CN109722751B - Method for manufacturing combined yarn - Google Patents
Method for manufacturing combined yarn Download PDFInfo
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- CN109722751B CN109722751B CN201811614275.9A CN201811614275A CN109722751B CN 109722751 B CN109722751 B CN 109722751B CN 201811614275 A CN201811614275 A CN 201811614275A CN 109722751 B CN109722751 B CN 109722751B
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Abstract
The invention discloses a manufacturing method of a combined yarn, which comprises the following steps: melting the fiber raw material, and then spinning through a spinneret plate of a spinning machine; bundling the fibers after spinning; drafting the collected fibers and simultaneously curling the fibers; carrying out shaping treatment on the fibers; cutting the shaped fiber; the spinneret plate is provided with hundreds of spinneret orifices, and each spinneret orifice comprises at least one crescent I-shaped orifice structure. The combined yarn processed by the method solves the problems of poor stiffness, poor air permeability, poor heat insulation and heat dissipation performance and the like of the denim woven by the existing synthetic yarn for weaving, has the advantages of ultralight weight, softness, beautiful appearance, wear resistance and the like, reduces the weaving cost, and is suitable for being made into high-grade clothes, particularly spring and autumn clothes, and has good market prospect.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a manufacturing method of a combined yarn.
Background
The prior jean mainly adopts cotton, also adopts various raw material structures, such as cotton, wool, silk and hemp natural fiber blending, and chemical fiber blending, such as cotton/polyester blended fabric, cotton and other fibers such as Tencel, flax and wool yarn are woven together, and elastic yarn, tightly twisted yarn, fancy yarn and the like are used as raw materials. These denim products, unlike many products on the denim market, give consumers a high level of product design and value added apparel. The use of mercerized stretch denim and ring spun yarn can also improve the value of the product, and some companies have invested in the fields. However, the existing synthetic yarn and jean woven by the same still have the problems of rigidity, poor air permeability and water permeability, poor heat insulation and heat dissipation performance and the like caused by round-hole fibers. Consumers have made higher demands on the softness, comfort and easy care of denim fabrics, and denim finishers have to respond to these demands to gain a larger market.
Disclosure of Invention
In order to improve the problems of the existing denim woven by the synthetic yarns for weaving, such as poor stiffness, poor air permeability, poor water permeability, poor heat insulation and heat dissipation performance, the invention provides the manufacturing method of the combined yarn.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method of making a combination yarn, comprising: the method comprises the following steps:
1) after the fiber raw materials are melted, spinning by a spinneret plate of a spinning machine;
2) bundling the fibers after spinning;
3) drawing the collected fibers and simultaneously curling the fibers;
4) carrying out shaping treatment on the fibers;
5) cutting the shaped fiber;
wherein, the spinneret is equipped with hundreds of thousands of spinneret orifices, and every spinneret orifice contains at least one crescent I-shaped pore structure, crescent I-shaped pore structure includes: the connecting structure comprises a first bent part, a second bent part, a connecting part and four end parts, wherein the first bent part is connected with the second bent part through the connecting part, the first bent part and the second bent part are both arc-shaped, and the radian directions of the first bent part and the second bent part are opposite; the end parts are respectively arranged at the two ends of the first bent part and the second bent part; the radian directions are opposite, namely the ray direction pointing to the circle center of the first bent part from the connection point of the first bent part and the connection part is opposite to the ray direction pointing to the circle center of the second bent part from the connection point of the second bent part and the connection part.
The first bent part, the second bent part, the connecting part and the four end parts are all hollow structures, and the hollow structures are communicated with each other.
The composite yarn is spun by cotton, polyester fiber, nylon fiber and spandex fiber, wherein the cotton comprises 48-52% of the components, the polyester fiber comprises 28-32% of the components, the nylon fiber comprises 14-16% of the components, and the spandex fiber comprises 4-6% of the components; the linear density of the polyester fiber is 2.4-2.5 dtex, the linear density of the nylon fiber is 2.1-2.2 dtex, the linear density of the spandex fiber is 1.6-1.7 dtex, the lengths of the polyester fiber and the nylon fiber are both 48-52mm, and the length of the spandex fiber is 42-46 mm.
The spinneret plate for spinning the polyester fibers is provided with 450 spinneret holes; the spinneret plate used for spinning the nylon fiber is provided with 600 spinneret holes, and the spinneret plate used for spinning the spandex fiber is provided with 850 spinneret holes.
Wherein, the spinneret orifice on the spinneret plate used for spinning the polyester fiber contains 4 crescent I-shaped pore structures; the spinneret orifices on the spinneret plate for spinning the nylon fibers comprise 3 crescent I-shaped hole structures, and the spinneret orifices on the spinneret plate for spinning the spandex fibers comprise 1 crescent I-shaped hole structure.
Wherein the combination yarn is spun by natural colored cotton, polyester fiber, polyamide fiber and spandex fiber, wherein,
the natural colored cotton comprises 65-70% of components, 13-16% of polyester fibers, 10-13% of polyamide fibers and 6-8% of spandex fibers; the linear density of the polyester fiber is 2.0-2.25 dtex, the linear density of the nylon fiber is 1, 8-2.0 dtex, the linear density of the spandex fiber is 1.33-1.56 dtex, the lengths of the polyester fiber and the nylon fiber are both 40-45mm, and the length of the spandex fiber is 38-42 mm.
The spinneret plate for spinning the polyester fibers is provided with 580 spinneret holes; the spinneret plate used for spinning the nylon fiber is provided with 780 spinneret holes, and the spinneret plate used for spinning the spandex fiber is provided with 970 spinneret holes.
Wherein, the spinneret orifice on the spinneret plate used for spinning the polyester fiber contains 3 crescent I-shaped pore structures; the spinneret orifices on the spinneret plate for spinning the nylon fibers comprise 2 crescent I-shaped hole structures, and the spinneret orifices on the spinneret plate for spinning the spandex fibers comprise 1 crescent I-shaped hole structure.
Compared with the prior art, the technical scheme adopted by the invention has the following beneficial effects:
the combined yarn processed by the method solves the problems of poor stiffness, air permeability, water permeability, heat insulation and heat dissipation performance and the like of the denim woven by the existing synthetic yarn for spinning, has the advantages of ultra-light weight, softness, beautiful appearance, wear resistance and the like, is not influenced by humid and dry climatic environments in the south and north, particularly does not have the feeling of wet stiffness in the humid environment, greatly improves the air permeability, the water permeability, the heat insulation and the heat dissipation performance compared with the existing denim, reduces the weaving cost, and is suitable for being made into high-grade clothes, particularly spring and autumn clothes, thereby having good market prospect.
Drawings
FIG. 1 is a schematic view of a combined yarn processing process of the present invention;
FIG. 2 is an enlarged view of the structure of the spinneret holes of the spinneret plate for spinning the combined yarn of the present invention;
fig. 3 is an enlarged structural schematic view of the crescent-shaped i-shaped hole in fig. 2.
1. A spinneret orifice; 2. a crescent I-shaped hole; 201. a first bent portion; 202. a second bent portion; 203. a connecting portion; 204. and an end portion.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the present embodiment relates to a method for manufacturing a combination yarn, comprising:
1) after the fiber raw materials are melted, spinning by a spinneret plate through a spinning machine;
2) bundling the fibers after spinning;
3) drawing the collected fibers and simultaneously curling the fibers;
4) carrying out shaping treatment on the fibers;
5) and cutting the fiber into required length.
In the step 1), the spinning is extruded by a screw of a spinning machine and is sprayed out by a spinneret plate, wherein the spinneret plate is a stainless steel plate provided with 500-1000 spinneret holes 1, and each spinneret hole 1 comprises at least one crescent I-shaped hole 2 structure. Wherein, crescent I-shaped hole 2 includes: the connecting structure comprises a first bent part 201, a second bent part 202, a connecting part 203 and four end parts 204, wherein the first bent part 201 is connected with the second bent part 202 through the connecting part 203, and the first bent part 201 and the second bent part 202 are both arc-shaped and have opposite arc directions. The opposite arc directions mean that the ray direction from the connection point of the first bent part 201 and the connection part 203 to the center of the first bent part 201 is opposite to the ray direction from the connection point of the second bent part 202 and the connection part 203 to the center of the second bent part 202. Both ends of the first bent portion 201 and the second bent portion 202 are respectively provided with an end portion 204; the first bent portion 201, the second bent portion 202, the connecting portion 203 and the four end portions 204 are all hollow structures, and the interiors of the hollow structures are communicated with each other. The crescent I-shaped hole structure can improve the air permeability and the water permeability of the prepared fiber, particularly prevent the adhesion in the spinning process and improve the preparation rate of the hollow fiber. The crescent I-shaped hole 2 structure can effectively improve the softness of the fiber, the porosity of the hollow fiber and the like; the end 204 of the port can also support the hole, increase stability, and improve water absorption and air permeability of the fiber.
In the scheme, the spinneret orifices comprise a plurality of crescent-shaped I-shaped hole structures, and the woven fibers are hollow fibers with the crescent-shaped I-shaped hole structures. For example, polyester hollow fibers with a 3-crescent-shaped I-shaped hole structure can be obtained by carrying out polyester fiber spinning through a spinneret hole with a 3-crescent-shaped I-shaped hole structure; carrying out nylon fiber spinning by using a spinneret orifice with a 2-crescent-shaped I-shaped hole structure to prepare nylon hollow fibers with the 2-crescent-shaped I-shaped hole structure; the spandex hollow fiber with the structure of 1 crescent-shaped I-shaped hole 2 can be prepared by carrying out spandex fiber spinning by using the spinneret hole with the structure of 1 crescent-shaped I-shaped hole.
In the scheme, the number of the spinneret orifices 1 of the spinneret plate is selected according to the design requirement of the spinning process and by combining the linear density and other parameter indexes of the hollow fibers, and is determined according to the number of the spinneret orifices 1 of the hollow fibers corresponding to the number of crescent I-shaped holes in the size of the spinneret plate of the general spinning machine; that is, for the spinning of hollow polyester fiber preferably with the spinneret that is equipped with 450 ~ 580 spinneret orifices 1, for the spinning of hollow nylon fiber preferably with the spinneret that is equipped with 600 ~ 780 spinneret orifices 1, for the spinning of hollow spandex fiber preferably with the spinneret that is equipped with 850 ~ 970 spinneret orifices 1.
Example 1
The present embodiment relates to a method of manufacturing a combination yarn, comprising:
1) melting the fiber raw material at 293 ℃, extruding the fiber raw material by a screw of a spinning machine, and spinning by a spinneret plate at the speed of about 328 m/min;
2) bundling the fibers after spinning through a gathering device, wherein the bundling amount is about 41 ten thousand dtex;
3) the collected fibers were drawn by a drawing device at a speed of about 970 m/min, and the fibers were formed into fibers of 3 curls/cm by a curling device,
4) the fiber is shaped through 5 sections of temperature zones to ensure the performance and yield of the fiber; the length of 5 sections of temperature areas is 4 meters, and the temperature of 5 sections of temperature areas is respectively: the setting speed of the 1-zone 93 ℃, the 2-zone 100 ℃, the 3-zone 136 ℃, the 4-zone 124 ℃ and the 5-zone 88 ℃ passing through the 5-zone temperature zone is 1.2 m/min;
5) the fiber thus produced was cut into a desired length by a rotary cutter of a spinning machine cutting device.
Example 2
The present embodiment relates to a method of manufacturing a combination yarn, comprising:
1) melting the fiber raw material at 288 ℃, extruding the fiber raw material by a screw of a spinning machine, and spinning by a spinneret plate at the speed of 300 m/min;
2) bundling the fibers after spinning through a gathering device, wherein the bundling amount is 32 ten thousand dtex;
3) the collected fibers were drawn by a drawing device at a speed of 930 m/min, and the fibers were formed into fibers of 2.5 curls/cm by a curling device,
4) the fiber is shaped through 5 sections of temperature zones to ensure the performance and yield of the fiber; the length of 5 sections of temperature areas is 3.5 meters, and the temperature of 5 sections of temperature areas is respectively: the setting speed of the temperature zone of 5 sections is 1.1 m/min at 90 ℃ in the zone 1, 95 ℃ in the zone 2, 130 ℃ in the zone 3, 125 ℃ in the zone 4 and 92 ℃ in the zone 5;
5) the fiber thus produced is cut into a desired length by a rotary cutter of a cutting device.
The combined yarn can be prepared from cotton (or natural colored cotton), polyester fiber, polyamide fiber and spandex fiber by a spinning process, and the component proportion of the combined yarn can be as follows:
1) 67% of natural colored cotton, 16% of polyester fiber, 10% of nylon fiber and 7% of spandex fiber; the linear density of the fibers is preferably: the polyester fiber is 2.0dtex, the polyamide fiber is 1.8dtex, and the spandex fiber is 1.4dtex, and the selection is mainly because the softness and the thickness, the hand feeling and the like of the woven cloth can be influenced by the excessive thickness of the corresponding fiber, and the manufacturing cost is too high due to the high technological level required by the excessive thickness; the lengths of the polyester fiber and the polyamide fiber are both preferably 45mm, and the length of the spandex fiber is preferably 40 mm.
2) 70% of natural colored cotton, 14% of polyester fiber, 10% of nylon fiber and 6% of spandex fiber; the linear density of the polyester fiber is 2.25dtex, the linear density of the polyamide fiber is 2.0dtex, the linear density of the spandex fiber is 1.56dtex, the lengths of the polyester fiber and the polyamide fiber are both 45mm, and the length of the spandex fiber is 42 mm.
3) 65% of natural colored cotton, 14% of polyester fiber, 13% of nylon fiber and 8% of spandex fiber; the linear density of the fibers is preferably: the linear density of the polyester fiber is 2.0dtex, the linear density of the nylon fiber is 1.8dtex, the linear density of the spandex fiber is 1.33dtex, the lengths of the polyester fiber and the nylon fiber are both 42mm, and the length of the spandex fiber is 38 mm.
4) 50% of cotton, 30% of polyester fiber, 15% of nylon fiber and 5% of spandex fiber; the density of the fiber strands is preferably: the polyester fiber is 2.45dtex, the polyamide fiber is 2.17dtex, the spandex fiber is 1.67dtex, the lengths of the polyester fiber and the polyamide fiber are both preferably 50mm, and the length of the spandex fiber is preferably 44 mm.
5) 52% of cotton, 28% of polyester fiber, 16% of nylon fiber and 4% of spandex fiber; the linear density of the fibers is preferably: the polyester fiber is 2.5dtex, the polyamide fiber is 2.2dtex, the spandex fiber is 1.7dtex, the lengths of the polyester fiber and the polyamide fiber are both 52mm, and the length of the spandex fiber is 46 mm.
6) 48% of cotton, 32% of polyester fiber, 14% of nylon fiber and 6% of spandex fiber; the linear density of the fibers is preferably: the polyester fiber is 2.4dtex, the polyamide fiber is 2.1dtex, the spandex fiber is 1.6dtex, the lengths of the polyester fiber and the polyamide fiber are both 48mm, and the length of the spandex fiber is 42 mm.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A method of making a combination yarn, comprising: the method comprises the following steps:
1) after the fiber raw materials are melted, spinning by a spinneret plate of a spinning machine;
2) bundling the fibers after spinning;
3) drawing and curling the collected fibers;
4) carrying out shaping treatment on the fibers;
5) cutting the shaped fiber;
wherein, any spinneret orifice all contains at least one crescent I-shaped pore structure on the spinneret, crescent I-shaped pore structure includes: the connecting structure comprises a first bent part, a second bent part, a connecting part and four end parts, wherein the first bent part is connected with the second bent part through the connecting part, the first bent part and the second bent part are both arc-shaped, and the radian directions of the first bent part and the second bent part are opposite; the end parts are respectively arranged at the two ends of the first bent part and the second bent part; the radian directions are opposite, namely the ray direction pointing to the circle center of the first bent part from the connection point of the first bent part and the connection part is opposite to the ray direction pointing to the circle center of the second bent part from the connection point of the second bent part and the connection part;
the combined yarn is spun by natural colored cotton, polyester fiber, nylon fiber and spandex fiber, wherein the natural colored cotton is 67 percent in component percentage, the polyester fiber is 16 percent in component percentage, the nylon fiber is 10 percent in component percentage, and the spandex fiber is 7 percent in component percentage; the linear density of the polyester fiber is 2.0dtex, the linear density of the nylon fiber is 1.8dtex, and the linear density of the spandex fiber is 1.4 dtex.
2. The method of claim 1, wherein: the first bent part, the second bent part, the connecting part and the four end parts are all of hollow structures, and the hollow structures are communicated with each other.
3. The method of claim 2, wherein: the length of the polyester fiber and the length of the polyamide fiber are both 40-45mm, and the length of the spandex fiber is 38-42 mm.
4. The method of claim 3, wherein: the spinneret plate for spinning the polyester fiber is provided with 580 spinneret holes; the spinneret plate used for spinning the nylon fiber is provided with 780 spinneret holes, and the spinneret plate used for spinning the spandex fiber is provided with 970 spinneret holes.
5. The method of claim 4, wherein: the spinneret orifice on the spinneret plate for spinning the polyester fiber contains 3 crescent I-shaped orifice structures; the spinneret orifices on the spinneret plate for spinning the nylon fibers comprise 2 crescent I-shaped hole structures, and the spinneret orifices on the spinneret plate for spinning the spandex fibers comprise 1 crescent I-shaped hole structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811614275.9A CN109722751B (en) | 2018-12-27 | 2018-12-27 | Method for manufacturing combined yarn |
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| CN201811614275.9A CN109722751B (en) | 2018-12-27 | 2018-12-27 | Method for manufacturing combined yarn |
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| CN109722751B true CN109722751B (en) | 2021-06-08 |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS57106708A (en) * | 1980-12-17 | 1982-07-02 | Tanaka Kikinzoku Kogyo Kk | Spinneret for preparing hollow fiber of modified cross section |
| JPH03294507A (en) * | 1990-04-13 | 1991-12-25 | Nippon Ester Co Ltd | Spinning cap for porous hollow fiber having moldified cross section |
| WO2003064003A1 (en) * | 2002-01-29 | 2003-08-07 | Amersham Biosciences Membrane Separations Corp. | Convoluted surface hollow fiber membranes |
| CN2579917Y (en) * | 2002-09-27 | 2003-10-15 | 上海联畅化学纤维厂 | Spinning plate for nine hole irregular fibre |
| EP1781844B1 (en) * | 2004-07-16 | 2017-08-23 | Hills, Inc. | Forming shaped fiber fabrics |
| CN201793864U (en) * | 2010-09-02 | 2011-04-13 | 江苏红豆实业股份有限公司 | Weight-loosing garment fabric |
| CN102443863B (en) * | 2011-09-14 | 2013-08-07 | 泉州市盛欣纤维制品有限公司 | Production technology of three-dimensional hollow fiber |
| US9091007B2 (en) * | 2012-12-10 | 2015-07-28 | Taipei Medical University | Electrospinning apparatus with a sideway motion device and a method of using the same |
| US20170036169A1 (en) * | 2014-05-01 | 2017-02-09 | Sabic Global Technologies B.V. | Asymmetric poly(phenylene ether) co-polymer membrane, separation module thereof and methods of making |
| TWI520778B (en) * | 2015-03-31 | 2016-02-11 | 財團法人工業技術研究院 | Multi-channel hollow fiber |
| CN106367836B (en) * | 2016-08-25 | 2019-07-23 | 上海德福伦化纤有限公司 | A kind of manufacturing method of hollow biomass graphene polyester fiber |
| CN206070054U (en) * | 2016-08-25 | 2017-04-05 | 绍兴紫薇化纤有限公司 | A kind of coloured hollow, crimped fiber |
| CN107503016A (en) * | 2017-09-05 | 2017-12-22 | 韶关市顺昌布厂有限公司 | A kind of multicomponent covering yarn and preparation method thereof |
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