Anti-static dust removal filter bag

Abstract

The utility model relates to the technical field of dust collector filter bags, and discloses an anti-static dust collection filter bag which comprises a fiber filter bag, an installation ring is arranged at the top end of the fiber filter bag, a pressing ring is arranged at the top end of the installation ring, a supporting ring is arranged at the bottom end of the installation ring, and a protective cover is arranged at the top end of the supporting ring. A plurality of rotating shafts are arranged in the protective cover, limiting blocks for limiting the pressing ring are arranged at the top ends of the rotating shafts, chain wheels are arranged at the tops of the rotating shafts, and a chain for driving the chain wheels is arranged in the protective cover; a mounting ring of a fiber filter bag can be supported through a supporting ring, the bottom end of the mounting ring can be limited, one rotating shaft can be driven through a driving assembly, under the transmission action of a chain wheel and a chain, the multiple rotating shafts can be driven to rotate synchronously, the horizontal direction of a limiting block can be adjusted, and the pressing ring can be limited by rotating the limiting block to the top end of the pressing ring; and looseness can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust collector filter bag technical field, concretely is a kind of anti-static dust filter bag. BACKGROUND

[0002] Anti-static dust filter bag is made of anti-static dacron needle felt, which is made by incorporating conductive fiber yarn into warp yarn of base cloth for needle punching felt or mixing conductive fiber into chemical fiber, etc. It has excellent anti-static performance and is used in industries such as flour dust, chemical dust and coal dust that may explode when static electricity is discharged. It is the most ideal choice for explosion-proof dust collection.

[0003] The application number "202223060357.8" discloses a filter bag body, a support ring is arranged on the upper side of the filter bag body, the bottom of the filter bag body is sealed, and the upper end is open, the upper end opening of the filter bag body is sleeved into the support ring from the inner side, then the flange is folded and the support ring is covered, the bottom of the support ring is fixedly connected with a fixed block, the fixed block is fixedly connected with a vertical plate, and a screw rod is screwed on the vertical plate. The upper end opening of the filter bag body is sleeved into the support ring from the inner side, then the flange is folded and the support ring is covered, then the arc-shaped pressing plate is moved by rotating the screw rod, the filter bag body is preliminarily fixed, and the fastening ring is sleeved by force. In the process of sleeving the fastening ring, the rubber layer extrudes the filter bag body, so as to achieve the effect of stable fixation. The installation and disassembly of the filter bag body are convenient, and the staff can replace it conveniently.

[0004] However, the above-mentioned method still has the following defects: the filter bag body can be fixed by the arc-shaped pressing plate, but the upper end opening of the filter bag body needs to be sleeved into the support ring from the inner side, then the flange is folded and the support ring is covered, then the arc-shaped pressing plate is moved by rotating the screw rod, the filter bag body is preliminarily fixed, and the fastening ring is sleeved by force. The operation is complicated, consumes a lot of manpower and time, and it is difficult to support the inside of the filter bag body. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an anti-static dust filter bag, which has the advantages of simple installation process, saving manpower and time, and solves the problems raised in the above background technology.

[0006] The utility model provides following technical scheme: A kind of anti-static dust filter bag, including fiber filter bag, the top of the fiber filter bag is equipped with mounting ring, the top of the mounting ring is equipped with compression ring, the bottom of the mounting ring is equipped with support ring, the top of the support ring is equipped with protective cover, the inside of the protective cover is equipped with several rotating shafts, the top of the rotating shaft is equipped with the limiting block for limiting compression ring, the top of the rotating shaft is equipped with sprocket, the inside of the protective cover is equipped with the chain for the transmission of sprocket, the inside of the protective cover is equipped with the drive assembly for the drive of sprocket, the middle part of the compression ring is equipped with vertical rod, the vertical rod is connected with several support rings one, the bottom of the vertical rod is equipped with the tensioning assembly of tensioning fiber filter bag.

[0007] As a preferred technical scheme of the utility model, the top of the protective cover is fixedly provided with a protective cover through a screw, the inner wall of the protective cover is provided with a plurality of slides, and the limiting block is slidably connected with the slides.

[0008] As a preferred technical scheme of the utility model, the drive assembly is a worm, one end of the worm is provided with a round rod, one end of the round rod is provided with a knob, the middle part of one side of the knob is provided with a hexagonal groove, the worm is connected with a worm wheel in meshing mode, and the worm wheel is fixedly connected with the bottom of one of the rotating shafts.

[0009] As a preferred technical scheme of the utility model, the two ends of the worm are provided with supports, one side of the support is provided with a bearing for supporting the worm, and the support is fixedly connected with the inside of the protective cover.

[0010] As a preferred technical scheme of the utility model, the top of the vertical rod is welded with a support rod, the support rod is welded with the middle part of the compression ring, the surface of the vertical rod is welded with a plurality of connecting rods, and one end of the connecting rod is welded with the support ring one.

[0011] As a preferred technical scheme of the utility model, the tensioning assembly comprises a connecting disc and a support ring two, the top of the connecting disc is welded with the bottom of the vertical rod, the bottom of the connecting disc is provided with a backing plate, a plurality of springs are arranged between the backing plate and the connecting disc, the backing plate is welded with a plurality of horizontal rods, and one end of the horizontal rod is welded with the support ring two.

[0012] As a preferred technical scheme of the utility model, the top of the backing plate is welded with a plurality of guide columns, the spring is sleeved on the surface of the guide column, the surface of the connecting disc is provided with a plurality of column grooves, and the guide column is slidably connected with the column groove.

[0013] As a preferred technical scheme of the utility model, the top of the connecting disc is provided with a plurality of baffle pieces, the bottom of the baffle piece is fixedly connected with the top of the guide column, and the diameter of the baffle piece is greater than the diameter of the column groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1、 Through the support ring can support the installation ring of fiber filter bag, through the drive assembly can drive one of the rotating shaft, under the transmission of sprocket and chain, can drive several rotating shafts synchronous rotation, can adjust the horizontal direction of limit block, through the limit block is rotated to the top of compression ring, can limit the compression ring, can prevent its loosening, fiber filter bag is not easy to fall off, convenient installation and disassembly, simple operation, saves manpower and time.

[0016] 2、 When placing the compression ring, the support ring one can be installed synchronously, the support ring one can support the inside of fiber filter bag, can prevent the inside of fiber filter bag from collapsing, the tensioning assembly can tension fiber filter bag, can make filter bag in the straightened state, fiber filter bag is not easy to wrinkle, can keep the ventilation volume. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the structure schematic drawing of the utility model;

[0018] Fig. 2 It is the sectional structure schematic drawing of the utility model;

[0019] Fig. 3 It is the explosion structure schematic drawing of the utility model;

[0020] Fig. 4 It is the structure schematic drawing of the inside of the protective cover of the utility model;

[0021] Fig. 5 It is the structure schematic drawing of the drive assembly of the utility model;

[0022] Fig. 6 It is the explosion structure schematic drawing of the tensioning assembly of the utility model.

[0023] In the drawing: 1, fiber filter bag;2, installation ring;3, compression ring;4, support ring;5, protective cover;6, protective cover;7, slide;8, rotating shaft;9, limit block;10, sprocket;11, chain;12, drive assembly;1201, worm;1202, round bar;1203, support;1204, knob;1205, hexagonal groove;1206, worm wheel;13, support rod;14, vertical rod;15, support ring one;16, connecting rod;17, tensioning assembly;1701, connecting disc;1702, column groove;1703, guide column;1704, spring;1705, baffle;1706, backing plate;1707, cross bar;1708, support ring two. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] Please refer to Figs. 1-6 The anti-static dust removal filter bag comprises a fiber filter bag 1, the top end of the fiber filter bag 1 is provided with a mounting ring 2, the mounting ring 2 is fixedly connected with the top end of the fiber filter bag 1, the top end of the mounting ring 2 is overlapped with a pressing ring 3, the bottom end of the mounting ring 2 is overlapped with a supporting ring 4, a bolt hole is formed in the surface of the supporting ring 4, the mounting ring 2 of the fiber filter bag 1 can be supported by the supporting ring 4, and the bottom end of the mounting ring 2 can be limited in position; the top end of the supporting ring 4 is provided with a protective cover 5, the bottom end of the protective cover 5 is welded with the top end of the supporting ring 4, a plurality of rotating shafts 8 are arranged in the protective cover 5, the bottom end of the rotating shaft 8 is rotatably connected with the inside of the protective cover 5 through a bearing, the top end of the rotating shaft 8 is provided with a limiting block 9 for limiting the pressing ring 3, the bottom end of the limiting block 9 is welded with the top end of the rotating shaft 8, the top of the rotating shaft 8 is provided with a chain wheel 10, the inside of the protective cover 5 is provided with a chain 11 for transmitting the chain wheel 10, the inside of the protective cover 5 is provided with a driving assembly 12 for driving the chain wheel 10, one of the rotating shafts 8 is driven by the driving assembly 12, and the plurality of rotating shafts 8 can be driven to rotate synchronously under the transmission of the chain wheel 10 and the chain 11, the horizontal direction of the limiting block 9 can be adjusted, the limiting block 9 can be rotated to the top end of the pressing ring 3, the pressing ring 3 can be limited in position, the pressing ring 3 can be prevented from loosening, and the fiber filter bag 1 can be prevented from falling off; the middle part of the pressing ring 3 is provided with a vertical rod 14, the vertical rod 14 is connected with a plurality of supporting rings 15, the bottom end of the vertical rod 14 is provided with a tensioning assembly 17 for tensioning the fiber filter bag 1, the fiber filter bag 1 can be tensioned by the tensioning assembly 17, the filter bag can be in a straightened state and is not prone to wrinkling, and the ventilation capacity can be maintained;

[0026] In the embodiment, preferably, the driving assembly 12 is a worm 1201, one end of the worm 1201 is provided with a round rod 1202, one end of the round rod 1202 is provided with a knob 1204, a hexagonal groove 1205 is formed in the middle of one side of the knob 1204, the worm 1201 is meshingly connected with a worm wheel 1206, the worm wheel 1206 is fixedly connected with the bottom of one of the rotating shafts 8, the two ends of the worm 1201 are provided with supports 1203, one side of the support 1203 is provided with a bearing for supporting the worm 1201, the support 1203 is fixedly connected with the inside of the protective cover 5, the worm 1201 can be supported by the support 1203, the worm 1201 can be rotated by the knob 1204 and the hexagonal groove 1205, and the worm 1201 can drive one of the rotating shafts 8 to rotate through the worm wheel 1206;

[0027] In the embodiment, preferably, the tensioning assembly 17 comprises a connecting disc 1701 and a support ring 1708, the top end of the connecting disc 1701 is welded with the bottom end of the stand 14, the bottom end of the connecting disc 1701 is provided with a pad plate 1706, a plurality of springs 1704 are arranged between the pad plate 1706 and the connecting disc 1701, the pad plate 1706 is welded with a plurality of cross bars 1707, one end of the cross bar 1707 is welded with the support ring 1708, the top end of the pad plate 1706 is welded with a plurality of guide columns 1703, the spring 1704 is sleeved on the surface of the guide column 1703, a plurality of column grooves 1702 are arranged on the surface of the connecting disc 1701, the guide column 1703 is in sliding connection with the column groove 1702, a plurality of stop flaps 1705 are arranged on the top end of the connecting disc 1701, the bottom end of the stop flap 1705 is fixedly connected with the top end of the guide column 1703, the diameter of the stop flap 1705 is larger than the diameter of the column groove 1702, the guide column 1703 is limited by the stop flap 1705, the spring 1704 can support the connecting disc 1701 and the pad plate 1706, and the support ring 1708 can be attached to the bottom end of the fiber filter bag 1, and the fiber filter bag 1 can be straightened;

[0028] In the embodiment, preferably, the top end of the protective cover 5 is fixedly installed with a protective cover 6 through a screw, a plurality of slideways 7 are arranged on the inner wall of the protective cover 5, the limiting block 9 is in sliding connection with the slideway 7, the horizontal rotation of the limiting block 9 can be ensured through the slideway 7, and the limiting block 9 will not be interfered, the top end of the stand 14 is welded with a support rod 13, the support rod 13 is welded with the middle part of the compression ring 3, a plurality of connecting rods 16 are welded on the surface of the stand 14, one end of the connecting rod 16 is welded with the support ring 1708, and the support ring 1708 and the stand 14 can be supported through the connecting rod 16.

[0029] In use, first, the supporting ring 4 is fixed on the air vent of the dust collector, then the fiber filter bag 1 is placed into the supporting ring 4, the supporting ring 4 can support the mounting ring 2 of the fiber filter bag 1, the bottom end of the mounting ring 2 is limited, then the tensioning assembly 17 and the support ring 1708 are placed into the fiber filter bag 1, the tensioning assembly 17 and the support ring 1708 can support the inside of the fiber filter bag 1, and the compression ring 3 can compress the mounting ring 2, after being placed, the knob 1204 and the hexagonal groove 1205 of the driving assembly 12 are used to rotate the worm 1201, the worm 1201 can drive one of the rotating shafts 8 to rotate through the worm gear 1206, under the transmission of the sprocket 10 and the chain 11, a plurality of rotating shafts 8 can be driven to rotate synchronously, the horizontal direction of the limiting block 9 can be adjusted, after the limiting block 9 is rotated to the top end of the compression ring 3, the limiting block 9 can limit the compression ring 3, and the fiber filter bag 1 is not easy to fall off;

[0030] The pressure is applied to the supporting rod 13 in the process of rotating the worm 1201, so that the height of the pressing ring 3 is lower than the height of the limiting block 9, the spring 1704 of the tensioning assembly 17 can be compressed, and the normal rotation of the limiting block 9 can be ensured; the spring 1704 is compressed to support between the connecting disc 1701 and the backing plate 1706, and the pressure can be transmitted to the bottom end of the fiber filter bag 1 through the backing plate 1706 and the supporting ring two 1708; the supporting ring two 1708 can be attached to the bottom end of the fiber filter bag 1, and can play a role in straightening the fiber filter bag 1; the fiber filter bag 1 is not easy to wrinkle, can maintain the ventilation volume, can filter the dust in the airflow, and the fiber filter bag 1 can play a role in preventing static electricity through the conductive fiber inside the fiber filter bag 1.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An anti-static dust removal filter bag, comprising a fiber filter bag (1), characterized in that: The top of the fiber filter bag (1) is provided with a mounting ring (2), the top of the mounting ring (2) is provided with a pressure ring (3), the bottom of the mounting ring (2) is provided with a support ring (4), the top of the support ring (4) is provided with a protective cover (5), a plurality of rotating shafts (8) are provided inside the protective cover (5), a limit block (9) for limiting the pressure ring (3) is provided at the top of the rotating shaft (8), a sprocket (10) is provided at the top of the rotating shaft (8), a chain (11) for transmitting the sprocket (10) is provided inside the protective cover (5), a driving component (12) for driving the sprocket (10) is provided inside the protective cover (5), a vertical rod (14) is provided in the middle of the pressure ring (3), the vertical rod (14) is connected to a plurality of support rings (15), and a tensioning component (17) for tensioning the fiber filter bag (1) is provided at the bottom of the vertical rod (14).

2. The anti-static dust removal filter bag according to claim 1, characterized in that: A protective cover (6) is fixedly mounted on the top of the protective cover (5) by screws. A plurality of slideways (7) are provided on the inner wall of the protective cover (5). The limit blocks (9) are slidably connected to the slideways (7).

3. The anti-static dust removal filter bag according to claim 1, characterized in that: The driving assembly (12) comprises a worm (1201), one end of which is provided with a round rod (1202), one end of which is provided with a knob (1204), a hexagonal slot (1205) being provided in the middle of one side of the knob (1204), the worm (1201) being meshedly connected with a worm wheel (1206), and the worm wheel (1206) being fixedly connected to the bottom of one of the rotating shafts (8).

4. The anti-static dust removal filter bag according to claim 3, characterized in that: Supports (1203) are provided at both ends of the worm (1201), a bearing for supporting the worm (1201) is provided on one side of the support (1203), and the support (1203) is fixedly connected to the interior of the protective cover (5).

5. The anti-static dust removal filter bag according to claim 1, characterized in that: A support rod (13) is welded to the top of the vertical rod (14), and the support rod (13) is welded to the middle of the pressure ring (3). A plurality of connecting rods (16) are welded to the surface of the vertical rod (14), and one end of the connecting rod (16) is welded to the support ring (15).

6. The anti-static dust removal filter bag according to claim 1, characterized in that: The tensioning assembly (17) includes a connecting plate (1701) and a second supporting ring (1708). The top end of the connecting plate (1701) is welded to the bottom end of the vertical rod (14). The bottom end of the connecting plate (1701) is provided with a pad (1706). A plurality of springs (1704) are provided between the pad (1706) and the connecting plate (1701). The pad (1706) is welded with a plurality of cross bars (1707). One end of the cross bar (1707) is welded to the second supporting ring (1708).

7. The anti-static dust removal filter bag according to claim 6, characterized in that: A plurality of guide pillars (1703) are welded to the top of the pad (1706), the spring (1704) is sleeved on the surface of the guide pillar (1703), and a plurality of column grooves (1702) are opened on the surface of the connecting disk (1701), and the guide pillars (1703) are slidably connected to the column grooves (1702).

8. The anti-static dust removal filter bag according to claim 7, characterized in that: The top of the connecting disk (1701) is provided with a plurality of baffles (1705), the bottom ends of the baffles (1705) are fixedly connected to the top ends of the guide pillars (1703), and the diameter of the baffles (1705) is larger than the diameter of the pillar slots (1702).

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