CN102304797B - Preparation method for non-equal convergent-point high-elasticity composite yarn - Google Patents
Preparation method for non-equal convergent-point high-elasticity composite yarn Download PDFInfo
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Abstract
The invention relates to a preparation method for a non-equal convergent-point high-elasticity composite yarn and belongs to the technical field of weaving composite yarn spinning. The preparation method for the non-equal convergent-point high-elasticity composite yarn is characterized in that: a positioning tension disk for controlling the position and the tensile force of an elastic filament is arranged on the common ring spinning machine; a holding roller for feeding stretch yarn in an isostension mode and two strip positioner for controlling the position of short fiber strips are arranged on the common ring spinning machine; the two short fiber strips and the stretch yarn are fed in a three-axis mode and twisted and compounded at the non-equal convergent point to finally spin the high-elasticity composite yarn, of which the core layer is a high-elasticity yarn core having a double helix structure; and the outer layer is wrapped by the short fiber strips and contracted freely. By the method, the high-elasticity composite yarn with high elasticity and a stable structure can be obtained.
Description
Technical field
The present invention relates to a kind of non-preparation method who waits convergent-point high-elasticity composite yarn, belong to weaving composite yarn spinninging technical field.
Background technology
The staple fibres such as cotton, fiber crops, viscose glue, owing to having good moisture pick-up properties, are widely used in the field of taking, therefore the short fibre yarn Chang Zuowei such as cotton, numb takes yarn.But because the elasticity of this fibrid itself is less, limit its Application Areas, need to take certain method to improve the elasticity of the short fibre yarn such as cotton, fiber crops.Spandex thread, similarly also has Lycra elastic filament, the polyolefin-based elastomer of DOW XLA of Dow Chemical company etc. of Dupont, although have good elasticity, its elongation can reach 450-700%, and its wearability is poor.And the price of spandex thread itself is more expensive, cause the Application Areas of pure spandex filament also very narrow.Therefore conventional spandex filament and this class short fiber composite spinning improve the elasticity of staple fibre yarn, as spandex/bale of cotton twines or cladded yarn.
But to spandex/cotton wrapped yarn, spandex exposes damage or aberration in the textile dyeing and finishing processing neutralization practicality of Hui Hou road; To spandex/bale of cotton heart yarn, the structural instability of yarn, easily peel off.So, though this type of spinning can increase bullet and crease-resistant, not only there is aforementioned disadvantages, elasticity is on the low side, large deformation structural instability, applies restrictedly, and the elasticity of spandex also underuses, and is especially unsuitable for the application of medical, motion and moulding Orthopedic underwear.
At present about patent and the relevant paper of spandex composite yarn mostly are diaxon is or blending, utility model patent (the patent No.: 200520074190) cotton/spandex cellophone spinning elastic coated yarn of Wu Suiju, it is one looping cotton fiber outside spandex heart yarn, the people such as Zhang Haixia have delivered paper spandex/cotton rotor spun composite on the 32nd the 3rd phase of volume of Donghua University's journal, and the impact of spandex drafting multiple on yarn forming performance has been discussed.Its principle, mechanism is all different from the present invention with method.
About patent and the relevant paper of the spandex composite yarn of three components or three axles system also have report at present.
As the patent of Xue Yuan (patent No.: CN201010227230.3) spins three component spandex yarns of the outer short fiber of weight ratio 5%-30% internal layer core silk and 70%-95% on traditional spinning machine, be that two axles are core spinning in fact.
The spinning method of patent of invention (patent No.: CN200410066146.2) wool, long filament and the three-in-one stretch yarn of spandex of Chen Lifen etc.; Utility model patent (the patent No.: 200420054215.3) the three-in-one stretch yarn feeding unit of a kind of wool, long filament and spandex is the same expression of the mechanism of foregoing invention patented method of Chen Lifen.Its method is two long filament band wools, is the same method converging of putting.All different from the principle of the invention, mechanism and object.Similarly also having the clear patent of invention siro-spinning spandex core-spun yarn (patent No.: CN200710132406.5) of Chen Lan is the spinning of three axle systems, and center is spandex thread, is formed by two strands of yarn interval voluble wrappings in the outside of center spandex thread.But also for converging with putting.All different in principle, mechanism and technique from the non-high-elastic composite spinning of convergent point that waits of the present invention.
Cotton, fiber crops, hair are large class textile fabrics, comfortable, soft, conventional, but institute becomes the elasticity of yarn less, are easy to cause wrinkling, the paper sense of fabric and wear discomfort.Although adopt spandex to increase bullet, crease-resistant existing, when large deformation, fabric elasticity disappears and structure shakiness, medical, motion, household textiles and the requirement comfortable and functional form clothes and moulding and Orthopedic underwear of the high bouncing function that more cannot meet the demands.And the key that problems solves is the technology of preparing of the yarn of high elasticity percentage elongation.
Summary of the invention
The object of this invention is to provide a kind of non-preparation method who waits convergent-point high-elasticity composite yarn who is suitable for elastic filament, the method has solved the non-composite spinning that waits convergent point of high-tension silk, and method is simple and direct.
For achieving the above object, the technical solution used in the present invention is: a kind of non-preparation method who waits convergent-point high-elasticity composite yarn, it is characterized in that: adopt and on common ring spinning frame, increase a location tension pulley that is used for controlling elastic force long filament (elastic filament) position and tension force, increase a yarn locator that feeds the gripping rod of elastic filament and two and be used for respectively controlling short fiber yarn position in isostension mode; And it is compound with the twisting of three axles system feedings and the Rendezvous Point such as non-to implement two short fiber yarns and elastic filament with this, being finally spun into sandwich layer is double-stranded high-elastic yarn core; Outer for short fiber yarn is coated and the retractile high-elastic composite yarn of pitch.
This kind of non-preparation method who waits convergent-point high-elasticity composite yarn, concrete steps are:
1) spinning is prepared: on common ring spinning frame, increase by 12, one of a tension pulley in location and be close to the gripping rod 13 of front upper roller 41 (locate tension pulley 12 and grip rod 13 and form elastic filament feed mechanism); Increase the rear side that the first yarn locator 22 and the second yarn locator 32, the first yarn locators 22 and the second yarn locator 32 are positioned at front roller 4;
2) sliver feeding: the difference correspondence of the first short fiber yarn 21 after drawing-off and the second short fiber yarn 31 is located to the front roller nip 43 (this is diaxon) between feeding front upper roller 41 and front bottom roll 42 through the first yarn locator 22 and the second yarn locator 32; Elastic filament 11 through location tension pulley 12 determine tension force and nip roiler 13 is sent in location, and detour after 30 °～1230 ° coated angles, attach and shift on front upper roller 41 by this nip roiler gripping, and feed front roller nip 43 (this is an axle) with the rotation of front upper roller 41, form thus the synchronous feeding of three axles systems;
3) twisting resultant yarn: in the time that described the first short fiber yarn 21, the second short fiber yarn 31, elastic filament 11 are exported from front roller nip, because of the difference of spacing and tension force make the first short fiber yarn 21 first with elastic filament 11 the first convergent point before front roller 4 compound, form the double helix yarn section 7 of elastic filament 11 and the first short fiber yarn 21 composite high-stretch structures, and become the relatively outer yarn core that has larger elastic extension, the height of being faced with reply sandwich layer itself extends requirement, and this is also the not only high-elastic but also constitutionally stable basic reason of this composite yarn; Then, this double helix yarn section 7 again with the second short fiber yarn 31 that goes out front roller nip 43 the second convergent point be compounded to form the second short fiber yarn 31 be coated on outside the retractile high-elastic composite yarn 8 of its pitch, this is also the fiber that elastic elongation is less, as fiber crops, cotton, spun silk, viscose glue or terylene etc., main cause that can be high-elastic.
Step 2) described in the first short fiber yarn 21 and the second short fiber yarn 31 be nature spinning, drawing tension force; The tension force of elastic filament 11 is 1-15cN (preferably 2-12cN).The first described short fiber yarn 21 is 1-15mm (preferably 2-10mm) with the spacing of elastic filament 11, and the second short fiber yarn 31 is 2-30mm (preferably 4-20mm) with the spacing of elastic filament 11.
Step 2) described in the position, left and right of location tension pulley 12 adjustable, for the feeding location of elastic filament 11; The front and back upper-lower position of location tension pulley 12 is adjustable, for changing the control of the angle of contact of elastic filament 11 to elastic filament 11, to increase the control of tension pulley 12 to elastic filament 11.The rotary damping of described location tension pulley 12 is adjustable and combine with described angle of contact, determines the feeding tension force of elastic filament 11.
Described nip roiler 13 contacts are positioned at the top of front upper roller 41, and are driven by front upper roller 41, grip the tension stability that keeps location tension pulley 12 to give for the isostension of elastic filament 11; This effect is to drive institute to realize at angle of contact and the nip roiler 13 of nip roiler 13 by the contact constant speed of the front upper roller 41 of front roller by elastic filament 11.It [can be the direct wrap angle that is less than a circle that the wrap angle of described elastic filament 11 on described nip roiler 13 is 30 °～1230 °, it is preferentially 60 °～150 °, or add on this basis around 1～3 circle, be preferentially 30 °～150 °+(1～3) × 360 °].
The first yarn locator 22 and the second yarn locator 32 move left and right respectively determines the feeding position of the first short fiber yarn 21, the second short fiber yarn 31 and the distance between axles with elastic filament 11.Described distance between axles coordinates with tension force and the spinning twist of elastic filament 11, determines the position of described the first and second convergent points and twists compound precedence.
What three described axle systems fed is arranged with two kinds of forms: one is that the first short fiber yarn 21 and the second short fiber yarn 31 are positioned at elastic filament 11 the same sides, and the first short fiber yarn 21 forming and the homonymy of the second short fiber yarn 31 are arranged; Another is by location tension pulley 12 mesial migrations and the first short fiber yarn 21 right shifts, and the first short fiber yarn 21 forming and the second short fiber yarn 31 are positioned at the bilateral of elastic filament 11 both sides and arrange.Described homonymy is arranged increasing bullet effect relatively and relatively will be got well; It is relatively better that described bilateral is arranged the Stability Analysis of Structures effect of high-elastic composite yarn 8.
The elastic extension of described high-elastic composite yarn can pass through the tension force to described elastic filament 11, distance between axles or relative position with the first short fiber yarn 21 and the second short fiber yarn 31, and the composite quality of first short fiber yarn 21 and the second short fiber yarn 31 and elastic filament 11 than in the adjustment of at least one, determine the elastic extension of this high-elastic composite yarn 8; Described composite quality, than for 10-80: 10-80: 10-60, is preferably 20-60: 20-60: 10-40.
Described non-wait Rendezvous Point stablize the first short fiber yarn 21 in composite spinning preparation method and the second short fiber yarn 31 be by weaving commonly use rove bar that staple fibre makes via the first horn mouth 23 of ring spinning frame rear side, the second horn mouth 33, at certain intervals with position feed rear roller 6, the more parallel short fiber yarn stretching that 4 drawing-offs obtain with front roller through apron roller 5.Described interval and position are interval and the position of the first horn mouth 23 and the second horn mouth 33; The first described horn mouth 23 and the second horn mouth 33 are all positioned at the rear side of rear roller 6; Described interval and position should be consistent with the distance between axles of described staple fibre yarn, to ensure being arranged in parallel and stretching of drawing-off effect and fiber.
Described elastic filament refers to spandex filament, Lycra
long filament, polyolefin-based elastic yarn (DOW
elastomer) etc. there is the long filament of spring function.
The described a kind of non-preparation method who waits convergent-point high-elasticity composite yarn is suitable for increasing bullet and the high-elastic composite spinning of the fibers such as weaving natural fabric and the less fiber crops of chemical fibre, especially elastic elongation, cotton, spun silk, viscose glue, terylene.
The elastic extension of the high-elastic composite yarn of being made up of the method can improve 30-110% on the basis of former staple fibre itself, can be used for high-grade comfortable type clothes, comfort type and functional form sportswear, textiles medical and for health care, and household textiles, the use yarn of the textiles of especially high-elastic functional requirement, as the body shaping underwear of close-fitting sports garment, Medical bandage and sheath and comfortable functional and Orthopedic underwear.
Beneficial effect of the present invention is: 1. only on common fine spining machine, increase an active tension dish, grip rod and two locators and just solved the composite spinning of the convergent point such as non-of high-tension silk, method is simple and direct, mechanism is practical; 2. the relative position during by adjustment two short fiber yarns and the three axles output of elastic force tow and the tension force of elastic filament, can effectively obtain the large deformation of high-elastic double-helical heart yarn with reply yarn core layer, make the absolute elastic extension of this high-elastic composite yarn apparently higher than common stretch composite yarn and symmetrical high-elastic composite yarn; The method can obtain has high elasticity and constitutionally stable high-elastic composite yarn.3. due to the double-decker of this yarn, the outer main rotation by fiber, internal layer extend by double-helix spring formula, there is again the obvolvent between looping and resiliency and the staple fibre of elastic filament, even if the large fiber of low elongation rigidity, also can obtain constitutionally stable high elasticity composite spinning, therefore the adaptability of fiber is strengthened, can select weaving short fiber arbitrarily to increase bullet and high-elasticization, and elasticity is improved significantly; 4. the high-elastic composite yarn making with the present invention can be used for high-grade comfortable type clothes, comfort type and functional form sportswear, textiles medical and for health care, and household textiles, the textiles of especially high-elastic functional requirement use yarn.
Brief description of the drawings
Fig. 1 is the non-preparation principle figure that waits convergent-point high-elasticity composite yarn of the present invention;
Fig. 2 is the non-preparation side-looking schematic diagram that waits convergent-point high-elasticity composite yarn of the present invention;
Fig. 3 is the non-structural representation that waits convergent-point high-elasticity composite yarn of the present invention;
In figure:
Elastic filament feed mechanism, it comprises 12-location tension pulley; 13-grips rod; Relate to 11-elastic filament;
The first short fiber feed mechanism, it comprises 22-the first yarn locator; 23-the first horn mouth; Relate to 21-the first short fiber yarn;
The second short fiber feed mechanism, it comprises 32-the second yarn locator; 33-the second horn mouth; Relate to 31-the second short fiber yarn;
4-front roller, it comprises 41-front upper roller; Bottom roll before 42-; 43-front roller nip;
5-apron roller;
6-rear roller;
7-double helix yarn section, wherein 7U, 7S-are respectively the double helix heart yarn after not stretching and stretching;
The high-elastic composite yarn of 8-, wherein 8U, the 8S-high-elastic composite yarn after being respectively and not stretching and stretch;
In Fig. 1, solid line part is the homonymy arrangement composite spinning signal of two short fiber yarns; Dotted portion is that the bilateral of two short fiber yarns is arranged composite spinning signal.
Detailed description of the invention
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
A kind of non-preparation method who waits convergent-point high-elasticity composite yarn, adopt and on common ring spinning frame, increase a location tension pulley that is used for controlling elastic force long filament (elastic filament) position and tension force, increase a yarn locator that feeds the gripping rod of elastic filament and two and be used for respectively controlling short fiber yarn position in isostension mode; And it is compound with the twisting of three axles system feedings and the Rendezvous Point such as non-to implement two short fiber yarns and elastic filament with this, being finally spun into sandwich layer is double-stranded high-elastic yarn core; Outer for short fiber yarn is coated and the retractile high-elastic composite yarn 8 of pitch, as shown in Figure 1, Figure 2, Figure 3 shows.
This kind of non-preparation method who waits convergent-point high-elasticity composite yarn, concrete steps are:
1) spinning is prepared: on common ring spinning frame, increase by 12, one of a tension pulley in location and be close to the gripping rod 13 of front upper roller 41 (locate tension pulley 12 and grip rod 13 and form elastic filament feed mechanism); Increase the rear side that the first yarn locator 22 and the second yarn locator 32, the first yarn locators 22 and the second yarn locator 32 are positioned at front roller 4;
2) sliver feeding: get two, rove cylinders same or different fibers, rove bar feeds rear rollers 6 with position by the horn mouth 23 and 33 of described ring spinning frame at certain intervals, form two bundles through apron roller 5 and stretch parallel staple fibre yarn after front roller 4 drawing-offs, this is diaxon.The difference correspondence of the first short fiber yarn 21 after drawing-off and the second short fiber yarn 31 is located to the front roller nip 43. between feeding front upper roller 41 and front bottom roll 42 through the first yarn locator 22 and the second yarn locator 32
Get an elastic filament cylinder, elastic filament 11 through location tension pulley 12 determine tension force and nip roiler 13 is sent in location, and detour after 30 °～1230 ° coated angles, attach and shift on front upper roller 41 by this nip roiler gripping, and feeding front roller nip 43 with the rotation of front upper roller 41, this is an axle; Form thus the synchronous feeding of three axle systems;
3) twisting resultant yarn: in the time that described the first short fiber yarn 21, the second short fiber yarn 31, elastic filament 11 are exported from front roller nip, because of the difference of spacing and tension force make the first short fiber yarn 21 first with elastic filament 11 the first convergent point before front roller 4 compound, form the double helix yarn section 7 of elastic filament 11 and the first short fiber yarn 21 composite high-stretch structures, and become the relatively outer yarn core that has larger elastic extension, the height of being faced with reply sandwich layer itself extends requirement, and this is also the not only high-elastic but also constitutionally stable basic reason of this composite yarn; Then, this double helix yarn section 7 again with the second short fiber yarn 31 that goes out front roller nip 43 the second convergent point be compounded to form the second short fiber yarn 31 be coated on outside the retractile high-elastic composite yarn 8 of its pitch, this is also the fiber that elastic elongation is less, as fiber crops, cotton, spun silk, viscose glue or terylene etc., main cause that can be high-elastic.
By selecting fiber used and compositely proportional thereof, the elastic filament of selecting, rove bar, composite quality ratio; By changing composite spinning technological parameter, be the tension force of elastic filament, the angle of contact of elastic filament to nip roiler (angle of contact=around angle+add pitch of the laps number × 360 °), two bundle staple fibre yarns respectively with the distance between axles of elastic filament, the spinning twist, carry out by the non-composite spinning that waits convergent-point high-elasticity composite yarn of the present invention, and be spun into constitutionally stable high-elastic composite yarn, concrete technology parameter refers to embodiment 1～8.
The elastic extension of the high-elastic composite yarn 8 of gained determines to extend at several times the rear acquisition of calculating that stretches repeatedly, and calculating formula is: elastic extension=(L-L
0)/L
0=Δ L/L
0, wherein, L
0for former length; L is tensile elongation; Δ L is absolute elongation value, in detail as shown in Figure 3.Elastic extension refers to that material can elongate and can be returned to the percentage elongation of original position.Measured value refers to embodiment 1～8.
Embodiment 1: the non-convergent point high-tension composite yarn that waits of spinning cotton+spandex filament
Choose the convergent point composite spinning such as non-that two cotton rove bars and spandex filament carry out three axle systems; Three axle raw materials: the composite quality ratio of cotton/cotton/spandex thread is 40/40/20, adopts above-mentioned compound spinning method, spandex thread is with 8cN tension force, and being 120 °+0 ° with the angle of contact that grips rod, to add pitch of the laps number be zero, from an axle feeding; The cotton short fiber yarn of two bundles respectively from other diaxon, with the distance between axles 8mm of spandex thread and 4mm feeding; The twist of spinning is 120 sth. made by twisting/10cm; Go out the spandex thread of front roller nip and be first compounded to form double-stranded yarn section at A point with a cotton short fiber yarn wherein, then it is compound at B point that this yarn Duan Zaiyu goes out another cotton short fiber yarn of front roller nip, AB section is 3.5mm, form the outer field high-elastic composite yarn of cotton fiber helical coated at spandex/cotton double-spiral structure heart yarn, this high-elastic composite yarn is in the time that elastic extension is 100%, repeated action 100 times, yarn profile is intact; Comfortableness and outward appearance are as cotton.Illustrate that the high-elastic composite yarn obtaining has high elasticity and Stability Analysis of Structures.
Embodiment 2: the non-convergent point high-tension composite yarn that waits of spinning spun silk+Lycra synthetic fibre
Choose the convergent point composite spinning such as non-that two spun silk rove bars and Lycra long filament carry out three axle systems; Three axle raw materials: the composite quality ratio of spun silk short fiber/spun silk short fiber/spandex thread is 35/35/30, adopts above-mentioned compound spinning method, Lycra silk is with 8cN tension force, and being 100 °+0 ° with the angle of contact that grips rod, to add pitch of the laps number be zero, from an axle feeding; Spun silk short fiber yarn with the natural tension force of spinning, drawing from other diaxon, with distance between axles 8mm and the 4mm feeding of Lycra silk; The twist of spinning is 120 sth. made by twisting/10cm, go out the Lycra silk of front roller nip and be first compounded to form double-stranded yarn section at A point with a spun silk short fiber yarn wherein, then it is compound at B point that this yarn Duan Zaiyu goes out another spun silk short fiber yarn of front roller nip, AB section is 3.5mm, form the outer field high-elastic composite yarn of silk flock helical coated at Lycra/spun silk double-spiral structure heart yarn, this high-elastic composite yarn in the time that elastic extension is 90%, repeated action 100 times, yarn profile is intact; Comfortableness and outward appearance are as silk.Illustrate that the high-elastic composite yarn obtaining has high elasticity and Stability Analysis of Structures.
Embodiment 3: the non-convergent point high-tension composite yarn that waits of spinning cotton ramie blended spinning+spandex filament
Choose the convergent point composite spinning such as non-that two cotton ramie blended spinning rove bars and spandex filament carry out three axle systems; Three axle raw materials: the composite quality ratio of cotton ramie blended spinning/cotton ramie blended spinning/spandex thread is 50/30/20, adopts above-mentioned compound spinning method, spandex thread is with 15cN tension force, with nip roiler angle of contact be 80 °+360 ° (80 ° and add around 1 circle), from an axle feeding; Two bundle cotton ramie blended spinning short fiber yarns respectively from other diaxon, with distance between axles 10mm and the 6mm feeding of spandex thread; The twist of spinning is 150 sth. made by twisting/10cm; Go out the spandex thread of front roller nip and be first compounded to form double-stranded yarn section at A point with a cotton ramie blended spinning short fiber yarn wherein, then it is compound at B point that this yarn Duan Zaiyu goes out another cotton ramie blended spinning short fiber yarn of front roller nip, AB section is 2.5mm, form the outer field high-elastic composite yarn of cotton ramie blended spinning fiber helical coated at spandex/cotton ramie blended spinning double-spiral structure heart yarn, this high-elastic composite yarn is in the time that elastic extension is 108%, repeated action 100 times, yarn profile is intact; Comfortableness and outward appearance are as ramie cotton yarn.Illustrate that the high-elastic composite yarn obtaining has high elasticity and Stability Analysis of Structures.
Embodiment 4: the non-convergent point high-tension composite yarn that waits of spinning ramie+DOW XLA silk
Choose two ramie rove bars and the DOW XLA silk raw material as composite spinning, three axle raw materials: the composite quality ratio of ramie/ramie/DOWXLA silk is 35/35/30, utilize composite spinning technique spinning of the present invention.DOW XLA silk is with certain tension force 5cN, with nip roiler angle of contact be 150 °+360 ° (110 ° and add around 1 circle), feed from central shaft; The fine yarns of two bundle ramies respectively from the diaxon of bilateral, with distance between axles 6mm and the 4mm feeding of DOW XLA long filament; The twist of spinning is 110 sth. made by twisting/10cm; Go out the DOW XLA silk of front roller nip and be first compounded to form double-stranded yarn section at A point with a ramie yarn wherein, then it is compound at B point that this yarn Duan Zaiyu goes out another wool yarn of front roller nip, AB section is 1.5mm, form the outer field high-elastic composite yarn of ramee helical coated at DOW XLA/ ramie double-spiral structure heart yarn, this high-elastic composite yarn is in the time that elastic extension is 70%, repeated action 400 times, yarn profile is intact; Comfortableness is as ramie.Illustrate that the high-elastic composite yarn obtaining has high elasticity and Stability Analysis of Structures.
Embodiment 5: the non-convergent point high-tension composite yarn that waits of spinning wool+DOW XLA silk
Choose the convergent point composite spinning such as non-that two wool slubbing bars and DOW XLA long filament carry out three axle systems; Three axle raw materials: the composite quality ratio of wool/wool/DOW XLA silk is 38/38/24, adopts above-mentioned compound spinning method, DOW XLA silk is with 6cN tension force, and being 110 °+0 ° with nip roiler angle of contact, to add pitch of the laps number be zero, from an axle feeding; Two bundle wool short fiber yarns respectively from other diaxon, with distance between axles 10mm and the 6mm feeding of DOW XLA silk; The twist of spinning is 120 sth. made by twisting/10cm; Go out the DOW XLA silk of front roller nip and be first compounded to form double-stranded yarn section at A point with a wool short fiber yarn wherein, then it is compound at B point that this yarn Duan Zaiyu goes out another wool short fiber yarn of front roller nip, AB section is 4.5mm, form the outer field high-elastic composite yarn of wool fibre helical coated at DOW XLA silk/wool short fiber double-spiral structure heart yarn, this high-elastic composite yarn is in the time that elastic extension is 110%, repeated action 100 times, yarn profile is intact; Comfortableness and outward appearance are as wool.Illustrate that the high-elastic composite yarn obtaining has high elasticity and Stability Analysis of Structures.
Embodiment 6: the non-convergent point high-tension composite yarn that waits of spinning wool+Lycra silk
Choose the convergent point composite spinning such as non-that a WORSTED rove bar, spinning terylene short fiber rove bar and Lycra long filament carry out three axle systems; Three axle raw materials: the composite quality ratio of wool/terylene short fiber/Lycra silk is 50/25/25, adopts above-mentioned compound spinning method, Lycra silk is with 12cN tension force, with nip roiler angle of contact be 60 ° ++ 1080 ° (110 ° and add around 3 circles), feed from center; Wool yarn is the diaxon from bilateral with the natural tension force of spinning, drawing, and to be respectively 8mm and 12mm feeding with Lycra long filament spacing, the twist of spinning is 90 sth. made by twisting/10cm; Go out the Lycra silk of front roller nip and be first compounded to form double-stranded yarn section at A point with a terylene short fiber yarn wherein, then it is compound at B point that this yarn Duan Zaiyu goes out another wool yarn of front roller nip, AB section is 2.5mm, form the outer field high-elastic composite yarn of wool fibre helical coated at Lycra/terylene short fiber double-spiral structure heart yarn, this high-elastic composite yarn is in the time that elastic extension is 80%, repeated action 400 times, yarn profile is intact; Comfortableness and outward appearance are all as wool.Illustrate that the high-elastic composite yarn obtaining has high elasticity and Stability Analysis of Structures.
Embodiment 7: the convergent point high-tension composite yarns such as spinning terylene, Modal+ Lycra silk is non-
Choose a terylene coarse sliver, Modal rove bar and the Lycra silk raw material as composite spinning, three axle raw materials: the composite quality ratio of terylene/Modal/ Lycra silk is 40/40/20, utilize composite spinning technique spinning of the present invention.Lycra silk is with certain tension force 10cN, and being 120 ° with nip roiler angle of contact is zero with adding pitch of the laps number, from an axle feeding; Terylene yarn and Modal yarn with the natural tension force of spinning, drawing from other diaxon with spacing 4mm and the 12mm feeding respectively of Lycra silk, the twist of spinning is 100 sth. made by twisting/10cm; Go out the Lycra silk of front roller nip and be first compounded to form double-stranded yarn section at A point with terylene yarn wherein, then it is compound at B point that this yarn Duan Zaiyu goes out the Modal yarn of front roller nip, AB section is 6.5mm, form the outer field high-elastic composite yarn of Modal fiber helical coated at Lycra silk/terylene double-spiral structure heart yarn, this high-elastic composite yarn is in the time that elastic extension is 90%, repeated action 100 times, yarn profile is intact; Comfortableness is as regenerated celulose fibre.Illustrate that the high-elastic composite yarn obtaining has high elasticity and Stability Analysis of Structures.
Embodiment 8: the convergent point high-tension composite yarns such as spinning viscose glue, terylene+spandex thread is non-
Choose a viscose glue rove bar, terylene coarse sliver and spandex thread raw material as composite spinning, three axle raw materials: the composite quality ratio of short rayon fiber/terylene short fiber/spandex thread is 40/40/20, utilize composite spinning technique spinning of the present invention.Spandex thread is with certain tension force 10cN, and being 120 ° with nip roiler angle of contact is zero with adding pitch of the laps number, from an axle feeding; Short rayon fiber yarn and terylene short fiber yarn with the natural tension force of spinning, drawing from other diaxon, with spacing 4mm and the 12mm feeding respectively of spandex thread, the twist of spinning is 100 sth. made by twisting/10cm; Go out the spandex thread of front roller nip and be first compounded to form double-stranded yarn section at A point with terylene short fiber yarn wherein, then it is compound at B point that this yarn Duan Zaiyu goes out the short rayon fiber yarn of front roller nip, AB section is 5mm, form the outer field high-elastic composite yarn of viscose staple fibre helical coated at spandex thread/terylene short fiber double-spiral structure heart yarn, this high-elastic composite yarn is in the time that elastic extension is 90%, repeated action 100 times, yarn profile is intact; Comfortableness is as regenerated celulose fibre.Illustrate that the high-elastic composite yarn obtaining has high elasticity and Stability Analysis of Structures.
Claims (9)
1. a non-preparation method who waits convergent-point high-elasticity composite yarn, it is characterized in that: adopt and on common ring spinning frame, increase a location tension pulley that is used for controlling elastic force filaments in position and tension force, increase a yarn locator that feeds the nip roiler of elastic filament and two and be used for respectively controlling short fiber yarn position in isostension mode; And implement two short fiber yarns and elastic filament with three axles system feedings and non-ly wait the twisting of convergent point compound with this, be finally spun into sandwich layer and be double-stranded high-elastic yarn core, be outerly coated and the retractile high-elastic composite yarn of pitch for short fiber yarn;
Concrete steps are:
1) spinning is prepared: on common ring spinning frame, increase a location tension pulley (12), be close to the nip roiler (13) of front upper roller (41) for one; Increase the first yarn locator (22) and the second yarn locator (32), the first yarn locator (22) and the second yarn locator (32) are positioned at the rear side of front roller (4);
2) sliver feeding: the front roller nip (43) by the difference correspondence of the first short fiber yarn (21) after drawing-off and the second short fiber yarn (31) between the first yarn locator (22) and the second yarn locator (32) location feeding front upper roller (41) and front bottom roll (42); Elastic filament (11) through location tension pulley (12) determine tension force and nip roiler (13) is sent in location, and detour after 30 °～1230 ° coated angles, attach and shift on front upper roller (41) by this nip roiler gripping, and feed front roller nip (43) with the rotation of front upper roller (41), form thus the synchronous feeding of three axles systems;
3) twisting resultant yarn: in the time that the first described short fiber yarn (21), the second short fiber yarn (31), elastic filament (11) are exported from front roller nip, the first short fiber yarn (21) is first compound at the first front convergent point of front roller (4) with elastic filament (11), forms elastic filament (11) the double helix yarn section (7) compound with the first short fiber yarn (21); Then, this double helix yarn section (7) is compounded to form the high-elastic composite yarn (8) of the second short fiber yarn (31) outside being coated on the second short fiber yarn (31) that goes out front roller nip (43) at the second convergent point again.
2. a kind of non-preparation method who waits convergent-point high-elasticity composite yarn according to claim 1, is characterized in that: the first described short fiber yarn (21) and the second short fiber yarn (31) are nature spinning, drawing tension force; The tension force of elastic filament (11) is 1-15cN.
3. a kind of non-preparation method who waits convergent-point high-elasticity composite yarn according to claim 1, it is characterized in that: the first described short fiber yarn (21) is 1-15mm with the spacing of elastic filament (11), the second short fiber yarn (31) is 2-30mm with the spacing of elastic filament (11).
4. a kind of non-preparation method who waits convergent-point high-elasticity composite yarn according to claim 1, is characterized in that: the position, left and right of described location tension pulley (12) is adjustable, for the feeding location of elastic filament (11); The front and back upper-lower position of location tension pulley (12) is adjustable, for changing the control of the angle of contact of elastic filament (11) to elastic filament (11), to increase the control of tension pulley (12) to elastic filament (11).
5. a kind of non-preparation method who waits convergent-point high-elasticity composite yarn according to claim 1, it is characterized in that: described nip roiler (13) contact is positioned at the top of front upper roller (41), and driven by front upper roller (41), grip for the isostension of elastic filament (11).
6. a kind of non-preparation method who waits convergent-point high-elasticity composite yarn according to claim 1, is characterized in that: the first yarn locator (22) and the second yarn locator (32) move left and right respectively determines the feeding position of the first short fiber yarn (21), the second short fiber yarn (31) and the distance between axles with elastic filament (11).
7. a kind of non-preparation method who waits convergent-point high-elasticity composite yarn according to claim 1, it is characterized in that the two kinds of forms that are arranged with of described three axle systems feeding: one is that the first short fiber yarn (21) and the second short fiber yarn (31) are positioned at elastic filament (11) the same side, and the first short fiber yarn (21) forming and the homonymy of the second short fiber yarn (31) are arranged; Another is by location tension pulley (12) mesial migration and the first short fiber yarn (21) right shift, and the first short fiber yarn (21) forming and the second short fiber yarn (31) are positioned at the bilateral of elastic filament (11) both sides and arrange.
8. a kind of non-preparation method who waits convergent-point high-elasticity composite yarn according to claim 1, it is characterized in that: the elastic extension of described high-elastic composite yarn can pass through the tension force to described elastic filament (11), distance between axles or relative position with the first short fiber yarn (21) and the second short fiber yarn (31), and the composite quality of first short fiber yarn (21) and the second short fiber yarn (31) and elastic filament (11) than in the adjustment of at least one, determine the elastic extension of this high-elastic composite yarn (8); Described composite quality is than being 10-80: 10-80: 10-60.
9. a kind of non-preparation method who waits convergent-point high-elasticity composite yarn according to claim 1, is characterized in that: described elastic filament refers to spandex filament or polyolefin-based elastic yarn.
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| CN102677248B (en) * | 2012-05-23 | 2014-05-21 | 武汉纺织大学 | Forced internal and external transfer type composite ring spinning method for filament |
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| CN102787403B (en) * | 2012-07-22 | 2014-10-15 | 东华大学 | Double-shafting fiber interactive equal feeding composite spinning device and technology |
| CN104120528A (en) * | 2014-07-24 | 2014-10-29 | 太仓天龙化纤有限公司 | Spiral stretch yarn |
| CN104195695A (en) * | 2014-09-21 | 2014-12-10 | 江苏丹毛纺织股份有限公司 | Manufacturing method for spinning Kuremona filaments with elastic yarns |
| CN105970392A (en) * | 2016-07-26 | 2016-09-28 | 福建合德轻工有限公司 | Fancy yarn production technology |
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| CN113062022A (en) * | 2021-03-17 | 2021-07-02 | 绍兴市柯桥区东纺纺织产业创新研究院 | Production method of high-elastic yarn |
| CN113832582A (en) * | 2021-08-26 | 2021-12-24 | 江阴市茂达棉纺厂有限公司 | Composite yarn and preparation and coloring method thereof |
| CN114053041B (en) * | 2021-11-17 | 2022-06-17 | 泉州禾伦织造有限公司 | Copper fiber absorbing article |
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