CN105483892A - Stainless steel wrapping yarn and processing method thereof - Google Patents
Stainless steel wrapping yarn and processing method thereof Download PDFInfo
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- CN105483892A CN105483892A CN201510814653.8A CN201510814653A CN105483892A CN 105483892 A CN105483892 A CN 105483892A CN 201510814653 A CN201510814653 A CN 201510814653A CN 105483892 A CN105483892 A CN 105483892A
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- yarn
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- outer wrapped
- looping
- steel wire
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
Abstract
The present invention discloses a stainless steel wrapping yarn and a processing method thereof. The stainless steel wrapping yarn comprises a stainless steel wire; the stainless steel wire and a lining yarn are combined together to form a twin-core yarn; the diameter of the lining yarn is greater than the diameter of the stainless steel wire; outer wrapped yarns are disposed outside the twin-core yarn; the outer wrapped yarns comprise the first outer wrapped yarn and the second outer wrapped yarn; the first outer wrapped yarn and the second outer wrapped yarn are wound outside the twin-core yarn and wrap the twin-core yarn; and winding directions of first outer wrapped yarn and the second outer wrapped yarn are opposite. The lining yarn is introduced to compose the twin-core yarn with the stainless steel wire, then the twin-core yarn is intercrossed and wound in positive and negative directions for two times, the stainless steel wrapping yarn of a lining-wrapped structure is formed, so that the problems that wrapping of a stainless steel functional yarn is not sealed and a core is exposed, performance of stainless steel fiber is degraded due to twisting and torsion, slip is performed between a stainless steel core wire and a wrapping component core sheath, and the yarn is arched when stretched and the like are solved.
Description
Technical field
The present invention relates to a kind of wrap yarn and processing method thereof, particularly relate to a kind of stainless steel wrap yarn and processing method thereof.
Background technology
Stainless steel fibre be with 304, the STAINLESS STEEL WIRE of the grade of steel such as 304L or 316,316L for raw material, adopt the micron-sized filament that the method such as single wire drawing, clustered drawing processes.Due to special material and yardstick, stainless steel fibre has anti electromagnetic wave, antistatic, conduction, high temperature resistant, cut resistant, abrasion-resistant, can filter, inhale the eight large functions such as sound insulation, can be widely used in and make anti-static clothing (production of electronic components, Static Electricity at Gas Stations harm place), antistatic filter cloth (filtering charged dust), anti-radar-reconnaissance shield cloth (tank, artillery pretends), anti-electromagnetic radiation clothes (P.P), shielding WALL CLOTH (prevent extraneous signal from disturbing and scout), mockup target (fascination target), except electric cloth (eliminate vessel or material charged), high-voltage hot-line work clothes (service without power-off transmission line of electricity) and high-temperature gas/Acidity of Aikalinity liquid/effluent treatment and filtering felt etc. is taken, decoration is used and fabrics for industrial use.
Because the stainless steel fiber material elasticity of flexure is poor, large with metal part frictional force, when diameter is less, brute force is low, except a small amount of product, generally can not be directly used in the processing of fibre, by means of reprocessing technology, the material with mechanical and physical performance needed for following process must be made.
The reprocessing technology of stainless steel fibre mainly contains the technology such as blending, cored, friendship sth. made by twisting and hollow ingot looping (also known as mechanical looping) at present.
Blending technology first adopts the technology such as crush cutting, cut-out that stainless steel filament is made staple fibre, yarn is spun into again with other fibers mixture, mixed method can adopt bulk fibre mixed (carding machine mixes), also can adopt sliver blending (drawing frame mixes).Because stainless steel short fiber cohesive force is poor, no matter adopt which kind of Mixing Method, difficulty of processing is all very large, and it is poor that yarn strength and bar are done, following process difficulty; The blending ratio of stainless steel fibre can not be excessive simultaneously, and be generally no more than 20%, otherwise resultant yarn is difficult, production can not normally be carried out.Due to the restriction of blending ratio (content), and stainless steel fibre is discontinuous staple fibre state in the yarn, the functionalization purposes of the stainless steel yarn wire material that blending technology is made receives a definite limitation, antistatic, anti-scouting class purposes can only be used for, products machinery physical property is poor simultaneously, and fastness is undesirable.And if stainless steel fibre diameter is comparatively large, stainless steel short fiber blending product, when wearing next to the skin, also has prodding and itching feeling problem.Aspects such as needing from the functional guarantee of machinability, goods, following process needs, products machinery physical property requirements and goods comfortableness need considers, and stainless steel fibre carries out reprocessing with staple fibre form and produces thread material, is worthless.
Namely cored technology is core silk with stainless steel filament, utilizes the cladded yarn production technologies such as ring ingot cored technology, jet cored technology, coated by the twisting of outsourcing staple fibre sliver to core silk, coated yarn spinning.Because stainless steel yarn wicking surface is smooth, the obtained stainless steel cladded yarn with " core-sheath " structure of cored technology is adopted to have following mass defect:
1. heart yarn restricted diameter system.Cladded yarn needs larger core/sheath than realizing the coated of core silk, and not " dew core ", therefore heart yarn diameter can not be too large, is generally no more than 10 μm, otherwise coated difficulty, dew core is serious.
2. thinner stainless steel core silk easily breaks end, and causes " lacking heart yarn " phenomenon, and is not easy to discover.
3. stainless steel heart yarn is twisted with outer wrapper fibre, is subject to certain twisting action, serious to stainless steel core silk mechanical and physical performance damage.
4. when being subject to rubbing action (especially axial rub), stainless steel cladded yarn very easily occurs " slippage of core sheath ", causes yarn peeling, structural deterioration, and this is also the maximum defect of stainless steel cladded yarn.The axial rub effect be subject to due to yarn in following process is more, causes the difficulty of following process.
Sth. made by twisting technology is handed over to be, after stainless steel wire and other yarn also close, two-for-one twister is twisted the twisted union yarn line of formation.Stainless steel filament part exposes.Due to twisting effect, the stainless steel wire that also can produce similar cladded yarn causes mechanical and physical performance damage problem because of twisting torsion, and exposes, with metal part friction in following process due to stainless steel fibre part, when stainless steel wire fineness is less, fracture of wire can be there is.
Adopt hollow ingot wrapping technique, by outer wrapped yarn (silk) to twice of stainless steel wire " X to " cross winding, realize the voluble wrapping to stainless steel core silk.Due to wrapped yarn with helical wound on stainless steel core silk, outer wrapped yarn and the mutual slippage of stainless steel core silk obtain and to a certain degree improve, and when the looping twist is not very large, yarn texture is more stable.But also there is following deficiency in this technology:
1. yarn is the voluble wrapping of outer wrapped yarn to stainless steel wire, although adopt the double-contracting looping of cross winding, because the looping twist can not be too large, otherwise yarn texture can be caused unstable, be easy to twist together into handle, this just causes covered effect undesirable, has dew core phenomenon to occur.The diameter of general outer wrapped yarn only has about 0.1 ~ 0.2mm (when outer looping yarn diameter is relatively too large, looping air ring centrifugal force is large, can only be formed to hand over stainless steel core silk and twist with the fingers, and the looping of outer wrapped yarn with stainless steel core silk can not be formed), even if the twist of twice looping is all larger, as reached 1000 sth. made by twisting/m, the long core silk of corresponding 1mm only has a looping turn, the zone length that 1mm long stainless steel wire core silk is covered by two wrapped yarns also can not more than 0.4mm, even if consider outer wrapped yarn flattening deformation under the effect of looping tension force, still stainless steel core silk can not be covered completely, still part dew core phenomenon is had.
2. outer wrapped yarn is to the winding of stainless steel core silk, although the core sheath slippage difficulty more coated to stainless steel core silk than short fiber yarn, but due to stainless steel and yarn contacts face less, frictional force is still not enough to better solve mutual axial slip problem, still has core sheath sliding phenomenon in following process.
3. when stainless steel wrapped yarn receives axial tension effect, stainless steel wire extends together with outer wrapped yarn, after external force is removed, the plastic deformation produced because of stretching due to stainless steel wire is greater than the conventional fibre yarn as outer wrapped yarn, the elongation produced that stretches can not all be replied, and now stainless steel wire " can arch upward " from outer wrapped yarn winding screw line gap location, forms the arch camber outward appearance of yarn, cause stainless steel wire to give prominence to yam surface though unlikely, also can affect following process and fabric quality.This problem also there will be in cored, friendship sth. made by twisting etc. are with the technology of stainless steel filament processing composite yarn.
Utilize stainless steel fibre to develop special type function material, different reprocessing technology can be selected according to its final use, solve its machinability problem.But as previously mentioned, all there is certain problem in existing reprocessing technology, constrains the exploitation of the industry material of stainless steel fiber material.
From stainless steel fibre following process needs, the problem that must solve has the following aspects:
1. the coated problem of stainless steel fibre.Some goods requires that stainless steel fibre is not exposed on the surface, in order to avoid affect the outward appearance (stainless steel fibre has color and luster, and can not contaminate) of product itself; From the angle of following process, also do not wish that stainless steel fibre long filament is more exposed to thread material surface, to avoid rubbing crack may on functional impact (as anti-electromagnetic radiation function).
2. the performance degradation problem of stainless steel fibre.The larger twisting twist can cause the axial torsion of stainless steel filament, the performance of damage stainless steel fibre.
3. the Relative sliding problem of stainless steel filament and coated component.Due to stainless steel fibre smooth surface, when being subject to rubbing action, easily with coated component generation slippage, destroy yarn texture.
4. arch camber problem when yarn is subject to larger stretching external force.In the elongation produced because stainless steel core silk is subject to stretching external force, plastic deformation ratio is greater than general common yarn (filament yarn or short-term yarn), and external force can cause yarn arch camber because distortion can not be replied completely after removing.
Summary of the invention
The problems such as technical problem to be solved by this invention is to provide a kind of stainless steel wrap yarn and processing method thereof, arch camber when comprehensively can solve the coated tight of stainless steel functional yarn in prior art and reveal core, stainless steel fibre the performance degradation caused, stainless steel core silk and coated component core sheath slippage and yarn are subject to stretching action because twisting reverses.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of stainless steel wrap yarn, comprise stainless steel wire, wherein, described stainless steel wire forms twin-core yarn with serving as a contrast heart yarn and being combined, the diameter of described lining heart yarn is greater than the diameter of described stainless steel wire, be provided with outsourcing outside described twin-core yarn and twine yarn, described outer wrapped yarn comprises the first outer wrapped yarn and the second outer wrapped yarn, it is outer and envelope twin-core yarn that described first outer wrapped yarn and the second outer wrapped yarn are wrapped in twin-core yarn, and the winding direction of described first outer wrapped yarn and the second outer wrapped yarn is contrary.
Above-mentioned stainless steel wrap yarn, wherein, described lining heart yarn is non-twist filament yarn, low twist filament yarn or staple fibre yarn.
Above-mentioned stainless steel wrap yarn, wherein, described lining heart yarn is low twist filament yarn, and the described winding direction of the first outer wrapped yarn and the sth. made by twisting of low twist filament yarn are on the contrary.
Above-mentioned stainless steel wrap yarn, wherein, the diameter of described stainless steel wire is 30 ~ 40um, and described lining heart yarn is non-twist filament yarn or low twist filament yarn, described lining heart yarn diameter is at least more than 3 times of stainless steel wire diameter, and described stainless steel wire is embedded in described lining heart yarn.
The present invention also provides a kind of processing method of above-mentioned stainless steel wrap yarn for solving the problems of the technologies described above, double-contracting hollow ingot cover-spinning machine is utilized to carry out textile process, described double-contracting hollow ingot comprises the contrary lower hollow ingot of gyratory directions and upper hollow spindle, described processing method comprises the steps: a) to form twin-core gauze: introduce lining heart yarn, also closes form twin-core yarn with stainless steel wire; B) first time forward looping: by step a) in twin-core yarn through the central tube of lower hollow ingot, lower twizzle place with from being inserted in lower hollow ingot and the first outer wrapped yarn together with lower hollow ingot on pivotal aluminium ingot pipe under unwinding is joined mutually, the first outer wrapped yarn is along with the high speed rotary looping of lower hollow ingot is on described twin-core yarn; C) second time oppositely looping: the central tube wrapped yarn passing through first time forward looping being continued across upper hollow spindle, and join mutually at upper twizzle place and the second outer wrapped yarn on upper aluminium ingot pipe, the second outer wrapped yarn is along with the reverse looping of high speed rotary of upper hollow spindle is to step b) in wrapped yarn on; D) winding shaping: by step c) in the wrapped yarn that formed draw by drawing yarn roller, and to be wound up on bobbin by take up roll.
The processing method of above-mentioned stainless steel wrap yarn, wherein, described step a) comprises following process: be inserted in by stainless steel wire cylinder on the spike of stainless steel wire feeding frame, and the stainless steel wire of extraction, through the twizzle on stainless steel wire feeding frame and heart yarn twizzle, enters lower hollow ingot; Lining heart yarn, from after unwinding lining heart yarn cylinder is got off, walks around lining heart yarn lever jack, then through lining heart yarn tensioner and stainless steel wire heart yarn twizzle place can with after, enter lower hollow ingot together.
The processing method of above-mentioned stainless steel wrap yarn, wherein, described steps d) comprise following process: the wrap yarn after twice looping is drawn through drawing yarn roller, walk around wrap yarn lever jack, through the yarn poteye on traversing lever jack, do traverse motion, the spool being wound up into take up roll frictional drive becomes cheese.
The processing method of above-mentioned stainless steel wrap yarn, wherein, also comprise the described lining heart yarn tensioner of adjustment in real time, until heart yarn and the first outer wrapped yarn plotted point are positioned at lower twizzle place, heart yarn and the second outer wrapped yarn plotted point are positioned at twizzle place; And control draw yarn roller with take up roll by fixed rotating speed than running.
The processing method of above-mentioned stainless steel wrap yarn, wherein, described lining heart yarn is polyester full drawn yarn, and specification is 75D/36f, and described first outer wrapped yarn is polyester full drawn yarn, and specification is 100D/36f, and the looping twist is 800 twists/m, and looping is twisted with the fingers and twisted with the fingers to for Z; Described second outer wrapped yarn is Pure Cotton Combed Yarn, and line density is 60S, and the looping twist is 544 twists/m, and looping is twisted with the fingers and twisted with the fingers to for S.
The processing method of above-mentioned stainless steel wrap yarn, wherein, described lining heart yarn is corn/cotton blending ratio is the blended yarn of 30/70, line density is 40S, and described first outer wrapped yarn is polyester full drawn yarn, and specification is 100D/36f, the looping twist is 1000 twists/m, and looping is twisted with the fingers and twisted with the fingers to Z; Described second outer wrapped yarn is 70D/24f polyamide fibre fullly drawn yarn (FDY), and the looping twist is 680 twists/m, and looping is twisted with the fingers and twisted with the fingers to S.
The present invention contrasts prior art following beneficial effect: stainless steel wrap yarn provided by the invention and processing method thereof, introduce heart yarn lining and form twin-core yarn with stainless steel wire, again twice forward and reverse cross winding is carried out to twin-core yarn, form the stainless steel wrap yarn of " lining core-looping " structure, thus the problems such as arch camber when comprehensively can solve the coated tight of stainless steel functional yarn in prior art and reveal core, stainless steel fibre the performance degradation caused, stainless steel core silk and coated component core sheath slippage and yarn are subject to stretching action because twisting reverses.
Accompanying drawing explanation
Fig. 1 is stainless steel wrap yarn process schematic diagram of the present invention.
In figure:
1 stainless steel wire cylinder 2 stainless steel wire feeding frame 3 stainless steel wire
4 lining heart yarn cylinders 5 serve as a contrast heart yarn 6 and serve as a contrast heart yarn lever jack
7 lining heart yarn tensioner 8 heart yarn twizzles, 9 times hollow ingots
10 times outer wrapped yarns of aluminium ingot pipe 11 first, 12 times twizzles
The outer wrapped yarn of aluminium ingot pipe 15 second on 13 upper hollow spindles 14
On 16, twizzle 17 wrap yarn 18 draws yarn roller
19 lever jack 20 traversing lever jack 21 yarn poteyes
22 take up roll 23 cheeses
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is stainless steel wrap yarn process schematic diagram of the present invention.
Refer to Fig. 1, stainless steel wrap yarn provided by the invention comprises stainless steel wire, wherein, described stainless steel wire forms twin-core yarn with serving as a contrast heart yarn and being combined, the diameter of described lining heart yarn is greater than the diameter of described stainless steel wire, be provided with outsourcing outside described twin-core yarn and twine yarn, described outer wrapped yarn comprises the first outer wrapped yarn and the second outer wrapped yarn, it is outer and envelope twin-core yarn that described first outer wrapped yarn and the second outer wrapped yarn are wrapped in twin-core yarn, and the winding direction of described first outer wrapped yarn and the second outer wrapped yarn is contrary.
Stainless steel wrap yarn provided by the invention, wherein, described lining heart yarn is non-twist filament yarn, low twist filament yarn or staple fibre yarn; Described lining heart yarn is low twist filament yarn, and the described winding direction of the first outer wrapped yarn and the sth. made by twisting of low twist filament yarn are on the contrary; The diameter of described stainless steel wire is preferably 30 ~ 40um, and described lining heart yarn is non-twist filament yarn or low twist filament yarn, and described lining heart yarn diameter is at least more than 3 times of stainless steel wire diameter, and described stainless steel wire is embedded in described lining heart yarn.
The present invention also provides a kind of processing method of above-mentioned stainless steel wrap yarn, and utilize double-contracting hollow ingot cover-spinning machine to carry out textile process, described double-contracting hollow ingot comprises the contrary lower hollow ingot of gyratory directions and upper hollow spindle, and described processing method comprises the steps:
A) form twin-core gauze: introduce lining heart yarn 5, also close with stainless steel wire 3 and form twin-core yarn;
B) first time forward looping: by step a) in twin-core yarn through the central tube of lower hollow ingot 9, lower twizzle 12 place with from being inserted in lower hollow ingot 9 and the first outer wrapped yarn 11 phase together with lower hollow ingot on pivotal lower aluminium ingot pipe 10 under unwinding is joined, the first outer wrapped yarn 11 is along with the high speed rotary looping of lower hollow ingot 9 is on described twin-core yarn;
C) second time oppositely looping: the central tube wrapped yarn passing through first time forward looping being continued across upper hollow spindle 13, and at upper twizzle 16 place with second on upper aluminium ingot pipe 14 outer wrapped yarn 15 phase join, the second outer wrapped yarn 15 is along with the reverse looping of high speed rotary of upper hollow spindle 13 is to step b) in wrapped yarn on;
D) winding shaping: by step c) in the wrapped yarn that formed draw by drawing yarn roller 18, and to be wound up on bobbin by take up roll 22.
Specific embodiment of the present invention is as follows: stainless steel wire cylinder 1 is inserted on self-control stainless steel wire feeding frame 2 spike, and the stainless steel wire 3 of extraction, through the twizzle on stainless steel wire feeding frame 2 and heart yarn twizzle 8, enters lower hollow ingot 9.Because stainless steel wire cylinder radial unwinding has certain steering resistance, stainless steel wire 3 and stainless steel wire feed frame 2 twizzle and heart yarn twizzle 8 has certain frictional resistance in addition, therefore can ensure to enter the tension force that the stainless steel wire of lower hollow ingot 9 is certain.Lining heart yarn 5, from after unwinding lining heart yarn cylinder 4 is got off, walks around lining heart yarn lever jack 6, then through lining heart yarn tensioner 7 and stainless steel wire 3 at heart yarn twizzle 8 place can and, enter lower hollow ingot 9 together.Because lining heart yarn unwinding tension is little, therefore need to arrange lining heart yarn tensioner 7, to adjust lining heart yarn tension force as required.Twin-core yarn is through the central tube of lower hollow ingot 9, lower twizzle 12 place and the first outer wrapped yarn 11 can and, first outer wrapped yarn 11 is wound on lower aluminium ingot pipe 10, carry spindle band transmission under high speed rotary, formed the first time of heart yarn is wound around, the first outer wrapped yarn 11 helically wire looping on heart yarn.Pass through the hollow pipe of yarn through upper hollow spindle 13 of first time looping, upper twizzle 16 place to be wound on aluminium ingot pipe 14 and with on the reverse looping effect of the second outer wrapped yarn 15 of aluminium ingot pipe high speed rotary, form the wrap yarn 17 of twice looping, wrap yarn 17 is drawn through drawing yarn roller 18, walk around wrap yarn lever jack 19, through the yarn poteye 21 on traversing lever jack 20, do traverse motion, the spool being wound up into take up roll 22 frictional drive becomes cheese 23.Draw yarn roller 18 and will ensure certain rotating ratio, to ensure that winding shaping is good with take up roll 22.When heart yarn tension force is abnormal, air ring during upper and lower wrapped yarn looping heart yarn is abnormal, heart yarn and outer wrapped yarn plotted point can leave twizzle place, now, need adjustment lining heart yarn tensioner 7 in real time, until heart yarn and the first outer wrapped yarn 11 plotted point are positioned at lower twizzle 12 place, be positioned at upper twizzle 16 place with the second outer wrapped yarn 15 plotted point.
Embodiment one: stainless steel wire specification 32 μm, lining heart yarn is polyester full drawn yarn (Fullydrawnyarn, FDY), and (75D is the total linear density referring to multifilament is 75 DENIER to 75D/36f; DENIER is line density unit, refers to when official regain, the weight grams that the fiber of 9000 meters long or yarn have), 36F represents that the yarn of this root 75D is made up of 36 monofilament), the first outer wrapped yarn is polyester DTY, 100D/36f, the looping twist 800 twists with the fingers/m, and looping is twisted with the fingers and twisted with the fingers to Z; Second outer wrapped yarn is textile 60S combed yarn, and the looping twist 544 twists with the fingers/m, and looping is twisted with the fingers and twisted with the fingers to S.60S represents that the line density of yarn is that 60 English prop up, and English props up and generally represents with S.English props up as yarn linear density unit made in Great Britain, refers to when official regain made in Great Britain, the yarn of 1 pound weight, the multiple of 840 yards that its length has.Structure that this wrap yarn has " cotton lid is washed " is suitable to wearing next to the skin raw material that is antistatic, anti-radiation garment fabric.
Embodiment two: stainless steel wire specification 32 μm, lining heart yarn is corn/cotton blending ratio is the blended yarn of 30/70, and line density is 40S, and the first outer wrapped yarn is polyester DTY, 100D/36f, and the looping twist 1000 twists with the fingers/m, and looping is twisted with the fingers and twisted with the fingers to Z; Second outer wrapped yarn is 70D/24f polyamide fibre DTY, and the looping twist 680 twists with the fingers/m, and looping is twisted with the fingers and twisted with the fingers to S.This wrap yarn is using terylene and polyamide fibre as outer wrapped yarn, and ABRASION RESISTANCE is good, and comfortableness is excellent, non-antistatic, the radiation proof Work Clothes fabric worn next to the skin of suitable for making.
In sum, the present invention with hollow ingot cover-spinning machine for process equipment, with one have less stretcher strain ability (larger stretch modulus) non-twist/low twist filament yarn (FDY) or short-term yarn close after passive unwinding respectively for " lining core " and stainless steel wire under suitable tension force, together as heart yarn, composition twin-core yarn, again twice " X to " cross winding is carried out to twin-core yarn, the stainless steel wrap yarn of spinning " lining core-looping " structure, thus comprehensively can solve the coated tight of stainless steel functional yarn in prior art and reveal core, the performance degradation that stainless steel fibre causes because twisting reverses, the problems such as arch camber when stainless steel core silk and coated component core sheath slippage and yarn are subject to stretching action.Concrete advantage is as follows: 1, by the introducing of lining heart yarn, and also close with stainless steel wire and form twin-core yarn, lining heart yarn forms " covering " effect to stainless steel wire, significantly can improve dew core phenomenon.Under the winding effect of twin-core yarn wrapped yarn outside, fit tightly together, diameter only has the stainless steel wire of 30-40 μm even " can embed " apparent diameter to be at least its lining heart yarn of more than 3 times.As adopted short-term yarn for lining heart yarn, the filoplume of short-term yarn also has certain covering effect to stainless steel wire; As adopted non-twist filament yarn (multifilament), stainless steel wire can embed in lining heart yarn; As adopted low twist multifilament as lining heart yarn, select during a lower ingot looping sth. made by twisting contrary with multifilament to, under hollow ingot false twisting effect, multifilament lining yarn backtwisting, makes stainless steel wire also can " embed " and serves as a contrast heart yarn.Lining heart yarn, improves significantly to possibility " dew core " phenomenon more than 50% to the masked area of stainless steel wire.Under the prerequisite ensureing same coverage effect, the looping twist can be reduced, make the structure of yarn more stable.2, hollow ingot wraping spinning technology spinning stainless steel wrap yarn is adopted, stainless steel heart yarn only can produce more weak false twisting under the rubbing action of hollow bolster, instead of the pressure as cladded yarn and twisted union yarn adds the stronger twist, the remarkable damage of stainless steel wire performance can not be caused.3, by the introducing of lining heart yarn, also close with stainless steel wire and form twin-core yarn, the CONTACT WITH FRICTION area of heart yarn and outer wrapped yarn increases (serve as a contrast heart yarn diameter and generally all can be greater than stainless steel wire), simultaneously because outer wrapped yarn and the coefficient of friction of lining heart yarn generally all can be greater than the coefficient of friction of outer wrapped yarn and stainless steel wire, total frictional force of heart yarn and outer wrapped yarn enlarges markedly, " mutual slippage difficulty, thus solves core sheath slippage preferably.4, by the introducing of the lining heart yarn of larger stretch modulus, also close with stainless steel wire and form twin-core yarn, increase the stretch modulus of yarn, when yarn is subject to identical stretching External Force Acting, yarn stretcher strain reduces, and can improve arching phenomenon when yarn is subject to stretching action.In addition because lining heart yarn is to the constraint of stainless steel wire, even partial picture stainless steel wire can embed lining heart yarn, also can play good inhibition to the arch camber of stainless steel wire.
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little amendment and perfect, therefore protection scope of the present invention is when being as the criterion of defining with claims.
Claims (10)
1. a stainless steel wrap yarn, comprise stainless steel wire, it is characterized in that, described stainless steel wire forms twin-core yarn with serving as a contrast heart yarn and being combined, the diameter of described lining heart yarn is greater than the diameter of described stainless steel wire, is provided with outsourcing and twines yarn outside described twin-core yarn, and described outer wrapped yarn comprises the first outer wrapped yarn and the second outer wrapped yarn, it is outer and envelope twin-core yarn that described first outer wrapped yarn and the second outer wrapped yarn are wrapped in twin-core yarn, and the winding direction of described first outer wrapped yarn and the second outer wrapped yarn is contrary.
2. stainless steel wrap yarn according to claim 1, is characterized in that, described lining heart yarn is non-twist filament yarn, low twist filament yarn or staple fibre yarn.
3. stainless steel wrap yarn according to claim 2, is characterized in that, described lining heart yarn is low twist filament yarn, and the described winding direction of the first outer wrapped yarn and the sth. made by twisting of low twist filament yarn are on the contrary.
4. stainless steel wrap yarn according to claim 2, it is characterized in that, the diameter of described stainless steel wire is 30 ~ 40um, described lining heart yarn is non-twist filament yarn or low twist filament yarn, described lining heart yarn diameter is at least more than 3 times of stainless steel wire diameter, and described stainless steel wire is embedded in described lining heart yarn.
5. the processing method of a stainless steel wrap yarn as claimed in claim 1, it is characterized in that, utilize double-contracting hollow ingot cover-spinning machine to carry out textile process, described double-contracting hollow ingot comprises the contrary lower hollow ingot of gyratory directions and upper hollow spindle, and described processing method comprises the steps:
A) form twin-core gauze: introduce lining heart yarn, also close with stainless steel wire and form twin-core yarn;
B) first time forward looping: by step a) in twin-core yarn through the central tube of lower hollow ingot, lower twizzle place with from being inserted in lower hollow ingot and the first outer wrapped yarn together with lower hollow ingot on pivotal aluminium ingot pipe under unwinding is joined mutually, the first outer wrapped yarn is along with the high speed rotary looping of lower hollow ingot is on described twin-core yarn;
C) second time oppositely looping: the central tube wrapped yarn passing through first time forward looping being continued across upper hollow spindle, and join mutually at upper twizzle place and the second outer wrapped yarn on upper aluminium ingot pipe, the second outer wrapped yarn is along with the reverse looping of high speed rotary of upper hollow spindle is to step b) in wrapped yarn on;
D) winding shaping: by step c) in the wrapped yarn that formed draw by drawing yarn roller, and to be wound up on bobbin by take up roll.
6. the processing method of stainless steel wrap yarn according to claim 5, it is characterized in that, described step a) comprises following process: be inserted in by stainless steel wire cylinder on the spike of stainless steel wire feeding frame, the stainless steel wire of drawing, through the twizzle on stainless steel wire feeding frame and heart yarn twizzle, enters lower hollow ingot; Lining heart yarn, from after unwinding lining heart yarn cylinder is got off, walks around lining heart yarn lever jack, then through lining heart yarn tensioner and stainless steel wire heart yarn twizzle place can with after, enter lower hollow ingot together.
7. the processing method of stainless steel wrap yarn according to claim 6, it is characterized in that, described steps d) comprise following process: the wrap yarn after twice looping is drawn through drawing yarn roller, walk around wrap yarn lever jack, through the yarn poteye on traversing lever jack, do traverse motion, the spool being wound up into take up roll frictional drive becomes cheese.
8. the processing method of stainless steel wrap yarn according to claim 7, it is characterized in that, also comprise the described lining heart yarn tensioner of adjustment in real time, until heart yarn and the first outer wrapped yarn plotted point are positioned at lower twizzle place, heart yarn and the second outer wrapped yarn plotted point are positioned at twizzle place; And control draw yarn roller with take up roll by fixed rotating speed than running.
9. stainless steel wrap yarn according to claim 1, is characterized in that, described lining heart yarn is polyester full drawn yarn, specification is 75D/36f, and described first outer wrapped yarn is polyester full drawn yarn, and specification is 100D/36f, the looping twist is 800 twists/m, and looping is twisted with the fingers and twisted with the fingers to for Z; Described second outer wrapped yarn is Pure Cotton Combed Yarn, and line density is 60S, and the looping twist is 544 twists/m, and looping is twisted with the fingers and twisted with the fingers to for S.
10. stainless steel wrap yarn according to claim 1, is characterized in that, described lining heart yarn is corn/cotton blending ratio is the blended yarn of 30/70, line density is 40S, and described first outer wrapped yarn is polyester full drawn yarn, and specification is 100D/36f, the looping twist is 1000 twists/m, and looping is twisted with the fingers and twisted with the fingers to Z; Described second outer wrapped yarn is 70D/24f polyamide fibre fullly drawn yarn (FDY), and the looping twist is 680 twists/m, and looping is twisted with the fingers and twisted with the fingers to S.
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