CN112692733A - Carbon powder recovery device matched with automatic carbon brush grinding device - Google Patents
Carbon powder recovery device matched with automatic carbon brush grinding device Download PDFInfo
- Publication number
- CN112692733A CN112692733A CN202011431194.2A CN202011431194A CN112692733A CN 112692733 A CN112692733 A CN 112692733A CN 202011431194 A CN202011431194 A CN 202011431194A CN 112692733 A CN112692733 A CN 112692733A
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- Prior art keywords
- gear
- transmission shaft
- missing
- tooth
- filter
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
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- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention discloses a carbon powder recovery device matched with an automatic carbon brush grinding device, which belongs to an auxiliary structure of a carbon brush machine and comprises a filter cartridge, wherein the lower part of the filter cartridge is connected with a carbon powder recovery box, the upper part of the filter cartridge is provided with an air outlet, the air outlet is connected with a fan, a filter screen is arranged in the filter cartridge, a rapping impact bar is arranged above the filter screen, the rapping impact bar is rotationally connected with an impact bar support through a rotating shaft, the rotating shaft is provided with a torsional spring, the rotating shaft is also provided with a first gear, and the first gear is engaged and connected with a tooth-missing gear; this scheme can drive through the continuous motion of lacking tooth gear and shake and hit the pole interval striking filter screen to shake off the carbon dust, solved prior art, the unable problem of retrieving of separating of carbon dust among the automatic grinding device.
Description
Technical Field
The invention relates to an auxiliary structure of a carbon brush machine, in particular to a carbon powder recovery device matched with an automatic carbon brush grinding device.
Background
Carbon brushes are a sliding contact, which finds widespread use in many electrical devices; the carbon brush is a device for transmitting energy or signals between a fixed part and a rotating part of a motor or a generator or other rotating machinery, is generally made of pure carbon and a coagulant, is generally square in shape, is clamped on a metal bracket, is tightly pressed on a rotating shaft by a spring inside, and transmits electric energy to a coil through a phase changer when the motor rotates; in the process of manufacturing and molding the carbon brush, the carbon brush needs to be ground in a carbon brush molding machine, a large amount of carbon powder is generated in the process of grinding the carbon brush, and in the prior art, the ground carbon powder is directly discharged out of equipment, so that the surrounding environment is polluted, and the waste of materials is also caused.
For example, an intelligent carbon brush grinding device disclosed in chinese patent literature, which is disclosed under the publication No. CN209273190U, includes a box and a tool bit located inside the box, wherein a motor for driving the tool bit to rotate and an X-axis stepping mechanism for driving the tool bit to move along a horizontal X-direction are provided in the box, a clamp and a Y-axis stepping mechanism for driving the clamp to move along a horizontal Y-axis direction are provided below the tool bit of the box, a moving direction of the clamp is perpendicular to a moving direction of the tool bit, a carbon powder recovery system is provided at the bottom of the box, and a control system for adjusting the X-axis stepping mechanism and the Y-axis stepping mechanism is provided at the top of the box; the utility model discloses a reduce the processing degree of difficulty, alleviate intensity of labour, improve work efficiency's intelligent carbon brush grinder, then its weak point lies in, does not have the structure that carries out recovery processing to the carbon dust that produces in the carbon brush grinder, leads to the discharged carbon dust not only to pollute the surrounding environment, has still caused the waste of material.
Disclosure of Invention
The invention provides a carbon powder recovery device matched with an automatic carbon brush grinding device, which aims to overcome the defects that the discharged carbon powder pollutes the surrounding environment and causes material waste because the carbon powder grinding device has no structure for processing the carbon powder in the prior art, and can discharge and recover the carbon powder in the grinding device, thereby avoiding the accumulation of the carbon powder in the grinding device, saving the material and purifying the environment around equipment through the filtration and recovery of the carbon powder.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a carbon powder recovery device matched with an automatic carbon brush grinding device, which comprises a filter cylinder, wherein the lower part of the filter cylinder is connected with a carbon powder recovery box, the upper part of the filter cylinder is provided with an air outlet, the air outlet is connected with a fan, a filter screen is arranged in the filter cylinder, a rapping impact bar is arranged above the filter screen, a collision bar support is also fixedly arranged in the filter cylinder, the rapping impact bar is rotationally connected with the collision bar support through a rotating shaft, the rotating shaft is provided with a torsion spring, the rotating shaft is also provided with a first gear, and the first gear is in meshing connection with a tooth-lacking gear.
When the fan rotates, negative pressure can be formed in the filter cartridge, so that carbon powder in the automatic grinding device is sucked into the filter cartridge from the device, the carbon powder in the filter cartridge can fall downwards into the carbon powder recovery box, in order to avoid that part of the carbon powder escapes from an air outlet along with air flow, the environment is polluted, and even the carbon powder is rubbed with the fan to cause fire, the carbon powder in the air flow is filtered through the filter screen in the scheme, and in the process of long-time use, the carbon powder bonded on the filter screen can be continuously accumulated, so that the filtering effect is reduced; in the scheme, the filter screen is shaken at intervals by the rapping collision rods, so that carbon powder bonded on the filter screen is shaken off; in the process of rapping, the speed of requirement rapping the pole when striking the filter screen at every turn can not be too low, and the interval of striking can not be too short, realizes the process of rapping through the combination of scarce tooth gear and torsional spring in this scheme, when the torsional spring is in initial position, rapping the one end of pole with the filter screen contact, when scarce tooth gear rotates with first gear engagement, rapping the pole and leaving gradually the filter screen, when the contact department of scarce tooth gear and first gear is located scarce tooth part time-sharing, first gear no longer receives spacingly under the effect of torsional spring, rapid reverse motion makes rapping the pole and is in with great speed striking on the filter screen to shake off the carbon dust, this structure converts the interval motion of scarce tooth gear into through the design of beating subtlety, and the structure is comparatively simple, and the cost is lower.
Preferably, the fan is controlled to rotate by an output shaft of the motor, a second gear is further connected to the output shaft of the motor, and the second gear controls the gear with missing teeth to rotate by a gear transmission mechanism; in the scheme, the power of the motor for driving the fan is provided for the gear with missing teeth through the gear transmission mechanism, so that the cost is saved, the fan and the rapping device can work simultaneously, and the phenomenon that the rapping impact rod stops moving under the condition that the fan still runs to cause carbon powder to escape and abrade the fan or even cause fire is avoided.
Preferably, the first gear and the second gear are both bevel gears, the gear with missing teeth is a bevel gear with missing teeth, a first transmission shaft in the vertical direction is installed on the gear with missing teeth, a third gear is further installed on the first transmission shaft, a fourth gear is connected to the third gear in a meshing manner, a second transmission shaft in the vertical direction is installed on the fourth gear, a fifth gear is further installed on the second transmission shaft, the fifth gear is a bevel gear, a sixth gear is connected to the fifth gear in a meshing manner, the sixth gear is also a bevel gear, a third transmission shaft in the horizontal direction is installed on the sixth gear, the third transmission shaft is located in the air outlet, a seventh gear is further installed on the third transmission shaft, an eighth gear is connected to the seventh gear in a meshing manner, and a fourth transmission shaft in the horizontal direction is installed on the eighth gear, a ninth gear is further mounted on the fourth transmission shaft, is a bevel gear and is in meshed connection with the second gear; through the structure, the power transmission of the motor at the fan position can be transmitted to the gear without teeth by a stable structure, so that the gear without teeth and the fan can continuously rotate at the same time.
Preferably, the first gear and the second gear are both bevel gears, the gear with missing teeth is a bevel gear with missing teeth, a fifth transmission shaft in the vertical direction is mounted on the gear with missing teeth, a tenth gear is further mounted on the fifth transmission shaft, an eleventh gear is connected to the tenth gear in a meshing manner, a sixth transmission shaft in the horizontal direction is mounted on the eleventh gear, a twelfth gear is further mounted on the sixth transmission shaft in a meshing manner, a thirteenth gear is connected to the twelfth gear in a meshing manner, a seventh transmission shaft in the vertical direction is mounted on the thirteenth gear, a fourteenth gear is further mounted on the seventh transmission shaft in a meshing manner, the fourteenth gear is connected to the second gear in a meshing manner, and the tenth gear, the eleventh gear, the twelfth gear, the thirteenth gear and the fourteenth gear are all bevel gears; through the structure, the power transmission of the motor at the fan position can be transmitted to the gear without teeth by a stable structure, so that the gear without teeth and the fan can continuously rotate at the same time.
Preferably, the gear with missing teeth comprises a meshing part and a gear with missing teeth, and the gear with missing teeth is obtained by cutting off tooth shapes of a common gear at the gear with missing teeth; the gear lacking is obtained by simply processing the existing gear, and the cost is lower.
Preferably, both ends of the rapping impact rod are provided with rapping heads, filter screens are arranged above and below the rapping impact rod, and the midpoint of the rapping impact rod is connected with the rotating shaft; the top and the below of rapping the lance all are equipped with the filter screen, can improve the filter effect to the both ends of rapping the lance all are equipped with shakes and beat the head, can make its atress more even, and the structure is difficult to damage.
Preferably, a first bearing seat and a second bearing seat are further fixed in the filter cylinder, the first transmission shaft penetrates through the first bearing seat, and the second transmission shaft penetrates through the second bearing seat; the first bearing seat and the second bearing seat can enable the first transmission shaft and the second transmission shaft to move more stably and reliably.
Preferably, a third bearing seat is further fixed in the filter cartridge, the fifth transmission shaft penetrates through the third bearing seat, and the third bearing seat can enable the third transmission shaft to move more stably and reliably.
Preferably, the side wall of the filter cylinder is provided with an air inlet, and one end of the air inlet is provided with a dust hood; the dust hood can enable the device to be used in an open environment, and the efficiency of carbon powder suction is improved.
Therefore, the invention has the following beneficial effects: (1) the carbon powder in the grinding device can be discharged and recovered, so that the carbon powder in the grinding device is prevented from being accumulated, materials are saved and the environment around the equipment is purified by filtering and recovering the carbon powder; (2) the structure is simple, the operation is reliable, and the cost is lower; (3) can be connected with an automatic grinding device and can also be used in an open environment.
Drawings
Fig. 1 is a schematic cross-sectional structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic top view of a gear with missing teeth according to a first embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structural diagram of a second embodiment of the present invention.
In the figure: 1. the filter cartridge 2, the carbon powder recovery box 3, the air outlet 4, the fan 5, the air inlet 6, the filter screen 7, the rapping plunger 8, the plunger bracket 9, the rotating shaft 10, the first gear 11, the tooth-missing gear 12, the second gear 13, the first transmission shaft 14, the third gear 15, the fourth gear 16, the second transmission shaft 17, the fifth gear 18, the sixth gear 19, the third transmission shaft 20, the seventh gear 21, the eighth gear 22, the fourth transmission shaft 23, the ninth gear 24, the meshing part 25, the tooth-missing part 26, the first bearing seat 27, the second bearing seat 28, the first bearing seat 29, the fifth transmission shaft 30, the tenth gear 31, the eleventh gear 32, the sixth transmission shaft 33, the twelfth gear 34, the thirteenth gear 35, the seventh transmission shaft 36, the fourteenth gear 37, Third bearing seat 38, second bearing base 39, dust hood.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In a first embodiment, as shown in fig. 1 and 2, a carbon powder recovery device matched with an automatic carbon brush grinding device includes a filter cartridge 1, a carbon powder recovery box 2 is connected to the lower part of the filter cartridge, an air outlet 3 is arranged at the upper part of the filter cartridge, and a fan 4 is connected to the air outlet; the side surface of the filter cylinder is also provided with an air inlet 5 connected with the automatic grinding device; a filter screen 6 is arranged in the filter cylinder, and a rapping impact bar 7 is arranged above the filter screen; a striker bracket 8 is fixedly arranged in the filter cartridge, the rapping striker is rotationally connected with the striker bracket through a rotating shaft 9, a torsion spring is arranged on the rotating shaft, a first gear 10 is also arranged on the rotating shaft, and a tooth-missing gear 11 is connected to the first gear in a meshing manner; the fan is controlled to rotate through an output shaft of the motor, a second gear 12 is connected to the output shaft of the motor, and the second gear controls the gear with the missing teeth to rotate through a gear transmission mechanism; the first gear and the second gear are both bevel gears, the gear with missing teeth is a bevel gear with missing teeth, a first transmission shaft 13 in the vertical direction is installed on the gear with missing teeth, a third gear 14 is also installed on the first transmission shaft, a fourth gear 15 is connected on the third gear in a meshing manner, a second transmission shaft 16 in the vertical direction is installed on the fourth gear, a fifth gear 17 is also installed on the second transmission shaft, the fifth gear is a bevel gear, a sixth gear 18 is connected on the fifth gear in a meshing manner, the sixth gear is also a bevel gear, a third transmission shaft 19 in the horizontal direction is installed on the sixth gear, the third transmission shaft is positioned in the air outlet, a seventh gear 20 is also installed on the third transmission shaft, an eighth gear 21 is connected on the seventh gear in a meshing manner, and a fourth transmission shaft 22 in the horizontal direction is installed on the eighth gear, a ninth gear 23 is further mounted on the fourth transmission shaft, is a bevel gear and is in meshing connection with the second gear; the gear with the missing teeth comprises an engaging part 24 and a gear with the missing teeth part 25, and the gear with the missing teeth is obtained by cutting off the tooth form of a common gear at the gear with the missing teeth part; the two ends of the rapping impact rod are provided with rapping heads, filter screens are arranged above and below the rapping impact rod, and the midpoint of the rapping impact rod is connected with the rotating shaft; a first bearing seat 26 and a second bearing seat 27 are further fixed in the filter cartridge, the first transmission shaft penetrates through the first bearing seat, the second transmission shaft penetrates through the second bearing seat, the fan is installed in a fan box, a first bearing base 28 is further installed in the fan box, one end of the third transmission shaft is installed in the first bearing base, and thrust bearings are installed in the first bearing seat, the second bearing seat and the first bearing base; the diameter of the seventh gear is larger than that of the eighth gear, so that the speed reduction from the motor of the fan to the gear with missing teeth is realized.
When the air flow moves to the filter screen, the two parallel filter screens can filter the carbon powder in the air flow, so that the carbon powder is bonded on the filter screens; after being filtered by the filter screen, carbon powder hardly exists in the discharged gas; meanwhile, the fan is driven by the motor to rotate, an output shaft of the motor also drives the second gear to rotate while rotating, the second gear transmits power to the gear with missing teeth through a gear transmission mechanism, and when the gear with missing teeth is meshed with the first gear to rotate, the rotating shaft is driven to rotate anticlockwise, and the rapping head is enabled to leave the filter screen; when the tooth missing part moves to the joint with the first gear, the rotating shaft can be rapidly reset under the action of the torsion spring because the tooth of the first gear suddenly loses the limit, the vibration striking rod rotates, and the vibration striking head simultaneously impacts the filter screens at the upper side and the lower side to enable the carbon powder adhered on the filter screens to shake down into the carbon powder recovery box; the period of the filter screen hit by the rapping head can be controlled by the rotating speed of the motor and the transmission ratio of the seventh gear and the eighth gear, and the impact force during hitting can be controlled by the elastic coefficient of the torsion spring.
In the second embodiment, as shown in fig. 3, a carbon powder recycling device matched with an automatic carbon brush grinding device is different from the first embodiment in that the structure of the gear transmission mechanism is different, and the structure of the air inlet is different; the first gear and the second gear are both bevel gears, the gear with missing teeth is a bevel gear with missing teeth, a fifth transmission shaft 29 in the vertical direction is installed on the gear with missing teeth, a tenth gear 30 is further installed on the fifth transmission shaft, an eleventh gear 31 is connected to the tenth gear in a meshing manner, a sixth transmission shaft 32 in the horizontal direction is installed on the eleventh gear, a twelfth gear 33 is further installed on the sixth transmission shaft, a thirteenth gear 34 is connected to the twelfth gear in a meshing manner, a seventh transmission shaft 35 in the vertical direction is installed on the thirteenth gear, a fourteenth gear 36 is further installed on the seventh transmission shaft, the fourteenth gear is connected to the second gear in a meshing manner, the tenth gear, the eleventh gear, the twelfth gear, the thirteenth gear and the fourteenth gear are all bevel gears, a third bearing seat 37 is further fixed in the filter cylinder, the fifth transmission shaft penetrates through the third bearing seats, the number of the third bearing seats is two, a second bearing base 38 is further arranged at the left end of the sixth transmission shaft, and thrust bearings are mounted in the third bearing seat and the second bearing base; in addition, a dust hood 39 is also installed on the air inlet.
The difference between the using process of the second embodiment and the first embodiment is that the airflow with the carbon powder is sucked into the air inlet from the dust hood; in addition, the transmission process of the gear transmission mechanism is different from that of the first embodiment.
It should be noted that, although the first embodiment and the second embodiment specifically develop the specific structure of the gear transmission mechanism, since the gear transmission mechanism has a plurality of possible arrangement manners, the specific structures of the gear transmission mechanism cannot be listed one by one, and any scheme that transmits the motion of the second gear to the gear with missing teeth through the gear transmission mechanism and is different from the present application only in that the structure of the gear transmission mechanism is different should be within the protection scope of the present application.
Claims (9)
1. The utility model provides a with supporting carbon dust recovery unit of automatic grinder of carbon brush, characterized by, includes the cartridge filter, the sub-unit connection of cartridge filter has the carbon dust to retrieve the box, the upper portion of cartridge filter is equipped with the air outlet, air outlet department is connected with the fan, be equipped with the filter screen in the cartridge filter, the top of filter screen is equipped with shakes and beats the lance, still fixed mounting has the lance support in the cartridge filter, shake the lance through the pivot with the lance support rotates to be connected, be equipped with the torsional spring in the pivot, still install first gear in the pivot, the meshing is connected with the tooth-lacking gear on the first gear.
2. The dust remover as claimed in claim 1, wherein the fan is controlled by an output shaft of a motor, and a second gear is connected to the output shaft of the motor and controls the gear with missing teeth to rotate through a gear transmission mechanism.
3. The dust remover matched with the automatic carbon brush grinding device according to claim 2, wherein the first gear and the second gear are bevel gears, the gear with missing teeth is a bevel gear with missing teeth, a first transmission shaft in a vertical direction is installed on the gear with missing teeth, a third gear is further installed on the first transmission shaft, a fourth gear is connected on the third gear in a meshing manner, a second transmission shaft in a vertical direction is installed on the fourth gear, a fifth gear is further installed on the second transmission shaft, the fifth gear is a bevel gear, a sixth gear is connected on the fifth gear in a meshing manner, the sixth gear is also a bevel gear, a third transmission shaft in a horizontal direction is installed on the sixth gear, the third transmission shaft is located in the air outlet, a seventh gear is further installed on the third transmission shaft, and an eighth gear is connected on the seventh gear in a meshing manner, a fourth transmission shaft in the horizontal direction is installed on the eighth gear, a ninth gear is further installed on the fourth transmission shaft, and the ninth gear is a bevel gear and is in meshed connection with the second gear.
4. The dust remover matched with the automatic carbon brush grinding device according to claim 2, wherein the first gear and the second gear are bevel gears, the tooth-missing gear is a tooth-missing bevel gear, a vertical fifth transmission shaft is installed on the tooth-missing gear, a tenth gear is further installed on the fifth transmission shaft, an eleventh gear is connected on the tenth gear in a meshed manner, a horizontal sixth transmission shaft is installed on the eleventh gear, a twelfth gear is further installed on the sixth transmission shaft, a thirteenth gear is connected on the twelfth gear in a meshed manner, a vertical seventh transmission shaft is installed on the thirteenth gear, a fourteenth gear is further installed on the seventh transmission shaft, the fourteenth gear is connected with the second gear in a meshed manner, and the tenth gear, the eleventh gear, the twelfth gear, a vertical seventh transmission shaft, The thirteenth gear and the fourteenth gear are both bevel gears.
5. The dust remover as claimed in claim 1, wherein the gear having a missing tooth includes a mesh portion and a missing tooth portion, and the missing tooth gear is obtained by cutting off a tooth shape of a normal gear at the missing tooth portion.
6. The dust remover as claimed in any one of claims 1 to 4, wherein the rapping striking rod is provided with rapping heads at both ends thereof, the rapping striking rod is provided with filter screens above and below the rapping striking head, and the midpoint of the rapping striking rod is located at the position where the rotating shaft is connected.
7. The dust remover as claimed in claim 3, wherein a first bearing seat and a second bearing seat are further fixed in the filter cartridge, the first transmission shaft passes through the first bearing seat, and the second transmission shaft passes through the second bearing seat.
8. The dust remover as claimed in claim 4, wherein a third bearing seat is further fixed in the filter cartridge, and the fifth transmission shaft passes through the third bearing seat.
9. The dust remover as claimed in claim 1, wherein an air inlet is formed in a side wall of the filter cartridge, and a dust hood is installed at one end of the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431194.2A CN112692733B (en) | 2020-12-07 | 2020-12-07 | Carbon powder recovery device matched with automatic carbon brush grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011431194.2A CN112692733B (en) | 2020-12-07 | 2020-12-07 | Carbon powder recovery device matched with automatic carbon brush grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112692733A true CN112692733A (en) | 2021-04-23 |
| CN112692733B CN112692733B (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011431194.2A Active CN112692733B (en) | 2020-12-07 | 2020-12-07 | Carbon powder recovery device matched with automatic carbon brush grinding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112692733B (en) |
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| CN111347311A (en) * | 2020-03-02 | 2020-06-30 | 祥龙科技(深圳)有限公司 | PCB substrate burr clearing device for electronic equipment production |
| CN111774395A (en) * | 2020-05-28 | 2020-10-16 | 吴迪 | Textile dust collecting device for textile equipment and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200156286A1 (en) * | 2008-07-03 | 2020-05-21 | JPL Global, LLC | Rotatable filter system and methodology |
| CN205765628U (en) * | 2016-05-19 | 2016-12-07 | 窦敏江 | A kind of polisher collecting slag charge |
| CN208222551U (en) * | 2018-05-24 | 2018-12-11 | 浙江安吉天子湖热电有限公司 | A kind of pipeline deashing device |
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| CN209917487U (en) * | 2019-05-09 | 2020-01-10 | 薛经宏 | Environment-friendly dust removal device for production and processing |
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| CN111774395A (en) * | 2020-05-28 | 2020-10-16 | 吴迪 | Textile dust collecting device for textile equipment and use method |
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| CN112692733B (en) | 2022-07-19 |
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