CN107034564B - The taper function spinning mechanism and method and purposes of preposition mobile coupling looping - Google Patents
The taper function spinning mechanism and method and purposes of preposition mobile coupling looping Download PDFInfo
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- CN107034564B CN107034564B CN201710367922.XA CN201710367922A CN107034564B CN 107034564 B CN107034564 B CN 107034564B CN 201710367922 A CN201710367922 A CN 201710367922A CN 107034564 B CN107034564 B CN 107034564B
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- yarn
- looping
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- buncher
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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
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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
- D02G3/38—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 taper function spinning of preposition mobile coupling looping.The mechanism be by one be placed in it is before front roller, translation can be controlled adjust the two short fine yarn S with heterogeneity or functiona/SbThe U-shaped needle of looping ratio, a pair is for the short fine yarn S in left and righta/SbThe generation of buncher and left and right translation that positioning is gathered with boundling and executing agency are constituted.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 function or apparent fiber composition, the mixing ratio mutually twined in symmetric position or apparent fiber composition are than the compound ratio for two yarns of original.Resulting gradual change dyed yarn can be directly used for the fabric of specific function 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 taper function spinning mechanism for coupling looping, method and application thereof.
Background technique
The Yarn spinning method that controllable taper function is carried out directly on spinning machine comes across the age in last century 40-50 in RING SPINNING
After composite spinning technology on yarn machine, i.e., there is innovative spinning 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 skill
Art and be 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 directions along yarn, fine
The content of dimension changes；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 taper function the purpose of the present invention is the mode of two yarns of change looping covering each other.
In order to achieve the above object, the concept is that merging (couple) thickness of two yarns, mass conservation,
Evenness raising (Times), and wherein convergent point it is mobile when, some or all of another yarn ground looping is covered in formation
Lid, and it is in its function；Vice versa.And the fiber strip different using function or performance, to form yarn between two yarns
The gradual change of function converts, and forms taper function yarn.Therefore, pass through the position of U-shaped needle control convergent point and its movement speed and week
Phase can be achieved with different function yarn segment length, function yarn section speed, i.e. the function fade effect of resultant yarn.And the coupling of yarn
Than for constant, i.e. fineness is constant；And it covers more adjustable than any.
There is provided a kind of taper function spinning of preposition mobile coupling looping for a specific technical solution of the invention
Mechanism characterized by comprising
Left buncher and right buncher positioned at front roller nip rear, parallel and respective fibre property or function
(property or function refer to properties or the functions such as the mechanics of fiber, thermally conductive, contact is conductive, absorption dyestuff) different left yarn and the right side
Yarn position or limit through left buncher and right buncher respectively yarn uniformly with width and gather, preceding sieve is fed with a fixed spacing
Draw vice mouth；
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.
There is provided a kind of based on the above-mentioned preposition mobile coupling looping of one kind for another specific technical solution of the invention
Taper function spinning mechanism Yarn spinning method, which is characterized in that include 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 respective fibre property of right yarn or function；
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,
Determine the left and right movement of frequency or Frequency, realize function or component in the gradual change yarn of appearance, in which:
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 fibre property or right yarn function, forms left coupling outside being coated on completely
The looping resultant yarn of formula；
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 fibre property or left yarn function, forms right coupling outside being coated on completely
The looping resultant yarn of formula.
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 coupled for apparent or surface layer function or constituent along yarn axis direction
The function of gradual change is spinned, with obtain thickness more evenly, the higher taper function 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 fade function block combination and grain effect, and different parts
With different senses of touch, or the yarn woven into fabric for determining component ratio but apparent content gradually variational is first used, then gives dyeing and obtain
Such as the fabric of gradient color color special color obtained and grain effect, and different parts have different senses of touch.
The present invention proposes in a manner of changing the looping covering each other of two yarns and the resultant yarn method of taper function, not only from root
Overcome that current section coloured yarn plucked is big, fade effect is poor on this, i.e. modified poor, coupling effect difference the defect of coupling, Er Qiecao
Make succinct, effective, efficient and spinning yarn quality height, is suitable for the high, medium and low branch spinning of RING SPINNING.Patent compared to J.W.Lambert
A kind of production method of flame, the present invention: a) yarn is irregular remains unchanged, and again without drawing-off difference between two, and is merged into
When yarn, decline 1/ times according to Poisson principle evenness fault, resultant yarn fineness is constant, intensity improves；B) present invention is that looping covers
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) of the invention
Mechanism is simple and effective, regulation is accurate, low-consumption high-efficiency.
The present invention jumps out the scope of former gradual change dyed yarn, and enters the scope of taper function, and this method is fundamentally gram
Take that current section coloured yarn plucked is big, taper function 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.The beneficial effects of the present invention are: 1. only
Increase buncher and preposition U-shaped needle that a pair plays positioning and gathers on common ring spinning frame, it will be able to successfully spin
System coupling looping taper function yarn, without dismounting the original components of spinning frame, method is simple and direct, practical；2. by above-mentioned to U-shaped needle
The left and right translation for making periodicity or randomness, can get the taper function yarn with different looping styles.Distinguishingly, three be can get
The gradual change yarn of kind extreme appearance might form, i.e. convergent point couple the taper function yarn of looping mixing, left coupling cladding single function naturally
Gradual change yarn (a kind of component coat gradual change yarn completely), right coupling coats unifunctional gradual change yarn (another component coats gradually completely
Become yarn), taper function is clear, span is complete；3. since the feeding of two yarns itself is than constant therefore higher at yarn uniformity, therefore
Its intensity is high, suitable for the spinning of high, medium and low yarn count；4. the short fibre of weaving with opposition function can be selected arbitrarily, coupling is carried out
The spinning of clad type taper function is closed, the new style of multifunctional combination is axially presented in yarn；5. gained couples looping taper function
Yarn can be used for wearing, decorate use, the Technical Textiles of household and for some special dimensions；6. the successful spinning of the taper function yarn
System can provide strong reference 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.
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 Sa/SbFunction spinning mechanism has not including being placed in the front roller front of ring spinning frame, can control translation and adjust
Two short fine yarns of congeniality or function couple the U-shaped needle 1 of looping ratio each other, each self-positioning for left yarn 4 and right yarn 5
With the left buncher 2 and right buncher 3 gathered, 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 function or constituent of left yarn 4 and right yarn 5 are not
Together, then it will lead to the gradual change component yarn of periodicity and aperiodicity change that different wave length is formed after resultant yarn.The U-shaped 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.
The coupling looping ratio is translatable by the left and right of U-shaped needle 1, and realize left yarn: the theoretical looping ratio of right yarn exists
Change between 0: 1~1: 0, i.e., wrapped completely and changes between cladding completely.
Wherein, it is used to control left buncher 2, the You Ji of short fine yarn positioning on common ring throstle described in adding
Beam device 3 is equipped with bell shape channel, and three kinds of forms are selected, are specifically shown in the table of embodiment 1-4.Its effect makes to increase
Add smooth and yarn beamwidth, to coat purpose up to more preferable.
Left yarn 4 and right yarn 5 of the present invention are rove item made of common fiber of weaving in ring throstle
Rear roller is fed with the natural tension of spinning, drawing, then the obtained stretched straight parallel of drawing-off through apron roller and front roller is short
Fine yarn.Form left yarn 4 and the respective fibre property of right yarn 5 or function be different, have different fiber mechanics, it is thermally conductive,
Properties or the functions such as conductive, the absorption dyestuff of contact.Such as rigid fiber (stainless steel fibre, copper fiber, silver fiber) with commonly use it is soft
Property textile fabric (cotton fiber, wool fibre, silk fiber etc.), (carbon fiber, conduction that is gold-plated, silver-plated or aluminizing are high poly- for heat conducting fiber
Fibres etc.) with non-conductive fibre (common textile fabric etc.), excellent suctions metachromia fiber (cotton fiber, wool fibre, viscose rayon etc.) and
Difference inhales metachromia fiber (such as polyester fiber, polypropylene fiber, nylon fibre, vinylon fibre, polyvinyl chloride fibre fiber).By certain compound ratio
It the fineness or the fineness rove item such as or not is made, is obtained through the ring spinning frame drawing-off.RING SPINNING of the present invention is thin
Yarn machine refers 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 of the invention are as follows:
Step 1) increases a pair of left buncher 2 for being used to control the positioning of staple fiber yarn and the right side on common ring throstle
Buncher 3.By the rove item on the two rove cylinders with different function from the rear roller of ring throstle feed, through rear roller with
Left yarn 4 and right yarn 5 are formed after the second level drawing-off of middle roller and middle roller and front roller.The ring throstle will be passed through
The left yarn 4 of stretched straight parallel is positioned through left buncher 2 after drawing-off, and will after the ring throstle drawing-off stretched straight parallel
Right yarn 5 through right buncher 3 positioning after, with a fixed spacing feed front roller nip 9；
Step 2) is preceding in its natural convergent point A when the left yarn 4 and right yarn 5 are exported from front roller nip 9
After move U-shaped needle 1, so that nature convergent point A is located at the central point of U-shaped needle 1；
Step 3) the U-shaped needle 1 cross A point left and right translation line 8 on make periodically or non-periodically, determine frequency or frequency conversion
The left and right movement of rate, when U-shaped center of pin is reaching B point (or C point), i.e., most left (right side) is held, left (right side) yarn is in line completely
When, right (left side) yarn implements maximum looping to left (right side) yarn, is coated on right (left side) yarn completely outer, thus shows right (left side) palpus
The appearance and contact action of the component of function or the right side (left side) yarn, the looping resultant yarn of left and right manifold type realize apparent or surface layer
Function or constituent along yarn axis direction occur coupling gradual change function spinning.
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:
Embodiment 1:
Each one, true qualities stainless steel fibre cylinder, white cotton fibre tube is taken, compound ratio is 50/50.Two beam rove are through buncher
Positioning and after gathering, front roller nip is fed with the natural tension of drawing-off, 8mm spacing, in detail as shown in Figure 1.Two shafting fibers
After item goes out front roller nip, in twist factor αtexIt is 340, ingot speed comes together in A point, convergent point A under the action of being 10500rpm naturally
About 60 ° of convergence 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
Naturally coupling mutually twists the structure function yarn of looping.Then with the resultant yarn taper function waveform (trapezoidal wave) of setting and wavelength (24m),
Mobile U-shaped needle is left and right back and forth, makees trapezoidal wave gradual change, i.e., trapezoidal wave is the gradual change yarn segment length L/8 that constant speed moves to left；B point pauses gradually
Become yarn segment length L/8；The gradual change yarn segment length L/8 that constant speed moves to right；Return to the gradual change yarn segment length L/8 of A point pause；The gradual change that constant speed moves to right
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；Return to the gradual change yarn of A point pause
Segment length L/8: it takes the gradual change yarn section of B point, A point and C point to measure stainless steel fibre yarn 5 respectively and coats cotton fiber yarn 4 entirely；4/
5 yarns mutually twist the coverage rate c that (A point) and cotton fiber yarn 4 coat stainless steel fibre yarn 5 entirely5, c4/5, c4Value (is shown in Table 1).By
This is as it can be seen that taper function effect of the invention and full cladding ability are excellent.And institute at taper function yarn in stainless steel fibre 5
When being coated on outer, taper function yarn is resilient, and surface hardness is big, and thermal conductivity is good, and contact resistance is low；And it is coated in cotton fiber 4
When outer, gradual change yarn is in rigidity, and yarn body soft surface, thermal insulation is good, and contact resistance is big.The yarn is embodied in thermally conductive function and mechanics
Gradual differences in elasticity.
Embodiment 2:
Each one, gold-plated dacron thread cylinder, polyester-cotton blend blended roving cylinder is taken, compound ratio is 50/50.Two bundle fiber bodies are through buncher
Positioning and after gathering, front roller nip is fed with the natural tension of drawing-off, 10mm spacing, in detail as shown in Figure 1.Two shafting fibers
After item goes out front roller nip, in twist factor atexIt is 345, ingot speed comes together in A point under the action of being 11500rpm naturally.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 function yarn for mutually twisting looping naturally.Then
With the resultant yarn taper function waveform (sine wave) and wavelength (16m) of setting, mobile U-shaped needle is left and right back and forth, makees sine wave gradual change,
It is moved to left with sinusoidal waveform to B point, is moved to right to A point；It is moved to right with sinusoidal waveform to B point, moves to left and be back to A point: taking B point, A point
The full packet polyester cotton fiber strip 4 of gold-plated terylene tow 5 is measured respectively with the gradual change yarn section of C point；4/5 yarn mutually twist (A point) and
Polyester cotton fiber strip 4 coats the coverage rate c of gold-plated terylene tow 5 entirely5, c4/5, c4Value (is shown in Table 1).It can be seen that of the invention
Taper function effect and full cladding ability are excellent.And institute at taper function yarn when gold-plated dacron thread 5 is coated on outer, gradual change
Function yarn surface hardness is larger, and gloss is strong, glittering, and contact resistance is low, and thermal conductivity is good；And it is coated in polyester-cotton blend blend fibre 4 outer
When, gradual change yarn is more soft, flicker free gloss and it is soft, contact resistance is small, and insulating properties is preferable.The yarn is embodied in metallic luster
Property and contact conducting function on gradual differences.
Embodiment 3:
It is each one, extracting waste dacron thread cylinder, white cotton rove cylinder, compound than being 50/50.Two bundle fiber bodies are through buncher
After positioning and gathering, front roller nip is fed with the natural tension of drawing-off, 9mm spacing, in detail as shown in Figure 1.Two shafting ribbons
Out after front roller nip, in twist factor αtexIt is 320, ingot speed comes together in A point under the action of being 10000rpm naturally.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 function yarn for mutually twisting looping naturally.Then
With the resultant yarn taper function waveform (frequency conversion triangular wave) and wavelength (64m) of setting, mobile U-shaped needle is left and right back and forth, makees frequency conversion triangle
Wave gradual change, i.e. frequency conversion triangular wave are the gradual change yarn segment length T that constant speed moves to left1；The gradual change yarn segment length T that B point pauses1；Constant speed moves to right gradually
Become yarn segment length T1；Return to the gradual change yarn segment length T of A point pause1；The gradual change yarn segment length T that constant speed moves to right1；The gradual change yarn section that C point pauses
Long T1；The gradual change yarn segment length T that constant speed moves to left1；Return to the gradual change yarn segment length T of A point pause1.After repeating two circulations, constant speed is moved to left
Gradual change yarn segment length T2(=2T1)；The gradual change yarn segment length T that B point pauses2(=2T1)；The gradual change yarn segment length T that constant speed moves to right2(=
2T1)；Return to the gradual change yarn segment length T of A point pause2(=2T1)；The gradual change yarn segment length T that constant speed moves to right2(=2T1)；C point pauses gradually
Become yarn segment length T2(=2T1)；The gradual change yarn segment length T that constant speed moves to left2(=2T1)；Return to the gradual change yarn segment length T of A point pause2(=
2T1).Upper dye is carried out to the yarn using same dyestuff.The gradual change yarn section of B point, A point and C point is taken to measure polyester filament beam 5 respectively
Full cladding cotton fiber yarn 4；4/5 yarn mutually twists the coverage rate c that (A point) and cotton fiber yarn 4 coat polyester filament beam 5 entirely5,
c4/5, c4Value (is shown in Table 1).It can be seen that taper function effect of the invention and full cladding ability are excellent.And institute is at gradual change function
When dacron thread 5 is coated on outer, yarn does not adsorb dyestuff and keeps primary colors energy yarn, and surface hardness is relatively large；And in cotton
When fiber 4 is coated on outer, yarn adsorbs dyestuff and shows and dyed, and surface is relatively soft.The yarn is embodied in mechanical property
With the gradual differences in dyeability.
Embodiment 4:
Each one of black wool fibre rove cylinder, iridescent polyester filament cylinder are taken, it is compound than being 65/35.Two bundle fiber bodies warp
The positioning of buncher and after gathering, feeds front roller nip with the natural tension of drawing-off, 4mm spacing, in detail as shown in Figure 1.Two axis
After series fiber item goes out front roller nip, in twist factor αtexIt is 360, ingot speed comes together in A point under the action of being 10500rpm naturally.
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 function for mutually twisting looping naturally
Yarn.Then with the resultant yarn taper function waveform (composite wave) of setting and wavelength (16m), mobile U-shaped needle is left and right back and forth, combines
Wave gradual change is moved to left according to specific group multiplex to B point, move to right to A point；It is moved to right with combined waveform to B point, moves to left and be back to A
Point: the gradual change yarn section of B point, A point and C point is taken to measure the full packet iridescent terylene tow 4 of black wool fibre yarn 5 respectively；4/5 palpus
Item mutually twists the coverage rate c that (A point) and iridescent terylene tow strip 4 coat black wool fibre yarn 5 entirely5, c4/5, c4Value (is shown in Table 1).
It can be seen that taper function effect of the invention and full cladding ability are excellent.And institute at taper function yarn in terylene tow 4
When being coated on outer, yarn has high resiliency, and yarn body surface face is more stiffening；And when wool fibre yarn 5 is coated on outer, gradual change yarn tool
Have compared with low elasticity, modulus is higher, and yarn body surface face is more soft.The yarn is embodied in mechanics elasticity and contact comfort gradually
It is deteriorated different.
The spinning parameters of each embodiment of table 1-
Claims (10)
1. a kind of mechanism of the taper function spinning of preposition mobile coupling looping characterized by comprising
Left buncher (2) and right buncher (3) positioned at front roller nip (9) rear, parallel and respective fibre property or
The different left yarn (4) of function and right yarn (5) are equal through left buncher (2) and right buncher (3) positioning or restriction yarn respectively
It is even with width and to gather, 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 taper function spinning of preposition mobile coupling looping as described in claim 1, which is characterized in that institute
Generation and executing agency are stated including that can make the single board computer (11) of the frequency generation of the left and right translation of the U-shaped needle (1) and regulation and drive
The parallel moving mechanism (10) of the left and right translation of the U-shaped needle (1) is moved, parallel moving mechanism (10) is controlled by single board computer (11), to realize U-shaped
The movements of difference the translation rule and frequency of needle (1), thus make the mutual looping of left yarn (4) and right yarn (5) than generation pair
Answer the variation of rule and frequency.
3. a kind of mechanism of the taper function spinning of preposition mobile coupling looping as claimed in claim 2, which is characterized in that institute
Stating parallel moving mechanism (10) includes affixed bar (101), translation sliding sleeve (102), flat motion bar (103) and driving motor (104), driving electricity
Machine (104) drives translation sliding sleeve (102) left and right translation on flat motion bar (103) under the control of the single board computer (11), described
U-shaped 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 taper function spinning of preposition mobile coupling looping as described in claim 1, which is characterized in that institute
It states U-shaped needle (1) and 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 taper function spinning of preposition mobile coupling looping as described in claim 1, which is characterized in that institute
It states left buncher (2) and/or the right buncher (3) is bell shape, cross section is that round, track type or kidney ellipsoid are logical
Road.
6. a kind of mechanism of the taper function spinning of preposition mobile coupling looping as claimed in claim 5, which is characterized in that institute
Stating left buncher (2) and the right buncher (3) has track type or kidney ellipsoid channel cross-section, left yarn (4) Ji Youxu
Item (5) forms flat yarn via the left buncher (2) and the right buncher (3), to increase cladding ratio.
7. a kind of spinning side of the mechanism of the taper function spinning based on the preposition mobile coupling looping of one kind described in claim 1
Method, which is characterized in that include 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 respective fibre property of right yarn (5) or function；
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, determine the left and right movement of frequency or Frequency, realize function or component in the gradual change yarn of appearance, in which:
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) fibre property or right yarn (5) function with
Contact action 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) fibre property or left yarn (4) function with
Contact action 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 function spinning of coupling gradual change occurs along yarn axis direction for apparent or surface layer function or constituent, it is thick to obtain
Carefully more evenly, the higher taper function 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 fade function block combination and grain effect, and different parts have different senses of touch, or first use
Determine the yarn woven into fabric of component ratio but apparent content gradually variational, then gives dyeing and obtain as gradual change dyed yarn is obtained special
The fabric of color and grain effect, and different parts have different senses of touch.
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