Environment-friendly purifying and filtering equipment for treating metal processing dust

By designing an alternating blocking filter chamber structure in the purification and filtration equipment, the problem of needing to stop the machine to replace the filter element in the welding fume purifier has been solved, enabling the filter element to be replaced without stopping the machine and ensuring the continuous operation of metal processing.

CN223474664UActive Publication Date: 2025-10-28SHANGHAI HUHAN IND ENGINEERING CO LTD
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Patent Information

Application Number
CN202423002732.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-10-28
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing welding fume purifiers require shutdown when replacing or cleaning filter elements, causing interruptions in metal processing and affecting production efficiency.

Method used

An environmentally friendly purification and filtration device was designed, consisting of an exhaust box, a diversion frame, a filter box, and a top cover. The filter box contains two sets of filter chambers, each with a filter element. The filter chambers are alternately blocked by a shielding structure and a driving structure, allowing the other filter chamber to continue working while the filter element in one filter chamber is being replaced.

Benefits of technology

This enables filter element replacement without stopping the machine, ensuring uninterrupted metal processing and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses environment-friendly purifying and filtering equipment for treating metal processing dust, relates to the technical field of purifying equipment, aims to solve the technical problem that a filter element of an existing welding fume purifier is inconvenient to replace or clean without stopping, and comprises an equipment main body. The filtering device is composed of the air draft box body, the flow dividing frame, the filtering box body and the top cover, the filtering box body is internally provided with the two filtering cavities, each filtering cavity is internally provided with the filtering element, and when the filtering device is normally used, the shielding structure is located in the left-side separation cavity of the flow dividing frame, so that the left-side filtering cavity in the filtering box body can be blocked; and when a filter element in the filter cavity needs to be replaced, the shielding structure can be moved into the right partition cavity to block the right filter cavity, at the moment, the left filter cavity is smooth, and normal operation of equipment is kept.
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Description

Technical Field

[0001] This utility model relates to the field of purification equipment technology, and more specifically, to an environmentally friendly purification and filtration device for treating metal processing dust. Background Technology

[0002] In the metal processing industry, processes such as cutting, grinding, and welding generate a large amount of fine and complex metal dust. To prevent the metal dust from escaping and being inhaled by personnel, purification and filtration equipment is usually installed in the processing area to purify and filter the metal dust generated during the metal processing process, i.e., welding fume purifiers.

[0003] Existing welding fume purifiers typically have a single filtration chamber. To ensure the filtration effect, the filter element inside the chamber needs to be removed and replaced or cleaned periodically, requiring the equipment to be shut down. During this time, the equipment loses its filtration effect on metal dust, which then escapes. To avoid this, metal processing is also stopped during equipment shutdown, which can significantly impact metal processing. Therefore, we propose an environmentally friendly purification and filtration device for treating metal processing dust. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide an environmentally friendly purification and filtration device for treating metal processing dust, so as to solve the technical problem that the filter element of the current welding fume purifier is not convenient to replace or clean without stopping the machine.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an environmentally friendly purification and filtration device for treating metal processing dust, comprising a main body of the device, a dust suction hose arranged on the top of the main body of the device, a dust suction hood arranged at one end of the dust suction hose, the main body of the device including an exhaust box, a diversion frame arranged on the top of the exhaust box, a filter box arranged on the top of the diversion frame, a diversion frame arranged on the top of the filter box, a top cover arranged on the top of the diversion frame of the filter box, ventilation holes arranged on the top of the exhaust box, the top and bottom of the filter box and the top of the top cover, and the interior of the diversion frame being divided into two sets of symmetrical cavities by a partition, with a shielding structure arranged inside one set of cavities;

[0006] The vent is circular, and the shielding structure includes a driving structure and a baffle. The baffle is semi-circular and located inside the corresponding vent.

[0007] This utility model consists of an exhaust box, a diversion frame, a filter box, and a top cover. The filter box contains two sets of filter chambers, each equipped with a filter element. During normal use, the blocking structure is located inside the left-side partition of the diversion frame, effectively sealing the left-side filter chamber. Airflow then passes through the right-side filter chamber to filter and purify metal dust. When the filter element needs replacement, the blocking structure can be moved to the right-side partition, sealing the right-side filter chamber. This leaves the left-side filter chamber unobstructed, ensuring normal equipment operation. Personnel can then directly open the right-side filter chamber to replace the filter element, thus enabling continuous operation of the equipment without shutting down the machine. This allows for continuous and uninterrupted metal processing. The ventilation holes of this invention are circular, and the shielding structure consists of a drive structure and baffles, which are also semi-circular. When the shielding structure is in operation, the operator can control the extension and retraction of the electric hydraulic push rod, which will drive the rack to move back and forth. Then, with the cooperation of the rack and the tooth groove, the rotating shaft can be driven to rotate back and forth. That is, the rotating shaft can drive the two sets of semi-circular baffles to perform reciprocating circular motion in the corresponding circular ventilation holes, thereby realizing the alternating left and right changes of the position of the semi-circular baffles in the circular ventilation holes. Therefore, it can conveniently achieve the alternating sealing effect of the left and right filter chambers in the filter box, further improving the convenience of replacing the filter elements in the left and right filter chambers without stopping the machine.

[0008] Preferably, an exhaust fan is arranged at the top of the exhaust box, air outlets are arranged on both sides of the exhaust box, and a first cover plate is arranged on the front side of the exhaust box.

[0009] Preferably, the filter housing is divided into two sets of filter chambers, each with a filter element movably inserted inside, and each filter chamber has a second cover plate arranged on its outer side.

[0010] Preferably, a connecting cover is provided on the top of the top cover, and the connecting cover is connected to the vacuum hose.

[0011] Preferably, a rectangular groove is provided on one side of the partition, and the driving structure includes an electro-hydraulic push rod, a rack and a rotating shaft. The rotating shaft is rotatably arranged on the partition and passes through the rectangular groove. The rotating shaft has toothed grooves arranged around its circumference in the rectangular groove. The rack is slidably arranged in the rectangular groove and meshes with the toothed grooves. The electro-hydraulic push rod is arranged inside the rectangular groove, and the piston end of the electro-hydraulic push rod is connected to the rack.

[0012] Preferably, a T-shaped groove is provided at both the bottom and top of the rectangular groove, and a T-shaped slider is slidably arranged inside the T-shaped groove. The T-shaped slider is connected to the rack.

[0013] Preferably, the rotating shaft passes through the top and bottom of the partition and is connected to the center of the baffle.

[0014] Preferably, the inner wall of the vent hole is provided with a groove, and the baffle is located inside the groove.

[0015] Preferably, protrusions are arranged on opposite sides of the two sets of baffles on the rotating shaft, the protrusions are in contact with the partition, a first sealing strip is arranged around the baffle, a second sealing strip is arranged on both sides of the top of the protrusion, and a third sealing strip is arranged at both ends of the protrusion.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This utility model consists of an exhaust box, a diversion frame, a filter box, and a top cover. The filter box contains two sets of filter chambers, each with a filter element. During normal use, the shielding structure is located inside the left-side partition of the diversion frame, effectively blocking the left-side filter chamber. Airflow then passes through the right-side filter chamber to filter and purify the metal dust. When the filter element needs replacement, the shielding structure can be moved to the right-side partition, blocking the right-side filter chamber. This leaves the left-side filter chamber unobstructed, ensuring normal equipment operation. Personnel can then directly open the right-side filter chamber to replace the filter element. This allows for continuous filter element replacement within the equipment without shutting down the machine, enabling uninterrupted metal processing. This solves the technical problem of current welding fume purifiers, which make it difficult to replace or clean filter elements without shutting down the machine. Therefore, this utility model has the advantage of allowing for continuous filter element replacement within the equipment.

[0018] 2. The vent hole of this utility model is circular, and the shielding structure is composed of a drive structure and a baffle, which is also semi-circular. Therefore, when the shielding structure is working, the operator can control the extension and retraction of the electric hydraulic push rod, which will drive the rack to move back and forth. Then, with the cooperation of the rack and the tooth groove, the rotating shaft can be driven to rotate back and forth. That is, the rotating shaft can drive the two sets of semi-circular baffles to perform reciprocating circular motion in the corresponding circular vent hole, thereby realizing the alternating left and right position change of the semi-circular baffles in the circular vent hole. Therefore, it can conveniently realize the alternating sealing effect of the left and right filter chambers in the filter box, and further improve the convenience of replacing the filter elements in the left and right filter chambers without stopping the machine. Attached Figure Description

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the exploded structure of the main body of the device according to this utility model;

[0021] Figure 3 This is a schematic diagram of the diversion frame structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the diversion frame of this utility model;

[0023] Figure 5 For the utility model Figure 4 Enlarged view of point A in the middle;

[0024] Figure 6 This is a schematic diagram of the baffle structure of this utility model;

[0025] Figure 7 This is a schematic diagram of the cross-sectional structure of the baffle and vent hole of this utility model.

[0026] Description of the numbers in the figure:

[0027] 1. Exhaust box; 101. Exhaust fan; 102. Air outlet; 103. First cover plate; 2. Diverter frame; 201. Partition plate; 202. Chamber; 203. Rectangular groove; 204. T-shaped slide rail; 205. T-shaped slider; 3. Filter box; 301. Filter chamber; 302. Filter element; 303. Second cover plate; 4. Top cover; 401. Connecting cover; 5. Vent hole; 501. Groove; 6. Drive structure; 601. Electro-hydraulic push rod; 602. Rack; 603. Rotating shaft; 604. Gear groove; 7. Baffle; 701. Protrusion; 702. First sealing strip; 703. Second sealing strip; 704. Third sealing strip; 8. Shielding structure; 9. Equipment body; 10. Dust suction hose; 1001. Dust suction hood. Detailed Implementation

[0028] like Figures 1 to 7 As shown, this utility model relates to an environmentally friendly purification and filtration device for treating metal processing dust, including a main body 9, a suction hose 10 arranged on the top of the main body 9, a suction hood 1001 arranged at one end of the suction hose 10, an exhaust box 1, a diversion frame 2 arranged on the top of the exhaust box 1, a filter box 3 arranged on the top of the diversion frame 2, a diversion frame 2 arranged on the top of the filter box 3, and a top cover 4 arranged on the top of the diversion frame 2 on the top of the filter box 3. The top of the exhaust box 1, the top of the filter box 3, and the bottom... Ventilation holes 5 are arranged on the top of the section and top cover 4. The interior of the diversion frame 2 is divided into two symmetrical cavities 202 by a partition 201. A shielding structure 8 is arranged inside one of the cavities 202. An exhaust fan 101 is arranged on the top of the exhaust box 1. Air outlets 102 are arranged on both sides of the exhaust box 1. A first cover plate 103 is arranged on the front side of the exhaust box 1. The interior of the filter box 3 is divided into two filter cavities 301. A filter element 302 is movably inserted into each filter cavity 301. A second cover plate 303 is arranged on the outside of each filter cavity 301.

[0029] When the device is in normal use, the shielding structure 8 is located inside the left side cavity 202 of the diversion frame 2, which can block the left side filter cavity 301 inside the filter box 3. At this time, the exhaust fan 101 is controlled to work, and then the dust suction hood 1001 absorbs the metal dust. Then the metal dust airflow flows through the right side filter cavity 301, and the filter element 302 in the right side filter cavity 301 filters and purifies the metal dust.

[0030] When it is necessary to replace the filter element 302 inside the right filter chamber 301, the shielding structure 8 can be moved into the right partition chamber 202 to block the right filter chamber 301. At this time, the left filter chamber 301 is unobstructed, keeping the equipment running normally. Then, personnel can directly open the second cover plate 303 of the right filter chamber 301 to replace and clean the filter element 302 inside the right filter chamber 301. This allows for the replacement of the filter element 302 in the main body of the equipment 9 without stopping the machine, thus enabling continuous processing of metal.

[0031] Specifically, a connecting cover 401 is arranged on the top of the top cover 4. The connecting cover 401 is connected to the vacuum hose 10. The connecting cover 401 facilitates the connection between the vent 5 of the diversion frame 2 on the top of the filter box 3 and the vacuum hose 10.

[0032] In this embodiment of the utility model, the vent 5 is circular, the shielding structure 8 includes a drive structure 6 and a baffle 7, the baffle 7 is semi-circular and located within the corresponding vent 5; a rectangular groove 203 is provided on one side of the partition 201, the drive structure 6 includes an electro-hydraulic push rod 601, a rack 602 and a rotating shaft 603, the rotating shaft 603 is rotatably arranged on the partition 201 and passes through the rectangular groove 203, the rotating shaft 603 has a toothed groove 604 arranged around its circumference in the rectangular groove 203, the rack 602 is slidably arranged in the rectangular groove 203 and meshes with the toothed groove 604, the electro-hydraulic push rod 601 is arranged inside the rectangular groove 203, and the piston end of the electro-hydraulic push rod 601 is connected to the rack 602; the rotating shaft 603 passes through the top and bottom ends of the partition 201 and is connected to the center of the baffle 7;

[0033] When the shielding structure 8 is working, the operator can control the extension and retraction of the electric hydraulic push rod 601. This will drive the rack 602 to move back and forth. Then, with the cooperation of the rack 602 and the tooth groove 604, the rotating shaft 603 can be driven to rotate back and forth. That is, the rotating shaft 603 can drive the two sets of semi-circular baffles 7 to move back and forth in the corresponding circular vent holes 5, thereby realizing the alternating left and right position of the semi-circular baffles 7 in the circular vent holes 5. Therefore, it can conveniently realize the alternating sealing effect of the left and right filter chambers 301 in the filter box 3, and further improve the convenience of replacing the filter element 302 in the left and right filter chambers 301 without stopping the machine.

[0034] Specifically, T-shaped grooves 204 are provided at both the bottom and top of the rectangular groove 203. T-shaped sliders 205 are slidably arranged inside the T-shaped grooves 204. The T-shaped sliders 205 are connected to the rack 602. With the cooperation of the T-shaped grooves 204 and the T-shaped sliders 205, the rack 602 can be slidably installed.

[0035] Furthermore, a groove 501 is provided on the inner wall of the vent 5, and a baffle 7 is located in the groove 501. The baffle 7 can rotate stably within the vent 5.

[0036] Furthermore, protrusions 701 are arranged on opposite sides of the two sets of baffles 7 on the rotating shaft 603. The protrusions 701 contact the partition 201. A first sealing strip 702 is arranged around the baffle 7. A second sealing strip 703 is arranged on both sides of the top of the protrusion 701. A third sealing strip 704 is arranged at both ends of the protrusion 701. With the cooperation of the protrusions 701, the first sealing strip 702, the second sealing strip 703 and the third sealing strip 704, the baffle 7 ensures the sealing effect on the left and right vent holes 5.

[0037] Working principle: This embodiment provides an environmentally friendly purification and filtration device for treating metal processing dust. First, when the device is in normal use, the shielding structure 8 is located inside the left side cavity 202 of the diversion frame 2, which can block the left side filter cavity 301 inside the filter box 3. At this time, the exhaust fan 101 is controlled to work, and then the dust suction hood 1001 absorbs the metal dust. Then the metal dust airflow flows through the right side filter cavity 301, and the filter element 302 in the right side filter cavity 301 filters and purifies the metal dust.

[0038] Secondly, when it is necessary to replace the filter element 302 inside the right filter chamber 301, the shielding structure 8 can be moved into the right partition chamber 202 to block the right filter chamber 301. At this time, the left filter chamber 301 is unobstructed, keeping the equipment running normally. Then, personnel can directly open the second cover plate 303 of the right filter chamber 301 to replace and clean the filter element 302 inside the right filter chamber 301. This allows for the replacement of the filter element 302 in the main body of the equipment 9 without stopping the machine, thus enabling continuous processing of metal.

[0039] Finally, when the shielding structure 8 is working, the operator can control the extension and retraction of the electric hydraulic push rod 601. At this time, the rack 602 will move back and forth. Then, with the cooperation of the rack 602 and the tooth groove 604, the rotating shaft 603 can be driven to rotate back and forth. That is, the rotating shaft 603 can drive the two sets of semi-circular baffles 7 to move back and forth in the corresponding circular vent holes 5, thereby realizing the alternating left and right position of the semi-circular baffles 7 in the circular vent holes 5. Therefore, it can conveniently realize the alternating sealing effect of the left and right filter chambers 301 in the filter box 3, and further improve the convenience of replacing the filter element 302 in the left and right filter chambers 301 without stopping the machine.

[0040] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.

Claims

1. An environmentally friendly purification and filtration device for treating metal processing dust, characterized in that, The device includes a main body (9), a vacuum hose (10) is arranged on the top of the main body (9), a vacuum hood (1001) is arranged at one end of the vacuum hose (10), the main body (9) includes an exhaust box (1), a diversion frame (2) is arranged on the top of the exhaust box (1), a filter box (3) is arranged on the top of the diversion frame (2), a diversion frame (2) is arranged on the top of the filter box (3), a top cover (4) is arranged on the top of the diversion frame (2) of the filter box (3), ventilation holes (5) are arranged on the top of the exhaust box (1), the top and bottom of the filter box (3) and the top of the top cover (4), and the diversion frame (2) is divided into two symmetrical cavities (202) by a partition (201), and a shielding structure (8) is arranged inside one of the cavities (202). The ventilation hole (5) is circular, and the shielding structure (8) includes a driving structure (6) and a baffle (7). The baffle (7) is semi-circular and located inside the corresponding ventilation hole (5).

2. The environmentally friendly purification and filtration equipment for treating metal processing dust according to claim 1, characterized in that, The exhaust box (1) is equipped with an exhaust fan (101) at the top, and air outlets (102) are arranged on both sides of the exhaust box (1). A first cover plate (103) is arranged on the front side of the exhaust box (1).

3. The environmentally friendly purification and filtration equipment for treating metal processing dust according to claim 1, characterized in that, The filter box (3) is divided into two filter chambers (301). A filter element (302) is movably inserted into each filter chamber (301). A second cover plate (303) is arranged on the outside of each filter chamber (301).

4. The environmentally friendly purification and filtration equipment for treating metal processing dust according to claim 1, characterized in that, The top cover (4) is provided with a connecting cover (401), which is connected to the vacuum hose (10).

5. The environmentally friendly purification and filtration equipment for treating metal processing dust according to claim 1, characterized in that, A rectangular groove (203) is provided on one side of the partition (201). The drive structure (6) includes an electric hydraulic push rod (601), a rack (602), and a rotating shaft (603). The rotating shaft (603) is rotatably arranged on the partition (201) and passes through the rectangular groove (203). The rotating shaft (603) has a toothed groove (604) arranged around the rectangular groove (203). The rack (602) is slidably arranged in the rectangular groove (203) and meshes with the toothed groove (604). The electric hydraulic push rod (601) is arranged inside the rectangular groove (203), and the piston end of the electric hydraulic push rod (601) is connected to the rack (602).

6. The environmentally friendly purification and filtration equipment for treating metal processing dust according to claim 5, characterized in that, The rectangular groove (203) has T-shaped grooves (204) at both the bottom and top. T-shaped sliders (205) are slidably arranged inside the T-shaped grooves (204) and are connected to the rack (602).

7. An environmentally friendly purification and filtration device for treating metal processing dust according to claim 5, characterized in that, The rotating shaft (603) passes through the top and bottom of the partition (201) and is connected to the center of the baffle (7).

8. An environmentally friendly purification and filtration device for treating metal processing dust according to claim 1, characterized in that, The ventilation hole (5) has a groove (501) on its inner wall, and the baffle (7) is located inside the groove (501).

9. An environmentally friendly purification and filtration device for treating metal processing dust according to claim 7, characterized in that, On the rotating shaft (603), protrusions (701) are arranged on opposite sides of the two sets of baffles (7). The protrusions (701) are in contact with the partition (201). A first sealing strip (702) is arranged around the baffle (7). A second sealing strip (703) is arranged on both sides of the top of the protrusion (701). A third sealing strip (704) is arranged at both ends of the protrusion (701).