CN210845607U - Dust collector of powder coating production usefulness - Google Patents

Dust collector of powder coating production usefulness Download PDF

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Publication number
CN210845607U
CN210845607U CN201921627681.9U CN201921627681U CN210845607U CN 210845607 U CN210845607 U CN 210845607U CN 201921627681 U CN201921627681 U CN 201921627681U CN 210845607 U CN210845607 U CN 210845607U
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China
Prior art keywords
dust
air guide
air
threaded rod
guide channel
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CN201921627681.9U
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孟东伟
朱东云
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Jinjiang Qianshan New Material Technology Co ltd
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Jinjiang Qianshan New Material Technology Co ltd
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Abstract

The utility model discloses a dust collector of powder coating production usefulness belongs to dust collecting equipment technical field, including air guide machine, dust removal sack, fuselage, income wind gap, filter, the dust removal sack is provided with a plurality of, the outside of dust removal sack is provided with the dust arrester, the dust arrester is provided with a plurality of, one of dust arrester is served and is provided with first threaded rod, the utility model discloses a starter motor drives first threaded rod rotatory, drives the air guide device through drive mechanism and begins work, and the air guide device carries out the air current back flush to the dust removal sack, utilizes the dust arrester to cooperate with the air guide device simultaneously, collects the dust of coming out to the clearance on the dust removal sack, avoids the dust once more to be raised and is difficult to discharge, and then improves the clearance effect, reduces the damage increase of service life of current shake to the dust removal sack simultaneously.

Description

Dust collector of powder coating production usefulness
Technical Field
The utility model discloses a dust collector of powder coating production usefulness belongs to dust collecting equipment technical field.
Background
In the process of producing the powder coating, the powder coating can be scattered into the air, which is a waste phenomenon and pollutes the working environment, so that a dust removal device is needed.
The current chinese patent of patent number CN201711086865.4 discloses an environment-friendly sack dust collecting equipment, including the organism, the fixed intercommunication in top of organism one side has the intake pipe, the one end fixedly connected with ring flange of intake pipe, the top fixedly connected with pulse air compressor machine of organism, the fixed intercommunication in bottom of pulse air compressor machine has the blowpipe, the inside roof fixedly connected with fixed block of organism, the bottom fixedly connected with keel frame of fixed block, the bottom of blowpipe runs through organism and fixed block and extends to keel frame's inside.
Above-mentioned scheme is through reset spring pull-back in-process will take place a lot of shake to improve the effect of dust removal sack deashing, avoided needing pulse air compressor machine drum to blow just can reach the deashing effect many times, improved pulse air compressor machine's life, but at the deashing in-process, the dust can be because of wasing the shake and being raised once more, is difficult to discharge, and the shake of high-frequency causes the damage of dust removal sack easily, influences life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving foretell problem and providing a dust collector of powder coating production usefulness, it is rotatory that the starter motor drives first threaded rod, drive air guide through drive mechanism and begin work, air guide carries out the air current back flush to the dust removal sack, utilize dust arrester and air guide to cooperate simultaneously, the dust to clearing up on the dust removal sack is collected, it is difficult to discharge to avoid the dust once more raised, and then improve the clearance effect, reduce the damage increase of service life of current shake to the dust removal sack simultaneously.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a dust collector of powder coating production usefulness, including air guide machine, dust removal sack, fuselage, income wind gap, filter, the dust removal sack is provided with a plurality of, the outside of dust removal sack is provided with the dust arrester, the dust arrester is provided with a plurality of, one of dust arrester is served and is provided with first threaded rod to first threaded rod is connected with the dust arrester transmission, the one end that the filter was kept away from to first threaded rod is provided with the motor, the motor is connected with first threaded rod transmission, be provided with drive mechanism between motor and the dust removal sack, the inside air guide device that is provided with of dust removal sack, first threaded rod and air guide device all are connected with the drive mechanism transmission, air guide device's position and the position of dust arrester are mutually supported.
Through adopting above-mentioned technical scheme, starter motor drives first threaded rod rotatory, drives the air guide device through drive mechanism and begins work, and the air guide device carries out the air current back flush to the dust removal sack, utilizes first threaded rod to drive the dust arrester simultaneously and removes, collects the dust that air guide device's clearance came out, avoids once more the dust to be raised and is difficult to discharge, and then improves the clearance effect, reduces the damage to the dust removal sack simultaneously, increase of service life.
Preferably, drive mechanism includes driving gear, drive chain, driven gear, the driving gear is connected and is located same axle center with first threaded rod fixed connection, the driving gear passes through drive chain and is connected with the driven gear transmission, the driven gear is provided with a plurality of, the driven gear is connected with the transmission of air guide device.
Through adopting above-mentioned technical scheme, first threaded rod drives the driving gear rotatory, and the driving gear passes through drive chain and drives driven gear rotatory, and then utilizes driven gear to provide drive power for the air guide device.
Preferably, the air guide device includes second threaded rod, second thread bush, moving body, gasbag, air guide control mechanism, first filtration net, protective housing, second threaded rod and driven gear fixed connection and lie in same axle center, second threaded rod and second thread bush threaded connection, second thread bush and moving body fixed connection, the gasbag is located the one side that the moving body is close to the filter, the gasbag switches on with air guide control mechanism mutually, air guide control mechanism is located the inside of moving body, first filtration net switches on with air guide control mechanism mutually, protective housing is provided with a plurality of, and protective housing centre gripping moving body, first filtration net is laminated with the inner wall of dust removal sack mutually.
By adopting the technical scheme, the second threaded rod is meshed with the second threaded sleeve, so that the moving body is driven to move downwards to extrude the air bag, the air bag guides air flow to the first filtering grid through the air guide control mechanism, and the effect of performing air flow backwashing on the dust removal cloth bag is realized.
Preferably, the movable body is provided with an extension plate on one side of the airbag close to the second threaded rod, and the extension plate is attached to the airbag.
Through adopting above-mentioned technical scheme, utilize the extension board to play the effect of separation gasbag and second threaded rod, avoid the gasbag to be drawn into the meshing department of second threaded rod and second thread bush.
Preferably, the air guide control mechanism comprises a first air guide channel, a first one-way valve, a second air guide channel and a second one-way valve, the first air guide channel is communicated with the air bag, one end, far away from the air bag, of the first air guide channel is communicated with an inner cavity formed by the protective shell, the first one-way valve is located inside the first air guide channel, the first one-way valve controls air flow to flow only in the direction of the air bag, one end of the second air guide channel is communicated with the first air guide channel, the first one-way valve is located on one side, far away from the air bag, of the joint of the first air guide channel and the second air guide channel, the other end of the second air guide channel is communicated with the first filter grid, the second one-way valve is located inside the second air guide channel, and the second one-way valve controls air flow to flow only in the direction.
By adopting the technical scheme, when the moving body moves downwards to extrude the air bag, the first one-way valve is matched with the second one-way valve, so that air flow formed by the extruding air bag can only blow to the first filtering grid through the second air guide channel.
Preferably, the second check valve is positioned at one end of the interior of the second air guide channel close to the first filter grid.
By adopting the technical scheme, when the airflow of the air bag flows back, the air guided into the second air guide channel is too much, so that dust is adsorbed onto the dust removal cloth bag again.
Preferably, the dust collector includes first thread bush, splint, collection dirt pad, second filtration net, first thread bush and first threaded rod threaded connection, first thread bush and splint fixed connection, splint are provided with two to be provided with the cavity between, collection dirt pad and second filtration net all set up inside the cavity, the collection dirt pad is located one side that the second filtration net is close to the dust removal sack.
Through adopting above-mentioned technical scheme, utilize the collection dirt pad to collect the dust that clears up on the dust removal sack to utilize the second to filter the gas permeability that the net guaranteed the collection dirt pad, strengthen the collection effect of collection dirt pad.
Preferably, a gap exists between the dust collecting pad and the dust collecting cloth bag.
Through adopting above-mentioned technical scheme, when avoiding gasbag air current backward flow, the dust that collects on the dust collecting pad adsorbs on the dust removal sack again.
Preferably, the through hole formed in the filter plate is of a trapezoidal structure, one end with a large opening faces the dust removal cloth bag, and the other end with a small opening faces the air inlet.
Through adopting above-mentioned technical scheme, utilize the little terminal surface of opening to go into the wind gap to the big granule in the restriction dust gets into the dust removal sack, improves the filter effect of dust removal sack, utilizes the big terminal surface of opening to the dust removal sack, thereby is convenient for derive the dust that gets off on the dust removal sack.
Compared with the prior art, the beneficial effects of the utility model are that:
firstly, a motor is started to drive a first threaded rod to rotate, a transmission mechanism drives an air guide device to start working, the air guide device carries out airflow backwashing on a dust removal cloth bag, and meanwhile, a dust collector is matched with the air guide device to collect dust cleaned from the dust removal cloth bag, so that the dust is prevented from being lifted again and being difficult to discharge, the cleaning effect is improved, and meanwhile, the damage of the conventional shaking to the dust removal cloth bag is reduced, and the service life is prolonged;
the driving gear, the transmission chain and the driven gear are matched to realize the effect that the motor is used for driving the first threaded rod to rotate and converting the power into power for providing driving force for the air guide device;
thirdly, the moving body moves downwards to extrude the air bag, so that the air bag forms flowing air flow, and then the air bag guides the air flow to the first filtering grid through the air guide control mechanism, so that the effect of performing air flow backwashing on the dust removal cloth bag is realized;
fourthly, through the matching of the first one-way valve and the second one-way valve, the air flow formed by extruding the air bag can only be blown to the first filtering grid through the second air guide channel, and when the air bag is stretched, the air flow can only be blown to the interior of the air bag through the first air guide channel;
fifthly, the dust cleaned from the dust collecting cloth bag is collected by the dust collecting pad by utilizing the matching among the first threaded sleeve, the clamping plate, the dust collecting pad and the second filtering grid.
Drawings
Fig. 1 is a schematic structural diagram of a dust removing device for powder coating production of the present invention, which is mainly used for showing the overall structure of the dust removing device;
fig. 2 is a schematic structural diagram of the transmission mechanism of the present invention, which is mainly used for showing the internal mechanism of the transmission mechanism;
FIG. 3 is a schematic view of the connection structure of the dust-collecting cloth bag, the air guide device and the dust collector of the present invention, which is mainly used for showing the internal structure of the dust-collecting cloth bag, the air guide device and the dust collector;
FIG. 4 is a schematic top view of the cross-sectional structure of the air guide of the present invention, which is mainly used to show the internal structure of the air guide;
FIG. 5 is a schematic structural view at A in FIG. 3, which is mainly used for showing the internal structure of the air guide control mechanism;
fig. 6 is a schematic top view of the dust collector of the present invention, which is mainly used to show the internal structure of the dust collector.
Reference numerals: 1. a motor; 2. a transmission mechanism; 3. a wind guide fan; 4. a dust removal cloth bag; 5. a body; 6. an air inlet; 7. a filter plate; 8. a first threaded rod; 9. a driving gear; 10. a drive chain; 11. a driven gear; 12. a second threaded rod; 13. a second threaded sleeve; 14. a moving body; 15. an air bag; 16. a first air guide channel; 17. a first check valve; 18. a second air guide channel; 19. a second one-way valve; 20. a first filter mesh; 21. a first threaded sleeve; 22. a splint; 23. a dust collecting pad; 24. a second filter mesh; 25. a protective housing; 26. an extension plate; 27. a dust collector.
Detailed Description
In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figures 1-6, a dust removing device for producing powder coating comprises a blower fan 3, a dust removing cloth bag 4, a machine body 5, an air inlet 6 and a filter plate 7, so that air mixed with powder coating is guided into the dust removing device through the air inlet 6, the blower fan 3 is started to guide the air inside the dust removing device to achieve a drainage effect through corresponding through holes of the blower fan 3, the air is guided to the dust removing cloth bag 4 through the filter plate 7, the dust removing cloth bag 4 is provided with a plurality of through holes to further enhance the dust removing effect of the dust removing device, meanwhile, the through holes formed in the filter plate 7 are of a trapezoidal structure, one end with a small opening faces the air inlet 6 so as to limit large particles in the dust to enter the dust removing cloth bag 4, a primary filtering effect is achieved, the filtering effect of the dust removing cloth bag 4 is improved, one end with a large opening faces the dust removing cloth bag 4, so that when the collected, the dust is convenient to be led out.
After the dust removing device is used for a period of time, the motor 1 is started, the motor 1 is in transmission connection with the first threaded rod 8 and further drives the first threaded rod 8 to rotate, the first threaded rod 8 is in transmission connection with the dust collector 27, the first threaded rod 8 is utilized to drive the dust collector 27 to move, meanwhile, the first threaded rod 8 is in transmission connection with the transmission mechanism 2, the transmission mechanism 2 comprises a driving gear 9, a transmission chain 10 and a driven gear 11, the driving gear 9 is fixedly connected with the first threaded rod 8 and is positioned on the same axis, so that the first threaded rod 8 drives the driving gear 9 to rotate, the driving gear 9 is in transmission connection with the driven gear 11 through the transmission chain 10, further the driven gear 11 rotates, the driven gear 11 is in transmission connection with the air guide device, further, the driven gear 11 and the air guide device are utilized to provide driving force for the, therefore, the air guide device blows air to the dust removal cloth bag 4 to form an air flow backwashing effect, the cleaning effect of the dust removal cloth bag 4 is further guaranteed, synchronous work of the dust collector 27 and the air guide device is achieved, meanwhile, the position of the air guide device is matched with the position of the dust collector 27, and the dust collecting effect of the dust collector 27 and the cleaning effect of the air guide device on the dust removal cloth bag 4 are improved.
The air guide device comprises a second threaded rod 12, a second threaded sleeve 13, a moving body 14, an air bag 15, an air guide control mechanism, a first filtering grid 20 and a protective shell 25, wherein the second threaded rod 12 is fixedly connected with a driven gear 11 and is positioned on the same axis, so that the driven gear 11 drives the second threaded rod 12 to rotate when rotating, the second threaded rod 12 is in threaded connection with the second threaded sleeve 13, the second threaded sleeve 13 is fixedly connected with the moving body 14, the protective shell 25 is provided with a plurality of protective shells, and the protective shell 25 clamps the moving body 14, so that the effect of fixing the moving body 14 is achieved, further, the second threaded sleeve 13 is pushed to move downwards when the second threaded rod 12 rotates, the second threaded sleeve 13 is not driven to rotate, the moving body 14 is driven to move downwards at the same time, and the air bag 15 is positioned on one side of the moving body 14 close to the filter plate 7, the air bag 15 is communicated with the air guide control mechanism, the air bag 15 guides air flow out through the air guide control mechanism, meanwhile, the moving body 14 is provided with an extension plate 26 at one side of the air bag 15 close to the second threaded rod 12, the extension plate 26 is attached to the air bag 15, so that the extension plate 26 has the effect of blocking the contact between the air bag 15 and the second threaded rod 12 and prevents the air bag 15 from being rolled into the meshing position of the second threaded rod 12 and the second threaded sleeve 13, the air guide control mechanism comprises a first air guide channel 16, a first check valve 17, a second air guide channel 18 and a second check valve 19, the first air guide channel 16 is communicated with the air bag 15, the first check valve 17 is positioned inside the first air guide channel 16, one end of the second air guide channel 18 is communicated with the first air guide channel 16, the first check valve 17 is positioned at one side of the connecting position of the first air guide channel 16 and the second air guide channel 18, which is far away from the air bag 15, and the air flow can only, the air flow formed by the air bag 15 flows to the second air guide channel 18 through the first air guide channel 16, the other end of the second air guide channel 18 is communicated with the first filtering grid 20, the second one-way valve 19 is positioned in the second air guide channel 18, the second one-way valve 19 controls the air flow to flow only in the direction of the first filtering grid 20, the formed air flow can be blown to the first filtering grid 20, and the first filtering grid 20 is attached to the inner wall of the dust removal cloth bag 4, so that the air guide device performs back flushing on the air flow of the dust removal cloth bag 4, and the cleaning effect of the air guide device on the dust removal cloth bag 4 is ensured.
When the moving body 14 moves upwards and the air bag 15 is stretched and sucked, the first check valve 17 controls the air flow to flow only towards the air bag 15, the second check valve 19 controls the air flow to flow only towards the first filter grid 20, so that the air guide control mechanism can only suck air outwards through the first air guide channel 16 to supply air to the air bag 15, and one end of the first air guide channel 16, which is far away from the air bag 15, is communicated with an inner cavity formed by the protective shell 25, so that the air sucked by the first air guide channel 16 is filtered air, therefore, when the subsequent air bag 15 exhaust blows to the dust removal cloth bag 4, repeated pollution cannot be formed, the second one-way valve 19 is located at one end, close to the first filtering grid 20, in the second air guide channel 18, the air flow can only be controlled to flow towards the first filtering grid 20, and the phenomenon that the air flow flows back through the second air guide channel 18 to cause dust to be adsorbed to the dust removal cloth bag 4 again is avoided.
The dust collector 27 comprises a first threaded sleeve 21, a clamping plate 22, a dust collecting pad 23 and a second filtering grid 24, wherein the first threaded sleeve 21 is in threaded connection with a first threaded rod 8, the first threaded rod 8 is used for pushing the first threaded sleeve 21 to move downwards, the first threaded sleeve 21 is fixedly connected with the clamping plate 22 so as to drive the clamping plate 22 to move downwards, two clamping plates 22 are arranged, a cavity is arranged between the two clamping plates 22, the dust collecting pad 23 and the second filtering grid 24 are both arranged in the cavity, the dust collecting pad 23 is positioned on one side, close to the dust collecting cloth bag 4, of the second filtering grid 24, so that when the first filtering grid 20 blows air to the dust collecting cloth bag 4 for cleaning, the dust collecting pad 23 is in contact with dust and absorbs the dust, meanwhile, the air permeability of the dust collecting pad 23 is ensured by using the second filtering grid 24, the dust collecting effect of the dust collecting pad 23 is enhanced, meanwhile, a gap exists between the dust collecting pad 23 and the, the dust collecting pad 23 can not be in direct contact with the outer surface of the dust collecting cloth bag 4, so that dust on the dust collecting pad 23 is adhered to the dust collecting cloth bag 4 again, repeated pollution is caused, and during air flow backflow, due to the fact that a distance exists between the dust collecting pad 23 and the dust collecting cloth bag 4, the dust collected on the dust collecting pad 23 is prevented from being adsorbed to the dust collecting cloth bag 4 again.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. A dust removal device for powder coating production comprises a fan (3), a dust removal cloth bag (4), a machine body (5), an air inlet (6) and a filter plate (7), wherein the dust removal cloth bag (4) is provided with a plurality of dust collectors (27), the dust collectors (27) are arranged on the outer side of the dust removal cloth bag (4), a plurality of first threaded rods (8) are arranged on one ends of the dust collectors (27), the first threaded rods (8) are in transmission connection with the dust collectors (27), a motor (1) is arranged at one end, away from the filter plate (7), of each first threaded rod (8), the motor (1) is in transmission connection with the corresponding first threaded rod (8), a transmission mechanism (2) is arranged between the motor (1) and the dust removal cloth bag (4), and an air guide device is arranged inside the dust removal cloth bag (4), the first threaded rod (8) and the air guide device are in transmission connection with the transmission mechanism (2), and the position of the air guide device is matched with that of the dust collector (27).
2. The dust removing device for powder coating production according to claim 1, wherein: drive mechanism (2) include driving gear (9), drive chain (10), driven gear (11), driving gear (9) and first threaded rod (8) fixed connection and be located same axle center, driving gear (9) are connected with driven gear (11) transmission through drive chain (10), driven gear (11) are provided with a plurality of, driven gear (11) are connected with the air guide device transmission.
3. The dust removing device for powder coating production according to claim 2, wherein: the air guide device comprises a second threaded rod (12), a second threaded sleeve (13), a moving body (14), an air bag (15), an air guide control mechanism, a first filtering grid (20) and a protective shell (25), wherein the second threaded rod (12) is fixedly connected with a driven gear (11) and is positioned on the same axis, the second threaded rod (12) is in threaded connection with the second threaded sleeve (13), the second threaded sleeve (13) is fixedly connected with the moving body (14), the air bag (15) is positioned on one side of the moving body (14) close to a filter plate (7), the air bag (15) is communicated with the air guide control mechanism, the air guide control mechanism is positioned inside the moving body (14), the first filtering grid (20) is communicated with the air guide control mechanism, the protective shell (25) is provided with a plurality of air guide control mechanisms, and the protective shell (25) clamps the moving body (14), and the first filtering grid (20) is attached to the inner wall of the dust removal cloth bag (4).
4. The dust removing device for powder coating production according to claim 3, wherein: the moving body (14) is provided with an extension plate (26) on one side of the air bag (15) close to the second threaded rod (12), and the extension plate (26) is attached to the air bag (15).
5. The dust removing device for powder coating production according to claim 3 or 4, wherein: the air guide control mechanism comprises a first air guide channel (16), a first one-way valve (17), a second air guide channel (18) and a second one-way valve (19), the first air guide channel (16) is communicated with the air bag (15), one end, far away from the air bag (15), of the first air guide channel (16) is communicated with an inner cavity formed by the protective shell (25), the first one-way valve (17) is located inside the first air guide channel (16), the first one-way valve (17) controls air flow to flow only in the direction of the air bag (15), one end of the second air guide channel (18) is communicated with the first air guide channel (16), the first one-way valve (17) is located on one side, far away from the air bag (15), of the joint of the first air guide channel (16) and the second air guide channel (18), and the other end of the second air guide channel (18) is communicated with the first filtering grid (20), the second one-way valve (19) is positioned in the second air guide channel (18), and the second one-way valve (19) controls the air flow to flow towards the first filter grid (20) only.
6. The dust removing device for powder coating production according to claim 5, wherein: the second one-way valve (19) is positioned at one end of the interior of the second air guide channel (18) close to the first filter grid (20).
7. The dust removing device for powder coating production according to claim 1, wherein: the dust collector (27) comprises a first threaded sleeve (21), a clamping plate (22), a dust collecting pad (23) and a second filtering grid (24), the first threaded sleeve (21) is in threaded connection with a first threaded rod (8), the first threaded sleeve (21) is fixedly connected with the clamping plate (22), the clamping plate (22) is provided with two parts, a cavity is formed between the two parts, the dust collecting pad (23) and the second filtering grid (24) are both arranged in the cavity, and the dust collecting pad (23) is located on one side, close to the dust collecting bag (4), of the second filtering grid (24).
8. The dust removing device for powder coating production according to claim 7, wherein: a gap is formed between the dust collecting pad (23) and the dust collecting cloth bag (4).
9. The dust removing device for powder coating production according to claim 1, wherein: the through hole that sets up on filter (7) is the trapezium structure, and the one end that the opening is big faces dust removal sack (4), and the one end that the opening is little faces into wind gap (6).
CN201921627681.9U 2019-09-27 2019-09-27 Dust collector of powder coating production usefulness Active CN210845607U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921627681.9U CN210845607U (en) 2019-09-27 2019-09-27 Dust collector of powder coating production usefulness

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921627681.9U CN210845607U (en) 2019-09-27 2019-09-27 Dust collector of powder coating production usefulness

Publications (1)

Publication Number Publication Date
CN210845607U true CN210845607U (en) 2020-06-26

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CN201921627681.9U Active CN210845607U (en) 2019-09-27 2019-09-27 Dust collector of powder coating production usefulness

Country Status (1)

Country Link
CN (1) CN210845607U (en)

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