CN112095186A - Vortex spun yarn spinning method with ring spinning characteristic and vortex spun yarn - Google Patents
Vortex spun yarn spinning method with ring spinning characteristic and vortex spun yarn Download PDFInfo
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- CN112095186A CN112095186A CN202011001192.XA CN202011001192A CN112095186A CN 112095186 A CN112095186 A CN 112095186A CN 202011001192 A CN202011001192 A CN 202011001192A CN 112095186 A CN112095186 A CN 112095186A
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- 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
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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
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
Abstract
The invention relates to the technical field of spinning, in particular to a vortex spun yarn spinning method with ring spinning characteristics and vortex spun yarn. The pure cotton yarn is made into air-jet vortex spinning yarn by an air-jet vortex spinning machine, and then twisted, so that the core yarn fiber in the air-jet vortex spinning yarn is changed from a non-twist parallel state to a spiral state and distributed. The yarn type of the invention is changed, the cohesive force and the friction force between fibers are increased, the strength of the yarn is improved, the defect of low strength of vortex spun yarn is effectively overcome, and the strength of the vortex spun pure cotton yarn reaches the level of common ring spinning by twisting, so that the application range of vortex spinning is greatly improved.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a vortex spun yarn spinning method with ring spinning characteristics and vortex spun yarn.
Background
The ring spinning refers to the fiber strand after the ring spinning sliver or roving is drafted by a roller, and is introduced by the rotation of a ring traveler, the rotation of a spindle drives the ring traveler to rotate around a ring, so that cotton yarn is twisted into spun yarn, the ring traveler is widely applied to the spinning engineering of various short fibers, and the rotating speed of the ring traveler is slightly less than that of a bobbin due to the friction between the ring traveler and the ring so as to be wound. The ring spun yarn is in the form of a conical spiral line with most of fibers transferred inside and outside, so that the fibers are wound and connected inside and outside the yarn, the yarn is compact in structure and high in strength, and is suitable for various products such as weaving and knitting and the like and various common count specifications for spinning. However, due to the ring spinning principle, the friction force between the steel wire ring and the steel collar is large, the spinning speed is limited to a certain extent, and the forward drawn bar is generally below 25 m/min.
In recent decades, with the breakthrough of a plurality of important key technologies, various novel spinning yarns come out endlessly, and the air jet vortex spinning is a representative novel spinning technology. The jet vortex spinning is a spinning technology with the fastest spinning speed and the highest automation degree at present, the MVS of a representative model is released by Japan village and field company at the end of 20 century, and the yarn forming principle is that high-speed rotating airflow is generated in a nozzle by utilizing airflow jet, so that the free ends of fibers at the sides of fiber strands generate relative angular displacement to inner-layer fibers, and further the fiber strands are twisted to form yarns.
The air-jet vortex spun yarn is a composite structure, namely, one part is untwisted core yarn, and the other part is wrapped fiber wrapped outside the core yarn, and has a skin-core structure. Compared with the traditional ring spinning, the spun yarn of the air-jet vortex spinning yarn is produced without a spindle, a steel wire ring and other parts rotating at a high speed, so that the production efficiency is higher, the yield is improved by more than 20 times compared with that of the ring spinning, the yield can reach 500m/min, the yarn hairiness is less, the anti-pilling performance is good, and the development speed is very high in recent years.
The air-jet vortex spinning is an efficient spinning mode, and because the yarn forming principle is different from that of ring spinning, the intermediate fiber of the yarn body is in a non-twisted state, and the yarn strength is only 70-85% of that of the ring spinning. At present, the air jet vortex spinning is mainly applied to chemical fibers and blended yarns with relatively high strength, so that good economic benefits are obtained, and the application of cotton fibers with low strength is greatly limited due to low yarn strength.
At present, no paper or patent report exists about a yarn spinning method combining the characteristics of ring spinning and vortex spinning.
Disclosure of Invention
The invention aims to provide a spinning method of vortex spun yarn with ring spinning characteristics, which comprises the steps of producing air-jet vortex spun yarn by pure cotton yarn through an air-jet vortex spinning machine, twisting the air-jet vortex spun yarn, and enabling core yarn fibers in the air-jet vortex spun yarn to be distributed in a spiral state from a non-twisted parallel state, so that cohesive force and friction among the fibers are increased, and the strength of the yarn is greatly improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the vortex spinning method with ring spinning characteristics comprises the following steps: the pure cotton yarn is made into air-jet vortex spinning yarn by an air-jet vortex spinning machine, and then twisted, so that the core yarn fiber in the air-jet vortex spinning yarn is changed from a non-twist parallel state to a spiral state and distributed.
Wherein:
the pure cotton yarn has a count range of Ne 10-60.
When the jet vortex spinning yarn is produced by the jet vortex spinning machine, the feeding ratio is 0.97-1.0, the flying wing inertia is 80-140mN, and the pressure of a spinning nozzle is 0.4-0.55 MPa.
The air-jet vortex spinning yarn is air-jet vortex spinning yarn with Z-twist fiber wrapping.
The produced air-jet vortex spun yarn is firstly twined into parallel cop and then twisted.
The density of the parallel cop is 0.45-0.52g/cm3The weight of each plant is 0.5-1.5 kg/plant.
During twisting, a single yarn twisting mode is adopted, and the twisting direction is consistent with the twisting direction of the air jet vortex spun yarn.
The twisting degree in twisting is 5-15 twist/inch, and the tex coefficient is 75-225.
The speed of the twisting is 50-80 r/min.
The invention relates to a spinning method of vortex spun yarn with ring spinning characteristics, which comprises the following steps:
(1) air-jet vortex spinning: producing air-jet vortex spun yarn from pure cotton yarn by an air-jet vortex spinning machine;
(2) a winding and straightening cylinder: winding the air-jet vortex spun yarn into parallel cop;
(3) twisting: twisting the parallel cop to make the core yarn fiber change from non-twist parallel state to spiral state distribution, to obtain the vortex spinning yarn with ring spinning property.
The vortex spun yarn prepared by the spinning method of the invention is composed of core yarn fibers and wrapping fibers wrapped outside the core yarn fibers, and the core yarn fibers are distributed in a spiral state.
The invention has the following beneficial effects:
the invention produces the air-jet vortex spun yarn by the pure cotton yarn through the air-jet vortex spinning machine, and then twists the air-jet vortex spun yarn, so that the core yarn fiber in the air-jet vortex spun yarn is changed from the untwisted parallel state to the spiral state to be distributed; the yarn type of the invention is changed, thereby increasing cohesive force and friction force between fibers, improving the strength of the yarn, improving the strength by more than 25 percent compared with the strength of the common vortex spun yarn, effectively solving the defect of low strength of the vortex spun yarn, and ensuring that the strength of the vortex spun pure cotton yarn reaches the level of common ring spinning by twisting, thereby greatly improving the application range of the vortex spinning.
The invention has higher production efficiency, yarn outlet speed of 500-550m/min, less yarn hairiness and good anti-pilling performance.
Drawings
FIG. 1 is a schematic structural diagram of a common ring spun yarn, a vortex spun yarn, and a yarn produced by the present invention;
wherein: (a) ordinary ring spinning yarns; (b) spinning yarns in a vortex mode; (c) the invention produces yarn;
FIG. 2 is an SEM image of a conventional ring spun yarn, a vortex spun yarn, and a yarn produced by the present invention;
wherein: (a) ordinary ring spinning yarns; (b) spinning yarns in a vortex mode; (c) the invention produces yarn.
Detailed Description
The present invention is further described below with reference to examples.
Example 1
(1) The method comprises the following steps of (1) producing air-jet vortex spun yarn with Z-twisted wrapping fiber by using 40S/1 pure cotton yarn through a village MVS870 air-jet vortex spinning machine, wherein the strength of the air-jet vortex spun yarn is 254cN, the feeding ratio is controlled to be 0.98 in the production process, the flying wing inertia is 120mN, and the pressure of a spinning nozzle is 0.55 MPa;
(2) the air jet vortex spun yarn obtained in the step (1) is wound into parallel cop, and the density of the parallel cop is 0.45g/cm3The weight of the plant is 1.5 kg;
(3) twisting the parallel cop obtained in step (2) by a Nissan TS20D twisting machine, controlling the speed of the twisting machine to be 80r/min, the twisting direction to be Z twist, the twisting twist to be 10 twist/inch and the tex twist coefficient to be 152, changing the core yarn fiber in the air-jet vortex spinning yarn from the non-twist parallel state to the spiral state to be distributed, obtaining vortex spinning yarn with ring spinning property, and carrying out strength test on the vortex spinning yarn, wherein the data is shown in Table 1.
Example 2
(1) 50S/1 pure cotton yarn is processed by a village MVS870 air-jet vortex spinning machine to produce air-jet vortex spun yarn with Z-twisted fiber, the strength of the air-jet vortex spun yarn is 227cN, the feed ratio is controlled to be 0.99 in the production process, the flying wing inertia is 100mN, and the pressure of a spinning nozzle is 0.50 MPa;
(2) performing air-jet vortex spinning on the obtained product in the step (1)The yarn was wound into parallel cop having a density of 0.48g/cm3The weight of the plant is 0.5 kg;
(3) twisting the parallel cop obtained in step (2) by using a Nissan TS20D twisting machine, controlling the speed of the twisting machine to be 60r/min, the twisting direction to be Z twist, the twisting twist to be 9 twists/inch and the tex twist coefficient to be 121, changing the fiber of the core yarn in the air-jet vortex spinning yarn from the non-twist parallel state to the spiral state to be distributed, obtaining vortex spinning yarn with ring spinning property, and carrying out strength test on the vortex spinning yarn, wherein the data is shown in Table 1.
Example 3
(1) The 60S/1 pure cotton yarn is processed by a village MVS870 air-jet vortex spinning machine to produce the air-jet vortex spinning yarn with Z-twisted fiber, the strength of the air-jet vortex spinning yarn is 186cN, the feeding ratio is controlled to be 1.0 in the production process, the flying wing inertia is 80mN, and the pressure of a spinning nozzle is 0.45 MPa;
(2) the air jet vortex spun yarn obtained in the step (1) is wound into parallel cop, and the density of the parallel cop is 0.5g/cm3The weight of the plant is 1.0 kg;
(3) twisting the parallel cop obtained in step (2) by a Nissan TS20D twisting machine, controlling the speed of the twisting machine to be 50r/min, the twisting direction to be Z twist, the twisting twist to be 12 twist/inch and the tex twist coefficient to be 147, changing the core yarn fiber in the air-jet vortex spinning yarn from the non-twist parallel state to the spiral state to be distributed, obtaining vortex spinning yarn with ring spinning property, and carrying out strength test on the vortex spinning yarn, wherein the data is shown in Table 1.
Comparative example 1
The 40S/1, 50S/1 and 60S/1 pure cotton yarns are respectively spun into yarns according to a conventional air jet vortex spinning method, and the strength of the yarns is tested, wherein the data are shown in the table 1.
Comparative example 2
The 40S/1, 50S/1 and 60S/1 pure cotton yarns are respectively spun into yarns according to a common ring spinning method, and the yarns are subjected to a strength test, wherein the data are shown in Table 1.
Table 1 brute force test data sheet
| 40S/1 | 50S/1 | 60S/1 | |
| Common ring spinning (cN) | 338 | 309 | 239 |
| Air-jet vortex spinning (cN) | 264 | 241 | 192 |
| Spinning mode (cN) of the invention | 332 | 302 | 241 |
| Strength increase amplitude (cN) | 25.7％ | 25.3％ | 25.5％ |
Claims (10)
1. A vortex spinning method with ring spinning characteristics is characterized in that: the pure cotton yarn is made into air-jet vortex spinning yarn by an air-jet vortex spinning machine, and then twisted, so that the core yarn fiber in the air-jet vortex spinning yarn is changed from a non-twist parallel state to a spiral state and distributed.
2. A vortex spun yarn spinning process with ring spinning characteristics as claimed in claim 1, characterized in that: the pure cotton yarn has a count range of Ne 10-60.
3. A vortex spun yarn spinning process with ring spinning characteristics as claimed in claim 1, characterized in that: when the jet vortex spinning yarn is produced by the jet vortex spinning machine, the feeding ratio is 0.97-1.0, the flying wing inertia is 80-140mN, and the pressure of a spinning nozzle is 0.4-0.55 MPa.
4. A vortex spun yarn spinning process with ring spinning characteristics as claimed in claim 1, characterized in that: the air-jet vortex spinning yarn is air-jet vortex spinning yarn with Z-twist fiber wrapping.
5. A vortex spun yarn spinning process with ring spinning characteristics as claimed in claim 1, characterized in that: the produced air-jet vortex spun yarn is firstly twined into parallel cop and then twisted.
6. The vortex spun yarn spinning method with ring spinning characteristics as claimed in claim 5, characterized in that: the density of the parallel cop is 0.45-0.52g/cm3The weight of each plant is 0.5-1.5 kg/plant.
7. A vortex spun yarn spinning process with ring spinning characteristics as claimed in claim 1, characterized in that: during twisting, a single yarn twisting mode is adopted, and the twisting direction is consistent with the twisting direction of the air jet vortex spun yarn.
8. A vortex spun yarn spinning process with ring spinning characteristics as claimed in claim 1, characterized in that: the twisting degree in twisting is 5-15 twist/inch, and the tex twist coefficient is 75-225; the speed of the twisting is 50-80 r/min.
9. A vortex spun yarn spinning process with ring spinning characteristics as claimed in claim 1, characterized by the steps of:
(1) air-jet vortex spinning: producing air-jet vortex spun yarn from pure cotton yarn by an air-jet vortex spinning machine;
(2) a winding and straightening cylinder: winding the air-jet vortex spun yarn into parallel cop;
(3) twisting: twisting the parallel cop to make the fiber of the core yarn in the air-jet vortex spinning yarn change from the untwisted parallel state to the spiral state to be distributed.
10. A vortex spun yarn made by the spinning process of any of claims 1-9.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113355778A (en) * | 2021-05-26 | 2021-09-07 | 苏州普路通纺织科技有限公司 | Production method of high-strength wear-resistant vortex spun yarn |
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| JP2000265334A (en) * | 1999-03-15 | 2000-09-26 | Toray Ind Inc | Fluff binding spinning and spinning apparatus |
| CN102839452A (en) * | 2011-12-19 | 2012-12-26 | 江南大学 | Device for improving spun yarn quality by utilizing eddy nozzle and applications |
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| CN109735971A (en) * | 2019-01-08 | 2019-05-10 | 武汉纺织大学 | A kind of rotation ingot air vortex spinning method |
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2020
- 2020-09-22 CN CN202011001192.XA patent/CN112095186B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000265334A (en) * | 1999-03-15 | 2000-09-26 | Toray Ind Inc | Fluff binding spinning and spinning apparatus |
| CN103160979A (en) * | 2011-12-16 | 2013-06-19 | 江南大学 | Method for reducing spun yarn hairiness based on circular yarn path |
| CN102839452A (en) * | 2011-12-19 | 2012-12-26 | 江南大学 | Device for improving spun yarn quality by utilizing eddy nozzle and applications |
| CN102926054A (en) * | 2012-11-09 | 2013-02-13 | 东华大学 | Air injection vortex spinning device with pumping component |
| CN103215704A (en) * | 2013-04-09 | 2013-07-24 | 东华大学 | Ring spinning device with pre-twisting device and method |
| CN104831438A (en) * | 2015-04-27 | 2015-08-12 | 东华大学 | Processing method of air-jet vortex spinning yarns |
| CN108950781A (en) * | 2018-10-08 | 2018-12-07 | 合肥经新纺织科技有限公司 | A kind of production method of the blended Air Vortex Spun Yarn of health care |
| CN109735971A (en) * | 2019-01-08 | 2019-05-10 | 武汉纺织大学 | A kind of rotation ingot air vortex spinning method |
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| CN113355778A (en) * | 2021-05-26 | 2021-09-07 | 苏州普路通纺织科技有限公司 | Production method of high-strength wear-resistant vortex spun yarn |
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