CN108486714A - The processing unit (plant) and method of air-jet eddy-current mixed yarn - Google Patents
The processing unit (plant) and method of air-jet eddy-current mixed yarn Download PDFInfo
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- CN108486714A CN108486714A CN201810380989.1A CN201810380989A CN108486714A CN 108486714 A CN108486714 A CN 108486714A CN 201810380989 A CN201810380989 A CN 201810380989A CN 108486714 A CN108486714 A CN 108486714A
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- mixed yarn
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Classifications
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The present invention relates to a kind of processing unit (plant)s and method of air-jet eddy-current mixed yarn, it is characterized in that：Including binary channels drafting unit, binary channels drafting unit includes the front roller group being made of the first front roller and the second front roller, the middle roller group being made of the first middle roller and the second middle roller, the rear roller group being made of the first rear roller and the second rear roller, and the speed ratio of the first front roller, the first middle roller and the first rear roller and the speed ratio of the second front roller, the second middle roller and the second rear roller are adjustable online；Binary channels horn mouth buncher is installed between first front roller and the outlet and nozzle entrance of the second front roller, binary channels horn mouth buncher includes first passage and second channel, first passage is conllinear with nozzle entrance, guiding needle, air-flow twisting chamber, the central axis of hollow ingot doffing tube, and horizontal spacing is equipped between second channel and first passage.The present invention realizes two component fibre blending ratios of air-jet eddy-current mixed yarn and its online regulation and control of ectonexine distribution.
Description
Technical field
The present invention relates to a kind of processing unit (plant)s and method of air-jet eddy-current mixed yarn, belong to textile technology field.
Background technology
The spinning process of air-jet eddy-current spinning is as follows：Compressed air tangentially sprays into air-flow twisting through four spray orifices along nozzle inner walls
Chamber forms three-dimensional high-speed and rotates strong negative pressure vortex field, air-flow twist the air velocity of intracavitary in axial centerline relatively low, surrounding
The higher U-shaped regularity of distribution in position（Han CC, Xue WL and Cheng LD, Textile Res J, 86(14):
1498-1506, 2016）；After basis weight of fiber yarn after drafting process enters air-flow twisting chamber by nozzle entrance, it is located at
The fiber of axial centerline is vulnerable to the guiding of guiding needle and the suction-operated of negative pressure vortex field enters directly into hollow ingot and draws
Core fibre is formed inside spool, and yarn internal layer is distributed at stretched straight parallel state；Positioned at surrounding position fiber front end easily with
The guiding and the negative pressure vortex field suction-operated at axial centerline for guiding needle enter in hollow ingot doffing tube, fiber tail end
After the gripping for being detached from front roller, it is vulnerable to the vortex field centrifugal action at surrounding position and forms free end, and with vortex one
With rotation, equably it is wrapped on core fibre, is distributed in yarn outer layer.Air injection air vortex spinning technology is rotated using three-dimensional high-speed
Vortex twists a kind of semi-free end Yarn spinning method of free tail end fiber and resultant yarn instead of machinery rotation part, has short route, height
The advantages that speed, automation, ecological, environmental protective, it is considered to be the spinning technique of 21 century most foreground.
Mixed yarn refers to the yarn that spinning is mixed in a certain ratio by the fiber of two or more different component, jet
The current fiber mixing of vortex mixed yarn technology relates only to process before spinning and carries out, such as：Authorized announcement date is 2017 2
The moon 22, Authorization Notice No. CN104480592B, entitled " a kind of scribbled and producer containing 11 kinds of different fibers
The Chinese invention patent of method " discloses a kind of method producing the blended air-jet eddy-current spinning scribbled of multicomponent fiber, wherein
Multicomponent fiber needs the complicated technological processes such as mixed through cotton packet, silver lap is mixed, sliver is mixed, low production efficiency before spinning.It is raw at present
The main problem of production air-jet eddy-current mixed yarn is to cannot achieve fiber blend in yarn than the online tune that is distributed with fiber ectonexine
Control.
Invention content
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of processing dress of air-jet eddy-current mixed yarn is provided
It sets and method, realizes two component fibre blending ratios of air-jet eddy-current mixed yarn and its online regulation and control of ectonexine distribution.
According to technical solution provided by the invention, a kind of processing unit (plant) of air-jet eddy-current mixed yarn, it is characterized in that：Including double
Channel drafting unit, binary channels drafting unit include the front roller group being made of the first front roller and the second front roller, by first
The middle roller group of middle roller and the second middle roller composition, the rear roller group being made of the first rear roller and the second rear roller, first
The speed of the speed ratio of front roller, the first middle roller and the first rear roller and the second front roller, the second middle roller and the second rear roller
Degree is more adjustable than online；Binary channels horn mouth is installed between first front roller and the outlet and nozzle entrance of the second front roller
Buncher, the binary channels horn mouth buncher include first passage and second channel, and first passage and nozzle entrance guide
Needle, air-flow twist chamber, the central axis of hollow ingot doffing tube is in conllinear, are equipped with centainly between second channel and first passage
Horizontal spacing.
Further, the horizontal spacing that width is 1.5-2mm is equipped between the second channel and first passage.
Further, in the binary channels drafting unit, the first front roller, the first middle roller and the first rear roller roller
Centre-to-centre spacing is 44-45mm × 67-68mm, and roller gauge is 38-39mm × 42-43mm.
Further, the ratch of second front roller, the second middle roller and the second rear roller be 44-45mm ×
67-68mm, roller gauge are 38-39mm × 42-43mm.
Further, in the binary channels horn mouth buncher, the inlet diameter of first passage is 10-15mm, and outlet is straight
Diameter is 5-8mm, length 10-11mm.
Further, the inlet diameter of the second channel is 10-15mm, outlet diameter 5-8mm, length 10-
11mm。
The processing method of the gas eddy stream mixed yarn, it is characterized in that：Including binary channels drawing-off, air-flow twisting and draw yarn reel
Around；
The binary channels drawing-off regulates and controls the first staple fiber yarn and the second staple fiber yarn respectively using binary channels drafting unit
Drafting multiple and feeding speed, two component fibre blending ratios of the final air-jet eddy-current mixed yarn of Configuration Online；
The air-flow twisting controls the first staple fiber yarn and the feeding of the second staple fiber yarn using binary channels horn mouth buncher
The position of nozzle entrance regulates and controls the inside and outside distribution of two component fibres of final air-jet eddy-current spinning mixed yarn, through binary channels drawing-off online
Quantitative first staple fiber yarn after first front roller of unit, the first middle roller and the first rear roller drawing-off is by binary channels loudspeaker
The first passage of mouth buncher feeds nozzle entrance, is located at axial centerline by air-flow twisting intracavitary high speed rotation vortex suction
Attached effect is guided needle and accurately introduces hollow ingot doffing tube formation core fibre, air-jet eddy-current is distributed in stretched straight parallel state
Mixed yarn internal layer, quantitative the after the second front roller of binary channels drafting unit, the second middle roller and the second rear roller drawing-off
Two staple fiber yarns feed nozzle entrance by the second channel of binary channels horn mouth buncher, are located off central axis 1.5-
The parallel position of 2mm is acted on forming free tail end by air-flow twisting intracavitary high speed rotation vortex centrifugal, is rotated together with vortex,
It is equably wrapped on core fibre, is distributed in the blended external layer of yarn of air-jet eddy-current.
Further, the first staple fiber yarn is cotton fiber yarn, regular roving feeding 3.8-5.0g/10m, total draft
Multiple is 220-350, and dominant draft multiple is 35-44, and feeding is than being 0.96-0.98, and winding is than being 0.98-1.02.
Further, the second staple fiber yarn is viscose rayon yarn, and regular roving feeding 3.8-5.0g/10m is always led
It is 220-350 to stretch multiple, and dominant draft multiple is 35-44, and feeding is than being 0.96-0.98, and winding is than being 0.98-1.02.
The processing unit (plant) and method of air-jet eddy-current mixed yarn of the present invention select binary channels drafting unit, controllable to lead
Stretch draw ratio and feeding speed of the roller unit to different component fiber strip, the two of the final air-jet eddy-current mixed yarn of Configuration Online
Component fibre blending ratio.Increase the binary channels horn mouth buncher between front roller outlet and nozzle entrance, controllable difference group
Divide the position of fiber strip feeding nozzle entrance, the inside and outside distribution of two component fibres of the final air-jet eddy-current mixed yarn of Configuration Online.
The present invention enriches the product category of air-jet eddy-current mixed yarn, improves the production efficiency of mixed yarn.
Description of the drawings
Fig. 1 is the structural schematic diagram of the processing unit (plant) of air-jet eddy-current mixed yarn of the present invention.
Reference sign：After the first staple fibers of 1- yarn, the second staple fibers of 2- yarn, the first rear rollers of 3-, 4- second
Roller, the first middle rollers of 5-, the second middle rollers of 6-, the first front rollers of 7-, the second front rollers of 8-, 9- first passages, 10- second are logical
Road, 11- nozzle entrances, 12- guiding needle, 13- air-flows twisting chamber, 14- hollow ingots doffing tube, 15- air-jet eddy-currents mixed yarn, 16-
Binary channels drafting unit, 17- binary channels horn mouth bunchers.
Specific implementation mode
With reference to specific attached drawing, the invention will be further described.
Embodiment 1：
As shown in Figure 1, the processing unit (plant) of air-jet eddy-current mixed yarn of the present invention includes binary channels drafting unit 16, binary channels is led
It includes the front roller group being made of the first front roller 7 and the second front roller 8, by sieve in the first middle roller 5 and second to stretch unit 16
The middle roller group of 6 compositions, the rear roller group that is made of the first rear roller 3 and the second rear roller 4 are drawn, in the first front roller 7, first
The speed ratio of roller 5 and the first rear roller 3 and the speed ratio of the second front roller 8, the second middle roller 6 and the second rear roller 4 can
On-line control；Binary channels horn mouth is installed between the outlet and nozzle entrance 11 of first front roller, 7 and second front roller 8
Buncher 17, the binary channels horn mouth buncher 17 include first passage 9 and second channel 10, and first passage 9 enters with nozzle
Mouth 11, guiding needle 12, air-flow twist chamber 13, the central axis of hollow ingot doffing tube 14 is in conllinear, second channel 10 and first
The horizontal spacing that width is 1.5mm is equipped between channel 9.
In the binary channels drafting unit 16, the first front roller 7, the first middle roller 5 and the first rear roller 3 roller center
Away from for 44mm × 67mm, roller gauge is 38mm × 42mm.
In the binary channels drafting unit 16, the second front roller 8, the second middle roller 6 and the second rear roller 4 roller center
Away from for 44mm × 67mm, roller gauge is 38mm × 42mm.
In the binary channels horn mouth buncher 17, the inlet diameter of first passage 9 is 10mm, outlet diameter 5mm, length
Degree is 10mm.
In the binary channels horn mouth buncher 17, the inlet diameter of second channel 10 is 10mm, outlet diameter 5mm,
Length is 10mm.
Embodiment 2：
The processing method of air-jet eddy-current mixed yarn of the present invention, is processed using processing unit (plant) described in embodiment 1, including
Binary channels drawing-off, air-flow twisting and draw yarn reel around；
The binary channels drawing-off regulates and controls the first staple fiber yarn 1 and the second staple fiber yarn respectively using binary channels drafting unit 16
2 drafting multiple and feeding speed, two component fibre blending ratios of the final air-jet eddy-current mixed yarn of Configuration Online；
The air-flow twisting controls the first staple fiber yarn 1 and the second staple fiber yarn 2 using binary channels horn mouth buncher 17
The position for feeding nozzle entrance 11 regulates and controls the inside and outside distribution of two component fibres of final air-jet eddy-current spinning mixed yarn, through bilateral online
Quantitative first staple fiber yarn 1 after 3 drawing-off of the first front roller 7, the first middle roller 5 and the first rear roller of road drafting unit 16
Nozzle entrance 11 is fed by the first passage 9 of binary channels horn mouth buncher 17, is twisted by air-flow positioned at axial centerline
High speed rotation is vortexed suction-operated in chamber 13, is guided needle 12 and accurately introduces the formation core fibre of hollow ingot doffing tube 14, in flat
Row straight configuration is distributed in 15 internal layer of air-jet eddy-current mixed yarn, sieve in the second front roller 8, second through binary channels drafting unit 16
Draw the quantitative second staple fiber yarn 2 after 6 and 4 drawing-off of the second rear roller by the second channel 10 of binary channels horn mouth buncher 17
Nozzle entrance 11 is fed, the parallel position for being located off central axis 1.5mm is vortexed by high speed rotation in air-flow twisting chamber 13
Centrifugal action forms free tail end, is rotated together with vortex, is equably wrapped on core fibre, is distributed in air-jet eddy-current mixed yarn
15 outer layers.
The first staple fiber yarn 1 is cotton fiber yarn, regular roving feeding 3.8g/10m, total draft multiple 220, master
Drafting multiple is 35, and feeding is than being 0.96, and winding is than being 0.98.
The second staple fiber yarn 2 be viscose rayon yarn, regular roving feeding 5.0g/10m, total draft multiple 350,
Dominant draft multiple is 44, and feeding is than being 0.98, and winding is than being 1.02.
Embodiment 3：
As shown in Figure 1, the processing unit (plant) of air-jet eddy-current mixed yarn of the present invention includes binary channels drafting unit 16, binary channels is led
It includes the front roller group being made of the first front roller 7 and the second front roller 8, by sieve in the first middle roller 5 and second to stretch unit 16
The middle roller group of 6 compositions, the rear roller group that is made of the first rear roller 3 and the second rear roller 4 are drawn, in the first front roller 7, first
The speed ratio of roller 5 and the first rear roller 3 and the speed ratio of the second front roller 8, the second middle roller 6 and the second rear roller 4 can
On-line control；Binary channels horn mouth is installed between the outlet and nozzle entrance 11 of first front roller, 7 and second front roller 8
Buncher 17, the binary channels horn mouth buncher 17 include first passage 9 and second channel 10, and first passage 9 enters with nozzle
Mouth 11, guiding needle 12, air-flow twist chamber 13, the central axis of hollow ingot doffing tube 14 is in conllinear, second channel 10 and first
The horizontal spacing that width is 2mm is equipped between channel 9.
In the binary channels drafting unit 16, the first front roller 7, the first middle roller 5 and the first rear roller 3 roller center
Away from for 45mm × 68mm, roller gauge is 39mm × 43mm.
In the binary channels drafting unit 16, the second front roller 8, the second middle roller 6 and the second rear roller 4 roller center
Away from for 45mm × 68mm, roller gauge is 39mm × 43mm.
In the binary channels horn mouth buncher 17, the inlet diameter of first passage 9 is 15mm, outlet diameter 8mm, length
Degree is 11mm.
In the binary channels horn mouth buncher 17, the inlet diameter of second channel 10 is 15mm, outlet diameter 8mm,
Length is 11mm.
Embodiment 4：
The processing method of air-jet eddy-current mixed yarn of the present invention, is processed using processing unit (plant) described in embodiment 3, including
Binary channels drawing-off, air-flow twisting and draw yarn reel around；
The binary channels drawing-off regulates and controls the first staple fiber yarn 1 and the second staple fiber yarn respectively using binary channels drafting unit 16
2 drafting multiple and feeding speed, two component fibre blending ratios of the final air-jet eddy-current mixed yarn of Configuration Online；
The air-flow twisting controls the first staple fiber yarn 1 and the second staple fiber yarn 2 using binary channels horn mouth buncher 17
The position for feeding nozzle entrance 11 regulates and controls the inside and outside distribution of two component fibres of final air-jet eddy-current spinning mixed yarn, through bilateral online
Quantitative first staple fiber yarn 1 after 3 drawing-off of the first front roller 7, the first middle roller 5 and the first rear roller of road drafting unit 16
Nozzle entrance 11 is fed by the first passage 9 of binary channels horn mouth buncher 17, is twisted by air-flow positioned at axial centerline
High speed rotation is vortexed suction-operated in chamber 13, is guided needle 12 and accurately introduces the formation core fibre of hollow ingot doffing tube 14, in flat
Row straight configuration is distributed in 15 internal layer of air-jet eddy-current mixed yarn, sieve in the second front roller 8, second through binary channels drafting unit 16
Draw the quantitative second staple fiber yarn 2 after 6 and 4 drawing-off of the second rear roller by the second channel 10 of binary channels horn mouth buncher 17
Feed nozzle entrance 11, be located off the parallel position of central axis 2mm by high speed rotation in air-flow twisting chamber 13 be vortexed from
The heart acts on forming free tail end, is rotated together with vortex, is equably wrapped on core fibre, is distributed in air-jet eddy-current mixed yarn 15
Outer layer.
The first staple fiber yarn 1 be viscose rayon yarn, regular roving feeding 5.0g/10m, total draft multiple 350,
Dominant draft multiple is 44, and feeding is than being 0.98, and winding is than being 1.02.
The second staple fiber yarn 2 is cotton fiber yarn, regular roving feeding 3.8g/10m, total draft multiple 220, master
Drafting multiple is 35, and feeding is than being 0.96, and winding is than being 0.98.
Claims (9)
1. a kind of processing unit (plant) of air-jet eddy-current mixed yarn, it is characterized in that：Including binary channels drafting unit（16）, binary channels drawing-off
Unit（16）Including by the first front roller（7）With the second front roller（8）The front roller group of composition, by the first middle roller（5）With
Two middle rollers（6）The middle roller group of composition, by the first rear roller（3）With the second rear roller（4）The rear roller group of composition, before first
Roller（7）, the first middle roller（5）With the first rear roller（3）Speed ratio and the second front roller（8）, the second middle roller（6）With
Two rear rollers（4）Speed it is more adjustable than online；In first front roller（7）With the second front roller（8）Outlet enter with nozzle
Mouthful（11）Between install binary channels horn mouth buncher（17）, the binary channels horn mouth buncher（17）Including first passage
（9）And second channel（10）, first passage（9）With nozzle entrance（11）, guiding needle（12）, air-flow twist chamber（13）, hollow ingot
Doffing tube（14）Central axis be in conllinear, second channel（10）With first passage（9）Between be equipped with certain horizontal spacing.
2. the processing unit (plant) of air-jet eddy-current mixed yarn as described in claim 1, it is characterized in that：The second channel（10）With
One channel（9）Between be equipped with width be 1.5-2mm horizontal spacing.
3. the processing unit (plant) of air-jet eddy-current mixed yarn as described in claim 1, it is characterized in that：The binary channels drafting unit
（16）In, the first front roller（7）, the first middle roller（5）With the first rear roller（3）Ratch be 44-45mm × 67-
68mm, roller gauge are 38-39mm × 42-43mm.
4. the processing unit (plant) of air-jet eddy-current mixed yarn as described in claim 1, it is characterized in that：Second front roller（8）,
Two middle rollers（6）With the second rear roller（4）Ratch be 44-45mm × 67-68mm, roller gauge be 38-39mm ×
42-43mm。
5. the processing unit (plant) of air-jet eddy-current mixed yarn as described in claim 1, it is characterized in that：The binary channels horn mouth boundling
Device（17）In, first passage（9）Inlet diameter be 10-15mm, outlet diameter 5-8mm, length 10-11mm.
6. the processing unit (plant) of air-jet eddy-current mixed yarn as described in claim 1, it is characterized in that：The second channel（10）Enter
Mouth a diameter of 10-15mm, outlet diameter 5-8mm, length 10-11mm.
7. a kind of processing method of air-jet eddy-current mixed yarn, it is characterized in that：Including binary channels drawing-off, air-flow twisting and draw yarn reel
Around；
The binary channels drawing-off uses binary channels drafting unit（16）Regulate and control the first staple fiber yarn respectively（1）With the second staple fiber
Yarn（2）Drafting multiple and feeding speed, two component fibre blending ratios of the final air-jet eddy-current mixed yarn of Configuration Online；
The air-flow twisting uses binary channels horn mouth buncher（17）Control the first staple fiber yarn（1）With the second staple fiber palpus
Item（2）Feed nozzle entrance（11）Position, regulate and control the inside and outside distribution of two component fibres of final air-jet eddy-current spinning mixed yarn online,
Through binary channels drafting unit（16）The first front roller（7）, the first middle roller（5）With the first rear roller（3）Quantifying after drawing-off
First staple fiber yarn（1）By binary channels horn mouth buncher（17）First passage（9）Feed nozzle entrance（11）, in being located at
Mandrel line position is twisted chamber by air-flow（13）Interior high speed rotation is vortexed suction-operated, is guided needle（12）It accurately introduces hollow
Ingot doffing tube（14）Core fibre is formed, air-jet eddy-current mixed yarn is distributed in stretched straight parallel state（15）Internal layer is led through binary channels
Stretch unit（16）The second front roller（8）, the second middle roller（6）With the second rear roller（4）Quantitative second staple fiber after drawing-off
Yarn（2）By binary channels horn mouth buncher（17）Second channel（10）Feed nozzle entrance（11）, it is located off central shaft
The parallel position of line 1.5-2mm is twisted chamber by air-flow（13）Interior high speed rotation vortex centrifugal acts on forming free tail end, with whirlpool
Stream rotates together with, and is equably wrapped on core fibre, is distributed in air-jet eddy-current mixed yarn（15）Outer layer.
8. the processing method of air-jet eddy-current mixed yarn as claimed in claim 7, it is characterized in that：The first staple fiber yarn
（1）For cotton fiber yarn, regular roving feeding 3.8-5.0g/10m, total draft multiple 220-350, dominant draft multiple is 35-44,
Feeding is than being 0.96-0.98, and winding is than being 0.98-1.02.
9. the processing method of air-jet eddy-current mixed yarn as claimed in claim 7, it is characterized in that：The second staple fiber yarn
（2）For viscose rayon yarn, regular roving feeding 3.8-5.0g/10m, total draft multiple 220-350, dominant draft multiple is 35-
44, feeding is than being 0.96-0.98, and winding is than being 0.98-1.02.
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|---|---|---|---|---|
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| CN109825907A (en) * | 2019-03-13 | 2019-05-31 | 巢湖雅戈尔色纺科技有限公司 | Alternation drawing-off four-way spinning apparatus and the spinning method for genuine for becoming branch no-load voltage ratio change twisted yarn |
| CN111020756A (en) * | 2018-10-09 | 2020-04-17 | 塞维欧纺织机械股份公司 | Drawing and spinning apparatus and method for mixed yarn of multi-feed rotor spinning machine |
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| CN109706560A (en) * | 2019-02-11 | 2019-05-03 | 合肥岸鲁意科技有限公司 | Control spinning apparatus and Yarn spinning method are gathered in a kind of double drawing-offs |
| CN109825907A (en) * | 2019-03-13 | 2019-05-31 | 巢湖雅戈尔色纺科技有限公司 | Alternation drawing-off four-way spinning apparatus and the spinning method for genuine for becoming branch no-load voltage ratio change twisted yarn |
| CN109825907B (en) * | 2019-03-13 | 2023-09-19 | 安徽新雅新材料有限公司 | Alternating drafting four-way spinning device and spinning method of variable-count variable-ratio variable-twist yarn |
| CN112210857A (en) * | 2020-09-21 | 2021-01-12 | 东华大学 | Core-spun Chinese wildrye yarn and preparation method and preparation device thereof |
| CN112481753A (en) * | 2021-01-07 | 2021-03-12 | 厦门代虬纺织有限公司 | Jet spinning equipment |
| WO2022256900A1 (en) * | 2021-06-11 | 2022-12-15 | Antonio Herminio Marin | Method for producing durable biodegradable mixed yarns, device for producing mixed yarns, and mixed yarns obtained using said method |
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