CN101130910A - Method for manufacturing nylon/spandex air-textured yarn by false twist texturing machine one-step method - Google Patents
Method for manufacturing nylon/spandex air-textured yarn by false twist texturing machine one-step method Download PDFInfo
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Abstract
The present invention provides a method for making nylon-polyurethane fiber blended yarn by utilizing false-twist texturing machine and adopting one-step process. Said method includes the following steps: (A), making nylon raw yarn be drawn out from raw yarn frame, and making said nylon raw yarn be fed into first roller by means of first yam-cutting device of false-twist texturing machine, then fed into a texturing hot-box, and passed through a cooling device and a false-twister, then attracted by suction gun; (B), making polyurethane fiber yarn be drawn out from polyurethane fiber roller, and making said polyurethane fiber yarn be passed through second yarn-cutting device and second yarn-detector, then be attracted by suction gun, then combined with nylon yarn; and (C), making the combined two yarns be passed through intermediate roller, air-entanglement jet device, second auxiliary roller and first yarn detector, and be reached to oiling roller, finally passed through winding roller and winding to make formation.
Description
Technical field
The present invention relates to a kind of method that adopts one-step method production high added value pattern silk, specifically a kind of method of utilizing false twist texturing machine to make the empty bag silk of bright and beautiful ammonia.
Background technology
False twist texturing machine is a kind of post processing equipment of chemical-fibres filaments, precursor can be processed into the textured filament with elastomeric property.Spin the constantly needs of development of market in order to adapt to domestic pattern, the inventor has developed serial false twist texturing machine, and it is a kind of polyamide filament (POY) to be carried out the equipment that false twist texturing becomes the polyamide fibre false-twist textured yarn.
Along with continuous expansion to weaving face fabric kind demand, all kinds of special fibres, special processing technology, the yarn of mannerism arises at the historic moment, and the empty cladding of bright and beautiful ammonia plying is comparatively popular a kind of characteristic yarn on the market in recent years.It is composited by naked spandex yarn and POLYAMIDE YARNS looping.Naked spandex yarn is a kind of highly elastic fiber, and its elongation at break reaches as high as 800% at 400%-700%.Elastic recovery rate during deformation 300% reaches more than 95%, has good fatigue performance and elastic restoration ratio.Interweaving of spandex and polyamide fibre, fabric can be dyeed at normal temperatures and pressures, and avoid the damage of High Temperature High Pressure spandex.The fabric that adopts the compound silk of spandex and high-elastic polyamide fibre looping to be made in recent years under the prerequisite that does not change primary characteristic, has increased the elasticity of knitted fabric, has improved the DIMENSIONAL STABILITY of knitted fabric, and has ventilative, the soft characteristic of moisture absorption.Have the fabric of elasticity and recovery, it is comfortable and easy to wear to clothes to have satisfied people, and the next to the shin and constant requirement of maintenance profile is widely used in socks product, underwear, sweat shirt etc.
In order to satisfy the demand of this class yarn processing, Kai Fa the process equipment that adapts with it in the market, can only adopt two-step method to produce the empty cladding of bright and beautiful ammonia plying, be manufacturer must with polyamide filament (POY) finish on the polyamide fibre false twist texturing machine add bullet after, go up air tank covered yarn machine or mechanical wrap yarn machine and spandex silk again and be overmolding to the empty cladding of bright and beautiful ammonia plying.This method of producing the empty cladding of bright and beautiful ammonia plying with two-step method must be equipped with two kinds of machineries for the requirement of manufacturer, exists the plant area occupancy big; Management cost, storage place and the higher drawback of organization of production cost.
The polyamide fibre product is the same with other products in addition, and the moulding of spinning cake is directly connected to unwinding and unwinding tension, requires generally that the finished product spinning cake does not have folded silk, no ended bank silk, the spinning cake end face does not have scratch or filament ruptures, nothing is around unrest and loose ring silk.When product wraps silk as sky, speed reaches about 700m/min, even it is higher, in case the spinning cake moulding is bad or handling process in force majeure cause spinning cake impaired, to directly influence empty bag silk production efficiency and quality, so require very high to spinning cake as the POLYAMIDE YARNS of producing the empty cladding of bright and beautiful ammonia plying.
Summary of the invention
Goal of the invention: the purpose of this invention is to provide a kind of method of on false twist texturing machine, manufacturing the empty bag silk of bright and beautiful ammonia.
Technical scheme: a kind of method of utilizing the false twist texturing machine one-step method to make the empty bag silk of bright and beautiful ammonia of the present invention, it is characterized in that on the Silk Road of polyamide fibre machine, installing additional a cover spandex device, one grade of auxiliary roller in centre, a cover network equipment, a cover yarn cutter, cover are visited a silk device, its method may further comprise the steps:
A) the polyamide fibre precursor is drawn by original silk rack, enter first roller via first yarn cutter of false twist texturing machine and enter deformation hot box again, after apparatus for supercooling, false twister are drawn, hold by suction gun.
B) the spandex silk is drawn by the spandex roller visit the silk device via second yarn cutter, second and hold the heel POLYAMIDE YARNS by suction gun and merge.
C) two rhizoids after the merging are by middle roller and network nozzle device, and when through the nozzle of interlace, air-flow with two rhizoid loopings together, form uniform node, via the second auxiliary roller, visit the silk device again by first, the arrival roller that oils is at last by the Wound-up roller coiling and molding.
Among the present invention, because of the spandex silk has big, the thin partially easily broken characteristics of elasticity, so key issue is the additional tension that how to reduce to greatest extent on the spandex the Silk Road, reduce the injury of the Silk Road to the spandex silk, widen the spinning suiting scope, solution is difficult to spin the difficult problem of the following spandex silk of 40D, and promptly spandex device ideal position determines it is most important.Through taking all factors into consideration the spandex device is placed between false twister, two rollers, the spandex silk arrives two rollers to carry out before the doubling, the spandex silk is except visiting silk device and yarn cutter through a cover, there is not extra additional seal wire porcelain spare process, and the Silk Road arranges with linearity, thereby reduced additional tension to greatest extent, not only is fit to the thicker spandex silk of spinning, and can spin spandex silk thinner below the 40D, widened the spinning suiting scope.
For guaranteeing the normal operation of the Silk Road, prevent to twine a phenomenon behind the fracture of wire, consider that the coefficient of friction of spandex fibre is big, in spinning process, easily produce problems such as unexpected elongation and tension force is irregular, employing active type spandex feeding device.Complete in addition machine adopts the contactless detector of two covers to control spandex silk and POLYAMIDE YARNS respectively, adopt two yarn cutters simultaneously and be made as interlock, in machine running process, need only wherein rhizoid line broken end, be that a corresponding detector sends signal, two yarn cutters are received the signal of this spy silk device, latter two electromagnet of switching on acts on simultaneously and moves, and silk thread is cut off.So not only avoided silk thread to be wound on the moving components such as roller, friction roller, so as to avoid an accident, damaged parts, and avoided monofilament to reel, reduced that substandard products occur and the wastage of material that causes.
Beneficial effect: the one-step method that the present invention adopts is produced the empty cladding of bright and beautiful ammonia plying, be that autonomous Design has been developed a kind of new false twist texturing machine on the basis of original polyamide fibre false twist texturing machine, this machine on the original basis, devices such as auxiliary roller and spandex have been increased, POLYAMIDE YARNS distortion back is directly compound with the spandex silk, high-elastic POLYAMIDE YARNS and spandex silk after air-flow by the nozzle of interlace will be out of shape are entwined, thereby obtain the empty cladding of the bright and beautiful ammonia plying of high-quality.Reduce the additional tension on the spandex the Silk Road to greatest extent, thereby widened the spinning suiting scope of spandex, solved a difficult problem that is difficult to spin the following spandex silk of 40D.By the finished product that the compound silk of this type production weaves, its structure is rule extremely, does not have the flash of light and the chaotic cloth surface state of elastomer common on the general knitted fabric.
The invention of one-step method false twist texturing machine makes the manufacturer only need a machine can produce the silk of various kinds, owing to the function of two machines is replaced by a machine, thus the storage location of having reduced the floor space and the high-elastic POLYAMIDE YARNS of machine.POLYAMIDE YARNS need not be packed in addition, hangs silk production again, has improved production efficiency greatly, and has reduced recruitment, and management cost and organization of production cost also reduce significantly, has satisfied the pursuit that back road user promotes significantly to weaving speed and weaving efficiency.
This new false twist texturing machine equipment not only can spin the empty bag silk of high-quality, and closes the spandex device by touch-screen, and this machine also can spin the polyamide fibre false-twist textured yarn, has improved the utilization rate of machine greatly.Avoid the road, back to occur using in addition, cause that sky clads plying resilience effect and differs, thereby influence product quality because of the mixed different lot numbers of criticizing use or same producer of the POLYAMIDE YARNS of different manufacturers mix
Description of drawings
Accompanying drawing is the schematic diagram of the technological process of production of the present invention.
The specific embodiment
Of the present invention is to utilize the polyamide fibre false twist texturing machine to carry out the method that one-step method is produced the empty bag silk of bright and beautiful ammonia, what installed on original polyamide fibre machine that a cover spandex roller device 7, second yarn cutter 8, second visit that a silk device 9, network equipment 11, middle auxiliary roller (W2x) and doubling use additional moves silk device 10, by connector these devices are placed in the relatively reasonable position of polyamide fibre false twisting machine, guarantee the optimization of the Silk Road.This method may further comprise the steps:
A) polyamide fibre precursor (POY) is drawn by original silk rack 1, first yarn cutter 2 on false twist texturing machine enters first feeding roller 3, and process deformation hot box 4 is drawn after heating, enter cooling device 5 and false twister 6 (comprising the turnover thread guide), is held by suction gun.
B) the spandex silk is drawn by spandex roller 7, visit silk device 9, hold by suction gun with the POLYAMIDE YARNS merging through second yarn cutter 8, second.
C) pass through middle roller 10 and network nozzle device 11 through two rhizoids that move after the middle porcelain spare of filament plate merges on the middle roller 10, through the nozzle of interlace the time, air-flow with two rhizoid loopings together, form uniform node, again through the second auxiliary roller 12, by first a spy silk device 13, arrive the roller 14 that oils, at last by Wound-up roller 15 coiling and moldings.
The operating path of optimizing the polyamide fibre the Silk Road in the present invention is the important step in the Machinery Design, and the angle of the turnover thread guide of selection and definite rational false twister 6 is very crucial, should select minimum angles as far as possible.The false twister of original polyamide fibre false twisting machine is vertical installation, thereby strand is big at the turning angle in hot case exit, and strand is the traffic direction racing under the temperature condition with higher, and the big cornerite friction of easy and thread guide produces lousiness.Therefore the present invention tilts to install with false twister 6, and corresponding layout adjustment is also done in the position of hot case 4, cooling device 5, makes a road in line as far as possible, Si Daoyin turnover the minimizing less frictional resistance, thus reduce tow tension.So also guarantee under the situation that does not influence yarn qualities, give yarn the very high twist, make yarn be fit to the very high speed of service, advantage is particularly remarkable when the empty cladding of the thin bright and beautiful ammonia of high-speed production plying especially.
Produce the empty cladding of bright and beautiful ammonia plying on the polyamide fibre false twist texturing machine equipment of optimizing, how the spandex the Silk Road arranges is the core of this invention.If the spandex the Silk Road is long, too much thread guide has increased tension force, the phenomenon of repiece difficulty occurred, and is difficult to spin the following spandex silk of 40D.Other considers big, the thin partially easily broken characteristics of spandex silk elasticity, the spandex device is placed between false twister 6, the auxiliary roller 12, the use seal wire porcelain spare of trying one's best few in this Silk Road design, visit the silk device 9 and second yarn cutter 8 except second on the spandex the Silk Road before the doubling, there is not extra additional seal wire porcelain spare, thereby reduced additional tension to greatest extent, be more conducive to spin the following spandex silk of 40D, widened the spinning suiting scope.Because of the coefficient of friction of spandex fibre is big, in spinning process, easily produce problems such as unexpected elongation and tension force is irregular, employing active type spandex feeding device.By the control of two contactless detectors 9 of cover and yarn cutter 8, as long as wherein a rhizoid line breaks end, two yarn cutters are received the signal of visiting the silk device simultaneously, and silk thread is cut off in machine running process.Not only avoided silk thread to be wound on the moving component, damaged parts, and avoided monofilament to reel, reduced that substandard products occur and the waste that causes.
In order to obtain high-quality network yarn, the riding position of the nozzle of interlace 11 on the spinning circuit is also very important, in order to improve network effect, the present invention has increased the auxiliary roller 12 in one grade of centre below middle roller 10, between the roller, the tension force to silk thread between the middle roller of two retainings played stablizing effect like this, thereby guarantees network effect in the middle of network nozzle device 11 was placed in two grades, improve the interlacing quality, for market provides better ELASTANE YARNS.
The effect of cooling device 5 is fixedly distortion of strand, reduces the thermoplasticity of strand, makes strand have certain rigid, is convenient to the transmission of the twist.The silk thread temperature of leaving deformation hot box 4 is higher, if without just fully cooling off directly engaging friction false-twisting device 6, at this moment, because fiber still has thermoplasticity, the Texturized evanescence that heating is produced has a significant impact the percent thermal shrinkage of silk thread, therefore must be with silk thread through apparatus for supercooling, promptly the plate through certain-length is cooled to temperature below 80 ℃, makes it to have enough rigidity, could guarantee normally carrying out of twisting.Consider the continuous pursuit that speed of production is improved and satisfy the production of heavy denier yarn.The present invention has satisfied the cooling requirement of silk thread with coldplate length lengthening in the cooling device of original polyamide fibre false twist texturing machine, further enhances productivity and the spinning suiting scope.
Technological process of the present invention is as follows: polyamide fibre precursor (POY) → original silk rack → first yarn cutter → first roller → deformation hot box → cooling device → false twister (turnover thread guide) → suction gun.
Spandex precursor → spandex roller → second yarn cutter → second visited silk device → suction gun.
Two rhizoids move by middle roller (W2) and visit a device → Wound-up roller, coiling and molding through the auxiliary roller (W2x) in middle roller (W2) → network nozzle device → centre → roller that oils → first after porcelain spare on the filament plate merges.
One-step method used in the present invention is produced the empty bag silk of bright and beautiful ammonia and is in innovation, improves economy and pay attention to saving in the value basis of cost and develop.One-step method is produced the application of the empty bag silk of bright and beautiful ammonia equipment, reduced original two-step method and produced the operation of empty bag silk, manually reach the consumption of the energy, reduced cost and raise the efficiency, thereby expanded production capacity, realize final economic benefit, can adapt to the current changeable market demand fully.
Claims (3)
1. one kind is utilized the polyamide fibre false twist texturing machine to carry out the method that one-step method is produced the empty bag silk of bright and beautiful ammonia, it is characterized in that installing additional on the Silk Road of polyamide fibre machine a cover spandex roller device (7), second yarn cutter (8), second a spy silk device (9), network nozzle device (11), middle auxiliary roller (10), its method may further comprise the steps:
A) the polyamide fibre precursor is drawn by original silk rack (1), enter first feeding roller (3), heat, enter cooling device (5) again, after drawing from false twister (6), hold by suction gun through deformation hot box (4) via first yarn cutter (2) on the false twist texturing machine;
B) the spandex silk is drawn by spandex roller (7), after second yarn cutter (8), second is visited silk device (9), hold by suction gun with the POLYAMIDE YARNS merging;
C) through middle auxiliary roller (10) and network nozzle device (11), through the nozzle of interlace the time, air-flow with two rhizoid loopings together, form uniform node, visit silk device (13) through the second auxiliary roller (12), first again, the arrival roller (14) that oils is at last by Wound-up roller (15) coiling and molding.
2. the polyamide fibre false twist texturing machine that utilizes according to claim 1 carries out the method that one-step method is produced the empty bag silk of bright and beautiful ammonia, it is characterized in that described false twister 6 tilts to install, and the position of deformation hot box 4, cooling device 5 is corresponding with false twister 6, makes a road in line.
3. the polyamide fibre false twist texturing machine that utilizes according to claim 1 carries out the method that one-step method is produced the empty bag silk of bright and beautiful ammonia, it is characterized in that described spandex roller (7), second yarn cutter (8), second a spy silk device (9) are placed between the false twister 6 and the second auxiliary roller 12.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101325778A CN101130910A (en) | 2007-09-21 | 2007-09-21 | Method for manufacturing nylon/spandex air-textured yarn by false twist texturing machine one-step method |
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| CNA2007101325778A CN101130910A (en) | 2007-09-21 | 2007-09-21 | Method for manufacturing nylon/spandex air-textured yarn by false twist texturing machine one-step method |
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| CN101984163A (en) * | 2010-11-16 | 2011-03-09 | 浙江越剑机械制造有限公司 | Polyurethane texturing all-in-one machine |
| CN102212900A (en) * | 2011-05-04 | 2011-10-12 | 绍兴县永乐纺织机械有限公司 | Multilayer spandex airflow network yarn covering machine |
| CN102493035A (en) * | 2011-11-29 | 2012-06-13 | 绍兴县永乐纺织机械有限公司 | Thread feeding path with four rollers of multi-layer integral deforming and combining machine |
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