CN110656430A - Preparation method of knitted fabric with colorful effect - Google Patents
Preparation method of knitted fabric with colorful effect Download PDFInfo
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- CN110656430A CN110656430A CN201910923723.1A CN201910923723A CN110656430A CN 110656430 A CN110656430 A CN 110656430A CN 201910923723 A CN201910923723 A CN 201910923723A CN 110656430 A CN110656430 A CN 110656430A
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- knitting
- needles
- yarn
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- cotton
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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
- D04B1/10—Patterned fabrics or articles
- D04B1/12—Patterned fabrics or articles characterised by thread material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—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
- 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
-
- 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
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention relates to a knitted fabric, in particular to a preparation method of a knitted fabric with a colorful effect. The method comprises the following steps: core-spun yarn structure → viscose raw strip preparation → core filament preparation method → vortex spinning process → knitting method of knitted fabric. The preparation method of the knitted fabric with the colorful effect further improves the service performance of the product and improves the grade of the product.
Description
Technical Field
The invention relates to a knitted fabric, in particular to a preparation method of a knitted fabric with a colorful effect.
Background
Covering yarn: the core spun yarn is generally spun by using synthetic fiber filaments with good strength and elasticity as core filaments and wrapping short fibers such as cotton, wool and viscose fibers together for twisting. The core-spun yarn has the excellent performances of both filament core yarn and short fiber covering. It can utilize the excellent physical performance of core yarn chemical fiber filament, the performance and surface characteristic of outer covering short fiber, and make full use of the features of two kinds of fiber to make up their deficiencies. At present, the ring spinning core-spun yarn is the mainstream in industrial production, and the vortex spinning core-spun yarn and the air spinning core-spun yarn also have a certain scale.
Vortex spinning technology: the air jet vortex spinning machine is developed on the basis of air jet spinning, and the vortex spinning is free end spinning and belongs to a true twist structure. Air-jet vortex spinning principle: the air flow sprayed from the spray holes forms a negative pressure zone at the inlet of the nozzle, and the parallel fiber bundles drafted by the front roller are sucked into the nozzle under the action of negative pressure. The front end of the fiber bundle is drawn by the tail end of the yarn being formed around the guide needle and guided into the yarn-drawing tube, the rear end of the fiber bundle is acted by the axial force of high-speed eddy current, part of the fibers are laid down in an umbrella shape at the inlet of the yarn-drawing tube, the laid fibers are exposed in the swirling airflow ejected from the jet holes and are twisted on the yarn tail along with the rotation of the airflow, and the solid-twisted short fiber yarn is output. The vortex spun yarn has less hairiness, smooth surface and better anti-pilling performance than other spinning products; the moisture absorption is good. The fabric has good luster, softness and bone feeling, good dimensional stability and wear resistance.
Dotting yarn: yarns having color specks attached to the surface of the yarn are called speck yarns. Light color dots can be attached to the dark ground yarns, and also the dark color dots can be attached to the light ground yarns. The color dots used in the color dot yarn are generally made of various short fibers which are firstly made into particles, and the particles are added during spinning after being dyed. Because of the addition of the short fiber particles, the common yarn is thicker, and because of the existence of the short fiber particles, the fabric surface has obvious granular feel, and the wearing comfort is poor.
Disclosure of Invention
The invention mainly solves the defects in the prior art, and mainly solves some defects in the existing vortex spinning core-spun yarn product. The following process flow is adopted: selecting raw materials, mixing cotton, opening and picking, carding cotton, drawing, vortex spinning and weaving. The preparation method of the knitted fabric with the colorful effect has no granular sensation and good pilling resistance, and solves the problem of poor wearing comfort of the vortex spun core-spun yarn.
The technical problem of the invention is mainly solved by the following technical scheme:
a preparation method of a knitted fabric with a colorful effect is carried out through the following process steps:
(I) core-spun yarn structure:
a: skin layer: viscose fibers;
b: core filament, 50D dazzling color DTY;
(II) preparing the viscose raw sliver, which comprises the following process steps:
(1) and cotton mixing: carrying out cotton blending treatment on the raw material A according to the batch number:
respectively feeding the viscose glue into a bale plucker according to the batch number for fully mixing;
(2) and opening and picking process: carrying out opening and picking process on the viscose raw material:
the cotton bale is grabbed by a bale plucker and sent into a bale opener, the beater speed is 1100r/min, the distance between the beater and a dust bar in the bale opener is 10-14 mm at the inlet, 11.5-15.5 mm at the middle and 14.5-18.5 mm at the outlet; the distance between the dust bars is 11-13 mm at the inlet, 7-9 mm at the middle and 4-7 mm at the outlet, the viscose raw material is beaten and loosened to form loosened cotton flow, and the loosened cotton flow is sent to a cotton feeding box of a carding machine by a cotton feeding fan;
(3) and cotton carding process: carrying out cotton carding and sliver processing on the viscose:
the viscose glue in the upper cotton box of the carding machine is sent into the carding machine by a cotton feeding mechanism and a cotton feeding mechanism, the linear speed ratio of a licker-in and a cylinder in the carding machine is 1.85-2.02, the space at the back of carding is reduced, the space at a drain inlet is enlarged, the relative position of a dust removing knife is raised, and the flat knife is installed to implement multi-carding and less-falling, the five-point space between the cylinder and a cover plate is properly reduced, the space between the cylinder and a doffer is reduced, the rotating speed of the cover plate is reduced, the speed of the cylinder is 330-360 r/min, the speed of the licker-in is 660-850 r/min, the speed of the cover plate is 85-121 r/min, the five-point spaces between the cover plate and the cylinder are respectively 0.20mm, 0.18mm and 0.20mm, the height of the dust removing knife is 3 mm-5 mm, the angle is 90-95 degrees, the space between the cylinder and the doffer is 0.13-0.15 mm, and the weight of; manufacturing viscose raw strips meeting the quality requirement;
(4) and drawing process: drawing the viscose raw sliver:
drawing the viscose glue according to the process requirement to form drawn slivers, wherein the gauge of a roller is 10 × 8 × 20mm during drawing, the drawing speed is 260-280 m/min, and the quantitative amount of the drawn slivers is 18-25 g/5 m;
(III) a preparation method of the core wire:
outsourcing: 50D colorful filaments;
(IV) vortex spinning process:
feeding the drawn sliver circularly manufactured in the step (4) into vortex spinning, prefabricating A raw material wrapping yarn, feeding B raw material from a core-spun yarn device to a front rubber roll after the wrapping yarn meets the process requirement, opening a core-spun yarn spinning device, and winding the outer layer yarn and core wire together onto a paper tube to finish the spinning of the core-spun yarn;
in order to ensure that the vortex spun yarns are normally spun and achieve the required colorful effect, the raw material B requires normal and stable unwinding without knocking over and hanging, the parameter setting and filament tension of the vortex spun core-spun yarns are optimized, in addition, the feeding position of the filament needs to be adjusted, eccentric feeding is carried out, and the better colorful effect is achieved;
(V) the knitting method of the knitted fabric comprises the following steps:
knitting by a weft knitting double-faced knitting machine, wherein a knitting system comprises a 12-path knitting system, and the knitting system comprises a cylinder needle and a dial needle; the cylinder needle is divided into four sections of knitting needles which are arranged as follows: 1234; the dial needles are arranged by 1 at intervals by high-heel needles and low-heel needles 1;
in the operation process of the weft knitting double-faced knitting machine:
knitting high elastic yarn in the loop forming system of the 1 st path: knitting on the 1 st section knitting needle of the high-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer fabric as the knitted fabric;
knitting cotton yarn in the 2 nd loop-forming system: knitting on the 1 st section and the 2 nd section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 3 rd loop forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 4 th loop-forming system: knitting on the 2 nd section knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer of the fabric as the knitted fabric;
knitting cotton yarn in the 5 th loop-forming system: knitting on the 2 nd section and the 3 rd section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 6 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in 7 th loop-forming system: knitting on a 3 rd section knitting needle of a high-heel needle and a cylinder needle of a dial needle simultaneously to serve as the knitting fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 8 th loop-forming system: knitting on the 3 rd section and the 4 th section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 9 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 10 th loop-forming system: knitting on the 4 th section of knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to serve as the knitted fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 11 th loop-forming system: knitting on the 1 st section and the 4 th section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 12 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric.
Preferably, the fineness of the vortex spun core-spun yarn is 18-37 tex;
the fineness of the cotton yarn is 18-30 tex;
the fineness of the high stretch yarn is 8-11 tex.
Preferably, the coil lengths of the loop forming systems of the 1 st, 4 th, 7 th and 10 th paths are 190-200 mm/100 needles independently;
the coil lengths of the 2 nd, 5 th, 8 th and 11 th loop forming systems are 230-260 mm/100 needles independently;
the coil length of the 3 rd, 6 th, 9 th and 12 th loop forming systems is 300-380 mm/100 needles independently.
Preferably, the number of the weft knitting double-faced knitting machine is 18-24 needles.
The vortex spun core-spun yarn comprises an outer layer woven by vortex spun core-spun yarn with a colorful effect, an inner layer woven by cotton yarn, and a middle layer connecting the outer layer and the inner layer, wherein the middle layer is woven by high stretch yarn; the inner layer is of a twill structure, and the outer layer is of a weft plain stitch structure.
Therefore, the preparation method of the knitted fabric with the colorful effect further improves the service performance of the product and improves the grade of the product.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments.
Example 1: a preparation method of a knitted fabric with a colorful effect is carried out through the following process steps:
(I) core-spun yarn structure:
a: skin layer: viscose fibers;
b: core filament, 50D dazzling color DTY;
(II) preparing the viscose raw sliver, which comprises the following process steps:
(1) and cotton mixing: carrying out cotton blending treatment on the raw material A according to the batch number:
respectively feeding the viscose glue into a bale plucker according to the batch number for fully mixing;
(2) and opening and picking process: carrying out opening and picking process on the viscose raw material:
the cotton bale is grabbed by a plucker and sent into a cotton opener, the beater speed is 1100r/min, the distance between the beater and a dust rod in the cotton opener is 10mm at the inlet, 11.5mm at the middle and 14.5mm at the outlet; the distance between the dust bars is 11mm at the inlet, 7mm at the middle and 4mm at the outlet, the viscose raw material is beaten and loosened to form an opened cotton flow, and the cotton flow is sent to the cotton loading box of the carding machine by a cotton sending fan;
(3) and cotton carding process: carrying out cotton carding and sliver processing on the viscose:
the viscose glue in the upper cotton box of the carding machine is sent into the carding machine by a cotton feeding mechanism and a cotton feeding mechanism, the linear speed ratio of a licker-in and a cylinder in the carding machine is 1.85, the space at the back part of carding is reduced, the space at a drain inlet is enlarged, the relative position of a dust removing knife is raised, a flat knife is installed, multi-carding and few-dropping are implemented, the five-point space between the cylinder and a cover plate is properly reduced, the space between the cylinder and a doffer is reduced, the rotating speed of the cover plate is reduced, the speed of the cylinder is 330r/min, the speed of the licker-in is 660r/min, the speed of the cover plate is 85r/min, the five-point spaces between the cover plate and the cylinder are respectively 0.20mm, 0.18mm and 0.20mm, the height of the dust removing knife is 3mm, the angle is 90 degrees, the space between the cylinder and the doffer is 0.13-0.15 mm, and the ration of; manufacturing viscose raw strips meeting the quality requirement;
(4) and drawing process: drawing the viscose raw sliver:
drawing the viscose glue according to the process requirement to form drawn slivers, wherein the space distance of a roller is 10 × 8 × 20mm during drawing, the drawing speed is 260m/min, and the quantitative amount of the drawn slivers is 18g/5 m;
(III) a preparation method of the core wire:
outsourcing: 50D colorful filaments;
(IV) vortex spinning process:
feeding the drawn sliver circularly manufactured in the step (4) into vortex spinning, prefabricating A raw material wrapping yarn, feeding B raw material from a core-spun yarn device to a front rubber roll after the wrapping yarn meets the process requirement, opening a core-spun yarn spinning device, and winding the outer layer yarn and core wire together onto a paper tube to finish the spinning of the core-spun yarn;
in order to ensure that the vortex spun yarns are normally spun and achieve the required colorful effect, the raw material B requires normal and stable unwinding without knocking over and hanging, the parameter setting and filament tension of the vortex spun core-spun yarns are optimized, in addition, the feeding position of the filament needs to be adjusted, eccentric feeding is carried out, and the better colorful effect is achieved;
(V) the knitting method of the knitted fabric comprises the following steps:
knitting by a weft knitting double-faced knitting machine, wherein a knitting system comprises a 12-path knitting system, and the knitting system comprises a cylinder needle and a dial needle; the cylinder needle is divided into four sections of knitting needles which are arranged as follows: 1234; the dial needles are arranged by 1 at intervals by high-heel needles and low-heel needles 1;
in the operation process of the weft knitting double-faced knitting machine:
knitting high elastic yarn in the loop forming system of the 1 st path: knitting on the 1 st section knitting needle of the high-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer fabric as the knitted fabric;
knitting cotton yarn in the 2 nd loop-forming system: knitting on the 1 st section and the 2 nd section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 3 rd loop forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 4 th loop-forming system: knitting on the 2 nd section knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer of the fabric as the knitted fabric;
knitting cotton yarn in the 5 th loop-forming system: knitting on the 2 nd section and the 3 rd section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 6 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in 7 th loop-forming system: knitting on a 3 rd section knitting needle of a high-heel needle and a cylinder needle of a dial needle simultaneously to serve as the knitting fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 8 th loop-forming system: knitting on the 3 rd section and the 4 th section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 9 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 10 th loop-forming system: knitting on the 4 th section of knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to serve as the knitted fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 11 th loop-forming system: knitting on the 1 st section and the 4 th section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 12 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric.
Example 2: a preparation method of a knitted fabric with a colorful effect is carried out through the following process steps:
(I) core-spun yarn structure:
a: skin layer: viscose fibers;
b: core filament, 50D dazzling color DTY;
(II) preparing the viscose raw sliver, which comprises the following process steps:
(1) and cotton mixing: carrying out cotton blending treatment on the raw material A according to the batch number:
respectively feeding the viscose glue into a bale plucker according to the batch number for fully mixing;
(2) and opening and picking process: carrying out opening and picking process on the viscose raw material:
the cotton bale is grabbed by a plucker and sent into a cotton opener, the speed of a beater is 1100r/min, the distance between the beater and a dust rod in the cotton opener is 12mm at the inlet, 13.5mm at the middle and 16.5mm at the outlet; the distance between the dust bars is 12mm at the inlet, 8mm at the middle and 6mm at the outlet, the viscose raw material is beaten and loosened to form an opened cotton flow, and the cotton flow is sent to the upper cotton box of the carding machine by a cotton sending fan;
(3) and cotton carding process: carrying out cotton carding and sliver processing on the viscose:
the viscose glue in the upper cotton box of the carding machine is sent into the carding machine by a cotton feeding mechanism and a cotton feeding mechanism, the linear velocity ratio of a licker-in and a cylinder in the carding machine is 1.95, the space at the back part of the carding is reduced, the space at the bottom of a leakage is enlarged, the relative position of a dust removing knife is raised, and the flat knife is installed to implement multi-carding and less-dropping, properly reduce the five-point space between the cylinder and a cover plate, reduce the space between the cylinder and a doffer, slow down the rotation speed of the cover plate, the speed of the cylinder is 340r/min, the speed of the licker-in is 760r/min, the speed of the cover plate is 100r/min, the five-point spaces between the cover plate and the cylinder are respectively 0.20mm, 0.18mm and 0.20mm, the height of the dust removing knife is 4mm, the angle is 92 degrees, the space between the cylinder and the doffer is 0.14mm, and the ration; manufacturing viscose raw strips meeting the quality requirement;
(4) and drawing process: drawing the viscose raw sliver:
drawing the viscose glue according to the process requirement to form drawn slivers, wherein the space distance of a roller is 10 × 8 × 20mm during drawing, the drawing speed is 270m/min, and the quantitative amount of the drawn slivers is 20g/5 m;
(III) a preparation method of the core wire:
outsourcing: 50D colorful filaments;
(IV) vortex spinning process:
feeding the drawn sliver circularly manufactured in the step (4) into vortex spinning, prefabricating A raw material wrapping yarn, feeding B raw material from a core-spun yarn device to a front rubber roll after the wrapping yarn meets the process requirement, opening a core-spun yarn spinning device, and winding the outer layer yarn and core wire together onto a paper tube to finish the spinning of the core-spun yarn;
in order to ensure that the vortex spun yarns are normally spun and achieve the required colorful effect, the raw material B requires normal and stable unwinding without knocking over and hanging, the parameter setting and filament tension of the vortex spun core-spun yarns are optimized, in addition, the feeding position of the filament needs to be adjusted, eccentric feeding is carried out, and the better colorful effect is achieved;
(V) the knitting method of the knitted fabric comprises the following steps:
knitting by a weft knitting double-faced knitting machine, wherein a knitting system comprises a 12-path knitting system, and the knitting system comprises a cylinder needle and a dial needle; the cylinder needle is divided into four sections of knitting needles which are arranged as follows: 1234; the dial needles are arranged by 1 at intervals by high-heel needles and low-heel needles 1;
in the operation process of the weft knitting double-faced knitting machine:
knitting high elastic yarn in the loop forming system of the 1 st path: knitting on the 1 st section knitting needle of the high-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer fabric as the knitted fabric;
knitting cotton yarn in the 2 nd loop-forming system: knitting on the 1 st section and the 2 nd section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 3 rd loop forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 4 th loop-forming system: knitting on the 2 nd section knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer of the fabric as the knitted fabric;
knitting cotton yarn in the 5 th loop-forming system: knitting on the 2 nd section and the 3 rd section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 6 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in 7 th loop-forming system: knitting on a 3 rd section knitting needle of a high-heel needle and a cylinder needle of a dial needle simultaneously to serve as the knitting fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 8 th loop-forming system: knitting on the 3 rd section and the 4 th section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 9 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 10 th loop-forming system: knitting on the 4 th section of knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to serve as the knitted fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 11 th loop-forming system: knitting on the 1 st section and the 4 th section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 12 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric.
Example 3: a preparation method of a knitted fabric with a colorful effect is carried out through the following process steps:
(I) core-spun yarn structure:
a: skin layer: viscose fibers;
b: core filament, 50D dazzling color DTY;
(II) preparing the viscose raw sliver, which comprises the following process steps:
(1) and cotton mixing: carrying out cotton blending treatment on the raw material A according to the batch number:
respectively feeding the viscose glue into a bale plucker according to the batch number for fully mixing;
(2) and opening and picking process: carrying out opening and picking process on the viscose raw material:
the cotton bale is grabbed by a bale plucker and sent into a bale opener, the beater speed is 1100r/min, the distance between the beater and a dust bar in the bale opener is 10-14 mm at the inlet, 11.5-15.5 mm at the middle and 14.5-18.5 mm at the outlet; the distance between the dust bars is 11-13 mm at the inlet, 7-9 mm at the middle and 4-7 mm at the outlet, the viscose raw material is beaten and loosened to form loosened cotton flow, and the loosened cotton flow is sent to a cotton feeding box of a carding machine by a cotton feeding fan;
(3) and cotton carding process: carrying out cotton carding and sliver processing on the viscose:
the viscose glue in the upper cotton box of the carding machine is sent into the carding machine by a cotton feeding mechanism and a cotton feeding mechanism, the linear speed ratio of a licker-in and a cylinder in the carding machine is 1.85-2.02, the space at the back of carding is reduced, the space at a drain inlet is enlarged, the relative position of a dust removing knife is raised, and the flat knife is installed to implement multi-carding and less-falling, the five-point space between the cylinder and a cover plate is properly reduced, the space between the cylinder and a doffer is reduced, the rotating speed of the cover plate is reduced, the speed of the cylinder is 330-360 r/min, the speed of the licker-in is 660-850 r/min, the speed of the cover plate is 85-121 r/min, the five-point spaces between the cover plate and the cylinder are respectively 0.20mm, 0.18mm and 0.20mm, the height of the dust removing knife is 3 mm-5 mm, the angle is 90-95 degrees, the space between the cylinder and the doffer is 0.13-0.15 mm, and the weight of; manufacturing viscose raw strips meeting the quality requirement;
(4) and drawing process: drawing the viscose raw sliver:
drawing the viscose glue according to the process requirement to form drawn slivers, wherein the gauge of a roller is 10 × 8 × 20mm during drawing, the drawing speed is 260-280 m/min, and the quantitative amount of the drawn slivers is 18-25 g/5 m;
(III) a preparation method of the core wire:
outsourcing: 50D colorful filaments;
(IV) vortex spinning process:
feeding the drawn sliver circularly manufactured in the step (4) into vortex spinning, prefabricating A raw material wrapping yarn, feeding B raw material from a core-spun yarn device to a front rubber roll after the wrapping yarn meets the process requirement, opening a core-spun yarn spinning device, and winding the outer layer yarn and core wire together onto a paper tube to finish the spinning of the core-spun yarn;
in order to ensure that the vortex spun yarns are normally spun and achieve the required colorful effect, the raw material B requires normal and stable unwinding without knocking over and hanging, the parameter setting and filament tension of the vortex spun core-spun yarns are optimized, in addition, the feeding position of the filament needs to be adjusted, eccentric feeding is carried out, and the better colorful effect is achieved;
(V) the knitting method of the knitted fabric comprises the following steps:
knitting by a weft knitting double-faced knitting machine, wherein a knitting system comprises a 12-path knitting system, and the knitting system comprises a cylinder needle and a dial needle; the cylinder needle is divided into four sections of knitting needles which are arranged as follows: 1234; the dial needles are arranged by 1 at intervals by high-heel needles and low-heel needles 1;
in the operation process of the weft knitting double-faced knitting machine:
knitting high elastic yarn in the loop forming system of the 1 st path: knitting on the 1 st section knitting needle of the high-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer fabric as the knitted fabric;
knitting cotton yarn in the 2 nd loop-forming system: knitting on the 1 st section and the 2 nd section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 3 rd loop forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 4 th loop-forming system: knitting on the 2 nd section knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer of the fabric as the knitted fabric;
knitting cotton yarn in the 5 th loop-forming system: knitting on the 2 nd section and the 3 rd section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 6 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in 7 th loop-forming system: knitting on a 3 rd section knitting needle of a high-heel needle and a cylinder needle of a dial needle simultaneously to serve as the knitting fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 8 th loop-forming system: knitting on the 3 rd section and the 4 th section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 9 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 10 th loop-forming system: knitting on the 4 th section of knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to serve as the knitted fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 11 th loop-forming system: knitting on the 1 st section and the 4 th section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 12 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric.
2. The method for preparing a vortex spun core yarn with a colorful effect according to claim 1, wherein the method comprises the following steps:
the fineness of the vortex spinning core-spun yarn is 18-37 tex;
the fineness of the cotton yarn is 18-30 tex;
the fineness of the high stretch yarn is 8-11 tex.
3. The method for preparing a vortex spun core yarn with a colorful effect according to claim 1, wherein:
the coil lengths of the loop forming systems of the 1 st, 4 th, 7 th and 10 th paths are 190-200 mm/100 needles independently;
the coil lengths of the 2 nd, 5 th, 8 th and 11 th loop forming systems are 230-260 mm/100 needles independently;
the coil length of the 3 rd, 6 th, 9 th and 12 th loop forming systems is 300-380 mm/100 needles independently.
4. The method for preparing the vortex spun core spun yarn with the colorful effect according to the claim 1, is characterized in that:
the number of the weft-knitted double-sided knitting machine is 18-24 needles.
Claims (4)
1. A preparation method of a knitted fabric with a colorful effect is characterized by comprising the following process steps:
(I) core-spun yarn structure:
a: skin layer: viscose fibers;
b: core filament, 50D dazzling color DTY;
(II) preparing viscose raw strips, comprising the following process steps:
(1) and cotton mixing: carrying out cotton blending treatment on the raw material A according to the batch number:
respectively feeding the viscose glue into a bale plucker according to the batch number for fully mixing;
(2) and opening and picking process: carrying out opening and picking process on the viscose raw material:
the cotton bale is grabbed by a bale plucker and sent into a bale opener, the beater speed is 1100r/min, the distance between the beater and a dust bar in the bale opener is 10-14 mm at the inlet, 11.5-15.5 mm at the middle and 14.5-18.5 mm at the outlet; the distance between the dust bars is 11-13 mm at the inlet, 7-9 mm at the middle and 4-7 mm at the outlet, the viscose raw material is beaten and loosened to form loosened cotton flow, and the loosened cotton flow is sent to a cotton feeding box of a carding machine by a cotton feeding fan;
(3) and cotton carding process: carrying out cotton carding and sliver processing on the viscose:
the viscose glue in the upper cotton box of the carding machine is sent into the carding machine by a cotton feeding mechanism and a cotton feeding mechanism, the linear speed ratio of a licker-in and a cylinder in the carding machine is 1.85-2.02, the space at the back of carding is reduced, the space at a drain inlet is enlarged, the relative position of a dust removing knife is raised, and the flat knife is installed to implement multi-carding and less-falling, the five-point space between the cylinder and a cover plate is properly reduced, the space between the cylinder and a doffer is reduced, the rotating speed of the cover plate is reduced, the speed of the cylinder is 330-360 r/min, the speed of the licker-in is 660-850 r/min, the speed of the cover plate is 85-121 r/min, the five-point spaces between the cover plate and the cylinder are respectively 0.20mm, 0.18mm and 0.20mm, the height of the dust removing knife is 3 mm-5 mm, the angle is 90-95 degrees, the space between the cylinder and the doffer is 0.13-0.15 mm, and the weight of; manufacturing viscose raw strips meeting the quality requirement;
(4) and drawing process: drawing the viscose raw sliver:
drawing the viscose glue according to the process requirement to form drawn slivers, wherein the gauge of a roller is 10 × 8 × 20mm during drawing, the drawing speed is 260-280 m/min, and the quantitative amount of the drawn slivers is 18-25 g/5 m;
(III) a preparation method of the core wire:
outsourcing: 50D colorful filaments;
(IV) vortex spinning process:
feeding the drawn sliver circularly manufactured in the step (4) into vortex spinning, prefabricating A raw material wrapping yarn, feeding B raw material from a core-spun yarn device to a front rubber roll after the wrapping yarn meets the process requirement, opening a core-spun yarn spinning device, and winding the outer layer yarn and core wire together onto a paper tube to finish the spinning of the core-spun yarn;
in order to ensure that the vortex spun yarns are normally spun and achieve the required colorful effect, the raw material B requires normal and stable unwinding without knocking over and hanging, the parameter setting and filament tension of the vortex spun core-spun yarns are optimized, in addition, the feeding position of the filament needs to be adjusted, eccentric feeding is carried out, and the better colorful effect is achieved;
(V) the knitting method of the knitted fabric comprises the following steps:
knitting by a weft knitting double-faced knitting machine, wherein a knitting system comprises a 12-path knitting system, and the knitting system comprises a cylinder needle and a dial needle; the cylinder needle is divided into four sections of knitting needles which are arranged as follows: 1234; the dial needles are arranged by 1 at intervals by high-heel needles and low-heel needles 1;
in the operation process of the weft knitting double-faced knitting machine:
knitting high elastic yarn in the loop forming system of the 1 st path: knitting on the 1 st section knitting needle of the high-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer fabric as the knitted fabric;
knitting cotton yarn in the 2 nd loop-forming system: knitting on the 1 st section and the 2 nd section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 3 rd loop forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 4 th loop-forming system: knitting on the 2 nd section knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to connect the inner layer and the outer layer of the fabric as the knitted fabric;
knitting cotton yarn in the 5 th loop-forming system: knitting on the 2 nd section and the 3 rd section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 6 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in 7 th loop-forming system: knitting on a 3 rd section knitting needle of a high-heel needle and a cylinder needle of a dial needle simultaneously to serve as the knitting fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 8 th loop-forming system: knitting on the 3 rd section and the 4 th section of knitting needles of the cylinder needles to serve as the inner layer of the knitted fabric;
weaving vortex spun core spun yarn in the 9 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric;
knitting high elastic yarn in the 10 th loop-forming system: knitting on the 4 th section of knitting needles of the low-heel needle and the cylinder needle of the dial needle simultaneously to serve as the knitted fabric for connecting the inner layer and the outer layer;
knitting cotton yarn in the 11 th loop-forming system: knitting on the 1 st section and the 4 th section of knitting needles of the cylinder needles to serve as inner layers of the knitted fabric;
weaving vortex spun core spun yarn in the 12 th loop-forming system: knitting on high-heel needles and low-heel needles of the dial needles to serve as outer layers of the knitted fabric.
2. The method for preparing the knitted fabric with the dazzling effect according to claim 1, is characterized in that:
the fineness of the vortex spinning core-spun yarn is 18-37 tex;
the fineness of the cotton yarn is 18-30 tex;
the fineness of the high stretch yarn is 8-11 tex.
3. The method for preparing the knitted fabric with the dazzling effect according to claim 1, is characterized in that:
the coil lengths of the loop forming systems of the 1 st, 4 th, 7 th and 10 th paths are 190-200 mm/100 needles independently;
the coil lengths of the 2 nd, 5 th, 8 th and 11 th loop forming systems are 230-260 mm/100 needles independently;
the coil length of the 3 rd, 6 th, 9 th and 12 th loop forming systems is 300-380 mm/100 needles independently.
4. The preparation method of the knitted fabric with the colorful effect according to claim 1 is characterized in that:
the number of the weft-knitted double-sided knitting machine is 18-24 needles.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111501175A (en) * | 2020-04-23 | 2020-08-07 | 江阴芗菲服饰有限公司 | Vortex spinning point yarn knitted fabric and preparation method thereof |
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