CN115318032B - Self-cleaning type dust removing device - Google Patents

Self-cleaning type dust removing device Download PDF

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Publication number
CN115318032B
CN115318032B CN202211243540.3A CN202211243540A CN115318032B CN 115318032 B CN115318032 B CN 115318032B CN 202211243540 A CN202211243540 A CN 202211243540A CN 115318032 B CN115318032 B CN 115318032B
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China
Prior art keywords
filter screen
dust
secondary filter
scraping
dust removal
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CN202211243540.3A
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CN115318032A (en
Inventor
邢雅峥
李路轩
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Shandong Kasry Intelligent Equipment Co ltd
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Shandong Kasry Intelligent Equipment Co ltd
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Priority to CN202211243540.3A priority Critical patent/CN115318032B/en
Publication of CN115318032A publication Critical patent/CN115318032A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention is suitable for the technical field of dust removing equipment in the processing process of parts, and provides a self-cleaning dust removing device, which comprises a dust removing box body, wherein two dust removing assemblies are fixedly arranged in the dust removing box body, and each dust removing assembly comprises: the dust removal device comprises a dust removal shell, wherein a primary filter screen and a secondary filter screen are arranged on the outer side of the dust removal shell, a driving motor is fixedly arranged on one side of the dust removal shell, a rotating shaft is connected onto an output shaft of the driving motor in a sliding mode, fan blades are arranged on the outer wall of the rotating shaft, a rotating sleeve is arranged in the center of the secondary filter screen, and an inner material scraping piece and an outer material scraping piece which are used for cleaning the secondary filter screen are arranged at two ends of the rotating sleeve.

Description

Self-cleaning type dust removing device
Technical Field
The invention relates to the technical field of dust removing equipment in the machining process of parts, in particular to a self-cleaning dust removing device.
Background
With the current development, the national requirements on environmental protection of factories are higher and higher, so that the requirements on environmental protection equipment are higher and higher at present, and no matter in the fields of processing of parts, cutting, welding or spraying and the like, a large amount of emissions with dust are generated during processing, so that the dust removal operation needs to be carried out on the smoke discharged from factory areas of the factories;
the fume emission of current factory is most directly taken out through the air discharge fan and is arranged, but has leaded to carminative dust content to exceed standard like this, is not conform to national environmental protection requirement, and current dust collector need change or wash the dust removal filter screen after long-time the use moreover, and later maintenance's manual work and time cost are higher.
In view of the foregoing, it is apparent that the prior art has inconvenience and disadvantages in practical use, and thus, needs to be improved.
Disclosure of Invention
In view of the above drawbacks, an object of the present invention is to provide a self-cleaning dust collector, which can determine the blockage of a filter screen through the smooth degree of air circulation by providing a scraper for automatically cleaning the filter screen, so as to ensure that dust in the air is filtered through the filter screen, and then the dust is scraped off and collected through the scraper, thereby reducing the cleaning cost of the filter screen in the later period, ensuring the efficient operation of the dust collector, and reducing the manpower and material costs for the later maintenance.
In order to achieve the above object, the present invention provides a self-cleaning dust removing device, which comprises a dust removing box body with a dust outlet at the bottom, two dust removing assemblies with self-cleaning function are fixedly arranged on two sides inside the dust removing box body, and the dust removing assemblies comprise: the outer side of the dust removal shell is provided with a primary filter screen and a secondary filter screen, a driving motor is fixedly arranged on one side, far away from the filter screens, of the dust removal shell, an output shaft of the driving motor is connected with a rotating shaft in a sliding mode, fan blades are arranged on the outer wall of the rotating shaft, a rotating sleeve is arranged in the center of the secondary filter screen, an inner scraping part and an outer scraping part which are used for cleaning the secondary filter screen are arranged at two ends of the rotating sleeve, and under the rotating effect of the fan blades, when the inner side of the secondary filter screen is blocked, the rotating shaft is connected with the inner scraping part to drive the inner scraping part to clean the inner side of the secondary filter screen; when the outside of second grade filter screen is plugged up, the axis of rotation with scrape the material piece joint outward, drive it is right to scrape the material piece outward the outside of second grade filter screen is clean.
According to the self-cleaning dust removing device, the end, away from the driving motor, of the rotating shaft is provided with the clutch part, the initial position of the rotating shaft is that the clutch part is not jointed with the outer scraping piece and the inner scraping piece, a first return spring is arranged between the rotating shaft and the driving motor, and the front end of the output shaft of the driving motor is provided with a second return spring which is matched with the first return spring to return the rotating shaft to the initial position.
According to the self-cleaning dust removal device, the inner side of the outer scraping piece is provided with an outer clutch plate matched with one side surface of the clutch part, the inner side of the inner scraping piece is provided with an inner clutch plate matched with the other side surface of the clutch part, and the inner scraping piece is provided with a matching hole for the rotating shaft to pass through.
According to the self-cleaning dust removal device, the inner scraping piece is provided with the inner scraping plate, the inner scraping plate comprises a scraping part and a material blocking part, one side of the scraping part is tightly attached to the inner side of the secondary filter screen, one side of the material blocking part is connected with one side of the scraping part, far away from the secondary filter screen, through the transverse plate, and a gap through which dust passes is formed between the other side of the material blocking part and the inner side of the secondary filter screen; the outer scraping piece is provided with an outer scraping plate, the structure of the outer scraping plate is the same as that of the inner scraping plate, and after the outer scraping piece and the inner scraping piece are installed, the positions of the inner scraping plate and the outer scraping plate are opposite.
According to the self-cleaning dust removal device, two annular grooves are formed in the inner side of the dust removal shell and located on two sides of the secondary filter screen, and the edge of the inner scraping piece and the edge of the outer scraping piece are matched with the bottom surfaces of the two annular grooves respectively.
According to the self-cleaning dust removal device, the bottom of the dust removal shell is provided with the dust collection openings, and the inner part of the dust removal box body is provided with the wind shield between the two dust collection openings.
According to the self-cleaning dust removal device, one end of the rotating shaft, which is close to the driving motor, is provided with the sliding hole, the inside of the sliding hole is provided with the convex edge which limits the relative rotation of the rotating shaft and the output shaft of the driving motor, and the output shaft of the driving motor is provided with the limiting groove which is in sliding fit with the convex edge.
According to the self-cleaning dust removal device, the two ends of the rotating sleeve are provided with limiting flanges for preventing the inner scraping piece and the outer scraping piece from axially moving, the front end of the dust removal shell is provided with an installation part installed on the dust removal box body, and the installation part is provided with an installation hole.
The invention provides a self-cleaning dust removal device, which comprises a dust removal box body, wherein the bottom of the dust removal box body is provided with a dust outlet, two dust removal components with self-cleaning functions are fixedly arranged in the dust removal box body, the dust removal components are arranged to realize that smoke gas to be treated outside the dust removal box body is pumped into the dust removal box body, then the smoke gas in the dust removal box body is filtered again through the other opposite dust removal component and then is pumped out, so that the dust removal process of the gas is realized, and the dust removal components comprise: the outer side of the dust removal shell is provided with a primary filter screen and a secondary filter screen, the primary filter screen protects the interior of the dust removal shell, larger objects are prevented from entering the interior of the dust removal component and damaging the dust removal component, one side of the dust removal shell, which is far away from the filter screen, is fixedly provided with a driving motor, an output shaft of the driving motor is connected with a rotating shaft in a sliding manner, the outer wall of the rotating shaft is provided with fan blades, the driving motor is ensured to drive the rotating shaft of the exhaust fan to rotate, the exhaust fan is ensured to slide on the output shaft of the driving motor in the rotating process, the center of the secondary filter screen is provided with a rotating sleeve, two ends of the rotating sleeve are provided with an inner scraping piece and an outer scraping piece for cleaning the secondary filter screen, when more dust adhered to the secondary filter screen affects the heat dissipation effect, the inner scraping piece or the outer scraping piece scrapes the secondary filter screen to clean, the secondary filter screen is prevented from being blocked, and under the rotating effect, one end, which is far away from the driving motor, is connected with the inner scraping piece to drive the inner side of the secondary filter screen to clean the inner side of the secondary filter screen; when the outer side of the second-stage filter screen is blocked, one end, far away from the driving motor, of the rotating shaft is connected with the outer scraping piece, the outer scraping piece is driven to clean the outer side of the second-stage filter screen, the rotation direction of the exhaust fan is different, the side face of the second-stage filter screen needing to be cleaned is cleaned, waste of resources caused by cleaning the filter screens on two sides simultaneously is prevented, meanwhile, the part, needing to be cleaned, of the filter screen is automatically judged through the change of the air pressure of the scraper, the automatic cleaning process of the second-stage filter screen is achieved, in conclusion, the technical effect is that the scraper for automatically cleaning the filter screen is arranged, the blocking condition of the filter screen is judged through the smooth degree of circulation of air, dust in the air is filtered through the filter screen, then the dust is scraped and collected through the scraper, the cleaning cost of the filter screen in the later stage is reduced, the efficient operation of the dust removal device is guaranteed, and the manpower and material cost of later maintenance is reduced.
Drawings
FIG. 1 is a schematic perspective view of the interior of the dust-removing box body of the present invention; FIG. 2 is a schematic view of the cross-sectional internal structure of the dust-removing box body of the present invention; FIG. 3 is a schematic perspective view of one side of the primary strainer of the dust removal assembly of the present invention; FIG. 4 is a schematic view of a side perspective view of the drive motor of the dedusting assembly of the present invention; FIG. 5 is a schematic cross-sectional view of a dedusting assembly of the present invention; FIG. 6 is a schematic cross-sectional view of the dust extraction housing of the present invention; FIG. 7 is a perspective view of the outer scraper member of the present invention; FIG. 8 is a perspective view of the inner scraper member of the present invention; FIG. 9 is a perspective view of the exhaust fan of the present invention; in the figure, 1-a dust outlet, 2-a dust removal box body, 21-a wind shield, 3-a dust removal component, 30-an outer scraping piece, 301-an outer scraping plate, 302-an outer clutch plate, 31-a mounting hole, 32-a primary filter screen, 33-a secondary filter screen, 34-an inner scraping piece, 341-an inner scraping plate, 342-an inner clutch plate, 343-a matching hole, 35-a dust removal shell, 36-a driving motor, 37-an exhaust fan, 371-a fan blade, 372-a sliding hole, 373-a clutch part, 38-a first return spring, 39-an output shaft, 40-a second return spring and 4-a dust collection port.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, 2, 3, 4, 5 and 6, the present invention provides a self-cleaning dust removing device, which includes a dust removing box 2 having a dust outlet 1 at the bottom, wherein separated dust is collected and guided out through the dust outlet 1, two dust removing assemblies 3 having a self-cleaning function are fixedly arranged inside the dust removing box 2, the two dust removing assemblies 3 are arranged to introduce the soot gas to be treated outside the dust removing box 2 into the dust removing box 2, and then the soot gas inside the dust removing box 2 is discharged after performing a dust removing operation again through another dust removing assembly 3, so as to achieve the discharge and dust removing operation of the soot gas, wherein the dust removing assembly 3 includes: a dust removing housing 35, a primary filter screen 32 and a secondary filter screen 33 are arranged on the outer side of the dust removing housing 35, the primary filter screen 32 protects the inside of the dust removing housing 35, and prevents larger objects from entering the inside of the dust removing assembly 3 to damage the dust removing assembly 3, a driving motor 36 is fixedly arranged on one side of the dust removing housing 35 away from the filter screen, a rotating shaft is slidably connected to an output shaft 39 of the driving motor 36, a fan blade 371 is arranged on the outer wall of the rotating shaft, the rotating shaft and the fan blade 371 are combined to form an exhaust fan 37, so that the driving motor 36 drives the rotating shaft of the exhaust fan 37 to rotate, the exhaust fan can slide on the output shaft 39 of the driving motor 36 in the rotating process, a rotating sleeve is arranged at the center of the secondary filter screen 33, inner scraping pieces 34 and outer scraping pieces 30 for cleaning the secondary filter screen 33 are arranged at two ends of the rotating sleeve, when dust adhered to the heat dissipation effect of the secondary filter screen 33 is more influenced, the inner scraping pieces 34 or the outer scraping pieces 30 scrape the secondary filter screen for cleaning, and simultaneously, the dust is discharged to the bottom of the dust collecting box body through a dust collecting port, and the dust blocking the secondary filter screen 33 is prevented, when the inner side of the rotating filter screen 33 is blocked, the inner scraping pieces 34 and the inner side of the secondary filter screen 36 is connected with the inner side of the cleaning fan, the inner scraping pieces 34, and the inner side of the secondary filter screen 34 is connected with the inner side of the secondary filter screen 34, and the cleaning motor 36, the inner side of the cleaning fan 36 is suitable for cleaning fan when the inner side of the cleaning fan 36; when the outside of second grade filter screen 33 is plugged up, the axis of rotation is kept away from driving motor 36's one end with scrape material 30 joint outward, drive scrape material 30 right outward the outside of second grade filter screen 33 is clean, realized different to the direction of rotation of air discharge fan 37, clean the side of needs clear second grade filter screen 33, prevent the waste of the resource that the filter screen of clean both sides caused simultaneously, judge the filter screen needs clear part through the change automation of self atmospheric pressure simultaneously, realized the self-cleaning process to second grade filter screen 33, avoid appearing scraping the ash operation for a long time and cause the energy extravagant and the wearing and tearing increase of filter screen.
Referring to fig. 1, 2, 5, 7, 8 and 9, it is preferable that a clutch portion 373 is provided at one end of the rotating shaft away from the driving motor 36, both side surfaces of the clutch portion 373 are engaged with the inner clutch plate 342 and the outer clutch plate 302 (the clutch plate is set in the prior art, and not described herein), respectively, the initial position of the rotating shaft is a state where the clutch portion 373 is not engaged with the outer scraper 30 and the inner scraper 34, a first return spring 38 is provided between the rotating shaft and the driving motor 36, a second return spring 40 is provided between the front end of the output shaft 39 of the driving motor and the sliding hole to return the rotating shaft to the initial position in cooperation with the first return spring (here, only one second return spring 40 may be provided, so as to ensure that both ends of the second return spring 40 are on the inner bottom surface of the sliding hole and the front end surface of the output shaft), both springs are in a manner of abutting against each other to prevent the springs from affecting the rotation of the exhaust fan 37, when both end surfaces of the clutch portion may be in contact with the inner clutch plate 302 and the outer clutch plate 302, the inner clutch plate 302, the outer clutch plate 302, and the rotating shaft are engaged with the second return spring 33, and the second return spring 33, the exhaust fan 33, the rotating shaft is not subjected to a smoke dust, when the smoke dust is subjected to a secondary pressure of the exhaust fan 33, and the smoke dust generated by the gas pressure of the gas return spring 33, and the smoke dust generated by the second return spring 33, and the exhaust fan 33, when the smoke-pressure of the clutch plate 33, at this time, the clutch portion 373 slides to be engaged with the inner clutch plate 342 or the outer clutch plate 302, and the side surface of the corresponding second-stage filter screen 33 is cleaned, thereby implementing an automatic cleaning process for the second-stage filter screen 33.
Referring to fig. 5, 7 and 8, in addition, the outer scraping member 30 of the present invention is provided at an inner side thereof with an outer clutch plate 302 engaged with one side surface of the clutch portion 373, the inner scraping member 34 is provided at an inner side thereof with an inner clutch plate 342 engaged with the other side surface of the clutch portion 373, and the inner scraping member 34 is provided with an engaging hole 343 through which the rotating shaft passes, so that the inner scraping member 34 is ensured to be normally mounted at an outer end of the rotating sleeve, and the rotation of the rotating shaft does not affect the state of the inner scraping member 34, thereby preventing the inner scraping member 34 from automatically rotating when scraping is not required.
Further, the inner scraping member 34 of the present invention is provided with an inner scraping plate 341, the inner scraping plate 341 includes a scraping portion and a blocking portion, one side of the scraping portion is tightly attached to the inner side of the secondary filter screen 33, one side of the blocking portion is connected to one side of the scraping portion away from the secondary filter screen 33 through a horizontal plate, and the other side of the blocking portion and the inner side of the secondary filter screen 33 form a gap through which dust passes; the outer scraping plate 301 is arranged on the outer scraping part 30, the structure of the outer scraping plate 301 is the same as that of the inner scraping plate 341, after the outer scraping part 30 and the inner scraping part 34 are installed, the positions of the inner scraping plate 341 and the outer scraping plate 301 are opposite, so that in the process of scraping materials by the inner scraping part 34 or the outer scraping part 30, dust is firstly scraped through a gap and then through the inner scraping part 34 or the outer scraping part 30, the scraped dust can be accumulated under the action of the material blocking part at the moment, the phenomenon that the dust flies upwards can not occur, the phenomenon that the inner scraping part 34 or the outer scraping part 30 fly when scraping materials is avoided, through the arrangement of the two dust removing assemblies 3, the filter holes of the secondary filter screens 33 of the corresponding dust removing assemblies can be properly arranged into filter holes with different sizes in the flowing direction of gas, the loads of the dust removing assemblies when the single dust removing assembly 3 is arranged are reduced, and the sufficient dust removing effect of the gas is ensured.
Preferably, the bottom of the dust removing housing 35 of the present invention is provided with a dust collecting opening 4, so as to ensure that dust scraped by the inner scraping member 34 or the outer scraping member 30 enters the interior of the dust removing box body through the collection of the dust collecting opening 4, and meanwhile, a wind shielding plate 21 is arranged between the two dust collecting openings 4 in the interior of the dust removing box body, so as to prevent the collected dust in the interior of the dust removing box body from being brought up when the dust removing assembly 3 performs air extraction operation, which causes secondary flying of the dust and affects the dust removing effect of the dust removing assembly 3.
Referring to fig. 5 and 9, in addition, a sliding hole 372 is formed at one end of the rotating shaft adjacent to the driving motor 36, a convex edge for limiting the rotating shaft and the output shaft 39 of the driving motor to rotate relatively is arranged inside the sliding hole 372, a limiting groove in sliding fit with the convex edge is formed in the output shaft 39 of the driving motor to prevent the output shaft 39 and the rotating shaft from rotating relatively, so that the driving motor cannot drive the rotating shaft to rotate, limiting flanges for preventing the inner scraping member 34 and the outer scraping member 30 from moving axially are arranged at two ends of the rotating sleeve, a mounting part mounted on the dust removal box body 2 is arranged at the front end of the dust removal shell 35, and a mounting hole is formed in the mounting part to fix the dust removal shell 35 inside the dust removal box body.
In this embodiment, with reference to fig. 1 to 9, when in use, the dust removing assembly 3 is installed inside the dust removing box 2 through the installation hole 31 on the dust removing housing 35, so as to ensure that, in the normal flow process of the air inside the dust removing box 2, the air is drawn into the dust removing box 2 from the inside of the dust removing box 2, and the processed air is discharged after being dedusted by another dust removing assembly 3, when in use, because a phenomenon of more dust accumulation occurs on the outer side of the secondary filter screen 33 on the air inlet side, at this time, under the influence of the rotation of the exhaust fan 37, the side of the exhaust fan 37 adjacent to the secondary filter screen 33 presents a negative pressure value, the exhaust fan 37 is subjected to a force moving the exhaust fan 37 in the negative pressure direction, when the secondary filter screen 33 is blocked to a certain degree, the force applied to the exhaust fan 37 reaches a predetermined value, and the rotation shaft is compressed by the second return spring 40, the clutch part 373 on the rotating shaft is connected with the outer clutch plate 302, and drives the outer scraper 30 to rotate, so as to scrape the outer side of the secondary filter screen 33 and clean the outer side of the secondary filter screen 33, after the cleaning of the blocked dust is completed, the reaction force of the smoke and dust gas to be processed on the blades at the moment is smaller than the pressure of the first return spring 38 or the second return spring 40, the rotating shaft is reset, the outer scraper 30 is separated from the clutch part 373 and stops rotating, when the dust removal assembly 3 pumps the air in the dust removal box body 2 out of the dust removal box body 2, the exhaust fan 37 rotates reversely, the working state at the moment is the same as the working principle of the dust removal assembly 3, but the inner side of the secondary filter screen 33 is cleaned at the moment, the working direction is opposite, and the description is omitted.
In summary, the present invention provides a self-cleaning dust collector, including a dust collection box, two dust collection assemblies with self-cleaning function are fixed inside the dust collection box, the two dust collection assemblies are arranged to realize that the smoke gas to be treated outside the dust collection box is pumped into the dust collection box, and then the smoke gas inside the dust collection box is filtered again by another opposite dust collection assembly and then pumped out, so as to realize the dust collection process for the gas, and the dust collection assembly includes: the outer side of the dust removal shell is provided with a primary filter screen and a secondary filter screen, the primary filter screen protects the interior of the dust removal shell, larger objects are prevented from entering the interior of the dust removal component and damaging the dust removal component, one side of the dust removal shell, which is far away from the filter screen, is fixedly provided with a driving motor, an output shaft of the driving motor is connected with a rotating shaft in a sliding manner, the outer wall of the rotating shaft is provided with fan blades, the driving motor is ensured to drive the rotating shaft of the exhaust fan to rotate, the exhaust fan is ensured to slide on the output shaft of the driving motor in the rotating process, the center of the secondary filter screen is provided with a rotating sleeve, two ends of the rotating sleeve are provided with an inner scraping piece and an outer scraping piece for cleaning the secondary filter screen, when more dust adhered to the secondary filter screen affects the heat dissipation effect, the inner scraping piece or the outer scraping piece scrapes the secondary filter screen to clean, the secondary filter screen is prevented from being blocked, and under the rotating effect, one end, which is far away from the driving motor, is connected with the inner scraping piece to drive the inner side of the secondary filter screen to clean the inner side of the secondary filter screen; when the outer side of the second-stage filter screen is blocked, one end, far away from the driving motor, of the rotating shaft is connected with the outer scraping piece, the outer scraping piece is driven to clean the outer side of the second-stage filter screen, the rotation direction of the exhaust fan is different, the side face of the second-stage filter screen needing to be cleaned is cleaned, waste of resources caused by cleaning the filter screens on two sides simultaneously is prevented, meanwhile, the part, needing to be cleaned, of the filter screen is automatically judged through the change of the air pressure of the scraper, the automatic cleaning process of the second-stage filter screen is achieved, in conclusion, the technical effect is that the scraper for automatically cleaning the filter screen is arranged, the blocking condition of the filter screen is judged through the smooth degree of circulation of air, dust in the air is filtered through the filter screen, then the dust is scraped and collected through the scraper, the cleaning cost of the filter screen in the later stage is reduced, the efficient operation of the dust removal device is guaranteed, and the manpower and material cost of later maintenance is reduced.
The present invention is capable of other embodiments, and various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Claims (6)

1. The utility model provides a self-cleaning formula dust collector which characterized in that, includes the dust removal box that the bottom was equipped with out the dirt mouth, two dust removal components that have self-cleaning function have set firmly in the inside both sides of dust removal box, dust removal component includes: the outer side of the dust removal shell is provided with a primary filter screen and a secondary filter screen, one side, far away from the filter screen, of the dust removal shell is fixedly provided with a driving motor, an output shaft of the driving motor is connected with a rotating shaft in a sliding mode, the outer wall of the rotating shaft is provided with fan blades, the center of the secondary filter screen is provided with a rotating sleeve, two ends of the rotating sleeve are provided with an inner material scraping piece and an outer material scraping piece for cleaning the secondary filter screen, and under the rotating effect of the fan blades, when the inner side of the secondary filter screen is blocked, the rotating shaft is connected with the inner material scraping piece to drive the inner material scraping piece to clean the inner side of the secondary filter screen; when the outer side of the secondary filter screen is blocked, the rotating shaft is connected with the outer scraping piece to drive the outer scraping piece to clean the outer side of the secondary filter screen;
the axis of rotation is kept away from driving motor's one end is equipped with separation and reunion portion, the initial position of axis of rotation for separation and reunion portion not with scrape material spare and interior material spare joint outward, be equipped with first reset spring between axis of rotation and the driving motor, the front end of driving motor's output shaft be equipped with first reset spring cooperation will the axis of rotation resets to the initial position's second reset spring, the inboard of scraping material spare outward be equipped with a side complex outer clutch disc of separation and reunion portion, the inboard of scraping material spare in be equipped with separation and reunion portion another side complex interior clutch disc, interior material spare of scraping is equipped with the confession the mating holes that the axis of rotation passed.
2. The self-cleaning dust collector according to claim 1, wherein the inner scraper is provided with an inner scraper plate, the inner scraper plate comprises a scraper portion and a material blocking portion, one side of the scraper portion is tightly attached to the inner side of the secondary filter screen, one side of the material blocking portion is connected with one side of the scraper portion far away from the secondary filter screen through a transverse plate, and the other side of the material blocking portion and the inner side of the secondary filter screen form a gap through which dust passes; the outer scraping piece is provided with an outer scraping plate, the structure of the outer scraping plate is the same as that of the inner scraping plate, and after the outer scraping piece and the inner scraping piece are installed, the positions of the inner scraping plate and the outer scraping plate are opposite.
3. The self-cleaning dust removing device of claim 1, wherein the inner side of the dust removing housing is provided with two annular grooves at both sides of the secondary filter screen, and the edge of the inner scraper and the edge of the outer scraper are respectively engaged with the bottom surfaces of the two annular grooves.
4. The self-cleaning dust removing device of claim 3, wherein the bottom of the dust removing housing is provided with dust collecting openings, and a wind shielding plate is arranged between the two dust collecting openings inside the dust removing box body.
5. The self-cleaning dust removing device of claim 1, wherein a sliding hole is formed at one end of the rotating shaft adjacent to the driving motor, a convex edge for limiting the relative rotation between the rotating shaft and the output shaft of the driving motor is arranged inside the sliding hole, and a limiting groove for slidably fitting with the convex edge is formed on the output shaft of the driving motor.
6. The self-cleaning dust removal device as claimed in any one of claims 1 to 2, wherein limiting flanges for preventing the inner scraper and the outer scraper from moving axially are arranged at two ends of the rotating sleeve, an installation part installed on the dust removal box body is arranged at the front end of the dust removal shell, and an installation hole is formed in the installation part.
CN202211243540.3A 2022-10-12 2022-10-12 Self-cleaning type dust removing device Active CN115318032B (en)

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Application Number Priority Date Filing Date Title
CN202211243540.3A CN115318032B (en) 2022-10-12 2022-10-12 Self-cleaning type dust removing device

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Application Number Priority Date Filing Date Title
CN202211243540.3A CN115318032B (en) 2022-10-12 2022-10-12 Self-cleaning type dust removing device

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CN115318032A CN115318032A (en) 2022-11-11
CN115318032B true CN115318032B (en) 2023-01-03

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Citations (5)

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