CN107059194B - A kind of the gradient color spinning mechanism and method and purposes of preposition mobile coupling looping - Google Patents
A kind of the gradient color spinning mechanism and method and purposes of preposition mobile coupling looping Download PDFInfo
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- CN107059194B CN107059194B CN201710368226.0A CN201710368226A CN107059194B CN 107059194 B CN107059194 B CN 107059194B CN 201710368226 A CN201710368226 A CN 201710368226A CN 107059194 B CN107059194 B CN 107059194B
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- yarn
- gradual change
- looping
- buncher
- shaped needle
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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
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
-
- 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
- D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
- D01H13/06—Traversing arrangements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
-
- 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
- D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
Abstract
The present invention relates to mechanism, method and the purposes of a kind of gradual change colour-spun yarns of preposition mobile coupling looping.The mechanism be by one be placed in it is before front roller, the U-shaped needle that translation adjusts two short fine yarn (S) looping ratios can be controlled, a pair positions the generation and executing agency's composition of the buncher gathered with boundling and left and right translation for the short fine yarn (S/S) in left and right.Being translatable by (right side) to the left of the U-shaped needle at symmetric points makes right (left side) yarn implement looping to left (right side) yarn, and resultant yarn is in period or the aperiodic gradual change based on right (left side) yarn color or apparent fiber composition, the colour mixture ratio or apparent fiber composition mutually twined in symmetric position is than the compound ratio for two yarns of original.The fabric or resulting gradual change component yarn elder generation's woven into fabric and poststaining that resulting gradual change dyed yarn can be directly used for special color and grain effect are for obtaining special color and grain effect.
Description
Technical field
The present invention relates to a kind of grading structure spinning mechanisms for coupling looping, method and application thereof, belong to ring spinning skill
Art field, especially a kind of gradient color spinning mechanism for coupling looping, method and application thereof.
Background technique
The Yarn spinning method that controllable gradient color is carried out directly on spinning machine comes across the age in last century 40-50 in ring spinning
After composite spinning technology on machine, i.e., there is innovative spinning side after short fine yarn/short fine yarn (S/S) compound spinning method
Method, with endless tow/short fine yarn (F/S) Compound spinning almost in the same period.At the end of the sixties to the seventies, still belong to laboratory technique
And it is not disclosed.The difference the most essential with composite spinning of gradual change colour-spun yarns is that gradual change colour-spun yarns are the circumferential direction along yarn, fiber
Content change；And in the radial direction of yarn when composite spinning, the distribution of fiber changes.
Current published gradual change yarn principle is the short fine yarn of the fineness such as double groups, with the difference of complementary (coupling)
Feed quantity regulates and controls the percentage in resultant yarn, reaches back and forth variation of the resultant yarn color between two yarn colors.And the thickness of resultant yarn
Theoretically constant always, i.e., theoretically Yarn Evenness is uniformly constant.
The country by this principle spin it is representative in the form of be known as " section coloured yarn " because progressive formation is quickly, and stablize feed
Entering than phase is main paragraph and gains the name, and there are two types of main manufacturing process, i.e. three roller spinning frames, four roller spinning frame methods.Three sieve
The section coloured yarn spinning technique of drawing: as a kind of production method of section coloured yarn of the patent of Xie Chunping (patent No.: CN102409445A) exists
In on ring throstle, rear roller jaw feed rove item respectively, using two sets of servo-systems individually control middle roller and after
Roller spins section coloured yarn in the method up to middle rear roller cooperation speed change.A kind of multicomponent fibre section coloured silk mixed yarn of the patent of Zhang Hong
Production method (patent No.: CN102517699A) it is logical by the ring throstle of load ZJ-5A type intelligence slub controller
Cross blended method production section color bunchy yarn.A kind of RING SPINNING section coloured yarn of the patent of Chen Weixiong and its resultant yarn method and device are (specially
Benefit number: CN102560759A) installing fixed and loop roller additional respectively in three roller spinning frames, on rear roller axis, realizes three
Two kinds of different components or the fiber of different color are segmented the length to set by the double drawing-off spinning of five roller complex coaxial of shafting
And different component combination, it is twisted together into the yarn for waiting line densities, having section color effect.A kind of siro-spun segment color yarn of the patent of Zhang Hong
Production method (patent No.: CN103290582A) using a kind of middle rear roller cooperation speed change production section coloured yarn servo motor bamboo
Yarn control device is saved, a kind of siro-spun segment color yarn is produced.A kind of production method (the patent of the pre- Solospun section-dyed yarns of female patent of Zhu
Number: CN103361809A) using a kind of servo motor slub control device of middle rear roller cooperation speed change production section coloured yarn, knot
It closes Suo Luofang spinning process and produces section coloured yarn.A kind of section coloured yarn Yarn spinning method of the patent of Chen Weixiong and spinning drafting machine are (specially
Benefit number: CN102733031A) two rove are fixed after respectively to roller loop roller with after fed, feeding for two rove is rationally controlled
Enter speed and keeps total feed quantity constant, the line densities feeding spinning such as realization.Patent one kind of Wang Xiaoqiu has multicolour and night
The section coloured yarn and its production method (patent No.: CN103014977A) of light effect feed rove from middle roller, rear roller respectively,
Change roller speed through servo motor control device, moment changes the rove feed quantity in the roller unit time, to reach section
Color purpose.A kind of cotton of the patent of Liu Xinjin/spun silk section coloured yarn and its production method (patent No.: CN104818559A) will be colored
Spun silk rove, which is interrupted as decorative yarn from rear roller, to be fed, and white cotton rove is fed as base yarn from middle roller, and the two is led through proparea
It stretches, twists resultant yarn after front roller nip converges.Patent (patent No.: CN105821532A) three rollers of Liu Xinjin are respectively by watching
It takes motor and drives driving, while being connected with first roller set and the second roller set on middle roller axis, main body rove is by rear roller
It is continuously fed into, auxiliary rove is interrupted by middle roller to be fed, and realizes the spinning of section coloured yarn.Liu Xinjin patent (patent No.:
CN105714430A) three rollers are driven by servo motor drive respectively, are by the first rove and the second rove simultaneously by rear sieve
Feeding, the rear roller two-part structure different using diameter are drawn, middle roller uses two sections of control structures, realizes double-colored section coloured yarn
Spinning.Xue Yuan patent three-primary colours rove mixture production illusion-colour yarn method and this method preparation illusion-colour yarn (patent No.:
Three sections of rings for being nested in the rear roller of ternary dyed yarn coupling drafting system on mandrel turn independently of each other
It is dynamic, and keep three rings the sum of linear resonance surface velocity be constant or three coloured rove drafting multiple and be constant, from
And obtain the arbitrary section coloured yarn of even thickness, color.A kind of three-roller superlarge-drafting section color yarn production method of the patent of Yu Yang is (specially
Benefit number: super large CN103361807A) is produced by rear roller section coloured silk servo motor and several orientable draft gear combinations
The production method of drawing-off section coloured yarn.The patent (patent No.: CN105714429A) of Zhang Liqiang proposes that a kind of mechanical section coloured yarn is raw
Device is produced, the rear roller by being transformed and setting special construction drives gear, obtains necessarily required double-colored section coloured yarn etc..This is
A kind of gradual change Yarn spinning method that the gradual change of double yarn differential types is adjusted, deadly defect is that the thickness difference of resultant yarn is big, intensity is low,
The consistency of dual-mechanism drawing-off complementation is low and energy consumption is high.
The section coloured yarn spinning technique of four rollers, such as a kind of section coloured yarn of the patent of Li Ensheng and its spinning apparatus and Yarn spinning method
(patent No.: CN1493725A) installs a feeding roller additional at common three rollers spinning frame rear.One group of fiber strip is through the 4th
Roller feeding, and after exported through normal draft process, another group of fiber strip after third roller interval is fed with first group of fibre
Dimension yarn converges twisting resultant yarn.The production method (patent No.: CN101812753A) of the patent gradient colored yarn of Qian Wenlong is in hair
It spins and adds a rear roller in the draft mechanism of spinning frame, two rear rollers require alternately to feed respectively according to the variation of resultant yarn color
The yarn for entering different colours is controlled respectively by two individual servo motors, and makes the yarn of two groups of difference input speeds
Input always quantitatively remain unchanged, converge at middle roller rear and successively twist resultant yarn through middle roller, front roller drawing-off.Liu
A kind of section coloured yarn spinning apparatus of patent and Yarn spinning method (patent No.: CN105624872A) of new gold, a kind of more rove feedings are spun
Yarn feeding device and Yarn spinning method (patent No.: CN105624848A) are all made of four roller drafts, and four rollers are all made of individual servo
Motor control.A kind of Yarn spinning method (patent No.: CN103374774B) of multicomponent multicolour section coloured yarn line of the patent of Xie Chunping
Section coloured yarn is produced using three rove feeding methods on the super draft spinning frame comprising four rollers, four apron, three area's weighing draft.
This is that a kind of gradual change adjustable range is limited or smaller gradual change Yarn spinning method, does not consider complementarity, only adds coloured palpus
The variation of the number of item amount, energy consumption are bigger.
Also there are report in this respect in foreign countries, such as a kind of production method (patent of flame of the patent of J.W.Lambert
Number: US4041690,1977) in the back upper place of front roller one group of roller of installation and apron.Base sliver is normally fed, and adorns rove
Roller speed is installed additional by adjusting, and obtains different degrees of refinement drawing-off, and then pool slub with the yarn normally exported,
Make it that gradual change color longitudinally be presented.The section coloured yarn spinning technique of its principle, gradient color effect and defect with aforementioned four roller.
Since the Spinning Principle of above two section coloured yarn is the gradual change regulation of feed-type, therefore certainly exist the item of a) resultant yarn
Dry uniform decline and the therefore decline of yarn strength, because the uniformity of each yarn and resultant yarn strand uniformity are in resultant yarn
All declining in the process, no complementary mechanisms；B) feed-type cannot achieve zero feeding of a yarn because this can not continuous spinning,
And easily break end in the feeding of low ratio, therefore resultant yarn is thicker, because being unsuitable for high grade cotton yarn；C) mechanism of feed-type section coloured yarn is multiple
It is miscellaneous, regulation is difficult, it is irregular it is big, high energy consumption and efficiency is low.Other two kinds are also referred to as section coloured yarn, as grilling drawing process carries out section coloured silk
Colour matching method, drawing frame are segmented feeding method.Both production technologies are segmented colored fibre item by multi-point and feed, and it is color to form section
Ribbon then spins section coloured yarn by rove and spinning process, is not admitted to ring spinning technology, and is opposite technique letter
The conventional spinning of single and long segment discoloration, i.e., one section of constant spinning of native color rule on sliver length direction.
The patent (patent No.: US4711080,1987) of T.Shibazaki is by installing two additional in the front of front roller
Back draught nozzle forms the exchange looping of inside and outside yarn by changing related process parameters, yam surface finally is presented
The gradual change effect.Its principle is different from the above method, is that the content of fiber strip is constant, makes two fibres simply by blowing direction is changed
Yarn interchangeably looping gradual change is tieed up, this is principle relatively closest with the present invention in basic principle.But jet mode
For staple fiber yarn, one will cause flyings colour mixture fault and fiber alignment disorder to be blurred, i.e., the passivation of gradient color and
Gelatinization；Secondly, jet will significantly increase energy consumption and noise；Thirdly, equally exist the above method and can not accomplish complete looping, i.e., 0
Or 1 looping.
Summary of the invention
The technical problem to be solved by the present invention is exchanging looping section for aforementioned feed-type gradual change yarn (section coloured yarn) and jet
Essence defect, especially resultant yarn strand existing for color yarn it is irregular big, color changeable effect difference and gradient color span are small and can not be complete,
And in limitation, the defect of coarse yarn.
In order to solve the above-mentioned technical problem, the concept is that the merging of two yarns (couples) thickness, quality not
Become, the uniformity improve (Times), and wherein convergent point it is mobile when, formed to some or all of another yarn ground packet
Covering is twined, and is in its color；Vice versa.Gradual change transformation of the yarn between two yarn colors is formed, gradual change yarn is formed.Therefore, lead to
In position and its movement speed and the period for crossing U-shaped needle control convergent point, it can be achieved with different discoloration length, color change, i.e.,
The color changeable effect of resultant yarn.And the coupling ratio of yarn is constant, i.e. fineness is constant；And it covers more adjustable than any.
There is provided a kind of machines of the gradual change colour-spun yarns of preposition mobile coupling looping for a specific technical solution of the invention
Structure characterized by comprising
Left buncher and right buncher positioned at front roller nip rear, parallel color or the different left yarn of component and
Right yarn position or limit through left buncher and right buncher respectively yarn uniformly with width and gather, before fixed spacing feeding
Roller nip；
U-shaped needle positioned at front roller nip front, left yarn and right yarn are converging point sink after going out front roller nip naturally
Poly-, U-shaped needle is made on the left and right translation line of excessively natural convergent point periodical or aperiodic in the case where the control with executing agency occurs
Property, the left and right movement for determining frequency or Frequency.
Preferably, the generation includes that the frequency of the left and right translation of U-shaped needle can be made to occur and regulation with executing agency
Single board computer and the parallel moving mechanism for driving the left and right translation of U-shaped needle, parallel moving mechanism is controlled by single board computer, to realize U-shaped needle not
With the movement of translation rule and frequency, thus make change of the mutual looping of left yarn and right yarn than consistent relationship and frequency occurs
Change.
Preferably, the parallel moving mechanism includes affixed bar, translation sliding sleeve, flat motion bar and driving motor, and driving motor is in institute
It states driving translation under the control of single board computer and slides over left and right translation on flat motion bar, the U-shaped needle is fixed on translation by affixed bar
On sliding sleeve；
The single board computer includes frequency generator and regulation chip, and frequency generator is by regulation chip controls.
Preferably, the position that the U-shaped needle adjusts the natural convergent point by being moved forward and backward is reached with changing looping angle
The pre-adjustment of looping ratio.
Preferably, the left buncher and/or the right buncher are bell shape, and cross section is round, track type
Or kidney ellipsoid channel.
Preferably, the left buncher and the right buncher have track type or kidney ellipsoid channel cross-section, the left palpus
Item and right yarn form flat yarn via the left buncher and the right buncher, to increase cladding ratio.
Another specific technical solution of the invention couples looping gradually based on above-mentioned preposition movement there is provided a kind of
The Yarn spinning method for the mechanism spinned that changes colour, which comprises the following steps:
Step 1: double yarn feedings prepare: two rove being fed by the rear roller of ring throstle, through rear roller and middle sieve
Draw and after middle roller and the drawing-off of front roller become parallel and flat left yarn and right yarn, then respectively through left buncher and
The positioning of right buncher or limit flat yarn uniformly with width and gather, front roller nip is fed with a fixed spacing, wherein left palpus
Item is different with the color or component of right yarn；
Step 2: moving-wire is determined in convergence naturally: after left yarn and right yarn go out front roller nip, converging point sink naturally at it
It is poly-, U-shaped needle is moved forward, and front and back fine tuning makes nature convergent point be located at U-shaped center of pin point, determined the left and right of natural convergent point
Be translatable line, in which: the nature convergent point is the minimum tension and most stable of convergent point that left yarn and right yarn converge naturally；
Step 3: translation convergent point couple looping resultant yarn: U-shaped needle left and right translation line on make periodically or non-periodically,
The left and right movement for determining frequency or Frequency forms the periodicity of different wave length and the gradual change dyed yarn of aperiodicity change or gradual change
Component yarn；
When U-shaped center of pin reaches left end, left yarn is in line, and right yarn implements maximum looping to left yarn, makes the right side
Thus yarn shows the appearance and contact action of right yarn color or right yarn component, forms left manifold type outside being coated on completely
Looping resultant yarn；
When U-shaped center of pin reaches right end, right yarn is in line, and left yarn implements maximum looping to right yarn, makes a left side
Thus yarn shows the appearance and contact action of left yarn color or left yarn component, forms right manifold type outside being coated on completely
Looping resultant yarn.
Preferably, it in the step 3, is translatable by the left and right of U-shaped needle, realize left yarn: the looping ratio of right yarn exists
Change between 0:1~1:0, i.e., wrapped completely and changes between cladding completely；The fineness ratio of the left yarn and the right yarn exists
Change between 30:70~70:30.
There is provided the applications of a kind of above-mentioned structure spinning mechanism or above-mentioned for another specific technical solution of the invention
Yarn spinning method application, which is characterized in that color or constituent for carrying out apparent or surface layer occur along yarn axis direction
Couple gradual change structure spinning, with obtain thickness more evenly, the higher gradual change yarn of intensity.
There is provided a kind of gradual change yarns obtained by above-mentioned Yarn spinning method for another specific technical solution of the invention
Application, which is characterized in that for directly weaving into the fabric of special transition color lump combination and gradual change grain effect.
The present invention proposes in a manner of changing the looping covering each other of two yarns and the resultant yarn method of gradient color, not only from basic
On overcome that current section coloured yarn plucked is big, fade effect is poor, i.e. modified poor, coupling effect difference the defect of coupling, and operation
Succinctly, effectively, efficiently with spinning yarn quality height, be suitable for RING SPINNING high, medium and low branch spinning.Patent one compared to J.W.Lambert
The production method of kind flame, the present invention: a) yarn is irregular remains unchanged, and again without drawing-off difference between two, and merges resultant yarn
When, declined according to Poisson principle evenness faultTimes, resultant yarn fineness is constant, intensity improves；B) present invention is covered for looping
Lid formula can accomplish panchromatic section (that is, zero feeding), and low ratio cladding is strong point, is suitable for high grade cotton yarn and spins；C) this hair
Bright mechanism is simple and effective, regulation is accurate, low-consumption high-efficiency.
The beneficial effects of the present invention are: 1. only increase a pair of serve on common ring spinning frame and positions and gather
Buncher and preposition U-shaped needle, it will be able to successfully spinning coupling looping gradual change dyed yarn, without dismounting the original components of spinning frame,
Method is simple and direct, practical；2. being translatable by the above-mentioned left and right for making periodicity or randomness to U-shaped needle, can get has different loopings
The gradual change dyed yarn of style.Distinguishingly, it can get the gradual change yarn of three kinds of extreme appearance might forms, i.e. convergent point couples looping colour mixture naturally
Gradual change yarn, the monochromatic gradual change yarn of left coupling cladding (a kind of component coat gradual change yarn completely), right coupling cladding monochrome gradual change
Yarn (another component coats gradual change yarn completely), gradient color is clear, span is complete；3. due to two yarns itself feeding than it is constant,
Therefore it is higher at yarn uniformity, therefore its intensity it is high, suitable for the spinning of high, medium and low yarn count；4. short fibre of weaving can be arbitrarily selected,
Coupling clad type gradual change colour-spun yarns are carried out, the new style of more color combinations is axially presented in yarn；5. gained couples looping gradual change
Yarn can be used for wearing, decorate use, the Technical Textiles of household and for some special dimensions；6. the successful spinning of the gradual change yarn can
Strong reference is provided for the innovation of advanced spinning technique.
Detailed description of the invention
Fig. 1 is coupling looping gradient color Spinning Principle figure；
Fig. 2 is the schematic diagram of U-shaped needle and its structural connection that is translatable；
Fig. 3 A is buncher internal channel structure circular cross-section schematic diagram；
Fig. 3 B is buncher internal channel structure race track shaped cross-section schematic diagram；
Fig. 3 C is buncher internal channel structure kidney ellipsoid schematic cross-section；
Fig. 4 is resultant yarn graduated colors trapezoidal wave, sine wave, frequency conversion triangular wave, the composite wave waveform diagram of gradual change yarn；
Fig. 5 is the overlay length instrumentation plan of the gradual change yarn section of gradual change yarn；
Fig. 6 A to Fig. 6 D is gradual change yarn material object schematic diagram, wherein Fig. 6 A is that left end B gradual change yarn is schemed in fact, and Fig. 6 B is certainly
Right convergent point gradual change yarn is schemed in fact, and Fig. 6 C is that right end C gradual change yarn is schemed in fact, and Fig. 6 D is that partial enlargement gradual change yarn is schemed in fact.
In figure: 1-U shape needle；The left buncher of 2-；The right buncher of 3-；The left yarn of 4-；The right yarn of 5-；6- front roller；71- convergence
Point coupling looping gradient color melange yarn；The left coupling of 72- coats gradient color plain yarn；The right coupling of 73- coats gradient color plain yarn；8-
Left and right translation line；9- front roller nip；10- parallel moving mechanism；The affixed bar of 101-；102- translation sliding sleeve；103- flat motion bar；104- drives
Dynamic motor；11- single board computer；111- frequency generator；112- regulates and controls chip.
Specific embodiment
In order to make the present invention more obvious and understandable with reference to specific embodiments and attached drawing is described in detail below.It should be understood that
These embodiments are merely to illustrate the present invention.
Following examples all use the preposition mobile coupling looping of one kind shown in as shown in Figure 1, Figure 2, Fig. 3 A, Fig. 3 B, Fig. 3 C
Gradual change S/S structure spinning mechanism, adjust two short fine palpuses including being placed in the front roller front of ring spinning frame, translation can be controlled
Item couples the U-shaped needle 1 of looping ratio each other, for left yarn 4 and right yarn 5 to be each self-positioning and the left buncher 2 gathered and the right side
Buncher 3, and the generation that U-shaped needle 1 or so can be made to be translatable and executing agency.
In conjunction with Fig. 2, occur to include that the single board computer with regulation occurs for the frequency that U-shaped needle 1 or so can be made to be translatable with executing agency
11 and the parallel moving mechanism 10 that is translatable back and forth.Parallel moving mechanism 10 includes affixed bar 101, translation sliding sleeve 102, flat motion bar 103 and driving
Motor 104.Single board computer 11 includes frequency generator 111 and regulation chip 112.
1 opening upwards of U-shaped needle, bottom and parallel moving mechanism 10 are affixed, and parallel moving mechanism 10 is controlled by single board computer 11, it can be achieved that U
The movements for positively or negatively making to 1 periodicity of shape needle or randomness different translation rules and frequency, thus make left yarn 4 and right palpus
Variation of the mutual looping of item 5 than consistent relationship and frequency occurs.If the color or constituent of left yarn 4 and right yarn 5 are not
Together, then the gradual change dyed yarn or gradual change component yarn of periodicity and aperiodicity change that different wave length is formed after resultant yarn be will lead to.U
Shape needle 1 can also be moved forward and backward the position for adjusting nature convergent point A to change the pre-adjustment that looping angle reaches looping ratio.
Looping is coupled than the left and right translation by U-shaped needle 1, realize left yarn: the theoretical looping ratio of right yarn is in 0:1~1:
Change between 0, i.e., wrapped completely and changes between cladding completely.
Wherein, that adds on common ring throstle is used to control left buncher 2, the right buncher of short fine yarn positioning
3 are equipped with bell shape channel, and three kinds of forms are selected, are specifically shown in the table of embodiment 1-4.It acts on making to increase and put down
Whole and yarn beamwidth, to coat purpose up to more preferable.
Short fine yarn of the present invention is to commonly use rove item made of fiber in the rear roller of ring spinning frame weaving
It is fed with the natural tension of spinning, drawing, then the staple fiber palpus of the obtained stretched straight parallel of drawing-off through apron roller and front roller
Item.Left yarn 4 and right yarn 5, therefore be suitable for various natural and chemical fibres, as embodiment we taken cotton fiber, flaxen fiber,
The short fibre of wool fibre, silk flock, short rayon fiber, terylene short fiber, Nomex, and take two kinds of compound ratios by 1:1 or 3:7 obtained etc.
Fineness or the fineness rove item such as not are obtained through the ring spinning frame drawing-off.Ring spinning frame of the present invention is
Refer to that well known to a person skilled in the art various ring spinning frames, such as commercially available various ring spinning frames.
Specific implementation step are as follows:
Step 1: double yarn feedings prepare: it is a pair of fixed for controlling staple fiber yarn to increase on common ring throstle
The left buncher 2 and right buncher 3 of position.By two rove by ring throstle rear roller feed, through rear roller and middle roller with
And after middle roller becomes parallel and flat left yarn 4 and right yarn 5 with the drawing-off of front roller, then respectively through left 2 He of buncher
The positioning of right buncher 3 or limit flat yarn uniformly with width and gather, front roller nip 9 is fed with a fixed spacing；
Step 2: moving-wire determine in convergence naturally: after left yarn 4 and right yarn 5 go out front roller nip 9, in its nature convergent point A
Convergence moves forward U-shaped needle 1, and front and back fine tuning makes nature convergent point A be located at 1 central point of U-shaped needle, determines natural convergent point A
Left and right translation line 8, in which: the nature convergent point A is the minimum tension that converges naturally of left yarn 4 and right yarn 5 and most surely
Fixed convergent point；
Step 3: translation convergent point couples looping resultant yarn: U-shaped needle 1 is made periodical or aperiodic on left and right translation line 8
Property, the left and right movement for determining frequency or Frequency, when 1 center of U-shaped needle reaches left end B, left yarn 4 is in line, right yarn 5
Maximum looping is implemented to left yarn 4, is coated on right yarn 5 completely outer, thus shows 5 component of right 5 color of yarn or right yarn
Appearance and contact action form the looping resultant yarn 72 of left manifold type, if left yarn 4 is different with the color or component of right yarn 5,
Form the periodicity of different wave length and the gradual change dyed yarn or gradual change component yarn of aperiodicity change；
When 1 center of U-shaped needle reaches right end C, right yarn 5 is in line, and the right yarn 5 of 4 pairs of left yarn implements maximum looping,
It is coated on left yarn 4 completely outer, thus shows the appearance and contact action of 4 component of left 4 color of yarn or left yarn, form right coupling
Box-like looping resultant yarn 73, if the color or component of left yarn 4 and right yarn 5 are different, formed different wave length periodicity and
The gradual change dyed yarn or gradual change component yarn of aperiodicity change.
According to the mechanism and its method for coupling looping composite spinning, to the rove of different fibers and different composite ratio
Item, in different composite spinning technological parameters, i.e., the distance between axles of two short fine yarns is spinned under the twist, ingot speed, carries out practical spinning
With the coverage rate (c of resultant yarn S/S Compound spinning gradual change yarn4, c5, c4/5) and cover than (r4, r5) and resultant yarn the index of quality, i.e.,
Yarn unevenness and tensile property judge, to show the validity and advantage of mechanism and method selected by the present invention.Design parameter and
As a result listed in the rove explanation and S/S composite spinning parameter and spinning yarn quality index of each embodiment of detailed table.
The coverage rate of gained gradual change yarn are as follows: coverage rateI.e. Its
Middle L4For the overlay length of yarn 4 left in Fig. 5；L5For the overlay length of yarn 5 right in Fig. 5；L4+L5=LTFor cycle length, see
Geometrical relationship shown in fig. 5.
Calculation formula is compared in covering are as follows:
Gained couples looping gradual change yarn compared with the intensity of existing section coloured yarn, is higher by 1.5-2.0 times；It is (same compared with single thread
Fineness), intensity is higher by 1.4 times or so.
Embodiment 1:
Take it is black, each one, white colour cotton fiber rove cylinder, it is compound than be 50/50.Two positioning of the beam cotton rove through buncher
After gathering, front roller nip is fed with the natural tension of drawing-off, 8mm spacing, in detail as shown in Figure 1.Before two shafting ribbons go out
After roller nip, in twist factor αtexIt is 340, ingot speed comes together in A point, the convergence of convergent point A under the action of being 10500rpm naturally
About 60 ° of angle, on centerline.Mobile U-shaped needle, makes nature convergent point A be located at the central point of U-shaped needle.Form convergent point nature coupling
Close the structure yarn for mutually twisting looping.Then with the resultant yarn graduated colors waveform (trapezoidal wave) of setting and wavelength (24m), mobile U-shaped needle
It is left and right back and forth, make trapezoidal wave gradual change, i.e., trapezoidal wave is the gradual change yarn segment length L/8 that constant speed moves to left；The gradual change yarn segment length that B point pauses
L/8；The gradual change yarn segment length L/8 that constant speed moves to right；Return to (not being segmented herein) gradual change yarn segment length L/8 of A point pause；What constant speed moved to right
Gradual change yarn segment length L/8；The gradual change yarn segment length L/8 that C point pauses；The gradual change yarn segment length L/8 that constant speed moves to left；A point is returned to pause gradually
Become yarn segment length L/8: taking the gradual change yarn section of B point, A point and C point to measure its yarn 5 respectively and coat (5 is panchromatic) yarn 4 entirely；4/5 palpus
Item mutually twists the coverage rate c of (A point) and No. 4 full cladding (4 is panchromatic) yarns 55, c4/5, c4Value (is shown in Table 1 and Fig. 6).It can be seen that this
The fade effect of invention and full cladding ability are excellent, and the 82% of current feed-type section coloured yarn is substantially better than into yarn uniformity,
Remove the Yarn spinning method itself irregularity increase it is outer, it is remaining just can the Poisson's law that merges of the fineness yarns such as two reduce
Originally yarn(0.707) again.And yarn strength 20.07cN/tex and elongation at break 6.94% are significantly more better than existing
Some feed-type gradual change yarns are improved up to 148%, 142%.
Embodiment 2:
Each one of extracting yellow flame resistant wool rove cylinder, Nomex fiber roving cylinder blue, it is compound than being 50/50.Two beam hairs are thick
Yarn feeds front roller nip after the positioning of buncher and gathering, with the natural tension of drawing-off, 10mm spacing, in detail as shown in Figure 1.
After two shafting ribbons go out front roller nip, in twist factor αtexIt is 345, ingot speed comes together in A under the action of being 11500rpm naturally
Point.Mobile U-shaped needle, makes nature convergent point A be located at the central point of U-shaped needle.It forms convergent point and couples the structure for mutually twisting looping naturally
Yarn.Then with the resultant yarn graduated colors waveform (sine wave) of setting and wavelength (16m), mobile U-shaped needle is left and right back and forth, it is sinusoidal to make
Then wave gradual change measures coverage rate c respectively5, c4/5, c4Value (is shown in Table 1).It can be seen that fade effect of the invention and full cladding
Ability is excellent, and the 78% of current feed-type section coloured yarn is substantially better than into yarn uniformity, removes the Yarn spinning method itself not
Even rate increases outer, the remaining Poisson's law for conforming exactly to the merging of the fineness yarns such as two and reduces original yarn(0.707)
Times.And yarn strength 16.42cN/tex and elongation at break 14.27% are significantly more improved better than existing feed-type gradual change yarn
Up to 154%, 141%.
Embodiment 3:
Each one of extracting waste terylene short fiber rove cylinder, true qualities silk fiber rove cylinder, it is compound than being 50/50.Two beam hairs are thick
Yarn feeds front roller nip after the positioning of buncher and gathering, with the natural tension of drawing-off, 9mm spacing, in detail as shown in Figure 1.
After two shafting ribbons go out front roller nip, in twist factor αtexIt is 320, ingot speed comes together in A under the action of being 10000rpm naturally
Point.Mobile U-shaped needle, makes nature convergent point A be located at the central point of U-shaped needle.It forms convergent point and couples the structure for mutually twisting looping naturally
Yarn.Then with the resultant yarn graduated colors waveform (frequency conversion triangular wave) and wavelength (64m) of setting, mobile U-shaped needle is left and right back and forth, makees
Then frequency conversion triangular wave gradual change measures coverage rate c respectively5, c4/5, c4Value (is shown in Table 1).Using special dyestuff on silk fiber
Green colouring, it is final to can get green, white the gradual change effect.It can be seen that fade effect of the invention and full cladding ability are excellent,
The 84% of current feed-type section coloured yarn is substantially better than into yarn uniformity.And yarn strength 31.03cN/tex and extension at break
Rate 11.96% is significantly more improved better than existing feed-type gradual change yarn up to 151%, 150%.
Embodiment 4:
Each one of black flax fiber rove cylinder, white viscose fiber roving cylinder are taken, it is compound than being 30/70.Two beam hairs are thick
Yarn feeds front roller nip after the positioning of buncher and gathering, with the natural tension of drawing-off, 12mm spacing, in detail as shown in Figure 1.
After two shafting ribbons go out front roller nip, in twist factor αtexIt is 317, ingot speed comes together in A under the action of being 11500rpm naturally
Point.Mobile U-shaped needle, makes nature convergent point A be located at the central point of U-shaped needle.It forms convergent point and couples the structure for mutually twisting looping naturally
Yarn.Then with the resultant yarn graduated colors waveform (composite wave) of setting and wavelength (50m), mobile U-shaped needle is left and right back and forth, combines
Then wave gradual change measures coverage rate c respectively5, c4/5, c4Value (is shown in Table 1).It can be seen that fade effect of the invention and full cladding
Ability is excellent, and the 80% of current feed-type section coloured yarn is substantially better than into yarn uniformity.And yarn strength 16.07cN/tex and
Elongation at break 5.96% is significantly more improved better than existing feed-type gradual change yarn up to 145%, 144%.
The spinning parameters of each embodiment of table 1-
Claims (10)
1. a kind of mechanism of the gradual change colour-spun yarns of preposition mobile coupling looping characterized by comprising
Left buncher (2) and right buncher (3) positioned at front roller nip (9) rear, parallel color or the different left side of component
Yarn (4) and right yarn (5) position or limit through left buncher (2) and right buncher (3) respectively yarn uniformly with width and gather
Hold together, front roller nip (9) are fed with a fixed spacing；
U-shaped needle (1) positioned at front roller nip (9) front, left yarn (4) and right yarn (5) go out after front roller nip (9) certainly
Right convergent point (A) convergence, U-shaped needle (1) is in the case where occurring the control with executing agency in the left and right translation line of excessively natural convergent point (A)
(8) make on periodically or non-periodically, determine the left and right movement of frequency or Frequency.
2. a kind of mechanism of the gradual change colour-spun yarns of preposition mobile coupling looping as described in claim 1, which is characterized in that described
Occur to include that the frequency of the left and right translation of the U-shaped needle (1) can be made to occur and the single board computer (11) of regulation and driving with executing agency
The parallel moving mechanism (10) of the left and right translation of the U-shaped needle (1), parallel moving mechanism (10) is controlled by single board computer (11), to realize U-shaped needle
(1) movement of different translation rules and frequency, thus corresponds to the mutual looping ratio of left yarn (4) and right yarn (5)
The variation of rule and frequency.
3. a kind of mechanism of the gradual change colour-spun yarns of preposition mobile coupling looping as claimed in claim 2, which is characterized in that described
Parallel moving mechanism (10) includes affixed bar (101), translation sliding sleeve (102), flat motion bar (103) and driving motor (104), driving motor
(104) driving translation sliding sleeve (102) left and right translation on flat motion bar (103), the U under the control of the single board computer (11)
Shape needle (1) is fixed in translation sliding sleeve (102) by affixed bar (101)；
The single board computer (11) includes frequency generator (111) and regulation chip (112), and frequency generator (111) is by regulation core
Piece (112) control.
4. a kind of mechanism of the gradual change colour-spun yarns of preposition mobile coupling looping as described in claim 1, which is characterized in that described
U-shaped needle (1) adjusts the position of the natural convergent point (A) by being moved forward and backward to change looping angle up to the presetting of looping ratio
It is whole.
5. a kind of mechanism of the gradual change colour-spun yarns of preposition mobile coupling looping as described in claim 1, which is characterized in that described
Left buncher (2) and/or the right buncher (3) are bell shape, and cross section is round, track type or kidney ellipsoid channel.
6. a kind of mechanism of the gradual change colour-spun yarns of preposition mobile coupling looping as claimed in claim 5, which is characterized in that described
Left buncher (2) and the right buncher (3) have track type or kidney ellipsoid channel cross-section, the left yarn (4) and right yarn
(5) flat yarn is formed via the left buncher (2) and the right buncher (3), to increase cladding ratio.
7. a kind of Yarn spinning method of the mechanism of the gradual change colour-spun yarns based on preposition mobile coupling looping described in claim 1,
It is characterized in that, includes the following steps
Step 1: the feeding of double yarns prepares: two rove are fed by the rear roller of ring throstle, through rear roller and middle roller with
And after middle roller becomes parallel and flat left yarn (4) and right yarn (5) with the drawing-off of front roller, then respectively through left buncher
(2) and right buncher (3) positioning or limit flat yarn uniformly with width and gather, front roller nip is fed with a fixed spacing
(9), wherein left yarn (4) is different with the color of right yarn (5) or component；
Step 2: moving-wire is determined in convergence naturally: after left yarn (4) and right yarn (5) go out front roller nip (9), converged naturally at it
Point (A) convergence, moves forward U-shaped needle (1), and front and back fine tuning makes nature convergent point (A) be located at U-shaped needle (1) central point, determines
Left and right translation line (8) of natural convergent point (A), in which: the nature convergent point (A) is left yarn (4) and right yarn (5) is natural
The minimum tension of convergence and most stable of convergent point；
Step 3: translation convergent point couples looping resultant yarn: U-shaped needle (1) is made periodical or aperiodic in left and right translation line (8)
Property, the left and right movement for determining frequency or Frequency form the periodicity of different wave length and the gradual change dyed yarn of aperiodicity change or gradually
Become component yarn；
When U-shaped needle (1) center reaches left end (B), left yarn (4) is in line, and right yarn (5) implements most left yarn (4)
Big looping is coated on right yarn (5) completely outer, thus show the appearance of right yarn (5) color or right yarn (5) component with contact
Effect forms left coupling cladding gradient color plain yarn (72)；
When U-shaped needle (1) center reaches right end (C), right yarn (5) is in line, and left yarn (4) implements most right yarn (5)
Big looping is coated on left yarn (4) completely outer, thus show the appearance of left yarn (4) color or left yarn (4) component with contact
Effect forms right coupling cladding gradient color plain yarn (73).
8. a kind of Yarn spinning method as claimed in claim 7, which is characterized in that in the step 3, pass through U-shaped needle (1)
Left and right translation, realize left yarn (4): the looping ratio of right yarn (5) changes between 0:1~1:0, i.e., completely by packet and complete cladding
Between change；The fineness ratio of the left yarn (4) and the right yarn (5) changes between 30:70~70:30.
9. a kind of application of mechanism as described in claim 1 or the application of Yarn spinning method as claimed in claim 7, feature
It is, the structure spinning of coupling gradual change occurs along yarn axis direction for the color or constituent for carrying out apparent or surface layer, to obtain
Thickness more evenly, the higher gradual change yarn of intensity.
10. a kind of application of the gradual change yarn obtained by Yarn spinning method as claimed in claim 7, which is characterized in that for straight
Weaving is connect into the fabric of special transition color lump combination and gradual change grain effect.
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| CN113502581B (en) * | 2021-07-19 | 2022-09-27 | 江阴市源仁纺织有限公司 | Production process of worsted three-component wool fancy yarn |
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| JPS61186541A (en) * | 1985-02-08 | 1986-08-20 | 村田機械株式会社 | Spun yarn |
| US4961306A (en) * | 1990-01-24 | 1990-10-09 | The United States Of America As Represented By The Secretary Of Agriculture | System for producing staple-wrapped core yarn |
| DE19501163C1 (en) * | 1995-01-17 | 1996-04-18 | Zinser Textilmaschinen Gmbh | Drawing unit |
| JP2000327221A (en) * | 1999-05-17 | 2000-11-28 | Mitsubishi Electric Corp | Rotating speed control device and frequency control device |
| CN100402722C (en) * | 2001-11-16 | 2008-07-16 | 里特机械公司 | Device for drawing and collecting ribbon |
| CN102304797B (en) * | 2011-08-23 | 2014-08-06 | 武汉纺织大学 | Preparation method for non-equal convergent-point high-elasticity composite yarn |
| CN102493031A (en) * | 2011-12-06 | 2012-06-13 | 江南大学 | Production method of compact section-colored yarn |
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