CN103469382B - 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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- CN103469382B CN103469382B CN201310408927.4A CN201310408927A CN103469382B CN 103469382 B CN103469382 B CN 103469382B CN 201310408927 A CN201310408927 A CN 201310408927A CN 103469382 B CN103469382 B CN 103469382B
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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 ring spinning new technical field, a kind of four roller three rove feed full collecting-spinning device specifically, and three rove feed four roller super draft colored yarn and production methods thereof.
Background technology
Along with the raising day by day of socioeconomic development and living standards of the people, the consumption idea of people is constantly updated, quality of life and living environment are more and more paid attention to, more and more higher to the Functional Requirement of clothes, especially the requirement of the aspect such as antibacterial, health care, feel, quality of clothes is constantly improved.On the other hand, along with continuing to increase of market competition is strengthened gradually with China textile industry structural adjustment investment, be improve added value of product and the market competitiveness, yarn variety is gradually to highly-branched, differentiation future development.Therefore, adopt blending method by being combined by the fiber of several difference in functionality, raising produce yarn or fabric combination property come into one's own gradually.
The RING SPINNING being realized twisting by spindle rotation is spinning method the most traditional, also be on current market consumption at most, the most general spinning method, technology is very ripe, although there is the Advanced Spinning Technologies that a lot of production efficiency is high, technological process is short at present, as Revolving cup spinning, Air-Jet Spinning etc., especially Air-Jet Spinning, employing High Rotation Speed air-flow makes fibre bundle false twisting looping resultant yarn and revolutionizes the twisting mechanism of RING SPINNING, but these spinning methods still cannot replace RING SPINNING on adaptability to raw materials and yarn oeverall quality.Therefore, current RING SPINNING remains the topmost spun yarn mode of production.The most popular problem of current textile industry by improving to realize the production of high-quality spun yarn to traditional ring spinning technology.
Drafting system is the important component part of fine spining machine work, and its performance directly has influence on yarn quality.Fine spining machine general at present all adopts three roller draft forms, comprising the two rubber ring structure of three common rollers and three roller four rubber ring structures that can realize 80 ~ 100 times of high drafts.The two rubber ring structure of three common rollers is 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 friction field at middle part more weak, drafting multiple is generally less than 1.4 times, this is unfavorable to the total drafting multiple improving fine spining machine, and thus its total draft multiple is between 20 ~ 50.In order to solve the low problem of back area draft ability, at Chinese patent " for high-count worsted machine involve device " (number: 96107383) with " fine spining machine four tape drawing mechanism " (number: individually disclose a kind of three roller three-aprons and three roller four tape drawing mechanisms 012439010), preferably resolve the problem that the back area draft ability of three roller form drafters is weak, make total draft multiple to bring up to 100.But, because it adopts three roller forms, also namely only have two draw zones, thus can not realize super draft.At Chinese patent " fine spining machine four apron high draft device " (number: disclose a kind of four apron high draft mechanisms for fine spining machine 200520073617.2), total draft multiple is brought up to 150.But the requirement that the development of textile raw material is new can't be met.
For this, the present invention adopts on a kind of super draft fine spining machine comprising four roller four apron three district weighing draft, adopts three rove feeding technology productions a kind ofly not only to have multicolour effect but also have the yarn that excellent bar does uniformity, and provides corresponding spinning method.
Summary of the invention
The object of the invention is the color yarn providing a kind of four roller three rove of high draft to feed full collecting-spinning device, adopt the spinning method of this device and adopt this device to spin for the defect of prior art.
The present invention for achieving the above object, adopts following technical scheme:
A kind of four roller three rove feed full collecting-spinning device, comprise the first break draft roller pair be made up of 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 traction roller pair that middle front roller and middle front leather roller form, the front traction roller pair that front roller and front leather roller, resistance twist roller form, adds the three horn mouth feeding units that spacing is adjustable in rear roller lever jack position; It is characterized in that: described rear roller adds mechanical type magnetic collector, the tight mixing of the rove fed can be realized; Described middle rear roller adopts narrow slot type malleation hollow roller, and the yarn that BOH organization can be realized to cross dispels; Described middle rear roller jaw place adds segmentation roller arrangement, can realize by the beam splitting of fiber strip that dispels out and Homogeneous phase mixing; Described middle front roller is narrow slot type negative pressure hollow roller, can realize the fiber strip after mixing and gather effect before entry before district's dominant draft; Described front roller adopts a kind of major diameter narrow slot type negative pressure hollow roller, and the fiber strip after can effectively realizing 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, front roller diameter is 25mm, and in described narrow slot type malleation, rear roller diameter is 27mm.
Further: described four roller three rove feed full collecting-spinning device and also comprise the cotton air channel of collection, the cotton air channel of described collection has three air channels, is respectively used to integrate cotton, provide gather negative pressure as front roller in narrow slot type negative pressure front roller and narrow slot type negative pressure.
Fiber in described narrow slot type malleation needed for rear roller dispels malleation and is provided by independent positive pressure system.
A kind of employing four roller three rove feed the method for full collecting-spinning device spun yarn, it is characterized in that: adopt three rove A rove, B rove and C rove to feed from rear roller through the three horn mouth feeding units that spacing is adjustable at spinning process, obtain required yarn through four roller three district super drafts.
It comprises the steps:
For A rove: first dye, then obtain required A rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
For B rove: obtain required B rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
For C rove: first dye, then obtain required C rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
The A rove obtained, B rove and the C rove left horn mouth in three horn mouths, middle horn mouth and right horn mouth are fed from rear roller, obtains required yarn through four roller three district super drafts.
Above-mentioned concrete steps are:
(1) opening and cleaning step:
Adopt the technological principle of " how pine beats less, how comb falls less "; 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; The spacer 8-10mm of feed roll motor and hired roughneck, the spacer 10-13mm of dirt rod and dirt rod, the import department 8-9mm 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, and longitudinal direction is irregular to be controlled at 0.8-1.2%, and lap percentage elongation controls 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, fast transfer, hinder fiber less "; 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, and cylinder ~ licker-in spaces 0.17-0.18mm, and cylinder ~ doffer is spaced 0.12-0.13mm, cylinder-feed plate gauge 0.2-0.3mm, cotton rolling quantity controls at 19-23g/5m;
(3) combing process:
Adopt " soft combing, light quantitatively, low velocity, in space, Gao Xici than " technological principle; Pre-drawing combined roots is 6-8 root, bar is also rolled up employing 24-28 root pre-drawing and closes, the combing speed of a motor vehicle controls at 250-290 pincers/min, top comb density domination is at 30 pins/cm-36 pin/cm, adopt and advance to cotton mode, to cotton length 5.5-6.5mm, yarn fixing quantity is at 18-22g/5m, and linters rate controls at 15%-20%;
(4) mixing in doubling step:
Mixing in doubling step adopts twice mixed also; The speed of a motor vehicle controls at 600-850m/min, and yarn 6-8 root also closes, drafting multiple 5.8-8.6 times, roller gauge 10 × 8 × 19mm, and cotton strip quantity controls at 19-23g/5m;
(5) Roving Frames:
Adopt " increase the twist, the reduction speed of a motor vehicle, suitably increase roller nip are spaced " technological principle; Ingot speed control is built in 850-980r/min, and regular roving feeding controls at 4.0-5.5g/10m, and roving twist factor controls at 80-110, roller gauge 23.5 × 32mm, and total draft multiple controls at 6-12 doubly, and back zone drafting multiple controls at 1.1-1.3 doubly;
(6) spinning process:
By 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 crossed by BOH organization dispels, again by segmentation roller arrangement, realize beam splitting and the mixing of the fiber strip after dispelling, thus realize the Homogeneous phase mixing of three rove of feeding, fiber strip after mixing enters hollow roller before in narrow slot type negative pressure after the drawing-off in middle district, closely gathering before the dominant draft of district before entry of the fiber strip realize mixing under the effect gathering negative pressure after, 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 drawing-off effect, realize the fiber strip after drawing-off to twist under compact state, significantly improve yarn quality, especially resultant yarn strand is improved, the pressure of the hollow middle rear roller of narrow slot type malleation is between 1000-1200Pa, before in narrow slot type negative pressure, the negative pressure of hollow roller is between 1200-1400Pa, before narrow slot type negative pressure, the negative pressure of hollow roller is between 1600-2000Pa, and in segmentation roller arrangement, the width of each separation trough is between 1-2mm, before front leather roller momentum control 0 to after move between 2.5mm, the two ingot of reel cage pressure 210 × 120 × 120 × 140N/, diameter of ring 34mm, Hardness is 60 ± 3 degree, the two ingot of roller loading 180cN/, before in a roller gauge 10-11mm, in in one two rear rollers to space 14.2-28.5mm, in two rear rollers to space 32-38mm, proparea adopts 6833E type pressure bar top pin, front nip gauge is 2.5-3.5mm, middle district adopts in 6833B type sells, nip gauge is 2-3mm, back area draft controls at 1.1-1.4 doubly, intermediate draft controls at 1.1-2.5 doubly, proparea drawing-off controls at 10-75 doubly, total draft controls at 150-300 doubly, yarn twist factor 385-445, ingot speed 10500-12500r/min, rings adopts PG1/23554, steel traveler model adopts C1ELUdr10/0.
Adopt the color yarn that above-mentioned spinning method spins, it is characterized in that: described color yarn adopts four roller three rove to feed full collecting-spinning device spinning; Described A rove, B rove and C rove at least two kinds dye; Described three kinds of rove all comprise the Xinjiang Long staple cotton of weight ratio 100%.
The present invention four roller three rove feeds full collecting-spinning device and spinning method and can realize three rove and feed spinning simultaneously, effectively improves Yarn color style, practical requirement, improves yarn added value.In spinning process part, adopt four roller four apron three district weighing draft can realize 30-300 super draft doubly by drawing-off part, be that three rove big ration feeding spinning lay the foundation, effectively promote spinning efficiency.Simultaneously by installing a kind of mechanical type magnetic collector additional at rear roller, and the drawing-off arrangement of three rove coordinating segmentation roller arrangement that in narrow slot type malleation, rear roller and corresponding jaw place install additional can realize feeding in back zone and Homogeneous phase mixing, middle front roller adopts narrow slot type negative pressure hollow roller, the brought close effect of fiber strip before entry before district's dominant draft after mixing can be realized, front roller adopts a kind of major diameter narrow slot type negative pressure hollow roller, fiber strip after can effectively realizing drawing-off is twisted under compact state, significantly improves yarn quality; On the other hand, adopt four row drawing rollers can 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, effective raising drafting multiple, total draft multiple is the highest brings up to more than 300 times, thus three kinds of general quantitative rove can be realized feed spinning simultaneously, effectively improve spinning efficiency.
Accompanying drawing explanation
Fig. 1 is that the present invention four roller three rove feeds full collecting-spinning device structural representation.
Fig. 2 is the cotton bellows structure schematic diagram of collection.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of four roller three rove feed full collecting-spinning device, 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 be made up of rear roller 6 and rear roller 15, in 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 traction roller pair that in narrow slot type negative pressure, front roller 8 and middle front leather roller 17 form, the front traction roller pair that narrow slot type negative pressure front roller 9 and front leather roller 26, resistance twist roller 18 form.Wherein, above narrow slot type negative pressure front roller 9, can the gas-flow deflector device 19 that gathers of reinforcing fibre containing one between front leather roller 26 and resistance twist roller 18; Rear roller 6 installs additional mechanical type magnetic collector 5, and in narrow slot type malleation, rear roller 7 jaw place installs segmentation roller arrangement 10 additional.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 second air channel 12, negative pressure is gathered for front roller 8 in narrow slot type negative pressure provides in 3rd air channel 23, simultaneously for keeping the negative regulation of the cotton air draft system of collection, containing the automatic cotton-sweeping equipment 11 of pressure sensitive in the cotton bellows 13 of collection; Malleation air draft system 25 by air channel 24 for rear roller 7 in narrow slot type malleation provides fiber to dispel malleation.The steel hollow roller of narrow slot type negative pressure front roller 9 to be a diameter be 50mm, surface of roller has the narrow groove according to certain rule arrangement, 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 surface by air draught assembly 20, makes to realize gathering by the fiber of surface of roller; The steel hollow roller of front roller 8 to be a diameter be 25mm in narrow slot type negative pressure, surface of roller has the narrow groove according to certain rule arrangement, air draught assembly 21 is equipped with in its inside, during use, negative pressure is delivered to the narrow groove on front roller 8 surface in narrow slot type negative pressure by air draught assembly 21, makes to realize gathering by the fiber of surface of roller; The steel hollow roller of rear roller 7 to be a diameter be 27mm in narrow slot type malleation, air draught assembly 22 is equipped with in its inside, and during use, malleation is delivered to the narrow groove on rear roller 7 surface in narrow slot type negative pressure by air draught assembly 22, makes the fiber dispersion by surface of roller.
A kind of employing four roller three rove feed the method for full collecting-spinning device spun yarn, 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 to realize the brought close of three rove of feeding through the effect of the mechanical force of mechanical type magnetic collector 5, rove after set enters rear roller 7 in narrow slot type malleation through the less drawing-off in back zone with after arranging, spread out under the effect of malleation, the fiber of dispersion enters segmentation roller arrangement 10, realize beam splitting and the mixing of the fiber strip that BOH organization is crossed, then the Homogeneous phase mixing of three rove fed is realized, the fiber strip arranged after mixing enters proparea dominant draft to gather under the effect of negative pressure again brought close in front roller 8 in narrow slot type negative pressure after the drawing-off in middle district after, complete 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, be wound on spool by twizzle, obtain required colored yarn.
Below in conjunction with detailed description of the invention, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1: to produce 6.47tex (90 on TH558 tetra-roller four apron super draft ring throstle
s) colored yarn is example.Raw cotton: select Xinjiang Long staple cotton fineness 1.44dtex, principal length 38.2mm, is 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%.
Concrete technology step is as follows:
(1) pre-treatment
For A rove, by long-staple cotton fiber stained yellow, vexedly put 20 hours; For C rove, long-staple cotton fiber is dyed green, vexedly put 20 hours.
(2) opening picking
For A rove, comprehensive hired roughneck's rotating speed 780r/min, hired roughneck's blade stretches out the distance 2.5mm of rib, adopts the tooth-like hired roughneck's form of band saw of outer close interior rare distribution; The spacer 8mm of feed roll motor and hired roughneck, the spacer 11mm of dirt rod and dirt rod, the import department 8mm 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, longitudinal irregular 1.05%, lap percentage elongation 2.85%, regain 8%.For B rove, comprehensive hired roughneck's rotating speed 845r/min, hired roughneck's blade stretches out the distance 3.8mm of rib, adopts the tooth-like hired roughneck's form of band saw of outer close interior rare distribution; The spacer 9.5mm of feed roll motor and hired roughneck, the spacer 12mm of dirt rod and dirt rod, the import department 8.5mm 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, longitudinal irregular 1%, lap percentage elongation 3.15%, regain 8%.For C rove, comprehensive hired roughneck's rotating speed 782r/min, hired roughneck's blade stretches out the distance 2.8mm of rib, adopts the tooth-like hired roughneck's form of band saw of outer close interior rare distribution; The spacer 8mm of feed roll motor and hired roughneck, the spacer 10mm of dirt rod and dirt rod, the import department 8mm 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, longitudinal irregular 1.02%, lap percentage elongation 3.0%, regain 8%.
(3) comb and parallel cotton fibers prior to spinning
For A rove, cylinder rotating speed 445r/min, licker-in speed is 852r/min, cover plate speed 248mm/min, doffer speed 22r/min, cylinder ~ Flat Gauge 0.2,0.2,0.175,0.2,0.25mm, cylinder ~ licker-in spaces 0.172mm, cylinder ~ doffer is spaced 0.12mm, cylinder-feed plate gauge 0.2mm, cotton rolling quantity 21g/5m; For B rove, cylinder rotating speed 489r/min, licker-in speed is 920r/min, cover plate speed 275mm/min, doffer speed 27r/min, cylinder ~ Flat Gauge 0.25,0.25,0.2,0.25,0.3mm, cylinder ~ licker-in spaces 0.175mm, cylinder ~ doffer is spaced 0.13mm, cylinder-feed plate gauge 0.3mm, cotton rolling quantity 21g/5m; For 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 every square 0.2,0.25,0.2,0.175,0.25mm, cylinder ~ licker-in spaces 0.17mm, cylinder ~ doffer is spaced 0.12mm, cylinder-feed plate gauge 0.25mm, cotton rolling quantity 21g/5m.
(4) combing process
For A rove, pre-drawing combined roots 8, bar is also rolled up employing 28 pre-drawings and closes, and the combing speed of a motor vehicle 250 clamps secondary/min, top comb density 36 pins/cm, adopts and advances to cotton mode, to cotton length 6.0mm, the quantitative 20g/5m of yarn, linters rate 18%; For B rove, pre-drawing combined roots is 6, and bar is also rolled up employing 24 pre-drawings and closes, and the combing speed of a motor vehicle 285 clamps secondary/min, top comb density 32 pins/cm, adopts and advances to cotton mode, to cotton length 5.8mm, and the quantitative 20g/5m of yarn, linters rate 15%; For C rove, pre-drawing combined roots 8, bar is also rolled up employing 28 pre-drawings and closes, and the combing speed of a motor vehicle 252 clamps secondary/min, top comb density 36 pins/cm, adopts and advances to cotton mode, to cotton length 6.1mm, the quantitative 20g/5m of yarn, linters rate 18%.
(5) mixing in doubling step
For A rove, speed of a motor vehicle 685m/min, yarn 8 also closes, drafting multiple 8.3 times, roller gauge 10 × 8 × 19mm, cotton strip quantity 19.2g/5m; For B rove, speed of a motor vehicle 752m/min, yarn 6 also closes, drafting multiple 6.2 times, roller gauge 10 × 8 × 19mm, and cotton strip quantity controls at 19.2g/5m; For C rove, speed of a motor vehicle 690m/min, yarn 8 also closes, and drafting multiple 8.3 times, roller gauge 10 × 8 × 19mm, cotton strip quantity controls at 19.2g/5m.
(6) Roving Frames
For A rove, ingot speed 875r/min, regular roving feeding 5g/10m, roving twist factor controls 100, roller gauge 23.5 × 32mm, total draft multiple 7.68 times, back zone drafting multiple 1.15 times; For B rove, ingot speed 945r/min, regular roving feeding 5.0g/10m, roving twist factor 100, roller gauge 23.5 × 32mm, total draft multiple 7.68 times, back zone drafting multiple 1.2 times; For C rove, ingot speed 880r/min, regular roving feeding 5.0g/10m, roving twist factor 100, roller gauge 23.5 × 32mm, total draft multiple 7.68 times, back zone drafting multiple 1.15 times.
(7) spinning process
Narrow slot type negative pressure front roller diameter 50mm, front roller diameter 25mm in narrow slot type negative pressure, rear roller diameter 27mm in 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, the negative pressure 1320Pa of hollow roller, the negative pressure 1800Pa of hollow roller before narrow slot type negative pressure before in narrow slot type negative pressure, the width 1.6mm of each separation trough in segmentation roller arrangement, momentum 2.0mm before front leather roller, the two ingot of reel cage pressure 210 × 120 × 120 × 140N/, diameter of ring 34mm, Hardness is 60 ± 3 degree, the two ingot of roller loading 180cN/, before in a roller gauge 10.5mm, in in one two rear rollers to space 18.4mm, in two rear rollers to space 34.5mm, proparea adopts 6833E type pressure bar top pin, front nip gauge is 3.0mm, middle district adopts in 6833B type sells, nip gauge is 2.5mm, back area draft 1.35 times, intermediate draft 2.5 times, proparea drawing-off 68.75 times, total draft 232 times, yarn twist factor 425, ingot speed 10800r/min, rings adopts PG1/23554, steel traveler model adopts C1ELUdr10/0.
Quality of spun yarn:
Claims (8)
1. roller three rove feeds full collecting-spinning device, comprise the first break draft roller pair be made up of 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 traction roller pair that middle front roller and middle front leather roller form, the front traction roller pair that front roller and front leather roller, resistance twist roller form, adds the three horn mouth feeding units that spacing is adjustable in rear roller lever jack position; It is characterized in that: described rear roller adds mechanical type magnetic collector, for realizing the tight mixing feeding rove; Described middle rear roller adopts narrow slot type malleation hollow roller, dispels for the yarn realizing BOH organization to cross; Described middle rear roller jaw place adds segmentation roller arrangement, for realizing by the beam splitting of fiber strip that dispels out and Homogeneous phase mixing; Described middle front roller is narrow slot type negative pressure hollow roller, gathers effect for realizing the fiber strip after mixing before entry before district's dominant draft; Described front roller adopts a kind of major diameter narrow slot type negative pressure hollow roller, twists under compact state for realizing the fiber strip after drawing-off.
2. four roller three rove according to claim 1 feed full collecting-spinning device, it is characterized in that: described narrow slot type negative pressure front roller diameter is 50mm, in described narrow slot type negative pressure, front roller diameter is 25mm, and in described narrow slot type malleation, rear roller diameter is 27mm.
3. four roller three rove according to claim 1 feed full collecting-spinning device, it is characterized in that: described four roller three rove feed full collecting-spinning device and also comprise the cotton air channel of collection, the cotton air channel of described collection has three air channels, is respectively used to integrate cotton, provide gather negative pressure as front roller in narrow slot type negative pressure front roller and narrow slot type negative pressure.
4. four roller three rove according to claim 1 feed full collecting-spinning device, it is characterized in that: the fiber in described narrow slot type malleation needed for rear roller dispels malleation and provided by independent positive pressure system.
5. the method adopting any one of claim 1-4 four roller three rove to feed full collecting-spinning device spun yarn, it is characterized in that: adopt three rove A rove, B rove and C rove to feed from rear roller through the three horn mouth feeding units that spacing is adjustable at spinning process, obtain required yarn through four roller three district super drafts.
6. employing four roller three rove according to claim 5 feeds the method for full collecting-spinning device spun yarn, comprises the steps:
For A rove: first dye, then obtain required A rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
For B rove: obtain required B rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
For C rove: first dye, then obtain required C rove through opening picking, comb and parallel cotton fibers prior to spinning, combing, drafting and Roving Frames successively;
The A rove obtained, B rove and the C rove left horn mouth in three horn mouths, middle horn mouth and right horn mouth are fed from rear roller, obtains required yarn through four roller three district super drafts.
7. employing four roller three rove according to claim 6 feeds the method for full collecting-spinning device spun yarn, it is characterized in that:
(1) opening and cleaning step:
Adopt the technological principle of " how pine beats less, how comb falls less "; 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; The spacer of feed roll motor and hired roughneck is 8-10mm, dirt rod is 10-13mm with the spacer of dirt rod, between dirt rod and hired roughneck to space in import department be 8-9mm, be 18-20mm in exit, space for 0.8-1.8mm between pattern doffing roller and brad curtain, space for 4-8mm between hired roughneck and brad curtain, space for 65-78mm between brad curtain and cotton-pressing curtain, space for 55-70mm between evener roller and brad curtain; Stripping Beater Speed is 400-500r/min, and evener roller speed is 190-280r/min, and fan speed is 1250-1350r/min; Cotton rolling quantity is 410-430g/m, and longitudinal direction is irregular to be controlled at 0.8-1.2%, and lap percentage elongation controls at 2.8-3.5%, and regain is 8-9%;
(2) carding step:
Adopt the technological principle of " light quantitatively, low velocity, space greatly, small tension receiving coil, fast transfer, hinder fiber less "; Cylinder rotating speed is 420-580r/min, licker-in speed is 800-980r/min, cover plate speed is 220-290mm/min, doffer speed is 20-28r/min, cylinder-Flat Gauge is followed successively by 0.2-0.3mm, 0.2-0.25mm, 0.175-0.25mm, 0.175-0.25mm, 0.2-0.3mm, and cylinder-licker-in spaces for 0.17-0.18mm, and cylinder-doffer is spaced for 0.12-0.13mm, cylinder-feed plate gauge is 0.2-0.3 mm, and cotton rolling quantity controls at 19-23g/5m;
(3) combing process:
Adopt " soft combing, light quantitatively, low velocity, in space, Gao Xici than " technological principle; Pre-drawing combined roots is 6-8 root, bar is also rolled up employing 24-28 root pre-drawing and closes, the combing speed of a motor vehicle controls at 250-290 pincers/min, top comb density domination is at 30 pins/cm-36 pin/cm, adopt and advance to cotton mode, be 5.5-6.5mm to cotton length, yarn fixing quantity is at 18-22g/5m, and linters rate controls at 15%-20%;
(4) mixing in doubling step:
Mixing in doubling step adopts twice mixed also; The speed of a motor vehicle controls at 600-850m/min, and yarn 6-8 root also closes, and doubly, roller gauge is 10mm × 8mm × 19mm to drafting multiple 5.8-8.6, and cotton strip quantity controls at 19-23g/5m;
(5) Roving Frames:
Adopt " increase the twist, the reduction speed of a motor vehicle, suitably increase roller nip are spaced " technological principle; Ingot speed control is built in 850-980 r/min, and regular roving feeding controls at 4.0-5.5g/10m, and roving twist factor controls at 80-110, and roller gauge is 23.5mm × 32mm, and total draft multiple controls at 6-12 doubly, and back zone drafting multiple controls at 1.1-1.3 doubly;
(6) spinning process:
By 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 crossed by BOH organization dispels, again by segmentation roller arrangement, realize beam splitting and the mixing of the fiber strip after dispelling, thus realize the Homogeneous phase mixing of three rove of feeding, fiber strip after mixing enters hollow roller before in narrow slot type negative pressure after the drawing-off in middle district, fiber strip realize mixing under the effect gathering negative pressure after closely gathering before entry before district's dominant draft, 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 drawing-off effect, realize the fiber strip after drawing-off to twist under compact state, significantly improve yarn quality, improve resultant yarn strand, the pressure of the hollow middle rear roller of narrow slot type malleation is between 1000-1200Pa, before in narrow slot type negative pressure, the negative pressure of hollow roller is between 1200-1400Pa, before narrow slot type negative pressure, the negative pressure of hollow roller is between 1600-2000Pa, and in segmentation roller arrangement, the width of each separation trough is between 1-2mm, before front leather roller, momentum controls between 0-2.5mm, reel cage pressure is the two ingot of 210N × 120N × 120N × 140N/, diameter of ring is 34mm, roller shore hardness is 60 ± 3 degree, roller loading is the two ingot of 180cN/, the spacer of front roller and middle front roller is 10-11mm, the spacer of middle front roller and middle rear roller is 14.2-28.5mm, the spacer of middle rear roller and rear roller is 32-38mm, proparea adopts 6833E type pressure bar top pin, front nip gauge is 2.5-3.5mm, middle district adopts in 6833B type sells, nip gauge is 2-3mm, back area draft controls at 1.1-1.4 doubly, intermediate draft controls at 1.1-2.5 doubly, proparea drawing-off controls at 10-75 doubly, total draft controls at 150-300 doubly, yarn twist factor 385-445, ingot speed is 10500-12500r/min, rings adopts PG1/2 3554, steel traveler model adopts C1 ELUdr10/0.
8. the color yarn adopting the method for any one of claim 5-7 spun yarn to spin, is characterized in that: described color yarn adopts four roller three rove to feed full collecting-spinning device spinning; Described A rove, B rove and C rove have two kinds of colors at least; Described three kinds of rove all comprise the Xinjiang Long staple cotton of weight ratio 100%.
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| CN103820891B (en) * | 2014-03-06 | 2015-03-04 | 江南大学 | Three-stage traction spinning method |
| CN104831436B (en) * | 2015-05-15 | 2017-03-08 | 江南大学 | A kind of production method of colorful spun silk yarn |
| CN105755617B (en) * | 2016-04-25 | 2018-01-09 | 江阴市茂达棉纺厂有限公司 | A kind of production technology of AB bases yarn section coloured yarn |
| CN107190370B (en) * | 2017-07-26 | 2023-06-06 | 江苏凯宫机械股份有限公司 | Adjustable drafting hook mechanism of intelligent comber |
| 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 |
| TR202009424A2 (en) * | 2020-06-17 | 2021-12-21 | Dokuz Eyluel Ueniversitesi Rektoerluegue | Three roving compact yarn production method and system |
| CN113638084B (en) * | 2021-10-15 | 2021-12-10 | 南通凌通纺织机械制造有限公司 | Apparatus for producing of covering yarn |
| 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 |
| 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 |
| CN115449927B (en) * | 2022-10-13 | 2024-03-08 | 泰安顺茂新材料集团有限公司 | Yarn twisting method |
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| JPS59157331A (en) * | 1983-02-21 | 1984-09-06 | Murata Mach Ltd | Drafting mechanism in spinning frame |
| AT402949B (en) * | 1995-01-25 | 1997-09-25 | Fehrer Ernst | STRETCHER FOR A RING SPIDER |
| JP2010163702A (en) * | 2009-01-13 | 2010-07-29 | Murata Machinery Ltd | Drafter |
| CN102644134B (en) * | 2012-05-22 | 2014-10-29 | 江南大学 | Four-roller oversized drafting compact spinning device |
| CN202610431U (en) * | 2012-05-22 | 2012-12-19 | 江南大学 | Four-roller super-large drafting tight spinning device |
| CN202610433U (en) * | 2012-05-22 | 2012-12-19 | 江南大学 | Cotton-collecting double airduct device suitable for compact spinning system modification of ring spinning frame |
| CN202786571U (en) * | 2012-08-03 | 2013-03-13 | 江南大学 | Whole-course airflow gathering control drafting device |
| CN203487299U (en) * | 2013-09-10 | 2014-03-19 | 江南大学 | Four-roller three-rough-yarn feeding fully-gathered spinning device |
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