CN213739785U - Dust collection device is used in eiderdown processing - Google Patents
Dust collection device is used in eiderdown processing Download PDFInfo
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- CN213739785U CN213739785U CN202022211696.6U CN202022211696U CN213739785U CN 213739785 U CN213739785 U CN 213739785U CN 202022211696 U CN202022211696 U CN 202022211696U CN 213739785 U CN213739785 U CN 213739785U
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Abstract
The utility model discloses a dust collection device is used in eiderdown processing, including clean room, separate a section of thick bamboo, motor, sealed lid and exhaust fan, its characterized in that: the clean room setting on the support, be provided with a feeding section of thick bamboo, dust collection room at the clean room top, separate the vertical setting of a section of thick bamboo in the clean room to seted up the small opening on separating a section of thick bamboo, the motor setting at the clean room top, be provided with the transmission shaft on the motor, with the vertical dust removal room that stretches into of transmission shaft in to be provided with connecting rod, puddler on the transmission shaft, sealed lid activity set up on the dust collection room to be provided with the exhaust pipe on sealed covering, the exhaust fan setting in the exhaust pipe. The utility model discloses a transmission shaft drives the scraper blade rotation on connecting rod and the connecting rod, makes the scraper blade scrape down the eiderdown on separating a section of thick bamboo inner wall, avoids the eiderdown to adsorb and causes the jam to the small opening on separating a section of thick bamboo internal surface, has not only improved the dust collection efficiency of eiderdown, has also reduced the waste of eiderdown.
Description
Technical Field
The utility model relates to a eiderdown processing technology field specifically relates to a dust collection device is used in eiderdown processing.
Background
At present, due to the advantages of light weight and good heat retention, the down feather is widely used in industries such as clothes, home textiles and the like. In the down feather processing process, impurities such as dust and the like are mixed in the down feather, in order to improve the quality of the down feather, the down feather is subjected to dust removal treatment, and the problems of poor dust removal quality and low environmental protection performance exist in the existing down feather dust removal process. For example, patent No. 201620174364.6 discloses a vertical eiderdown dust separator, which solves the problem that dust can not be collected, but has the problems of low dust removal quality, low working efficiency and low environmental protection performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dust collection device is used in eiderdown processing that structural design is reasonable, the dust removal is of high quality, work efficiency is low, the problem that environmental protection performance is not high to the dust removal quality that eiderdown removed the dust and exists, provide a work efficiency height, environmental protection performance height.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a dust collection device is used in eiderdown processing, includes clean room, separates a section of thick bamboo, motor, sealed lid and exhaust fan, its characterized in that: the dust removal chamber is arranged on the support, the top of the dust removal chamber is provided with the feeding barrel and the dust collection chamber, the bottom of the dust removal chamber is provided with the discharging bin, the dust removal chamber is connected with the support, the feeding barrel, the dust collection chamber and the discharging bin in a welding manner, the connection strength between the dust removal chamber and the support, the feeding barrel, the dust collection chamber and the discharging bin is enhanced, and further the structural strength of the dust collection device is improved, the partition barrel is vertically arranged in the dust removal chamber and provided with a leak hole, an exhaust fan in the exhaust pipe exhausts airflow in the dust collection chamber, negative pressure is generated in the dust collection chamber, so that airflow in a space between the inner wall of the dust removal chamber and the outer wall of the partition barrel enters the dust collection chamber through the vent pipe, and the airflow in the partition barrel carries dust separated from down feather and flows into the space between the inner wall of the dust removal chamber and the outer wall of the partition barrel through the leak hole, the dust finally flows into the dust collecting chamber, the purpose of collecting the dust is realized, the working efficiency is improved, the motor is arranged at the top of the dust collecting chamber, the transmission shaft is arranged on the motor and vertically extends into the dust collecting chamber, the transmission shaft is provided with the connecting rod and the stirring rod, the motor drives the transmission shaft to rotate, the transmission shaft drives the scraper blades on the connecting rod and the connecting rod to rotate, so that the scraper blades scrape down on the inner wall of the separating cylinder, the down is prevented from being adsorbed on the inner surface of the separating cylinder to block a leakage hole, the dust collecting efficiency of the down is improved, the waste of the down is also reduced, the transmission shaft drives the stirring rod and the ball body on the stirring rod to rotate, the ball body breaks up the clustered down, the down is quickly separated from the dust, the dust collecting efficiency and the dust collecting effect of the down are improved, and the sealing cover is movably arranged on the dust collecting chamber, an exhaust pipe is arranged on the sealing cover, and the exhaust fan is arranged in the exhaust pipe.
Preferably, the motor is a servo motor, the motor drives the transmission shaft to rotate in the forward direction or the reverse direction, and the transmission shaft drives the connecting rod and the stirring rod to rotate in the forward direction or the reverse direction, so that the stirring rod fully stirs down feather in the separating cylinder, the down feather is conveniently separated from dust, and the dust removal efficiency and the dust removal effect of the down feather are improved.
Preferably, the transmission epaxial connecting rod and the connecting rod between be provided with the scraper blade to be provided with the spheroid on the puddler of transmission shaft, the motor drives the transmission shaft rotatory, the transmission shaft drives the scraper blade rotation on connecting rod and the connecting rod, make the scraper blade scrape down on separating a section of thick bamboo inner wall, avoid down to adsorb and lead to the fact the jam to the small opening on separating a section of thick bamboo internal surface, the dust collection efficiency of down has not only been improved, the waste of down has also been reduced, the transmission shaft drives the spheroid rotation on puddler and the puddler, make the spheroid break up the down that becomes a group, realize down and dust quickly separating, and then improve the dust collection efficiency and the dust removal effect of down.
Preferably, the sealing cover is of a structure which can be taken down from the dust collecting chamber, the sealing cover is connected with the dust collecting chamber through threads, an exhaust fan in an exhaust pipe discharges air flow in the dust collecting chamber, negative pressure is generated in the dust collecting chamber, air flow in a space between the inner wall of the dust collecting chamber and the outer wall of the separating cylinder enters the dust collecting chamber through the ventilation pipe, and therefore the air flow in the separating cylinder carries dust separated from down feather and flows into the space between the inner wall of the dust collecting chamber and the outer wall of the separating cylinder through the leakage hole, the dust finally flows into the dust collecting chamber, the purpose of collecting the dust is achieved, the working efficiency is improved, the labor intensity of operators is reduced, the sealing cover is taken down from the dust collecting chamber, and the collected dust is convenient to treat.
Preferably, the dust collecting chamber pass through the ventilation pipe and be connected with the clean room top, and be provided with transverse structure's filter screen in the dust collecting chamber, the exhaust fan in the exhaust pipe is with the indoor air current discharge of dust collecting, produce the negative pressure in the dust collecting chamber, make the air current in the space between clean room inner wall and the partition wall enter into the dust collecting chamber through the ventilation pipe, thereby make the air current in the partition wall carry with the dust of eiderdown separation flow in the space between clean room inner wall and the partition wall through the small opening, make the dust finally flow in the dust collecting chamber, can play the effect of blockking to the dust through the filter screen, make the dust stop in the dust collecting chamber, the air current is discharged from the exhaust pipe after filtering through the filter screen, avoid the dust direct emission, the switching-over performance has been improved.
Preferably, the discharging bin is provided with a valve, the valve on the discharging bin is closed in the down feather dedusting process, the down feather in the dedusting process is prevented from flowing out, the waste of the down feather is reduced, and after the down feather dedusting is completed, the valve is opened, so that the down feather after dedusting is rapidly discharged from the discharging bin, and the working efficiency is improved.
Has the advantages that: the utility model discloses an exhaust fan in the exhaust pipe is with the indoor air current discharge of dust collection, the indoor negative pressure that produces of dust collection, make the air current in the space between dust removal chamber inner wall and the partition tube outer wall enter into the dust collection indoorly through the ventilation pipe, thereby make the air current in the partition tube carry with the dust of eiderdown separation flow in the space between dust removal chamber inner wall and the partition tube outer wall through the small opening, make the dust finally flow in the dust collection room, can play the effect of blockking to the dust through the filter screen, make the dust stop in the dust collection room, the air current is discharged from the exhaust pipe after the filter screen filters, avoid the dust directly to discharge, the switching-over performance has been improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the connecting rod and the scraper.
Fig. 4 is a schematic view of a part of the structure of the present invention, illustrating the connection structure of the transmission shaft and the stirring rod.
Fig. 5 is a schematic view of another embodiment of the present invention.
In the figure: 1. the dust collector comprises a dust removing chamber, a separating cylinder 2, a motor 3, a sealing cover 4, an exhaust fan 5, a support 6, a feeding cylinder 7, a dust collecting chamber 8, a discharging bin 9, a valve 10, a vent pipe 11, a filter screen 12, a leakage hole 13, a transmission shaft 14, a connecting rod 15, a stirring rod 16, a scraping plate 17, a ball 18, an exhaust pipe 19, a guide plate 20 and a hairbrush strip 21.
Detailed Description
The first embodiment is as follows:
as shown in figures 1-4: the utility model provides a dust collection device is used in eiderdown processing, includes clean room 1, separates a section of thick bamboo 2, motor 3, sealed lid 4 and exhaust fan 5, its characterized in that: dust removal chamber 1 set up on support 6, be provided with feed cylinder 7, dust collection room 8 at dust removal chamber 1 top, and be provided with out feed bin 9 in dust removal chamber 1 bottom, with dust removal chamber 1 and support 6, feed cylinder 7, dust collection room 8, go out through welded connection between the feed bin 9, strengthen the joint strength between dust removal chamber 1 and support 6, feed cylinder 7, dust collection room 8, play feed bin 9, and then improve dust collection device's structural strength, partition section of thick bamboo 2 vertical setting in dust removal chamber 1, and seted up small opening 13 on partition section of thick bamboo 2, exhaust fan 5 in the exhaust pipe 19 discharges the air current in the dust collection chamber 8, produces the negative pressure in the dust collection chamber 8, make the air current in the space between dust removal chamber 1 inner wall and partition section of thick bamboo 2 outer wall enter into in the dust collection chamber 8 through ventilation pipe 11, thereby make the air current in partition section of thick bamboo 2 carry with the dust that the eiderdown separation flow into the space between dust removal chamber 1 inner wall and partition section of thick bamboo 2 outer wall through small opening 13 and flow into the space between dust removal chamber 1 inner wall and partition section of thick bamboo 2 outer wall In, make the dust finally flow into the dust collection room 8, has realized the purpose of collecting the dust, has improved work efficiency, the said motor 3 set up in the top of clean room 1, there are drive shafts 14 on the motor 3, stretch the drive shaft 14 vertically into the clean room 1, and there are connecting rods 15, puddler 16 on the drive shaft 14, the motor 3 drives the drive shaft 14 to rotate, the drive shaft 14 drives the connecting rod 15 and scraper 17 on the connecting rod 15 to rotate, make the scraper 17 scrape down on the inner wall of the separating cylinder 2, avoid the down to adsorb and cause the jam to the leak hole 13 on the inner surface of the separating cylinder 2, not only has improved the dust collection efficiency of the down, can also reduce the waste of the down, the drive shaft 14 drives the spheroid 18 on puddler 16 and the puddler 16 to rotate, make the spheroid 18 break up the agglomerated down, realize the down and dust quick separation, and then improve the dust collection efficiency and dust removal effect of the down, the sealing cover 4 is movably arranged on the dust collecting chamber 8, an exhaust pipe 19 is arranged on the sealing cover 4, and the exhaust fan 5 is arranged in the exhaust pipe 19.
Preferably, the motor 3 is a servo motor 3, the motor 3 drives the transmission shaft 14 to rotate in the forward direction or the reverse direction, and the transmission shaft 14 drives the connecting rod 15 and the stirring rod 16 to rotate in the forward direction or the reverse direction, so that the stirring rod 16 fully stirs down feather in the separating cylinder 2, the down feather is conveniently separated from dust, and the dust removal efficiency and the dust removal effect of the down feather are improved.
Preferably, a scraper 17 is arranged between the connecting rod 15 and the connecting rod 15 on the transmission shaft 14, and a ball 18 is arranged on the stirring rod 16 of the transmission shaft 14, the motor 3 drives the transmission shaft 14 to rotate, the transmission shaft 14 drives the connecting rod 15 and the scraper 17 on the connecting rod 15 to rotate, so that the scraper 17 scrapes down on the inner wall of the separating cylinder 2, the down is prevented from being adsorbed on the inner surface of the separating cylinder 2 to block the leakage hole 13, the dust removal efficiency of the down is improved, the waste of the down is reduced, the transmission shaft 14 drives the stirring rod 16 and the ball 18 on the stirring rod 16 to rotate, the ball 18 breaks up the clustered down, the down is quickly separated from dust, and the dust removal efficiency and the dust removal effect of the down are improved.
Preferably, the sealing cover 4 is set to be of a structure which can be taken down from the dust collection chamber 8, the sealing cover 4 is connected with the dust collection chamber 8 through threads, the exhaust fan 5 in the exhaust pipe 19 discharges airflow in the dust collection chamber 8, negative pressure is generated in the dust collection chamber 8, the airflow in the space between the inner wall of the dust collection chamber 1 and the outer wall of the partition cylinder 2 enters the dust collection chamber 8 through the ventilation pipe 11, and therefore the airflow in the partition cylinder 2 carries dust separated from down feather and flows into the space between the inner wall of the dust collection chamber 1 and the outer wall of the partition cylinder 2 through the leakage hole 13, and the dust finally flows into the dust collection chamber 8, so that the purpose of collecting the dust is achieved, the working efficiency is improved, the labor intensity of operators is reduced, the sealing cover 4 is taken down from the dust collection chamber 8, and the collected dust is convenient to process.
Preferably, the dust collection chamber 8 is connected with the top of the dust collection chamber 1 through a ventilation pipe 11, a filter screen 12 with a transverse structure is arranged in the dust collection chamber 8, an exhaust fan 5 in an exhaust pipe 19 exhausts airflow in the dust collection chamber 8, negative pressure is generated in the dust collection chamber 8, so that the airflow in the space between the inner wall of the dust collection chamber 1 and the outer wall of the partition 2 enters the dust collection chamber 8 through the ventilation pipe 11, so that the dust separated from the down feather carried by the airflow in the separating cylinder 2 flows into the space between the inner wall of the dust removing chamber 1 and the outer wall of the separating cylinder 2 through the leakage holes 13, the dust finally flows into the dust collecting chamber 8, can play the effect of blockking to the dust through filter screen 12, make the dust stop in dust collection room 8, the air current is discharged from exhaust pipe 19 after filter 12 filters, avoids the dust direct emission, has improved the switching-over performance.
Preferably, the discharging bin 9 is provided with a valve 10, in the down feather dust removal process, the valve 10 on the discharging bin 9 is closed, the down feather in the dust removal process is prevented from flowing out, the waste of the down feather is reduced, and after the down feather dust removal is completed, the valve 10 is opened, so that the down feather after dust removal is rapidly discharged from the discharging bin 9, and the working efficiency is improved.
Example two:
as shown in fig. 5: the utility model provides a dust collection device is used in eiderdown processing, includes clean room 1, separates a section of thick bamboo 2, motor 3, sealed lid 4 and exhaust fan 5, its characterized in that: dust removal chamber 1 set up on support 6, be provided with feed cylinder 7, dust collection room 8 at dust removal chamber 1 top, and be provided with out feed bin 9 in dust removal chamber 1 bottom, with dust removal chamber 1 and support 6, feed cylinder 7, dust collection room 8, go out through welded connection between the feed bin 9, strengthen the joint strength between dust removal chamber 1 and support 6, feed cylinder 7, dust collection room 8, play feed bin 9, and then improve dust collection device's structural strength, partition section of thick bamboo 2 vertical setting in dust removal chamber 1, and seted up small opening 13 on partition section of thick bamboo 2, exhaust fan 5 in the exhaust pipe 19 discharges the air current in the dust collection chamber 8, produces the negative pressure in the dust collection chamber 8, make the air current in the space between dust removal chamber 1 inner wall and partition section of thick bamboo 2 outer wall enter into in the dust collection chamber 8 through ventilation pipe 11, thereby make the air current in partition section of thick bamboo 2 carry with the dust that the eiderdown separation flow into the space between dust removal chamber 1 inner wall and partition section of thick bamboo 2 outer wall through small opening 13 and flow into the space between dust removal chamber 1 inner wall and partition section of thick bamboo 2 outer wall In, make the dust finally flow into the dust collection room 8, has realized the purpose of collecting the dust, has improved work efficiency, the said motor 3 set up in the top of clean room 1, there are drive shafts 14 on the motor 3, stretch the drive shaft 14 vertically into the clean room 1, and there are connecting rods 15, puddler 16 on the drive shaft 14, the motor 3 drives the drive shaft 14 to rotate, the drive shaft 14 drives the connecting rod 15 and scraper 17 on the connecting rod 15 to rotate, make the scraper 17 scrape down on the inner wall of the separating cylinder 2, avoid the down to adsorb and cause the jam to the leak hole 13 on the inner surface of the separating cylinder 2, not only has improved the dust collection efficiency of the down, can also reduce the waste of the down, the drive shaft 14 drives the spheroid 18 on puddler 16 and the puddler 16 to rotate, make the spheroid 18 break up the agglomerated down, realize the down and dust quick separation, and then improve the dust collection efficiency and dust removal effect of the down, the sealing cover 4 is movably arranged on the dust collecting chamber 8, an exhaust pipe 19 is arranged on the sealing cover 4, and the exhaust fan 5 is arranged in the exhaust pipe 19.
Preferably, the motor 3 is a servo motor 3, the motor 3 drives the transmission shaft 14 to rotate in the forward direction or the reverse direction, and the transmission shaft 14 drives the connecting rod 15 and the stirring rod 16 to rotate in the forward direction or the reverse direction, so that the stirring rod 16 fully stirs down feather in the separating cylinder 2, the down feather is conveniently separated from dust, and the dust removal efficiency and the dust removal effect of the down feather are improved.
Preferably, a scraper 17 is arranged between the connecting rod 15 and the connecting rod 15 on the transmission shaft 14, and a ball 18 is arranged on the stirring rod 16 of the transmission shaft 14, the motor 3 drives the transmission shaft 14 to rotate, the transmission shaft 14 drives the connecting rod 15 and the scraper 17 on the connecting rod 15 to rotate, so that the scraper 17 scrapes down on the inner wall of the separating cylinder 2, the down is prevented from being adsorbed on the inner surface of the separating cylinder 2 to block the leakage hole 13, the dust removal efficiency of the down is improved, the waste of the down is reduced, the transmission shaft 14 drives the stirring rod 16 and the ball 18 on the stirring rod 16 to rotate, the ball 18 breaks up the clustered down, the down is quickly separated from dust, and the dust removal efficiency and the dust removal effect of the down are improved.
Preferably, the sealing cover 4 is set to be of a structure which can be taken down from the dust collection chamber 8, the sealing cover 4 is connected with the dust collection chamber 8 through threads, the exhaust fan 5 in the exhaust pipe 19 discharges airflow in the dust collection chamber 8, negative pressure is generated in the dust collection chamber 8, the airflow in the space between the inner wall of the dust collection chamber 1 and the outer wall of the partition cylinder 2 enters the dust collection chamber 8 through the ventilation pipe 11, and therefore the airflow in the partition cylinder 2 carries dust separated from down feather and flows into the space between the inner wall of the dust collection chamber 1 and the outer wall of the partition cylinder 2 through the leakage hole 13, and the dust finally flows into the dust collection chamber 8, so that the purpose of collecting the dust is achieved, the working efficiency is improved, the labor intensity of operators is reduced, the sealing cover 4 is taken down from the dust collection chamber 8, and the collected dust is convenient to process.
Preferably, the dust collection chamber 8 is connected with the top of the dust collection chamber 1 through a ventilation pipe 11, a filter screen 12 with a transverse structure is arranged in the dust collection chamber 8, an exhaust fan 5 in an exhaust pipe 19 exhausts airflow in the dust collection chamber 8, negative pressure is generated in the dust collection chamber 8, so that the airflow in the space between the inner wall of the dust collection chamber 1 and the outer wall of the partition 2 enters the dust collection chamber 8 through the ventilation pipe 11, so that the dust separated from the down feather carried by the airflow in the separating cylinder 2 flows into the space between the inner wall of the dust removing chamber 1 and the outer wall of the separating cylinder 2 through the leakage holes 13, the dust finally flows into the dust collecting chamber 8, can play the effect of blockking to the dust through filter screen 12, make the dust stop in dust collection room 8, the air current is discharged from exhaust pipe 19 after filter 12 filters, avoids the dust direct emission, has improved the switching-over performance.
Preferably, the discharging bin 9 is provided with a valve 10, in the down feather dust removal process, the valve 10 on the discharging bin 9 is closed, the down feather in the dust removal process is prevented from flowing out, the waste of the down feather is reduced, and after the down feather dust removal is completed, the valve 10 is opened, so that the down feather after dust removal is rapidly discharged from the discharging bin 9, and the working efficiency is improved.
Preferably, the guide plate 20 is arranged at the bottom in the dust removal chamber 1 in the partition barrel 2, the guide plate 20 is arranged to be of an arc-shaped structure, the guide plate 20 is connected with the top edge of the discharge bin 9, the down feather after dust removal is guided to the discharge bin 9 through the guide plate 20 and is discharged quickly through the discharge bin 9, the work efficiency of down feather dust removal is improved, the down feather after dust removal is prevented from being produced and remained in the dust removal chamber 1, and the waste of the down feather is reduced.
Preferably, the edge of the scraping plate 17 is provided with the brush strip 21, the scraping plate 17 can scrape down feather adsorbed on the inner surface of the separating cylinder 2 sufficiently through the brush strip 21, the down feather is prevented from being adsorbed on the inner surface of the separating cylinder 2 to block the leakage hole 13, the dust removal efficiency of the down feather is improved, and the waste of the down feather can be reduced.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
In the 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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (6)
1. The utility model provides a dust collection device is used in eiderdown processing, includes clean room, separates a section of thick bamboo, motor, sealed lid and exhaust fan, its characterized in that: the clean room setting on the support, be provided with feed cylinder, dust collection room at the clean room top to be provided with out the feed bin bottom the clean room, the vertical setting of a section of thick bamboo that separates in the clean room to seted up the small opening on separating a section of thick bamboo, the motor setting at the clean room top, be provided with the transmission shaft on the motor, with the vertical dust removal of stretching into of transmission shaft in to be provided with connecting rod, puddler on the transmission shaft, sealed lid activity set up on the dust collection room to be provided with the exhaust pipe sealed covering, the exhaust fan setting in exhaust pipe.
2. The dust collecting device for down processing as set forth in claim 1, wherein: the motor is set as a servo motor.
3. The dust collecting device for down processing as set forth in claim 1, wherein: a scraper is arranged between the connecting rod on the transmission shaft and the connecting rod, and a ball body is arranged on the stirring rod of the transmission shaft.
4. The dust collecting device for down processing as set forth in claim 1, wherein: the sealing cover is arranged into a structure which can be taken down from the dust collecting chamber.
5. The dust collecting device for down processing as set forth in claim 1, wherein: the dust collecting chamber is connected with the top of the dust removing chamber through a vent pipe, and a filter screen with a transverse structure is arranged in the dust collecting chamber.
6. The dust collecting device for down processing as set forth in claim 1, wherein: the discharging bin is provided with a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022211696.6U CN213739785U (en) | 2020-10-04 | 2020-10-04 | Dust collection device is used in eiderdown processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022211696.6U CN213739785U (en) | 2020-10-04 | 2020-10-04 | Dust collection device is used in eiderdown processing |
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| Publication Number | Publication Date |
|---|---|
| CN213739785U true CN213739785U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022211696.6U Active CN213739785U (en) | 2020-10-04 | 2020-10-04 | Dust collection device is used in eiderdown processing |
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| CN (1) | CN213739785U (en) |
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- 2020-10-04 CN CN202022211696.6U patent/CN213739785U/en active Active
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