Pipeline dedusting and filtering device

Abstract

The utility model discloses a pipeline dedusting and filtering device, and belongs to the technical field of filtering devices. The device comprises a filter box and a filter assembly in the filter box, the filter assembly is arranged on a plate-type filter element in the filter box in a drawing and inserting mode, the device comprises a fixing frame arranged in the filter box, and the plate-type filter element is arranged in a clamping groove of the fixing frame in an inserting mode. According to the utility model, the filter box realizes the disassembly and assembly of the plate type filter element in the filter assembly through a first sealing assembly; the first sealing assembly comprises a plastic sleeve and a sealing cover which are attached to the filter box; opening and closing valves are arranged on the communicating pipes on the two sides of the filter box and are used for controlling the on-off of a gas circuit. According to the utility model, the plate-type filter element is convenient to disassemble, assemble and clean.

Description

Technical Field

[0001] The utility model belongs to the technical field of filtering devices, and in particular relates to a pipeline dust removal filtering device. Background Art

[0002] A dust filter for a vacuum pump is a device used to filter dust particles in the air entering the vacuum pump to protect the vacuum pump from contamination and damage. This filter usually includes one or more filters, which can be paper or made of other materials, such as stainless steel mesh.

[0003] The utility model is aimed at the need to apply a vacuum pump to connect thermoplastic forming equipment in the preparation process of plastic particles to form a vacuum or a certain pressure state, thereby promoting the melting and reshaping of plastic particles, improving the quality of the prepared materials, and avoiding the occurrence of holes inside. It is a key procedure in the preparation process of new materials.

[0004] The plate filter elements in the dust filtering devices currently on the market are usually fixed inside the device. Workers need to disassemble the entire device for cleaning, resulting in low work efficiency and time-consuming and labor-intensive work. In addition, the sealing of the device is poor, which can easily cause dust on the plate filter element to enter the connecting pipe during cleaning, causing damage to the internal components. Utility Model Content

[0005] The utility model aims to provide a pipeline dust removal and filtering device, aiming to solve the problem that the plate filter element in the dust filtering device mentioned in the above background technology is usually fixed in the device, the staff needs to disassemble the entire device for cleaning, and the sealing performance of the device is poor.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pipeline dust removal and filtering device comprises a filter box and a filter assembly therein, wherein the filter assembly comprises a plate filter element which is inserted and pulled out of the filter box, a fixing frame is provided inside the filter box, and the plate filter element is arranged through a slot of the fixing frame;

[0008] The filter box realizes the sealing and disassembly of the plate filter element in the filter assembly through the first sealing assembly, and the first sealing assembly includes a plastic sleeve and a sealing cover that are fitted to the filter box;

[0009] The connecting pipes on both sides of the filter box are provided with opening and closing valves for controlling the opening and closing of the gas circuit.

[0010] Furthermore, a first connecting pipe and a second connecting pipe are respectively provided on both sides of the filter box to realize air inlet and outlet, and a first sealing assembly is provided on the upper and lower sides of the filter box.

[0011] Furthermore, the first sealing assembly includes a fixing plate, a plastic sleeve, a sealing cover, a limit frame, a limit plate, a mounting shaft, a connecting plate and screws. The two fixing plates are fixedly mounted on the top and bottom of the filter box, and the plastic sleeve is fixedly mounted on the top of the fixing plate.

[0012] Furthermore, the filter assembly includes a fixed frame, a slot, a filter frame and a plate filter element. The fixed frame is fixedly installed inside the filter box, the slot is opened inside the fixed frame, the filter frame is clamped inside the slot, and the plate filter element is arranged on the inner side of the filter frame.

[0013] In the above scheme, the sealing cover is arranged on the top of the fixed plate, the limiting frame is fixedly installed on the bottom of the sealing cover, the limiting plate is arranged on the inner side of the limiting frame, the mounting axis is arranged in the middle of the fixed plate and the sealing cover, the four connecting plates are fixedly installed on both sides of the fixed plate and the sealing cover, and the screws are arranged inside the connecting plates.

[0014] The opening and closing valve includes a connecting pipe, a protective box, a servo motor, a first rotating shaft, a driving gear, a driven gear, a second rotating shaft, a bearing, a ball, a through groove, a rotating rod, a fixing seat, a hard sealing ring and a soft sealing ring. The two connecting pipes are fixedly installed on the outside of the filter box, the protective box is arranged on the top of the connecting pipe, the servo motor is fixedly installed on the outside of the protective box, the first rotating shaft is fixedly connected to the servo motor, the driving gear is fixedly installed on one end of the first rotating shaft, and the driven gear is meshed and connected to the driving gear.

[0015] The second rotating shaft is fixedly mounted on the bottom of the driven gear and extends to the inside of the connecting pipe, the bearing is arranged on the inner side of the protective box, the sphere is fixedly mounted on the bottom of the second rotating shaft, the through groove is opened inside the sphere, the rotating rod is fixedly mounted on the bottom of the sphere, and the fixing seat is arranged at the bottom of the rotating rod.

[0016] It is further pointed out that the two hard sealing rings are arranged on both sides of the sphere, and the soft sealing ring is arranged on the inner side of the hard sealing ring.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: the setting of the filter assembly in the utility model is to pull the filter frame out of the card slot, which is convenient for the staff to clean or replace the plate filter element and improve the work efficiency; through the setting of the first sealing assembly, by placing the limit plate inside the fixed plate, and by setting the plastic sleeve between the fixed plate and the sealing cover, the sealing of the device can be increased; the connecting plate is fixed by screws to further improve the sealing effect of the device; through the setting of the opening and closing valve, the first rotating shaft and the driving gear are driven to rotate by the servo motor, thereby driving the driven gear and the second rotating shaft to rotate, changing the angle of the through groove in the sphere, preventing dust or moisture from entering the first connecting pipe and the second connecting pipe when cleaning the plate filter element, and reducing the gap between the sphere and the connecting pipe by the hard sealing ring and the soft sealing ring, thereby improving the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 It is a schematic diagram of the filter assembly of the utility model;

[0021] Figure 4 This is a schematic diagram of a first sealing component of the utility model;

[0022] Figure 5 It is a schematic diagram of the opening and closing valve of the utility model.

[0023] In the figure: 1. filter box; 2. filter assembly; 201. fixed frame; 202. slot; 203. filter frame; 204. plate filter element; 3. first sealing assembly; 301. fixed plate; 302. plastic sleeve; 303. sealing cover; 304. limit frame; 305. limit plate; 306. installation shaft; 307. connecting plate; 308. screw; 4. first connecting pipe; 5. second connecting pipe; 6. opening and closing valve; 601. connecting pipe; 602. protection box; 603. servo motor; 604. first rotating shaft; 605. driving gear; 606. driven gear; 607. second rotating shaft; 608. bearing; 609. sphere; 610. through groove; 611. rotating rod; 612. fixing seat; 613. hard sealing ring; 614. soft sealing ring. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] Reference Figure 1-5 This embodiment provides a pipeline dust removal and filtering device, including a filter box 1 and a filter assembly 2, the filter assembly 2 is arranged inside the filter box 1, the filter assembly 2 includes a fixed frame 201, a slot 202, a filter frame 203 and a plate filter element 204, the fixed frame 201 is fixedly installed inside the filter box 1, the slot 202 is opened inside the fixed frame 201, the filter frame 203 is clamped inside the slot 202, and the plate filter element 204 is arranged on the inner side of the filter frame 203.

[0026] Specifically, the top and bottom of the filter box 1 are both provided with a first sealing assembly 3, and the first sealing assembly 3 includes a fixing plate 301, a plastic sleeve 302, a sealing cover 303, a limiting frame 304, a limiting plate 305, a mounting shaft 306, a connecting plate 307 and a screw 308. The two fixing plates 301 are both fixedly installed on the top and bottom of the filter box 1, and the plastic sleeve 302 is fixedly installed on the top of the fixing plate 301.

[0027] Furthermore, by pulling out the filter frame 203 from the card slot 202, it is convenient for the staff to clean or replace the plate filter element 204, thereby improving work efficiency.

[0028] Specifically, the sealing cover 303 is set on the top of the fixed plate 301, the limiting frame 304 is fixedly installed on the bottom of the sealing cover 303, the limiting plate 305 is set on the inner side of the limiting frame 304, the mounting shaft 306 is set in the middle of the fixed plate 301 and the sealing cover 303, the four connecting plates 307 are fixedly installed on both sides of the fixing plate 301 and the sealing cover 303, and the screws 308 are set inside the connecting plates 307.

[0029] Furthermore, by placing the limiting plate 305 inside the fixing plate 301 and setting the plastic sleeve 302 between the fixing plate 301 and the sealing cover 303, the sealing performance of the device can be increased, and the connecting plate 307 can be fixed by screws 308 to further improve the sealing effect of the device.

[0030] Specifically, a first connecting pipe 4 is disposed on the left side of the filter box 1 , a second connecting pipe 5 is disposed on the right side of the filter box 1 , and an opening and closing valve 6 is disposed inside the first connecting pipe 4 and the second connecting pipe 5 .

[0031] Furthermore, by setting the opening and closing valve 6, dust or moisture is prevented from entering the first connecting pipe 4 and the second connecting pipe 5 when cleaning the plate filter element 204.

[0032] Specifically, the opening and closing valve 6 includes a connecting pipe 601, a protective box 602, a servo motor 603, a first rotating shaft 604, a driving gear 605, a driven gear 606, a second rotating shaft 607, a bearing 608, a sphere 609, a through groove 610, a rotating rod 611, a fixing seat 612, a hard sealing ring 613 and a soft sealing ring 614. The two connecting pipes 601 are fixedly installed on the outside of the filter box 1, the protective box 602 is arranged on the top of the connecting pipe 601, the servo motor 603 is fixedly installed on the outside of the protective box 602, the first rotating shaft 604 is fixedly connected to the servo motor 603, the driving gear 605 is fixedly installed at one end of the first rotating shaft 604, and the driven gear 606 is meshed and connected to the driving gear 605.

[0033] Furthermore, the servo motor 603 drives the first rotating shaft 604 and the driving gear 605 to rotate, thereby driving the driven gear 606 and the second rotating shaft 607 to rotate.

[0034] Specifically, the second rotating shaft 607 is fixedly installed at the bottom of the driven gear 606 and extends to the inside of the connecting tube 601, the bearing 608 is arranged on the inner side of the protective box 602, the sphere 609 is fixedly installed at the bottom of the second rotating shaft 607, the through groove 610 is opened inside the sphere 609, the rotating rod 611 is fixedly installed at the bottom of the sphere 609, and the fixed seat 612 is arranged at the bottom of the rotating rod 611.

[0035] Furthermore, by changing the angle of the through slot 610 in the sphere 609 , dust or moisture can be prevented from entering the first connecting pipe 4 and the second connecting pipe 5 when cleaning the plate filter element 204 .

[0036] Specifically, two hard sealing rings 613 are arranged on both sides of the sphere 609 , and the soft sealing ring 614 is arranged on the inner side of the hard sealing ring 613 .

[0037] Furthermore, the hard sealing ring 613 and the soft sealing ring 614 reduce the gap between the ball 609 and the connecting pipe 601, thereby improving the sealing performance.

[0038] When in use, by placing the limit plate 305 inside the fixed plate 301 and setting it between the fixed plate 301 and the sealing cover 303 through the plastic sleeve 302, the sealing performance of the device can be increased, and the connecting plate 307 is fixed by the screw 308 to further improve the sealing effect of the device. If too much dust accumulates on the plate filter element 204, the servo motor 603 drives the first rotating shaft 604 and the driving gear 605 to rotate, thereby driving the driven gear 606 and the second rotating shaft 607 to rotate, changing the angle of the through groove 610 in the sphere 609 to prevent dust or moisture from entering the first connecting pipe 4 and the second connecting pipe 5 when cleaning the plate filter element 204. The hard sealing ring 613 and the soft sealing ring 614 are used to reduce the gap between the sphere 609 and the connecting pipe 601 to improve the sealing performance. The sealing cover 303 is opened, and the filter frame 203 is pulled out of the slot 202, which is convenient for the staff to clean or replace the plate filter element 204 and improve work efficiency.

[0039] In summary: by setting the filter assembly 2, by pulling out the filter frame 203 from the card slot 202, it is convenient for the staff to clean or replace the plate filter element 204, thereby improving work efficiency; by setting the first sealing assembly 3, by placing the limit plate 305 inside the fixed plate 301, and by setting the plastic sleeve 302 between the fixed plate 301 and the sealing cover 303, the sealing performance of the device can be increased; the connecting plate 307 is fixed by the screw 308 to further improve the sealing effect of the device; by setting the opening and closing valve 6, the first rotating shaft 604 and the driving gear 605 are driven to rotate by the servo motor 603, thereby driving the driven gear 606 and the second rotating shaft 607 to rotate, changing the angle of the through groove 610 in the ball 609, preventing dust or moisture from entering the first connecting pipe 4 and the second connecting pipe 5 when cleaning the plate filter element 204, and reducing the gap between the ball 609 and the connecting pipe 601 by the hard sealing ring 613 and the soft sealing ring 614, thereby improving the sealing performance.

Claims

1. A pipeline dust removal and filtering device, comprising a filter box (1) and a filter assembly (2) therein, characterized in that: The filter assembly (2) comprises a plate filter element (204) which is arranged in a plug-in manner inside the filter box (1); a fixing frame (201) is arranged inside the filter box (1); and the plate filter element (204) is installed through a slot (202) of the fixing frame (201); The filter box (1) achieves sealing and assembly and disassembly of the plate filter element (204) in the filter assembly through a first sealing assembly (3), and the first sealing assembly (3) comprises a plastic sleeve (302) and a sealing cover (303) which are arranged in close contact with the filter box (1); The connecting pipes on both sides of the filter box (1) are provided with opening and closing valves (6) for controlling the opening and closing of the gas path.

2. The pipeline dust removal and filtering device according to claim 1 is characterized in that: The filter box (1) is provided with a first connecting pipe (4) and a second connecting pipe (5) on both sides to realize air inlet and outlet, and the filter box (1) is provided with a first sealing assembly (3) on the upper and lower sides.

3. The pipeline dust removal and filtering device according to claim 2 is characterized in that: The first sealing assembly (3) comprises a fixing plate (301), a plastic sleeve (302), a sealing cover (303), a limiting frame (304), a limiting plate (305), a mounting shaft (306), a connecting plate (307) and a screw (308), wherein the two fixing plates (301) are fixedly mounted on the top and bottom of the filter box (1), and the plastic sleeve (302) is fixedly mounted on the top of the fixing plate (301).

4. The pipeline dust removal and filtering device according to claim 1, characterized in that: The filter assembly (2) comprises a fixing frame (201), a slot (202), a filter frame (203) and a plate filter element (204); the fixing frame (201) is fixedly mounted inside the filter box (1); the slot (202) is provided inside the fixing frame (201); the filter frame (203) is locked inside the slot (202); and the plate filter element (204) is arranged on the inner side of the filter frame (203).

5. The pipeline dust removal and filtering device according to claim 3, characterized in that: The sealing cover (303) is arranged on the top of the fixing plate (301), the limiting frame (304) is fixedly installed on the bottom of the sealing cover (303), the limiting plate (305) is arranged on the inner side of the limiting frame (304), the mounting shaft (306) is arranged in the middle of the fixing plate (301) and the sealing cover (303), the four connecting plates (307) are fixedly installed on both sides of the fixing plate (301) and the sealing cover (303), and the screws (308) are arranged inside the connecting plates (307).

6. The pipeline dust removal and filtering device according to claim 1, characterized in that: The opening and closing valve (6) comprises a connecting pipe (601), a protective box (602), a servo motor (603), a first rotating shaft (604), a driving gear (605), a driven gear (606), a second rotating shaft (607), a bearing (608), a sphere (609), a through groove (610), a rotating rod (611), a fixing seat (612), a hard sealing ring (613) and a soft sealing ring (614). The two connecting pipes (601) are fixedly mounted on the outside of the filter box (1), the protective box (602) is arranged on the top of the connecting pipe (601), the servo motor (603) is fixedly mounted on the outside of the protective box (602), the first rotating shaft (604) is fixedly connected to the servo motor (603), the driving gear (605) is fixedly mounted on one end of the first rotating shaft (604), and the driven gear (606) is meshedly connected to the driving gear (605).

7. The pipeline dust removal and filtering device according to claim 6, characterized in that: The second rotating shaft (607) is fixedly mounted on the bottom of the driven gear (606) and extends to the inside of the connecting tube (601), the bearing (608) is arranged on the inner side of the protective box (602), the sphere (609) is fixedly mounted on the bottom of the second rotating shaft (607), the through groove (610) is opened inside the sphere (609), the rotating rod (611) is fixedly mounted on the bottom of the sphere (609), and the fixed seat (612) is arranged at the bottom of the rotating rod (611).

8. The pipeline dust removal and filtering device according to claim 6, characterized in that: The two hard sealing rings (613) are both arranged on both sides of the sphere (609), and the soft sealing ring (614) is arranged on the inner side of the hard sealing ring (613).

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