PCB surface treatment device

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By employing a servo motor-driven lead screw lifting mechanism and a composite cleaning module in the PCB circuit board surface treatment device, the problems of small cleaning range and non-adjustable height are solved, achieving efficient cleaning and extending equipment life.

CN224481861UActive Publication Date: 2026-07-10SHENZHEN JINHUIZHAN ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SHENZHEN JINHUIZHAN ELECTRONICS CO LTD
Filing Date: 2025-05-08
Publication Date: 2026-07-10

AI Technical Summary

Technical Problem

Existing PCB surface treatment devices have a small cleaning range, low cleaning efficiency, cannot adapt to circuit boards of different thicknesses, and the cleaning height cannot be adjusted, affecting work efficiency and adaptability.

Method used

A lead screw is fixedly installed on the top of the device, which is driven by a servo motor to achieve axial sliding. It integrates a lifting mechanism and is equipped with a composite cleaning module that includes an anti-static rotating brush and a centrifugal negative pressure system. It achieves efficient removal of particles through synchronous brushing and adsorption, and has a detachable drawer structure on the side of the device for secondary cleaning.

Benefits of technology

It enables adaptation to PCB boards of different heights, improves cleaning efficiency, avoids direct contact between workers and cleaning liquids, extends equipment lifespan, and significantly improves work efficiency.

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Figure CN224481861U_ABST

Patent Text Reader

Abstract

This application relates to the field of PCB circuit board recycling technology and discloses a PCB circuit board surface treatment device. In this application, a lifting device is fixedly installed at the bottom of the connecting column. The lifting device is fixedly connected to a fan housing via the fixed column. An air intake channel is fixedly installed at the bottom of the fan housing. A cleaning housing is fixedly installed at the bottom of the air intake channel. An anti-static brush is fixedly installed at the bottom of the cleaning housing. A lead screw is fixedly installed at the top of the device, driven by a servo motor to achieve axial sliding. A lifting mechanism is integrated at the end of the lead screw, which can adapt to various PCB boards of different heights. A composite cleaning module is configured at the bottom of the lifting mechanism, including an anti-static brush and a centrifugal negative pressure system. Through synchronous brushing and adsorption, efficient particle removal is achieved. Inside the cleaning device, a fan system generates negative pressure airflow during operation, guiding external dust into the dust collection chamber through a streamlined air duct. Combined with the anti-static brush, synchronous brushing and adsorption achieve efficient particle removal.

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Description

Technical Field

[0001] This application belongs to the field of PCB circuit board recycling technology, specifically a PCB circuit board surface treatment device. Background Technology

[0002] A circuit board, also known as a printed circuit board, is a highly reliable and flexible printed circuit board made of polyimide or polyester film as the substrate. A rigid-flex board is a combination of a flexible circuit board and a rigid circuit board, which are assembled together according to relevant process requirements through processes such as lamination. When recycling circuit boards, they need to be cleaned to ensure the effective recycling and reuse process. Therefore, it is necessary to use recycling and processing equipment to assist in the cleaning work.

[0003] For example, CN208555184U discloses a PCB surface treatment device, including a base. Four support rods are symmetrically fixed to the top of the base. A horizontal moving device is fixed to the top of each support rod. A connecting rod is fixed to the output end of the horizontal moving device. An installation cylinder is fixed to the bottom of the connecting rod. A dust removal device is fixed to the top of the installation cylinder. The dust removal device includes an exhaust component, a support frame, a dust collection bag, and a holding slot. The exhaust component is fixed to the top of the installation cylinder. An opening is provided at the top of the installation cylinder corresponding to the exhaust component. The support frame is located directly below the opening. The dust collection bag is fitted onto the outside of the support frame. The holding slot is located outside the dust collection bag. This PCB surface treatment device for recycling can mechanically remove dust adhering to the surface of waste circuit boards, reducing impurities generated by dust and improving the recycling efficiency of heavy metals in waste circuit boards.

[0004] However, the PCB surface treatment device in this application has the following problems: the cleaning range is too small, resulting in low cleaning efficiency. It requires more time to repeat the cleaning action, which affects work efficiency. In addition, the height cannot be controlled, and it cannot adapt to circuit boards of different thicknesses. Utility Model Content

[0005] The purpose of this application is to provide a PCB circuit board surface treatment device to solve the problems mentioned above, such as the cleaning range being too small, the cleaning efficiency being too low and affecting work efficiency, the cleaning height being unable to be adjusted, and the adaptability being insufficient.

[0006] The technical solution adopted in this application is as follows:

[0007] A PCB surface treatment device includes a treatment device body. A mounting post is fixedly installed on the top of the treatment device body. A sliding rod is fixedly installed on the side of the mounting post. A sliding block is slidably connected to the sliding rod. A connecting post is fixedly installed at the bottom of the sliding block. A lifting device is fixedly installed at the bottom of the connecting post. A fan housing is fixedly connected to the lifting device through the fixing post. An air intake channel is fixedly installed at the bottom of the fan housing. A cleaning housing is fixedly installed at the bottom of the air intake channel. An anti-static brush is fixedly installed at the bottom of the cleaning housing.

[0008] By adopting the above technical solution, a lead screw is fixedly installed on the top of the device and driven by a servo motor to achieve axial sliding. The end of the lead screw integrates a lifting mechanism, which can be adapted to various PCB boards of different heights. The bottom of the lifting mechanism is equipped with a composite cleaning module, which includes an anti-static rotating brush and a centrifugal negative pressure system. Through synchronous brushing and adsorption, the particulate matter is efficiently removed.

[0009] In a preferred embodiment, a lead screw lever is slidably connected to the side of the mounting column, the lead screw lever is rotatably connected to a lead screw motor, the lead screw motor is fixedly mounted with a fixing block, and a sliding rod is fixedly mounted on the side of the fixing block.

[0010] By adopting the above technical solution, the lead screw is securely fixed to the top of the device using a fixing device.

[0011] In a preferred embodiment, a fixing clip is slidably mounted on the top of the processing device body, and fixing clip slides are provided on both sides of the fixing clip.

[0012] By adopting the above technical solution, a fixing clip is slidably installed on the top of the device, and slide rails are installed on both sides of the fixing clip, so that the fixing clip function can be conveniently used through the slide rails.

[0013] In a preferred embodiment, a cleaning box drawer is embedded in the side of the processing device body, and a portable cleaning board is placed inside the cleaning box drawer.

[0014] By adopting the above technical solution, and by providing a detachable drawer structure on the side of the device, the cleaning water injected into the drawer can perform a secondary cleaning treatment on the surface after the dust removal process. After cleaning, the tray inside the drawer can lift the circuit board out as a whole, effectively preventing workers from directly contacting the cleaning liquid. When in use, it can be placed inside the device without affecting the dust removal process, further improving work efficiency.

[0015] In a preferred embodiment, a gear guide rail is fixedly installed inside the lifting device, a gear is slidably installed inside the gear guide rail, and a lifting knob is fixedly connected to the gear.

[0016] By adopting the above technical solution, the lifting device uses a gear and rack transmission mechanism. The centrally configured transmission gear is linked to an external knob through a rotating shaft. When the knob is rotated, the gear meshes smoothly along the guide rail, realizing the controllable lifting of the cleaning device and effectively enhancing the stability of system operation.

[0017] In a preferred embodiment, a fan motor is fixedly installed inside the fan housing, a fan is fixedly connected to the bottom of the fan, and adsorption plate mounting slots are fixedly installed on both sides of the fan, with dust adsorption plates fixedly installed inside the adsorption plate mounting slots.

[0018] By adopting the above technical solution, the internal fan system of the cleaning device generates negative pressure airflow using centrifugal force during operation, drawing external dust into the dust collection chamber through a streamlined air duct. Modular dust filter components are configured on both sides of the chamber, secured with sliding rail slots, ensuring airtightness while enabling tool-free quick assembly and disassembly, significantly reducing maintenance costs and extending the equipment's service life.

[0019] In a preferred embodiment, a spring fixing block is fixedly installed at the bottom of the fixing clip, and a spring is fixedly installed on the front of the spring fixing block.

[0020] By adopting the above technical solution, a spring fixing block is set at the bottom of the fixing clamp, the spring is fixed on the fixing block, the circuit board is placed in the middle of the fixing clamp, and the circuit board can be easily fixed by pulling the spring and then releasing it, thereby improving work efficiency.

[0021] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0022] In this application, a lead screw is fixedly installed at the top of the device, driven by a servo motor to achieve axial sliding. A lifting mechanism is integrated at the end of the lead screw, adaptable to various PCB boards of different heights. A composite cleaning module is configured at the bottom of the lifting mechanism, including an anti-static rotating brush and a centrifugal negative pressure system. This achieves efficient particle removal through simultaneous brushing and adsorption. A detachable drawer structure is provided on the side of the device. After the dust removal process, the cleaning water injected into the drawer can perform a secondary cleaning treatment on the surface. After cleaning, the tray inside the drawer can lift the entire circuit board, effectively preventing workers from directly contacting the cleaning liquid. During use, it can be placed inside the device without affecting the dust removal process, further improving work efficiency. Attached Figure Description

[0023] Figure 1 This is an overall external schematic diagram of this application;

[0024] Figure 2 This is a schematic diagram showing the side unfolding of the diagram in this application;

[0025] Figure 3This is a front view of the cleaning device in this application;

[0026] Figure 4 This is a schematic diagram of the installation of the fixing clip in this application.

[0027] The diagram shows the following components: 1. Processing device body; 2. Mounting column; 3. Lead screw lever; 4. Fixing block; 5. Lead screw motor; 6. Sliding rod; 7. Sliding block; 8. Connecting column; 9. Lifter; 10. Fixing column; 11. Air intake housing; 12. Cleaning housing; 13. Fixing clip; 14. Fixing clip slide; 15. Cleaning box drawer; 16. Portable cleaning board; 17. Fan motor; 18. Fan; 19. Dust adsorption sheet; 20. Air intake channel; 21. Cleaning brush; 22. Lifting knob; 23. Gear guide rail; 24. Gear; 25. Adsorption sheet mounting slot; 26. Spring fixing block; 27. Spring. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0029] Reference Figure 1-4 , Example:

[0030] A PCB surface treatment device includes a treatment device body 1. A mounting post 2 is fixedly installed on the top of the treatment device body 1. A sliding rod 6 is fixedly installed on the side of the mounting post 2. A sliding block 7 is slidably connected to the sliding rod 6. A connecting post 8 is fixedly installed at the bottom of the sliding block 7. A lifting device 9 is fixedly installed at the bottom of the connecting post 8. By adopting the above technical solution, a lead screw is fixedly installed on the top of the device and driven by a servo motor to achieve axial sliding. The lifting mechanism is integrated at the end of the lead screw, which can adapt to various PCB boards of different heights.

[0031] The lifting device 9 is fixedly connected to the fan housing 11 via the fixing column 10. The bottom of the fan housing 11 is fixedly installed with the air intake channel 20. The bottom of the air intake channel 20 is fixedly installed with the cleaning housing 12. The bottom of the cleaning housing 12 is fixedly installed with the anti-static brush 21. By adopting the above technical solution, the bottom of the lifting mechanism is equipped with a composite cleaning module, which includes an anti-static rotating brush and a centrifugal negative pressure system. The efficient removal of particles is achieved through synchronous brushing and adsorption.

[0032] The mounting column 2 is slidably connected to a lead screw lever 3, which is rotatably connected to a lead screw motor 5. The lead screw motor 5 is fixedly mounted with a fixing block 4, and a sliding rod 6 is fixedly mounted on the side of the fixing block 4. By using the fixing device, the lead screw is securely fixed to the top of the device.

[0033] A fixing clip 13 is slidably installed on the top of the processing device body 1, and fixing clip slides 14 are provided on both sides of the fixing clip 13. By sliding the fixing clip on the top of the device and installing slides on both sides of the fixing clip, the fixing clip function can be conveniently used through the slides.

[0034] A cleaning box drawer 15 is embedded in the side of the main body 1 of the processing device. A portable cleaning board 16 is placed inside the cleaning box drawer 15. Because of the detachable drawer structure on the side of the device, after the dust removal process, the cleaning water injected into the drawer can perform a secondary cleaning treatment on the surface. After cleaning, the tray inside the drawer can lift the circuit board out entirely, effectively preventing workers from directly contacting the cleaning liquid. When in use, it can be placed inside the device without affecting the dust removal process, further improving work efficiency.

[0035] The lifting device 9 has a gear guide rail 23 fixedly installed inside, and a gear 24 is slidably installed inside the gear guide rail 23. The gear 24 is fixedly connected to the lifting knob 22. The lifting device adopts a gear and rack transmission mechanism. The centrally configured transmission gear is linked with the external knob through a rotating shaft. When the knob is rotated, the gear meshes smoothly along the guide rail, realizing the controllable lifting of the cleaning device and effectively enhancing the stability of the system operation.

[0036] A fan motor 17 is fixedly installed inside the fan housing 11. A fan 18 is fixedly connected to the bottom of the fan 18. Adsorption plate mounting slots 25 are fixedly installed on both sides of the fan 18, and dust adsorption plates 19 are fixedly installed inside the adsorption plate mounting slots 25. Through the internal fan system of the cleaning device, negative pressure airflow is generated by centrifugal force during operation, drawing external dust into the dust collection chamber through a streamlined air duct. Modular dust filter components are configured on both sides of the chamber, using sliding rail slots for fixation. This ensures airtightness while enabling tool-free quick assembly and disassembly, significantly reducing maintenance costs and extending the equipment's service life.

[0037] A spring fixing block 26 is fixedly installed at the bottom of the fixing clip 13, and a spring 27 is fixedly installed on the front of the spring fixing block 26. By setting the spring fixing block at the bottom of the fixing clip, the spring is fixed on the fixing block. The circuit board is placed in the middle of the fixing clip. The circuit board can be easily fixed by pulling the spring and then releasing it, thereby improving work efficiency.

[0038] The implementation principle of an embodiment of a PCB circuit board surface treatment device in this application is as follows:

[0039] A mounting column 2 is fixedly installed on the top of the main body 1 of the processing device. A sliding rod 6 is fixedly installed on the side of the mounting column 2. A sliding block 7 is slidably connected to the sliding rod 6. A connecting column 8 is fixedly installed at the bottom of the sliding block 7. A lifting device 9 is fixedly installed at the bottom of the connecting column 8. A fan housing 11 is fixedly connected to the lifting device 9 through a fixing column 10. An air duct 20 is fixedly installed at the bottom of the fan housing 11. A cleaning housing 12 is fixedly installed at the bottom of the air duct 20. An anti-static brush 21 is fixedly installed at the bottom of the cleaning housing 12. By adopting the above technical solution, a lead screw is fixedly installed on the top of the device, which is driven by a servo motor to achieve axial sliding. The end of the lead screw integrates a lifting mechanism, which can be adapted to various PCB boards of different heights. A composite cleaning module is configured at the bottom of the lifting mechanism, including an anti-static rotating brush and a centrifugal negative pressure system. The efficient removal of particles is achieved through synchronous brushing and adsorption.

[0040] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A PCB circuit board surface treatment apparatus, comprising a treatment apparatus body (1), characterized in that: The top of the processing device body (1) is fixedly installed with a mounting column (2), and a sliding rod (6) is fixedly installed on the side of the mounting column (2). The sliding rod (6) is slidably connected to a sliding block (7). A connecting column (8) is fixedly installed at the bottom of the sliding block (7). A lifting device (9) is fixedly installed at the bottom of the connecting column (8). A fan housing (11) is fixedly connected to the lifting device (9) through a fixing column (10). An air duct (20) is fixedly installed at the bottom of the fan housing (11). A cleaning housing (12) is fixedly installed at the bottom of the air duct (20). An antistatic brush (21) is fixedly installed at the bottom of the cleaning housing (12).

2. The PCB circuit board surface treatment device as described in claim 1, characterized in that: The mounting column (2) is slidably connected to a screw lever (3), the screw lever (3) is rotatably connected to a screw motor (5), the screw motor (5) is fixedly mounted with a fixing block (4), and the fixing block (4) is fixedly mounted with a sliding rod (6) on its side.

3. The PCB circuit board surface treatment device as described in claim 1, characterized in that: A fixing clip (13) is slidably installed on the top of the processing device body (1), and fixing clip slides (14) are provided on both sides of the fixing clip (13).

4. The PCB circuit board surface treatment device as described in claim 1, characterized in that: A cleaning box drawer (15) is embedded in the side of the main body (1) of the processing device, and a portable cleaning board (16) is placed inside the cleaning box drawer (15).

5. The PCB circuit board surface treatment device as described in claim 1, characterized in that: The lifting device (9) has a gear guide rail (23) fixedly installed inside, and a gear (24) is slidably installed inside the gear guide rail (23). The gear (24) is fixedly connected to a lifting knob (22).

6. The PCB circuit board surface treatment device as described in claim 1, characterized in that: A fan motor (17) is fixedly installed inside the fan housing (11). A fan (18) is fixedly connected to the bottom of the fan motor (17). Adsorption plate mounting slots (25) are fixedly installed on both sides of the fan (18). Dust adsorption plates (19) are fixedly installed inside the adsorption plate mounting slots (25).

7. The PCB circuit board surface treatment device as described in claim 3, characterized in that: A spring fixing block (26) is fixedly installed at the bottom of the fixing clip (13), and a spring (27) is fixedly installed on the front of the spring fixing block (26).