CN109224656B - Bag-type dust collector - Google Patents
Bag-type dust collector Download PDFInfo
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- CN109224656B CN109224656B CN201811026533.1A CN201811026533A CN109224656B CN 109224656 B CN109224656 B CN 109224656B CN 201811026533 A CN201811026533 A CN 201811026533A CN 109224656 B CN109224656 B CN 109224656B
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- plate
- flat plate
- gear
- filter bag
- bag
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- 239000000428 dust Substances 0.000 title claims abstract description 86
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 10
- 230000001960 triggered effect Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 239000004744 fabric Substances 0.000 claims 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a bag-type dust collector, which effectively solves the problems that dust stuck on a filter bag cannot be cleaned in time and is difficult to clean; the dust collector comprises a dust collecting device, a filter bag tensioning device, a filter bag cleaning device, a filter bag tensioning device, a dust collecting device, a filter bag tensioning device and a dust collecting device.
Description
Technical Field
The invention relates to the field of dust removal, in particular to a bag-type dust remover.
Background
The bag-type dust collector is suitable for collecting fine, dry and non-fibrous dust, when dust-containing gas enters the bag-type dust collector, the dust with large particles and large specific gravity settles the dust hopper under the action of gravity, and when the gas containing the fine dust passes through the filter bag, the dust is blocked, so that the gas is purified, the dust collection efficiency of the bag-type dust collector is generally over 99 percent, and the bag-type dust collector is insensitive to the characteristics of the dust, so the bag-type dust collector is widely applied in industry.
The resistance of the dust collector is correspondingly increased along with the accumulation of dust on the surface of the filter bag, when the pressure difference between two sides of the filter bag is large, some fine dust particles attached to the filter bag are extruded, so that the efficiency of the dust collector is reduced, and the dust collector needs to clean dust in time on the filter bag.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the bag-type dust collector which effectively solves the problems that the dust stuck on the filter bag cannot be cleaned in time and is difficult to clean.
The technical scheme for solving the problems comprises an upper box body and a lower box body, wherein the upper box body comprises a filter bag tightening device, a filter bag cleaning device and a gas outlet, and the lower box body comprises a gas inlet and a dust collecting device;
the filter bag tightening and loosening device comprises a horizontal flat plate, a plurality of filter bags which are arranged at intervals and are fixed at the lower end ports are uniformly distributed on the flat plate, the upper end ports of the filter bags are fixedly connected with the flat plate and are communicated with the outside, a pair of electromagnets which attract in opposite directions are respectively arranged on the left side and the right side of the upper end surface of the flat plate, a first rotating shaft which is horizontally arranged in the left-right direction and actively rotates is arranged above the flat plate, a first gear is arranged on the first rotating shaft, a rack which can reciprocate back and forth and is fixedly connected with the flat plate is arranged on the rear side of the first gear, the rack gradually moves backwards to be disengaged from the first gear, the flat plate moves upwards under; the rack moves forwards and is gradually meshed with the first gear, so that the rack drives the flat plate to move downwards, and the attraction of the two pairs of electromagnets is overcome, and the filter bag is loosened;
the filter bag cleaning device comprises a plurality of hairbrushes, a fixing plate, two sliding blocks and two reciprocating lead screws, wherein a hairbrush is sleeved outside each filter bag, the hairbrushes are connected into a whole through the fixing plate and are arranged below the flat plate, the left end and the right end of the fixing plate are respectively fixedly connected with one sliding block, the two sliding blocks are respectively sleeved on the two reciprocating lead screws, and the reciprocating lead screws rotate to drive the hairbrushes on the fixing plate to reciprocate up and down to clean the filter bags;
when the dust collecting device collects quantitative dust, the filter bag tightening device and the filter bag cleaning device are triggered to simultaneously start to work, at the moment, the first rotating shaft starts to rotate, the two pairs of electromagnets start to be electrified, the first gear is not meshed with the rack, the flat plate moves upwards to the stroke highest point under the action of the two pairs of electromagnets, the rack is driven by the reciprocating mechanism to gradually get away from the first gear and gradually get close to the first gear, the fixed plate starts to reciprocate from the stroke highest point under the drive of the reciprocating lead screw, when the rack starts to be meshed with the first gear and drives the flat plate to move downwards to the stroke lowest point, the fixed plate reaches the position near the stroke highest point, and the up-down reciprocating motion of the fixed plate is the same as.
The dust collector is novel in concept, ingenious in structure and high in practicability, the filter bag is cleaned by triggering the accumulated dust amount, the filter bag is in a tensioning state in the process of cleaning the filter bag by the hairbrush, so that dust particles on the outer side of the filter bag can be cleaned more easily by the hairbrush, part of dust attached to the filter bag can be shaken off by the filter bag from loosening to tensioning quickly, and the normal work of the dust collector is not influenced in the cleaning process.
Drawings
FIG. 1 is a front sectional view of the present invention.
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention.
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention.
FIG. 4 is an enlarged left side view of the area C in FIG. 1 according to the present invention.
FIG. 5 is a transmission relationship diagram of the gear transmission mechanism above the plate shown in FIG. 1 according to the present invention.
FIG. 6 is a view showing the operation of the reciprocating mechanism of the present invention.
Fig. 7 is a three-dimensional view of the gear transmission mechanism of the present invention.
Fig. 8 is a three-dimensional view of a part of the gear transmission mechanism of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from fig. 1 to 8, the present invention comprises an upper box 1 and a lower box 2, wherein the upper box 1 comprises a filter bag tightening device, a filter bag cleaning device and a gas outlet, and the lower box 2 comprises a gas inlet and a dust collecting device;
the filter bag tightening and loosening device comprises a horizontal flat plate 3, a plurality of filter bags 4 which are arranged at intervals and are fixedly arranged at the lower end openings of the flat plate 3 are uniformly distributed, the upper end openings of the filter bags 4 are fixedly connected with the flat plate 3 and are communicated with the outside, a pair of electromagnets 5 which attract in opposite directions are respectively arranged at the left side and the right side of the upper end surface of the flat plate 3, a first rotating shaft 6 which is horizontally arranged in the left-right direction and rotates actively is arranged above the flat plate 3, a first gear 7 is arranged on the first rotating shaft 6, a rack 8 which can reciprocate back and forth and is fixedly connected with the flat plate 3 is arranged at the rear side of the first gear 7, the rack 8 moves backwards and is gradually disengaged from the first gear 7, the flat plate 3 moves upwards under the action of the two pairs of electromagnets 5, the filter bags 4 are tightened, the rack 8 moves forwards and is gradually engaged with the first gear 7 to, the filter bag 4 is loosened;
the filter bag cleaning device comprises a plurality of hairbrushes 9, a fixing plate 10, two sliding blocks 11 and two reciprocating lead screws 12, wherein one hairbrush 9 is sleeved outside each filter bag 4, the hairbrushes 9 are connected into a whole through the fixing plate 10 and are arranged below the flat plate 3, the left end and the right end of the fixing plate 10 are respectively fixedly connected with one sliding block 11, the two sliding blocks 11 are respectively sleeved on the two reciprocating lead screws 12, and the reciprocating lead screws 12 rotate to drive the hairbrushes 9 on the fixing plate 10 to reciprocate up and down to clean the filter bags 4;
when the dust collecting device collects quantitative dust, the filter bag tightening device and the filter bag cleaning device are triggered to simultaneously start to work, at the moment, the first rotating shaft 6 starts to rotate, the two pairs of electromagnets 5 start to be electrified, the first gear 7 is not meshed with the rack 8, the flat plate 3 moves upwards to the highest point of the stroke under the action of the two pairs of electromagnets 5, the rack 8 is driven by the reciprocating mechanism to gradually get away from the first gear 7 and then gradually get close to the first gear 7, the fixed plate 10 is driven by the reciprocating lead screw 12 to start reciprocating motion from the highest point of the stroke, when the rack 8 starts to be meshed with the first gear 7, the rack 8 drives the flat plate 3 to move downwards to the lowest point of the stroke, the fixed plate 10 reaches the position near the highest point of the stroke, and the vertical reciprocating motion.
In order to fix the lower end ports of the filter bags 4, a horizontal porous plate 13 is arranged below the flat plate 3, the lower end port of each filter bag 4 is fixed on the porous plate 13, and the lower end ports of the filter bags 4 are not communicated with the outside.
In order to realize the triggering of the dust collecting device on the filter bag tightening device and the filter bag cleaning device, a funnel 14 which is big at top and small at bottom and lacks a left side wall surface is arranged below the porous plate 13, a first baffle 15 which can swing rightwards is hinged on the left side of the funnel 14, a permanent magnet 16 is fixedly connected with the lower end of the left side surface of the first baffle 15, a second baffle 17 which can swing downwards is hinged on the lower end of the right side wall surface of the funnel 14, a plurality of first pressure springs 18 are arranged between the second baffle 17 and the funnel 14, one end of each first pressure spring 18 is fixedly connected with the lower end surface of the second baffle 17, the other end of each first pressure spring is fixedly connected with the right side wall surface of the funnel 14, a trigger switch 19 is arranged below the second baffle 17, the second baffle 17 swings downwards, the filter bag tightening device and the filter bag cleaning device are triggered by the trigger, the circumference equipartition has four metal sheets 21 that can inhale mutually with permanent magnet 16 on the 20 outer fringe faces of second pivot, one in two adjacent metal sheets 21 is connected with first baffle 15, another is connected with second baffle 17, a first spout has been seted up to every metal sheet 21 inside, be equipped with in every first spout can slide and the round bar 22 that the horizontal fore-and-aft direction was placed in it, when the metal sheet 21 that constitutes 14 bottom surfaces of funnel received decurrent effort, metal sheet 21 clockwise rotation promotes first baffle 15 and swings right and second baffle 17 downswing, the slip of round bar 22 and permanent magnet 16's appeal make second pivot 20 rotate 90 smoothly.
In order to realize the back-and-forth reciprocating motion of the rack 8, the reciprocating mechanism comprises a rectangular frame 23 which is vertically placed, the front inner wall surface and the back inner wall surface of the rectangular frame 23 are respectively provided with a second sliding groove, a vertical plate 24 is arranged in the two second sliding grooves, the vertical plate 24 can slide up and down in the rectangular frame 23 through the second sliding grooves, a runway-shaped annular groove 25 is arranged on the vertical plate 24, a row of uniformly distributed cylinders 26 are fixed on the vertical plate 24 which is surrounded by the annular groove 25, a grooved pulley 27 is meshed with the cylinders 26, the annular groove 25 slides relative to the central shaft of the grooved pulley 27, the grooved pulley 27 rotates to drive the rectangular frame 23 to reciprocate back and forth, the front end surface of the rectangular frame 23 is connected with a first sliding rod 28, the back end surface of the rack 8 is provided with a third sliding groove, the first sliding rod 28 can slide up and, the rectangular frame 23 is provided at a rear side thereof with a first bracket 30 fixedly connected to the top surface of the upper case 1, and the second slide bar 29 penetrates the first bracket 30 and can slide back and forth inside the first bracket 30.
In order to time the cleaning process, a hall sensor 31 is provided on the toothed rack 8.
In order to realize that the filter bag tightening device and the filter bag cleaning device start to work simultaneously, the rack 8 is connected with the flat plate 3 through the second support 32, the flat plate 3 is provided with a fourth chute, the second support 32 can slide back and forth in the fourth chute without departing from the fourth chute, the right side of the first gear 7 is provided with an incomplete gear 33 coaxially mounted with the incomplete gear, the rear side of the incomplete gear 33 is meshed with a second gear 34, the second gear 34 is coaxially mounted with the sheave 27, the left side and the right side of the first rotating shaft 6 are respectively provided with a first bevel gear 35, each first bevel gear 35 is meshed with a second bevel gear 36, and the two second bevel gears 36 are respectively sleeved on the reciprocating lead screws 12 on the corresponding sides.
In order to overcome the rotating force applied when the fixing plate 10 reciprocates up and down, the front and rear wall surfaces of the upper case 1 are respectively provided with a rail, and the fixing plate 10 can slide on the two rails.
In order to fix the electromagnets 5, a first support plate 37 is respectively arranged on the left side and the right side above the flat plate 3, and the electromagnet 5 positioned above in each pair of electromagnets 5 is fixedly connected with the first support plate 37 on the corresponding side, and the other one is fixedly connected with the corresponding side of the flat plate 3.
In order to support the flat plate 3, a plurality of horizontal second support plates 38 are arranged below the flat plate 3, a plurality of third pressure springs 39 are arranged between each second support plate 38 and the flat plate 3, one end of each third pressure spring 39 is fixedly connected with the second support plate 38, and the other end of each third pressure spring 39 is fixedly connected with the flat plate 3.
In order to realize the back blowing of the filter bags 4, a fan 40 is arranged on the outer side of the upper box body 1, a ventilating duct 41 is arranged above the flat plate 3, the fan 40 blows high-speed airflow into each filter bag 4 through the ventilating duct 41, and dust clamped in the pores of the filter bags 4 is blown out of the filter bags 4 by compressed air.
The specific working process of the invention is as follows: the fixing plate 10 is at the highest point of the stroke in the initial state, the flat plate 3 is at the lowest point of the stroke, the filter bag 4 is in a loose state at the moment, the rack 8 and the first gear 7 are in a state of being just completely disengaged, dust gas enters the dust collector through a gas inlet below the porous plate 13, dust with larger mass in the gas falls into the dust collecting device under the action of gravity, dust with smaller mass reaches a filter chamber formed by the flat plate 3, the filter bag 4 and the porous plate 13 along with the gas through the porous plate 13, the dust gas entering the filter chamber is filtered by the filter bag 4 and then stays at the outer side of the filter bag 4, and the filtered clean gas enters a gas purifying chamber formed by the flat plate 3 and a box body above the flat plate 3 through the flat plate 3 and then is discharged through a gas.
The left end of the first rotating shaft 6 is connected with a stepping motor, the stepping motor receives a control signal through a motor controller, the fan 40 receives the control signal through a fan controller, when the weight of dust accumulated in the dust collecting device is enough to push the metal plate 21 at the lower end of the sealing funnel 14 to rotate clockwise, the clockwise rotation of the metal plate 21 enables the first baffle 15 to swing rightwards and the second baffle 17 to swing downwards, the second baffle 17 swings downwards and transmits the control signal to the motor controller and the fan controller through the trigger switch 19, the motor controller and the fan controller control the stepping motor and the fan 40 to be started simultaneously, meanwhile, the electromagnet 5 starts to be powered on and has magnetism, the flat plate 3 moves upwards to the highest stroke point under the action of two opposite attraction electromagnets 5, the filter bag 4 is in a tensioning state, and the fan 40 blows high-speed air into the filter bag 4 through the fan pipeline 41, the stepping motor drives the first rotating shaft 6 to rotate, the first rotating shaft 6 rotates to drive the first gear 7, the incomplete gear 33 and the two first bevel gears 35 on the first rotating shaft to rotate simultaneously, the rotation of the incomplete gear 33 drives the second gear 34 to rotate intermittently, because the second gear 34 is coaxially arranged with the grooved wheel 27 in the reciprocating mechanism, the intermittent rotation of the second gear 34 drives the grooved wheel 27 to rotate intermittently, because the grooved wheel 27 is meshed with the cylinder 26 on the vertical plate 24, the grooved wheel 27 rotates to enable the rectangular frame 23 to move from front to back and then from back to front, the rectangular frame 23 drives the rack 8 to gradually get away from the first gear 7 and then gradually get close to the first gear 7, the two first bevel gears 35 rotate to respectively drive the corresponding second bevel gears 36 to rotate, because the second bevel gears 36 are arranged on the reciprocating screw 12, the second bevel gears 36 rotate to drive the reciprocating screw 12 to rotate, two spiral grooves with the same pitch and opposite rotation directions are formed in the reciprocating screw rod 12, the two corresponding ends of the two spiral grooves are connected through a transition curve, and the fixed plate 10 and the brush 9 on the fixed plate move from top to bottom and then move from bottom to top through rotation of the reciprocating screw rod 12.
When the rack 8 is gradually engaged with the first gear 7, the engagement of the rack 8 and the first gear 7 can overcome the attraction of two pairs of electromagnets 5, so that the rack 8 drives the flat plate 3 to move downwards to the lowest point of the stroke, because the up-and-down reciprocating motion of the fixed plate 10 is the same as the time period of the back-and-forth reciprocating motion of the rack 8, when the flat plate 3 moves downwards to the lowest point of the stroke, the fixed plate 10 reaches the highest point of the stroke, meanwhile, the reciprocating mechanism drives the rack 8 and the first gear 7 to be completely disengaged, at the moment, the initial state is recovered to complete a working cycle, the hall sensor 31 on the second gear 34 transmits the acquired signal to the motor controller and the fan controller every time the working cycle is completed, after the set working cycle times are completed, the motor controller and the fan controller control the stepping motor and the fan 40 to stop working at the same time, and the electromagnets 5, the flat plate 3 falls back to the initial state under the action of gravity and the pull force of the second pressure spring.
The transmission relationship of the gear transmission mechanism above the flat plate is as follows: the step motor drives I clockwise rotation, and I clockwise rotation drives II, III clockwise rotation, and III clockwise rotation drives IV counter-clockwise rotation, and IV counter-clockwise rotation drives V counter-clockwise rotation, and V counter-clockwise rotation drives VI counter-clockwise rotation, and VI counter-clockwise rotation drives VII, VIII reciprocating motion, is driven downstream by II when VIII reciprocating motion in-process and II meshing.
When the metal plate 21 forming the bottom surface of the funnel 14 is rotated clockwise, the round bar 22 inside the metal plate 21 slides downward, a downward force is applied to the metal plate 21, and the magnet on the left side of the first shutter 15 attracts the metal plate 21 to be engaged with the first shutter 15, so that the second rotary shaft 20 can be smoothly rotated by 90 ° by the two forces.
When the weight of the accumulated dust in the dust collecting device is enough to push the metal plate 21 at the lower end of the sealing funnel 14 to rotate clockwise, the dust in the dust collecting device falls into the lower box body 2 in the rotating process of the metal plate 21, the lower end surface of the right side wall surface of the lower box body 2 is provided with a dust cleaning port, and the dust in the dust remover is cleaned out through the dust cleaning port.
This dust remover compares traditional sack cleaner's benefit and lies in:
1. when the first gear 7 is disengaged from the rack 8, the flat plate 3 moves upwards to the highest point of the stroke under the action of the electromagnet 5, the filter bag 4 is in a tensioned state, when the filter bag 4 is in the tensioned state, the hairbrush 9 cleans dust on the outer side of the filter bag 4 conveniently, the fixed plate 10 drives the hairbrush 9 to clean the filter bag 4 from top to bottom and then from bottom to top, when the rack 8 is driven by the reciprocating mechanism to start to be engaged with the first gear 7, the first gear 7 drives the rack 8 to move downwards, at the moment, the flat plate 3 is driven by the rack 8 to overcome the acting force of the electromagnet 5 to move downwards to the lowest point of the stroke, the filter bag 4 gradually relaxes from tensioning, when the flat plate 3 reaches the lowest point of the stroke, the fixed plate 10 reaches the highest point of the stroke, at the rack 8 is completely disengaged from the first gear 7, the flat plate 3 moves upwards again to, the filter bag 4 changes from a relaxed state to a tensioned state.
2. The filter bag 4 can shake off part of dust attached to the filter bag 4 in the process of instantly changing from a loose state to a tensioned state, and in addition, the dust clamped in the pores of the filter bag 4 can be blown out of the filter bag 4 by the back blowing of the compressed air to the filter bag 4.
3. The normal work of dust remover is not influenced at the in-process of automatically cleaning to this dust remover.
The dust collector is novel in concept, ingenious in structure and high in practicability, the filter bag is cleaned by triggering the accumulated dust amount, the filter bag is in a tensioning state in the process of cleaning the filter bag by the hairbrush, so that dust particles on the outer side of the filter bag can be cleaned more easily by the hairbrush, part of dust attached to the filter bag can be shaken off by the filter bag from the moment when the filter bag is loosened to the tensioning state, and the normal work of the dust collector is not influenced in the cleaning process.
Claims (10)
1. A bag-type dust collector comprises an upper box body (1) and a lower box body (2), wherein the upper box body (1) comprises a filter bag tightening device, a filter bag cleaning device and a gas outlet, the lower box body (2) comprises a gas inlet and a dust collecting device, and the bag-type dust collector is characterized in that the filter bag tightening device comprises a horizontal flat plate (3), a plurality of filter bags (4) which are arranged at intervals and are fixedly arranged at the lower end openings are uniformly distributed on the flat plate (3), the upper end openings of the filter bags (4) are fixedly connected with the flat plate (3) and are communicated with the outside, a pair of electromagnets (5) which attract each other in opposite directions are respectively arranged at the left side and the right side of the upper end surface of the flat plate (3), a first rotating shaft (6) which is horizontally arranged in the left-right direction and actively rotates is arranged above the flat plate (3), a first gear (7) is arranged on the first rotating shaft (6), a rack (8) which, the rack (8) moves backwards and is gradually disengaged from the first gear (7), the flat plate (3) moves upwards under the action of the two pairs of electromagnets (5), the filter bag (4) is tensioned, and the rack (8) moves forwards and is gradually engaged with the first gear (7) to enable the rack (8) to drive the flat plate (3) to move downwards, so that the attraction of the two pairs of electromagnets (5) is overcome, and the filter bag (4) is loosened;
the filter bag cleaning device comprises a plurality of hairbrushes (9), a fixing plate (10), two sliding blocks (11) and two reciprocating lead screws (12), wherein one hairbrush (9) is sleeved on the outer side of each filter bag (4), the hairbrushes (9) are connected into a whole through the fixing plate (10) and are arranged below the flat plate (3), the sliding blocks (11) are fixedly connected to the left end and the right end of the fixing plate (10), the two sliding blocks (11) are respectively sleeved on the two reciprocating lead screws (12), and the reciprocating lead screws (12) rotate to drive the hairbrushes (9) on the fixing plate (10) to reciprocate up and down to clean the filter bags (4);
when the dust collecting device collects quantitative dust, the filter bag tightening device and the filter bag cleaning device are triggered to simultaneously start to work, at the moment, the first rotating shaft (6) starts to rotate, the two pairs of electromagnets (5) start to be electrified, the first gear (7) is not meshed with the rack (8), the flat plate (3) moves upwards to the highest point of the stroke under the action of the two pairs of electromagnets (5), the rack (8) is driven by the reciprocating mechanism to gradually get away from the first gear (7) and then gradually get close to the first gear (7), and the fixed plate (10) is driven by the reciprocating screw rod (12) to start to reciprocate from the highest point of the stroke, when the rack (8) is engaged with the first gear (7) and the rack (8) drives the flat plate (3) to move downwards to the lowest point of the stroke, the fixed plate (10) reaches the position near the highest point of the stroke, and the time period of the up-and-down reciprocating motion of the fixed plate (10) is the same as the time period of the back-and-forth reciprocating motion of the rack (8).
2. The bag-type dust collector according to claim 1, wherein a horizontal perforated plate (13) is arranged below the flat plate (3), the lower port of each filter bag (4) is fixed on the perforated plate (13), and the lower port of the filter bag (4) is not communicated with the outside.
3. The cloth bag dust collector of claim 2, wherein a funnel (14) with a large upper part and a small lower part and lacking a left side wall surface is arranged below the porous plate (13), a first baffle plate (15) capable of swinging rightwards is hinged on the left side of the funnel (14), a permanent magnet (16) is fixedly connected with the lower end of the left end surface of the first baffle plate (15), a second baffle plate (17) capable of swinging downwards is hinged on the lower end of the right side wall surface of the funnel (14), a plurality of first pressure springs (18) are arranged between the second baffle plate (17) and the funnel (14), one end of each of the plurality of first pressure springs (18) is fixedly connected with the lower end surface of the second baffle plate (17), the other end of each first pressure spring is fixedly connected with the right side wall surface of the funnel (14), a trigger switch (19) is arranged below the second baffle plate (17), the second baffle plate (17) swings downwards to trigger a filter bag tightening device and, funnel (14) below is equipped with second pivot (20) that a horizontal fore-and-aft direction was placed, circumference equipartition has four metal sheet (21) that can inhale mutually with permanent magnet (16) on the second pivot (20) outer fringe face, one is connected with first baffle (15) in two adjacent metal sheet (21), another is connected with second baffle (17), a first spout has been seted up to every metal sheet (21) inside, be equipped with in every first spout and can slide and the round stick (22) that the horizontal fore-and-aft direction was placed in it, when metal sheet (21) that constitute funnel (14) bottom surface received decurrent effort, metal sheet (21) clockwise rotation promotes first baffle (15) and swings downwards with second baffle (17), the slip of round stick (22) and the appeal of permanent magnet (16) make second pivot (20) can rotate 90 smoothly.
4. The bag-type dust collector according to claim 1, wherein the reciprocating mechanism comprises a vertically placed rectangular frame (23), the front and rear inner walls of the rectangular frame (23) are respectively provided with a second chute, a vertical plate (24) is arranged in the two second chutes, the vertical plate (24) can slide up and down in the rectangular frame (23) through the second chutes, the vertical plate (24) is provided with a runway-shaped annular groove (25), a row of uniformly distributed cylinders (26) are fixed on the vertical plate (24) surrounded by the annular groove (25), the cylinders (26) are meshed with a grooved pulley (27), the annular groove (25) slides relative to the central shaft of the grooved pulley (27), the grooved pulley (27) rotates to drive the rectangular frame (23) to reciprocate back and forth, the front end face of the rectangular frame (23) is connected with a first sliding rod (28), the rear end face of the rack (8) is provided with a third chute, the first sliding rod (28) can slide up and down in the third sliding groove and does not depart from the third sliding groove, the rear end face of the rectangular frame (23) is connected with a second sliding rod (29), the rear side of the rectangular frame (23) is provided with a first support (30) fixedly connected with the top face of the upper box body (1), and the second sliding rod (29) penetrates through the first support (30) and can slide back and forth in the first support (30).
5. Bag-type dust collector according to claim 1, characterized in that the rack (8) is provided with a hall sensor (31).
6. The bag-type dust collector according to claim 4, wherein the rack (8) is connected with the flat plate (3) through a second support (32), the flat plate (3) is provided with a fourth chute, the second support (32) can slide back and forth in the fourth chute without departing from the fourth chute, the right side of the first gear (7) is provided with an incomplete gear (33) coaxially mounted with the first gear, the rear side of the incomplete gear (33) is engaged with a second gear (34), the second gear (34) and the sheave (27) are coaxially mounted, the left side and the right side of the first rotating shaft (6) are respectively provided with a first bevel gear (35), each first bevel gear (35) is engaged with a second bevel gear (36), and the two second bevel gears (36) are respectively sleeved on the reciprocating lead screws (12) on the corresponding sides.
7. The bag-type dust collector according to claim 1, wherein the front and rear wall surfaces of the upper box body (1) are respectively provided with a rail, and the fixing plate (10) can slide on the two rails.
8. The bag-type dust collector according to claim 1, wherein a first support plate (37) is respectively arranged at the left side and the right side above the flat plate (3), the electromagnet (5) positioned above each pair of electromagnets (5) is fixedly connected with the first support plate (37) at the corresponding side, and the other one is fixedly connected with the corresponding side of the flat plate (3).
9. The bag-type dust collector according to claim 1, wherein a plurality of horizontal second support plates (38) are arranged below the flat plate (3), a plurality of third compression springs (39) are arranged between each second support plate (38) and the flat plate (3), one end of each third compression spring (39) is fixedly connected with the corresponding second support plate (38), and the other end of each third compression spring is fixedly connected with the corresponding flat plate (3).
10. The cloth bag dust collector of claim 1, wherein a fan (40) is arranged outside the upper box body (1), a ventilating duct (41) is arranged above the flat plate (3), the fan (40) blows high-speed airflow into each filter bag (4) through the ventilating duct (41), and dust stuck in the pores of the filter bags (4) is blown out of the filter bags (4) by compressed air.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811026533.1A CN109224656B (en) | 2018-09-04 | 2018-09-04 | Bag-type dust collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811026533.1A CN109224656B (en) | 2018-09-04 | 2018-09-04 | Bag-type dust collector |
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| CN109224656A CN109224656A (en) | 2019-01-18 |
| CN109224656B true CN109224656B (en) | 2021-01-26 |
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| CN201811026533.1A Expired - Fee Related CN109224656B (en) | 2018-09-04 | 2018-09-04 | Bag-type dust collector |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109751884B (en) * | 2019-01-26 | 2020-07-28 | 福建省德化县新顺机械有限公司 | Waste heat utilization device of ceramic kiln |
| CN110302605B (en) * | 2019-07-03 | 2022-07-01 | 曹杰 | Fly ash treatment bag-type dust collector |
| CN110253686A (en) * | 2019-07-29 | 2019-09-20 | 阜阳市卓创科技服务生产力促进中心 | A kind of wood material cutting dust removing equipment |
| CN110812966B (en) * | 2019-11-29 | 2021-07-27 | 苏占云 | Bag-type dust collector ash removal device |
| CN110812965B (en) * | 2019-11-29 | 2021-07-02 | 河南鑫安利职业健康科技有限公司 | Workshop dust recovery device |
| CN112044355B (en) * | 2020-08-25 | 2022-07-12 | 北京春风一方制药有限公司 | Spray drying tower for medicine |
| CN113463230A (en) * | 2021-08-04 | 2021-10-01 | 南通双弘纺织有限公司 | Segmented roving cleaning system and cleaning method thereof |
| CN113972773B (en) * | 2021-12-22 | 2022-03-04 | 山东瑞博电机有限公司 | Dustproof three-phase asynchronous motor |
| CN114471048B (en) * | 2022-03-07 | 2023-04-14 | 江苏三仪动物营养科技有限公司 | Environment-friendly waste gas treatment device and treatment method in duck feed production |
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