CN102691143B - Method for improving performances of yarns formed by vortex spinning - Google Patents
Method for improving performances of yarns formed by vortex spinning Download PDFInfo
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- CN102691143B CN102691143B CN201210173620.6A CN201210173620A CN102691143B CN 102691143 B CN102691143 B CN 102691143B CN 201210173620 A CN201210173620 A CN 201210173620A CN 102691143 B CN102691143 B CN 102691143B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
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Abstract
The invention relates to a method for improving performances of yarns formed by vortex spinning by reducing the modulus and the rigidity of fibers on line and belongs to the field of textile processing. According to the method disclosed by the invention, a sectional softening treatment method is applied for carrying out progressive softening treatment on fibers subjected to vortex spinning on a vortex spinning machine, and thus the fiber modulus and the bending rigidity are quickly reduced on line and the performances of the resultant yarns prepared from fibers by vortex are improved. For a vortex yarn structure, the structure compactness is improved, the yarn strength is enhanced and residual torque of the yarns is small; in addition, the non-spinning fibers can be subjected to vortex spinning on the vortex spinning machine; the fibers with poorer quality for the resultant yarns formed by the vortex spinning are subjected to high-quality spinning on the vortex spinning machine; and particularly, the improvement on the spun count of the fibers on the vortex spinning machine is facilitated and the smooth production of high grade cotton yarns formed by vortex spinning is realized. The method disclosed by the invention has the advantages of short work procedure flow, strong pertinence, high efficiency, lower cost, reasonable structure, convenience in operation and easiness in large-area popularization and use.
Description
Technical field
The present invention relates to a kind of online fiber modulus and rigidity of reducing of passing through, improve the method for air vortex spinning yarn forming performance, belong to textile processing field.
Technical background
Air vortex spinning is to utilize fixed vortex spinning spool, replaces the rotor of high speed rotary and a kind of spinning method that Yarn-spinning spindle, steel traveler spin.Early 1950s, the test that the U.S. once utilized fluid vortex to spin.After nineteen fifty-five, successively there are several national research and utilization air-swirls such as the Federal Republic of Germany, Poland to spin.China starts to utilize the research of air-swirl spinning nineteen sixty.Within 1975, on ITMA, Poland has put on display an air-swirl spinning machine (PF type), and has set up an intermediate experiment workshop, make air vortex spinning examination for the production of.Existing comparative maturity, compared with the vortex flow spinner of extensive use, be the MVS type vortex flow spinner of field, Japanese village development.MVS Tecnology of Air Vortex Spinning is: ribbon is by the drafting system to cotton roller feeding vortex flow spinner, and the fiber strip of exporting through drawing-off, by airflow function, feeds in vortex tube at a high speed from cotton delivery pipe.Vortex tube is comprised of core pipe and outer tube two parts.On outer tube, have three tangential air inlets, lower end is connected with air blast, and blower fan is extracting air from pipe constantly, and the air of outside enters in vortex tube along air inlet, produces gyrate air-flow.When rotation air-flow upwards arrives core pipe, the fiber entering with cotton delivery pipe converges, and along vortex tube inwall, forms a cohesion fibrous ring, stably around vortex tube axis, high speed rotary, twists resultant yarn by fiber, from thread guide eyelet, continuously by drawing roller, draws and is wound into bobbin.MJS vortex spinning and MVS spinning process are similar, so three the tangent air inlet yarns of difference on the outer tube from vortex tube are injected air-flow, form eddy airstream and spin in vortex tube.Owing to replacing mechanical twisting and cohesion with eddy current, do not need rotating parts, thereby there is the advantages such as speed is fast, output is high, technological process is short, row yielding is high, domesticly with vortex flow spinner spinning 6-12 English, prop up yarn, spinning speed is 100-140m/min, per unit area yield 600-800 (kg/ thousand ingots hour), is equivalent to the 4-5 of ring spun yarn doubly.
Yet production practices show, also there is some circumscribed factor in air vortex spinning in evolution.First, air vortex spinning spinning suiting fibre length is between 38-60 millimeter, and the scope of raw material is confined to short chemical fibre and medium-length fibre substantially, on yarn quality, not strong in the competitiveness of high grade yarn production field.Secondly, the yarn formation structure of air vortex spinning is more lax, and the long segment uniformity is good, but brute force is lower, has limited air vortex spinning spinning high grade yarn.Therefore, the yarn formation structure that solves air vortex spinning is more lax, yarn strength is lower, fiber-spinnable raw material range is limited, is not suitable for spinning the problems such as high grade yarn, to expanding air vortex spinning technology range of application and increasing vortex flow spinner usage quantity, has very important significance.
China Patent Publication No. CN101368305, open day 2010.06.02, invention and created name is a kind of air injection air vortex spinning dress of producing cladded yarn, this application complicated legal case provides a kind of air injection air vortex spinning apparatus of producing cladded yarn, can make staple fibre bundle carry out even looping to core silk, the cladded yarn quality of producing is even, has improved to a certain extent the brute force of vortex spinning yarn.China Patent Publication No. CN101012581, open day 2007.08.08, invention and created name is processing apparatus for jet vortex spinning core spun yard, this application complicated legal case provides a kind of processing apparatus for jet vortex spinning core spun yard, produce vortex spinning long filament superpacket heart yarn, improved to a certain extent the brute force of air vortex spinning yarn.Above-mentioned two patented inventions are mainly by introduce powerful higher long filament in air vortex spinning process, to improve the brute force of final vortex spinning yarn, but which does not fundamentally improve the eddy current yarn forming performance of staple fibre, still cannot realize the production that staple fibre carries out a high eddy current yarn on vortex flow spinner.China Patent Publication No. CN1200155, open day 2005.05.04, invention and created name is complex twisting device for air-jet eddy-current spinning, this application complicated legal case provides a kind of complex twisting device for air-jet eddy-current spinning of new design, improved the crucial spinning parts of air injection air vortex spinning machine, suppress negative pressure vortex field part fiber has been siphoned away from exhaust ports, improved to a certain extent air vortex spinning quality.China Patent Publication No. CN2835273, open day 2006.11.08, invention and created name is nozzle device for jet-vortex spinning, this application complicated legal case provides a kind of nozzle device for jet-vortex spinning, by the structure optimization to air vortex spinning nozzle, more be conducive to control air flow power, reduce fibrous fracture irregularity, improved to a certain extent fiber yarn forming quality.Can't deny, by improving the Machine Design of the crucial spinning mechanism of vortex flow spinner, can improve to a certain extent air vortex spinning quality, but up to now, only the optimization by air vortex spinning critical component does not still realize air vortex spinning revolutionary ground great-leap-forward development, most staple fibres still can not carry out high grade yarn production on vortex flow spinner, and vortex spinning gained yarn texture is still more lax.China Patent Publication No. CN102108574, open day 2012.04.25, invention and created name is the method for producing hemp yarns through vortex spinning, this application complicated legal case can not meet the problem of high-count high-density fabric requirement for the Chinese dimity, a kind of method of producing hemp yarns through vortex spinning is provided, by the china-hemp fibers of operation before air vortex spinning is carried out to some row preliminary treatment, improve the spinnability of ramee, then by the ramee raw material of making for conventional air vortex spinning, improved to a certain extent the eddy current spinning yarn quality of Chinese fiber crops and improved the limit count of china-hemp fibers; But the method relates to that griping cotton machine, mixed cotton slitter, vibrating cotton box, lapper, carding machine etc. are a plurality of spins front operation, cause for the high-quality ramee production process of air vortex spinning oversizely, cost is too high, is unfavorable for promoting and large area use.
China Patent Publication No. CN1995510, open day 2007.07.11, invention and created name is a kind of flatiron spinning method that improves yarn property, this application complicated legal case is for ring spun yarn operation, provide a kind of to the fiber in institute's yarn particularly the fiber in twist triangle zone press the device of processing, can greatly reduce Yarn filoplume, reduce spun yarn moment of torsion, improve yarn qualities.But this application complicated legal case is for the ring spindle yarn manufacturing procedure Yarn filoplume problem of holding end spinning, and in spinning process, only by heating, the moment of fiber modulus and rigidity is reduced weak effect.Up to now, still not for improving air vortex spinning, adopt the online fiber stiffness that reduces, generally improve the method for fiber torsion twisting easy to control, easy performance, significantly improve rotor spinning yarn forming performance.
Summary of the invention
For above-mentioned existing problems, the object of the present invention is to provide a kind of by carrying out in air vortex spinning process at fiber, on air vortex spinning device, fiber strip is carried out to the wet soften handled of segmentation heat, the online fiber stiffness that reduces, improve fiber torsion twisting easy to control, easy performance, effectively improve the spinning method of air vortex spinning yarn forming performance, its technical solution is:
A kind of method of improving air vortex spinning yarn forming performance, according on each the air vortex spinning device on vortex flow spinner, the fiber strip of being exported by drafter passes through the input quill road of air vortex spinning device successively, be arranged on the fiber guide pin on guide pin holder, enter in the eddy current cavity of the vortex tube being formed by outer vortex tube and interior vortex tube, gas three inlet channels on vortex tube from being arranged on enter in the eddy current cavity of vortex tube, through the outlet passageway being arranged on outer vortex tube, discharge, in eddy current cavity, form eddy airstream, the fiber strip of introducing from fiber guide pin is carried out to eddy current twisting spinning, the eddy current yarn that spins under the effect of drawing roller constantly from being arranged on the rule that is wound into a yarn after yarn-guiding duct inner tube is drawn, feeding mouth front end in the input quill road of each air vortex spinning device arranges hot and wetness processing device, in the guide pin holder of vortex flow spinner, first heater is set, in the outer vortex tube tube wall of the vortex tube of vortex flow spinner, be symmetrical set secondary heating mechanism, the 3rd heater, in the interior vortex tube tube wall of the vortex tube of vortex flow spinner, be symmetrical set the 4th heater, the 5th heater, the inlet channel steam-out (SO) generator of vortex flow spinner, at the coated one deck high-temperature heat insulation layer in the periphery of the vortex tube of vortex flow spinner, high-temperature heat insulation layer is near the outer vortex tube sidewall of vortex tube.
Described hot and wetness processing device carries out hot wet process to the ribbon before feeding input quill road, and hot wet process temperature is 80-200 ℃, and humidizer is water or softener solution, and the weight percent concentration of softener solution is 0.1%-6%.
The steam of described steam generator output is steam or softener solution steam, and vapor (steam) temperature is 100-200 ℃, and the weight percent concentration of softener solution is 0.1%-6%.
The working surface temperature of described first heater, secondary heating mechanism, the 3rd heater, the 4th heater, the 5th heater is 80-280 ℃.
Owing to having adopted above technical scheme, compared with prior art, a kind of method of improving air vortex spinning yarn forming performance of the present invention, its advantage is: the present invention adopts sectional type soften handled method, to carrying out the fiber strip of air vortex spinning on air vortex spinning device, carry out laddering soften handled, reduce online fast fiber modulus and bending stiffness, wherein the first soften handled stage was that feeding mouth front end in the input quill road of air vortex spinning device arranges hot and wetness processing device, fiber strip before feeding air vortex spinning device is carried out to pre-soften handled, for the degree of depth soften handled of second stage lays the foundation.The second soften handled stage was by first heater being set in guide pin holder to carrying out degree of depth soften handled through fiber strip on input quill road and guide pin holder, for fiber strip carries out the motion of high-performance eddy current resultant yarn, did sufficient adequate preparation.The 3rd soften handled is by being arranged on the secondary heating mechanism in outer vortex tube tube wall, the 3rd heater and be arranged on and be symmetrical set the 4th heater in interior vortex tube tube wall, the 5th heater, and from inlet channel, input high-temperature steam by steam-out (SO) generator, jointly combine and carry out the thorough soften handled of continuation to twisting the fiber strip of resultant yarn in vortex tube, increase substantially fiber deflection, can twisting property, while making air vortex spinning spinning, along the fiber in the formed cohesion fibrous ring of vortex tube inwall, more easily under eddy airstream effect, be closely wound into sliver surface, improve air vortex spinning resultant yarn tightness, increase the yarn strength of institute's yarn.Because the fiber after softening more easily carries out looping, twisting and distortion under the effect of vortex spinning steam flow, fiber air vortex spinning performance significantly improves, make can carry out good looping and obvolvent resultant yarn compared with fine fibre yarn, significantly improved the yam count of air vortex spinning, realized difficulty and spin fiber (as fibers such as ramie, wools) and on vortex flow spinner, carry out good resultant yarn.Therefore, the present invention divides three sections to the fiber strip of air vortex spinning process, to carry out laddering soften handled, not only improve the eddy current yarn forming performance of fiber, institute's Air Vortex Spun Yarn line structure compactness of spinning improves, yarn strength strengthens, yarn residual torque is little, and significantly expanded the fiber-spinnable raw material range of vortex flow spinner, make originally on vortex flow spinner not fiber-spinnable can carry out air vortex spinning, the poor fiber of air vortex spinning yarn quality carries out high-quality spinning on vortex flow spinner, particularly be conducive to improve the spinning count of fiber on vortex flow spinner, realize the smooth production of vortex spinning high grade yarn.
A kind of method of improving air vortex spinning yarn forming performance of the present invention, to adopt sectional type soften handled mode to carry out laddering soften handled to the fiber strip in air vortex spinning process, the online air vortex spinning yarn forming performance that improves fiber, related process flow is short, with strong points, efficiency is high.In addition, this invention arranges one deck high-temperature heat insulation layer in the air vortex spinning device periphery of vortex flow spinner, not only effectively energy-saving and cost-reducing, and guaranteed that air vortex spinning device, still the temperature remains within the normal range to the flexible spinning process outer surface of fiber temperature, is conducive to spinning workshop workman operation.Cost of the present invention is lower, rational in infrastructure, easy to operate, is easy to spread and uses.
Accompanying drawing explanation
Accompanying drawing is principle schematic of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of method of improving air vortex spinning yarn forming performance of the present invention is described in further detail.
See accompanying drawing.
Embodiment 1: the method for improving air vortex spinning yarn forming performance is carried out air vortex spinning to cotton fiber, in accompanying drawing, arrow points is that cotton fiber is at the traffic direction of air vortex spinning process, on employing each air vortex spinning device on vortex flow spinner, first the fiber strip of being exported by drafter passes through the hot and wetness processing device 15 of the feeding mouth front end in the input quill road 1 that is arranged on air vortex spinning device, hot and wetness processing device 15 adopts the combination of Heat humidifier or humidifier and heater, wherein humidifier adopts China Intellectual Property Office's on May 11st, 2011 disclosed " spun yarn positioning humidification device ", publication number is the related damping device of CN201826076U, cotton fiber yarn before feeding air vortex spinning device is carried out to the wet submissive preliminary treatment of heat, the hot wet process temperature that hot and wetness processing device 15 adopts is 120-160 ℃, humidizer is water or cotton type softener solution, the weight percent concentration of cotton type softener solution is 0.1%-3%, institute's spinning yarn line number is lower, hot wet process temperature is higher, softener solution concentration is also higher, the cotton fiber yarn moving ahead is fast subject to the first soften handled when hot and wetness processing device 15, and object is that the degree of depth soften handled for second stage lays the foundation.Cotton fiber yarn after the first soften handled enters into the input quill road 1 of air vortex spinning device and is arranged on fiber guide pin 13 surfaces on guide pin holder 2; The interior first heater 14 that arranges of guide pin holder 2 at vortex flow spinner, first heater 14 working surface temperature are 130-170 ℃, input quill road 1 and fiber guide pin 13 are heated, institute's spinning yarn linear diameter is thicker, spinning speed is higher, heater temperature is higher, carries out the degree of depth soften handled of second stage to realize cotton fiber yarn to contacting with fiber guide pin 13 with input quill road 1, for cotton fiber yarn carries out high-performance flexible air vortex spinning, does sufficient adequate preparation.Through the cotton fiber yarn of second stage degree of depth soften handled, under the gripping guiding of fiber guide pin 13, enter into the air vortex spinning district in the eddy current cavity of the vortex tube being formed by outer vortex tube 12 and interior vortex tube 6, in outer vortex tube 12 tube walls of the vortex tube of vortex flow spinner, be symmetrical set secondary heating mechanism 10, the 3rd heater 4, in interior vortex tube 6 tube walls of the vortex tube of vortex flow spinner, be symmetrical set the 4th heater 9, the 5th heater 5, on vortex tube 12 tube walls, offer three inlet channels 3 outside, inlet channel 3 steam-out (SO) generators, phase III cotton fiber yarn soften handled is exactly by secondary heating mechanism 10, the 3rd heater 4 and the 4th heater 9, the 5th heater 5, and from inlet channel 3, input high-temperature steams by steam-out (SO) generator, jointly combine and carry out the thorough soften handled of continuation to twisting the fiber strip of resultant yarn in vortex tube, wherein secondary heating mechanism 10, the 3rd heater 4, the 4th heater 9, the working surface temperature of the 5th heater 5 is 140-180 ℃, the steam of steam generator output is steam or cotton type softener solution steam, vapor (steam) temperature is 120-160 ℃, the weight percent concentration of cotton type softener solution is 0.1%-3%, institute's spinning yarn linear diameter is thicker, spinning speed is higher, heater and vapor (steam) temperature are higher, softener solution concentration is also higher.Cotton fiber deflection in the cotton fiber yarn of phase III soften handled, can increase substantially by twisting property, because vapor stream inlet channel on vortex tube 12 3 from being arranged on enters in the eddy current cavity of vortex tube, through the gas outlet 8 being arranged on outer vortex tube 12, discharge, in eddy current cavity, form vortex spinning steam flow, cotton fiber is very easy to carry out distortion and twisting under the effect of vortex spinning steam flow in the formed cohesion fibrous ring along vortex tube inwall, closely be wound into sliver surface, improve vortex spinning cotton yarn resultant yarn tightness, increase the yarn strength of institute's yarn.At the coated one deck high-temperature heat insulation layer 11 in the periphery of the vortex tube of vortex flow spinner, high-temperature heat insulation layer 11 is near outer vortex tube 12 sidewalls of vortex tube, not only effectively energy-saving and cost-reducing, and guaranteed whole air vortex spinning device in the flexible spinning process to cotton fiber appearance temperature still the temperature remains within the normal range, be beneficial to spinning workshop workman operation.Through the cotton fiber yarn of soften handled, be spun into high, powerful large, bar is dry evenly, moment of torsion the is little high-quality cotton yarn of tightness under eddy current looping, twisting effect, institute's spinning yarn line is constantly wound into a yarn from being arranged on after yarn-guiding duct 7 interior vortex tube 6 is drawn under the effect of drawing roller.
Embodiment 2: the method for improving air vortex spinning yarn forming performance is carried out air vortex spinning to flax fibre, in accompanying drawing, arrow points is that flax fibre is at the traffic direction of air vortex spinning process, on employing each air vortex spinning device on vortex flow spinner, first the flax fibre yarn of being exported by drafter passes through the hot and wetness processing device 15 of the feeding mouth front end in the input quill road 1 that is arranged on air vortex spinning device, hot and wetness processing device 15 adopts the combination of Heat humidifier or humidifier and heater, wherein humidifier adopts China Intellectual Property Office's on May 11st, 2011 disclosed " spun yarn positioning humidification device ", publication number is the related damping device of CN201826076U, ramee bar before feeding air vortex spinning device is carried out to the wet submissive preliminary treatment of heat, the hot wet process temperature that hot and wetness processing device 15 adopts is 150-200 ℃, humidizer is water or linen look softener solution, the weight percent concentration of linen look softener solution is 3%-6%, flax fibre rigidity is larger, hot wet process temperature is higher, softener solution concentration is also higher, the flax fibre yarn moving ahead is fast subject to the first soften handled when hot and wetness processing device 15, and object is that the degree of depth soften handled for second stage lays the foundation.Flax fibre yarn after the first soften handled enters into the input quill road 1 of air vortex spinning device and is arranged on fiber guide pin 13 surfaces on guide pin holder 2; The interior first heater 14 that arranges of guide pin holder 2 at vortex flow spinner, first heater 14 working surface temperature are 150-280 ℃, input quill road 1 and fiber guide pin 13 are heated, flax fibre rigidity is larger, heater temperature is higher, to realize the degree of depth soften handled that the flax fibre yarn contacting with fiber guide pin 13 with input quill road 1 is carried out to second stage, for carrying out high-performance flexible air vortex spinning, flax fibre yarn does sufficient adequate preparation.Through the flax fibre yarn of second stage degree of depth soften handled, under the gripping guiding of fiber guide pin 13, enter into the air vortex spinning district in the eddy current cavity of the vortex tube being formed by outer vortex tube 12 and interior vortex tube 6, in outer vortex tube 12 tube walls of the vortex tube of vortex flow spinner, be symmetrical set secondary heating mechanism 10, the 3rd heater 4, in interior vortex tube 6 tube walls of the vortex tube of vortex flow spinner, be symmetrical set the 4th heater 9, the 5th heater 5, on vortex tube 12 tube walls, offer three inlet channels 3 outside, inlet channel 3 steam-out (SO) generators, phase III flax fibre yarn soften handled is exactly by secondary heating mechanism 10, the 3rd heater 4 and the 4th heater 9, the 5th heater 5, and from inlet channel 3, input high-temperature steams by steam-out (SO) generator, jointly combine and carry out the thorough soften handled of continuation to twisting the fiber strip of resultant yarn in vortex tube, wherein secondary heating mechanism 10, the 3rd heater 4, the 4th heater 9, the working surface temperature of the 5th heater 5 is 170-280 ℃, the steam of steam generator output is steam or linen look softener solution steam, vapor (steam) temperature is 140-200 ℃, the weight percent concentration of linen look softener solution is 3%-6%, flax fibre rigidity is larger, heater and vapor (steam) temperature are higher, linen look softener solution concentration is also higher.Flax fibre deflection in the flax fibre yarn of phase III soften handled, can increase substantially by twisting property, because vapor stream inlet channel on vortex tube 12 3 from being arranged on enters in the eddy current cavity of vortex tube, through the gas outlet 8 being arranged on outer vortex tube 12, discharge, in eddy current cavity, form vortex spinning steam flow, flax fibre is very easy to be controlled and twist by vortex spinning steam flow active force in the formed cohesion fibrous ring along vortex tube inwall, closely be wound into sliver surface, improve vortex spinning dimity resultant yarn tightness, increase the yarn strength of institute's yarn.At the coated one deck high-temperature heat insulation layer 11 in the periphery of the vortex tube of vortex flow spinner, high-temperature heat insulation layer 11 is near outer vortex tube 12 sidewalls of vortex tube, not only effectively energy-saving and cost-reducing, and guaranteed whole air vortex spinning device in the flexible spinning process to flax fibre appearance temperature still the temperature remains within the normal range, be beneficial to spinning workshop workman operation.Through the flax fibre yarn of soften handled, under eddy current looping, twisting effect, spin out the high-quality ramie yarn that tightness is large, powerful high, bar is dry evenly, moment of torsion is little, the ramie yarn that spins under the effect of drawing roller, constantly from being arranged on after yarn-guiding duct 7 interior vortex tube 6 is drawn, be wound into a yarn.
Embodiment 3: the method spinning eddy current wool yarn that improves air vortex spinning yarn forming performance, in accompanying drawing, arrow points is that wool fibre is at the traffic direction of air vortex spinning process, on employing each air vortex spinning device on vortex flow spinner, first the wool fibre yarn of being exported by drafter passes through the hot and wetness processing device 15 of the feeding mouth front end in the input quill road 1 that is arranged on air vortex spinning device, hot and wetness processing device 15 adopts the combination of Heat humidifier or humidifier and heater, wherein humidifier adopts China Intellectual Property Office's on May 11st, 2011 disclosed " spun yarn positioning humidification device ", publication number is the related damping device of CN201826076U, wool fibre bar before feeding air vortex spinning device is carried out to the wet submissive preliminary treatment of heat, the hot wet process temperature that hot and wetness processing device 15 adopts is 80-120 ℃, humidizer is water or wool type softener solution, the weight percent concentration of wool type softener solution is 2%-6%, institute's wool yarn that spins is thicker, spinning speed is higher, hot wet process temperature is higher, softener solution concentration is also higher, the wool fibre yarn moving ahead is fast subject to the first soften handled when hot and wetness processing device 15, and object is that the fiber degree of depth soften handled for second stage lays the foundation.Wool fibre yarn after the first soften handled enters into the input quill road 1 of air vortex spinning device and is arranged on fiber guide pin 13 surfaces on guide pin holder 2; The interior first heater 14 that arranges of guide pin holder 2 at vortex flow spinner, first heater 14 working surface temperature are 80-130 ℃, input quill road 1 and fiber guide pin 13 are heated, institute's wool yarn that spins is thicker, spinning speed is higher, heater temperature is higher, carries out the degree of depth soften handled of second stage to realize wool fibre yarn to contacting with fiber guide pin 13 with input quill road 1, for wool fibre yarn carries out high-performance flexible air vortex spinning, does sufficient adequate preparation.Through the wool fibre yarn of second stage degree of depth soften handled, under the gripping guiding of fiber guide pin 13, enter into the air vortex spinning district in the eddy current cavity of the vortex tube being formed by outer vortex tube 12 and interior vortex tube 6, in vortex tube 12 tube walls, be symmetrical set secondary heating mechanism 10 outside, the 3rd heater 4, in interior vortex tube 6 tube walls, be symmetrical set the 4th heater 9, the 5th heater 5, on vortex tube 12 tube walls, offer three inlet channels 3 outside, inlet channel 3 steam-out (SO) generators, the phase III soften handled of wool fibre yarn is exactly by secondary heating mechanism 10, the 3rd heater 4 and the 4th heater 9, the 5th heater 5, and from inlet channel 3, input high-temperature steams by steam-out (SO) generator, jointly combine and carry out the thorough soften handled of continuation to twisting the fiber strip of resultant yarn in vortex tube, wherein secondary heating mechanism 10, the 3rd heater 4, the 4th heater 9, the working surface temperature of the 5th heater 5 is 80-140 ℃, the steam of steam generator output is steam or wool type softener solution steam, vapor (steam) temperature is 100-140 ℃, the weight percent concentration of wool type softener solution is 2%-6%, institute's wool yarn that spins is thicker, spinning speed is higher, heater and vapor (steam) temperature are higher, wool type softener solution concentration is also higher.Wool fibre deflection in the wool fibre yarn of phase III soften handled, can increase substantially by twisting property, because vapor stream inlet channel on vortex tube 12 3 from being arranged on enters in the eddy current cavity of vortex tube, through the gas outlet 8 being arranged on outer vortex tube 12, discharge, in eddy current cavity, form vortex spinning steam flow, wool fibre is very easy to be controlled and twist by vortex spinning steam flow active force in the formed cohesion fibrous ring along vortex tube inwall, closely be wound into sliver surface, improve wool air vortex spinning resultant yarn tightness, increase the yarn strength of institute's yarn.At the coated one deck high-temperature heat insulation layer 11 in the periphery of the vortex tube of vortex flow spinner, high-temperature heat insulation layer 11 is near outer vortex tube 12 sidewalls of vortex tube, not only effectively energy-saving and cost-reducing, and guaranteed whole air vortex spinning device in the flexible spinning process to wool fibre appearance temperature still the temperature remains within the normal range, be beneficial to spinning workshop workman operation.Through the wool fibre yarn of soften handled, under eddy current looping, twisting effect, spin out the high-quality wool yarn that tightness is large, powerful high, bar is dry evenly, moment of torsion is little, the wool yarn that spins under the effect of drawing roller, constantly from being arranged on after yarn-guiding duct 7 interior vortex tube 6 is drawn, be wound into a yarn.
Embodiment 4: the method spinning eddy current staple fibre yarn that improves air vortex spinning yarn forming performance, in accompanying drawing, arrow points is that staple fibre is at the traffic direction of air vortex spinning process, on employing each air vortex spinning device on vortex flow spinner, first the staple fibre yarn of being exported by drafter passes through the hot and wetness processing device 15 of the feeding mouth front end in the input quill road 1 that is arranged on air vortex spinning device, hot and wetness processing device 15 adopts the combination of Heat humidifier or humidifier and heater, wherein humidifier adopts China Intellectual Property Office's on May 11st, 2011 disclosed " spun yarn positioning humidification device ", publication number is the related damping device of CN201826076U, staple fibre yarn before feeding air vortex spinning device is carried out to the wet submissive preliminary treatment of heat, the hot wet process temperature that hot and wetness processing device 15 adopts is 80-120 ℃, humidizer is water or softener solution, the weight percent concentration of softener solution is 0.1%-3%, the vitrification point of the staple fibre that spins is higher, hot wet process temperature is higher, softener solution concentration is also higher, the staple fibre yarn moving ahead is fast subject to the first soften handled when hot and wetness processing device 15, and object is that the degree of depth soften handled for second stage lays the foundation.Staple fibre yarn after the first soften handled enters into the input quill road 1 of air vortex spinning device and is arranged on fiber guide pin 13 surfaces on guide pin holder 2; The interior first heater 14 that arranges of guide pin holder 2 at vortex flow spinner, first heater 14 working surface temperature are 80-130 ℃, input quill road 1 and fiber guide pin 13 are heated, the vitrification point of the staple fibre that spins is higher, heater temperature is higher, to realize the degree of depth soften handled that the staple fibre yarn contacting with fiber guide pin 13 with input quill road 1 is carried out to second stage, for carrying out the motion of high-performance eddy current resultant yarn, staple fibre yarn does sufficient adequate preparation.Through the staple fibre yarn of second stage degree of depth soften handled, under the gripping guiding of fiber guide pin 13, enter into the air vortex spinning district in the eddy current cavity of the vortex tube being formed by outer vortex tube 12 and interior vortex tube 6, in the tube wall of vortex tube 12, be symmetrical set secondary heating mechanism 10 outside, the 3rd heater 4, in the tube wall of interior vortex tube 6, be symmetrical set the 4th heater 9, the 5th heater 5, on vortex tube 12 tube walls, offer three inlet channels 3 outside, inlet channel 3 steam-out (SO) generators, the phase III soften handled of staple fibre yarn is exactly by secondary heating mechanism 10, the 3rd heater 4 and the 4th heater 9, the 5th heater 5, and from inlet channel 3, input high-temperature steams by steam-out (SO) generator, jointly combine and carry out the thorough soften handled of continuation to twisting the fiber strip of resultant yarn in vortex tube, wherein secondary heating mechanism 10, the 3rd heater 4, the 4th heater 9, the working surface temperature of the 5th heater 5 is 80-140 ℃, the steam of steam generator output is steam or softener solution steam, vapor (steam) temperature is 100-140 ℃, the weight percent concentration of softener solution is 0.1%-3%, the glass transition temperature of the staple fibre that spins is higher, spin thicker, spinning speed is higher, heater and vapor (steam) temperature are higher, softener solution concentration is also higher.Fiber deflection in the staple fibre yarn of phase III soften handled, can increase substantially by twisting property, because vapor stream inlet channel on vortex tube 12 3 from being arranged on enters in the eddy current cavity of vortex tube, through the gas outlet 8 being arranged on outer vortex tube 12, discharge, in eddy current cavity, form vortex spinning steam flow, staple fibre is very easy to be controlled and twist by vortex spinning steam flow active force in the formed cohesion fibrous ring along vortex tube inwall, closely be wound into sliver surface, improve staple fibre air vortex spinning resultant yarn tightness, increase the yarn strength of institute's yarn.At the coated one deck high-temperature heat insulation layer 11 in the periphery of the vortex tube of vortex flow spinner, high-temperature heat insulation layer 11 is near outer vortex tube 12 sidewalls of vortex tube, not only effectively energy-saving and cost-reducing, and guaranteed whole air vortex spinning device in the flexible spinning process to staple fibre appearance temperature still the temperature remains within the normal range, be beneficial to spinning workshop workman operation.Through the staple fibre yarn of soften handled, be spun into the high quality chemical short fiber yarn that tightness is large, powerful high, bar is dry evenly, moment of torsion is little under eddy current looping, twisting effect, institute's yarn is constantly wound into a yarn from being arranged on after yarn-guiding duct 7 interior vortex tube 6 is drawn under the effect of drawing roller.
Claims (4)
1. a method of improving air vortex spinning yarn forming performance, on each air vortex spinning device on vortex flow spinner, the fiber strip of being exported by drafter passes through the input quill road (1) of air vortex spinning device successively, be arranged on the fiber guide pin (13) on guide pin holder (2), enter in the eddy current cavity of the vortex tube being formed by outer vortex tube (12) and interior vortex tube (6), gas three inlet channels (3) on vortex tube (12) from being arranged on enter in the eddy current cavity of vortex tube, through the outlet passageway (8) being arranged on outer vortex tube (12), discharge, in eddy current cavity, form eddy airstream, the fiber strip of introducing from fiber guide pin (13) is carried out to eddy current twisting spinning, the eddy current yarn that spins under the effect of drawing roller, constantly from being arranged on after yarn-guiding duct (7) interior vortex tube (6) is drawn, be wound into a yarn, it is characterized in that: the feeding mouth front end in the input quill road (1) of each air vortex spinning device arranges hot and wetness processing device (15), in the guide pin holder (2) of vortex flow spinner, first heater (14) is set, in outer vortex tube (12) tube wall of the vortex tube of vortex flow spinner, be symmetrical set secondary heating mechanism (10), the 3rd heater (4), in interior vortex tube (6) tube wall of the vortex tube of vortex flow spinner, be symmetrical set the 4th heater (9), the 5th heater (5), the inlet channel of vortex flow spinner (3) steam-out (SO) generator, at the coated one deck high-temperature heat insulation layer (11) in the periphery of the vortex tube of vortex flow spinner, high-temperature heat insulation layer (11) is near outer vortex tube (12) sidewall of vortex tube.
2. a kind of method of improving air vortex spinning yarn forming performance as claimed in claim 1, it is characterized in that: described hot and wetness processing device (15) carries out hot wet process to feeding input quill road (1) ribbon before, hot wet process temperature is 80-200 ℃, humidizer is water or softener solution, and the weight percent concentration of softener solution is 0.1%-6%.
3. a kind of method of improving air vortex spinning yarn forming performance as claimed in claim 1, it is characterized in that: the steam of described steam generator output is steam or softener solution steam, vapor (steam) temperature is 100-200 ℃, and the weight percent concentration of softener solution is 0.1%-6%.
4. a kind of method of improving air vortex spinning yarn forming performance as claimed in claim 1, is characterized in that: the working surface temperature of described first heater (14), secondary heating mechanism (10), the 3rd heater (4), the 4th heater (9), the 5th heater (5) is 80-280 ℃.
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| CN108532041A (en) * | 2018-06-16 | 2018-09-14 | 苏州市星京泽纤维科技有限公司 | A kind of air vortex spinning machine nozzle for ultra-fine high-strength yarn |
| CN109137187B (en) * | 2018-09-28 | 2020-09-15 | 绍兴文理学院 | Processing method of high-strength wear-resistant air-jet vortex spun yarn based on heatable vortex tube |
| CN110656407A (en) * | 2019-10-29 | 2020-01-07 | 江南大学 | Vortex spinning nozzle device |
| CN110938900A (en) * | 2019-12-16 | 2020-03-31 | 苏州市星京泽纤维科技有限公司 | Novel vortex spinning equipment and spinning method thereof |
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