CN111549436A - Composite elastic vortex spinning knitted fabric and preparation method thereof - Google Patents
Composite elastic vortex spinning knitted fabric and preparation method thereof Download PDFInfo
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- CN111549436A CN111549436A CN202010326947.7A CN202010326947A CN111549436A CN 111549436 A CN111549436 A CN 111549436A CN 202010326947 A CN202010326947 A CN 202010326947A CN 111549436 A CN111549436 A CN 111549436A
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- yarn
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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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
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
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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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/22—Devices for preparatory treatment of threads
- D04B35/24—Devices for preparatory treatment of threads by moistening or lubricating
-
- 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
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
-
- 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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention discloses a preparation method of a composite elastic vortex spinning knitted fabric, which comprises the following steps: a yarn production process: plucking → mixing → picking → carding → drawing → vortex spinning machine; the production process of the fabric comprises the following steps: vortex spinning composite yarn → inverted tube → knitted sheet → looping → flat car → hand sewing → washing → drying → ironing → packaging → warehousing; in the yarn production process, viscose and polyester filament are used as raw materials, and air-jet vortex spinning is adopted for spinning; in the production process of the fabric, R32S + T50D composite yarn is knitted by a single-side flat needle on a computerized flat knitting machine. The invention relates to a composite elastic vortex spinning knitted fabric and a preparation method thereof, which adopts a vortex spinning process to spin composite elastic yarns, has short flow and unique yarn structure of vortex spinning, and the obtained fabric not only has the advantages of smooth and clean cloth surface, stiffness, smoothness, good elasticity, excellent fuzzing and pilling resistance and the like, but also has the advantages of softness, comfort and excellent hygroscopicity of viscose and excellent wearability.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to a composite elastic vortex spinning knitted fabric and a preparation method thereof.
Background
The composite yarn is also called covering yarn, and is a new type yarn formed by combining two or more fibers. Usually, synthetic fiber filaments with good strength and elasticity are used as core filaments, and short fibers such as cotton, wool and viscose are coated outside the core filaments for composite spinning. Because of the excellent performance of both filament core yarn and outer short fiber, the yarn is popular in the market. The core-spun yarn mentioned in the cotton spinning industry at present mainly refers to a spinning technology formed by additionally arranging an auxiliary device on a ring spinning frame, and comprises an elastic core-spun yarn device and a non-elastic core-spun yarn device, and core filaments of composite yarns produced by the ring spinning device are easy to expose. The air-jet vortex spinning technology is developed, a better solution is provided for solving the problems of the composite yarn, and according to the air-jet vortex spinning principle, the filament can be uniformly coated by the outer coated fiber when passing through the middle nozzle, so that the filament is really coated in the middle, and the problem that the filament is exposed can be better solved.
On the basis of air-jet vortex spinning, the composite elastic vortex spinning yarn is developed by optimizing vortex spinning parameters, and the knitted fabric is developed on the basis, so that the application range of the vortex spinning technology is expanded, and the knitted fabric is diversified in variety.
Disclosure of Invention
The invention aims to provide a composite elastic vortex spinning knitted fabric and a preparation method thereof, and the composite elastic vortex spinning knitted fabric meets the requirements of practical application.
In order to solve the technical problem, the invention aims to realize that:
the invention relates to a preparation method of a composite elastic vortex spinning knitted fabric, which comprises the following steps:
A) a yarn production process: plucking → mixing → picking → carding → drawing → vortex spinning machine;
B) the production process of the fabric comprises the following steps: vortex spinning composite yarn → inverted tube → knitted sheet → looping → flat car → hand sewing → washing → drying → ironing → packaging → warehousing;
in the yarn production process, viscose and polyester filament are used as raw materials, and air-jet vortex spinning is adopted for spinning; the feeding tension of the core yarn is controlled to be 12-14 cN, the feeding ratio is 0.91-0.95, and the air pressure of a nozzle is 0.50-0.52 MPa; setting an electronic yarn clearer: neps + 200%, short nubs + 85% x 3.5cm, long nubs + 40% x 35 cm;
in the production process of the fabric, R32S + T50D composite yarn is adopted to be knitted on a computerized flat knitting machine, and the fabric adopts a fabric tissue as a single-side plain knitting; transverse density: 75.6/10 cm; longitudinal density: 48.4/10 cm; needle number: 12G; gram weight: 186 grams per square meter.
As a further illustration of the scheme, the single fiber strength of the viscose is not less than 2.8cN/dtex, and the elongation at break is 22-27%; the breaking strength of the polyester filament yarn is not less than 3.4cN/dtex, and the elongation at break is 120-150%. In the raw material selection, the air-jet vortex spinning is adopted, so that the process is short and high in speed, but the requirement on uniformity and consistency of fiber length is high, and the viscose fiber and the polyester filament yarn are selected for ensuring the quality of finished yarn.
As a further explanation of the above-described solution, the machine configuration in the yarn production process is as follows:
the full-automatic BO-A2300 bale plucker of the Spanish Tripteri → MX-U6 multi-chamber bale plucker → CL-C1 scutcher → TC5-1S high-yield cotton carding machine → TD7 first drawing frame → TD7 second drawing frame → TD8 third drawing frame (self-leveling) → VORTEX III870 village VORTEX spinner.
As a further explanation of the scheme, in the opening and picking process, the scutching is mainly performed by fully opening and mixing, and the strength of the beater is properly reduced by adopting the process principles of short flow, less grabbing and frequent grabbing and more loosening and less beating. The above-mentioned technological principle is selected because the viscose fiber has the characteristics of good uniformity, less impurities and the like.
As a further explanation of the above scheme, three drawing passes are adopted in the drawing process:
and (3) head combination: combining 6 strips, wherein the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.0-6.3 times, the strip-producing speed is not more than 260/min, and the semi-cooked strip ration is less than 28g/5 m;
secondly, combining: combining 6 pieces, wherein the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.5-6.8 times, the sliver-producing speed is not more than 280/min, and the cooked sliver ration is less than 26g/5 m;
and thirdly: combining 6 pieces, wherein the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.5-6.8 times, the sliver-producing speed is not more than 350m/min, and the cooked sliver ration is less than or equal to 25g/5 m.
As a further explanation of the above scheme, the yarn is first waxed and lubricated during the weaving of the fabric. The degree of smoothness of the yarn can be improved by waxing and lubricating the yarn. And the yarn guide device is suitable for increasing yarn guide tension during weaving, and is convenient for straightening yarns.
The invention also relates to the composite elastic vortex spinning knitted fabric prepared according to the preparation method.
The invention has the beneficial effects that: the invention relates to a composite elastic vortex spinning knitted fabric and a preparation method thereof, which adopts a vortex spinning process to spin composite elastic yarns, has short flow and unique yarn structure of vortex spinning, and the obtained fabric not only has the advantages of smooth and clean cloth surface, stiffness, smoothness, good elasticity, excellent fuzzing and pilling resistance and the like, but also has the advantages of softness, comfort and excellent hygroscopicity of viscose and excellent wearability.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to examples.
It is noted that the terms first, second and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
The preparation method of the composite elastic vortex spinning knitted fabric related to the embodiment comprises the following steps:
A) a yarn production process: plucking → mixing → picking → carding → drawing → vortex spinning machine.
The machine table configuration in the yarn production process is as follows:
the full-automatic BO-A2300 bale plucker of the Spanish Tripteri → MX-U6 multi-chamber bale plucker → CL-C1 scutcher → TC5-1S high-yield cotton carding machine → TD7 first drawing frame → TD7 second drawing frame → TD8 third drawing frame (self-leveling) → VORTEX III870 village VORTEX spinner.
B) The production process of the fabric comprises the following steps: vortex spinning composite yarn → inverted tube → knitted sheet → looping → flat car → hand sewing → water washing → drying → ironing → packaging → warehousing.
In the yarn production process, viscose and polyester filament are used as raw materials, and air-jet vortex spinning is adopted for spinning; as the air jet vortex spinning is adopted, the process is short and the speed is high, but the requirement on the uniformity and the consistency of the fiber length is high. Preferably selecting viscose fibers with the specification of 1.22dtex multiplied by 38mm, the single fiber strength of 2.8cN/dtex and the elongation at break of 23-25%; the polyester stretch yarn is 50D/32F, the breaking strength is 3.4cN/dtex, and the elongation at break is 125-140%.
Preferably, in the step a, the blowing-carding step: because the viscose fiber has the characteristics of good uniformity, less impurities and the like, in the opening and picking process, the cotton picking is mainly performed by fully opening and mixing, and the technological principle of short flow, less grabbing and frequent grabbing and more loosening and less beating is adopted, so that the strength of the beater is properly reduced.
Preferably, the drawing process in the step A is short in vortex spinning process and free of a roving process, and therefore three-pass combination is adopted, the straightening parallelism of the fibers is improved, and the yarn quality is guaranteed.
And (3) head combination: 6 pieces are combined, the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.0-6.3 times, the sliver-producing speed is not more than 260/min, and the half-cooked sliver ration is less than 28g/5 m.
Secondly, combining: combining 6 pieces, wherein the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.5-6.8 times, the sliver-producing speed is not more than 280/min, and the cooked sliver ration is less than 26g/5 m.
And thirdly: combining 6 pieces, wherein the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.5-6.8 times, the sliver-producing speed is not more than 350m/min, and the cooked sliver ration is less than or equal to 25g/5 m.
In the production of core-spun yarns by adopting air-jet vortex spinning, the selection of proper tension for feeding core yarns is important. The tension is too low, the core wire cannot be fully straightened, and the core wire is easily exposed; the tension is too large, the accidental drafting can occur in the spinning process, the yarns are wrinkled and retracted, the cloth cover crosspiece is easily caused during weaving, and the uneven dyeing is increased. The feeding tension of the core yarn is controlled to be 12-14 cN, the feeding ratio is 0.91-0.95, and the air pressure of a nozzle is 0.50-0.52 MPa. Specifically, the vortex yarn process configuration in the present invention is: the feeding tension is controlled at 13cN, the feeding ratio is 0.94, the nozzle air pressure is 0.52MPa, the spinning speed is 450m/min, the condenser specification is 3mm, and the friction roller tension is 120 cN. Setting of draft multiple: the total draft is 245, the main draft is 30, and the back draft is 3.0.
The sensor in the electronic yarn cleaner converts the thickness change of the yarn into corresponding electric signals, and the signals are processed to control the executing mechanism to cut off the yarn faults exceeding the set thickness and length, so as to eliminate the yarn faults affecting the product quality. The electronic yarn clearer has good yarn clearing effect, no damage to yarns and convenient adjustment. In the present invention, the electronic clearer is set: neps + 200%, short nubs + 85% x 3.5cm, long nubs + 40% x 35 cm. Can effectively remove yarn faults and improve yarn evenness.
In the fabric production procedure in the step B, the yarns are firstly waxed and lubricated to improve the smoothness of the yarns and properly increase the yarn guide tension, so that the yarns can be conveniently straightened.
Specifically, R32S + T50D composite yarn is adopted to be knitted on a computerized flat knitting machine, and fabric adopts a fabric tissue as a single-side plain knitting; transverse density: 75.6/10 cm; longitudinal density: 48.4/10 cm; needle number: 12G; gram weight: 186 grams per square meter. The obtained fabric has the advantages of smooth and clean cloth surface, stiffness, good elasticity, excellent fuzzing and pilling resistance and the like, simultaneously gives consideration to softness, comfort and excellent moisture absorption of the viscose glue, and has excellent wearability.
And (3) detecting a finished product:
the detection of the national textile product quality supervision and inspection center (Jiangyin) is as follows: the product safety meets the detection B-type requirements of GB18401-2010 national basic safety technical Specification for textile products; the quality grade of the product meets the first-class requirement of FZT 73010-. The method comprises the following specific steps:
water color fastness: 4-5 (technical requirement 3 level); acid sweat stain resistance color fastness: 4-5 (technical requirement 3 level); color fastness to alkali perspiration: 4-5 (technical requirement 3). Fastness to rubbing: dry friction: 4-5 (technical requirement 3). No formaldehyde was detected (technical requirement less than 75 mg/kg).
The invention selects raw materials, optimizes spinning technical parameters and optimizes the flat knitting machine process, and finally successfully develops the eddy current spinning composite elastic yarn knitting product with few markets. Through relevant standard detection, the product does not detect formaldehyde and has the characteristic of environmental protection; the color fastness to washing and the rubbing fastness are higher than the standard, meet the standard regulation of national basic safety technical standard of textile products, meet the safety requirements of B class, and meet the first-class requirements of knitted technical shirts.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A preparation method of a composite elastic vortex spinning knitted fabric is characterized by comprising the following steps:
A) a yarn production process: plucking → mixing → picking → carding → drawing → vortex spinning machine;
B) the production process of the fabric comprises the following steps: vortex spinning composite yarn → inverted tube → knitted sheet → looping → flat car → hand sewing → washing → drying → ironing → packaging → warehousing;
in the yarn production process, viscose and polyester filament are used as raw materials, and air-jet vortex spinning is adopted for spinning; the feeding tension of the core yarn is controlled to be 12-14 cN, the feeding ratio is 0.91-0.95, and the air pressure of a nozzle is 0.50-0.52 MPa; setting an electronic yarn clearer: neps + 200%, short nubs + 85% x 3.5cm, long nubs + 40% x 35 cm;
in the production process of the fabric, R32S + T50D composite yarn is adopted to be knitted on a computerized flat knitting machine, and the fabric adopts a fabric tissue as a single-side plain knitting; transverse density: 75.6/10 cm; longitudinal density: 48.4/10 cm; needle number: 12G; gram weight: 186 grams per square meter.
2. The preparation method of the composite elastic vortex spinning knitted fabric according to claim 1, wherein the single fiber strength of the viscose is not less than 2.8cN/dtex, and the elongation at break is 22-27%; the breaking strength of the polyester filament yarn is not less than 3.4cN/dtex, and the elongation at break is 120-150%.
3. The method for preparing a composite elastic vortex spun knitted fabric according to claim 1, wherein a machine table in a yarn production process is configured as follows:
the full-automatic BO-A2300 bale plucker of the Spanish Tripteri → MX-U6 multi-chamber bale plucker → CL-C1 scutcher → TC5-1S high-yield cotton carding machine → TD7 first drawing frame → TD7 second drawing frame → TD8 third drawing frame (self-leveling) → VORTEX III870 village VORTEX spinner.
4. The method for preparing a composite elastic vortex spun knitted fabric according to claim 1, wherein in the opening and picking process, the picking is mainly performed by fully opening and mixing, and the beater strength is properly reduced by adopting the process principles of short process, less grabbing and holding, more loosening and less beating.
5. The method for preparing the composite elastic vortex spinning knitted fabric according to claim 3, wherein three drawing processes are adopted in the drawing process:
and (3) head combination: combining 6 strips, wherein the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.0-6.3 times, the strip-producing speed is not more than 260/min, and the semi-cooked strip ration is less than 28g/5 m;
secondly, combining: combining 6 pieces, wherein the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.5-6.8 times, the sliver-producing speed is not more than 280/min, and the cooked sliver ration is less than 26g/5 m;
and thirdly: combining 6 pieces, wherein the gauge is 45mm multiplied by 55mm, the total drafting multiple is controlled within the range of 6.5-6.8 times, the sliver-producing speed is not more than 350m/min, and the cooked sliver ration is less than or equal to 25g/5 m.
6. The method for preparing a composite elastic vortex spun yarn knitted fabric according to claim 1, wherein the yarn is waxed and lubricated during the fabric weaving process.
7. A composite elastic vortex spun knitted fabric produced by the production method according to any one of claims 1 to 6.
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| CN202010326947.7A CN111549436A (en) | 2020-04-23 | 2020-04-23 | Composite elastic vortex spinning knitted fabric and preparation method thereof |
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| CN202010326947.7A CN111549436A (en) | 2020-04-23 | 2020-04-23 | Composite elastic vortex spinning knitted fabric and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112877873A (en) * | 2020-12-29 | 2021-06-01 | 江阴芗菲纺织科技有限公司 | Anti-pilling super-soft knitted fabric and preparation method thereof |
| US11359309B2 (en) | 2018-12-21 | 2022-06-14 | Target Brands, Inc. | Ring spun yarn and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103541084A (en) * | 2013-10-28 | 2014-01-29 | 绍兴国周针织科技有限公司 | Production method of vortex spun colored silk yarns |
| CN104195693A (en) * | 2014-06-30 | 2014-12-10 | 吴江京奕特种纤维有限公司 | Novel viscose/dacron composite yarn producing method |
| CN104337079A (en) * | 2013-08-08 | 2015-02-11 | 东丽纤维研究所（中国）有限公司 | Knitted fabric and production method and use thereof |
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2020
- 2020-04-23 CN CN202010326947.7A patent/CN111549436A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104337079A (en) * | 2013-08-08 | 2015-02-11 | 东丽纤维研究所（中国）有限公司 | Knitted fabric and production method and use thereof |
| CN103541084A (en) * | 2013-10-28 | 2014-01-29 | 绍兴国周针织科技有限公司 | Production method of vortex spun colored silk yarns |
| CN104195693A (en) * | 2014-06-30 | 2014-12-10 | 吴江京奕特种纤维有限公司 | Novel viscose/dacron composite yarn producing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11359309B2 (en) | 2018-12-21 | 2022-06-14 | Target Brands, Inc. | Ring spun yarn and method |
| US11767618B2 (en) | 2018-12-21 | 2023-09-26 | Target Brands, Inc. | Ring spun yarn and method |
| CN112877873A (en) * | 2020-12-29 | 2021-06-01 | 江阴芗菲纺织科技有限公司 | Anti-pilling super-soft knitted fabric and preparation method thereof |
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Application publication date: 20200818 |