CN109972252A - High-count pure cotton yarn production method - Google Patents
High-count pure cotton yarn production method Download PDFInfo
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- CN109972252A CN109972252A CN201910322628.6A CN201910322628A CN109972252A CN 109972252 A CN109972252 A CN 109972252A CN 201910322628 A CN201910322628 A CN 201910322628A CN 109972252 A CN109972252 A CN 109972252A
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 168
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 241000219146 Gossypium Species 0.000 claims abstract description 158
- 238000009960 carding Methods 0.000 claims abstract description 56
- 240000000047 Gossypium barbadense Species 0.000 claims abstract description 35
- 235000009429 Gossypium barbadense Nutrition 0.000 claims abstract description 35
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 238000011002 quantification Methods 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 47
- 239000012535 impurity Substances 0.000 claims description 41
- 238000004140 cleaning Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 20
- 230000002708 enhancing Effects 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 244000144992 flock Species 0.000 claims description 10
- 238000009987 spinning Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 241001646071 Prioneris Species 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 230000001965 increased Effects 0.000 claims description 4
- 238000011068 load Methods 0.000 claims description 4
- 235000009825 Annona senegalensis Nutrition 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 210000004369 Blood Anatomy 0.000 claims description 2
- 206010022114 Injury Diseases 0.000 claims description 2
- 210000001847 Jaw Anatomy 0.000 claims description 2
- 241000681094 Zingel asper Species 0.000 claims description 2
- 230000002238 attenuated Effects 0.000 claims description 2
- 238000010009 beating Methods 0.000 claims description 2
- 239000008280 blood Substances 0.000 claims description 2
- 238000004049 embossing Methods 0.000 claims description 2
- 239000002223 garnet Substances 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000000116 mitigating Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000000750 progressive Effects 0.000 claims description 2
- 239000002965 rope Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000010923 batch production Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000004753 textile Substances 0.000 description 4
- 240000008564 Boehmeria nivea Species 0.000 description 1
- 230000000844 anti-bacterial Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
- D02G3/042—Blended or other yarns or threads containing components made from different materials all components being made from natural material
-
- 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
Abstract
The invention discloses high-count pure cotton yarn production method, the method grabs upper completion blowing in Blowing carding four using average grade 3.46, the long-staple cotton of average length 36.75mm；Using average grade 31, the medium staple cotton of average length 28.96mm, and upper completion blowing is grabbed in Blowing carding two, the two respectively by it is pre- and after, in being mixed on draw frame and lap machine combined, the high branch spun yarn of quantification of 0.89g/100m is then made through combing, drafting, rove, spun yarn jointly.Production method of the present invention saves production cost, improves yarn quality.
Description
Technical field
The invention belongs to textile technology fields, are related to a kind of textile technology of new type yarn, and specially high-count pure cotton yarn is raw
Production method.
Background technique
With the development of the social economy, living standards of the people are continuously improved, for dress ornament textile, worn in addition to pursuing
Comfort level also increasingly pays close attention to its fashion and functionality, pursues unique style and various functions, and such as antibacterial is prevented
The functions such as electrostatic.In order to meet this demand of consumer, constantly opening up new-type yarn and fabric becomes the important of textile industry
Task.With the development of science and technology, weaving market competition it is more and more fierce, each producer in order to profit-push maximization,
Constantly develop to top grade, high-grade, good technology content, high added value direction.
In view of this, the present invention provides a kind of high-count pure cotton yarn production method, using average grade 3.46, average length
The long-staple cotton of 36.75mm, and upper completion blowing is grabbed in Blowing carding four；Using average grade 31, the fine fleece of average length 28.96mm
Cotton, and grab upper completion blowing in Blowing carding two, the two respectively by it is pre- and after, in being mixed on draw frame and lap machine combined, then
The spun yarn of quantification of 0.89g/100m is made through combing, drafting, rove, spun yarn jointly.
Summary of the invention
The technical issues of solution: the purpose of the present invention is providing a kind of high-count pure cotton yarn production method, by by long-staple cotton
With medium staple cotton respectively after Blowing carding and pre-drawing, jointly through combing after item and rolling up is mixed, to both realize length
Consistency control, the high branch spun yarn of quantification of 0.89g/100m is made through combing, drafting, rove, spun yarn jointly, to save
Production cost improves yarn quality.
Technical solution: long-staple cotton is grabbed upper completion blowing in Blowing carding four, medium staple cotton is existed by high-count pure cotton yarn production method
Blowing carding two grabs completion blowing, the two respectively by it is pre- and after, in being mixed on draw frame and lap machine combined, then jointly through essence
The spun yarn of quantification of 0.89g/100m is made in comb, drafting, rove, spun yarn, comprising the following steps:
Step 1: distributing cotton: according to the method for classification and queuing, ingredient is matched based on Xinjiang Long staple cotton and the length of medium staple cotton
Cotton；Larger with cotton total amount due to using griping cotton machine mixed cotton, the setting of team's number should be more, and 9 teams are arranged in Xinjiang Long staple cotton；And it uses with each
Ground medium staple cotton, the vast kind in raw cotton producing region is complicated and quality difference is larger, and in order to which batch number is changed in stability property reduction, team's number is set
Setting should be more, and medium staple cotton team number is set as 19 teams；The characteristics of according to reciprocation bale plucker, the master tested in conjunction with different raw cotton
Performance indicator is wanted, the row's of arranging properly packet figure guarantees that the cotton quality grabbed every time is stablized；
Step 2: long-staple cotton Blowing carding: including opening or cleaning process and carding step, carding step task includes shredding, removal of impurities,
Mixing, uniformly strike phase is freely hit and hold to coiled four aspects using multiple hoppers, to guarantee mixing and shredding effect
In conjunction with mode carry out shredding and removal of impurities, original of each single machine according to " even grab carefully grab, big miscellaneous caducous few broken, shredding is to comb for beating "
Then, the weight for reducing crawl flock block, makes impurity be sufficiently exposed to the surface of flock, reaches control short flannel and increases and opening or cleaning line cotton
Knot increases high purpose；Selection holds strike after first freely hitting, and makes shredding by mitigating to acutely, gradually shredding is realized, to subtract
Few damage to cotton fiber；For grabbing cotton process, setting adapts to the different cotton packet of four kinds of height, while supplying two opening or cleaning lines,
Memory sponge packet height in operation, adjust automatically grab depth, make just different cotton packets finally while having grabbed, grab cotton hired roughneck's vehicle
Speed reaches 1200-1400r/min；For more storehouse mixed cotton processes, supplement cotton using each storehouse is outer at random, every storehouse output speed is different, often
Storehouse storing highly is different, is mixed on output cotton curtain, every storehouse following settings hired roughneck is further to decompose flock, Beater Speed
500r/min；For scutching cotton dedoping step, work range 1.5m is set, first hired roughneck is foot staple, is surrounded by sawtooth with one
The feed roll motor of item matches, and greatly enhancing subsequent two hired roughnecks includes screw blade hired roughneck and the shredding effect for freely hitting hired roughneck
Rate, and impurities removal is carried out in the case where not increasing cotton knot；Beater Speed 420r/min, since opening or cleaning point setting quantity is few, in order to
Enhance dust removal rate, dirt stick opens maximum angle；For opener dedoping step, using garnet beater, under be furnished with a point comb version, opener
Effect mitigates, dust removal rate is high, blocks without fiber, and the mote knife accurately adjusted discharges noil continuously, and work range 1.5m is beaten
Hand speed 760r/min, 0 ° of angle；For the carding step of long-staple cotton, FA203A type carding machine, long-staple cotton fiber length are selected
Long, uniformity is preferable, suitably reduction linters rate, simultaneously because fibre maturity is good, fiber strength is excellent, but short flannel and containing miscellaneous
It is slightly higher, revolving speed is properly increased, to improve yield；
Step 3: medium staple cotton Blowing carding: including opening or cleaning process and carding step, the technological principle of opening or cleaning process is using " more
Packet takes, select content, it is progressive open give, it is caducous it is few it is broken, beaten with comb generation, hurt fiber less ", due to containing impurity in raw cotton, so
The higher setting of its Beater Speed；For grabbing cotton process, according to the principle of select content, sawtooth blade is inserted into cotton layer shallowly, crawl
Cotton block average weight is light, and shredding effect is good, it is ensured that griping cotton machine grab cotton hired roughneck's blade per tooth grab the grasp less than normal of cotton amount, grab cotton and beat
The higher setting of the speed of hand, blade are violent to the effect of cotton block, and crawl cotton block is small, and average weight is light, and shredding is made good use of, between hired roughneck
Dropping distance of having a rest setting less than normal is conducive to increase shredding impurity-eliminating effect, improves yield；For opener dedoping step, using freedom
Strike, shredding effect mitigates, easy damaged, Beater Speed are not set as 600 to fiber, avoids while enhancing shredding removal of impurities effect
Roller returns flower-shape into synnema, the gauge setting less than normal of hired roughneck and dirt stick, enhancing shredding removal of impurities effect；Gauge between dirt stick is bigger than normal to be set
It sets, improves linters rate, enhancing removal of impurities effect；For more storehouse mixed processes, the revolving speed of pattern doffing roller is set as 412r/min, hired roughneck
Revolving speed avoid it is excessively high, in order to avoid occur returning flower, at the same avoid because at the present hired roughneck of cotton block by repeating strike and excessively strike is easily formed
Rope silk and cotton-wool；For scutching cotton dedoping step, using continuous blowing-carding feeding hopper working principle and carding machine licker-in point comb removal of impurities principle
It organically combines, is tiny flock to the preliminary shredding of the fiber of feeding, then beaten with combing generation flock, impurity is removed from fibrous inside
Out；Meanwhile FA125 weight seperator is equipped with before opener, metal impurities are removed, the pressure of later process removal of impurities is mitigated,
It is equipped with this special fine separator of crow after scutcher, reduces the content of impurity, different fibre in cotton flow, cotton flow passes through blower and cotton carding later
Pipeline connects hopper into FA179B Blowing carding, and uniform sheet cotton layer feeding comb will be formed by uniform shredding, mixed fiber
Cotton machine, it is ensured that the continuous uniform of carding machine realizes carding procedure serialization for cotton；For the carding step of medium staple cotton, select
FA203A type carding machine, since medium staple cotton is saw ginned cotton, length is short, and fiber strength is poor, but fibre uniformity is good, short flannel and containing miscellaneous
It is less, therefore revolving speed is suitably reduced, hurt fiber less；
Step 4: pre-drawing: it is pre- for long-staple cotton and design, using 5 long-staple cotton card slivers carry out it is pre- simultaneously, long-staple cotton is pre-
Just quantitative design is 20.09g/5m to drafting, pre- for medium staple cotton and design, using 5 medium staple cotton card slivers carry out it is pre- simultaneously, fine fleece
Just quantitative design is 21.03g/5m to cotton pre-drawing；
Step 5: item and rolling up: using 20 long-staple cotton pre-drawings and 4 medium staple cotton pre-drawings on draw frame and lap machine combined at
Volume, quantification of 64.49g/m at the beginning of combing rouleau, wherein 20 long-staple cotton pre-drawings are divided into 5 groups, and every group 4, by 4 medium staple cottons
Pre-drawing is sequentially embedded between 5 groups of long-staple cotton pre-drawings；Using the high draft technique of comingling, rouleau had both been improved vertically and horizontally
Uniformity coefficient, and improve fiber stretches parallel degree, realizes that rouleau unwinding is clear, adhesion, road combing process after reduction
Injury to cotton fiber；
Step 6: combing: using even number principle technique in Comb preparation procedure, clamp rouleau when feeding combing machine
In the cotton layer that plate is held, hook solid state, is more easier it by Cylinder Carding, to stretch before most of hooked fibres remain as
Directly, linters rate can be made to further decrease, to reduce the loss of fiber, Blood salvage；For the cotton knot for reducing yarn, combing machine is adopted
Cotton length is given with lesser, carding isolation distance is reduced, enhances carding role, while paying attention to the connector of fiber, to improve output cotton net
Quality；Yarn linters rate is controlled, loss is reduced, sufficiently excludes short flannel and impurity, improve the clarity of yarn cotton net, fit
When reducing quantifying for sliver, the bar evenness of yarn is improved using the method for slow train speed and reduction total draft multiple；It is fixed
Embossing and impurity in Shi Qingjie cylinder backlash, the impurity in top comb needle gap, and hairbrush is trimmed in time, to keep the smooth of hairbrush
The occurrence of degree, reduction cotton net edge damage；
Step 7: drafting: according to odd number rule is used in mixing in doubling step, using one and closing principle, band is selected to mix well certainly
Whole drawing frame, auto-leveling system use short-movie section, and neat and well spaced precision is high, and neat and well spaced range is wide, it is ensured that the online inspection of sliver
It surveys, guarantees Unevenness CV % 2.5 hereinafter, selecting cotton yarn made from 6 article of the 6th step to carry out and close, for roller draft, choosing
With curve drawing process, roller is held away from order to neither damage fiber, and can control the movement of most fibers, sieve
It draws and holds away from the quality length for being greater than fiber is selected, using " tight gauge is pressurizeed " technological principle again, be conducive to improve output yarn
Bar evenness；For roller loading, roller loading needs that roller nip is kept to have enough curable grips, to overcome drawing-off
Power, prevents yarn big sliding velocity lamination under roller nip, and pressuring method is Spring cradle pressurization, and front roller nip
Curable grip be set greater than rear roller；
Step 8: rove: including three processes, drawing-off: ripe bar attenuating being drawn and attenuated 8-10 times, keeps fiber in sliver further
It stretches in parallel, prepares for spun yarn drafting, using the double-short leather-ring drawing-off of four rollers, three draft area, wherein between 1-2 roller
Drafting multiple is set as 1.05 times, for Distribution Area, the condensers before Distribution Area is provided with, and selecting the bore of preceding condensers is 5,
It is main drawing area between 2-3 roller, condensers is not placed in main drawing area, realizes that constriction beam not drawing-off is not concentrated in drawing-off, to reach
The purpose of bar evenness is improved, is to arrange condensation region between 3-4 roller, the fiber after making main drawing area drawing-off is arranging cohesion
Boundling is played the role of in area, the condensers after arranging condensation region and being provided with, and the bore of condensers is 12 after selecting, for drawing-off sieve
The gripping of drawing is away from the size of drafting force in the uniformity and draft area depending on the quality length Lp of fiber, and referring to fiber
Comprehensively consider, do not open fibrous fracture or yarn drawing-off as principle, wherein the back zone between 3-4 roller is that simple roller is led
It stretches, is held due to there is collector away from can suitably amplify, due to the product of pure cotton fiber using the process for big gauge of pressurizeing again
Matter length is 36mm, and the Distribution Area between 1-2 roller is held away from being set as 38mm, including roller diameter 28mm and gauge 10mm；
Twisting: the yarn after drawing-off is added into the twist appropriate, makes rove that there is certain strength, prevents misdraft or break, slightly
The grasp slightly bigger than normal of yarn twist factor, is conducive to stable yarn quality, and actual production process selects roving twist factor 105；It is wound into
Shape: by the reeling roving after twisting on roving bobbin, the package for meeting necessarily required shapes and sizes is made, to store up
Deposit, carry and adapt to the feeding requirement of spinning frame, four in use four under double-short leather-ring D type drawing-off, by the set of main drawing area
Device is preposition, carries out drawing-off and separates with boundling, length of floating area is reduced, to improve bar evenness；
Step 9: spun yarn: close using the double draft area drawing-offs of three rollers, length apron, Suessen Pendulum Weighting Arm System, grid ring
It spins, concentrate vacuum cavitations, select 2.7 pressure bar jaws, shorten free section length, to reduce floating fiber, reinforce to fiber
The control of movement improves Spinning Evenness；Proparea gauge is reduced, back zone gauge is amplified, reduces back zone drafting multiple, is concentrated
Proparea drawing-off, under effective control of sliver, improves spun yarn proparea yarn density, reduces edge fibers and short flannel in upper and lower cushion rubber
Scatter and disappear, effectively reduce filoplume, reduce long details, improve strength；First break draft area uses curve drawing, the drafting multiple palm less than normal
It holds, provides structure uniform yarn for front draft zone, using " tight gauge is pressurizeed " again, be conducive to the fortune for controlling draft area fiber
It is dynamic, improve the uniformity of output yarn, first break draft area roller gauge uses 38mm；Before front draft zone Draft Configuration technique satisfaction,
The ratch of middle roller is small, the principle that area of swimming is small and cushion rubber nip gauge is small, and front draft zone roller gauge uses
18mm。
Preferably, the average grade 3.46 of long-staple cotton, average length 36.75mm.
Preferably, the average grade 31 of medium staple cotton, average length 28.96mm.
Preferably, in the first step, when raw material is finished, the raw cotton that raw cotton uses the production of same batch is taken over, first with identical
The place of production is standard arrangement row's packet, secondly considers technology grade, finally considers color characteristic grade.
Preferably, containing miscellaneous for the Xinjiang Long staple cotton is 2.2%.
Preferably, in second step, the low blowing-carding system containing miscellaneous raw cotton of Crosrol is selected.
Preferably, in second step, opening or cleaning process select respectively ABO automatic plucker grab cotton, six storehouse cotton blender machine of 6CB into
Row mixing and removal of impurities, tri- roller scutcher of 3RC are cleaned and are mixed, FCI fine opener carries out shredding and removal of impurities, Wu Site
Different fibre seperator carries out different fine separation, and opening or cleaning point is arranged 2.
Preferably, in third step, Qingdao blowing-carding system is used.
Preferably, in third step, opening or cleaning process selects the realization of FA009 reciprocation bale plucker to grab cotton, FA125 weight seperator
Realize that the removal of weight impurity, FA105A Single axial waste silk opener realize that shredding and removal of impurities, FA029 multi-mixer are realized mixing and removed
Miscellaneous, FA116 scutcher realizes that different fine separation is realized in removal of impurities and shredding, crow this special fine seperator.
Preferably, E62 model combing machine is used in the 6th step.
The utility model has the advantages that the present invention is by respectively after Blowing carding and pre-drawing, in item and involving in long-staple cotton and medium staple cotton
Jointly through combing after row mixing, to realize the consistency control of the two length, it is made jointly through combing, drafting, rove, spun yarn
The high branch spun yarn of quantification of 0.89g/100m, to save production cost, improve yarn quality.
Specific embodiment
Following embodiment further illustrates the contents of the present invention, but should not be construed as limiting the invention.Without departing substantially from
In the case where spirit of that invention and essence, to modification made by the method for the present invention, step or condition and replaces, belong to the present invention
Range.Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
(1) raw material choice
Long-staple cotton is distributed cotton and each cotton packet performance indicator
Medium staple cotton is distributed cotton and each cotton packet performance indicator
Note: grade 31,3 indicates grade, and 1 indicates white cotton.
(2) technical flow design is as follows
Long-staple cotton: six storehouse cotton blender machine of apolegamy → ABO automatic plucker → 6CB → tri- roller scutcher of 3RC → FCI is finely opened
This special fine seperator → FA203A type carding machine of cotton machine → crow
Medium staple cotton: apolegamy → FA009 reciprocation bale plucker → FA125 weight seperator → FA105A Single axial waste silk opener →
This special fine seperator → FA179B hopper → FA203A type carding machine of FA029 multi-mixer → FA116 scutcher → crow
Raw cotton mixing: SB2 pre-drawing → E32 draw frame and lap machine combined → E62 type combing machine → HSR1000 type drawing frame →
JWF1415 fly frame → DTM129 type spinning frame
(3) key process parameter designs
The preliminary Dry Weight per Unit of each process is selected
Cotton carding:
Medium staple cotton carding process designs table
Long-staple cotton carding process designs table
Pre-drawing:
Pre drawing process designs table
Item is simultaneously rolled up:
Item simultaneously rolls up procedure technology design table
Combing:
Combing process technological design table
Drafting:
Mixing in doubling step technological design table
Rove:
Roving Frames technological design table
Spun yarn:
Spinning process designs table
(4) quality test:
Blowing carding, pre- and process quality test table
Yarn quality test table
Drafting quality test table
Roving yarn quality tests table
Ramie yarn twist tests table
Yarn twist is tested using Y331LN numeric type twist instrument, carries out two groups every group 20 sections of test, and the average twist is
107.10 twirls/10cm and 106.80 twirls/10cm, is designed as 108.00 twirls/10cm.Twist CV < 3, deviation is within the allowable range.
Spinning evenness tests table
Yarn evenness is tested using Uster sliver instrument, and the item for testing coil and cylinder yarn respectively is dry, and average product etc. 1~
2 etc..After winder, yarn unevenness, the filoplume of cylinder yarn slightly increase, still in the reasonable scope.
Spun yarn strength test table
Yarn strength is tested using YG063G full automatic single yarn tester, and test result shows strongly to meet design
It is required that and the strength uniformity it is preferable.After removing details and weak section, the average strength of single thread increases cylinder yarn than coil, manages
The average number of yarn meets initial design requirement.
Claims (10)
1. high-count pure cotton yarn production method, which is characterized in that long-staple cotton is grabbed upper completion blowing in Blowing carding four, medium staple cotton is existed
Blowing carding two grabs completion blowing, the two respectively by it is pre- and after, in being mixed on draw frame and lap machine combined, then jointly through essence
The spun yarn of quantification of 0.89g/100m is made in comb, drafting, rove, spun yarn, comprising the following steps:
Step 1: distributing cotton: according to the method for classification and queuing, ingredient is distributed cotton based on Xinjiang Long staple cotton and the length of medium staple cotton；
Larger with cotton total amount due to using griping cotton machine mixed cotton, the setting of team's number should be more, and 9 teams are arranged in Xinjiang Long staple cotton；And mixed various regions are thin
Suede cotton, the vast kind in raw cotton producing region is complicated and quality difference is larger, and in order to which batch number is changed in stability property reduction, the setting of team's number is answered
More, medium staple cotton team number is set as 19 teams；The characteristics of according to reciprocation bale plucker, the main property tested in conjunction with different raw cotton
Energy index, the row's of arranging properly packet figure guarantee that the cotton quality grabbed every time is stablized；
Step 2: long-staple cotton Blowing carding: including opening or cleaning process and carding step, carding step task includes shredding, is cleaned, and is mixed
It closes, uniform coiled four aspects, to guarantee mixing and shredding effect, using multiple hoppers, freely hits and mutually tied with gripping strike
The mode of conjunction carries out shredding and removal of impurities, principle of each single machine according to " even grab carefully grab, big miscellaneous caducous few broken, shredding is to comb for beating ",
The weight for reducing crawl flock block, makes impurity be sufficiently exposed to the surface of flock, reaches control short flannel and increases and opening or cleaning line cotton knot
Increase high purpose；Selection holds strike after first freely hitting, and makes shredding by mitigating to acutely, gradually shredding is realized, to reduce
Damage to cotton fiber；For grabbing cotton process, setting adapts to the different cotton packet of four kinds of height, while supplying two opening or cleaning lines,
Memory sponge packet height in operation, adjust automatically grab depth, make just different cotton packets finally while having grabbed, grab cotton hired roughneck's speed
Reach 1200-1400r/min；For more storehouse mixed cotton processes, supplement cotton using each storehouse is outer at random, every storehouse output speed is different, every storehouse
Storing highly is different, is mixed on output cotton curtain, every storehouse following settings hired roughneck is further to decompose flock, Beater Speed
500r/min；For scutching cotton dedoping step, work range 1.5m is set, first hired roughneck is foot staple, is surrounded by sawtooth with one
The feed roll motor of item matches, and greatly enhancing subsequent two hired roughnecks includes screw blade hired roughneck and the shredding effect for freely hitting hired roughneck
Rate, and impurities removal is carried out in the case where not increasing cotton knot；Beater Speed 420r/min, since opening or cleaning point setting quantity is few, in order to
Enhance dust removal rate, dirt stick opens maximum angle；For opener dedoping step, using garnet beater, under be furnished with a point comb version, opener
Effect mitigates, dust removal rate is high, blocks without fiber, and the mote knife accurately adjusted discharges noil continuously, and work range 1.5m is beaten
Hand speed 760r/min, 0 ° of angle；For the carding step of long-staple cotton, FA203A type carding machine, long-staple cotton fiber length are selected
Long, uniformity is preferable, suitably reduction linters rate, simultaneously because fibre maturity is good, fiber strength is excellent, but short flannel and containing miscellaneous
It is slightly higher, revolving speed is properly increased, to improve yield；
Step 3: medium staple cotton Blowing carding: including opening or cleaning process and carding step, the technological principle of opening or cleaning process is using " more packets take
With, select content, it is progressive open give, it is caducous it is few it is broken, beaten with comb generation, hurt fiber less ", due to containing impurity in raw cotton, so its dozen
The higher setting of hand speed；For grabbing cotton process, according to the principle of select content, sawtooth blade is inserted into cotton layer shallowly, the cotton block of crawl
Average weight is light, and shredding effect is good, it is ensured that griping cotton machine grab cotton hired roughneck's blade per tooth grab the grasp less than normal of cotton amount, grab cotton hired roughneck's
The higher setting of speed, blade are violent to the effect of cotton block, and crawl cotton block is small, and average weight is light, and shredding is made good use of, under hired roughneck's interval
Drop is conducive to increase shredding impurity-eliminating effect, improves yield apart from setting less than normal；For opener dedoping step, using free strike,
Shredding effect mitigates, easy damaged, Beater Speed are not set as 600 to fiber, avoids roller while enhancing shredding removal of impurities effect
Flower-shape is returned into synnema, the gauge setting less than normal of hired roughneck and dirt stick, enhancing shredding removal of impurities effect；Gauge setting bigger than normal between dirt stick,
Improve linters rate, enhancing removal of impurities effect；For more storehouse mixed processes, the revolving speed of pattern doffing roller is set as 412r/min, Da Shouzhuan
Speed avoid it is excessively high, in order to avoid occur returning flower, at the same avoid because at the present hired roughneck of cotton block by repeating strike and excessively strike easily forms rope
Silk and cotton-wool；For scutching cotton dedoping step, had using continuous blowing-carding feeding hopper working principle and carding machine licker-in point comb removal of impurities principle
Machine combines, and is tiny flock to the preliminary shredding of the fiber of feeding, then beaten with combing generation flock, impurity is separated from fibrous inside
Come；Meanwhile FA125 weight seperator is equipped with before opener, metal impurities are removed, mitigate the pressure of later process removal of impurities, clearly
It is equipped with this special fine separator of crow after cotton machine, reduces the content of impurity, different fibre in cotton flow, cotton flow passes through blower and cotton carding pipe later
Road connects hopper into FA179B Blowing carding, and uniform sheet cotton layer feeding cotton carding will be formed by uniform shredding, mixed fiber
Machine, it is ensured that the continuous uniform of carding machine realizes carding procedure serialization for cotton；For the carding step of medium staple cotton, select
FA203A type carding machine, since medium staple cotton is saw ginned cotton, length is short, and fiber strength is poor, but fibre uniformity is good, short flannel and containing miscellaneous
It is less, therefore revolving speed is suitably reduced, hurt fiber less；
Step 4: pre-drawing: it is pre- for long-staple cotton and design, using 5 long-staple cotton card slivers carry out it is pre- simultaneously, long-staple cotton pre-drawing
First quantitative design is 20.09g/5m, pre- for medium staple cotton and design, using 5 medium staple cotton card slivers carry out it is pre- simultaneously, medium staple cotton is pre-
Just quantitative design is 21.03g/5m to drafting；
Step 5: item and rolling up: using 20 long-staple cotton pre-drawings and 4 medium staple cotton pre-drawings on draw frame and lap machine combined in rolls,
Quantification of 64.49g/m at the beginning of combing rouleau, wherein 20 long-staple cotton pre-drawings are divided into 5 groups, it is every group 4,4 medium staple cottons are pre-
Drafting is sequentially embedded between 5 groups of long-staple cotton pre-drawings；Using the high draft technique of comingling, it is vertical and horizontal rouleau had both been improved
Uniformity coefficient, and improve the parallel degree of stretching of fiber, realize that rouleau unwinds clear, adhesion, road combing process pair after reduction
The injury of cotton fiber；
Step 6: combing: using even number principle technique in Comb preparation procedure, hold rouleau by nipper when feeding combing machine
In the cotton layer held, hook solid state, is more easier it by Cylinder Carding before most of hooked fibres remain as, thus stretch, it can
Further decrease linters rate, to reduce the loss of fiber, Blood salvage；For reduce yarn cotton knot, combing machine use compared with
Small gives cotton length, reduces carding isolation distance, enhances carding role, while paying attention to the connector of fiber, to improve the matter of output cotton net
Amount；Yarn linters rate is controlled, loss is reduced, sufficiently excludes short flannel and impurity, improves the clarity of yarn cotton net, it is appropriate to drop
Low sliver quantifies, and the bar evenness of yarn is improved using the method for slow train speed and reduction total draft multiple；Timing is clear
Embossing and impurity in clean cylinder backlash, the impurity in top comb needle gap, and hairbrush is trimmed in time, to keep the flatness of hairbrush,
The occurrence of reducing cotton net edge damage；
Step 7: drafting: according to odd number rule is used in mixing in doubling step, using one and closing principle, select with autoleveller
Drawing frame, auto-leveling system use short-movie section, and neat and well spaced precision is high, and neat and well spaced range is wide, it is ensured that the on-line checking of sliver is protected
Unevenness CV % is demonstrate,proved 2.5 hereinafter, cotton yarn made from 6 article of the 6th step is selected to carry out and close, for roller draft, selects curve
Drafting process, for roller hold away from, in order to neither damage fiber, and can control the movement of most fibers, roller hold
Away from the quality length for being greater than fiber is selected, using " tight gauge is pressurizeed " technological principle again, the item for being conducive to improve output yarn is dry
The uniformity；For roller loading, roller loading needs that roller nip is kept to have enough curable grips, to overcome drafting force, prevents
Yarn big sliding velocity lamination under roller nip, pressuring method are Spring cradle pressurization, and the gripping of front roller nip
Power is set greater than rear roller；
Step 8: rove: including three processes, drawing-off: ripe bar attenuating being drawn and attenuated 8-10 times, stretches fiber in sliver further
In parallel, it prepares for spun yarn drafting, using the double-short leather-ring drawing-off of four rollers, three draft area, the wherein drawing-off between 1-2 roller
Multiple is set as 1.05 times, for Distribution Area, the condensers before Distribution Area is provided with, and selecting the bore of preceding condensers is 5,2-3
It is main drawing area between roller, condensers is not placed in main drawing area, realizes that constriction beam not drawing-off is not concentrated in drawing-off, is improved with reaching
The purpose of bar evenness, to arrange condensation region between 3-4 roller, fiber after making main drawing area drawing-off is risen arranging condensation region
It is acted on to boundling, the condensers after arranging condensation region and being provided with, and the bore of condensers is 12 after selecting, for drawing rollers
It holds away from the size of drafting force is comprehensive in the uniformity and draft area depending on the quality length Lp of fiber, and referring to fiber
Consider, do not open fibrous fracture or yarn drawing-off as principle, wherein the back zone between 3-4 roller is simple roller draft,
It is held due to there is collector away from can suitably amplify, since the quality of pure cotton fiber is long using the process for big gauge of pressurizeing again
Degree is 36mm, and the Distribution Area between 1-2 roller is held away from being set as 38mm, including roller diameter 28mm and gauge 10mm；Twisting:
Yarn after drawing-off is added into the twist appropriate, makes rove that there is certain strength, prevents misdraft or break, rove twists system
Number grasp slightly bigger than normal, is conducive to stable yarn quality, and actual production process selects roving twist factor 105；Winding shaping: will add
The package for meeting necessarily required shapes and sizes is made on roving bobbin in reeling roving after twirl, to store, to carry and
The feeding requirement of spinning frame is adapted to, four lower double-short leather-ring D type drawing-offs, preposition by the collector of main drawing area in use four, reality
Row drawing-off is separated with boundling, length of floating area is reduced, to improve bar evenness；
Step 9: spun yarn: using the double draft area drawing-offs of three rollers, length apron, Suessen Pendulum Weighting Arm System, grid ring compact spinning, collection
Middle vacuum cavitations select 2.7 pressure bar jaws, shorten free section length, to reduce floating fiber, reinforce to fiber movement
Control improves Spinning Evenness；Proparea gauge is reduced, back zone gauge is amplified, reduces back zone drafting multiple, proparea is concentrated to lead
Upper and lower cushion rubber is stretched outside under effective control of sliver, spun yarn proparea yarn density is improved, reduces scattering and disappearing for edge fibers and short flannel,
Filoplume is effectively reduced, long details is reduced, improves strength；First break draft area uses curve drawing, and drafting multiple grasp less than normal is led before being
It stretches area and the uniform yarn of structure is provided, using " tight gauge is pressurizeed " again, be conducive to the movement for controlling draft area fiber, improve defeated
The uniformity of yarn out, first break draft area roller gauge use 38mm；Front draft zone Draft Configuration technique meet before, sieve of middle roller
Drawing center uses 18mm away from principle small, that area of swimming is small and cushion rubber nip gauge is small, front draft zone roller gauge.
2. high-count pure cotton yarn production method according to claim 1, which is characterized in that the average grade 3.46 of long-staple cotton,
Average length 36.75mm.
3. high-count pure cotton yarn production method according to claim 1, which is characterized in that the average grade 31 of medium staple cotton is put down
Equal length 28.96mm.
4. high-count pure cotton yarn production method according to claim 1, which is characterized in that in the first step, when raw material is finished, connect
The raw cotton of same batch production is used for raw cotton, is arranged wrap as standard arrangement using the identical place of production first, secondly considers technology grade, most
Color characteristic grade is considered afterwards.
5. high-count pure cotton yarn production method according to claim 1, which is characterized in that the Xinjiang Long staple cotton is containing miscellaneous
2.2%.
6. high-count pure cotton yarn production method according to claim 1, which is characterized in that in second step, select Crosrol low
Blowing-carding system containing miscellaneous raw cotton.
7. high-count pure cotton yarn production method according to claim 1, which is characterized in that in second step, opening or cleaning process difference
Select that ABO automatic plucker carries out grabbing cotton, six storehouse cotton blender machine of 6CB is mixed and cleaned, tri- roller scutcher of 3RC cleans
It carries out different fibre with mixing, the progress shredding of FCI fine opener and removal of impurities, this black special fine seperator and separates, opening or cleaning point setting 2
It is a.
8. high-count pure cotton yarn production method according to claim 1, which is characterized in that in third step, combed clearly using Qingdao
Connection system.
9. high-count pure cotton yarn production method according to claim 1, which is characterized in that in third step, opening or cleaning process is selected
Cotton is grabbed in the realization of FA009 reciprocation bale plucker, FA125 weight seperator realizes the removal of weight impurity, FA105A Single axial waste silk opener
Realize that shredding and removal of impurities, FA029 multi-mixer realize that removal of impurities and shredding, Wu Site are realized in mixing and removal of impurities, FA116 scutcher
Different fibre seperator realizes different fine separation.
10. high-count pure cotton yarn production method according to claim 1, which is characterized in that use E62 model essence in the 6th step
Comb.
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| CN114016169A (en) * | 2021-11-29 | 2022-02-08 | 河北宏润新型面料有限公司 | Preparation method of low-torque siro compact spinning blended yarn |
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