A powder recovery device for vertical powder spraying equipment
By introducing filter cleaning and replacement components into the vertical powder coating equipment, the problem of filter clogging has been solved, achieving efficient powder recovery and simple filter maintenance, thus improving the operational stability and economy of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGYI TECHNOLOGY (DONGGUAN) CO LTD
- Filing Date
- 2025-07-17
- Publication Date
- 2026-06-30
AI Technical Summary
The filter elements of the powder recovery devices in existing vertical powder spraying equipment are prone to clogging due to dust adhesion, and are inconvenient to disassemble, resulting in reduced recovery efficiency and high maintenance costs.
The design includes a filter cleaning assembly and a replacement assembly. The cleaning brush is rotated by a drive shaft to remove dust, and the filter is disassembled and installed by a threaded connection.
It improves the operating efficiency of the powder recovery device, reduces equipment downtime, lowers maintenance costs, and extends equipment lifespan.
Smart Images
Figure CN224423260U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of powder recovery devices, specifically to a powder recovery device for a vertical powder spraying equipment. Background Technology
[0002] Electrostatic powder coating is widely used in the field of metal parts coating. It has advantages such as controllable spraying, uniform coating, and high efficiency. The resulting coating has high mechanical strength, good adhesion, and is resistant to corrosion and aging. In batch or assembly line spraying operations, powder booths are often set up. After the workpiece is sprayed, it is transported to other workstations after being entered into the booth by a suspended conveyor system. The powder booth can not only improve the spraying effect, but also help to recycle and reuse powder coatings, thereby reducing costs and protecting the environment. During the workpiece spraying, excess powder is left in the powder booth and is sucked into the powder recovery device through the ventilation duct. After filtration, separation and storage, it is recycled, reducing waste, saving costs and reducing environmental pollution.
[0003] Existing vertical powder spraying equipment relies heavily on filter cartridges to intercept suspended dust. However, these cartridges are prone to clogging due to dust buildup over time, leading to reduced recycling efficiency and impacting equipment operation. Furthermore, the existing filter cartridge structure is inconvenient to disassemble, and cleaning and replacement after clogging is time-consuming and labor-intensive, increasing downtime and maintenance costs. In addition, the recycling device lacks an effective cleaning mechanism, making it impossible to remove dust promptly during filter cartridge use. It can only passively address clogging issues, further reducing equipment efficiency and reliability. Utility Model Content
[0004] To address this issue, this utility model provides a powder recovery device for a vertical powder spraying equipment. By using a filter element cleaning component and a filter element replacement component, it solves the problems of filter elements being prone to clogging due to dust accumulation after long-term use, and the inconvenience of disassembling existing filter element structures, as well as the time-consuming and labor-intensive process of cleaning and replacing clogged filter elements.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a powder recovery device for a vertical powder spraying equipment, comprising a dust recovery box, a dust inlet pipe fixedly provided on one side of the dust recovery box, an internally threaded installation area provided inside the dust recovery box, a fixed plate fixedly provided inside the dust recovery box, a limiting groove provided inside the fixed plate, a dust collection box fixedly provided at the bottom of the dust recovery box, a dust discharge outlet fixedly provided at the bottom of the dust collection box, a fixed block fixedly provided at the bottom of the dust discharge outlet, a filter element cleaning assembly and a filter element replacement assembly provided inside the dust recovery box, the filter element cleaning assembly comprising a drive shaft, a motor provided at the bottom of the drive shaft, a cleaning brush fixedly sleeved at the top of the drive shaft, the filter element replacement assembly comprising a filter element body, a connecting ring fixedly sleeved on the outside of the filter element body, a limiting plate provided at the top of the filter element body, and an externally threaded installation area fixedly provided on the outside of the limiting plate.
[0006] Preferably, the motor is fixedly mounted on the bottom of the fixing block, and the output of the motor is fixedly connected to the bottom of the transmission shaft.
[0007] Preferably, the drive shaft passes through the fixed block and is connected to the fixed block via a sealed bearing.
[0008] Preferably, the drive shaft passes through the dust collection box and is connected to the fixed block via a sealed bearing.
[0009] Preferably, the drive shaft passes through the fixed disc and is connected to the fixed block via a sealed bearing.
[0010] Preferably, the connecting ring is disposed inside the limiting groove and is slidably connected to the limiting groove.
[0011] Preferably, the bottom of the limiting disc contacts the top of the filter element body and is slidably connected to the top of the filter element body.
[0012] Preferably, the external thread mounting area is located inside the internal thread mounting area and is connected to the internal thread mounting area by a thread.
[0013] The present invention has the following advantages:
[0014] The filter element cleaning assembly uses a drive shaft to rotate a cleaning brush, which can clean the filter element in real time, remove dust from the surface and pores of the filter element in time, avoid filter element clogging, significantly improve the recovery efficiency of the powder recovery device, ensure the stable operation of the entire vertical powder spraying equipment, and reduce equipment downtime caused by filter element clogging.
[0015] With the threaded connection and limiting structure in the filter element replacement assembly, when the filter element needs to be replaced, the operator only needs to simply rotate the limiting plate to easily remove and install the filter element. Compared with traditional devices, this greatly simplifies the filter element replacement process, shortens maintenance time, reduces labor maintenance costs, and at the same time reduces equipment wear and tear caused by maintenance, thus extending the equipment's service life. Attached Figure Description
[0016] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.
[0017] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.
[0018] Figure 1 A schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a perspective view of the front section provided for this utility model;
[0020] Figure 3 This is a partial perspective view of the main sectional view provided by this utility model;
[0021] Figure 4 A partial exploded perspective view provided for this utility model.
[0022] In the diagram: 1. Dust collection box, 2. Dust inlet pipe, 3. Internal thread installation area, 4. Fixing plate, 5. Limiting groove, 6. Dust collection box, 7. Dust outlet, 8. Fixing block, 9. Motor, 10. Drive shaft, 11. Cleaning brush, 12. Filter body, 13. Connecting ring, 14. Limiting plate, 15. External thread installation area. Detailed Implementation
[0023] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0024] See attached document Figure 1 - Appendix Figure 4This utility model provides a powder recovery device for a vertical powder spraying equipment, including a dust recovery box 1, a dust inlet pipe 2 fixedly installed on one side of the dust recovery box 1, an internal threaded installation area 3 opened inside the dust recovery box 1, a fixed plate 4 fixedly installed inside the dust recovery box 1, a limiting groove 5 opened inside the fixed plate 4, a dust collection box 6 fixedly installed at the bottom of the dust recovery box 1, a dust discharge outlet 7 fixedly installed at the bottom of the dust collection box 6, a fixed block 8 fixedly installed at the bottom of the dust discharge outlet 7, a filter element cleaning assembly and a filter element replacement assembly inside the dust recovery box 1, the filter element cleaning assembly including a drive shaft 10, a motor 9 installed at the bottom of the drive shaft 10, a cleaning brush 11 fixedly sleeved at the top of the drive shaft 10, and a filter element replacement assembly including a filter element body 12, a connecting ring 13 fixedly sleeved on the outside of the filter element body 12, a limiting plate 14 installed at the top of the filter element body 12, and an external threaded installation area 15 fixedly installed on the outside of the limiting plate 14;
[0025] In this implementation scheme, in order to clean the filter body 12 during use to prevent clogging and facilitate the replacement of the filter body 12 later, the motor 9 drives the transmission shaft 10 to rotate, which drives the cleaning brush 11 on the top to rotate inside the filter body 12. The mechanical force generated by the rotation effectively removes the dust attached to the filter pores and surface, preventing dust accumulation and clogging of the filter. The cleaned dust slides down onto the inclined box wall inside the dust collection box 6 and automatically gathers to the dust discharge port 7 under the action of gravity. The operator only needs to open the dust discharge port 7 in time to discharge the collected powder. If the filter body 12 reaches the end of its service life or is damaged and needs to be replaced, the operator only needs to rotate the limiting plate 14 counterclockwise. The threaded connection structure between the external thread installation area 15 and the internal thread installation area 3 will separate, and the limiting plate 14 can be easily removed to fully expose the top of the filter body 12. At this time, the old filter can be easily taken out from the dust collection box 1 for replacement.
[0026] In order to provide power for cleaning the filter element body 12, the device adopts the following technical solution: the motor 9 is fixedly installed at the bottom of the fixed block 8, the output of the motor 9 is fixedly connected to the bottom of the transmission shaft 10, the transmission shaft 10 passes through the fixed block 8 and is connected to the fixed block 8 through a sealed bearing, the transmission shaft 10 passes through the dust collection box 6 and is connected to the fixed block 8 through a sealed bearing, the transmission shaft 10 passes through the fixed disk 4 and is connected to the fixed block 8 through a sealed bearing. When the motor 9 is started, the motor 9 drives the transmission shaft 10 to rotate, which drives the cleaning brush 11 at the top to rotate inside the filter element body 12. The mechanical force generated by the rotation effectively removes the dust attached to the filter element pores and surface, avoiding dust accumulation and clogging of the filter element.
[0027] To secure the replacement filter element body 12, the device employs the following technical solution: a connecting ring 13 is located inside the limiting groove 5 and slidably connected to it; the bottom of the limiting disc 14 contacts the top of the filter element body 12 and slidably connects to it; and an external threaded mounting area 15 is located inside the internal threaded mounting area 3 and is threadedly connected to it. When installing a new filter element, the connecting ring 13 on the filter element body 12 is first precisely embedded into the limiting groove 5 of the fixing disc 4, utilizing the shape compatibility of the two to achieve initial positioning. Subsequently, the limiting disc 14 is screwed into the internal threaded mounting area 3, and the threads are tightened to press the limiting disc 14 against the top of the filter element body 12, completing the secure installation of the filter element and ensuring that the device quickly returns to a high-efficiency operating state.
[0028] The usage process of this utility model is as follows: When using this utility model, connect an external power source and then connect the dust inlet pipe 2 to the dust collection device. This ensures that the dust-laden gas sucked up by the dust collection device is smoothly discharged into the dust collection box 1. The dust outlet 7 can be flexibly adjusted in opening and closing state through the matching control device to adapt to different working conditions. After the device is turned on, the dust collection device introduces the air carrying powder into the dust collection box 1 through the dust inlet pipe 2. At this time, the filter body 12 intercepts all the dust in the air, allowing pure air to be discharged from the top opening of the dust collection box 1, achieving air-dust separation. As the usage time increases, when a certain amount of dust accumulates on the surface of the filter body 12 and cleaning and maintenance are required, simply start the motor 9. The motor 9 drives the transmission shaft 10 to rotate, causing the top cleaning brush 11 to rotate inside the filter body 12. Through the mechanical force generated by the rotation, the dust attached to the filter pores and surface is effectively peeled off, preventing dust accumulation and clogging of the filter. The incoming dust slides down onto the inclined wall of the dust collection box 6 and automatically gathers towards the dust discharge port 7 under gravity. The operator only needs to open the dust discharge port 7 at the appropriate time to discharge the collected dust. If the filter element body 12 reaches the end of its service life or is damaged and needs to be replaced, the operator only needs to rotate the limiting plate 14 counterclockwise. The threaded connection structure between the external threaded installation area 15 and the internal threaded installation area 3 will separate, and the limiting plate 14 can be easily removed, so that the top of the filter element body 12 is fully exposed. At this time, the old filter element can be easily taken out from the dust collection box 1. When installing the new filter element, first, the connecting ring 13 on the filter element body 12 is accurately embedded into the limiting groove 5 of the fixing plate 4. The shape adaptation characteristics of the two are used to achieve initial positioning. Then, the limiting plate 14 is screwed into the internal threaded installation area 3. Through thread tightening, the limiting plate 14 presses the top of the filter element body 12, completing the stable installation of the filter element and ensuring that the device can quickly return to a high-efficiency operating state.
[0029] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.
Claims
1. A powder recovery device for a vertical powder spraying equipment, comprising a dust recovery box (1), characterized in that: The dust collection box (1) is fixedly provided with a dust inlet pipe (2) on one side. The dust collection box (1) is provided with an internal threaded installation area (3). The dust collection box (1) is fixedly provided with a fixed plate (4) inside. The fixed plate (4) is provided with a limit groove (5). The dust collection box (1) is fixedly provided with a dust collection box (6) at the bottom. The dust collection box (6) is fixedly provided with a dust outlet (7) at the bottom. The dust outlet (7) is fixedly provided with a fixing block (8) at the bottom. 1) The internal components include a filter element cleaning assembly and a filter element replacement assembly. The filter element cleaning assembly includes a drive shaft (10), a motor (9) at the bottom of the drive shaft (10), and a cleaning brush (11) fixedly fitted at the top of the drive shaft (10). The filter element replacement assembly includes a filter element body (12), a connecting ring (13) fixedly fitted on the outside of the filter element body (12), a limiting plate (14) at the top of the filter element body (12), and an external threaded mounting area (15) fixedly fitted on the outside of the limiting plate (14).
2. The powder recovery device for a vertical powder spraying equipment according to claim 1, characterized in that: The motor (9) is fixedly mounted on the bottom of the fixed block (8), and the output of the motor (9) is fixedly connected to the bottom of the transmission shaft (10).
3. The powder recovery device for a vertical powder spraying equipment according to claim 1, characterized in that: The drive shaft (10) passes through the fixed block (8) and is connected to the fixed block (8) through a sealed bearing.
4. The powder recovery device for a vertical powder spraying equipment according to claim 1, characterized in that: The drive shaft (10) passes through the dust collection box (6) and is connected to the fixed block (8) through a sealed bearing.
5. The powder recovery device for a vertical powder spraying equipment according to claim 1, characterized in that: The drive shaft (10) passes through the fixed disk (4) and is connected to the fixed block (8) through a sealed bearing.
6. The powder recovery device for a vertical powder spraying equipment according to claim 1, characterized in that: The connecting ring (13) is located inside the limiting groove (5) and is slidably connected to the limiting groove (5).
7. A powder recovery device for a vertical powder spraying equipment according to claim 1, characterized in that: The bottom of the limiting plate (14) contacts the top of the filter element body (12) and is slidably connected to the top of the filter element body (12).
8. The powder recovery device for a vertical powder spraying equipment according to claim 1, characterized in that: The external thread mounting area (15) is located inside the internal thread mounting area (3) and is connected to the internal thread mounting area (3) by a thread.