A dust removal mechanism
Patent Information
- Application Number
- CN202522279005.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-28
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2035-10-28
AI Technical Summary
但是还是会有粉尘残留在PCBA的角落吸取不干净
[0014] This dust removal mechanism can directly draw gas from the high-speed rotary joint into the air path and dust removal nozzle via a speed-regulating motor and worm gear reducer. The gas is then distributed to the end of the air path at the workpiece. The speed-regulating motor starts to rotate the dust removal nozzle to remove dust, improving the efficiency of dust removal and avoiding the problem of dust remaining in the corners of the PCBA and not being completely removed.
Smart Images

Figure CN224763813U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dust removal technology, and in particular to a dust removal mechanism. Background Technology
[0002] A PCBA depaneling machine is a mechanical device used to cut and separate PCBA (Printed Circuit Board Assembly) panels, commonly used in the manufacturing process of electronic products. After the electronic components are mounted and soldered on the PCBA panel, it needs to be cut and separated into individual circuit boards by the PCBA depaneling machine to facilitate subsequent assembly and testing. This type of machinery is characterized by high efficiency, precision, and stability, which can greatly improve the production efficiency and quality of electronic products.
[0003] PCBA depaneling machines cut PCBA panels using milling cutters. Although the equipment has a vacuum cleaner to remove dust generated during the cutting process, some dust still remains in the corners of the PCBA panels and cannot be completely removed. Therefore, to solve this problem, we designed a highly efficient dust removal mechanism. Utility Model Content
[0004] The present invention provides a dust removal mechanism to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A dust removal mechanism includes a speed-regulating motor, a worm gear reducer mounted on one side of the speed-regulating motor, the intermediate shaft of the worm gear reducer being hollow, a high-speed rotary joint connected to the upper end of the worm gear reducer, an air pipe joint connected to the lower end of the worm gear reducer, an air path branching component provided at the lower end of the air pipe joint, multiple sets of air path branches mounted on the side wall of the air path branching component, a fixed sheet metal connected to the lower end of the air path branching component, and a dust removal nozzle provided at one end of the high-speed rotary joint.
[0007] Preferably, a filter screen is installed inside the dust removal nozzle.
[0008] Preferably, an annular plate is installed on the outer wall of the dust removal nozzle, and a slot is provided on the side wall of the annular plate, with a retaining plate engaged inside the slot.
[0009] Preferably, the other end of the card plate is connected to an isolation plate, which covers the opening of the dust removal nozzle.
[0010] Preferably, the annular plate has two sets of screw holes on its side wall, and each set of screw holes is threaded with a set of fixing bolts, and both sets of fixing bolts are threaded to the end face of the clamping plate.
[0011] Preferably, one end of the high-speed rotary joint is provided with a mounting plate, one side of the mounting plate is provided with a positioning plate, and the other side of the positioning plate is connected to the dust removal nozzle.
[0012] Preferably, the positioning plate is provided with multiple sets of positioning bolts, and the multiple sets of positioning bolts are threadedly connected to the end face of the mounting plate.
[0013] The beneficial effects of this utility model are as follows:
[0014] This dust removal mechanism can directly draw gas from the high-speed rotary joint into the air path and dust removal nozzle via a speed-regulating motor and worm gear reducer. The gas is then distributed to the end of the air path at the workpiece. The speed-regulating motor starts to rotate the dust removal nozzle to remove dust, improving the efficiency of dust removal and avoiding the problem of dust remaining in the corners of the PCBA and not being completely removed. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model.
[0016] Figure 2 This is a schematic diagram of the structure of the isolation plate in this utility model.
[0017] Figure 3 This is a schematic diagram of the worm gear reducer in this utility model.
[0018] Figure 4 This utility model Figure 3 A magnified structural diagram of A.
[0019] The following are the labels in the diagram: 1. Speed-regulating motor; 2. Worm gear reducer; 3. High-speed rotary joint; 4. Air pipe connector; 5. Air circuit branch workpiece; 6. Fixed sheet metal; 7. Dust removal nozzle; 8. Filter screen; 9. Annular plate; 10. Slot; 11. Card plate; 12. Isolation plate; 13. Screw hole; 14. Fixing bolt; 15. Mounting plate; 16. Positioning plate; 17. Positioning bolt. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0021] Reference Figures 1-4As shown, a dust removal mechanism includes a speed-regulating motor 1, a worm gear reducer 2 mounted on one side of the speed-regulating motor 1, the intermediate shaft of the worm gear reducer 2 being hollow, a high-speed rotary joint 3 connected to the upper end of the worm gear reducer 2, an air pipe joint 4 connected to the lower end of the worm gear reducer 2, an air path branching component 5 provided at the lower end of the air pipe joint 4, multiple sets of air path branches installed on the side wall of the air path branching component 5, a fixed sheet metal 6 connected to the lower end of the air path branching component 5, and a dust removal nozzle 7 provided at one end of the high-speed rotary joint 3.
[0022] In this embodiment, the speed-regulating motor 1 and the worm gear reducer 2 are started. Since the intermediate shaft of the worm gear reducer 2 is hollow, the gas can directly enter from the high-speed rotary joint 3 through the air path and the dust removal nozzle 7, and then be distributed to the end at the workpiece 5 in the air path branch. The speed-regulating motor 1 starts to rotate the dust removal nozzle 7 to remove dust. By using the speed-regulating motor 1 and the worm gear reducer 2, the gas can be directly introduced from the high-speed rotary joint 3 through the air path and the dust removal nozzle 7, and then distributed to the end at the workpiece 5 in the air path branch. The speed-regulating motor 1 starts to rotate the dust removal nozzle 7 to remove dust, which improves the dust removal efficiency and avoids the problem of dust remaining in the corners of the PCBA and not being completely removed.
[0023] Furthermore, a filter screen 8 is installed inside the dust removal nozzle 7; by setting the filter screen 8, larger impurities can be prevented from entering the interior of the worm gear reducer 2, thus avoiding the problem of blockage in the worm gear reducer 2.
[0024] Furthermore, an annular plate 9 is installed on the outer wall of the dust removal nozzle 7. A slot 10 is formed on the side wall of the annular plate 9, and a retaining plate 11 is engaged inside the slot 10. An isolation plate 12 is connected to the other end of the retaining plate 11, and the isolation plate 12 covers the opening of the dust removal nozzle 7. Two sets of screw holes 13 are formed on the side wall of the annular plate 9. A set of fixing bolts 14 are threaded into the two sets of screw holes 13, and both sets of fixing bolts 14 are threaded into the end face of the retaining plate 11. When the dust removal nozzle 7 is not in use, the retaining plate 11 is engaged inside the slot 10, and then the fixing bolts 14 are installed inside the screw holes 13. This engages and fixes the retaining plate 11 inside the slot 10, thereby covering the opening of the dust removal nozzle 7 with the isolation plate 12. This seals and protects the dust removal nozzle 7, preventing impurities from entering the worm gear reducer 2 and causing damage to the worm gear reducer 2 when the dust removal nozzle 7 is not in use.
[0025] Furthermore, a mounting plate 15 is provided at one end of the high-speed rotary joint 3, and a positioning plate 16 is provided on one side of the mounting plate 15. The other side of the positioning plate 16 is connected to the dust removal nozzle 7. Multiple sets of positioning bolts 17 are provided on the positioning plate 16 and are threadedly connected to the end face of the mounting plate 15. By setting the positioning plate 16 and the positioning bolts 17, the dust removal nozzle 7 can be removed from the mounting plate 15, which is convenient for disassembling and replacing the dust removal nozzle 7.
[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A dust removal mechanism, characterized in that, The device includes a speed-regulating motor (1), a worm gear reducer (2) installed on one side of the speed-regulating motor (1), the intermediate shaft of the worm gear reducer (2) is hollow, a high-speed rotary joint (3) is connected to the upper end of the worm gear reducer (2), an air pipe joint (4) is connected to the lower end of the worm gear reducer (2), an air path branching workpiece (5) is provided at the lower end of the air pipe joint (4), multiple sets of air path branches are installed on the side wall of the air path branching workpiece (5), a fixed sheet metal (6) is connected to the lower end of the air path branching workpiece (5), and a dust removal nozzle (7) is provided at one end of the high-speed rotary joint (3).
2. The dust removal mechanism according to claim 1, characterized in that, The dust removal nozzle (7) is equipped with a filter screen (8).
3. The dust removal mechanism according to claim 1, characterized in that, The outer wall of the dust removal nozzle (7) is equipped with an annular plate (9), and a slot (10) is provided on the side wall of the annular plate (9). A card plate (11) is engaged inside the slot (10).
4. The dust removal mechanism according to claim 3, characterized in that, The other end of the card plate (11) is connected to an isolation plate (12), which covers the opening of the dust removal nozzle (7).
5. The dust removal mechanism according to claim 3, characterized in that, Two sets of screw holes (13) are provided on the side wall of the annular plate (9). A set of fixing bolts (14) are threaded inside the two sets of screw holes (13). The two sets of fixing bolts (14) are threaded to the end face of the clamping plate (11).
6. The dust removal mechanism according to claim 1, characterized in that, One end of the high-speed rotary joint (3) is provided with an installation plate (15), one side of the installation plate (15) is provided with a positioning plate (16), and the other side of the positioning plate (16) is connected to the dust removal nozzle (7).
7. The dust removal mechanism according to claim 6, characterized in that, The positioning plate (16) is provided with multiple sets of positioning bolts (17), and the multiple sets of positioning bolts (17) are threadedly connected to the end face of the mounting plate (15).