CN106245177A - A kind of RING SPINNING thick denier elastic weft yarn and production technology thereof - Google Patents

A kind of RING SPINNING thick denier elastic weft yarn and production technology thereof Download PDF

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Publication number
CN106245177A
CN106245177A CN201610729343.0A CN201610729343A CN106245177A CN 106245177 A CN106245177 A CN 106245177A CN 201610729343 A CN201610729343 A CN 201610729343A CN 106245177 A CN106245177 A CN 106245177A
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CN
China
Prior art keywords
yarn
weft yarn
ring spinning
production technology
thick denier
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CN201610729343.0A
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Chinese (zh)
Inventor
刘效川
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Shandong Hilsen Technology Co Ltd</en>
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Shandong Hilsen Technology Co Ltd</en>
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Priority to CN201610729343.0A priority Critical patent/CN106245177A/en
Publication of CN106245177A publication Critical patent/CN106245177A/en
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Classifications

    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/32Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/22Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/32Regulating or varying draft
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44Yarns or threads characterised by the purpose for which they are designed
    • D02G3/48Tyre cords
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • D10B2201/02Cotton
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/02Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides

Abstract

The present invention provides a kind of RING SPINNING thick denier elastic weft yarn, and described elastic force weft yarn, fiber number is that 18 ± 2 English prop up;The present invention also provides for the production technology of a kind of RING SPINNING thick denier elastic weft yarn, described production technology, including the preparation of PA66 undrawn yarn, rove, the feeding of PA66 undrawn yarn, spun yarn, automatic winding.Elastic force weft yarn prepared by the present invention, fiber number is that 18 ± 2 English prop up, single thread ultimate strength: 350 ± 50cN, strongly CV:< 8%;Elongation at break is 290 ± 50%, percentage elongation CV:< 8%;Elastic force weft yarn prepared by the present invention, heat-resist, in the heat treatment processes such as fabric impregnation, strength and the extendability loss of energy of elastic force weft yarn are little;After placing 4 minutes under the conditions of 240 ° of C, single thread ultimate strength 300 ± 50cN, elongation at break 200 ± 50%.

Description

A kind of RING SPINNING thick denier elastic weft yarn and production technology thereof
Technical field
The present invention provides a kind of RING SPINNING thick denier elastic weft yarn and production technology thereof, belongs to spinninging technical field.
Background technology
Various fabrics have length and width, and the length parallel with selvedge is referred to as coupe, and the direction of coupe is just for fabric footpath To;The length perpendicular with selvedge claims its fabric width, and the direction of fabric width is the broadwise of fabric, when weaving cotton cloth, for yarn is radially Warp thread, the yarn for broadwise is referred to as weft yarn.
The weft yarn of weaving radial-ply tyre cord fabric has the disadvantage that
(1) single thread ultimate strength and fracture productivity ratio are relatively low;
(2) after the abundant impregnation of cord fabric, the poor heat resistance of weft yarn, in the heat treatment processes such as fabric impregnation, the strength of weft yarn and The extendability loss of energy is bigger;
(3) efficiency that uses that jet cloth is woven when making is high, latitude stops many;
(4) fabric tissue using weft yarn to make is unstable.
Summary of the invention
For solving the deficiency that prior art exists, the present invention provides a kind of RING SPINNING thick denier elastic weft yarn and produces work Skill, to realize following goal of the invention:
(1) the elastic force weft yarn that prepared by the present invention, fiber number is that 18 ± 2 English prop up, and single thread ultimate strength reaches 350 ± 50cN, strongly CV:< 8%;Elongation at break reaches 290 ± 50%, percentage elongation CV:< 8%;
(2) the elastic force weft yarn that prepared by the present invention, heat-resist, in the heat treatment processes such as fabric impregnation, the strength of elastic force weft yarn Little with the extendability loss of energy;
(3) the elastic force weft yarn that prepared by the present invention, when being used for weaving radial-ply tyre cord fabric, the efficiency that uses that jet cloth is woven when making is high, Latitude stops few;100000 latitudes stop less than 5 times;
(4) the elastic force weft yarn that prepared by the present invention, can fully keep cord fabric fabric tissue stable, and cord fabric immersing glue process can be expired Foot expanding requirement, keeps cloth web stabilization constantization after expanding to scope of design impregnation.
For solving above-mentioned technical problem, the technical scheme that the present invention takes is as follows:
A kind of RING SPINNING thick denier elastic weft yarn, described elastic force weft yarn, fiber number is that 18 ± 2 English prop up.
The following is and the further of technical solution of the present invention is improved:
Described elastic force weft yarn, single thread ultimate strength: 350 ± 50cN, elongation at break is 290 ± 50%.
Described elastic force weft yarn, strongly CV < 8%, percentage elongation CV < 8%.
A kind of production technology of RING SPINNING thick denier elastic weft yarn, described production technology, including PA66 undrawn yarn preparation, Rove, the feeding of PA66 undrawn yarn, spun yarn, automatic winding.
Described PA66 undrawn yarn, fiber number is 230 ± 20dtex;Ultimate strength is 380 ± 50 cN, strongly CV < 8%, disconnected Splitting percentage elongation is 290 ± 50%, elongation at break CV < 8%;Heat-tolerant index (240 DEG C, 4 minutes): ultimate strength is 330 ± 50 CN, extension at break is 210 ± 50%.
Described PA66 undrawn yarn, is preferably: fiber number is 230 ± 10dtex;Ultimate strength is 400 ± 20cN, strongly CV < 8%, elongation at break is 280 ± 20%, elongation at break CV < 8%;Heat-tolerant index (240 DEG C, 4 minutes): ultimate strength is 330 ± 20cN, extension at break is 210 ± 20%.
The preparation of described PA66 undrawn yarn, including spinning, cooling molding and winding;
Described spinning, cooling molding, assembly preheating temperature: 320 ± 10 DEG C, dosing pump specification: 2.4ml/r × 2, dosing pump turns Speed: 22.5-23.5 rev/min, cross air blasting wind speed 1.3 ± 0.2 meter per second, cross air blasting pathogenic wind-warm: 25 ± 3 DEG C, rheumatism 70 ± 5%.
Described winding, upper draw-off godet frequency: 70 ± 3HZ, lower draw-off godet frequency: 70 ± 2HZ, friction roller frequency: 70 ± 2HZ, reciprocal frequency of transverse moving: 58-64HZ, winding speed: 989 ± 50 ms/min, oil concentration: 14 ± 1%, oil preparation oil applying rate: 0.6-1.0%。
Described winding speed, preferably 989 ± 10 ms/min, oil preparation oil applying rate is preferably 0.85-0.95%.
Described rove, uses combed long staple cotton, cotton quality: 137A;Cotton sliver fiber upper half mean length 33-35mm, Below 16.5mm chopped fiber is less than 6.5%, mic value A level;Quantitative 3.45 ± 0.2g/ rice, twist factor 105 ± 10.
Described spun yarn, yarn roller centre-to-centre spacing proparea 20mm, ratch back zone 40mm, back zone drafting multiple 1.3- 1.5 times, front roller speed 160 ± 10 revs/min.
Described spun yarn, is uniformly coated with combed long staple cotton outside PA66 undrawn yarn, the cotton percentage by weight 30 ± 5% of bag, spun yarn The twist is 750 ± 100 twists/m.
Described ramie yarn twist, preferably 750 ± 60 twists/m;
Further, described ramie yarn twist, preferably 750 ± 30 twists/m;
The cotton percentage by weight of described bag is preferably 30 ± 3%;
The feeding of described PA66 undrawn yarn, the tension force 2-5g of silk.
The feeding of described PA66 undrawn yarn, the tension force of silk is preferably 3-5g.
Described automatic winding, molding balance pressure 0.38 ± 0.12MPa, tension force control is: cylinder yarn length less than 20% Force parameter 10-12, length 20-90% tension parameters 13-16, length 90-100% tension parameters 16-19;
Described spun yarn spinning frame, including tensioner, godet roller, front leather roller;Described tensioner, uses tension piece natural pressure Control, weight 2-5g;Described godet roller, a diameter of 37mm;Described front leather roller, hardness 83 ± 3.
The production technology of described elastic force weft yarn, also includes sizing;Described sizing, vacuum and steam shapes, vapor (steam) temperature 100 ± 20 degree.
Compared with prior art, beneficial effects of the present invention is as follows:
(1) the elastic force weft yarn that prepared by the present invention, fiber number is that 18 ± 2 English prop up, single thread ultimate strength: 350 ± 50cN, strongly CV:< 8%;Elongation at break is 290 ± 50%, percentage elongation CV:< 8%;
(2) the elastic force weft yarn that prepared by the present invention, heat-resist, in the heat treatment processes such as fabric impregnation, the strength of elastic force weft yarn Little with the extendability loss of energy;After placing 4 minutes under the conditions of 240 ° of C, single thread ultimate strength 300 ± 50cN, elongation at break 200 ±50%;
(3) the elastic force weft yarn that prepared by the present invention, when being used for weaving radial-ply tyre cord fabric, the efficiency that uses that jet cloth is woven when making is high, Latitude stops few;100000 latitudes stop less than 5 times;
(4) the elastic force weft yarn that prepared by the present invention, can fully keep cord fabric fabric tissue stable, and cord fabric immersing glue process can be expired Foot expanding requirement, keeps cloth web stabilization constantization after expanding to scope of design impregnation;
(5) the elastic force weft yarn that prepared by the present invention, low price, it is substantially reduced cord fabric weaving cost;Steady quality is reliable, especially It is suitable for the weaving of medium-to-high grade tire cord fabric.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the hanging wire frame produced for elastic force weft yarn in the present invention;
Accompanying drawing 2 is the top view of accompanying drawing 1;
Accompanying drawing 3 is the structural representation of traveller in the present invention;
In figure,
1-spinning frame, 2-column, 3-conducting wire pole, 4-connecting rod, 5-cross bar, 6-hangs yarn bar, 7-traveller, 8-the first vertical arm, 9- Transverse arm, 10-the second vertical arm, 11-link, 12-curved portions.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it should be appreciated that preferred embodiment described herein is only used In the description and interpretation present invention, it is not intended to limit the present invention.
The production technology of 1 one kinds of RING SPINNING thick denier elastic weft yarns of embodiment
With ring spinning spinning frame through transformation, install hanging wire frame, godet roller additional, outside PA66UDY, be coated with cotton fiber, at front skin Roller is in silk and converges, and by spinning frame twist system, by cotton fiber uniform winding tightly at the outer layer of PA66UDY, is wound on On spool, make spun yarn cop, after cop is implemented dead twist process, be machined to a yarn shape with automatic winding.
Specifically include following steps:
Step one, the preparation of PA66 undrawn yarn
The preparation of described PA66 undrawn yarn, comprises the following steps:
(1) material choice
Use PA66 resin slicer, viscosity 2.65-3.1;
Described resin slicer, oxidation index (YI)≤-2, moisture content (ppm)≤3000, appearance requirement does not allow obvious black grain, Overlength and adhesion section.
(2) it is dried
With VC352 type rotary drum, section is dried;
Drying process is as follows: baking temperature 120 ± 5 DEG C, 4-4.5 hour drying time, and being dried vacuum is >=-0.09MPa, dry The dry moisture to section is 850 ± 50ppm.
(3) extrusion molten
Spinning melt temperature 295 ± 5 DEG C, uses screw extruder to carry out extrusion molten, extrusion molten parameter such as table 1 below.
The parameter of table 1 extrusion molten
(4) assembling components
Adding 150 mesh stainless (steel) wires before spinneret, before stainless (steel) wire, make filter course with 60 mesh metal sands, the specification of spinneret is 22 hole × 0.3 × 0.6mm(draw ratio 1:2);
Described 0.3mm is aperture, 0.6mm hole length.
(5) spinning, cooling molding
Assembly preheating temperature: 310 DEG C, dosing pump specification: 2.4ml/r × 2, dosing pump rotating speed: 22.5 revs/min, cross air blasting wind Speed 1.1 meter per seconds, cross air blasting pathogenic wind-warm: 22 DEG C, rheumatism 65%.
(6) winding
Strand enters up-coiler, upper draw-off godet frequency: 67HZ, lower seal wire through cross air blasting cooling molding by interlayer heat pipe path Dish frequency: 68HZ, friction roller frequency: 68HZ, reciprocal frequency of transverse moving: 58HZ, winding speed: 960 ms/min, oil concentration: 13%, oil preparation oil applying rate: 0.85%.
Described PA66 undrawn yarn, fiber number is 210dtex;Ultimate strength is 330cN, strongly CV < 8%, and elongation at break is 240%, elongation at break CV < 8%;Heat-tolerant index (240 DEG C, 4 minutes): ultimate strength is 280cN, and extension at break is 160%.
Step 2, rove
Rove combed long staple cotton, buys from market;
Described combed long staple cotton, cotton quality: 137A;Cotton sliver fiber upper half mean length 33-35mm, the short fibre of below 16.5mm Dimension is less than 6.5%, mic value A level (3.7-4.2);
Described combed long staple cotton, quantitative 3.25g/ rice, twist factor 95.
Step 3, spinning frame are transformed
Using FA506 type spinning frame, both sides install hanging wire frame additional,
As shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, described hanging wire frame, including spinning frame 1 and two row's columns 2, wherein row's column 2 sets Putting the left side at spinning frame 1, other row's column 2 is arranged on the right side of spinning frame 1, row's column 2 in left side and the one of right side Row's column 2 is symmetrical arranged, and is provided with connecting rod between the upper end of former and later two columns 2 in left side and former and later two columns 2 on right side 4, if each column 2 is provided with cladding yarn bar 6, the extension yarn bar 6 of arranged on left and right sides is symmetrical arranged along spinning frame 1, the lower section of connecting rod 4 It is provided with traveller 7, between column 2 and spinning frame 1, is provided with conducting wire pole 3, the upper end of the column 2 in left side and the column 2 on right side upper End is respectively equipped with cross bar 5;
Traveller 7 includes the first vertical arm 8 and the second vertical arm 10, and connecting between the first vertical arm 8 and the second vertical arm 10 has Transverse arm 9, the upper end of the first vertical arm 8 is provided with curved portions 12, and the upper end of the second vertical arm 10 is provided with link 11, and link 11 is Circle, a diameter of 8mm of link 11, the first vertical arm 8, transverse arm 9 and the circle that cross section is a diameter of 4mm of the second vertical arm 10 Shape.
Described spinning frame, also includes lever jack, tensioner, godet roller, front leather roller;
Described lever jack, uses hollow chromium-plated tube, and seal wire hooks 7, uses iron bar to bend rear chromium plating, and advantage does not twine flower, non-corrosive, rubs Wipe few.
Described tensioner, controls with tension piece natural pressure, and weight 3g, Tensity size can change pressure as requested Sheet, easy to adjust.
Described godet roller, freely rotatable plough groove type aluminum alloy wheel, lightweight, rotate flexibly, diameter uses 37mm instead from 28mm Major diameter, it is not easy to running silk, position can regulate, regulation is fixed with nut after putting in place, will not change.
Described front leather roller, hardness 80, butyronitrile material or other high-abrasive materials
Step 4, the feeding of PA66 undrawn yarn
PA66UDY is wound on silk cylinder, is hung over by silk cylinder on hanging wire frame, and filament winding crosses lever jack---seal wire hook---, and tension force fills Put---godet roller----entrance front leather roller,
During feeding, the tensioned device of tension force of silk controls, tension force 3g;Silk front end, between front roller and front leather roller, is passed through The rotation of front roller pulls silk continuously output Tong Bu with combed long staple cotton.
Step 5, spun yarn
Combed long staple cotton, the front leather roller at spinning frame is in PA66 undrawn yarn and converges, yarn roller centre-to-centre spacing proparea 20mm, sieve Draw centre-to-centre spacing back zone 40mm, back zone drafting multiple 1.3 times, front roller speed 150 revs/min;Roving twist factor 95;The cotton weight of bag Percentage ratio 27%, is uniformly coated with, and occurs without naked silk;Godet roller adjusts in fixed position, it is ensured that long in combing when front leather roller exports The centre that floss is cotton, front roller pulls the output of silk and combed long staple cotton simultaneously, and during twisting, cotton fiber wraps up uniformly Outer layer at silk;
Simultaneously, ramie yarn twist is 650 twists/m, and rings model is 4254 Plane Ring, and wire loop is 772 types 1-4 in cladding twisting Number.
Step 6, sizing
Vacuum and steam is shaped, vapor (steam) temperature 90 degree.
Step 7, automatic winding
Molding balance pressure 0.26MPa;
Tension force: cylinder yarn length less than 20% tension parameters 10, length 20-90% tension parameters 13, length 90-100% tension parameters 16(length refers to that each yarn is a circulation from starting to spin full cylinder, and each circulation sets according to weight or length);
Splicer model is this pellet 690 beautiful;Sth. made by twisting lumen type number is 51w2.
Step 8, packaging
Packed in cases, determines weight 20 kilograms, cylinder yarn outsourcing sealed plastic bag, built-in 8 ± 2g anti-blushing agent one bag.
The production technology of 2 one kinds of RING SPINNING thick denier elastic weft yarns of embodiment
Specifically include following steps:
Step one, the preparation of PA66 undrawn yarn
Preparation method, with embodiment 1, only changes following steps:
(5) spinning, cooling molding
Assembly preheating temperature: 320 DEG C, dosing pump specification: 2.4ml/r × 2, dosing pump rotating speed: 23 revs/min, cross air blasting wind speed 1.3 meter per seconds, cross air blasting pathogenic wind-warm: 25 DEG C, rheumatism 70%.
(6) winding
Strand enters up-coiler, upper draw-off godet frequency: 70HZ, lower seal wire through cross air blasting cooling molding by interlayer heat pipe path Dish frequency: 70HZ, friction roller frequency: 70HZ, reciprocal frequency of transverse moving: 61HZ, winding speed: 989 ms/min, oil concentration: 14%, oil preparation oil applying rate: 0.9%.
Described PA66 undrawn yarn, fiber number is 230dtex;Ultimate strength is 380cN, strongly CV < 8%, and elongation at break is 290%, elongation at break CV < 8%;Heat-tolerant index (240 DEG C, 4 minutes): ultimate strength is 330cN, and extension at break is 210%.
Step 2, rove
Rove combed long staple cotton, buys from market;
Described combed long staple cotton, cotton quality: 137A;Cotton sliver fiber upper half mean length 33-35mm, the short fibre of below 16.5mm Dimension is less than 6.5%, mic value A level (3.7-4.2);
Described combed long staple cotton, quantitative 3.45g/ rice, twist factor 105.
Step 3, spinning frame are transformed
With embodiment 1, only change arranged below:
Described tensioner, controls with tension piece natural pressure, weight 4g;
Described front leather roller, hardness 83.
Step 4, the feeding of PA66 undrawn yarn
PA66UDY is wound on silk cylinder, is hung over by silk cylinder on hanging wire frame, and filament winding crosses lever jack---seal wire hook---, and tension force fills Put---godet roller----entrance front leather roller,
During feeding, the tensioned device of tension force of silk controls, tension force 4g;Silk front end, between front roller and front leather roller, is passed through The rotation of front roller pulls silk continuously output Tong Bu with combed long staple cotton.
Step 5, spun yarn
Combed long staple cotton, the front leather roller at spinning frame is in PA66 undrawn yarn and converges, yarn roller centre-to-centre spacing proparea 20mm, sieve Draw centre-to-centre spacing back zone 40mm, back zone drafting multiple 1.4 times, front roller speed 160 revs/min;Roving twist factor 105;Bao Mianchong Amount percentage ratio 30%, is uniformly coated with, occurs without naked silk;Godet roller adjusts in fixed position, it is ensured that in combing when front leather roller exports The centre of long-staple cotton, front roller pulls the output of silk and combed long staple cotton simultaneously, and during twisting, cotton fiber wraps uniformly It is rolled in the outer layer of silk;
Simultaneously, ramie yarn twist is 750 twists/m, and rings model is 4254 Plane Ring, and wire loop is 772 types 1-4 in cladding twisting Number.
Step 6, sizing
Vacuum and steam is shaped, vapor (steam) temperature 100 degree.
Step 7, automatic winding
Molding balance pressure 0.38MPa,
Tension force: cylinder yarn length less than 20% tension parameters 11, length 20-90% tension parameters 14.5, length 90-100% tension force is joined Number 17.5(length refer to that each yarn is a circulation from starting to spin full cylinder, and each circulation sets according to weight or length Fixed);
Splicer model is this pellet 690 beautiful;Sth. made by twisting lumen type number is 51w2.
Step 8, packaging
Packed in cases, determines weight 20 kilograms, cylinder yarn outsourcing sealed plastic bag, built-in 8 ± 2g anti-blushing agent one bag.
The production technology of 3 one kinds of RING SPINNING thick denier elastic weft yarns of embodiment
Specifically include following steps:
Step one, the preparation of PA66 undrawn yarn
Preparation method, with embodiment 1, only changes following steps:
(5) spinning, cooling molding
Assembly preheating temperature: 325 DEG C, dosing pump specification: 2.4ml/r × 2, dosing pump rotating speed: 23.2 revs/min, cross air blasting wind Speed 1.4 meter per seconds, cross air blasting pathogenic wind-warm: 27 DEG C, rheumatism 72%.
(6) winding
Strand enters up-coiler, upper draw-off godet frequency: 71HZ, lower seal wire through cross air blasting cooling molding by interlayer heat pipe path Dish frequency: 71HZ, friction roller frequency: 71HZ, reciprocal frequency of transverse moving: 62HZ, winding speed: 1005 ms/min, oil concentration: 14.5%, oil preparation oil applying rate: 0.92%.
Described PA66 undrawn yarn, fiber number is 250dtex;Ultimate strength is 430cN, strongly CV < 8%, and elongation at break is 340%, elongation at break CV < 8%;Heat-tolerant index (240 DEG C, 4 minutes): ultimate strength is 380cN, and extension at break is 260%.
Step 2, rove
Rove combed long staple cotton, buys from market;
Described combed long staple cotton, cotton quality: 137A;Cotton sliver fiber upper half mean length 33-35mm, the short fibre of below 16.5mm Dimension is less than 6.5%, mic value A level (3.7-4.2);
Described combed long staple cotton, quantitative 3.55g/ rice, twist factor 110.
Step 3, spinning frame are transformed
With embodiment 1, only change arranged below:
Described tensioner, controls with tension piece natural pressure, weight 4.2g;
Described front leather roller, hardness 84.
Step 4, the feeding of PA66 undrawn yarn
PA66UDY is wound on silk cylinder, is hung over by silk cylinder on hanging wire frame, and filament winding crosses lever jack---seal wire hook---, and tension force fills Put---godet roller----entrance front leather roller,
During feeding, the tensioned device of tension force of silk controls, tension force 4.2g;Silk front end is between front roller and front leather roller, logical The rotation crossing front roller pulls silk continuously output Tong Bu with combed long staple cotton.
Step 5, spun yarn
Combed long staple cotton, the front leather roller at spinning frame is in PA66 undrawn yarn and converges, yarn roller centre-to-centre spacing proparea 20mm, sieve Draw centre-to-centre spacing back zone 40mm, back zone drafting multiple 1.45 times, front roller speed 165 revs/min;Roving twist factor 110;Bao Mianchong Amount percentage ratio 31%, is uniformly coated with, occurs without naked silk;Godet roller adjusts in fixed position, it is ensured that in combing when front leather roller exports The centre of long-staple cotton, front roller pulls the output of silk and combed long staple cotton simultaneously, and during twisting, cotton fiber wraps uniformly It is rolled in the outer layer of silk;
Simultaneously, ramie yarn twist is 800 twists/m, and rings model is 4254 Plane Ring, and wire loop is 772 types 1-4 in cladding twisting Number.
Step 6, sizing
Vacuum and steam is shaped, vapor (steam) temperature 105 degree.
Step 7, automatic winding
Molding balance pressure 0.44MPa;
Tension force: cylinder yarn length less than 20% tension parameters 11.3, length 20-90% tension parameters 15, length 90-100% tension force is joined Number 18.2(length refer to that each yarn is a circulation from starting to spin full cylinder, and each circulation sets according to weight or length Fixed);
Splicer model is this pellet 690 beautiful;Sth. made by twisting lumen type number is 51w2.
Step 8, packaging
Packed in cases, determines weight 20 kilograms, cylinder yarn outsourcing sealed plastic bag, built-in 8 ± 2g anti-blushing agent one bag.
The production technology of 4 one kinds of RING SPINNING thick denier elastic weft yarns of embodiment
Step one, the preparation of PA66 undrawn yarn
Preparation method, with embodiment 1, only changes following steps:
(5) spinning, cooling molding
Assembly preheating temperature: 330 DEG C, dosing pump specification: 2.4ml/r × 2, dosing pump rotating speed: 23.5 revs/min, cross air blasting wind Speed 1.5 meter per seconds, cross air blasting pathogenic wind-warm: 28 DEG C, rheumatism 75%.
(6) winding
Strand enters up-coiler, upper draw-off godet frequency: 73HZ, lower seal wire through cross air blasting cooling molding by interlayer heat pipe path Dish frequency: 72HZ, friction roller frequency: 72HZ, reciprocal frequency of transverse moving: 64HZ, winding speed: 1015 ms/min, oil concentration: 15%, oil preparation oil applying rate: 0.95%.
Described PA66 undrawn yarn, fiber number is 240dtex;Ultimate strength is 410cN, strongly CV < 8%, and elongation at break is 315%, elongation at break CV < 8%;Heat-tolerant index (240 DEG C, 4 minutes): ultimate strength is 350cN, and extension at break is 230%.
Step 2, rove
Rove combed long staple cotton, buys from market;
Described combed long staple cotton, cotton quality: 137A;Cotton sliver fiber upper half mean length 33-35mm, the short fibre of below 16.5mm Dimension is less than 6.5%, mic value A level (3.7-4.2);
Described combed long staple cotton, quantitative 3.65g/ rice, twist factor 115.
Step 3, spinning frame are transformed
With embodiment 1, only change arranged below:
Described tensioner, controls with tension piece natural pressure, weight 5g;
Described front leather roller, hardness 86.
Step 4, the feeding of PA66 undrawn yarn
PA66UDY is wound on silk cylinder, is hung over by silk cylinder on hanging wire frame, and filament winding crosses lever jack---seal wire hook---, and tension force fills Put---godet roller----entrance front leather roller,
During feeding, the tensioned device of tension force of silk controls, tension force 5g;Silk front end, between front roller and front leather roller, is passed through The rotation of front roller pulls silk continuously output Tong Bu with combed long staple cotton.
Step 5, spun yarn
Combed long staple cotton, the front leather roller at spinning frame is in PA66 undrawn yarn and converges, yarn roller centre-to-centre spacing proparea 20mm, sieve Draw centre-to-centre spacing back zone 40mm, back zone drafting multiple 1.5 times, front roller speed 170 revs/min;Roving twist factor 115;Bao Mianchong Amount percentage ratio 33%, is uniformly coated with, occurs without naked silk;Godet roller adjusts in fixed position, it is ensured that in combing when front leather roller exports The centre of long-staple cotton, front roller pulls the output of silk and combed long staple cotton simultaneously, and during twisting, cotton fiber wraps uniformly It is rolled in the outer layer of silk;
Simultaneously, ramie yarn twist is 850 twists/m, and rings model is 4254 Plane Ring, and wire loop is 772 types 1-4 in cladding twisting Number.
Step 6, sizing
Vacuum and steam is shaped, vapor (steam) temperature 110 degree.
Step 7, automatic winding
Molding balance pressure 0.5MPa;
Tension force: cylinder yarn length less than 20% tension parameters 12, length 20-90% tension parameters 16, length 90-100% tension parameters 19(length refers to that each yarn is a circulation from starting to spin full cylinder, and each circulation sets according to weight or length);
Splicer model is this pellet 690 beautiful;Sth. made by twisting lumen type number is 51w2.
Step 8, packaging
Packed in cases, determines weight 20 kilograms, cylinder yarn outsourcing sealed plastic bag, built-in 8 ± 2g anti-blushing agent one bag.
Elastic force weft yarn prepared by embodiment of the present invention 1-4, performance indications are shown in Table 2.
The performance indications of elastic force weft yarn prepared by table 2 present invention
Elastic force weft yarn prepared by the present invention, fiber number is that 18 ± 2 English prop up, single thread ultimate strength: 350 ± 50cN, strongly CV:< 8%; Elongation at break is 290 ± 50%, percentage elongation CV:< 8%;Thermostability: after placing 4 minutes under the conditions of 240 ° of C, single thread fracture is strong Power 300 ± 50cN, elongation at break 200 ± 50%.
Elastic force weft yarn prepared by the present invention, when being used for weaving radial-ply tyre cord fabric, the efficiency that uses that jet cloth is woven when making is high, Latitude stops few;100000 latitudes stop less than 5 times;Can fully keep fabric tissue stable, cord fabric immersing glue process disclosure satisfy that expanding requirement, Expanding keeps cloth web stabilization constantization after scope of design impregnation.
Except as otherwise noted, the percent employed in the present invention is percetage by weight, ratio of the present invention, all For mass ratio.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The skill of the industry The art personnel simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these Changes and improvements both fall within scope of the claimed invention.Claimed scope by appending claims and Its equivalent defines.

Claims (10)

1. a RING SPINNING thick denier elastic weft yarn, it is characterised in that: described elastic force weft yarn, fiber number is that 18 ± 2 English prop up.
A kind of RING SPINNING thick denier elastic weft yarn the most according to claim 1, it is characterised in that: described elastic force weft yarn, single thread Ultimate strength: 350 ± 50cN, elongation at break is 290 ± 50%.
A kind of RING SPINNING thick denier elastic weft yarn the most according to claim 1, it is characterised in that: described elastic force weft yarn, strongly CV < 8%, percentage elongation CV < 8%.
4. the production technology of a RING SPINNING thick denier elastic weft yarn, it is characterised in that: described production technology, non-stretched including PA66 The preparation of silk, rove, the feeding of PA66 undrawn yarn, spun yarn, automatic winding.
The production technology of a kind of RING SPINNING the most according to claim 4 thick denier elastic weft yarn, it is characterised in that: described PA66 Undrawn yarn, fiber number is 230 ± 20dtex.
The production technology of a kind of RING SPINNING the most according to claim 4 thick denier elastic weft yarn, it is characterised in that: described slightly Yarn, uses combed long staple cotton, cotton quality: 137A;Cotton sliver fiber upper half mean length 33-35mm, the short fibre of below 16.5mm Dimension is less than 6.5%, mic value A level;Quantitative 3.45 ± 0.2g/ rice, twist factor 105 ± 10.
The production technology of a kind of RING SPINNING the most according to claim 4 thick denier elastic weft yarn, it is characterised in that: described carefully Yarn, yarn roller centre-to-centre spacing proparea 20mm, ratch back zone 40mm, back zone drafting multiple 1.3-1.5 times, front roller speed 160 ± 10 revs/min.
The production technology of a kind of RING SPINNING the most according to claim 4 thick denier elastic weft yarn, it is characterised in that:
Described spun yarn, is uniformly coated with combed long staple cotton outside PA66 undrawn yarn, the cotton percentage by weight 30 ± 5% of bag, ramie yarn twist It it is 750 ± 100 twists/m.
The production technology of a kind of RING SPINNING the most according to claim 4 thick denier elastic weft yarn, it is characterised in that: described PA66 The feeding of undrawn yarn, the tension force 2-5g of silk.
The production technology of a kind of RING SPINNING the most according to claim 4 thick denier elastic weft yarn, it is characterised in that: described from Dynamic winder, molding balance pressure 0.38 ± 0.12MPa;
Tension force controls: cylinder yarn length less than 20% tension parameters 10-12, length 20-90% tension parameters 13-16, length 90- 100% tension parameters 16-19;
Described spun yarn spinning frame, including tensioner, godet roller, front leather roller;Described tensioner, uses tension piece natural pressure Control, weight 2-5g;Described godet roller, a diameter of 37mm;Described front leather roller, hardness 83 ± 3.
CN201610729343.0A 2016-08-26 2016-08-26 A kind of RING SPINNING thick denier elastic weft yarn and production technology thereof Pending CN106245177A (en)

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Application publication date: 20161221