CN102304797A - 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 the high-elastic composite yarn of convergent point, belong to weaving composite yarn spinninging technical field.
Background technology
Staple fibres such as cotton, fiber crops, viscose glue are widely used in the field of taking, so short fibre yarn Chang Zuowei such as cotton, fiber crops take yarn owing to have moisture pick-up properties preferably.But because the elasticity of this fibrid itself is less, limit its Application Areas, need take certain method to improve the elasticity of short fibre yarns such as cotton, fiber crops.The spandex silk similarly also has the Lycra elastic filament of Dupont, the polyolefin-based elastomer of DOW XLA of Dow Chemical company etc., though have elasticity preferably, its elongation can reach 450-700%, and its wearability is relatively poor.And the price of spandex silk itself is more expensive, causes the Application Areas of pure spandex filament also very narrow.Spandex filament therefore commonly used and this type short fiber composite spinning improve the elasticity of staple fibre yarn, twine or cladded yarn like spandex/bale of cotton.
But to spandex/cotton wrapped yarn, spandex exposes and can in the textile dyeing and finishing processing neutralization practicality of road, back, damage or aberration; To spandex/bale of cotton heart yarn, the structural instability of yarn, be prone to peel off.So, though this type of spinning can increase bullet and crease-resistant, aforementioned disadvantages being arranged not only, elasticity is on the low side, the large deformation structural instability, and limited use system, and the elasticity of spandex also underuses especially is inappropriate for the application of medical, motion and moulding orthopedic underwear.
Mostly patent about spandex composite yarn is that diaxon is or blending with relevant paper at present; (patent No.: 200520074190) cotton/spandex match network spins the elasticity cladded yarn to the utility model patent of Wu Suiju; Be a kind of outside the spandex heart yarn looping cotton fiber; People such as Zhang Haixia have delivered paper spandex/cotton rotor spun composite at Donghua University's journal on the 32nd the 3rd phase of volume, the spandex drafting multiple have been discussed to the resultant yarn Effect on Performance.Its principle, mechanism is all different with the present invention with method.
About the patent of the spandex composite yarn of three components or three systems also has report at present with relevant paper.
(patent No.: CN201010227230.3) three component spandex yarns of spinning weight ratio 5%-30% internal layer core silk and the outer short fiber of 70%-95% on traditional spinning machine, it is core spinning that reality is two like the patent of Xue Yuan.
The patent of invention of the Chen Lifen etc. (patent No.: the CN200410066146.2) spinning method of wool, long filament and the three-in-one stretch yarn of spandex; (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 to the utility model patent of Chen Lifen.Its method is two long filament band wools, for putting the method that converges together.All different with the principle of the invention, mechanism and object.(patent No.: CN200710132406.5) being three is spinning, and the center is the spandex silk, and the outside of spandex silk is twined at interval to coat by two strands of yarns and formed at the center similarly to also have the clear patent of invention siro-spinning spandex core-spun yarn of Chen Lan.But also for converging with putting.All different on principle, mechanism and technology with the non-high-elastic composite spinning of convergent point that waits of the present invention.
Cotton, fiber crops, hair are large type of textile fabrics, and be comfortable, soft, commonly used, but institute becomes the elasticity of yarn less, is easy to cause wrinkling, the paper sense of fabric and wears discomfort.Though the existing spandex that adopts increases bullet, crease-resistant, during large deformation fabric elasticity disappear and structure unstable, medical, the motion of the high bouncing function that more can't meet the demands, household textiles and requirement comfortable and functional form clothes and moulding and orthopedic underwear.And the key that this type of problem solves is the technology of preparing of the yarn of high elasticity percentage elongation.
Summary of the invention
The purpose of this invention is to provide a kind of non-preparation method who waits the high-elastic composite yarn of convergent point who is suitable for elastic filament, this method has solved the non-composite spinning that waits convergent point of high-tension silk, and method is simple and direct.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: a kind of non-preparation method who waits the high-elastic composite yarn of convergent point; It is characterized in that: being employed on the common ring spinning frame increases a location tension pulley that is used for controlling elastic force long filament (elastic filament) position and tension force, increases by one and grips rod and two yarn locators that are used for controlling short fiber yarn position respectively with what the isostension mode fed elastic filament; And to implement two short fiber yarns and elastic filament with this be that the twisting of feeding and Rendezvous Point such as non-is compound with three, and finally being spun into sandwich layer is double-stranded high-elastic yarn core; Skin is that the short fiber yarn coats and the retractile high-elastic composite yarn of pitch.
This a kind of non-preparation method who waits the high-elastic composite yarn of convergent point, concrete steps are:
1) spinning is prepared: what increase on common ring spinning frame that 12, one of a tension pulley in location is close to front upper roller 41 grips rod 13 (location tension pulley 12 with grip rod 13 constitute the elastic filament feed mechanisms); 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: with the corresponding front roller nip 43 (this is a diaxon) between the first yarn locator 22 and the second yarn locator, 32 location feeding front upper rollers 41 and preceding bottom roll 42 of the difference of the first short fiber yarn 21 after the drawing-off and the second short fiber yarn 31; Elastic filament 11 tension pulleies 12 through the location decide tension force and nip roiler 13 is sent in the location; And by this nip roiler grip detour 30 °～1230 ° coat angles after, attach and shift on front upper roller 41; And with the rotation of front upper roller 41 feeding front roller nip 43 (this is), forming three thus is synchronous feeding;
3) twisting resultant yarn: when the described first short fiber yarn 21, the second short fiber yarn 31, when elastic filament 11 is exported from front roller nip; Because of the different first short fiber yarns 21 that make of spacing and tension force at first compound with first convergent point of elastic filament 11 before front roller 4; 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 bigger elastic extension is arranged; With the height elongation requirement that reply sandwich layer itself is faced, this also is 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 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 also is the less fiber of elastic elongation; Like fiber crops, cotton, spun silk, viscose glue or terylene etc., main cause that can be high-elastic.
Step 2) the first short fiber yarn 21 described in and the second short fiber yarn 31 are nature spinning, drawing tension force; The tension force of elastic filament 11 is 1-15cN (preferred 2-12cN).The described first short fiber yarn 21 is 1-15mm (preferred 2-10mm) with the spacing of elastic filament 11, and the second short fiber yarn 31 is 2-30mm (preferred 4-20mm) with the spacing of elastic filament 11.
The left and right sides adjustable positions of the location tension pulley 12 step 2), the feeding that is used for elastic filament 11 is located; The front and back upper-lower position of location tension pulley 12 is adjustable, is used to change the control of the angle of contact of 11 pairs of elastic filament 11 of elastic filament, to increase the control of 12 pairs of elastic filament 11 of tension pulley.The rotary damping of described location tension pulley 12 is adjustable and combine with described angle of contact, confirms 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, and the isostension that is used for elastic filament 11 grips, the tension stability that promptly keeps location tension pulley 12 to be given; This effect be through elastic filament 11 the angle of contact of nip roiler 13 and nip roiler 13 by the contact constant speed of the front upper roller 41 of front roller drive realize.It [can be the direct wrap angle less than a circle that the wrap angle of described elastic filament 11 on said nip roiler 13 is 30 °～1230 °; It preferentially is 60 °～150 °; Or add on this basis around 1～3 circle, preferentially be 30 °～150 °+(1～3) * 360 °].
The first yarn locator 22 and the second yarn locator 32 respectively move left and right confirm the first short fiber yarn 21, the second short fiber yarn 31 feeding position and with the distance between axles of elastic filament 11.Described distance between axles cooperates with the spinning twist with the tension force of elastic filament 11, determines the position of said first and second convergent points and twists compound precedence.
Described three is the two kinds of forms that are arranged with of 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 sides, and the homonymy of the formed first short fiber yarn 21 and the second short fiber yarn 31 is arranged; Another is through location tension pulley 12 mesial migrations and 21 right shifts of the first short fiber yarn, and the formed first short fiber yarn 21 and the second short fiber yarn 31 are positioned at the bilateral of elastic filament 11 both sides and arrange.Described homonymy arrangement increasing relatively bullet effect will be got well relatively; It is better relatively 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 be through the tension force to said 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 at least one adjustment, confirm the elastic extension of this high-elastic composite yarn 8; Described composite quality is preferably 20-60: 20-60: 10-40 than for 10-80: 10-80: 10-60.
Described non-to wait Rendezvous Point stablize the first short fiber yarn 21 and the second short fiber yarn 31 among the composite spinning preparation method are rove bars of being processed by weaving staple fibre commonly used via first horn mouth 23 of ring spinning frame rear side, second horn mouth 33, at certain intervals with the position feed rear roller 6, again through the resulting parallel short fiber yarn that stretches of apron roller 5 and front roller 4 drawing-offs.Described interval and position are the interval and the position of first horn mouth 23 and second horn mouth 33; Described first horn mouth 23 and second horn mouth 33 all are positioned at the rear side of rear roller 6; Described interval should be consistent with the distance between axles of described staple fibre yarn with the position, to guarantee being arranged in parallel and stretching of drawing-off effect and fiber.
The stretch yarn is spandex filament yarn, Lycra
filament, polyolefin-based elastic yarn (DOW
elastic fibers) and other flexible features filaments.
Described a kind of non-preparation method of the high-elastic composite yarn of convergent point that waits is suitable for weaving with natural fabric and chemical fibre, and especially fibers such as the less fiber crops of elastic elongation, cotton, spun silk, viscose glue, terylene increases bullet and high-elastic composite spinning.
The elastic extension of the high-elastic composite yarn of being processed by this 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 textiles of especially high-elastic functional requirement use yarn, like the body shaping underwear and the orthopedic underwear of close-fitting sportswear, medical bandage and sheath and comfortable functional.
Beneficial effect of the present invention is: 1. only on common fine spining machine, increase an active tension dish, grip the composite spinning that rod and two locators have just solved the convergent point such as non-of high-tension silk, method is simple and direct, mechanism is practical; The relative position during 2. through adjustment two short fiber yarns and three outputs of elastic force tow and the tension force of elastic filament; Can obtain the large deformation of high-elastic double-helical heart yarn with reply yarn core layer effectively, the absolute elastic extension that makes this high-elastic composite yarn is apparently higher than common stretch composite yarn and symmetrical high-elastic composite yarn; This method can obtain to have high elasticity and constitutionally stable high-elastic composite yarn.3. because the double-decker of this yarn; Outer main rotation, the internal layer of fiber of leaning on leans on the elongation of double-helix spring formula; The looping of elastic filament and the obvolvent between resiliency and staple fibre are arranged again; Even if the big fiber of low elongation rigidity; Also can obtain constitutionally stable high elasticity composite spinning; So the adaptability to fiber strengthens, can select weaves arbitrarily increases bullet and high-elasticization with short fiber, and elasticity is improved significantly; 4. the high-elastic composite yarn that makes 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.
Description of drawings
Fig. 1 is the non-preparation principle figure that waits the high-elastic composite yarn of convergent point of the present invention;
Fig. 2 is the non-preparation side-looking schematic diagram that waits the high-elastic composite yarn of convergent point of the present invention;
Fig. 3 is the non-structural representation that waits the high-elastic composite yarn of convergent point of the present invention;
Among the figure:
The elastic filament feed mechanism, it comprises 12-location tension pulley; 13-grips rod; Relate to the 11-elastic filament;
The first short fiber feed mechanism, it comprises the 22-first yarn locator; 23-first horn mouth; Relate to the 21-first short fiber yarn;
The second short fiber feed mechanism, it comprises the 32-second yarn locator; 33-second horn mouth; Relate to the 31-second short fiber yarn;
The 4-front roller, it comprises the 41-front upper roller; Bottom roll before the 42-; The 43-front roller nip;
5-apron roller;
The 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-, the high-elastic composite yarn after wherein 8U, 8S-are respectively and do not stretch and stretch;
Solid line partly is the homonymy arrangement composite spinning signal of two short fiber yarns among Fig. 1; Dotted portion is that the bilateral of two short fiber yarns is arranged the composite spinning signal.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
A kind of non-preparation method who waits the high-elastic composite yarn of convergent point; Being employed on the common ring spinning frame increases a location tension pulley that is used for controlling elastic force long filament (elastic filament) position and tension force, increases by one and grips rod and two yarn locators that are used for controlling short fiber yarn position respectively with what the isostension mode fed elastic filament; And to implement two short fiber yarns and elastic filament with this be that the twisting of feeding and Rendezvous Point such as non-is compound with three, and finally being spun into sandwich layer is double-stranded high-elastic yarn core; Outer for the short fiber yarn coats and the retractile high-elastic composite yarn 8 of pitch, like Fig. 1, Fig. 2, shown in Figure 3.
This a kind of non-preparation method who waits the high-elastic composite yarn of convergent point, concrete steps are:
1) spinning is prepared: what increase on common ring spinning frame that 12, one of a tension pulley in location is close to front upper roller 41 grips rod 13 (location tension pulley 12 with grip rod 13 constitute the elastic filament feed mechanisms); 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 in rove tubes same or different fibers; The rove bar at certain intervals with the position by the horn mouth 23 of said ring spinning frame and 33 feeding rear rollers 6; After apron roller 5 and front roller 4 drawing-offs, form two bundles and stretch parallel staple fibre yarn, this is a diaxon.With the corresponding front roller nip 43. between the first yarn locator 22 and the second yarn locator, 32 location feeding front upper rollers 41 and preceding bottom roll 42 of the difference of the first short fiber yarn 21 after the drawing-off and the second short fiber yarn 31
Get an elastic filament tube; Elastic filament 11 tension pulleies 12 through the location decide tension force and nip roiler 13 is sent in the location; And by this nip roiler grip detour 30 °～1230 ° coat angles after, attach and shift on front upper roller 41, and with the rotation feeding front roller nip 43 of front upper roller 41, this is one; Forming three thus is synchronous feeding;
3) twisting resultant yarn: when the described first short fiber yarn 21, the second short fiber yarn 31, when elastic filament 11 is exported from front roller nip; Because of the different first short fiber yarns 21 that make of spacing and tension force at first compound with first convergent point of elastic filament 11 before front roller 4; 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 bigger elastic extension is arranged; With the height elongation requirement that reply sandwich layer itself is faced, this also is 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 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 also is the less fiber of elastic elongation; Like fiber crops, cotton, spun silk, viscose glue or terylene etc., main cause that can be high-elastic.
Through selecting used fiber and compositely proportional thereof, i.e. the elastic filament of Xuan Zeing, rove bar, composite quality ratio; Through changing the composite spinning technological parameter; Be the tension force of elastic filament; Elastic filament is to the angle of contact of nip roiler (angle of contact=around the 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 the high-elastic composite yarn of convergent point of the present invention, and be spun into constitutionally stable high-elastic composite yarn, concrete technological parameter sees embodiment 1～8 for details.
The elastic extension of the high-elastic composite yarn 8 of gained calculates after the fixed repeatedly elongation of several times stretches and obtains, and calculating formula is: elastic extension=(L-L
0)/L
0=Δ L/L
0, wherein, L
0Be former length; L is a tensile elongation; Δ L is the absolute elongation value, sees for details shown in Figure 3.Elastic extension is meant that material can elongate and can be returned to the percentage elongation of original position.Measured value sees embodiment 1～8 for details.
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 systems; Three raw materials: the composite quality ratio of cotton/cotton/spandex silk is 40/40/20, adopts above-mentioned compound spinning method, and the spandex silk is with 8cN tension force, and being 120 °+0 ° with the angle of contact that grips rod, to add the pitch of the laps number be zero, from a feeding; The cotton short fiber yarn of two bundles respectively from other diaxon, with the distance between axles 8mm of spandex silk and 4mm feeding; The twist of spinning is 120 sth. made by twisting/10cm; Go out the spandex silk of front roller nip and at first be compounded to form double-stranded yarn section at the A point with a cotton short fiber yarn wherein; It is compound at the B point that this yarn Duan Zaiyu goes out another cotton short fiber yarn of front roller nip then; The AB section is 3.5mm; Form the outer field high-elastic composite yarn that the cotton fiber spiral is coated on spandex/cotton double-spiral structure heart yarn; This high-elastic composite yarn is 100% o'clock at elastic extension; Act on repeatedly 100 times, the yarn profile is intact; Comfortableness and outward appearance such as cotton.Illustrate that the high-elastic composite yarn that obtains 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 systems; Three raw materials: the composite quality ratio of spun silk short fiber/spun silk short fiber/spandex silk is 35/35/30, adopts above-mentioned compound spinning method, and the Lycra silk is with 8cN tension force, and being 100 °+0 ° with the angle of contact that grips rod, to add the pitch of the laps number be zero, from a feeding; Spun silk short fiber yarn with the natural tension force of spinning, drawing from other diaxon, with the 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 at first be compounded to form double-stranded yarn section at the A point with a spun silk short fiber yarn wherein; It is compound at the B point that this yarn Duan Zaiyu goes out another spun silk short fiber yarn of front roller nip then; The AB section is 3.5mm; Form the outer field high-elastic composite yarn that the silk flock spiral is coated on Lycra/spun silk double-spiral structure heart yarn; This high-elastic composite yarn is 90% o'clock at elastic extension, acts on repeatedly 100 times, and the yarn profile is intact; Comfortableness and outward appearance such as silk.Illustrate that the high-elastic composite yarn that obtains 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 systems; Three raw materials: the composite quality ratio of cotton ramie blended spinning/cotton ramie blended spinning/spandex silk is 50/30/20, adopts above-mentioned compound spinning method, and the spandex silk is with 15cN tension force, with the nip roiler angle of contact be 80 °+360 ° (80 ° and add) around 1 circle, from a feeding; Two bundle cotton ramie blended spinning short fiber yarns respectively from other diaxon, with the distance between axles 10mm and the 6mm feeding of spandex silk; The twist of spinning is 150 sth. made by twisting/10cm; Go out the spandex silk of front roller nip and at first be compounded to form double-stranded yarn section at the A point with a cotton ramie blended spinning short fiber yarn wherein; It is compound at the B point that this yarn Duan Zaiyu goes out another cotton ramie blended spinning short fiber yarn of front roller nip then; The AB section is 2.5mm; Form the outer field high-elastic composite yarn that cotton ramie blended spinning fiber spiral is coated on spandex/cotton ramie blended spinning double-spiral structure heart yarn; This high-elastic composite yarn is 108% o'clock at elastic extension; Act on repeatedly 100 times, the yarn profile is intact; Comfortableness and outward appearance such as ramie cotton yarn.Illustrate that the high-elastic composite yarn that obtains 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 raw materials: the composite quality ratio of ramie/ramie/DOWXLA silk is 35/35/30, utilizes composite spinning technology spinning of the present invention.DOW XLA silk is with certain force of strain 5cN, with the 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 the 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 at first be compounded to form double-stranded yarn section at the A point with a ramie yarn wherein; It is compound at the B point that this yarn Duan Zaiyu goes out another wool yarn of front roller nip then; The AB section is 1.5mm; Form the outer field high-elastic composite yarn that the ramee spiral is coated on DOW XLA/ ramie double-spiral structure heart yarn; This high-elastic composite yarn is 70% o'clock at elastic extension; Act on repeatedly 400 times, the yarn profile is intact; Comfortableness such as ramie.Illustrate that the high-elastic composite yarn that obtains 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 systems; Three raw materials: the composite quality ratio of wool/wool/DOW XLA silk is 38/38/24, adopts above-mentioned compound spinning method, and DOW XLA silk is with 6cN tension force, and being 110 °+0 ° with the nip roiler angle of contact, to add the pitch of the laps number be zero, from a feeding; Two bundle wool short fiber yarns respectively from other diaxon, with the 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 at first be compounded to form double-stranded yarn section at the A point with a wool short fiber yarn wherein; It is compound at the B point that this yarn Duan Zaiyu goes out another wool short fiber yarn of front roller nip then; The AB section is 4.5mm; Form the outer field high-elastic composite yarn that the wool fibre spiral is coated on DOW XLA silk/wool short fiber double-spiral structure heart yarn; This high-elastic composite yarn is 110% o'clock at elastic extension; Act on repeatedly 100 times, the yarn profile is intact; Comfortableness and outward appearance such as wool.Illustrate that the high-elastic composite yarn that obtains 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 systems; Three raw materials: the composite quality ratio of wool/terylene short fiber/Lycra silk is 50/25/25, adopts above-mentioned compound spinning method, and the Lycra silk is with 12cN tension force, with the nip roiler angle of contact be 60 ° ++ 1080 ° (110 ° and add around 3 circles) feed from the center; The wool yarn is with the natural tension force of the spinning, drawing diaxon from bilateral, 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 at first be compounded to form double-stranded yarn section at the A point with a terylene short fiber yarn wherein; It is compound at the B point that this yarn Duan Zaiyu goes out another wool yarn of front roller nip then; The AB section is 2.5mm; Form the outer field high-elastic composite yarn that the wool fibre spiral is coated on Lycra/terylene short fiber double-spiral structure heart yarn; This high-elastic composite yarn is 80% o'clock at elastic extension; Act on repeatedly 400 times, the yarn profile is intact; Comfortableness and outward appearance are all like wool.Illustrate that the high-elastic composite yarn that obtains has high elasticity and Stability Analysis of Structures.
Embodiment 7: convergent point high-tension composite yarns such as spinning terylene, Modal+ Lycra silk is non-
Choose a terylene rove bar, Modal rove bar and the Lycra silk raw material as composite spinning, three raw materials: the composite quality ratio of terylene/Modal/ Lycra silk is 40/40/20, utilizes composite spinning technology spinning of the present invention.The Lycra silk is with certain force of strain 10cN, and being 120 ° with the nip roiler angle of contact is zero with adding the pitch of the laps number, from a feeding; Terylene yarn and Modal yarn feed with spacing difference 4mm and 12mm with the Lycra silk from other diaxon with the natural tension force of spinning, drawing, and the twist of spinning is 100 sth. made by twisting/10cm; Go out the Lycra silk of front roller nip and at first be compounded to form double-stranded yarn section at the A point with terylene yarn wherein; It is compound at the B point that this yarn Duan Zaiyu goes out the Modal yarn of front roller nip then; The AB section is 6.5mm; Form the outer field high-elastic composite yarn that Modal fiber spiral is coated on Lycra silk/terylene double-spiral structure heart yarn; This high-elastic composite yarn is 90% o'clock at elastic extension; Act on repeatedly 100 times, the yarn profile is intact; Comfortableness such as regenerated celulose fibre.Illustrate that the high-elastic composite yarn that obtains has high elasticity and Stability Analysis of Structures.
Embodiment 8: convergent point high-tension composite yarns such as spinning viscose glue, terylene+spandex silk is non-
Choose a viscose glue rove bar, terylene rove bar and the spandex silk raw material as composite spinning, three raw materials: the composite quality ratio of short rayon fiber/terylene short fiber/spandex silk is 40/40/20, utilizes composite spinning technology spinning of the present invention.The spandex silk is with certain force of strain 10cN, and being 120 ° with the nip roiler angle of contact is zero with adding the pitch of the laps number, from a feeding; Short rayon fiber yarn and terylene short fiber yarn with the natural tension force of spinning, drawing from other diaxon, with the spacing 4mm and the 12mm feeding respectively of spandex silk, the twist of spinning is 100 sth. made by twisting/10cm; Go out the spandex silk of front roller nip and at first be compounded to form double-stranded yarn section at the A point with terylene short fiber yarn wherein; It is compound at the B point that this yarn Duan Zaiyu goes out the short rayon fiber yarn of front roller nip then; The AB section is 5mm; Form the outer field high-elastic composite yarn that the viscose staple fibre spiral is coated on spandex silk/terylene short fiber double-spiral structure heart yarn; This high-elastic composite yarn is 90% o'clock at elastic extension; Act on repeatedly 100 times, the yarn profile is intact; Comfortableness such as regenerated celulose fibre.Illustrate that the high-elastic composite yarn that obtains has high elasticity and Stability Analysis of Structures.
Claims (10)
1. non-preparation method who waits the high-elastic composite yarn of convergent point; It is characterized in that: being employed on the common ring spinning frame increases a location tension pulley that is used for controlling elastic force filaments in position and tension force, increases by one and grips rod and two yarn locators that are used for controlling short fiber yarn position respectively with what the isostension mode fed elastic filament; And with this to implement two short fiber yarns and elastic filament be feeding with three and non-ly wait the twisting of Rendezvous Point compound, finally be spun into sandwich layer and be double-stranded high-elastic yarn core, outer be coating of short fiber yarn and the retractile high-elastic composite yarn of pitch.
2. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 1 is characterized in that concrete steps are:
1) spinning is prepared: on common ring spinning frame, increase a location tension pulley (12), one be close to front upper roller (41) grip rod (13); Increase by 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: with the corresponding front roller nip (43) between the first yarn locator (22) and the second yarn locator (32) location feeding front upper roller (41) and preceding bottom roll (42) of the difference of the first short fiber yarn (21) after the drawing-off and the second short fiber yarn (31); Elastic filament (11) through the location tension pulley (12) decide tension force and nip roiler (13) is sent in the location; And by this nip roiler grip detour 30 °～1230 ° coat angles after, attach and shift on front upper roller (41); And with the rotation of front upper roller (41) feeding front roller nip (43), forming three thus is synchronous feeding;
3) twisting resultant yarn: when the described first short fiber yarn (21), the second short fiber yarn (31), elastic filament (11) when front roller nip is exported; The first short fiber yarn (21) is at first compound at the first preceding convergent point of front roller (4) with elastic filament (11), forms elastic filament (11) and the compound double helix yarn section (7) of 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 second convergent point again.
3. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 2, it is characterized in that: the described first 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.
4. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 2, it is characterized in that: the described first 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).
5. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 2 is characterized in that: the left and right sides adjustable positions of described location tension pulley (12), and the feeding that is used for elastic filament (11) is located; The front and back upper-lower position of location tension pulley (12) is adjustable, is used to change the control of elastic filament (11) to the angle of contact of elastic filament (11), to increase the control of tension pulley (12) to elastic filament (11).
6. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 2, it is characterized in that: described nip roiler (13) contact is positioned at the top of front upper roller (41), and is driven by front upper roller (41), and the isostension that is used for elastic filament (11) grips.
7. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 2 is characterized in that: the first yarn locator (22) and the second yarn locator (32) respectively move left and right confirm the first short fiber yarn (21), the second short fiber yarn (31) feeding position and with the distance between axles of elastic filament (11).
8. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 1 and 2; It is characterized in that described three is the two kinds of forms that are arranged with of 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 homonymy of the formed first short fiber yarn (21) and the second short fiber yarn (31) is arranged; Another is through location tension pulley (12) mesial migration and first short fiber yarn (21) right shift, and the formed first short fiber yarn (21) and the second short fiber yarn (31) are positioned at the bilateral of elastic filament (11) both sides and arrange.
9. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 1 and 2; It is characterized in that: the elastic extension of described high-elastic composite yarn can be through the tension force to said 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 at least one adjustment, confirm the elastic extension of this high-elastic composite yarn (8); Described composite quality is than being 10-80: 10-80: 10-60.
10. a kind of non-preparation method who waits the high-elastic composite yarn of convergent point according to claim 1 and 2, it is characterized in that: described elastic filament is meant spandex filament, Lycra long filament or polyolefin-based elastic yarn.
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| CN102787403A (en) * | 2012-07-22 | 2012-11-21 | 东华大学 | Double-shafting fiber interactive equal feeding composite spinning device and technology |
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| CN108754734A (en) * | 2018-06-12 | 2018-11-06 | 徐州天虹时代纺织有限公司 | A kind of elastomeric yarn, production technology and its fabric |
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| 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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| CN107190390A (en) * | 2017-05-23 | 2017-09-22 | 东华大学 | The preposition angle looping S/S of convergence surely coupling grading structure spinning mechanisms and method and purposes |
| CN108625011A (en) * | 2017-07-19 | 2018-10-09 | 李文雅 | A kind of colored Yarn spinning method of two traversings discoloration based on ring throstle |
| CN108754734A (en) * | 2018-06-12 | 2018-11-06 | 徐州天虹时代纺织有限公司 | A kind of elastomeric yarn, production technology and its fabric |
| 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 |
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