CN107513793A - A kind of covering yarn process units and method - Google Patents

A kind of covering yarn process units and method Download PDF

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Publication number
CN107513793A
CN107513793A CN201710949195.8A CN201710949195A CN107513793A CN 107513793 A CN107513793 A CN 107513793A CN 201710949195 A CN201710949195 A CN 201710949195A CN 107513793 A CN107513793 A CN 107513793A
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CN
China
Prior art keywords
port
roller
yarn
groove
covering yarn
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Pending
Application number
CN201710949195.8A
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Chinese (zh)
Inventor
任西同
梁海峰
肖耀兵
高志国
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Ningxia Ruyi Science & Technology Fashion Industry Co Ltd
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Ningxia Ruyi Science & Technology Fashion Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Ningxia Ruyi Science & Technology Fashion Industry Co Ltd filed Critical Ningxia Ruyi Science & Technology Fashion Industry Co Ltd
Priority to CN201710949195.8A priority Critical patent/CN107513793A/en
Publication of CN107513793A publication Critical patent/CN107513793A/en
Pending legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36Cored or coated yarns or threads
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70Constructional features of drafting elements
    • D01H5/72Fibre-condensing guides
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70Constructional features of drafting elements
    • D01H5/74Rollers or roller bearings
    • D01H5/76Loose-boss assemblies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The application is related to weaving manufacture processing technique field, and in particular to a kind of covering yarn process units and method.But because existing compact spinning web is too narrow and be unfavorable for that long filament is coated, so as to influence the quality of covering yarn.The application provides a kind of covering yarn process units, from top to bottom include horn mouth, first roller, the second roller, the 3rd roller, negative tube and rings successively, set on the negative tube fluted, the groove includes first port and second port, the first port is arranged above the second port, and the first port width is more than the width of the second port.It is negative pressure air port that yarn feeds groove after drawing-off attenuating drawing-down, long filament volume unwinds via the active of carrying roller and rotated, draw long filament, long filament is after godet roller, close spinning roller is fed, compact spinning roller pressure volume is acted on negative pressure suction inlet, beneficial to coated core filaments, avoid a bag cotton fiber exposed outside, improve the quality of production of covering yarn.

Description

A kind of covering yarn process units and method
Technical field
The application is related to weaving manufacture processing technique field, and in particular to a kind of covering yarn process units and method.
Background technology
Covering yarn is also known as composite yarn or wrap yarn, it be formed by two or more fiber combinations it is a kind of new Yarn.Initial covering yarn be using cotton fiber as skin, terylene short fiber yarn be core exploitation chopped fiber and chopped fiber covering yarn.Match network Spin (Sirospun) be on spinning frame feed two holding one determining deviation rove, after drawing-off, by front roller export this two Root single thread yarn, and make due to the transmission of the twist to carry a small amount of twist on single thread yarn, further twisted into after split The yarn of similar plying, on bobbin.Compact spinning is that the one kind spinned on improved new ring throstle is new Type spinning technique.Its spin mechanism be mainly:A fibre deposition area is added before ring throstle draw-gear, is disappeared substantially Except front roller to the spinning twist triangle zone twisted between point.
Weaving covering yarn need to set up a core filaments feeding unit actively stablized on the basis of spinning frame, can be steady Surely cored long filament is placed, and can smoothly move back solution, while the pre-draft multiple of core filaments can be controlled according to product requirement, through preliminary draft Big roller is gathered in the feeding that crossed after big roller is gathered of cotton fiber yarn after rear core filaments and drawing-off, then out converges through adding Twist with the fingers winding, covering yarn of the production with certain elasticity.But because existing compact spinning web is too narrow and to be unfavorable for long filament coated, So as to influence the quality of covering yarn.
The content of the invention
The purpose of the application is in order to which the covering yarn that solves to weave need to set up an actively stabilization on the basis of spinning frame Core filaments feeding unit, can stablize and place cored long filament, and can smoothly move back solution, while can be according to product requirement control core The pre-draft multiple of silk, the feeding that crossed after big roller is gathered of the cotton fiber yarn after core filaments and drawing-off after preliminary draft are gathered Big roller, then out converge through twisting winding, covering yarn of the production with certain elasticity.But due to existing compact spinning cotton Net too narrow and be unfavorable for that long filament is coated, the problem of so as to influence the quality of covering yarn.
Therefore, the embodiments of the invention provide following technical scheme:A kind of covering yarn process units, is from top to bottom wrapped successively Include horn mouth, first roller, the second roller, the 3rd roller, negative tube and rings, set on the negative tube it is fluted, it is described Groove includes first port and second port, and the first port is arranged above the second port, and the first port is wide Width of the degree more than the second port.
Alternatively, the groove includes wedge-shaped slot, and the wedge-shaped slot is vertically arranged with the negative tube.
Alternatively, the groove is Y-shaped, the wide 4.5mm of first port, the wide 2.7mm of second port.
Alternatively, the groove is radial, and the groove includes some first ports.
Alternatively, the groove includes three first ports, the wide 1mm of first port.
Alternatively, it is provided with grid ring on the groove.
A kind of covering yarn production method, methods described comprise the following steps:
1) the multiple batches of all kinds of short fibres for meeting national standard, are chosen;
2), the raw material of step 1 is mixed;
3) raw material mixed in step 2, is sent into carding machine by blowing-carding-drawing unit group the carded sliver is made;
4), the carded sliver is carried out by pre-drawing machine and closes drawing-off;
5), by it is pre- and after sliver combing rouleau is made by ribbon lap machine;
6) lap of step 5, is subjected to combing on combing machine yarn is made;
7), carry out the yarn of step 6 and close drawing-off that ripe bar is made on the drawing frame with autoleveller;
8), the ripe bar of step 7 is made up on fly frame of drawing-off, twisting, winding and meets siro compact spinning covering yarn It is required that rove;
9) long filament for meeting national standard, is chosen;
10) the qualified rove of step 8 and the long filament of step 9, are processed into cored by negative tube using SEILE textile mode Yarn.
Alternatively, methods described also includes:Cheese is made by automatic winder in the covering yarn that step 10 is processed; Cheese is subjected to qualification, certified products carry out packaging packaging and warehousing.
Alternatively, the rove quantity in the step 10 includes 2 or 3, and the number of filaments includes 1.
Technical scheme provided in an embodiment of the present invention includes following beneficial effect:The application is by the way that the groove of negative tube is set Be set to up big and down small i.e. superposed first port width be more than positioned at bottom second port, due to negative tube through pipeline with Negative pressure system is connected, and stable negative pressure is formed by main air blower, and it is negative pressure air port that yarn feeds groove after drawing-off attenuating drawing-down, Long filament volume unwinds via the active of carrying roller and rotated, and draws long filament, and long filament feeds close spinning roller, closely after godet roller Spinning roller pressurization, beneficial to coated core filaments, avoids a bag cotton fiber exposed outside, improves the life of covering yarn on negative pressure suction inlet Yield and quality.The application uses SEILE textile technique, and resultant yarn details is few, and bar makes a good job of, and strength is high;Using close spinning process, negative tube changes After making, beneficial to coated core filaments, avoid a bag cotton fiber exposed outside.Core filaments are imported after big roller is gathered among two bundle fibers, Gripping of the core filaments interference drawing-off roller to web can be avoided, improves yarn quality.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached Figure is briefly described, it should be apparent that, for those of ordinary skills, before creative labor is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of covering yarn process units structural representation provided in an embodiment of the present invention;
Fig. 2 is a kind of covering yarn process units partial structural diagram provided in an embodiment of the present invention;
Fig. 3 is Y-shaped negative tube structural representation provided in an embodiment of the present invention;
Fig. 4 is radial negative tube structural representation provided in an embodiment of the present invention;
The symbol of Fig. 1~4 is expressed as:
1- horn mouths, 2- first rollers, the rollers of 3- second, the rollers of 4- the 3rd, 5- negative tubes, 6- rings, 7- grooves, 8- Single port, 9- second ports, 10- grid rings.
Embodiment
Accompanying drawing herein is merged in specification and forms the part of this specification, shows and meets implementation of the present invention Example, and for explaining principle of the invention together with specification.
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art Speech, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Because common core-spun yarn core silk must import after front draft roller, core filaments number is bigger than cotton fiber number very It is more, gripping of the front draft roller to cotton fiber is disturbed, easy harmful drafting or short and thick, not only increase broken end and bar, which are done, deteriorates, by Do not gather performance in RING SPINNING, resultant yarn filoplume is big, card nailing neps (cotton knot) is easily formed during post-processing, and walk out front draft skin Web is too wide after roller, and flock both sides fiber is easily siphoned away with roller by flute pipe, forms details, influences that bar is dry and strength.
Due to common RING SPINNING processing performance, product quality is constrained:Resultant yarn strand, thickness section, size cotton knot, 3mm with Upper filoplume, single thread force are all bad.
Embodiment one
Referring to Fig. 1~4, it is a kind of covering yarn process units provided in an embodiment of the present invention, from top to bottom includes loudspeaker successively Mouth 1, first roller 2, the second roller 3, the 3rd roller 4, negative tube 5 and rings 6, it is characterised in that set on the negative tube 5 Groove 7 is equipped with, the groove 7 includes first port 8 and second port 9, and the first port 8 is arranged at the second port 9 Top, the width of first port 8 are more than the width of the second port 9.
The application specific work process:It will before menstruation spin and yarn drawn on the rove that each procedure is process, yarn passes through Horn mouth 1 is fed after lever jack, yarn enters drafting system after passing through horn mouth 1, and roller rotates gripping yarn after first roller 2 The gripping area that the second roller 3 and roller are formed is fed, the rotating speed of the second roller 3 is slightly faster than first roller 2, and yarn is via second The grip zone that upper leather ring and hypodermis circle are formed is fed after roller 3 and medium rubber roller, the holding that yarn is formed via upper and lower apron is oriented to Enter the dominant draft mechanism of the 3rd roller 4 and front leather roller composition behind region.Negative tube 5 is loaded on the shaping of the roller pair of the 3rd roller 4 Side, negative tube 5 are connected through pipeline with negative pressure system, stable negative pressure are formed by main air blower, yarn is after drawing-off attenuating drawing-down Feed groove 7 be negative pressure air port, long filament volume via carrying roller active unwind rotate, draw long filament, long filament after godet roller, Close spinning roller is fed, compact spinning roller pressure volume is acted on negative pressure suction inlet, the long filament rove palpus with being arranged through drawing-off here Bar merges, and covering yarn is formed after twisting mechanism is twisted, and resultant yarn forms cop through twisting winding, hands over winding procedure to be handled.
Embodiment two
Referring to Fig. 1~4, it is a kind of covering yarn process units provided in an embodiment of the present invention, from top to bottom includes loudspeaker successively Mouth 1, first roller 2, the second roller 3, the 3rd roller 4, negative tube 5 and rings 6, it is characterised in that set on the negative tube 5 Groove 7 is equipped with, the groove 7 includes first port 8 and second port 9, and the first port 8 is arranged at the second port 9 Top, the width of first port 8 are more than the width of the second port 9.
Alternatively, the groove 7 includes wedge-shaped slot, and the wedge-shaped slot is vertically arranged with the negative tube 5.
Alternatively, the groove 7 is Y-shaped, the 8 wide 4.5mm of first port, the 9 wide 2.7mm of second port.
Alternatively, it is provided with grid ring 10 on the groove 7.
The application specific work process:It will before menstruation spin and yarn drawn on the rove that each procedure is process, yarn passes through Horn mouth 1 is fed after lever jack, yarn enters drafting system after passing through horn mouth 1, and roller rotates gripping yarn after first roller 2 The gripping area that the second roller 3 and roller are formed is fed, the rotating speed of the second roller 3 is slightly faster than first roller 2, and yarn is via second The grip zone that upper leather ring and hypodermis circle are formed is fed after roller 3 and medium rubber roller, the holding that yarn is formed via upper and lower apron is oriented to Enter the dominant draft mechanism of the 3rd roller 4 and front leather roller composition behind region.Negative tube 5 is loaded on the shaping of the roller pair of the 3rd roller 4 Side, negative tube 5 are connected through pipeline with negative pressure system, stable negative pressure are formed by main air blower, yarn is after drawing-off attenuating drawing-down Feed groove 7 be negative pressure air port, long filament volume via carrying roller active unwind rotate, draw long filament, long filament after godet roller, Close spinning roller is fed, compact spinning roller pressure volume is acted on negative pressure suction inlet, and grid ring 10, grid ring 10 are put around groove 7 Play holding to fiber, long filament merges with the rove yarn arranged through drawing-off here, and bag is formed after twisting mechanism is twisted Heart yarn, resultant yarn form cop through twisting winding, hand over winding procedure to be handled.
In order to play tight-spinning collecting advantage coated good long filament again, the negative pressure trough of negative tube 5 is designed to Y-shaped straight trough, together Shi Liyong SEILE textiles technique using two rove after drawing-off Y-shaped straight trough formed negative pressuren zone into two bundle fiber beams, long Silk is imported among two bundle fibers before gathering after big roller, thus can be effectively that long filament is coated good, produces high-quality cored Yarn.
Embodiment three
Referring to Fig. 1~4, it is a kind of covering yarn process units provided in an embodiment of the present invention, from top to bottom includes loudspeaker successively Mouth 1, first roller 2, the second roller 3, the 3rd roller 4, negative tube 5 and rings 6, it is characterised in that set on the negative tube 5 Groove 7 is equipped with, the groove 7 includes first port 8 and second port 9, and the first port 8 is arranged at the second port 9 Top, the width of first port 8 are more than the width of the second port 9.
Alternatively, the groove 7 is radial, and the groove 7 includes some first ports 8.
Alternatively, the groove 7 includes three first ports 8, the 8 wide 1mm of first port.
Alternatively, it is provided with grid ring 10 on the groove 7.
The application specific work process:It will before menstruation spin and yarn drawn on the rove that each procedure is process, yarn passes through Horn mouth 1 is fed after lever jack, yarn enters drafting system after passing through horn mouth 1, and roller rotates gripping yarn after first roller 2 The gripping area that the second roller 3 and roller are formed is fed, the rotating speed of the second roller 3 is slightly faster than first roller 2, and yarn is via second The grip zone that upper leather ring and hypodermis circle are formed is fed after roller 3 and medium rubber roller, the holding that yarn is formed via upper and lower apron is oriented to Enter the dominant draft mechanism of the 3rd roller 4 and front leather roller composition behind region.Negative tube 5 is loaded on the shaping of the roller pair of the 3rd roller 4 Side, negative tube 5 are connected through pipeline with negative pressure system, stable negative pressure are formed by main air blower, yarn is after drawing-off attenuating drawing-down Feed radial negative pressure air port, long filament volume unwinds via the active of carrying roller and rotated, and draws long filament, long filament after godet roller, Close spinning roller is fed, compact spinning roller pressure volume is acted on negative pressure suction inlet, and grid ring 10, grid ring 10 are put around groove 7 Play holding to fiber, long filament merges with the rove yarn arranged through drawing-off here, and bag is formed after twisting mechanism is twisted Heart yarn, resultant yarn form cop through twisting winding, hand over winding procedure to be handled.
Example IV
A kind of covering yarn production method, methods described comprise the following steps:
1) the multiple batches of all kinds of short fibres for meeting national standard, are chosen;
2), the raw material of step 1 is mixed;
3) raw material mixed in step 2, is sent into carding machine by blowing-carding-drawing unit group the carded sliver is made;
4), the carded sliver is carried out by pre-drawing machine and closes drawing-off;
5), by it is pre- and after sliver combing rouleau is made by ribbon lap machine;
6) lap of step 5, is subjected to combing on combing machine yarn is made;
7), carry out the yarn of step 6 and close drawing-off that ripe bar is made on the drawing frame with autoleveller;
8), the ripe bar of step 7 is made up on fly frame of drawing-off, twisting, winding and meets siro compact spinning covering yarn It is required that rove;
9) long filament for meeting national standard, is chosen;
10) the qualified rove of step 8 and the long filament of step 9, are processed into cored by negative tube using SEILE textile mode Yarn.
Alternatively, methods described also includes:Cheese is made by automatic winder in the covering yarn that step 10 is processed; Cheese is subjected to qualification, certified products carry out packaging packaging and warehousing.
Alternatively, the rove quantity in the step 10 includes 2 or 3, and the number of filaments includes 1.
Common RING SPINNING and siro compact spinning covering yarn comparison on Yarn
By data see close spun yarn index more dry crude than RING SPINNING bar details cotton knot filoplume strength all it is good a lot, body The superiority of match network compact spinning is showed.Properties of product
Siro compact spinning covering yarn is better than common covering yarn, can weave high-end high-quality high-grade fabric, meet high-end need Ask.We produce siro compact spinning covering yarn quality on into, unique properties, be the outsourcing long-staple cotton using elastic filament as yarn core, Through being especially processed into covering yarn, because yarn has good telescopicing performance, fabric can play the elastomeric property of long filament, avoid Shrink, dimensionally stable, shape-retaining ability is splendid, and and can keeps the good natural moisture pick-up properties of cotton fiber, assigns the texture of soft cotton, uses this The fabric of weaving yarns:Feel is naturally, pendency, soft texture, snug fit, chainless sense.Dress ornament made of putting on this yarn gives people As being washed in fresh breeze.Fabric washing shrinkage is low, and shape-retaining ability is splendid, gives fashion, persistently, modern need such as is easy to arrange Ask, be it is attractive in appearance, comfortably, flexible perfect unity.
Described above is only the embodiment of the embodiment of the present invention, is made skilled artisans appreciate that or realizing The present invention.A variety of modifications to these embodiments will be apparent to one skilled in the art, determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, originally Invention is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty Consistent most wide scope.
It should be appreciated that the content that the application is not limited to be described above and is shown in the drawings, and can To carry out various modifications and changes without departing from the scope.Scope of the present application is only limited by appended claim.

Claims (9)

1. a kind of covering yarn process units, from top to bottom include horn mouth (1), first roller (2), the second roller (3), the successively Three rollers (4), negative tube (5) and rings (6), it is characterised in that fluted (7), the groove are set on the negative tube (5) (7) first port (8) and second port (9) are included, the first port (8) is arranged above the second port (9), described First port (8) width is more than the width of the second port (9).
2. device as claimed in claim 1, it is characterised in that the groove (7) includes wedge-shaped slot, the wedge-shaped slot with it is described Negative tube (5) is vertically arranged.
3. device as claimed in claim 2, it is characterised in that the groove (7) is Y-shaped, and the first port (8) is wide 4.5mm, the wide 2.7mm of the second port (9).
4. device as claimed in claim 1, it is characterised in that the groove (7) is radial, and the groove (7) is if include Dry first port (8).
5. device as claimed in claim 4, it is characterised in that the groove (7) includes three first ports (8), and described Single port (8) wide 1mm.
6. such as device according to any one of claims 1 to 5, it is characterised in that be provided with grid ring on the groove (7) (10)。
7. a kind of covering yarn production method, it is characterised in that methods described comprises the following steps:
1) the multiple batches of all kinds of short fibres for meeting national standard, are chosen;
2), the raw material of step 1 is mixed;
3) raw material mixed in step 2, is sent into carding machine by blowing-carding-drawing unit group the carded sliver is made;
4), the carded sliver is carried out by pre-drawing machine and closes drawing-off;
5), by it is pre- and after sliver combing rouleau is made by ribbon lap machine;
6) lap of step 5, is subjected to combing on combing machine yarn is made;
7), carry out the yarn of step 6 and close drawing-off that ripe bar is made on the drawing frame with autoleveller;
8), the ripe bar of step 7 is made up on fly frame of drawing-off, twisting, winding and meets siro compact spinning covering yarn requirement Rove;
9) long filament for meeting national standard, is chosen;
10) the qualified rove of step 8 and the long filament of step 9, are processed into covering yarn by negative tube using SEILE textile mode.
8. method as claimed in claim 7, it is characterised in that methods described also includes:The covering yarn that step 10 is processed Cheese is made by automatic winder;Cheese is subjected to qualification, certified products carry out packaging packaging and warehousing.
9. method as claimed in claim 7, it is characterised in that the rove quantity in the step 10 includes 2 or 3, The number of filaments includes 1.
CN201710949195.8A 2017-10-12 2017-10-12 A kind of covering yarn process units and method Pending CN107513793A (en)

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CN108315850A (en) * 2018-02-01 2018-07-24 中达电通股份有限公司 A kind of embedded yarn spinning device and ring throstle and section coloured silk spinning method
CN108330579A (en) * 2018-04-23 2018-07-27 南通纺织丝绸产业技术研究院 The guide strip rack of drawing frame
CN108385221A (en) * 2018-04-23 2018-08-10 南通纺织丝绸产业技术研究院 The feeding unit of drawing frame
CN108754727A (en) * 2018-06-19 2018-11-06 江苏工程职业技术学院 A kind of production technology of functional match network half section of color bunchy yarn of compact spinning
CN109518331A (en) * 2018-12-27 2019-03-26 山东宏业纺织股份有限公司 A kind of covering yarn process units and its production method
CN109881310A (en) * 2019-03-04 2019-06-14 江南大学 One kind is pure to spin conformal yarn process units and production method
CN109881311A (en) * 2019-04-10 2019-06-14 经纬智能纺织机械有限公司 A kind of three slot negative pressure craft piece of ring throstle ternary compact spinning
CN110093701A (en) * 2019-05-22 2019-08-06 江南大学 The production method of relaxation elastic core-spun yarn
CN110453332A (en) * 2019-09-05 2019-11-15 义乌市申凯线业有限公司 A kind of fire-retardant sewing thread and its production technology
CN111850748A (en) * 2020-07-21 2020-10-30 江南大学 Device and method for producing composite yarns by spinning short filaments and air currents

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JP2004156195A (en) * 2002-11-07 2004-06-03 Mas Fab Rieter Ag Suction duct for fiber collector of spinning machine
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CN103290574A (en) * 2013-06-13 2013-09-11 山东南山纺织服饰有限公司 Integrated spinning method combined with compact spinning, siro spinning and sirofil spinning
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CN108330579A (en) * 2018-04-23 2018-07-27 南通纺织丝绸产业技术研究院 The guide strip rack of drawing frame
CN108385221A (en) * 2018-04-23 2018-08-10 南通纺织丝绸产业技术研究院 The feeding unit of drawing frame
CN108754727B (en) * 2018-06-19 2020-11-10 江苏工程职业技术学院 Production process of functional siro compact spinning semi-segment colored slub yarn
CN108754727A (en) * 2018-06-19 2018-11-06 江苏工程职业技术学院 A kind of production technology of functional match network half section of color bunchy yarn of compact spinning
CN109518331A (en) * 2018-12-27 2019-03-26 山东宏业纺织股份有限公司 A kind of covering yarn process units and its production method
CN109881310A (en) * 2019-03-04 2019-06-14 江南大学 One kind is pure to spin conformal yarn process units and production method
CN109881310B (en) * 2019-03-04 2021-08-24 江南大学 Pure spinning conformal yarn production device and production method
CN109881311A (en) * 2019-04-10 2019-06-14 经纬智能纺织机械有限公司 A kind of three slot negative pressure craft piece of ring throstle ternary compact spinning
CN110093701A (en) * 2019-05-22 2019-08-06 江南大学 The production method of relaxation elastic core-spun yarn
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CN110453332A (en) * 2019-09-05 2019-11-15 义乌市申凯线业有限公司 A kind of fire-retardant sewing thread and its production technology
CN111850748A (en) * 2020-07-21 2020-10-30 江南大学 Device and method for producing composite yarns by spinning short filaments and air currents

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