CN114875541B - Preparation method of fancy-colored spun chenille yarn and jacquard fabric prepared by preparation method - Google Patents
Preparation method of fancy-colored spun chenille yarn and jacquard fabric prepared by preparation method Download PDFInfo
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- CN114875541B CN114875541B CN202210558208.XA CN202210558208A CN114875541B CN 114875541 B CN114875541 B CN 114875541B CN 202210558208 A CN202210558208 A CN 202210558208A CN 114875541 B CN114875541 B CN 114875541B
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- 239000004744 fabric Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims description 11
- 210000002268 wool Anatomy 0.000 claims abstract description 60
- 238000009987 spinning Methods 0.000 claims abstract description 36
- 239000003086 colorant Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims description 16
- 238000009941 weaving Methods 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229920001778 nylon Polymers 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims 1
- 229930002877 anthocyanin Natural products 0.000 claims 1
- 235000010208 anthocyanin Nutrition 0.000 claims 1
- 239000004410 anthocyanin Substances 0.000 claims 1
- 150000004636 anthocyanins Chemical class 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 4
- 239000004753 textile Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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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
- D02G3/42—Chenille threads
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
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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
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D21/00—Lappet- or swivel-woven fabrics
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D27/00—Woven pile fabrics
- D03D27/18—Chenille fabrics
Abstract
The invention discloses a method for preparing color-spun chenille yarns, which is characterized in that color-spun chenille spinning equipment is additionally provided with a length-counting weft accumulator before a gauge length sheet and a rotary head; a yarn splicer is arranged between the wool yarn disc and the length-counting weft accumulator; the pile yarn disc can be provided with pile yarn bobbins of 4 colors. Setting the length of the wool yarns by weft storage in the length-counting weft storage device, and cutting the wool yarns by a blade under the twisting of the core yarns to form color-spun chenille yarns; when the fluff of the color spinning chenille yarn is in another color, the length-counting weft accumulator sends a signal to prompt the yarn splicer to cut the fluff yarn and change the fluff yarn into the fluff yarn in another color. The jacquard fabric prepared by the fancy color woven chenille yarns is scientific in spinning, novel in jacquard fabric and capable of making full use of technological strength, so that the traditional textile is more attractive, the patterns are hazy and rough, and the fabric can be light and thin and is popular in the market.
Description
Technical Field
The invention relates to a preparation method of chenille yarns, in particular to a preparation method of fancy color spun chenille yarns, and also relates to jacquard fabrics woven by the fancy color spun chenille yarns obtained by using the method, belonging to the technical field of spinning and weaving.
Background
The chenille yarn is bright and gorgeous in color, is popular among people and is widely applied to the fields of decorative sofas, even clothes and the like, but because the particularity of the chenille yarn is that the chenille yarn is single color from head to tail or is a color formed by doubling a plurality of colors from head to tail, people want to try to dye or spray on the chenille yarn to obtain a jacquard effect in a certain specific area if the chenille yarn is made into the jacquard fabric, but the color cannot be kept the same all the time, so that customers and factories can also enter two difficult steps.
The chenille yarn can be woven by a common jacquard method, but the characteristics of the pile of the chenille yarn are not ideal, the chenille yarn is spun by the main yarn and the four-color spun yarn like the color-spun four-color corduroy yarn with the utility model patent number of 201120175416.9, but the color is still impure, customers are still unsatisfied, the market needs the jacquard chenille fabric with pure color, the market potential is very large, and people urgently need the fabric product to come out.
Disclosure of Invention
In order to solve the problem of production of colored spun chenille yarn jacquard fabrics in the prior art, the invention aims to provide a preparation method of colored spun chenille yarns and the jacquard fabrics prepared by the same.
In order to solve the technical problems, the invention aims to realize that:
the invention relates to a method for preparing fancy color spun chenille yarns, wherein a length-counting weft accumulator is added in front of a gauge slice and a rotary head in the used chenille spinning equipment; a yarn splicer is arranged between the wool yarn disc and the length-counting weft accumulator; the down yarn disc can be provided with down yarn bobbins with 4 colors;
the preparation method comprises the following steps:
s1, respectively penetrating pile yarns with different colors into a pile yarn disc and a yarn splicer in sequence, then penetrating a first pile yarn through a length-counting weft accumulator, a gauge sheet and a blade, and waiting the other three pile yarns in the splicer;
s2, sequentially enabling the first core yarn and the second core yarn to pass through a yarn feeding roller, a rubber compression roller, a nylon guide wheel and a copper guide wheel according to the requirement of spinning the chenille yarns;
s3, cutting the pile yarns into piles under the condition that the gauge blades and the blades are twisted with the first core yarns and the second core yarns to form chenille yarns, and winding the chenille yarns on a bobbin under the combined motion of a spindle and a ring plate;
s4, in the spinning process, the length counting weft accumulator, the yarn splicer and the wool yarn disc are all controlled by a computer; the first pile yarn passes through the yarn splicer and the length counting weft accumulator through the pile yarn disc, the length of the first pile yarn required according to design requirements is stored, the first pile yarn is wound on the gauge piece through the rotation of the rotary head, and the first pile yarn is cut through the blade under the twisting of the first core yarn and the second core yarn to form the color spun chenille yarn with fluff as the first pile yarn;
s5, when the fluff of the color-spun chenille yarn is in another color, sending a signal by a computer through a length-counting weft accumulator to prompt that the first fluff yarn is cut off by a yarn splicer and is changed into the fluff yarn with the required color;
and S6, repeating S4 and S5 by analogy until one cycle is finished.
On the basis of the above scheme and as a preferable scheme of the scheme: the number of pile yarns used was 4 colors.
The invention also relates to a jacquard fabric prepared from the color-spun chenille yarns, which comprises the following steps:
firstly, the designed colored spun chenille yarn jacquard fabric is recorded into a computer, and the following data are obtained:
1a, the weft yarn cycle number of the whole pattern is numbered;
1b, recording the length of the color required by each weft yarn;
1c, additionally adding the length of waste selvage yarns at two ends at the length of each weft yarn;
1d, recording the color and the length of each color of each weft yarn required in one circulation after adding the waste edge yarns at two ends;
1e, calculating the length of the down yarn of each color in the down required by the whole circulation according to the multiple of the spinning down and the down yarn in the chenille yarn, and recording the length into a computer again;
1f, calculating the lengths of the down yarns required by each color in the manufactured color yarn chenille yarns again according to the shrinkage of the shrinkage process and the after-finishing shrinkage of the grey cloth, and confirming again;
(II) spinning fancy color spinning chenille yarn
2a, respectively and sequentially penetrating four wool yarns through a wool yarn disc and a yarn splicer, then penetrating a first wool yarn through a gauge piece and a blade, and waiting for the rest three wool yarns in the yarn splicer;
2b, sequentially enabling the first core yarn and the second core yarn to pass through a yarn feeding roller, a rubber press roller, a nylon guide wheel and a copper guide wheel;
2c, cutting the wool yarns into wool under the condition that the gauge blades and the blades are twisted with the first core yarns and the second core yarns to form chenille yarns, and winding the chenille yarns on a bobbin under the combined motion of a spindle and a ring plate;
2d, in the spinning process, the length counting weft accumulator, the yarn splicer and the wool yarn disc are all controlled by a computer; the first pile yarn passes through the yarn splicer and the length counting weft accumulator through a pile yarn disc, the weft accumulator stores the pile multiple including the required chenille pile yarn, the length of weaving waste edge yarn, the length of the first pile yarn required by the pile of a finished product door breadth, the weaving shrinkage, the after-finishing shrinkage and the length of the first pile yarn required by the pile of the finished product door breadth, the first pile yarn is wound on a spacer piece through the revolution of a revolving head, and the first pile yarn is cut through a blade under the twisting of the first core yarn and the second core yarn to form the colored spun chenille yarn with the pile being the first pile yarn;
2e, when the fluff of the color-spun chenille yarn is in another color, sending a signal by a computer through a length-counting weft accumulator to prompt that a yarn splicer cuts off the first fluff yarn and the first fluff yarn is changed into the fluff yarn with the required color;
2f, and so on, and get 2d and 2e again until one cycle is finished.
(III) weaving fancy color spinning chenille yarn jacquard fabric
Since the design and color of the fancy-colored spun chenille yarn are determined, all processes can not be changed any more;
3a, weaving from the end to the end of the spinning sequence in sequence;
3b, if a left difference and a right difference are found, the weft can be adaptively moved left and right without influencing the specific color of the waste selvage yarns at the two ends of the weft;
3c, weft folding is not allowed under the general condition, and if weft is removed, the weft is not allowed to exceed three wefts so as to avoid influencing the pattern;
and (IV) after-finishing.
On the basis of the above scheme and as a preferable scheme of the scheme: the length of the waste selvage yarns at the two ends of each weft yarn is 5cm.
Since the conventional spinning of chenille yarn is a united uninterrupted motion, chenille yarn is a fancy color spun chenille yarn which cannot be obtained by changing the color of the wool yarn during the motion.
In order to solve the problems, the invention relates to a method for preparing fancy color spun chenille yarns, which uses chenille spinning equipment, wherein a length-counting weft accumulator is added in front of a gauge piece and a rotary head; a yarn splicer is arranged between the wool yarn disc and the length-counting weft accumulator; the pile yarn disc can be provided with pile yarn bobbins of 4 colors.
The length-counting weft accumulator, the yarn splicer and the four-color pile yarn disc are synchronously controlled by a computer. The length-counting weft storage device is additionally arranged in front of the gauge piece and the rotary head, and the required time is gained for cutting and knotting the pile yarns for replacing the pile yarns of another color.
The original woolen yarn disk which can only be used for placing one woolen yarn bobbin is changed into a woolen yarn disk which can be used for placing four woolen yarn bobbins. The down yarn discs with four colors are placed, so that the color selecting joint can be selected according to the computer instruction through the yarn joint device under the computer instruction under the condition that the length-counting weft accumulator wins several seconds.
The length-counting weft accumulator, the yarn splicer and the wool yarn disc are controlled by a computer in a unified way, so that the wool yarns with different colors can be replaced according to requirements, and the fancy-color chenille yarns can be spun.
The beneficial effects of the invention are: the preparation method of the fancy-colored spun chenille yarn and the jacquard fabric prepared by the preparation method are scientific in spinning, novel in jacquard fabric and capable of making the traditional textile more attractive, and the pattern is vague, so that the fabric can be light and thin and is popular in the market.
Drawings
FIG. 1 is a schematic view of a fancy-spun chenille jacquard fabric produced in the present invention;
FIG. 2 is a schematic structural diagram of an fancy-spun chenille yarn produced by the present invention;
fig. 3 is a schematic spinning drawing of the fancy-spun chenille yarn according to the present invention.
The designations in the figures illustrate the following: a-a first color portion; b-a second color section; c-a third color section; n-fourth color section: D-waste yarn; e-core yarn; g-fluff; 1A-a first pile yarn; 1B-a second pile yarn; 1C-third grade fluff economy; 1N-fourth pile yarn; 2-a first core yarn; 3-a second core yarn; 4. 4', 4' -yarn guides; 5-a nylon guide wheel; 6-copper guide wheel; 7-gauge pieces; 8-a blade; 9-a turret head; 10-a bobbin; 11-ring plate; 12-a spindle; 13-a yarn feeding roller; 14-rubber press roll; 20-a pile yarn disc; 21-a yarn splicer; 22-length measuring weft accumulator.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
The present invention will be described in detail with reference to fig. 1, 2 and 3.
The conventional chenille yarn is prepared by the combined motion of a wool yarn and a core yarn through a yarn guide 4, a nylon guide wheel 5, a copper guide wheel 6, a gauge sheet 7, a blade 8, a rotary head 9, a bobbin 10, a ring plate 11, a spindle 12, a yarn feeding roller 13, a rubber compression roller 14 and the like. The wool yarn is rolled on a reversed triangular gauge sheet 7 through a high-speed rotary head 9, then is conveyed to a core yarn E of a copper guide wheel 6 and a nylon guide wheel 5 through a yarn feeding roller 13 and a rubber compression roller 14 to be clamped and rotated, and finally is cut into chenille yarns by a blade, the wool yarn is cut into wool G, and the wool G is clamped by two core yarns E. Finally, the velvet is rolled on the bobbin 10 through the ring plate 11 and the spindle 12. Therefore, in the conventional chenille yarn spinning process, the core yarn E and the wool yarn are obtained by continuously rolling the wool at a constant speed according to spinning.
Since the conventional spinning of the chenille yarn is combined uninterrupted motion, the chenille yarn cannot change the color of the wool yarn during the motion process to obtain the fancy color spun chenille yarn.
In view of the above, the present invention relates to a method for producing fancy-color chenille yarns, wherein a chenille spinning device is provided with a length-counting weft accumulator 22 before a gauge piece 7 and a rotary head 9; a yarn splicer 21 is arranged between the wool yarn disc 20 and the length-counting weft accumulator 22; the pile yarn disc 20 may be provided with pile yarn bobbins of 4 colors.
The length-counting weft accumulator 22, the yarn splicer 21 and the four-color pile yarn disc 20 are synchronously controlled by a computer. The length-counting weft accumulator 22 is additionally arranged before the gauge plate 7 and the rotary head 9, and the required time is gained for cutting and knotting the wool yarns for replacing the wool yarns of another color.
To explain this, the length-counting weft accumulator 22 can accumulate more pile yarns so that the turret 9 nylon guide wheel 6 of the tire 9 copper guide wheel does not have to stop to replace the pile yarns by the yarn splicer 21, thereby gaining the time required.
The original woolen yarn disc 20 which can only be provided with one woolen yarn bobbin is changed into the woolen yarn disc 20 which can be provided with four woolen yarn bobbins. The pile yarn disks 20 of four colors are placed, so that color splicing can be selected according to computer instructions through the yarn splicer 21 under the computer instructions in the case that the length-counting weft accumulator 22 wins several seconds.
The length-counting weft accumulator 22, the yarn splicer 21 and the wool yarn disc 20 are controlled by a computer in a unified way, so that wool yarns with different colors can be replaced according to requirements, and the spun chenille yarns can be spun.
The preparation method comprises the following steps:
s1, pile yarns with different colors respectively penetrate into a pile yarn disc 20 and a yarn splicer 21 in sequence, then a first pile yarn 1A penetrates through a length-counting weft accumulator 22, a gauge piece 7 and a blade 8, and the other three pile yarns wait in the splicer 21.
Further, the number of pile yarns used was 4 colors.
S2, enabling the first core yarn 2 and the second core yarn 2 to sequentially pass through a yarn feeding roller 13, a rubber compression roller 14, a nylon guide wheel 5 and a copper guide wheel 6 according to the requirements of spinning the chenille yarns.
S3, the first pile yarn is cut into piles G under the condition that the gauge sheet 7 and the blade 8 are twisted with the first core yarn 2 and the second core yarn 3 to form the colored spun chenille yarn, and the piles are rolled on the bobbin 10 under the combined motion of the spindle 12 and the ring plate 11.
S4, in the spinning process, the length-counting weft accumulator 22, the yarn splicer 21 and the wool yarn disc 20 are controlled by a control unit; the first wool yarn 1A passes through a yarn splicer 21 and a length-counting storage 22 through a wool yarn disc 20, the length of the first wool yarn 1A required according to design requirements is stored, then a rotary head 9 rotates to wind the first wool yarn 1A on a gauge 7, and the first wool yarn 1A is cut by a blade 8 under the twisting of a first core yarn 2 and a second core yarn 3 to form the fancy color spun chenille yarn with the wool G being the first wool yarn 1A.
And S5, when the fluff of the color-spun chenille yarn is in another color, sending a signal by the length-counting weft accumulator, cutting off the first fluff yarn 1A by the yarn splicer 21, and replacing the first fluff yarn 1A with the fluff yarn in the required color. That is, when the pile yarns of different colors are replaced, only the second pile yarn 1B, the third pile yarn 1C or the fourth pile yarn 1D of the corresponding color needs to be selected to be connected with the first pile yarn 1A at the yarn connector 21.
And S6, repeating S4 and S5 in sequence until one cycle is finished.
The invention also relates to a jacquard fabric prepared from the fancy-colored spun chenille yarns, which comprises the following steps:
firstly, the designed fancy color woven chenille yarn jacquard fabric is recorded into a computer, and the following data are obtained:
1a, the number of weft circulation of the whole pattern is numbered;
1b, recording the length of the color required by each weft yarn;
1c, additionally adding the lengths of the waste selvage yarns at two ends at the length of each weft yarn; the length of the waste selvage yarns at the two ends of each weft yarn is 5cm.
1d, recording the color and the length of each color of each weft yarn required in one circulation after removing the waste edge yarns at two ends;
1e, calculating the length of the down yarn of each color in the down required by the whole cycle according to the multiples of the down yarns and the down yarns in the chenille yarns, and recording the length into a computer;
and 1f, calculating the lengths of the down yarns required by each color in the manufactured color yarn chenille yarns again according to the shrinkage process shrinkage and the after-finishing shrinkage of the grey cloth, and confirming again.
(II) spinning fancy color spinning chenille yarn
2a, respectively and sequentially passing four wool yarns through a wool yarn disc 20 and a yarn splicer 21, then passing a first wool yarn 1A through a gauge piece 7 and a blade 8, and waiting for the rest three wool yarns in the yarn splicer 21;
2b, sequentially enabling the first core yarn 2 and the second core yarn 3 to pass through a yarn feeding roller 13, a rubber compression roller 14, a nylon guide wheel 5 and a copper guide wheel 6;
2c, the first pile yarn 1A is cut into pile G under the condition that the gauge 7, the blade 8 and the first core yarn 2 and the second core yarn 3 are twisted, so as to form color-spun chenille yarns, and the color-spun chenille yarns are wound on the bobbin 10 under the combined motion of the spindle 12 and the ring plate 11;
2d, in the spinning process, the length counting weft accumulator 22, the yarn splicer 21 and the wool yarn disc 20 are controlled by a control unit computer; the first wool yarn 1A passes through a yarn splicer 21 and a length counting weft accumulator 22 through a wool yarn disc 20, the length of the first wool yarn 1A required by the wool of the length of the waste selvage yarn D is accumulated, then a rotary head 9 rotates to wind the first wool yarn 1A on a spacer, and the first wool yarn 1A is cut by a cutter 8 under the twisting of a first core yarn 2 and a second core yarn 3 to form the wool G which is the fancy color spun chenille yarn of the first wool yarn 1A;
2e, when the fluff of the fancy color chenille yarn is in another color, the length counting weft accumulator 22 sends a signal to prompt that the yarn splicer 21 cuts off the first fluff yarn 1A and the first fluff yarn 1A is changed into the fluff yarn with the required color. That is, when the pile yarns with different colors are replaced, only the second pile yarn 1B, the third pile yarn 1C or the fourth pile yarn 1N with the corresponding color needs to be selected to be connected with the first pile yarn 1A at the yarn connector 21.
2f, and so on, and get 2d and 2e again until one cycle is finished.
(III) weaving fancy color spinning chenille yarn jacquard fabric
Since the design and color of the fancy-colored spun chenille yarn are determined, all processes can not be changed any more;
3a, weaving from the head to the tail in sequence instead of the spinning sequence;
3b, if a left difference and a right difference are found, the weft can be adaptively moved left and right without influencing the specific color of the waste selvage yarns at the two ends of the weft;
3c, weft folding is not allowed under the general condition, and if weft is removed, the weft is not allowed to exceed three wefts, so that the pattern is not influenced;
and (IV) after-finishing.
The produced fancy-colored woven chenille jacquard fabric comprises a first color part A, a second color part B, a third color part C and a fourth color part N. The traditional textile has more attractive effect, the flower pattern is hazy and rough, and the fabric can be light and thin and is popular in the market.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the above teachings. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (4)
1. A method for preparing color-dyed chenille yarn is characterized in that a length-counting weft accumulator is added in front of a gauge piece and a rotary head of chenille spinning equipment; a yarn splicer is arranged between the wool yarn disc and the length-counting weft accumulator; the woolen yarn disc is provided with woolen yarn bobbins with 4 colors;
the preparation method comprises the following steps:
s1, respectively penetrating pile yarns with different colors into a pile yarn disc and a yarn splicer in sequence, then penetrating a first pile yarn through a length-counting weft accumulator, a gauge sheet and a blade, and waiting the other three pile yarns in the yarn splicer;
s2, sequentially enabling the first core yarn and the second core yarn to pass through a yarn feeding roller, a rubber compression roller, a nylon guide wheel and a copper guide wheel according to the requirement of spinning the chenille yarns;
s3, winding the pile yarns on the gauge slice, cutting the pile yarns into piles through a blade under the twisting of the first core yarns and the second core yarns to form fancy color spun chenille yarns, and winding the yarns on a bobbin under the combined motion of a spindle and a ring plate;
the specific process is as follows: in the spinning process, the length counting weft accumulator, the yarn splicer and the wool yarn disc are all controlled by a computer; the first pile yarn passes through the yarn splicer and the length counting weft accumulator through the pile yarn disc, the length of the first pile yarn required according to design requirements is stored, then the first pile yarn is wound on the gauge piece through the rotation of the rotary head, and the first pile yarn is cut by the blade under the twisting of the first core yarn and the second core yarn to form the design color spun chenille yarn with fluff as the first pile yarn;
s4, when the fluff of the required color spun chenille yarn is in another color, the computer controls the length-counting weft accumulator to send a signal to prompt the yarn splicer to cut off the first fluff yarn and change the first fluff yarn into the fluff yarn in the required color;
and S5, repeating S3 and S4 by analogy until one cycle is finished.
2. An anthocyanin spun chenille yarn as claimed in claim 1, wherein the quantity of pile yarns is 4 colors.
3. The jacquard fabric prepared from the fancy-colored spun chenille yarns is characterized by comprising the following steps:
firstly, the designed fancy color spun chenille yarn jacquard fabric is recorded into a computer, and the following data are obtained:
1a, the number of weft circulation of the whole pattern is numbered;
1b, recording the length of the color required by each weft yarn;
1c, additionally adding the lengths of the waste selvage yarns at two ends at the length of each weft yarn;
1d, recording the colors and the lengths of all colors of each weft yarn required in one cycle after adding the waste edge yarns at two ends;
1e, calculating the length of the down yarn of each color in the down required by the whole cycle according to the multiples of the down yarns and the down yarns in the chenille yarns, and recording the length into a computer;
1f, calculating the lengths of the down yarns required by each color in the manufactured fancy color spun chenille yarns again according to the weaving shrinkage and the after finishing shrinkage of the grey cloth, and confirming again;
(II) spinning fancy color spinning chenille yarn
2a, respectively and sequentially penetrating four wool yarns through a wool yarn disc and a yarn splicer, then penetrating the first wool yarn through a length-counting weft accumulator, a distance-measuring piece and a blade, and waiting for the rest three wool yarns in the yarn splicer;
2b, sequentially enabling the first core yarn and the second core yarn to pass through a yarn feeding roller, a rubber compression roller, a nylon guide wheel and a copper guide wheel;
2c, winding the wool yarns on the gauge slice, cutting the wool yarns into wool yarns through the blade under the twisting of the first core yarns and the second core yarns to form chenille yarns, and winding the chenille yarns on the bobbin under the combined motion of the spindle and the ring plate;
the specific process is as follows: in the spinning process, the length counting weft accumulator, the yarn splicer and the wool yarn disc are all controlled by a computer; the first pile yarn passes through the yarn splicer and the length counting weft accumulator through a pile yarn disc, the weft accumulator stores the pile multiple of the required color spun chenille yarn, the length of the weaving waste edge yarn, the length of the first pile yarn required by the pile of the finished product width, the weaving shrinkage, the after-finishing shrinkage and the length of the first pile yarn required by the pile of the finished product width, the first pile yarn is wound on a spacer piece through the revolution of a revolution head, and the first pile yarn is cut through a blade under the twisting of the first core yarn and the second core yarn to form the color spun chenille yarn of which the pile is the first pile yarn;
2d, when the fluff of the required color spun chenille yarn is in another color, the computer controls the length counting weft accumulator to send a signal to prompt the yarn splicer to cut off the first fluff yarn and change the first fluff yarn into the fluff yarn in the required color;
2e, repeating 2c and 2d by analogy in sequence until a cycle is ended;
(III) weaving design and color spinning chenille yarn jacquard fabric
Since the design of the fancy-dyed chenille yarn is determined, no change can be made in all the processes;
3a, weaving from the end to the end of the spinning sequence in sequence;
3b, if a left difference and a right difference are found, carrying out adaptive left-right movement under the condition of not influencing the specific color of the waste selvage yarns at the two ends of the weft yarns;
3c, weft removal is not allowed under the general condition, and if weft removal is allowed, weft removal is not allowed to exceed three wefts so as to avoid influencing patterns;
and (IV) after-finishing.
4. The jacquard fabric made of fancy-colored spun chenille yarns according to claim 3, wherein the length of the waste selvage yarns at the two ends of each weft yarn is 5cm.
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