Water curtain dust collection device for grinding and polishing machine
The water curtain dust collection device generates water curtain filtering dust during the polishing process, and combines it with multi-stage filtration to achieve efficient dust removal, solving the problems of unsatisfactory traditional dust removal effects and high maintenance costs, and achieving environmentally friendly and energy-saving dust treatment and resource recovery.
Patent Information
- Application Number
- CN202422156337.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-09-04
AI Technical Summary
Traditional dust removal methods are not effective in the metal and plastic polishing process and have high maintenance costs, affecting the working environment and operator health.
A water curtain dust collection device is used, which generates a water curtain through an atomizing device to filter dust. The suction device and filter cartridge are combined to perform multi-stage filtration to achieve effective capture and recovery of dust.
It improves dust removal effect, reduces maintenance costs, realizes environmentally friendly and energy-saving dust treatment, avoids secondary pollution and promotes resource recycling.
Smart Images

Figure CN223353984U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of dust removal and environmental protection, in particular to a water curtain dust collecting device for a grinding and polishing machine. Background Art
[0002] The polishing process of materials like metal and plastic generates a large amount of dust and debris. This dust not only affects the cleanliness of the work environment but can also damage the respiratory system of operators. Traditional dust removal methods often suffer from issues such as poor dust removal results and high maintenance costs. Therefore, an efficient and cost-effective dust removal device is needed to address these issues. Utility Model Content
[0003] The purpose of the utility model is to provide a water curtain dust collection device for a grinding and polishing machine, which effectively collects dust generated during the polishing process through the filtering effect of the water curtain, and at the same time realizes centralized treatment and recycling of dust, thereby improving the working environment.
[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0005] The utility model discloses a water curtain dust collecting device for a grinding and polishing machine.
[0006] Including grinding machine dust removal box, atomization device, air suction device and water curtain dust collection device,
[0007] The dust removal box of the grinder is provided with an air flow chamber and a water collection chamber; the front end of the air flow chamber is an opening for the grinding and polishing station, the opening is provided with a nozzle of an atomizing device, the rear end of the air flow chamber is provided with an air suction device, and the water collection chamber is provided at the lower part of the air flow chamber;
[0008] The atomizing device includes an atomizer, an atomizing nozzle, a water suction pipe, an air inlet pipe and a spray water tank. One end of the water suction pipe is connected to the spray water tank through a special water pump, and the other end of the water suction pipe and the air inlet pipe are connected to the atomizer. The outlet of the atomizer is connected to the atomizing nozzle.
[0009] The air suction device includes a water curtain air inlet, a water curtain plate, an air duct, a fan and a filter cartridge;
[0010] The water curtain air inlet is arranged at the rear end of the air flow cavity, a water curtain plate is arranged on the upper part of the water curtain air inlet, a water outlet is arranged above the water connecting plate and connected to a water pump through a water pipe, the water pump is arranged in the water collecting cavity, the water pipe is also connected to the water suction pipe of the atomizing device, the air duct is connected to the water curtain air inlet, the fan impeller cavity and the filter cartridge, and the filter cartridge is arranged on the top of the dust removal box of the grinder.
[0011] According to the water curtain dust collection device for the grinding and polishing machine, the air duct includes chamber No. 1, chamber No. 2, chamber No. 3 and chamber No. 4. The front end of chamber No. 1 is the water curtain air inlet, the upper opening of chamber No. 1 is connected to chamber No. 2, and chamber No. 3 is above chamber No. 2. The impeller of the fan is arranged in chamber No. 3, and a motor is arranged at the upper end of the impeller. Chamber No. 3 passes into chamber No. 4, and a filter cartridge is arranged in chamber No. 4. The upper middle part of the filter cartridge is connected to the atmosphere.
[0012] According to the water curtain dust collection device for the grinding and polishing machine, a seepage hole is provided at the bottom of the No. 4 chamber, which leads into the No. 1 chamber. The lower part of the No. 1 chamber leads into a collecting pipe at the bottom of the water curtain air inlet. A filter mesh bag is provided at the bottom of the collecting pipe and leads into the water collecting chamber.
[0013] According to the water curtain dust collection device used in the grinding and polishing machine, the air flow chamber is divided into two groups, corresponding to the grinding mechanism and the polishing mechanism at the front end respectively. The No. 1 chamber is the corresponding two groups, which are connected to the air flow chamber through the water curtain air inlet. The two air flow chambers are connected to the No. 2 chamber at the upper part in the middle position, and the rear end lower part of the No. 3 chamber is connected to the two No. 4 chambers, and the two No. 4 chambers are respectively provided with the filter cartridges.
[0014] According to the water curtain dust collection device of the grinding and polishing machine, the lower end of the air flow chamber is an inclined water flow trough, the upper end of the water flow trough is in contact with the bottom surface of the inner side of the first chamber, and the water flowing down from the water curtain air inlet of the first chamber is introduced into the water flow trough.
[0015] The characteristics of this utility model are:
[0016] 1. Good dust removal effect: The filtering effect of the water curtain can effectively capture and adhere dust, reducing the dust concentration in the air;
[0017] 2. Low maintenance cost: The water curtain dust collector uses clean water as the filter medium, which does not require frequent replacement of consumables and reduces maintenance costs;
[0018] 3. Environmental protection and energy saving: The water curtain dust collector does not produce secondary pollution during operation and can recycle water resources, which meets the requirements of environmental protection and energy saving. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is the overall structure diagram of the water curtain dust collector Figure 1 ;
[0020] Figure 2 This is the overall structure diagram of the water curtain dust collector Figure 2 ;
[0021] Figure 3 This is a cross-section of the water curtain dust collector Figure 1 ;
[0022] Figure 4 This is a cross-section of the water curtain dust collector Figure 2 ;
[0023] Figure 5 This is a cross-section of the water curtain dust collector Figure 3 .
[0024] Figure numerals: 1. Dust removal box of grinder; 2. Air flow chamber; 3. Water collecting chamber; 4. Atomizer; 5. Atomizing nozzle; 6. Water suction pipe; 7. Air inlet pipe; 8. Spray water tank; 9. Electronic control part; 10. Motor; 11. Impeller; 12. Chamber No. 3; 13. Chamber No. 4; 15. Chamber No. 2; 16. Chamber No. 1; 17. Water curtain plate; 18. Water outlet; 19. Water curtain air inlet; 20. Filter cartridge; 21. Water flow trough; 22. Filter mesh bag; 23. Air outlet; 24. Water pump, 25. Return pipe. DETAILED DESCRIPTION
[0025] The specific structure of the utility model is further described below:
[0026] The utility model comprises a grinding machine dust removal box, an atomizing device, an air suction device and a water curtain dust collection device. The grinding machine dust removal box is arranged behind the grinding and polishing station and is a metal box structure with an air suction device and a water curtain dust collection device arranged inside.
[0027] The dust box of the grinder is equipped with two sets of airflow chambers, one for grinding dust removal and the other for polishing dust removal. The front end of the airflow chamber is the opening for the grinding and polishing station, where the nozzle of the atomizing device is set. The rear end of the airflow chamber is equipped with a suction device, and the water collection chamber is set at the bottom of the airflow chamber.
[0028] The atomizing device includes an atomizer 4, atomizing nozzle 5, a water intake pipe 6, an air inlet pipe 7, and a spray tank 8. One end of the water intake pipe 6 is connected to the high-pressure water source in the spray tank. The other end of the water intake pipe 6 and the air inlet pipe 7 are both connected to the atomizer 4. The outlet of the atomizer 4 is connected to the atomizing nozzle 5 via an adjustable metal pipe. The spray tank supplies water to the water pump in the water collection chamber and is equipped with a dedicated filter device to prevent nozzle clogging. The air inlet pipe 7 is connected to compressed air.
[0029] The air suction device includes a water curtain air inlet, a water curtain plate, an air duct, a fan and a filter cartridge; the water curtain air inlet is arranged at the rear end of the air flow cavity, a water curtain plate is arranged on the upper part of the water curtain air inlet, a water outlet hole is arranged above the water connecting plate, and the water pump is connected to the water pump through a water pipe. The water pump is arranged in the water collecting cavity, and the water pipe is also connected to the water suction pipe of the atomizing device. The air duct connects the water curtain air inlet, the fan impeller cavity and the filter cartridge, and the filter cartridge is arranged on the top of the dust removal box of the grinder.
[0030] The specific air duct includes chamber 16, chamber 2 15, chamber 3 12, and chamber 4 13. The front end of chamber 16 is the water curtain air inlet. The upper opening of chamber 16 connects to chamber 2 15. Above chamber 2 15 is chamber 3 12. The fan impeller is set in chamber 3 12, and the upper end of the impeller is equipped with motor 10. Chamber 3 12 flows into chamber 4 13, and a filter cartridge is set in chamber 4 13. The upper middle part of the filter cartridge is connected to the atmosphere. The lower rear end of chamber 3 12 connects to the two chambers 13, each of which is equipped with the filter cartridge.
[0031] The rear ends of the two airflow chambers are each equipped with a corresponding water curtain inlet, water curtain plate, and chamber 1. The two sets of chambers 1 connect to chamber 2 (15), which is topped by a fan mounted on chamber 3. The centrifugal force of the fan creates a negative pressure cavity between chambers 1 and 2, drawing in dust removal spray at the water curtain inlet. Water flows over the water curtain plate 17, forming a water curtain at the water curtain inlet; the water curtain flows through the inlet, removing some particles from the smoke and dust.
[0032] The bottom of chamber 4 13 is provided with a seepage hole that connects to chamber 1 16. The lower part of chamber 16 is connected to a collection pipe at the bottom of the water curtain air inlet. The bottom of the collection pipe is provided with a filter bag and leads to the water collection chamber. The lower end of the airflow chamber is an inclined water flow trough 21. The upper end of the water flow trough 21 contacts the bottom surface of the inner side of chamber 16. The water flowing down from the water curtain air inlet of chamber 1 is introduced into the water flow trough. The bottom of the water flow trough 21 is connected to the return pipe of the water collection chamber. The filter bag 22 is set at the position of the return pipe of the water collection chamber to filter large particles, and small particles sink to the bottom of the water collection chamber 3. The water collection chamber 3 is cleaned regularly.
[0033] Specifically, the bottom plate of the air flow chamber forms a certain angle with the water flow trough 21 , and the upper end of the water flow trough 21 contacts the bottom surface inside the No. 1 chamber 16 , making it easy to introduce water from the No. 1 chamber 16 into the water flow trough 21 .
[0034] Impeller 11 in the air duct draws dust from chamber 2 (15) into chamber 3 (12), which connects to chamber 4. The dust then passes through a high-efficiency filter, further filtering out small particles. The purified dust is then discharged through the air outlet. Impeller 11 is welded from turbine-style stainless steel and boasts a high suction capacity.
[0035] When the atomizing device 1 is operating, air enters the atomizer 4 through the air inlet pipe 7, and filtered water enters the atomizer 4. Atomized water vapor is sprayed out through the atomizing nozzle 5, which can be rotated. At the front end of the water curtain dust collector, the atomized water vapor envelops and removes the sparks and large particles generated by the grinding process. The resulting smoke and dust floats up and is sucked into the inner cavity of the water curtain dust collector.
[0036] Specifically, the water pump is arranged on the base, one end of the water pump is connected to the water outlet 18, and the other end is connected to the spray head; the dust removal box part of the grinder is welded with stainless steel as a whole, and has beautiful, rust-proof, explosion-proof and other characteristics; the electronic control part 9 is arranged in the chamber on the left.
[0037] This utility model offers excellent dust removal: the water curtain's filtering action effectively captures and traps dust, reducing airborne dust concentration. The water curtain dust collector uses clean water as the filter medium, eliminating the need for frequent consumable replacement and reducing maintenance costs. It also generates no secondary pollution during operation and recycles water, meeting environmental and energy conservation requirements.
Claims
1. A water curtain dust collection device for a grinding and polishing machine, characterized in that: It includes a grinding machine dust removal box (1), an atomizing device, an air suction device and a water curtain dust collection device, The dust removal box of the grinding machine is provided with an air flow chamber (2) and a water collection chamber (3); the front end of the air flow chamber is an opening for the grinding and polishing station, a nozzle of an atomizing device is provided at the opening, a suction device is provided at the rear end of the air flow chamber, and the water collection chamber is provided at the lower part of the air flow chamber; The atomizing device comprises an atomizer (4), an atomizing nozzle (5), a water suction pipe (6), an air inlet pipe (7) and a spray water tank (8), one end of the water suction pipe (6) is connected to the spray water tank (8), the other end of the water suction pipe (6) and the air inlet pipe (7) are both connected to the atomizer (4), and the outlet of the atomizer (4) is connected to the atomizing nozzle (5); The air suction device includes a water curtain air inlet, a water curtain plate, an air duct, a fan and a filter cartridge; The water curtain air inlet is arranged at the rear end of the air flow cavity, a water curtain plate is arranged on the upper part of the water curtain air inlet, a water outlet is arranged above the water connecting plate and connected to a water pump through a water pipe, the water pump is arranged at the rear end of the water collecting cavity, the air duct is connected to the water curtain air inlet, the fan impeller cavity and the filter cartridge, and the filter cartridge is arranged on the top of the dust removal box of the grinder.
2. The water curtain dust collecting device for a grinding and polishing machine according to claim 1 is characterized in that: The air duct comprises a No. 1 chamber (16), a No. 2 chamber (15), a No. 3 chamber (12) and a No. 4 chamber (13). The front end of the No. 1 chamber (16) is the water curtain air inlet. The upper opening of the No. 1 chamber (16) is connected to the No. 2 chamber (15). The No. 3 chamber (12) is located above the No. 2 chamber (15). The impeller of the fan is arranged in the No. 3 chamber (12). The upper end of the impeller is provided with a motor (10). The No. 3 chamber (12) flows into the No. 4 chamber (13). A filter cartridge is provided in the No. 4 chamber (13). The upper middle portion of the filter cartridge is connected to the atmosphere.
3. The water curtain dust collecting device for a grinding and polishing machine according to claim 2 is characterized in that: The bottom of the fourth chamber (13) is provided with a water seepage hole leading to the first chamber (16). The lower part of the first chamber (16) leads to a collection pipe at the bottom of the water curtain air inlet. The bottom of the collection pipe is provided with a filter bag and leads to the water collection chamber.
4. The water curtain dust collecting device for a grinding and polishing machine according to claim 3 is characterized in that: The airflow chamber is divided into two groups, left and right, corresponding to the grinding mechanism and the polishing mechanism at the front end respectively. The No. 1 chamber (16) is the corresponding two groups, which are connected to the airflow chamber through the water curtain air inlet. The two airflow chambers are connected to the No. 2 chamber (15) at the upper part in the middle position, and the rear end of the No. 3 chamber (12) is connected to the two No. 4 chambers (13). The two No. 4 chambers (13) are respectively provided with the filter cartridges.
5. The water curtain dust collecting device for a grinding and polishing machine according to claim 2, characterized in that: The lower end of the airflow cavity is an inclined water flow trough (21), the upper end of the water flow trough (21) contacts the bottom surface of the inner side of the first cavity (16), and the water flowing down from the water curtain air inlet of the first cavity is introduced into the water flow trough.