end of the first bolt.
[0009] Preferably, one end of the tee is connected to one end of the corrugated hose.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: The PCB board surface mount cleaning device places the PCB board to be mounted on the operating table, starts the first motor, drives the two clamping plates to move closer together, thereby clamping and fixing the PCB board. The threaded rod rotates, causing the first and second sliders to slide synchronously, cleaning the PCB board with a brush. The board slides to the other end and stops, and a vacuum cleaner is activated to remove dust through the suction holes at the bottom of the suction box, achieving a cleaning effect. The PCB board is then removed, and the brush and suction box move in opposite directions until they are reset. During assembly... Insert the first insert into the first slot, then use the first bolt to pass through the first slider and thread it to the first insert, thereby installing and fixing the brush. The brush needs to be cleaned or replaced regularly during use. Next, insert the pressure plate into the side bracket, insert the second insert into the second slot, and use the second bolt to pass through and insert the second insert, the second slot, and the side bracket, and thread it to the pressure plate, thereby directly fixing the pressure plate and indirectly fixing the second insert, completing the installation of the dust collection box. The bottom of the pressure plate fits against one end of the first bolt, which prevents the first bolt from falling off and allows for better installation and fixing of the brush and dust collection box. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the appearance and structure of this utility model;
[0012] Figure 2 This is a schematic diagram of the clamping plate structure of this utility model;
[0013] Figure 3 This is a cross-sectional view of the dust collection box of this utility model;
[0014] Figure 4 This is a schematic diagram of the cleaning mechanism of this utility model.
[0015] In the diagram: 1. Control panel; 2. Switch; 3. Vacuum cleaner; 4. Corrugated hose; 5. First motor; 6. Two-way lead screw; 7. Clamping plate; 8. Slide rail; 9. Second motor; 10. Threaded rod; 11. First slider; 12. First slot; 13. First insert; 14. Brush; 15. First bolt; 16. Side bracket; 17. Pressure plate; 18. Second slider; 19. Second slot; 20. Second insert; 21. Dust collection box; 22. T-connector; 23. Dust collection hole; 24. Second bolt. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.
[0018] Example
[0019] Please see Figure 1-4 This utility model discloses a cleaning device for PCB surface mounting: it includes an operating table 1, a switch 2 fixedly connected to the outer side of the operating table 1, a vacuum cleaner 3 placed on one side of the operating table 1, a corrugated hose 4 fixedly connected to one end of the vacuum cleaner 3's suction port, a first motor 5 fixedly connected to one side of the operating table 1, a bidirectional lead screw 6 rotatably connected to the inner side of the operating table 1, a clamping plate 7 threadedly connected to the outer side of the bidirectional lead screw 6, a slide rail 8 fixedly connected to the top of the operating table 1, a second motor 9 fixedly connected to one end of the slide rail 8, a threaded rod 10 rotatably connected to the inner side of the slide rail 8, and a cleaning mechanism provided on the outer side of the threaded rod 10. When the PCB board to be mounted is placed on the operating table 1, the first motor 5 is started, which drives the two clamping plates 7 to move closer to each other, thereby clamping and fixing the PCB board.
[0020] Furthermore, a rubber pad is glued and fixed to one side of the clamping plate 7, one end of the bidirectional lead screw 6 is fixedly connected to one end of the output shaft of the first motor 5, two clamping plates 7 are provided, and one end of the threaded rod 10 is fixedly connected to one end of the output shaft of the second motor 9.
[0021] Furthermore, both the threaded rod 10 and the double-acting screw 6 are equipped with screw dust covers on their outer sides.
[0022] For better cleaning, the cleaning mechanism includes a first slider 11, a first slot 12, a first insert 13, a brush 14, a first bolt 15, a side bracket 16, a pressure plate 17, a second slider 18, a second slot 19, a second insert 20, a dust collection box 21, a T-shaped pipe 22, a dust collection hole 23, and a second bolt 24. The outer side of the threaded rod 10 is threadedly connected to the first slider 11. A first slot 12 is opened on one side of the first slider 11, and a first insert 13 is inserted into the inner side of the first slot 12. A brush 14 is integrally formed on one side of the first insert 13. A first bolt 15 is inserted through the top of a slider 11. A side bracket 16 is integrally formed on one side of the first slider 11. A pressure plate 17 is inserted into the top of the side bracket 16. A second slider 18 is threadedly connected to the outer side of the threaded rod 10. A second slot 19 is opened on the outer side of the second slider 18. A second insert 20 is inserted into the inner side of the second slot 19. A dust collection box 21 is integrally formed on one side of the second insert 20. A three-way pipe 22 is fixedly connected to one side of the dust collection box 21. A dust collection hole 23 is opened at the bottom of the dust collection box 21. A through bolt 15 is inserted through the side of the second slider 18. The second bolt 24 and threaded rod 10 rotate, causing the first slider 11 and the second slider 18 to slide synchronously. The PCB board is cleaned by the brush 14. When the slider reaches the other end, it stops, and the vacuum cleaner 3 is activated. The dust is sucked away through the suction hole 23 at the bottom of the dust collection box 21, achieving the cleaning effect. The PCB board is then removed, and the brush 14 and dust collection box 21 move in opposite directions until they are reset. During assembly, the first insert 13 is inserted into the first slot 12, and then the first bolt 15 passes through the first slider 11 and is threaded to connect the first insert 13, thereby installing and fixing the PCB board. The fixed brush 14 needs to be cleaned or replaced regularly during use. Next, the pressure plate 17 is inserted into the side bracket 16, and the second insert 20 is inserted into the second slot 19. The second bolt 24 is used to insert the second insert 20, the second slot 19 and the side bracket 16 through and threadedly connect the pressure plate 17, thereby directly fixing the pressure plate 17 and indirectly fixing the second insert 20, completing the installation of the dust collection box 21. The bottom of the pressure plate 17 is attached to one end of the first bolt 15, which has the effect of preventing the first bolt 15 from falling off. The equipment needs to be maintained regularly during use.
[0023] Furthermore, one end of the second bolt 24 passes through and is inserted into the side bracket 16, the second bolt 24 passes through and is inserted into the second insert block 20, and one end of the second bolt 24 is threadedly connected to the pressure plate 17. The bottom of the pressure plate 17 is in contact with one end of the first bolt 15.
[0024] Furthermore, one end of the tee pipe 22 is connected to one end of the corrugated hose 4.
[0025] Working principle: The PCB board to be mounted is placed on the operating table 1. The first motor 5 is started, which drives the two clamping plates 7 to move closer together, thereby clamping and fixing the PCB board. The threaded rod 10 rotates, causing the first slider 11 and the second slider 18 to slide synchronously. The brush 14 cleans the PCB board. When it slides to the other end, it stops, and the vacuum cleaner 3 is started. The dust is sucked away through the suction hole 23 at the bottom of the dust collection box 21, achieving the cleaning effect. The PCB board is removed, and the brush 14 and the dust collection box 21 move in opposite directions until they are reset. During assembly, the first insert 13 is inserted into the first slot 12, and then the first bolt 15 passes through the first slider 11 and is threaded to the first insert 13, thereby installing and fixing the brush 14. When using the brush 14, it needs to be cleaned or replaced regularly. Next, insert the pressure plate 17 into the side bracket 16, insert the second insert 20 into the second slot 19, and use the second bolt 24 to insert the second insert 20, the second slot 19 and the side bracket 16 through and threadedly connect the pressure plate 17, thereby directly fixing the pressure plate 17 and indirectly fixing the second insert 20, completing the installation of the dust collection box 21. The bottom of the pressure plate 17 is attached to one end of the first bolt 15, which has the effect of preventing the first bolt 15 from falling off. When using the equipment, regular maintenance is required. The vacuum cleaner 3 is produced by Jiangsu Quanfeng Environmental Protection Technology Co., Ltd., and the model is DL-5500. The specific structure and working principle of this model are existing technologies and will not be described in detail here.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A cleaning device for PCB surface mounting, comprising an operating table (1), wherein a switch (2) is fixedly connected to the outer side of the operating table (1), characterized in that: A vacuum cleaner (3) is placed on one side of the operating table (1). A corrugated hose (4) is fixedly connected to one end of the vacuum cleaner (3)'s suction port. A first motor (5) is fixedly connected to one side of the operating table (1). A two-way lead screw (6) is rotatably connected to the inside of the operating table (1). A clamp (7) is threadedly connected to the outside of the two-way lead screw (6). A slide rail (8) is fixedly connected to the top of the operating table (1). A second motor (9) is fixedly connected to one end of the slide rail (8). A threaded rod (10) is rotatably connected to the inside of the slide rail (8). A cleaning mechanism is provided on the outside of the threaded rod (10).
2. The cleaning device for PCB surface mounting according to claim 1, characterized in that: A rubber pad is glued to one side of the clamp (7), one end of the bidirectional screw (6) is fixedly connected to one end of the output shaft of the first motor (5), two clamps (7) are provided, and one end of the threaded rod (10) is fixedly connected to one end of the output shaft of the second motor (9).
3. The cleaning device for PCB surface mounting according to claim 1, characterized in that: Dust covers are provided on the outer sides of both the threaded rod (10) and the bidirectional lead screw (6).
4. The cleaning device for PCB surface mounting according to claim 1, characterized in that: The cleaning mechanism includes a first slider (11), a first slot (12), a first insert (13), a brush (14), a first bolt (15), a side bracket (16), a pressure plate (17), a second slider (18), a second slot (19), a second insert (20), a dust collection box (21), a three-way pipe (22), a dust collection hole (23), and a second bolt (24). The outer side of the threaded rod (10) is threadedly connected to the first slider (11). A first slot (12) is provided on one side of the first slider (11). A first insert (13) is inserted into the inner side of the first slot (12). A brush (14) is integrally formed on one side of the first insert (13). The top of the first slider (11) is... A first bolt (15) is inserted through the first slider (11). A side bracket (16) is integrally formed on one side of the first slider (11). A pressure plate (17) is inserted into the top of the side bracket (16). A second slider (18) is threadedly connected to the outer side of the threaded rod (10). A second slot (19) is opened on the outer side of the second slider (18). A second insert (20) is inserted into the inner side of the second slot (19). A dust collection box (21) is integrally formed on one side of the second insert (20). A three-way pipe (22) is fixedly connected to one side of the dust collection box (21). A dust collection hole (23) is opened at the bottom of the dust collection box (21). A second bolt (24) is inserted through the second slider (18) on one side.
5. The cleaning device for surface mounting of a PCB board according to claim 4, wherein: One end of the second bolt (24) passes through the side bracket (16), the second bolt (24) passes through the second plug (20), and one end of the second bolt (24) is threaded to the pressure plate (17). The bottom of the pressure plate (17) is in contact with one end of the first bolt (15).
6. The cleaning device for surface mounting of a PCB board according to claim 5, wherein: One end of the three-way pipe (22) is connected to one end of the corrugated hose (4).