CN106400233A - Rotor spinning process of low-count low-twist yarn and untwisted yarn prepared with the same - Google Patents
Rotor spinning process of low-count low-twist yarn and untwisted yarn prepared with the same Download PDFInfo
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- CN106400233A CN106400233A CN201610789199.XA CN201610789199A CN106400233A CN 106400233 A CN106400233 A CN 106400233A CN 201610789199 A CN201610789199 A CN 201610789199A CN 106400233 A CN106400233 A CN 106400233A
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000007383 open-end spinning Methods 0.000 title claims abstract description 35
- 230000008569 process Effects 0.000 title claims abstract description 32
- 229920000742 Cotton Polymers 0.000 claims abstract description 98
- 238000009960 carding Methods 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920002978 Vinylon Polymers 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 14
- 238000009987 spinning Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000011002 quantification Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 4
- 230000013872 defecation Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007378 ring spinning Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 206010020880 Hypertrophy Diseases 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
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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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/08—Twist arresters
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
- D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
- D01H7/86—Multiple-twist arrangements, e.g. two-for-one twisting devices ; Threading of yarn; Devices in hollow spindles for imparting false twist
-
- 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
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
-
- 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
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled threads
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
Abstract
The invention discloses a rotor spinning process of low-count low-twist yarn and untwisted yarn prepared with the same. The process comprises following steps: cotton assorting: the cotton assortment raw material comprises raw cotton and leftover bits and pieces; scutching: cotton grasping, cotton blending and cotton opening are performed on the raw cotton after the cotton assorting process; carding: further opening and purifying are performed on the cotton after the scutching process to obtain uniformly carded cotton slivers; drawing: the cotton slivers after the carding process are doubled; rotor spinning: carding, rotor cohesion and twisting are performed on the cotton slivers after the drawing process; two-for-one twisting: twisting is performed on rotor spinning yarn and water soluble vinylon to from plied yarns; untwisting: yarn formed from the rotor spinning process is boiled in water bath. The untwisted yarn prepared with the rotor spinning process of low-count low-twist yarn can increase the thickness of fabrics, has soft hand feel, is light, breathable, plump and comfortable, which can meet the demands of the market.
Description
Technical field
The present invention relates to technical field of textile industry, more particularly, to a kind of low number zero twisted yarn and its spinning method for genuine.
Background technology
Zero twisted yarn is to be wrapped over around cotton fiber bundle and constituted fasciated yarn using the water-soluble silk of solubility or mulberry silk, water-soluble
Silk is dissolved in the water in follow-up " boiling sth. made by twisting " technique, makes yarn be in non-twist soft fluffy state.The appearance of zero twisted yarn solves multilamellar and knits
Thing, gauze towel, bed necessaries, baby's child's dress ornament conventional interlayer yarn, the partially firmly not fluffy problem of feel, and the common yarn twist
The little spinning causing is difficult and weaves the problem that broken end increases.The utility model patent of Application No. 201020694228.2 is open
A kind of Untwisted yarn, the cotton fiber bundle of use is 20 single thread of cotton of 56.7 sth. made by twisting/10 centimetre, the dimension twisting with the fingers/10 centimetres with 166.5
120 single thread of synthetic fibre simultaneously synthesize the zero twisted yarn that the twist is 56.7 sth. made by twisting/10 centimetre.But the interlayer yarn in gauze class bed necessaries and high-grade family
More preferable fabric thickness, flexibility, slim and graceful breathability and full comfortableness is pursued, this requires using more on the adornment of tool
Low number, the yarn of low twist are preparing zero twisted yarn.
Revolving cup spinning is a kind of technology maturation, widely used spinning method, and its floor space is little, flow process is short, recruitment
Less, efficiency high, has high speed high yield, supermatic feature, greatly improves the production capacity of cotton mill；And yarn package
Greatly, joint is few, resultant yarn is uniform, deep is welcome by weaving mill.But the ratio of twist of the yarn that current rotor spinning machine is produced
Higher can not meet the requirement to product flexibility and slim and graceful breathability on market.
Content of the invention
It is an object of the invention to provide a kind of zero twisted yarn of low number low-twist yarn preparation and its rotor spinning technique, with
Solve in prior art the number of yarn and the twist is higher can not meet on market to product thickness, flexibility, slim and graceful breathability
Requirement with full comfortableness.
For achieving the above object, the invention provides a kind of rotor spinning technique of low number low-twist yarn and its preparation
Zero twisted yarn, comprises the following steps：
Distribute cotton, the composition of raw material of distributing cotton is raw cotton and leftover bits and pieces；
Blowing, carries out grabbing cotton, mixed cotton and opener to the raw material after described PROCESS FOR TREATMENT of distributing cotton；
Cotton carding, carries out further shredding, remove impurity to the Cotton Gossypii processing through described blowing process, combing uniformly cotton
Bar；
Drafting, carries out and closes to the cotton sliver being formed through described carding process；
Rotor spinning, carries out a point comb, revolving cup cohesion to the cotton sliver being formed through described drawing process
Double twisting, rotor spinning and water soluble vinylon carry out twisting and form stock yarn；
Backtwisting, boils sth. made by twisting in a water bath to the yarn being formed through described rotor spinning technique.
Preferably, described distribute cotton operation selection raw material be 17% raw cotton and 83% spinning workshop leftover bits and pieces.
Preferably, described cotton cleaning process griping cotton machine hired roughneck's rotating speed is 1200r/min, captures depth≤2.5mm, grabs cotton dolly
The speed of service >=17m/min, opener Beater Speed is 520r/min, and four groups of dirt rod angles are respectively 24 °, 27 °, 27 °, 6 °,
Main remove impurity owner's licker-in rotating speed is 420r/min, main licker-in and the first combing plate gauge entrance, outlet respectively 2.5mm,
2.0mm, main licker-in and the second combing plate gauge entrance, outlet are respectively 1.5mm, 1.0mm.
Preferably, described carding step hopper plucker roller rotating speed is 1020r/min, and cylinder rotating speed is 435r/min, licker-in
Rotating speed is 970r/min, and stannum thorn ratio is 2.3, and cover plate speed is 318mm/min, and the big centre of cover plate and 5 points of gauge two of cylinder is little
It is respectively 0.203mm, 0.178mm, 0.178mm, 0.178mm, 0.203mm, increase the securing cover plate in front and back of carding machine, before setting
Securing cover plate is 5, back stationary plate is 4, and weight of card sliver is set as 23.5g/5m, and sliver exporting speed is 145m/min.
Preferably, described mixing in doubling step includes pre-drawing operation and two road mixing in doubling step, in described pre-drawing operation, shaping
Quantitation be set as 23.5g/5m, dominant draft multiple be 3.459 times, back zone drafting multiple be 2.0 times, drawing-off gauge be 3mm ×
9mm, cotton sliver combined roots are 7, sliver exporting speed≤330m/min；In described two road mixing in doubling step, cotton sliver combined roots are 7
Root, the quantification of 22g/5m of shaping, 7.477 times of total draft multiple, back zone drafting multiple is 1.179 times, and dominant draft multiple configures
6.341 times, the effect of prominent main drawing area, roller gauge is set as 3mm × 10mm, sliver exporting speed≤330m/min.
Preferably, described rotor spinning operation combing roller rotating speed is 8500r/min, and revolving cup actual speed is 29000r/
Min, cotton sliver condenses in the cup of a diameter of φ 50mm through the single fiber that combing roller is formed, and repiece delay adjustmentses are 80 millis
Second, Nanel selects four cutting Nanels, double twisting rotating speed≤4000r/min.
Preferably, described backtwisting operation is to carry out boiling sth. made by twisting in 80 DEG C～90 DEG C of water-bath.
Preferably, described zero twisted yarn includes cotton fiber bundle and water-soluble PVA.Described cotton fiber bundle and described water-soluble PVA warp
Double twisting technique add S twist with the fingers, described Untwisted yarn and close the twist be 28 twist with the fingers/10 centimetres.
Preferably, described cotton fiber bundle is 5 single thread of cotton that Z twist yarn, the twist are 28 sth. made by twisting/10 centimetre.
Preferably, described water-soluble PVA is 60 water-soluble PVA monofilament of no twist.
Therefore, the present invention be increased using the above-mentioned low Rotor spinning processes of number low-twist yarn and its zero twisted yarn of preparation
Fabric thickness, soft, merrily and lightheartedly breathe freely, the full comfortable demand that disclosure satisfy that market.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description
Fig. 1 is the flow chart of the embodiment of the present invention.
Specific embodiment
Below with reference to drawings and Examples, the invention will be further described, it should be noted that the present embodiment with
Premised on the technical program, give detailed embodiment and specific operating process, but protection scope of the present invention is not
It is limited to the present embodiment.
Embodiment
Fig. 1 is the flow chart of the embodiment of the present invention, as shown in figure 1, a kind of low number low-twist yarn prepares zero twisted yarn
Rotor spinning technique, its technological process is：Distribute cotton-blowing-cotton carding-drafting (2 road)-rotor spinning-double twisting-backtwisting.
(1) step 101, the described raw material distributing cotton operation selection is raw cotton and spinning workshop leftover bits and pieces.Rotor spinning is unique
Spinning form determine that it is high to ingredient requirement, for reduces cost, increase the benefit, through repetition test, reasonable cotton,
Under the premise of ensureing that resultant yarn index is constant, distribute cotton and reduce raw cotton input ratio, increase RING SPINNING leftover bits and pieces and put into ratio.Specifically join
Cotton composition is：Blowing defecation cotton 7%, cotton carding defecation cotton 30%, rotor spinning itself defecation cotton 10%, cotton noils 26%, carefully
Yarn bellows spend 10%, raw cotton 17%.
(2) step 102, described cotton cleaning process is that the Cotton Gossypii processing described operation of distributing cotton carries out grabbing cotton, mixed cotton and opens
Cotton.Blowing process designs impurity to be realized " caducous few broken ", to raw cotton " abundant shredding, reduces and hit, and reduces chopped fiber hypertrophy ".
Due to mostly being RING SPINNING leftover bits and pieces in raw material, impurity is more, should improve each operation Beater Speed as far as possible, reduce carding isolation distance,
Reduce mote knife gauge.
The principle of " duty is grabbed and grabbed less, is sufficiently mixed " followed by griping cotton machine, and cotton hired roughneck rotating speed 1200r/min grabbed by griping cotton machine, crawl
Depth is less than 2.5mm, grabs cotton crab traversing speed and is not less than 17m/min.Opener follows the principle of " caducous few broken ", single shaft
Stream opener Beater Speed 520r/min, second group of dirt rod angle is greater than first group of dirt rod angle, cotton flow by when, dirt rod
Cutting boundary-layer, is conducive to fully falling miscellaneous.Main de-burring machine is most important shredding, impurity removal mechanism in cotton cleaning process, and main licker-in turns
Speed is 420r/min, main licker-in and the first combing plate gauge entrance 2.5mm, exports 2mm, with the second combing plate gauge entrance
1.5mm, outlet 1mm, the higher main licker-in rotating speed of less technique gauge cooperation is it is ensured that impurity quilt under larger centrifugal action
Dish out, increase falls miscellaneous.
(3) step 103, described carding step be the Cotton Gossypii that described cotton cleaning process was processed carry out further shredding,
Remove impurity, combing uniformly cotton sliver.In order to the abundant shredding of sheet cotton and the combing of fiber, set feeding hopper plucker roller rotating speed as
1020r/min, cylinder rotating speed is 435r/min, and licker-in rotating speed is 970r/min, and stannum thorn ratio is 2.3, and securing cover plate rotating speed is
318mm/min.In order to increase combing region, carding machine repack into front securing cover plate be 5, back stationary plate be 4, favourable
Improve cotton knot integral level, and despumation.Weight of card sliver technological design is 23.5g/5m, and sliver exporting speed is 145m/min,
To improve yield it is ensured that supplying.
(4) step 104, described mixing in doubling step is that the cotton sliver processing described carding step carries out and closes, and improves fiber
Separating degree and extended parallelization.Drafting follow " so that fiber is fully stretched, parallel, few damage, reduce hooked fibre " principle.
Should ensure in pre drawing process fiber stretch to a certain extent, parallel, be sufficiently mixed, fiber also to be prevented is too ripe
Too rotten, adversely affect to later process, therefore will suitably increase pre-drawing operation back zone drafting multiple and increase pre-drawing
Shaping quantitative.Specific process parameter is：The pre- simultaneously quantification of 23.5g/5m of shaping, dominant draft multiple is 3.459 times, back area draft
Multiple is 2.0 times, and cotton sliver is simultaneously and radical is 7 simultaneously with sliver exporting speed is not higher than 330m/mim, prevents roller from returning the thick of flower-shape one-tenth
Carefully irregular.
Two road drafting emphasis improve fibre separation index and extended parallelization, using " total draft multiple is big, back zone drafting multiple
Little " technological principle.Specific process parameter is：Cotton sliver is simultaneously and radical is 7 simultaneously with total draft multiple is 7.477 times, and back zone is led
Stretch multiple and be 1.179 times, dominant draft multiple is configured to 6.341 times, the effect of prominent main drawing area.
(5) step 105, described rotor spinning operation is by described drawing process and the cotton sliver after closing carries out point comb, a revolving cup
Cohesion and twisting.5 yarn yarn cross section number of fiber are more, if if its twist height, the cohesive force between fiber is big, follow-up
Backtwisting during, be coated with more in disorder fiber around cotton fiber bundle, the loft of yarn and outward appearance do not reach market
Require, the twist therefore reducing yarn is the key obtaining compared with high-loft.5 yarns be can reach market demand it is desirable to its
Actual twist not higher than 28 twists with the fingers/10 centimetres, and prior art and equipment can not produce 5 yarns of so low twist.
In order to reach the requirement of 5 yarn low twist, through research, by changing the frequency conversion motor frequency of transmission revolving cup, can be real
Reduce while existing rotational speed of rotor and the twist, adjust alarming value and the percentage ratio of each part accordingly.By adjusting frequency conversion motor
Frequency revolving cup actual speed can be made to be reduced to below 30000r/min, actual measurement yarn twist is reduced to below 30 sth. made by twisting/10 centimetre,
The revolving cup actual speed of the Revolving cup spinning that the present invention selects is 29000r/min.
Because 5 yarn yarn cross section number of fiber are more, major diameter revolving cup need to be selected, larger space is conducive to fiber to stretch
Directly, and have abundance room and time formed false twisting smoothly continuously to export, reduce broken end, therefore select a diameter of φ
The revolving cup of 50mm.In 5 yarn yarn cross sections, number of fiber is many, and " repiece time delay " time sets oversize, easy shape with drawing yarn length
Become slubbing fault, " repiece time delay " time and to draw yarn length too short and can not draw fiber from revolving cup well, cause behaviour
In work, repiece, joint failure, affect production efficiency.Through repetition test research, the time setting repiece time delay is as 80 milliseconds.
Replace spiral Nanel using four cutting Nanels, Nanel frictional resistance is big, false twisting effect is big, to a certain degree
The upper reduction twist, under same rotational speed of rotor, yield increases, and end breakage rate reduces, and yarn texture is fluffy, and dyeability is good.
(6) step 106, for preventing 5 yarns and 60 water-soluble thread tensions inconsistent and produce " plait yarn " during double twisting
Phenomenon, using relatively low rotating speed, is usually no more than 4000r/min, for preventing twist irregularity phenomenon and double twisting operation broken end, with relatively
Big tension scale is it is ensured that 5 yarn grip hold arcs on twist yarn tank again are failed to grow up in yarn tank one girth, to ensure turn transmission all
Even, twisting is stable, reduces Twist Unevenness.5 low twist yarns are Z twist yarn, add S with 60 water-soluble PVA through double twisting technique
Twist with the fingers, after twisting and close the twist be 28 twist with the fingers/10 centimetres.
(6) step 107, described backtwisting operation is that the yarn being formed through described rotor spinning technique is boiled in a water bath
Twist with the fingers, complete backtwisting, form zero twisted yarn.After 5 low twist yarns of Revolving cup spinning and water-soluble silk double twisting, weaving, using the feature of water-soluble silk,
80 DEG C～90 DEG C of water-bath carries out boiling sth. made by twisting, water-soluble silk is completely dissolved, Z twists with the fingers the counteracting force that 5 yarns of Revolving cup spinning are twisted with the fingers in double twisting S
Under, complete backtwisting, form zero twisted yarn.
Therefore, the present invention adopts the rotor spinning technique of above-mentioned low number low-twist yarn and its zero twisted yarn of preparation to increase
Fabric thickness, soft, merrily and lightheartedly breathe freely, the full comfortable demand that disclosure satisfy that market.
Finally it should be noted that：Above example only in order to technical scheme to be described rather than be limited,
Although being described in detail to the present invention with reference to preferred embodiment, it will be understood by those within the art that：Its according to
So technical scheme can be modified or equivalent, and these modifications or equivalent also can not make to repair
Technical scheme after changing departs from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of rotor spinning technique of low number low-twist yarn and its zero twisted yarn of preparation it is characterised in that：Including following
Step：
Distribute cotton, the composition of raw material of distributing cotton is raw cotton and spinning workshop leftover bits and pieces；
Blowing, carries out grabbing cotton, mixed cotton and opener to the raw material after described PROCESS FOR TREATMENT of distributing cotton；
Cotton carding, carries out further shredding, remove impurity to the Cotton Gossypii processing through described blowing process, combing uniformly cotton sliver；
Drafting, carries out and closes to the cotton sliver being formed through described carding process；
Rotor spinning, carries out a point comb, revolving cup cohesion to the cotton sliver being formed through described drawing process；
Double twisting, rotor spinning and water soluble vinylon carry out twisting and form stock yarn；
Backtwisting, boils sth. made by twisting in a water bath to the yarn being formed through described rotor spinning technique.
2. the zero twisted yarn of a kind of rotor spinning technique of low number low-twist yarn according to claim 1 and its preparation,
It is characterized in that：Described distribute cotton operation selection raw material be 17% raw cotton and 83% spinning workshop leftover bits and pieces.
3. the zero twisted yarn of a kind of rotor spinning technique of low number low-twist yarn according to claim 1 and its preparation,
It is characterized in that：Described cotton cleaning process griping cotton machine hired roughneck's rotating speed is 1200r/min, captures depth≤2.5mm, grabs cotton trolley travelling
Speed >=17m/min, opener Beater Speed is 520r/min, and four groups of dirt rod angles are respectively 24 °, 27 °, 27 °, 6 °, and master removes
Miscellaneous owner's licker-in rotating speed is 420r/min, and main licker-in and the first combing plate gauge entrance, outlet are respectively 2.5mm, 2.0mm, main
Licker-in and the second combing plate gauge entrance, outlet are respectively 1.5mm, 1.0mm.
4. the zero twisted yarn of a kind of rotor spinning technique of low number low-twist yarn according to claim 1 and its preparation,
It is characterized in that：Described carding step hopper plucker roller rotating speed is 1020r/min, and cylinder rotating speed is 435r/min, licker-in rotating speed
For 970r/min, cover plate speed is 318mm/min, the little respectively 0.203mm in the big centre of cover plate and 5 points of gauge two of cylinder,
0.178mm, 0.178mm, 0.178mm, 0.203mm, before carding machine securing cover plate be 5, back stationary plate be 4, the carded sliver is fixed
Amount is set as 23.5g/5m, and sliver exporting speed is 145m/min.
5. the zero twisted yarn of a kind of rotor spinning technique of low number low-twist yarn according to claim 1 and its preparation,
It is characterized in that：Described mixing in doubling step includes pre-drawing operation and two road mixing in doubling step,
In described pre-drawing operation, shaping is quantitatively set as 23.5g/5m, and dominant draft multiple is 3.459 times, back zone drafting multiple
For 2.0 times, drawing-off gauge is 3mm × 9mm, and cotton sliver combined roots are 7, sliver exporting speed≤330m/min；
In described two road mixing in doubling step, cotton sliver combined roots are 7, the quantification of 22g/5m of shaping, and total draft multiple is 7.477
Times, back zone drafting multiple is 1.179 times, and dominant draft multiple configures 6.341 times, the effect of prominent main drawing area, and roller gauge sets
It is set to 3mm × 10mm, sliver exporting speed≤330m/min.
6. the zero twisted yarn of a kind of rotor spinning technique of low number low-twist yarn according to claim 1 and its preparation,
It is characterized in that：Described rotor spinning operation combing roller rotating speed is 8500r/min, and revolving cup actual speed is 29000r/min, cotton
Bar condenses in the cup of a diameter of φ 50mm through the single fiber that combing roller is formed, and repiece delay adjustmentses are 80 milliseconds, resistance twist
Disk selects four cutting Nanels, double twisting rotating speed≤4000r/min.
7. the zero twisted yarn of a kind of rotor spinning technique of low number low-twist yarn according to claim 1 and its preparation,
It is characterized in that：Described backtwisting operation is to carry out boiling sth. made by twisting in 80 DEG C～90 DEG C of water-bath.
8. the zero twisted yarn of rotor spinning technique preparation according to claims 1 to 7 it is characterised in that：Described zero twisted yarn bag
Include cotton fiber bundle and water-soluble PVA, through double twisting technique, described cotton fiber bundle adds that S twists with the fingers with described water-soluble PVA, described Untwisted yarn
And close the twist be 28 twist with the fingers/10 centimetres.
9. rotor spinning technique according to claim 8 preparation zero twisted yarn it is characterised in that：Described cotton fiber bundle is Z
Twist yarn, the twist are 5 single thread of cotton of 28 sth. made by twisting/10 centimetre.
10. rotor spinning technique according to claim 8 preparation zero twisted yarn it is characterised in that：Described water-soluble PVA is
60 water-soluble PVA monofilament of no twist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789199.XA CN106400233A (en) | 2016-08-31 | 2016-08-31 | Rotor spinning process of low-count low-twist yarn and untwisted yarn prepared with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789199.XA CN106400233A (en) | 2016-08-31 | 2016-08-31 | Rotor spinning process of low-count low-twist yarn and untwisted yarn prepared with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106400233A true CN106400233A (en) | 2017-02-15 |
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| CN109505040A (en) * | 2018-11-20 | 2019-03-22 | 江阴艾泰克机械制造有限公司 | It is a kind of for enhancing the Yarn spinning method and equipment of soft yarns sense |
| CN113529224A (en) * | 2021-07-19 | 2021-10-22 | 深圳全棉时代科技有限公司 | Manufacturing process of pure cotton low-twist fluffy yarn, fabric and fabric product |
| CN114016168A (en) * | 2021-11-29 | 2022-02-08 | 河北宏润新型面料有限公司 | High-count open-end spinning process |
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| CN114016168A (en) * | 2021-11-29 | 2022-02-08 | 河北宏润新型面料有限公司 | High-count open-end spinning process |
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