CN103469382A - Four-roller three-thick-yarn feeding full compact spinning device, spinning method thereof and color yarn - Google Patents
Four-roller three-thick-yarn feeding full compact spinning device, spinning method thereof and color yarn Download PDFInfo
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- CN103469382A CN103469382A CN2013104089274A CN201310408927A CN103469382A CN 103469382 A CN103469382 A CN 103469382A CN 2013104089274 A CN2013104089274 A CN 2013104089274A CN 201310408927 A CN201310408927 A CN 201310408927A CN 103469382 A CN103469382 A CN 103469382A
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Abstract
The invention discloses a four-roller three-thick-yarn feeding full compact spinning device which comprises four groups of drafting roller pairs. A distance-adjustable three-flared-opening feeding unit is additionally arranged at a position of the yarn guide rod of a back roller; a mechanical magnetic collector is additionally arranged on the back roller; a middle-rear roller is a narrow groove type positive pressure hollow roller; the jaw portion of the middle-rear roller is additionally provided with a separating roller unit; a front-middle roller is a narrow groove type negative pressure hollow roller; a front roller is a large-diameter narrow groove type negative pressure hollow roller. A yarn spinning method utilizing the four-roller three-thick-yarn feeding full compact spinning device comprises feeding three thick yarn of A thick yarn, B thick yarn and C thick yarn through the distance-adjustable three-flared-opening feeding unit in a spinning process from the rear roller, and obtaining needed yarn through four-roller-and-three-section draft. According to the four-roller three-thick-yarn feeding full compact spinning device, the total draft multiple can be improved to more than 300 times to the maximum, accordingly the simultaneous feeding of three kinds of thick yarn of an ordinary fixed quantity for spinning can be achieved, and the spinning efficiency can be effectively improved. Besides, high-quality color yarn can be provided.
Description
Technical field
The present invention relates to the ring spinning new technical field, a kind of four roller three rove feeding complete or collected works gather spinning apparatus specifically, and three rove feed four roller super draft colored yarn and production methods thereof.
Background technology
Raising day by day along with socioeconomic development and living standards of the people, people's consumption idea is constantly updated, quality of life and living environment are more and more paid attention to, Functional Requirement to clothes is more and more higher, especially the requirement of the aspects such as antibiotic, the health care of clothes, feel, quality is constantly improved.On the other hand, along with continuing to increase with China textile industry structural adjustment investment of market competition strengthened gradually, be to improve added value of product and the market competitiveness, yarn variety is gradually to high branching, differentiation future development.Therefore, adopt blending method to be combined by the fiber by several difference in functionalitys, improve the combination property of the yarn of producing or fabric come into one's own gradually.
The RING SPINNING that realizes twisting by spindle rotation is the most traditional spinning method, be also on current market consumption at most, the most general spinning method, technology is very ripe, although the Advanced Spinning Technologies that a lot of production efficiency is high, technological process is short occurred at present, as Revolving cup spinning, Air-Jet Spinning etc., especially Air-Jet Spinning, adopt the High Rotation Speed air-flow to make fibre bundle false twisting looping resultant yarn and thoroughly changed the twisting mechanism of RING SPINNING, but these spinning methods still can't replace RING SPINNING on adaptability to raw materials and yarn oeverall quality.Therefore, RING SPINNING remains the topmost spun yarn mode of production at present.By the traditional ring spinning technology being improved to realize that the production of high-quality spun yarn is the most popular problem of current textile industry.
Drafting system is the important component part of fine spining machine work, and its performance directly has influence on yarn quality.General fine spining machine all adopts three roller draft forms at present, comprising the two rubber ring structures of three common rollers and three roller four rubber ring structures that can realize 80～100 times of high drafts.The two rubber ring structures of three common rollers are divided into two draw zones: front draft zone and first break draft district, and back zone is owing to only adopting simple roller draft, make the middle part friction field a little less than, drafting multiple is generally less than 1.4 times, this is unfavorable to the total drafting multiple that improves fine spining machine, thereby its total draft multiple is between 20～50.In order to solve the problem that the back area draft ability is low, at Chinese patent " for the device that involves of high-count worsted machine " (number: 96107383) with " fine spining machine four tape drawing mechanisms " (number: 012439010) disclose respectively a kind of three roller three-aprons and three roller four tape drawing mechanisms, preferably resolve the weak problem of back area draft ability of three roller form drafters, make the total draft multiple can bring up to 100.But, because it adopts three roller forms, also only have two draw zones, thereby can not realize super draft.At Chinese patent " fine spining machine four apron high draft devices " (number: disclose a kind of four apron high draft mechanisms for fine spining machine 200520073617.2), the total draft multiple is brought up to 150.But the requirement that the development that can't meet textile raw material is new.
For this, the present invention's employing employing three rove feeding technology productions on a kind of super draft fine spining machine that comprises four roller four apron three district's drawing-off forms are a kind of not only has the multicolour effect but also have the dry inhomogeneity yarn of excellent bar, and provides corresponding spinning method.
Summary of the invention
The object of the invention is that the defect for prior art provides a kind of poly-spinning apparatus of four roller three rove feeding complete or collected works of high draft, the color yarn that adopts the spinning method of this device and adopt this device to spin.
The present invention for achieving the above object, adopts following technical scheme:
The poly-spinning apparatus of a kind of four roller three rove feeding complete or collected works, comprise the first break draft roller pair formed by rear roller and rear roller, middle rear roller with in after the middle first break draft roller pair that forms of roller, the middle front draft roller pair that middle front roller and middle front leather roller form, the front draft roller pair that front roller and front leather roller, resistance twist roller form, add three adjustable horn mouth feeding units of spacing in rear roller lever jack position; It is characterized in that: add mechanical type magnetic collector on described rear roller, can realize the tight mixing of the rove of feeding; Described middle rear roller adopts narrow slot type malleation hollow roller, can realize that the yarn that BOH organization is crossed dispels; Described middle rear roller jaw place adds cuts apart roller arrangement, can realize the beam splitting of the fiber strip that dispelled out and evenly mix; Described middle front roller is narrow slot type negative pressure hollow roller, the gather effect of fiber strip before entering the proparea dominant draft after can realizing mixing; Described front roller adopts a kind of major diameter narrow slot type negative pressure hollow roller, can effectively realize that the fiber strip after drawing-off is twisted under compact state.
It is further characterized in that: described narrow slot type negative pressure front roller diameter is 50mm, and in described narrow slot type negative pressure, the front roller diameter is 25mm, and in described narrow slot type malleation, the rear roller diameter is 27mm.
Further: the poly-spinning apparatus of described four roller three rove feeding complete or collected works also comprises the cotton air channel of collection, and the cotton air channel of described collection has three air channels, is respectively used to integrate cotton, as front roller in narrow slot type negative pressure front roller and narrow slot type negative pressure, provides and gather negative pressure.
In described narrow slot type malleation, the required fiber of rear roller dispels malleation is provided by independent positive pressure system.
A kind of method that adopts the poly-spinning apparatus spun yarn of four roller three rove feeding complete or collected works, it is characterized in that: at spinning process, adopt three rove A rove, B rove and the C rove three horn mouth feeding units adjustable through spacing to feed from rear roller, through four roller three district's super drafts, obtain required yarn.
It comprises the steps:
For the A rove: at first dyeed, then obtain required A rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
For the B rove: obtain required B rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
For the C rove: at first dyeed, then obtain required C rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
A rove, B rove and C rove left horn mouth, middle horn mouth and the right horn mouth in three horn mouths obtained fed from rear roller, through four roller three district's super drafts, obtain required yarn.
Above-mentioned concrete steps are:
(1) opening and cleaning step:
The technological principle of employing " how pine is few is beaten, combs less more "; Comprehensive hired roughneck's rotating speed is 760-880r/min, and hired roughneck's blade stretches out the distance of rib between 2-5mm, adopts the tooth-like hired roughneck's form of band saw of outer close interior rare distribution; Give between cotton roller and hired roughneck the 8-10mm that spaces, 10-13mm spaces between dirt rod and dirt rod, the 8-9mm of import department that spaces between dirt rod and hired roughneck, exit 18-20mm, the 0.8-1.8mm that spaces between pattern doffing roller and brad curtain, the 4-8mm that spaces between hired roughneck and brad curtain, the 65-78mm that spaces between brad curtain and cotton-pressing curtain, the 55-70mm that spaces between evener roller and brad curtain; Stripping Beater Speed 400-500r/min, evener roller speed 190-280r/min, fan speed 1250-1350r/min; Cotton rolling quantity is 410-430g/m, vertical irregular 0.8-1.2% that is controlled at, and the lap percentage elongation is controlled at 2.8-3.5%, regain 8-9%.
(2) carding step:
Adopt the technological principle of " light quantitatively, low velocity, space greatly, small tension receiving coil, shift, hinder less fiber soon "; Cylinder rotating speed 420-580r/min, licker-in speed is 800-980r/min, cover plate speed 220-290mm/min, doffer speed 20-28r/min, cylinder～cover plate is every square 0.2-0.3,0.2-0.25,0.175-0.25,0.175-0.25,0.2-0.3mm, cylinder～licker-in 0.17-0.18mm that spaces, cylinder～doffer 0.12-0.13mm that spaces, cylinder-feed plate gauge 0.2-0.3mm, cotton rolling quantity is controlled at 19-23g/5m;
(3) combing process:
Adopt " soft combing, light quantitatively, low velocity, in space, the Gao Xici ratio " technological principle; The pre-drawing combined roots is the 6-8 root, bar volume adopt 24-28 root pre-drawing and close, the combing speed of a motor vehicle is controlled at 250-290 pincers/min, top comb density is controlled at 30 pins/cm-36 pin/cm, employing is advanced to cotton mode, give cotton length 5.5-6.5mm, the yarn quantitative is built in 18-22g/5m, and linters rate is controlled at 15%-20%;
(4) mixing in doubling step:
Mixing in doubling step adopts twice mixed also; The speed of a motor vehicle is controlled at 600-850m/min, and yarn 6-8 root also closes, and drafting multiple 5.8-8.6 times, roller gauge 10 * 8 * 19mm, cotton strip quantity is controlled at 19-23g/5m;
(5) Roving Frames:
Adopt " increase the twist, reduce the speed of a motor vehicle, suitably increase roller nip and space " technological principle; The ingot speed control is built in 850-980r/min, and regular roving feeding is controlled at 4.0-5.5g/10m, and roving twist factor is controlled at 80-110, roller gauge 23.5 * 32mm, and the total draft multiple is controlled at 6-12 doubly, and back zone drafting multiple is controlled at 1.1-1.3 doubly;
(6) spinning process:
By the A rove, B rove and the C rove left horn mouth in three horn mouths, middle horn mouth and right horn mouth feed from rear roller, described mechanical type magnetic collector relies on the effect of mechanical force to realize the tight mixing of feeding rove, the drawing-off that rove after set is less through back zone and arrangement enter middle rear roller, the yarn that BOH organization is crossed dispels, again by cutting apart roller arrangement, the beam splitting of the fiber strip after realization dispels and mixing, thereby realize the even mixing of three rove of feeding, hollow roller before fiber strip after mixing enters in the narrow slot type negative pressure after the drawing-off in middle district, fiber strip after realizing mixing under the effect of gathering negative pressure entering closely gathering before the dominant draft of proparea, fiber strip after gathering enters the hollow front roller of major diameter narrow slot type negative pressure through the effect of proparea dominant draft, complete the drawing-off effect, realize that the fiber strip after drawing-off twists under compact state, significantly improve yarn quality, especially improve into Yarn Evenness, the pressure of the hollow middle rear roller of narrow slot type malleation is between 1000-1200Pa, before in the narrow slot type negative pressure, the negative pressure of hollow roller is between 1200-1400Pa, before the narrow slot type negative pressure, the negative pressure of hollow roller, between 1600-2000Pa, is cut apart the width of each separation trough in roller arrangement between 1-2mm, before front leather roller momentum be controlled at 0 to after move between 2.5mm, the two ingots of reel cage pressure 210 * 120 * 120 * 140N/, diameter of ring 34mm, Hardness is 60 ± 3 degree, the two ingots of roller pressurization 180cN/, before in a roller gauge 10-11mm, in the two rear rollers 14.2-28.5mm that spaces in, in the two rear rollers 32-38mm that spaces, proparea adopts 6833E type pressure bar top pin, front nip gauge is 2.5-3.5mm, middle district adopts on the 6833B type sells, nip gauge is 2-3mm, back area draft is controlled at 1.1-1.4 doubly, intermediate draft is controlled at 1.1-2.5 doubly, the proparea drawing-off is controlled at 10-75 doubly, total draft is controlled at 150-300 doubly, spun yarn twist factor 385-445, ingot speed 10500-12500r/min, rings adopts PG1/23554, the steel traveler model adopts C1ELUdr10/0.
A kind of color yarn that adopts above-mentioned spinning method spinning is characterized in that: described color yarn adopts the poly-spinning apparatus spinning of four roller three rove feeding complete or collected works; At least one is dyeed described A rove, B rove and C rove; Described three kinds of rove all comprise the Xinjiang Long staple cotton of weight ratio 100%.
The present invention's four roller three poly-spinning apparatus of rove feeding complete or collected works and spinning method can realize that three rove feed spinning simultaneously, effectively improve the Yarn color style, and practical requirement, improve the yarn added value.In the spinning process part, by drawing-off, partly adopt four roller four apron three district's drawing-off forms can realize 30-300 super draft doubly, be that the three rove amount of resetting feeding spinning lay the foundation, effectively promote spinning efficiency.Simultaneously by install a kind of mechanical type magnetic collector additional at rear roller, and coordinate rear roller in the narrow slot type malleation and corresponding jaw place to install additional cut apart roller arrangement and can realize that the drawing-off of three rove in back zone of feeding arranges and evenly mix, middle front roller adopts narrow slot type negative pressure hollow roller, the tight set effect of fiber strip after can realizing mixing before entering the proparea dominant draft, front roller adopts a kind of major diameter narrow slot type negative pressure hollow roller, can effectively realize that the fiber strip after drawing-off twists under compact state, significantly improve yarn quality; On the other hand, adopt the four row drawing rollers can be by two draw zones of original three laura structures: front draft zone and first break draft district, rise to three present draw zones: front draft zone, middle draw zone and first break draft district, effectively improve drafting multiple, the total draft multiple is the highest to be brought up to more than 300 times, thereby can realize that three kinds of general quantitative rove feed spinning simultaneously, effectively improve spinning efficiency.
The accompanying drawing explanation
Fig. 1 is the poly-spinning apparatus structural representations of the present invention four roller three rove feeding complete or collected works.
Fig. 2 is the cotton bellows structure schematic diagram of collection.
The specific embodiment
As depicted in figs. 1 and 2, the poly-spinning apparatus of a kind of four roller three rove feeding complete or collected works, install a kind of three horn mouth feeding units 4 additional in rear roller lever jack position; Drawing-off adopts four roller drafting mechanisms, comprise the first break draft roller pair formed by rear roller 6 and rear roller 15, in the narrow slot type malleation rear roller 7 with in after the middle first break draft roller pair that forms of roller 16, the middle front draft roller pair that in the narrow slot type negative pressure, front roller 8 and middle front leather roller 17 form, the front draft roller pair that narrow slot type negative pressure front roller 9 and front leather roller 26, resistance twist roller 18 form.Wherein, but above narrow slot type negative pressure front roller 9, between front leather roller 22 and resistance twist roller 18, contain the gas-flow deflector device 19 that a reinforcing fibre gathers; Install mechanical type magnetic collector 5 on rear roller 6 additional, in the narrow slot type malleation, rear roller 7 jaw places install additional and cut apart roller arrangement 10.Collect cotton bellows 13 with three air channels: the first air channel 14 is cotton for original collection, negative pressure is gathered for narrow slot type negative pressure front roller 9 provides in the second air channel 12, negative pressure is gathered for front roller 8 in the narrow slot type negative pressure provides in the 3rd air channel 23, for keeping the negative regulation of the cotton air draft system of collection, at the cotton bellows 13 of collection, contain the automatic cotton-sweeping equipment 11 of pressure sensitive simultaneously; Malleation air draft system 25 provides fiber to dispel malleation by air channel 24 for rear roller 7 in the narrow slot type malleation.Narrow slot type negative pressure front roller 9 is the steel hollow roller that a diameter is 50mm, surface of roller has the narrow groove of arranging according to certain rule, air draught assembly 20 is equipped with in its inside, during use, negative pressure is delivered to the narrow groove on narrow slot type negative pressure front roller 9 surfaces by air draught assembly 20, make by the fiber of surface of roller and realize gathering; In the narrow slot type negative pressure, front roller 8 is the steel hollow roller that a diameter is 25mm, surface of roller has the narrow groove of arranging according to certain rule, air draught assembly 21 is equipped with in its inside, during use, negative pressure is delivered to the narrow groove on front roller 8 surfaces in the narrow slot type negative pressure by air draught assembly 21, make by the fiber of surface of roller and realize gathering; In the narrow slot type malleation, rear roller 7 is the steel hollow roller that a diameter is 27mm, and air draught assembly 22 is equipped with in its inside, and during use, malleation is delivered to the narrow groove on rear roller 7 surfaces in the narrow slot type negative pressure by air draught assembly 22, make the fiber dispersion by surface of roller.
A kind of method that adopts the poly-spinning apparatus spun yarn of four roller three rove feeding complete or collected works, as shown in Figure 1, three rove A rove 1, B rove 2 and C rove 3 are fed from rear roller 6 by three horn mouth feeding units 4, after realize the tight set of three rove of feeding through the effect of the mechanical force of mechanical type magnetic collector 5, enter rear roller 7 in the narrow slot type malleation after the drawing-off that rove after set is less through back zone and arrangement, under the effect of malleation, spread out, the fiber disperseed enters cuts apart roller arrangement 10, realize beam splitting and the mixing of the fiber strip that BOH organization is crossed, then realize the even mixing of three rove of feeding, fiber strip after arrangement mixes gathers in front roller 8 under the effect of negative pressure and again closely after set, enters the proparea dominant draft after the drawing-off in middle district in the narrow slot type negative pressure, complete the drawing-off effect, fiber strip after drawing-off is twisted after the effect of closely gathering of narrow slot type negative pressure front roller 9, by twizzle, be wound on spool, obtain required colored yarn.
Below in conjunction with the specific embodiment, further set forth the present invention.Should be understood that these embodiment only are not used in and limit the scope of the invention for the present invention is described.Should be understood that in addition those skilled in the art can make various changes or modifications 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 limited range equally.
Embodiment 1: on TH558 tetra-roller four apron super draft ring throstles, to produce 6.47tex(90
s) colored yarn is example.Raw cotton: select Xinjiang Long staple cotton fineness 1.44dtex, principal length 38.2mm, be less than 20mm short fiber content 4.4%, fracture strength 24.4cN/tex, elongation at break 7.7%, mic value 3.4, regularity 78.1%.
The concrete technology step is as follows:
(1) pre-treatment
For the A rove, by the long-staple cotton fiber stained yellow, vexed putting 20 hours; For the C rove, long-staple cotton fiber is dyed to green, vexed putting 20 hours.
(2) opening picking
For the A rove, comprehensive hired roughneck's rotating speed 780r/min, hired roughneck's blade stretch out rib apart from 2.5mm, adopt the tooth-like hired roughneck's form of band saw of outer close interior rare distribution; Give between cotton roller and hired roughneck the 8mm that spaces, 11mm spaces between dirt rod and dirt rod, the 8mm of import department that spaces between dirt rod and hired roughneck, exit 18mm, the 0.9mm that spaces between pattern doffing roller and brad curtain, the 5mm that spaces between hired roughneck and brad curtain, the 68mm that spaces between brad curtain and cotton-pressing curtain, the 60mm that spaces between evener roller and brad curtain; Stripping Beater Speed 415r/min, evener roller speed 200r/min, fan speed 1250r/min; Cotton rolling quantity 415g/m, vertically irregular 1.05%, lap percentage elongation 2.85%, regain 8%.For the B rove, comprehensive hired roughneck's rotating speed 845r/min, hired roughneck's blade stretch out rib apart from 3.8mm, adopt the tooth-like hired roughneck's form of band saw of outer close interior rare distribution; Give between cotton roller and hired roughneck the 9.5mm that spaces, 12mm spaces between dirt rod and dirt rod, the 8.5mm of import department that spaces between dirt rod and hired roughneck, exit 19mm, the 1.4mm that spaces between pattern doffing roller and brad curtain, the 7.2mm that spaces between hired roughneck and brad curtain, the 74mm that spaces between brad curtain and cotton-pressing curtain, the 68mm that spaces between evener roller and brad curtain; Stripping Beater Speed 490r/min, evener roller speed 240r/min, fan speed 1320r/min; Cotton rolling quantity 415g/m, vertically irregular 1%, lap percentage elongation 3.15%, regain 8%.For the C rove, comprehensive hired roughneck's rotating speed 782r/min, hired roughneck's blade stretch out rib apart from 2.8mm, adopt the tooth-like hired roughneck's form of band saw of outer close interior rare distribution; Give between cotton roller and hired roughneck the 8mm that spaces, 10mm spaces between dirt rod and dirt rod, the 8mm of import department that spaces between dirt rod and hired roughneck, exit 18mm, the 0.95mm that spaces between pattern doffing roller and brad curtain, the 5.1mm that spaces between hired roughneck and brad curtain, the 70mm that spaces between brad curtain and cotton-pressing curtain, the 59mm that spaces between evener roller and brad curtain; Stripping Beater Speed 420r/min, evener roller speed 195r/min, fan speed 1300r/min; Cotton rolling quantity 415g/m, vertically irregular 1.02%, lap percentage elongation 3.0%, regain 8%.
(3) comb and parallel cotton fibers prior to spinning
For the A rove, cylinder rotating speed 445r/min, licker-in speed is 852r/min, cover plate speed 248mm/min, doffer speed 22r/min, cylinder～cover plate spaces 0.2,0.2,0.175,0.2,0.25mm, cylinder～licker-in 0.172mm that spaces, cylinder～doffer 0.12mm that spaces, cylinder-feed plate gauge 0.2mm, cotton rolling quantity 21g/5m; For the B rove, cylinder rotating speed 489r/min, licker-in speed is 920r/min, cover plate speed 275mm/min, doffer speed 27r/min, cylinder～cover plate spaces 0.25,0.25,0.2,0.25,0.3mm, cylinder～licker-in 0.175mm that spaces, cylinder～doffer 0.13mm that spaces, cylinder-feed plate gauge 0.3mm, cotton rolling quantity 21g/5m; For the C rove, cylinder rotating speed 450r/min, licker-in speed is 850r/min, cover plate speed 250mm/min, doffer speed 22r/min, cylinder～cover plate is every square 0.2,0.25,0.2,0.175,0.25mm, cylinder～licker-in 0.17mm that spaces, cylinder～doffer 0.12mm that spaces, cylinder-feed plate gauge 0.25mm, cotton rolling quantity 21g/5m.
(4) combing process
For the A rove, 8 of pre-drawing combined roots, bar volume adopt 28 pre-drawings and close, the combing speed of a motor vehicle 250 pincers/min, top comb density 36 pins/cm, adopt and advance to cotton mode, gives cotton length 6.0mm, the quantitative 20g/5m of yarn, linters rate 18%; For the B rove, the pre-drawing combined roots is 6, and bar volume adopt 24 pre-drawings and close, the combing speed of a motor vehicle 285 pincers/min, and top comb density 32 pins/cm, adopt and advance to cotton mode, gives cotton length 5.8mm, the quantitative 20g/5m of yarn, linters rate 15%; For the C rove, 8 of pre-drawing combined roots, bar volume adopt 28 pre-drawings and close, the combing speed of a motor vehicle 252 pincers/min, top comb density 36 pins/cm, adopt and advance to cotton mode, gives cotton length 6.1mm, the quantitative 20g/5m of yarn, linters rate 18%.
(5) mixing in doubling step
For the A rove, speed of a motor vehicle 685m/min, 8 of yarns also close, 8.3 times of drafting multiples, roller gauge 10 * 8 * 19mm, cotton strip quantity 19.2g/5m; For the B rove, speed of a motor vehicle 752m/min, 6 of yarns also close, 6.2 times of drafting multiples, roller gauge 10 * 8 * 19mm, cotton strip quantity is controlled at 19.2g/5m; For the C rove, speed of a motor vehicle 690m/min, 8 of yarns also close, 8.3 times of drafting multiples, roller gauge 10 * 8 * 19mm, cotton strip quantity is controlled at 19.2g/5m.
(6) Roving Frames
For the A rove, ingot speed 875r/min, regular roving feeding 5g/10m, roving twist factor is controlled at 100, roller gauge 23.5 * 32mm, 7.68 times of total draft multiples, 1.15 times of back zone drafting multiples; For the B rove, ingot speed 945r/min, regular roving feeding 5.0g/10m, roving twist factor 100, roller gauge 23.5 * 32mm, 7.68 times of total draft multiples, 1.2 times of back zone drafting multiples; For the C rove, ingot speed 880r/min, regular roving feeding 5.0g/10m, roving twist factor 100, roller gauge 23.5 * 32mm, 7.68 times of total draft multiples, 1.15 times of back zone drafting multiples.
(7) spinning process
Narrow slot type negative pressure front roller diameter 50mm, front roller diameter 25mm in the narrow slot type negative pressure, rear roller diameter 27mm in the narrow slot type malleation, the spacing 15mm between adjacent two horn mouth centers, between the pressure 1050Pa of the hollow middle rear roller of narrow slot type malleation, in the narrow slot type negative pressure before the negative pressure 1320Pa of hollow roller, the negative pressure 1800Pa of hollow roller before the narrow slot type negative pressure, cut apart the width 1.6mm of each separation trough in roller arrangement, momentum 2.0mm before front leather roller, the two ingots of reel cage pressure 210 * 120 * 120 * 140N/, diameter of ring 34mm, Hardness is 60 ± 3 degree, the two ingots of roller pressurization 180cN/, before in a roller gauge 10.5mm, in the two rear rollers 18.4mm that spaces in, in the two rear rollers 34.5mm that spaces, proparea adopts 6833E type pressure bar top pin, front nip gauge is 3.0mm, middle district adopts on the 6833B type sells, nip gauge is 2.5mm, 1.35 times of back area drafts, 2.5 times of intermediate drafts, 68.75 times of proparea drawing-offs, 232 times of total drafts, spun yarn twist factor 425, ingot speed 10800r/min, rings adopts PG1/23554, the steel traveler model adopts C1ELUdr10/0.
The spun yarn quality:
Claims (8)
1. roller three rove feeding complete or collected works gather spinning apparatus, comprise the first break draft roller pair formed by rear roller and rear roller, middle rear roller with in after the middle first break draft roller pair that forms of roller, the middle front draft roller pair that middle front roller and middle front leather roller form, the front draft roller pair that front roller and front leather roller, resistance twist roller form, add three adjustable horn mouth feeding units of spacing in rear roller lever jack position; It is characterized in that: add mechanical type magnetic collector on described rear roller, can realize the tight mixing of the rove of feeding; Described middle rear roller adopts narrow slot type malleation hollow roller, can realize that the yarn that BOH organization is crossed dispels; Described middle rear roller jaw place adds cuts apart roller arrangement, can realize the beam splitting of the fiber strip that dispelled out and evenly mix; Described middle front roller is narrow slot type negative pressure hollow roller, the gather effect of fiber strip before entering the proparea dominant draft after can realizing mixing; Described front roller adopts a kind of major diameter narrow slot type negative pressure hollow roller, can effectively realize that the fiber strip after drawing-off is twisted under compact state.
2. four roller three rove feeding complete or collected works according to claim 1 gather spinning apparatus, it is characterized in that: described narrow slot type negative pressure front roller diameter is 50mm, in described narrow slot type negative pressure, the front roller diameter is 25mm, and in described narrow slot type malleation, the rear roller diameter is 27mm.
3. four roller three rove feeding complete or collected works according to claim 1 gather spinning apparatus, it is characterized in that: the poly-spinning apparatus of described four roller three rove feeding complete or collected works also comprises the cotton air channel of collection, the cotton air channel of described collection has three air channels, is respectively used to integrate cotton, as front roller in narrow slot type negative pressure front roller and narrow slot type negative pressure, provides and gather negative pressure.
4. four roller three rove feeding complete or collected works according to claim 1 gather spinning apparatus, and it is characterized in that: in described narrow slot type malleation, the required fiber of rear roller dispels malleation is provided by independent positive pressure system.
5. one kind adopts claim 1-4 any one four roller three rove to feed the method that complete or collected works gather the spinning apparatus spun yarn, it is characterized in that: at spinning process, adopt three rove A rove, B rove and the C rove three horn mouth feeding units adjustable through spacing to feed from rear roller, through four roller three district's super drafts, obtain required yarn.
6. the method for the poly-spinning apparatus spun yarn of employing four roller three rove feeding complete or collected works according to claim 5, comprise the steps:
For the A rove: at first dyeed, then obtain required A rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
For the B rove: obtain required B rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
For the C rove: at first dyeed, then obtain required C rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
A rove, B rove and C rove left horn mouth, middle horn mouth and the right horn mouth in three horn mouths obtained fed from rear roller, through four roller three district's super drafts, obtain required yarn.
7. employing four roller three rove feeding complete or collected works according to claim 6 gather the method for spinning apparatus spun yarn, it is characterized in that:
(1) opening and cleaning step:
The technological principle of employing " how pine is few is beaten, combs less more "; Comprehensive hired roughneck's rotating speed is 760-880r/min, and hired roughneck's blade stretches out the distance of rib between 2-5mm, adopts the tooth-like hired roughneck's form of band saw of outer close interior rare distribution; Give between cotton roller and hired roughneck the 8-10mm that spaces, 10-13mm spaces between dirt rod and dirt rod, the 8-9mm of import department that spaces between dirt rod and hired roughneck, exit 18-20mm, the 0.8-1.8mm that spaces between pattern doffing roller and brad curtain, the 4-8mm that spaces between hired roughneck and brad curtain, the 65-78mm that spaces between brad curtain and cotton-pressing curtain, the 55-70mm that spaces between evener roller and brad curtain; Stripping Beater Speed 400-500r/min, evener roller speed 190-280r/min, fan speed 1250-1350r/min; Cotton rolling quantity is 410-430g/m, vertical irregular 0.8-1.2% that is controlled at, and the lap percentage elongation is controlled at 2.8-3.5%, regain 8-9%;
(2) carding step:
Adopt the technological principle of " light quantitatively, low velocity, space greatly, small tension receiving coil, shift, hinder less fiber soon "; Cylinder rotating speed 420-580r/min, licker-in speed is 800-980r/min, cover plate speed 220-290mm/min, doffer speed 20-28r/min, cylinder ~ cover plate is every square 0.2-0.3,0.2-0.25,0.175-0.25,0.175-0.25,0.2-0.3mm, cylinder ~ licker-in 0.17-0.18mm that spaces, cylinder ~ doffer 0.12-0.13mm that spaces, cylinder-feed plate gauge 0.2-0.3 mm, cotton rolling quantity is controlled at 19-23g/5m;
(3) combing process:
Adopt " soft combing, light quantitatively, low velocity, in space, the Gao Xici ratio " technological principle; The pre-drawing combined roots is the 6-8 root, bar volume adopt 24-28 root pre-drawing and close, the combing speed of a motor vehicle is controlled at 250-290 pincers/min, top comb density is controlled at 30 pins/cm-36 pin/cm, employing is advanced to cotton mode, give cotton length 5.5-6.5mm, the yarn quantitative is built in 18-22g/5m, and linters rate is controlled at 15%-20%;
(4) mixing in doubling step:
Mixing in doubling step adopts twice mixed also; The speed of a motor vehicle is controlled at 600-850m/min, and yarn 6-8 root also closes, and drafting multiple 5.8-8.6 times, roller gauge 10 * 8 * 19mm, cotton strip quantity is controlled at 19-23g/5m;
(5) Roving Frames:
Adopt " increase the twist, reduce the speed of a motor vehicle, suitably increase roller nip and space " technological principle; The ingot speed control is built in 850-980 r/min, and regular roving feeding is controlled at 4.0-5.5g/10m, and roving twist factor is controlled at 80-110, roller gauge 23.5 * 32mm, and the total draft multiple is controlled at 6-12 doubly, and back zone drafting multiple is controlled at 1.1-1.3 doubly;
(6) spinning process:
By the A rove, B rove and the C rove left horn mouth in three horn mouths, middle horn mouth and right horn mouth feed from rear roller, described mechanical type magnetic collector relies on the effect of mechanical force to realize the tight mixing of feeding rove, the drawing-off that rove after set is less through back zone and arrangement enter middle rear roller, the yarn that BOH organization is crossed dispels, again by cutting apart roller arrangement, the beam splitting of the fiber strip after realization dispels and mixing, thereby realize the even mixing of three rove of feeding, hollow roller before fiber strip after mixing enters in the narrow slot type negative pressure after the drawing-off in middle district, fiber strip after realizing mixing under the effect of gathering negative pressure entering closely gathering before the dominant draft of proparea, fiber strip after gathering enters the hollow front roller of major diameter narrow slot type negative pressure through the effect of proparea dominant draft, complete the drawing-off effect, realize that the fiber strip after drawing-off twists under compact state, significantly improve yarn quality, especially improve into Yarn Evenness, the pressure of the hollow middle rear roller of narrow slot type malleation is between 1000-1200Pa, before in the narrow slot type negative pressure, the negative pressure of hollow roller is between 1200-1400Pa, before the narrow slot type negative pressure, the negative pressure of hollow roller, between 1600-2000Pa, is cut apart the width of each separation trough in roller arrangement between 1-2mm, before front leather roller momentum be controlled at 0 to after move between 2.5mm, the two ingots of reel cage pressure 210 * 120 * 120 * 140N/, diameter of ring 34mm, Hardness is 60 ± 3 degree, the two ingots of roller pressurization 180cN/, before in a roller gauge 10-11mm, in the two rear rollers 14.2-28.5mm that spaces in, in the two rear rollers 32-38mm that spaces, proparea adopts 6833E type pressure bar top pin, front nip gauge is 2.5-3.5mm, middle district adopts on the 6833B type sells, nip gauge is 2-3mm, back area draft is controlled at 1.1-1.4 doubly, intermediate draft is controlled at 1.1-2.5 doubly, the proparea drawing-off is controlled at 10-75 doubly, total draft is controlled at 150-300 doubly, spun yarn twist factor 385-445, ingot speed 10500-12500r/min, rings adopts PG1/2 3554, the steel traveler model adopts C1 ELUdr10/0.
8. a color yarn that adopts claim 5-7 any one spinning method spinning, it is characterized in that: described color yarn adopts the poly-spinning apparatus spinning of four roller three rove feeding complete or collected works; Described A rove, B rove and at least one color of C rove; Described three kinds of rove all comprise the Xinjiang Long staple cotton of weight ratio 100%.
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| CN105755617A (en) * | 2016-04-25 | 2016-07-13 | 江阴市茂达棉纺厂有限公司 | Production process for AB base yarn section color yarn |
| CN107190370A (en) * | 2017-07-26 | 2017-09-22 | 江苏凯宫机械股份有限公司 | The adjustable drawing-off hitch gear of intelligent combing machine |
| CN107447305A (en) * | 2017-09-19 | 2017-12-08 | 新疆溢达纺织有限公司 | The Nesting Zone synchronization traversing drafting system of negative pressure type compact spinning |
| CN113638084A (en) * | 2021-10-15 | 2021-11-12 | 南通凌通纺织机械制造有限公司 | Apparatus for producing of covering yarn |
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| CN114351309A (en) * | 2021-12-06 | 2022-04-15 | 广东职业技术学院 | Preparation method of equal linear density yarn with variable blending ratio |
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| CN114351309A (en) * | 2021-12-06 | 2022-04-15 | 广东职业技术学院 | Preparation method of equal linear density yarn with variable blending ratio |
| CN114351309B (en) * | 2021-12-06 | 2023-03-21 | 广东职业技术学院 | Preparation method of equal linear density yarn with variable blending ratio |
| CN114908451A (en) * | 2022-02-23 | 2022-08-16 | 江苏工程职业技术学院 | Spinning method of short fiber yarn core ring spindle covering yarn based on drawing process |
| CN114908451B (en) * | 2022-02-23 | 2024-03-22 | 江苏工程职业技术学院 | Spinning method of staple yarn core ring spindle core spun yarn based on drawing process |
| CN115449927A (en) * | 2022-10-13 | 2022-12-09 | 泰安顺茂新材料技术有限公司 | Yarn twisting method |
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