Circuit board recycling, cleaning and dust removing device
By designing a closed circuit board recycling, cleaning and dust removal device and using a cleaning mechanism driven by transmission gears and servo motors, the problem of external dust entering and affecting the cleaning quality is solved, and an efficient circuit board cleaning effect is achieved.
Patent Information
- Application Number
- CN202422332257.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-09-24
AI Technical Summary
During the cleaning process of existing cleaning and dust removal equipment for circuit board recycling, external dust can easily enter the device, affecting the cleaning quality.
A circuit board recovery, cleaning and dust removal device was designed, which included a workbench base, a device cover, a pull plate placement seat, a lifting connection seat and a cleaning mechanism. The device was sealed by a sealing strip and a transmission gear system. Combined with the cleaning mechanism of the half-tooth gear driven by a servo motor and a return spring, the airtightness and efficient cleaning of the cleaning process were ensured.
This prevents external dust from entering the device when cleaning the circuit board, thereby improving cleaning efficiency and quality.
Smart Images

Figure CN223475819U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit board recycling technology, specifically a circuit board recycling cleaning and dust removal device. Background Technology
[0002] The printed circuit board (PCB) industry is fundamental to the electronics and electrical appliance industry. In recent years, with the rapid development of the electronics and electrical appliance industry, the number of discarded PCBs has also increased dramatically. Therefore, the recycling of discarded PCBs has become increasingly important. Current methods for recycling discarded PCBs generally involve unified collection without sorting. Since a significant portion of discarded PCBs contain recyclable electronic components, dust removal treatment is necessary during unified collection.
[0003] For example, patent number CN202122318510.1 discloses a cleaning and dust removal device for circuit board recycling, including a base, a first connecting plate, a first connecting block, a first rotating rod, a first pulley assembly, a first frame, a second connecting block, a first connecting rod, a nut, a second connecting plate, a second rotating rod, rollers, a second frame, and a motor. The base has first connecting plates on both sides, and first connecting blocks are installed on the inner walls of the front and rear sides of the two first connecting plates. The first connecting blocks cooperate with the base. First rotating rods are rotatably installed between the front, rear, left, and right sides of the two first connecting plates. A first pulley assembly connects the two first rotating rods. A first frame is installed between the middle of the two first connecting plates. Second connecting blocks are symmetrically arranged on the left and right sides of the rear wall of the first frame, and first connecting rods are installed between the second connecting blocks on the same side. This invention allows the motor to be started, the motor output shaft to drive the first gear to rotate, and then the circuit board is driven backward through the first pulley assembly. The circuit board is then cleaned of dust by double-sided adhesive on the rollers, thus achieving the effect of cleaning dust. It is simple to operate and convenient for users.
[0004] The circuit board recycling cleaning and dust removal equipment in this patent is exposed to the air during the cleaning process, and external dust will enter the equipment while the equipment is cleaning the circuit board, thus affecting the cleaning quality of the circuit board. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a circuit board recycling, cleaning, and dust removal device. This solves the problem that in circuit board recycling cleaning and dust removal equipment, since the device is exposed to the air during the cleaning process, external dust will enter the device, thus affecting the cleaning quality of the circuit boards.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a circuit board recycling, cleaning, and dust removal device, comprising a workbench base, with a device cover plate and a pull plate placement seat respectively provided at the upper and lower ends of the front end face of the workbench base. The device cover plate is located at the top of the pull plate placement seat, and a sealing strip is provided at the intersection of the device cover plate and the pull plate placement seat. A positioning mechanism is provided at one end of the pull plate placement seat on the inner side of the workbench base. The positioning mechanism includes a connecting frame and a connecting pressure plate. A lifting connecting seat is provided above the positioning mechanism on the inner side of the workbench base. A cleaning mechanism is movably connected to the bottom end of the lifting connecting seat. The cleaning mechanism includes a connecting frame and four adhesive rollers.
[0007] Preferably, the cleaning mechanism is provided with connecting side plates on both sides, and the top of the connecting side plate is provided with a movable groove inside the lifting connecting seat, and the top of the connecting side plate extends to the inside of the movable groove.
[0008] Preferably, a return spring is provided behind the connecting side plate on the inner side of the movable groove, the movable groove and the return spring are fixedly connected by bolts, and the connecting side plate is movably connected to the movable groove by the return spring.
[0009] Preferably, a half-tooth gear is provided on one side of the top of the connecting side plate, located on the inner wall of the movable groove. A second rack is provided below the half-tooth gear on the top surface of the connecting side plate. The half-tooth gear and the second rack mesh with each other. A servo motor is provided on the rear end of the half-tooth gear, located on the inner side of the lifting connecting seat. The servo motor is connected to the half-tooth gear through a coupling.
[0010] Preferably, the device cover plate and the lifting connecting seat are respectively provided with a first lifting groove and a second lifting groove on both sides of the inner side of the workbench base. The top of the device cover plate and the lifting connecting seat are respectively provided with a lead screw on the inner side of the first lifting groove and the second lifting groove. The bottom end of the lead screw passes through the device cover plate and the lifting connecting seat and extends to the bottom end of the inner wall of the first lifting groove and the second lifting groove. The lead screw is engaged with the device cover plate and the lifting connecting seat respectively.
[0011] Preferably, the bottom end of the lead screw is provided with a transmission gear on the inner side of the workbench base, and the rear end of the transmission gear and the intersection of the lead screw and the transmission gear are provided with bevel gears, and the lead screw and the transmission gear are connected by bevel gear transmission.
[0012] Preferably, the bottom end of the transmission gear is provided with a first rack on one side of the pull plate placement seat, and the transmission gear and the first rack mesh with each other.
[0013] Beneficial effects
[0014] This utility model provides a circuit board recycling, cleaning, and dust removal device. Compared with the prior art, it has the following advantages:
[0015] Beneficial effects:
[0016] 1. When the pull plate placement seat is pulled out from inside the device, the pull plate placement seat drives the lead screw to rotate through the transmission gear, thereby causing the device cover plate and the lifting connection seat to rise inside the device, which facilitates the subsequent loading and unloading of circuit boards by the staff. When the pull plate placement seat is returned to the inside of the device, the device cover plate and the pull plate placement seat close, so that the device forms a sealed space during the cleaning of circuit boards, preventing external dust from entering the device.
[0017] 2. When the circuit board is inside the device, the cleaning mechanism at the bottom of the lifting connecting seat is in contact with the surface of the circuit board. A half-tooth gear is provided on one side of the cleaning mechanism on the inner wall of the lifting connecting seat. The half-tooth gear meshes with the cleaning mechanism. A return spring is provided at the rear end of the cleaning mechanism on the inner side of the lifting connecting seat. Thus, the cleaning mechanism repeatedly cleans the surface of the circuit board through the half-tooth gear and the return spring, improving the cleaning efficiency. Attached Figure Description
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the connection between the lifting connecting seat and the cleaning mechanism of this utility model;
[0020] Figure 3 This is a schematic diagram of the connection between the workbench base and the pull plate placement seat of this utility model;
[0021] Figure 4 This is an enlarged structural schematic diagram of the connection between the transmission gear and the lead screw of this utility model.
[0022] In the diagram: 1. Workbench base; 2. Pull plate placement seat; 3. First rack; 4. Device cover plate; 5. Lifting connecting seat; 6. Cleaning mechanism; 7. Connecting side plate; 8. Movable groove; 9. Return spring; 10. Half gear; 11. Second rack; 12. First lifting groove; 13. Second lifting groove; 14. Lead screw; 15. Transmission gear; 16. Positioning mechanism. Detailed Implementation
[0023] 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.
[0024] Please see Figure 1-4This utility model provides a technical solution: a circuit board recycling, cleaning and dust removal device, including a workbench base 1, with a device cover plate 4 and a pull plate placement seat 2 respectively provided at the upper and lower ends of the front end face of the workbench base 1. The device cover plate 4 is located at the top of the pull plate placement seat 2, and a sealing strip is provided at the intersection of the device cover plate 4 and the pull plate placement seat 2. Thus, when the device cover plate 4 and the pull plate placement seat 2 are closed, the device forms a sealed space during the circuit board cleaning process, preventing external dust from entering the device and affecting the cleaning effect.
[0025] A positioning mechanism 16 is provided at one end of the pull plate placement seat 2, located inside the workbench base 1. The positioning mechanism 16 includes a connecting frame and a connecting pressure plate. A lifting connecting seat 5 is provided above the positioning mechanism 16, located inside the workbench base 1. A first lifting groove 12 and a second lifting groove 13 are respectively provided on both sides of the device cover plate 4 and the lifting connecting seat 5, located inside the workbench base 1. A lead screw 14 is provided at the top of the device cover plate 4 and the lifting connecting seat 5, located inside the first lifting groove 12 and the second lifting groove 13. The bottom end of the lead screw 14 passes through the device cover plate 4 and the lifting connecting seat 5 and extends to the bottom end of the inner wall of the first lifting groove 12 and the second lifting groove 13. The lead screw 14 meshes with the device cover plate 4 and the lifting connecting seat 5 respectively. The bottom end of the device is located inside the workbench base 1 and is provided with a transmission gear 15. The rear end of the transmission gear 15 and the intersection of the lead screw 14 and the transmission gear 15 are provided with bevel gears. The lead screw 14 and the transmission gear 15 are connected by bevel gear transmission. The bottom end of the transmission gear 15 is located on one side of the pull plate placement seat 2 and is provided with a first rack 3. The transmission gear 15 and the first rack 3 mesh with each other, and then the pull plate placement seat 2 meshes with the transmission gear 15 through the first rack 3. When the pull plate placement seat 2 is pulled out from inside the device, the pull plate placement seat 2 drives the lead screw 14 to rotate through the transmission gear 15, thereby causing the device cover plate 4 and the lifting connection seat 5 to rise inside the device, which facilitates the subsequent loading and unloading of circuit boards by the staff.
[0026] A cleaning mechanism 6 is movably connected to the bottom end of the lifting connecting seat 5. The cleaning mechanism 6 includes a connecting frame and four adhesive rollers. Connecting side plates 7 are provided on both sides of the cleaning mechanism 6. A movable groove 8 is provided at the top of the connecting side plate 7 inside the lifting connecting seat 5, extending to the inside of the movable groove 8. A return spring 9 is provided behind the connecting side plate 7 inside the movable groove 8. The movable groove 8 and the return spring 9 are fixedly connected by bolts. The connecting side plate 7 is movably connected to the movable groove 8 via the return spring 9. A half-tooth gear 10 is provided on one side of the top of the connecting side plate 7 on the inner wall of the movable groove 8. A second rack 11 is provided below the half-tooth gear 10 on the top surface of the connecting side plate 7. The half-tooth gear 10 meshes with the second rack 11. The rear end of the half-tooth gear 10 is located inside the lifting connecting seat 5 and is equipped with a servo motor. The servo motor is connected to the half-tooth gear 10 through a coupling. When the circuit board is inside the device, the cleaning mechanism 6 at the bottom of the lifting connecting seat 5 is in contact with the surface of the circuit board. The half-tooth gear 10 is located on one side of the cleaning mechanism 6 on the inner wall of the lifting connecting seat 5. The half-tooth gear 10 meshes with the cleaning mechanism 6. The rear end of the cleaning mechanism 6 is located inside the lifting connecting seat 5 and is equipped with a return spring 9. Thus, the cleaning mechanism 6 repeatedly cleans the surface of the circuit board through the half-tooth gear 10 and the return spring 9, thereby improving the cleaning efficiency.
[0027] During operation, when the pull plate placement seat 2 is pulled out from inside the device, the pull plate placement seat 2 drives the lead screw 14 to rotate through the transmission gear 15, thereby causing the device cover plate 4 and the lifting connecting seat 5 to rise inside the device, facilitating subsequent loading and unloading of circuit boards by subsequent personnel. When the pull plate placement seat 2 is returned to the device, the device cover plate 4 and the pull plate placement seat 2 close, forming a sealed space during the cleaning process of the circuit board, preventing external dust from affecting the cleaning effect. Then, the power is turned on and the device is started. When the circuit board is inside the device, the cleaning mechanism 6 at the bottom of the lifting connecting seat 5 is in contact with the surface of the circuit board. A half-tooth gear 10 is provided on one side of the cleaning mechanism 6 on the inner wall of the lifting connecting seat 5. The half-tooth gear 10 meshes with the cleaning mechanism 6, and a return spring 9 is provided at the rear end of the cleaning mechanism 6 on the inner side of the lifting connecting seat 5. Thus, the half-tooth gear 10 and the return spring 9 enable the cleaning mechanism 6 to repeatedly clean the surface of the circuit board, improving the cleaning efficiency.
[0028] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.
Claims
1. A circuit board recycling, cleaning, and dust removal device, comprising a workbench base (1), characterized in that: The front end of the workbench base (1) is provided with a device cover plate (4) and a pull plate placement seat (2) at the upper and lower ends respectively. The device cover plate (4) is located at the top of the pull plate placement seat (2). A sealing strip is provided at the intersection of the device cover plate (4) and the pull plate placement seat (2). One end of the pull plate placement seat (2) is located inside the workbench base (1) and is provided with a positioning mechanism (16). The positioning mechanism (16) includes a connecting frame and a connecting pressure plate. Above the positioning mechanism (16) is located inside the workbench base (1) and is provided with a lifting connecting seat (5). The bottom end of the lifting connecting seat (5) is movably connected to a cleaning mechanism (6). The cleaning mechanism (6) includes a connecting frame and four adhesive rollers.
2. The circuit board recycling, cleaning, and dust removal device according to claim 1, characterized in that: The cleaning mechanism (6) is provided with connecting side plates (7) on both sides. The top of the connecting side plate (7) is located inside the lifting connecting seat (5) and has a movable groove (8). The top of the connecting side plate (7) extends to the inside of the movable groove (8).
3. The circuit board recycling, cleaning, and dust removal device according to claim 2, characterized in that: A reset spring (9) is provided on the inner side of the movable groove (8) behind the connecting side plate (7). The movable groove (8) and the reset spring (9) are fixedly connected by bolts. The connecting side plate (7) is movably connected to the movable groove (8) through the reset spring (9).
4. The circuit board recycling, cleaning, and dust removal device according to claim 3, characterized in that: A half-tooth gear (10) is provided on one side of the top of the connecting side plate (7) on the inner wall of the movable groove (8). A second rack (11) is provided below the half-tooth gear (10) on the top surface of the connecting side plate (7). The half-tooth gear (10) and the second rack (11) mesh with each other. A servo motor is provided at the rear end of the half-tooth gear (10) on the inner side of the lifting connecting seat (5). The servo motor is connected to the half-tooth gear (10) through a coupling.
5. The circuit board recycling, cleaning, and dust removal device according to claim 1, characterized in that: The device cover plate (4) and the lifting connecting seat (5) are respectively provided with a first lifting groove (12) and a second lifting groove (13) on both sides of the workbench base (1). The top of the device cover plate (4) and the lifting connecting seat (5) are respectively provided with a lead screw (14) on the inner side of the first lifting groove (12) and the second lifting groove (13). The bottom end of the lead screw (14) passes through the device cover plate (4) and the lifting connecting seat (5) and extends to the bottom end of the inner wall of the first lifting groove (12) and the second lifting groove (13). The lead screw (14) meshes with the device cover plate (4) and the lifting connecting seat (5) respectively.
6. The circuit board recycling, cleaning, and dust removal device according to claim 5, characterized in that: The bottom end of the lead screw (14) is located inside the workbench base (1) and is provided with a transmission gear (15). The rear end of the transmission gear (15) and the intersection of the lead screw (14) and the transmission gear (15) are provided with bevel gears. The lead screw (14) and the transmission gear (15) are connected by bevel gear transmission.
7. The circuit board recycling, cleaning, and dust removal device according to claim 6, characterized in that: The bottom end of the transmission gear (15) is provided with a first rack (3) on one side of the pull plate placement seat (2), and the transmission gear (15) and the first rack (3) mesh with each other.
Citation Information
Patent Citations
Cleaning and dust removing equipment for circuit board recycling
CN215879079U