CN112538673B - Open-end spinning and production method and application thereof - Google Patents
Open-end spinning and production method and application thereof Download PDFInfo
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- CN112538673B CN112538673B CN202011371487.6A CN202011371487A CN112538673B CN 112538673 B CN112538673 B CN 112538673B CN 202011371487 A CN202011371487 A CN 202011371487A CN 112538673 B CN112538673 B CN 112538673B
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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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Abstract
The invention relates to an open-end spinning and a production method and application thereof. The production method takes Hissel fiber as a raw material, and the Hissel fiber is produced through a blowing-carding process, a drawing process and an air spinning process in sequence; in the air spinning process, the air spinning twist is 936-. The invention also provides the air-jet spun yarn produced by the production method. In addition, the invention also provides the application of the air spinning yarn in producing high-grade knitted and woven fabrics. The open-end spun yarn obtained by the invention has the count of 32-40, and has high strength, pilling resistance and good wear resistance.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to an air-jet spinning yarn and a production method and application thereof.
Background
The open-end spinning is a novel spinning technology, fibers are condensed and twisted in a spinning cup rotating at a high speed by utilizing air flow to output yarn, the open-end spinning has the advantages of high speed, large yarn roll, wide adaptability, simple mechanism and no need of spindles, rings and travelers, and the yield of spun yarn can be improved exponentially.
However, the air spinning is fluffy, the yarn is generally thick and has rough style, and high count yarn with thin yarn and good strength cannot be obtained when Hissel fiber is spun in the prior art.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to obtain high count yarn with thinner yarn and good strength by Hissel fiber.
In order to solve the technical problem, the invention provides an open-end spinning and a production method and application thereof.
The invention provides a production method of open-end spinning, which takes Hissel fiber as a raw material and is produced by a blowing-carding process, a drawing process and an open-end spinning process in turn; in the air spinning process, the air spinning twist is 936-.
Furthermore, in the blowing-carding-drawing process, the distance between 5 points of the cylinder and the cover plate is 10 English yarns, 9 English yarns, 8 English yarns and 9 English yarns, and the dry weight ration of the cotton carding is 15-16g/5 m.
Further, in the drawing process, after two times of combination, 8 pieces of the drawing are combined together, the dry weight ration is 24-24.5g/5 m, the roller gauge is 46mm multiplied by 50mm, and the back zone is drafted by 1.6 times; combining two and 8, the dry weight ration is 24-24.5g/5 m, the roller gauge is 46mm multiplied by 50mm, the back zone is drafted by 1.3 times; the drawing speed of the drawing frame is 500-550 m/min.
Further, the Hissel fiber has a specific strength of 3.75-3.78CN/dtex and an elongation at break of 14-14.5%.
Furthermore, in the blowing-carding-drawing process, the definition of the cotton net is a kind of cotton net, the neps are less than 2 grains/gram, no impurities are contained, and the short fiber rate is 2.5%.
Further, in the drawing process, the RQM parameter of the drawing frame is set as: the A% parking limit value is 1%, and the CV% parking limit value is 4%.
Furthermore, in the air spinning process, a full-automatic air spinning machine is adopted.
The invention also provides the air-jet spun yarn produced by the production method.
Furthermore, the invention also provides the application of the air spinning yarn in producing high-grade knitted and woven fabrics.
Compared with the prior art, the invention has the advantages that: the method adopts Hissel fiber as a raw material, and obtains functional air-jet spun yarn through blowing-carding, drawing and air-jet spinning processes in sequence; particularly, in the air spinning process, the air spinning twist is 936-.
Detailed Description
The specific embodiment provides a production method of air spinning, which takes Hissel fiber as a raw material and is produced by a blowing-carding process, a drawing process and an air spinning process in sequence;
in the blowing-carding-drawing process, the spacing between the cylinder and 5 points of the cover plate is 10 English yarns, 9 English yarns, 8 English yarns and 9 English yarns, and the dry weight ration of cotton carding is 15-16g/5 m; the definition of the cotton net is a kind of cotton net, the neps are less than 2 grains/gram, no impurities are contained, and the short fiber rate is 2.5%;
in the drawing process, two times of combination are carried out, 8 pieces of drawing are carried out, the dry weight ration is 24-24.5g/5 m, the roller gauge is 46mm multiplied by 50mm, and the back zone drafting is 1.6 times; combining two and 8, the dry weight ration is 24-24.5g/5 m, the roller gauge is 46mm multiplied by 50mm, the back zone is drafted by 1.3 times; the drawing speed of the drawing frame is 500-550 m/min; using a Hada draw frame with auto leveling, the RQM parameters were set to: the A% parking limit value is 1%, and the CV% parking limit value is 4%;
in the air spinning process, the air spinning twist is 936-; the full-automatic air flow spinning machine with the Tolyfu Autocoro is used, the technological parameters of the joint are reasonably adjusted according to the joint form and the joint strength, R3:14-17mm, the filling factor is 30-50%, the additional twist is 20%, the yarn passing time is 90-130 ms, and the additional cotton feeding length L is as follows: 6-8 mm. The difference between the joint form and the original yarn is not large, the thickness of the joint form is not easy to be too thick and too thin, the joint strength reaches more than 80% of the original yarn strength, the cotton sliver protection is opened, after the end is broken, the cotton sliver automatically rotates to protect the fibers, the joint consistency is improved, and the cotton sliver protection parameter is set to be L: 15mm, T: for 3 sec. Attention is paid to the phenomena of spinning cup cleaning, bell mouth cleaning and yarn returning; the breakage of the ingot can be controlled within 800. The special models are as follows: the spinning cup type: t633BD, twist-stop disc: a-31, false twister: TS 30-3B, carding roller: b174DN, twist stop head: KSK 6-A.
In the present embodiment, the Hissel fiber has a specific strength of 3.75 to 3.78CN/dtex, an elongation at break of 14 to 14.5%, a linear density of 1.3dtex, a length of 38mm, and a moisture regain of 11.36%.
The embodiment also comprises the air-jet spinning yarn produced by the production method.
Further, the embodiment also comprises the application of the air spinning yarn in producing high-grade knitted and woven fabrics.
The following detailed description of the preferred embodiments of the invention is provided to illustrate the principles of the invention and not to limit the scope of the invention.
Example 1
A functional air-jet spinning yarn is produced by taking Hissel fiber as a raw material through the following process steps:
(1) blowing and carding process
The blowing-carding process is adopted, and the coiling step is omitted, so that the quality of the raw strips is improved, and the short fiber rate of the raw strips is reduced. The spacing between the cylinder and the 5 points of the cover plate is 10 English yarns multiplied by 9 English yarns multiplied by 8 English yarns multiplied by 9 English yarns, and the dry weight ration of cotton carding is 15.9 g/m; the cotton net definition in the carding process is a cotton net, the neps and neps are within 2 grains/gram, no impurities are contained, and the short fiber rate is 2.5%.
(2) Drawing process
Drawing is produced on an SB-D26 → RSB-D26 drawing frame, and the drawing is combined twice, and is provided with an auto-leveling device, so that the uneven fragment property is reduced. After two times of mixing, 8 pieces of the mixture are mixed, the dry weight ration is 24.5g/5 m, the roller gauge is 46mm multiplied by 50mm, the mechanical drafting is 5.7 times, and the back zone drafting is 1.6 times; combining 8 secondary combined yarns, wherein the dry weight ration is 24.5g/5 m, the roller gauge is 46mm multiplied by 50mm, the mechanical drafting is 7.9 times, and the back zone drafting is 1.3 times; the drawing speed of the drawing frame is 550 m/min; the RQM parameter is set to: the A% parking limit value is 1%, and the CV% parking limit value is 4%.
(3) Air spinning process
The air spinning is produced on a full-automatic air spinning machine with Cilefu Autocoro, the electric cleaning and defect cutting and the breakage rate are controlled in the production process, the joint process parameters are reasonably adjusted according to the joint form and the joint strength, the additional feeding is additionally input again, the thickness is 14-17mm, the filling factor is 30-50%, the additional twist is 20%, the yarn passing time is 120ms, and the additional cotton feeding length is L: 6 mm. The difference between the joint form and the original yarn is not large, the thickness of the joint form is not easy to be too thick and too thin, the joint strength reaches more than 80% of the original yarn strength, the cotton sliver protection is opened, after the end is broken, the cotton sliver automatically rotates to protect the fibers, the joint consistency is improved, and the cotton sliver protection parameter is set to be L: 15mm, T: for 3 sec. Attention is paid to the phenomena of spinning cup cleaning, bell mouth cleaning and silk returning. The air spinning twist is 1096 twist/m, the spinning speed is 130000rpm, the carding roller speed is 9500rpm, and the air pressure is 70 mbar; the spinning cup uses a T633BD model, a boronized and carborundum plating layer has high wear resistance and good yarn quality, and the spinning cup matched with the twist-resistant disc uses an A-31 model. The black TS 30-3B false twister is used to improve the twisting effect of chemical fibers. The carding roller is B174DN type, so that flying cotton is prevented from blocking the carding roller. KSK6-A is used for preventing twisting to reduce broken ends. A single yarn with a number of 14.8 and a count of 40 was produced, which was a functional rotor spun yarn.
Example 2
In the rotor spinning process, the rotor spinning twist of 936 twists/m and other process parameters are the same as those of example 1, and a single yarn with the number of 18.5 and the count of 32 is produced.
Example 3
In the blowing-carding process, the dry weight ration of the cotton carding is 16g/5 m;
in the drawing process, the dry weight is quantified by 25g/5 m;
in the air spinning process, the air spinning twist is 1050 twists/m, the spinning part speed is 140000rpm, the carding roller speed is 9000rpm, and the air pressure is 75 mbar; other process parameters were the same as in example 1 to produce a single yarn with a count of 15.2 and a count of 39.
Comparative example 1
In the air spinning process, the air spinning twist is 900 twist/m, the spinning section speed is 120000rpm, the opening roller speed is 8000rpm, and other process parameters are the same as those of example 1, and a single yarn with the number of 31 and the number of 19 is produced.
Performance testing
The functional open-end spun yarns produced in examples 1 to 3 and comparative example 1 were subjected to a correlation performance test according to a conventional method or a national standard in the textile field, and the test results are shown in table 1 below.
Table 1 test results of functional air-jet yarns produced in examples 1 to 3 and comparative example 1
As can be seen from the data in table 1 above, the quality of the pure spun high count yarn obtained in examples 1 to 3 is good, the yarn evenness index meets the first-class standard of the lyocell natural color yarn standard, the production requirement is strongly met, and the production process is normally interrupted. The yarn index in comparative example 1 was inferior to the yarns of examples 1-3, and the production process interruptions were higher.
Compared with the prior art, the invention also has the following beneficial effects:
1) the invention adopts Hissel fiber as raw material, and obtains functional air-jet spun yarn through blowing-carding, drawing and air-jet spinning processes in sequence, wherein the count of the functional air-jet spun yarn is 32-40, and the functional air-jet spun yarn has the advantages of high strength, pilling resistance, wear resistance and the like.
2) The functional open-end spinning yarn produced by the invention can be widely used for knitting and tatting high-grade fabrics, and the fabrics have the advantages of moisture absorption, ventilation and soft hand feeling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (4)
1. The production method of open-end spinning is characterized in that Hissel fiber is used as a raw material and is produced through a blowing-carding process, a drawing process and an open-end spinning process in turn; in the air spinning process, the air spinning twist is 936-;
in the blowing-carding-drawing process, the spacing between the cylinder and 5 points of the cover plate is 10 English yarns, 9 English yarns, 8 English yarns and 9 English yarns, and the dry weight ration of cotton carding is 15-16g/5 m; in the drawing process, two times of combination are carried out, 8 pieces of drawing are carried out, the dry weight ration is 24-24.5g/5 m, the roller gauge is 46mm multiplied by 50mm, and the back zone drafting is 1.6 times; combining two and 8, the dry weight ration is 24-24.5g/5 m, the roller gauge is 46mm multiplied by 50mm, the back zone is drafted by 1.3 times; the drawing speed of the drawing frame is 500-550m/min, and the RQM parameter of the drawing frame is set as follows: the A% parking limit value is 1%, and the CV% parking limit value is 4%; the Hissel fiber has the specific strength of 3.75-3.78CN/dtex and the elongation at break of 14-14.5 percent; in the blowing-carding-drawing process, the definition of the cotton net is a kind of cotton net, the neps are less than 2 grains/gram, and the short fiber rate is 2.5%.
2. The production method according to claim 1, wherein in the air spinning process, a fully automatic air spinning machine is used.
3. An air-spun yarn produced by the production method as set forth in any one of claims 1 to 2.
4. Use of the open-end spun yarn of claim 3 in the production of knitted and woven luxury fabrics.
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| CN112538673B true CN112538673B (en) | 2022-04-12 |
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| CN113106585B (en) * | 2021-04-13 | 2022-05-13 | 魏桥纺织股份有限公司 | Domestic lyocell high-count yarn and production method thereof |
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| CN103726151A (en) * | 2012-10-11 | 2014-04-16 | 际华三五四二纺织有限公司 | Method for spinning through waste cotton |
| CN104695074A (en) * | 2015-03-31 | 2015-06-10 | 浙江湖州威达纺织集团有限公司 | Air-spun viscose warp-knitted yarn and preparation method thereof |
| CN109056132A (en) * | 2018-09-25 | 2018-12-21 | 吐鲁番常新纺织有限公司 | A kind of spinning process of the super soft yarn of imitative airflow |
| CN109137190A (en) * | 2018-10-31 | 2019-01-04 | 山东华晨彩装科技有限公司 | A kind of production technology for washing 32 count yarns blended with beautiful jade Sai Er |
| CN109322016A (en) * | 2018-11-12 | 2019-02-12 | 山东华晨彩装科技有限公司 | A kind of air-flow spinning process for washing 21 count yarns blended with beautiful jade Sai Er |
| CN109853096A (en) * | 2019-02-15 | 2019-06-07 | 宜宾惠美精纺科技股份有限公司 | A kind of yarn and preparation method |
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2020
- 2020-11-30 CN CN202011371487.6A patent/CN112538673B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726151A (en) * | 2012-10-11 | 2014-04-16 | 际华三五四二纺织有限公司 | Method for spinning through waste cotton |
| CN104695074A (en) * | 2015-03-31 | 2015-06-10 | 浙江湖州威达纺织集团有限公司 | Air-spun viscose warp-knitted yarn and preparation method thereof |
| CN109056132A (en) * | 2018-09-25 | 2018-12-21 | 吐鲁番常新纺织有限公司 | A kind of spinning process of the super soft yarn of imitative airflow |
| CN109137190A (en) * | 2018-10-31 | 2019-01-04 | 山东华晨彩装科技有限公司 | A kind of production technology for washing 32 count yarns blended with beautiful jade Sai Er |
| CN109322016A (en) * | 2018-11-12 | 2019-02-12 | 山东华晨彩装科技有限公司 | A kind of air-flow spinning process for washing 21 count yarns blended with beautiful jade Sai Er |
| CN109853096A (en) * | 2019-02-15 | 2019-06-07 | 宜宾惠美精纺科技股份有限公司 | A kind of yarn and preparation method |
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