CN111926434A - Wool worsted fancy yarn core-spun yarn and manufacturing method and device thereof - Google Patents
Wool worsted fancy yarn core-spun yarn and manufacturing method and device thereof Download PDFInfo
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- CN111926434A CN111926434A CN201910392000.3A CN201910392000A CN111926434A CN 111926434 A CN111926434 A CN 111926434A CN 201910392000 A CN201910392000 A CN 201910392000A CN 111926434 A CN111926434 A CN 111926434A
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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
- D02G3/36—Cored or coated yarns or threads
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/02—Roller arrangements not otherwise provided for
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/10—Tension devices
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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
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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
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
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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
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
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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
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
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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
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
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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
- D10B2401/00—Physical properties
- D10B2401/14—Dyeability
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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
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
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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
- D10B2401/00—Physical properties
- D10B2401/22—Physical properties protective against sunlight or UV radiation
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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 invention discloses a wool worsted fancy yarn core-spun yarn and a manufacturing method and a device thereof, wherein the wool worsted fancy yarn core-spun yarn adopts 10-30% of tencel fiber and 70-90% of wool fiber in percentage by weight to be mixed to be used as core yarn, then the core yarn is coated with graphene viscose fiber to be used as a yarn sheath, and the core yarn is spun through the first step; secondly, spinning a yarn skin; and thirdly, combining the core yarn and the yarn sheath to prepare the core-spun yarn, wherein the wool worsted fancy yarn core-spun yarn device comprises a core yarn barrel wound with the core yarn and a yarn sheath barrel wound with the yarn sheath, the lower ends of the core yarn barrel and the yarn sheath barrel are respectively provided with a core yarn guide ring and a yarn sheath guide ring, and the lower ends of the core yarn guide ring and the yarn sheath guide ring are respectively provided with a tension balancer and a yarn sheath guide roller.
Description
Technical Field
The invention relates to the technical field of textile engineering, in particular to a wool worsted fancy yarn core-spun yarn and a manufacturing method and device thereof.
Background
The colored spun yarn is a manufacturing process for dyeing fibers into colored fibers, then fully mixing two or more fibers with different colors, spinning into yarn with a unique color mixing effect, and a wool worsted fancy yarn core-spun yarn manufacturing process comprises the steps of yarn variety selection, a stripe dyeing process and a spinning process, wherein the spinning process comprises the steps of stripe mixing, first needle, second needle, third needle, roving, spinning, yarn steaming, self winding, double twisting and yarn steaming, in the spinning process, the spinning of core yarn and outer covering yarn skin is complex and needs to be improved, in the spinning process, the tension of the yarn needs to be balanced so as to ensure that the core yarn is positioned at the center of twisting and keeps the straightening state when the core yarn and the yarn skin are twisted, in the yarn conveying process, the core yarn and the yarn skin are prevented from being mutually twisted to influence the spinning quality, in the winding process, the yarn is combed, the yarn can be uniformly wound, so that the structure of blended spinning of the core yarn and the yarn skin is improved, and the method is very important for developing wool spinning fabrics or wool spinning knitted fabrics with higher development quality.
Disclosure of Invention
The invention aims to provide a wool worsted fancy yarn core-spun yarn and a manufacturing method and a device thereof, which solve the problems that the spinning process of core yarn and outer covering yarn skin is complex and the quality of blended spinning is poor in the spinning process.
In order to achieve the purpose, the invention provides the following technical scheme:
the wool worsted fancy yarn core-spun yarn is produced by mixing 10-30 wt% of tencel fiber and 70-90 wt% of wool fiber to produce fancy yarn for worsted fabric as core yarn, and coating the core yarn with graphene viscose fiber as yarn sheath.
Further, the fineness of the core yarn is 80S-100S.
Further, the fineness of the graphene viscose fiber is 80S-120S.
A manufacturing method of wool worsted fancy yarn core-spun yarn comprises the following steps:
step one, spinning core yarns of wool worsted fancy yarn core-spun yarns:
step one, opening tencel fibers: sequentially opening tencel fibers by a plucker and a cotton mixer, and forming small rolls by a lapper;
step two, opening wool fibers: beating pretreatment is carried out on the wool fibers, and then the beaten wool fibers are fed into a wool opener for opening, so that the wool fibers are in a loose fiber state;
step three, mixing tencel fibers and wool fibers: carrying out staggered layering mixing on the tencel fiber and the wool fiber according to a blending ratio;
step four, opening and picking process: sequentially processing the tencel fibers and the wool fibers after the layering in the third step by a bale plucker, a cotton mixer and a lap former to complete the procedure of an opener;
step five, cotton carding process, drawing process, roving process and spinning process: after the opening and picking process of the fourth step is finished, carrying out a cotton carding process, a drawing process, a roving process and a spinning process in sequence to obtain tencel fiber and wool fiber blended spun yarn core yarn;
secondly, spinning the yarn skin of the wool worsted fancy yarn core-spun yarn:
step one, opening and picking process: the graphene viscose fiber is processed by a bale plucker, a cotton mixer and a lap former in sequence to complete the procedure of a cotton opener;
step two, cotton carding process, drawing process and roving process: after the opening and picking process in the first step is completed, a cotton carding process, a drawing process and a roving process are sequentially carried out, and graphene viscose roving is prepared;
thirdly, combining core yarns and yarn skins of the wool worsted fancy yarn core-spun yarns: and mixing the tencel fiber and wool fiber blended spun yarn core yarn prepared in the first step with the graphene viscose roving prepared in the second step to prepare the wool worsted fancy yarn core-spun yarn.
The utility model provides a wool spinning design and color yarn covering spinning device, has the yarn leather section of thick bamboo of yarn leather including the core yarn section of thick bamboo that the coiling has the core yarn with the coiling, core yarn section of thick bamboo and yarn leather section of thick bamboo lower extreme are equipped with core yarn guide ring and yarn leather guide ring respectively, core yarn guide ring and yarn leather guide ring lower extreme are equipped with tension equalizer and yarn leather guide roller respectively, tension equalizer lower extreme is equipped with the isolator, core yarn feeding draft mechanism's back roller, well roller, the preceding roller of feeding after running through the isolator in proper order, the core yarn leather passes through the yarn leather guide roller after run through the isolator and the core yarn joins the output in front roller department, is formed with the covering yarn through the twisting, covering yarn one side has the winding roller through the winding roller coiling roller one side laminating is connected with the combing roller.
Further, the tension balancer comprises a first balance roller, the bottom of the first balance roller is connected with a second balance roller and a third balance roller which have the same diameter in an extruding and attaching mode, the second balance roller and the third balance roller are located on the same horizontal plane, and the diameter of the first balance roller is larger than that of the second balance roller.
Furthermore, the isolator is designed into a circular tube with horn-shaped two ends, and two isolation tubes arranged in parallel are connected inside the circular tube.
Furthermore, the length of the yarn combing roller is the same as that of the winding roller, and yarn combing rings are uniformly connected to the outer side surface of the yarn combing roller.
Compared with the prior art, the invention has the following beneficial effects:
1. the core yarn and the yarn sheath of the wool worsted fancy yarn core-spun yarn are spun by a simple method, have the characteristics of simple process and low production cost, the tencel fiber and the wool fiber are mixed in a staggered layering mode according to the blending ratio, the prepared core yarn has good texture, and the spun yarn has the characteristics of smoothness, coolness, air permeability, static resistance, ultraviolet resistance, gorgeous color, good dyeing fastness and the like.
2. Through the setting of tension balancer and isolator, can keep the balance of yarn tension for core yarn and yarn skin are when twisting, and the core yarn is in the center of twisting and keeps straightening the state, and in the yarn transfer process, can prevent that core yarn and yarn skin from taking place intertwine, have promoted the quality of spinning.
3. The yarn combing roller is connected to one side of the winding roller in a laminating mode, yarn can be combed when the yarn is wound, winding of the yarn is uniform, and spinning and using are facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a core-spun yarn device of wool spinning fancy yarns according to the invention;
FIG. 2 is a schematic view of the separator structure of the core-spun yarn device of wool spinning fancy yarn according to the present invention;
fig. 3 is a schematic structural diagram of a yarn combing roller of the wool worsted fancy yarn core-spun spinning device.
In the figure: 1. a core yarn; 2. a core yarn bobbin; 3. a yarn cover; 4. a yarn leather drum; 5. a core yarn guide ring; 6. a yarn leather yarn guide ring; 7. a tension balancer; 8. a yarn guide roller; 9. an isolator; 10. a back roller; 11. a middle roller; 12. a front roller; 13. a core spun yarn; 14. outputting a yarn guide roller; 15. a winding roll; 16. combing a yarn roller; 17. a first balance roller; 18. a second balance roller; 19. a third balance roller; 20. a circular tube; 21. an isolation pipe; 22. and (4) combing the yarn ring.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In the first embodiment, the first step is,
the wool worsted fancy yarn core-spun yarn provided by the invention is further explained in detail:
the wool worsted fancy yarn core-spun yarn is characterized in that 10-30 wt% of tencel fiber and 70-90 wt% of wool fiber are mixed to spin fancy yarn for worsted fabric to be used as core yarn, and graphene viscose fiber is coated outside the core yarn to be used as yarn sheath.
In this embodiment, the fineness of the core yarn is 80S to 100S, and the fineness of the graphene viscose fiber is 80S to 120S.
In the second embodiment, the first embodiment of the method,
the method for manufacturing the wool worsted fancy yarn core-spun yarn provided by the invention is further explained in detail:
a manufacturing method of wool worsted fancy yarn core-spun yarn comprises the following steps:
step one, spinning core yarns of wool worsted fancy yarn core-spun yarns:
step one, opening tencel fibers: sequentially opening tencel fibers by a plucker and a cotton mixer, and forming small rolls by a lapper;
step two, opening wool fibers: beating pretreatment is carried out on the wool fibers, and then the beaten wool fibers are fed into a wool opener for opening, so that the wool fibers are in a loose fiber state;
step three, mixing tencel fibers and wool fibers: carrying out staggered layering mixing on the tencel fiber and the wool fiber according to a blending ratio;
step four, opening and picking process: sequentially processing the tencel fibers and the wool fibers after the layering in the third step by a bale plucker, a cotton mixer and a lap former to complete the procedure of an opener;
step five, cotton carding process, drawing process, roving process and spinning process: after the opening and picking process of the fourth step is completed, a cotton carding process, a drawing process, a roving process and a spinning process are sequentially carried out, and the tencel fiber and wool fiber blended spun yarn core yarn is prepared and used as a core yarn of wool worsted fancy yarn core-spun yarns;
secondly, spinning the yarn skin of the wool worsted fancy yarn core-spun yarn:
step one, opening and picking process: the graphene viscose fiber is processed by a bale plucker, a cotton mixer and a lap former in sequence to complete the procedure of a cotton opener;
step two, cotton carding process, drawing process and roving process: after the opening and picking process of the first step is completed, a cotton carding process, a drawing process and a roving process are sequentially carried out to prepare graphene viscose roving which is used as a cover of core-spun yarns of wool worsted fancy yarns; (ii) a
Thirdly, combining core yarns and yarn skins of the wool worsted fancy yarn core-spun yarns: and mixing the tencel fiber and wool fiber blended spun yarn core yarn prepared in the first step with the graphene viscose roving prepared in the second step to prepare the wool worsted fancy yarn core-spun yarn.
In the third embodiment, the first step is that,
as shown in fig. 1 to fig. 3, the core-spun yarn device of wool worsted fancy yarn provided by the present invention is further described in detail:
a wool worsted fancy yarn core-spun spinning device comprises a core yarn barrel 2 wound with a core yarn 1 and a yarn leather barrel 4 wound with a yarn leather 3, wherein the lower ends of the core yarn barrel 2 and the yarn leather barrel 4 are respectively provided with a core yarn guide ring 5 and a yarn leather guide ring 6 for guiding the transmission of the yarn, the lower ends of the core yarn guide ring 5 and the yarn leather guide ring 6 are respectively provided with a tension balancer 7 and a yarn leather guide roller 8, the lower end of the tension balancer 7 is provided with an isolator 9, the core yarn 1 is sequentially fed into a rear roller 10, a middle roller 11 and a front roller 12 after penetrating through the isolator 9 of a drafting mechanism, the balance of the yarn tension can be kept through the arrangement of the tension balancer 7, so that the core yarn 1 is positioned at the center of twisting and kept in a straightening state when the core yarn 1 and the yarn leather 3 are twisted through the yarn leather guide roller 8, the isolator 9 penetrates through the yarn leather 3 and the core yarn 1 to be output at the front roller 12, through twisting being formed with covering yarn 13, through the setting of isolator 9, can prevent that core yarn 1 from taking place the intertwine with yarn skin 3, promoted the quality of spinning, 13 one side of covering yarn has the winding roller 15 through exporting the winding of yarn guide roll 14, the laminating of winding roller 15 one side is connected with yarn combing roller 16, when the spiral, can comb the yarn to the yarn for the yarn is convoluteed more evenly.
In this embodiment, the tension balancer 7 includes a first balance roller 17, a second balance roller 18 and a third balance roller 19 with the same diameter are connected to the bottom of the first balance roller 17 in a pressing fit manner, the second balance roller 18 and the third balance roller 19 are located on the same horizontal plane, and the diameter of the first balance roller 17 is larger than that of the second balance roller 18, so that the balance of yarn tension can be maintained, and when the core yarn and the sheath are twisted, the core yarn is located at the center of twisting and kept in a straightened state, so that the core yarn 1 and the sheath 3 are blended more stably.
In this embodiment, the isolator 9 is set as the circular tube 20 with two horn-shaped ends, and the circular tube 20 is internally connected with two parallel isolation tubes 21, so that the core yarn and the yarn sheath can be prevented from being intertwined in the yarn conveying process, and the spinning quality is improved.
In this embodiment, the length of the yarn combing roller 16 is the same as that of the winding roller 15, and the yarn combing rings 22 are uniformly connected to the outer surface of the yarn combing roller 16, so that yarn can be combed when winding, the yarn can be uniformly wound, and the yarn winding is convenient to use.
The invention is improved as follows: the core yarn and the yarn sheath of the wool worsted fancy yarn core-spun yarn are spun by a simple method, have the characteristics of simple process and low production cost, and the tencel fiber and the wool fiber are mixed in a staggered layering manner according to the blending ratio, so that the prepared core yarn has good texture, and the spun yarn has the characteristics of smoothness, coolness, ventilation, static resistance, ultraviolet resistance, gorgeous color, good dyeing fastness and the like. The yarn is uniformly wound, and the spinning and the use are convenient.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The wool worsted fancy yarn core-spun yarn is characterized in that 10-30 wt% of tencel fiber and 70-90 wt% of wool fiber are mixed to spin fancy yarn for worsted fabric to be used as core yarn, and graphene viscose fiber is coated outside the core yarn to be used as a yarn sheath.
2. The core-spun yarn of wool worsted fancy yarn according to claim 1, wherein: the fineness of the core yarn is 80S-100S.
3. The core-spun yarn of wool worsted fancy yarn according to claim 1, wherein: the fineness of the graphene viscose fiber is 80S-120S.
4. A manufacturing method of wool worsted fancy yarn core-spun yarn is characterized by comprising the following steps:
step one, spinning core yarns of wool worsted fancy yarn core-spun yarns:
step one, opening tencel fibers: sequentially opening tencel fibers by a plucker and a cotton mixer, and forming small rolls by a lapper;
step two, opening wool fibers: beating pretreatment is carried out on the wool fibers, and then the beaten wool fibers are fed into a wool opener for opening, so that the wool fibers are in a loose fiber state;
step three, mixing tencel fibers and wool fibers: carrying out staggered layering mixing on the tencel fiber and the wool fiber according to a blending ratio;
step four, opening and picking process: sequentially processing the tencel fibers and the wool fibers after the layering in the third step by a bale plucker, a cotton mixer and a lap former to complete the procedure of an opener;
step five, cotton carding process, drawing process, roving process and spinning process: after the opening and picking process of the fourth step is finished, carrying out a cotton carding process, a drawing process, a roving process and a spinning process in sequence to obtain tencel fiber and wool fiber blended spun yarn core yarn;
secondly, spinning the yarn skin of the wool worsted fancy yarn core-spun yarn:
step one, opening and picking process: the graphene viscose fiber is processed by a bale plucker, a cotton mixer and a lap former in sequence to complete the procedure of a cotton opener;
step two, cotton carding process, drawing process and roving process: after the opening and picking process in the first step is completed, a cotton carding process, a drawing process and a roving process are sequentially carried out, and graphene viscose roving is prepared;
thirdly, combining core yarns and yarn skins of the wool worsted fancy yarn core-spun yarns: and mixing the tencel fiber and wool fiber blended spun yarn core yarn prepared in the first step with the graphene viscose roving prepared in the second step to prepare the wool worsted fancy yarn core-spun yarn.
5. The wool worsted fancy yarn core-spun spinning device is characterized by comprising a core yarn barrel (2) wound with core yarns (1) and a yarn leather barrel (4) wound with a yarn leather (3), wherein the lower ends of the core yarn barrel (2) and the yarn leather barrel (4) are respectively provided with a core yarn guide ring (5) and a yarn leather guide ring (6), the lower ends of the core yarn guide ring (5) and the yarn leather guide ring (6) are respectively provided with a tension balancer (7) and a yarn leather guide roller (8), the lower end of the tension balancer (7) is provided with an isolator (9), the core yarns (1) are sequentially fed into a rear roller (10), a middle roller (11) and a front roller (12) after penetrating through the isolator (9), the yarn leather (3) penetrates through the yarn leather guide roller (8) and then penetrates through the isolator (9) and the core yarns (1) to be output at the front roller (12), and twisting yarns (13) are formed, the core-spun yarn winding machine is characterized in that a winding roller (15) is wound on one side of the core-spun yarn (13) through an output yarn guide roller (14), and a yarn combing roller (16) is attached to one side of the winding roller (15).
6. A wool spinning fancy yarn core-spun spinning device according to claim 5, wherein the tension balancer (7) comprises a first balance roller (17), a second balance roller (18) and a third balance roller (19) which have the same diameter are connected to the bottom of the first balance roller (17) in a pressing fit mode, the second balance roller (18) and the third balance roller (19) are located on the same horizontal plane, and the diameter of the first balance roller (17) is larger than that of the second balance roller (18).
7. A core spun yarn device of wool spinning fancy yarn according to claim 5, wherein the isolator (9) is a circular tube (20) with horn-shaped ends, and two isolation tubes (21) are connected in parallel inside the circular tube (20).
8. A core-spun spinning device of wool worsted fancy yarn according to claim 5, wherein the length of the combing roller (16) is the same as that of the winding roller (15), and combing rings (22) are uniformly connected to the outer side surface of the combing roller (16).
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Cited By (2)
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| CN113943990A (en) * | 2021-11-12 | 2022-01-18 | 武汉纺织大学 | Core-spun spinning device and new-structure core-spun spinning method with completely wrapped macro cores |
| CN115418760A (en) * | 2022-10-11 | 2022-12-02 | 宿迁至诚纺织品股份有限公司 | Drawing frame for chemical fiber spinning |
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| 程四新: "《对国内新型纤维与纱线开发最新动向评析》", 《浙江纺织服装职业技术学院学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113943990A (en) * | 2021-11-12 | 2022-01-18 | 武汉纺织大学 | Core-spun spinning device and new-structure core-spun spinning method with completely wrapped macro cores |
| CN115418760A (en) * | 2022-10-11 | 2022-12-02 | 宿迁至诚纺织品股份有限公司 | Drawing frame for chemical fiber spinning |
| CN115418760B (en) * | 2022-10-11 | 2023-08-22 | 宿迁至诚纺织品股份有限公司 | Drawing frame for chemical fiber spinning |
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