CN105970391A - Segment color yarn spinning method and device - Google Patents
Segment color yarn spinning method and device Download PDFInfo
- Publication number
- CN105970391A CN105970391A CN201610330773.5A CN201610330773A CN105970391A CN 105970391 A CN105970391 A CN 105970391A CN 201610330773 A CN201610330773 A CN 201610330773A CN 105970391 A CN105970391 A CN 105970391A
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- Prior art keywords
- roller
- apron
- yarn
- front roller
- suction slot
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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
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
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- 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
-
- 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
- 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
- D01H5/74—Rollers or roller bearings
-
- 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
- D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Provided is a segment color yarn spinning method. In a roller drafting mechanism of a spinning frame, each piece of thick yarn is independently clamped by a pair of yarn guiding leather collars and guided to a front roller jaw, a computer program controller controls the speed at which the thick yarn is fed into the front roller jaw according to time segments, a front roller rotates according to an equivalent linear density spinning program or a bunchy yarn spinning program of the computer program controller, the equivalent linear density spinning program and the rotating rule of the front roller are related to the change rule of the rotating speed of a servo motor for driving a leather collar roller, when the speed of the servo motor of the leather collar roller is controlled to change, the front roller correspondingly instantly slows down under the control of the computer program controller, the speed is changed so that the yarn levelness decreasing phenomenon caused by the speed change of the leather collar roller can be compensated for, the bunchy yarn spinning program and the rotating rule of the front roller are not related to the change rule of the rotating speed of the servo motor for driving the leather collar roller, the front roller randomly instantly slows down under the control of the computer program controller, and nubs are formed.
Description
Technical field
The present invention relates to a kind of novel ring spindle yarn spinning technique, be specifically related to a kind of section coloured silk Yarn spinning method and device.
Background technology
For many years, people use two rove, and one is continuously fed into from middle roller, a side discontinuously fed from rear roller
Method produces section coloured yarn, and its yarn texture is that one group of interrupted fiber package is entangled on another group continuous print fiber, patent of invention
201010616326.9 " waiting line density RING SPINNING section coloured yarn resultant yarn method and device " propose at ring throstle drafter
Rear roller use coaxial combination roller, same rear roller axle realizes two kinds of different feeding speed, controls two rove and divides
Time period speed change feeds, it is achieved two rove absolutely can alternately exchange, and controls as means with equivalent feeding, it is achieved wait line
Density Duan Caifang, patent of invention 201210206260.5 " a kind of spinning frame proparea segmentation section coloured silk spun yarn method and drafting machine
Structure ", on the basis of patent 201010616326.9 is researched and developed, it is proposed that the middle roller of ring throstle drafter uses coaxial
Combined roller control two rove, in segmented fashion, equivalent feeding front draft zone, it is achieved wait line density Duan Caifang, same
Two rove can be realized at front roller nip and replace feeding technology, also have the patent of Toyota Company of Japan application
201480019063.X " drafting system of spinning machine ", this technology uses middle roller and rear roller to control a rove respectively, its
In, the rove that rear roller controls is directed directly to front roller nip, patent 201210206260.5 and patent by apron from rear roller
201480019063.X all uses roller to drive apron, independent guiding rove time segment to replace speed change feeding front roller nip,
This mode replacing speed change feeding at front roller nip can spin the section coloured yarn of the shortest segment length, patent
201210206260.5 use coaxial combination laura structure, independently control under the mode of two rove at roller, maintain three
The ring spindle yarn drawing-off structure of two these classics of draw zone of roller shaft, and follow spinning, drawing and do not gather, gather not drawing-off
Principle, feed quantity is controlled relative with the control of roving-drafting friction field the most reasonable by technical scheme, but, two in sum
Root rove segmentation replaces speed change feeding front roller technology, is need to have the of short duration time, slightly owing to the speed change of servomotor responds
The alternately variable feeding of yarn, the twist factor of draw zone rove can change, especially at two rove absolutely checker
Time, the rove of pause shrinks because having lacked the traction of speed change, causes feeding hysteresis phenomenon next time, and produce details, and this is right
In line density yarns such as spinning high-quality, being a critical defect on sport technique segment, meanwhile, above-mentioned patent uses two differences
Color rove spinning section coloured yarn, dull coloring, is also a problem, although have patent to propose three rove feeding structures and side
Method, but adopt on the basis of being all based on coaxial two rollers, add the roller that a motor independently controls, and its most again
In drafter back zone, gather, drawing-off synchronize, more can not ensure the uniform of drawing-off, realize more different color rove etc.
Line density section coloured silk spins, and its technical difficulty is not feeding method, and is many rove parallel draftings, must exist each other
Interval, many rove parallel, interval need to take wider roller nip so that each ingot front roller nip exports many accordingly
The width distance of fiber strip is the biggest, by existing fiber aggregate method, is spaced, variable and don't simultaneously export many
Fiber strip, under normal spinning state, the most from beginning to end, then twisted forms continuously long
The yarn of degree, is extremely difficult, the resultant yarn that this is many rove spins in ring throstle front roller nip segmentation another
Key technical problem, the section coloured silk Yarn spinning method that patent 201010616326.9, patent 201210206260.5 propose, also refer to
On the basis of waiting line density Yarn spinning method, change by controlling feed quantity, it is achieved section color bunchy yarn spinning technique scheme, but
It is, this by regulation and control feeding roller speed, change total feed quantity and form ring, the complication that spinning process programs can be caused,
And formed slub length also can be the longest, it is impossible to accomplish the production of ultrashort ring.
Summary of the invention
One object of the present invention, is to propose a kind of section coloured silk Yarn spinning method, it is achieved higher quality, more color scheme etc.
Line density section coloured yarn or the spinning of section color bunchy yarn.
Further object is that a kind of section coloured silk spinning apparatus of offer, for the realization of the inventive method.
The technical scheme that the present invention takes is as follows:
A kind of section coloured silk Yarn spinning method, on ring throstle, corresponding to each spun yarn ingot position, at least two rove,
In the roller drafting mechanism of spinning frame, each rove is all that the roller independently driven by servomotor draws, by drawing yarn apron
Clamping, guiding to front roller nip, continuity in time and segmentation, speed change feeding front roller nip, the rove of all feedings, its
Feeding speed Changing Pattern presses n velocity composition circulation, and the time of each velocity composition is different in size, and front roller drawing-off feeds
Rove, output drawing-off after fiber strip, the fiber strip of output is gathered under the attraction of air-flow and is converged, at twisting mechanism
Under effect, add line density yarn or bunchy yarns such as being twisted, the many rove that described each spun yarn ingot position is corresponding, Mei Yigen
The material component of rove be the color of that differ or each rove be different, each rove is drawn by a pair respectively
Yarn apron Individual gripper, guiding are to front roller nip, and drawing yarn apron for every a pair is to be driven by a pair apron roller, every a pair apron
Roller is independently to be driven by a servomotor, and each the servomotor driving apron roller is by Computerized controller control
System, Computerized controller by spinning process requirement, temporally segmentation change servomotor rotating speed, thus temporally Discrete control
The speed of rove feeding front roller nip, described apron roller is equal or unequal with the spacing of front roller,
Each rove is parallel drafting in drafter, and corresponding to each rove, the conversion of front roller nip section in time is prolonged
Continuous, export one group of variable or the fiber strip of interruption, the position that each group of fiber strip exports from front roller nip is the most overlapping,
In over any time period, at least one group of fiber strip exports from front roller nip, and front roller is to use driven by servomotor, front
Roller rotating rule is by Computerized controller control, and front roller presses the program rotation that Computerized controller performs, described
Computerized controller executable program includes waiting line density spinning program, slub spinning program, the described line density that waits to spin
Yarn program, front roller rotating rule is to be associated, when one with the servomotor rotation speed change rule driving apron roller
Between the Duan Yanxiang next one time period, control the servomotor speed change of apron roller when spending, make the front roller of uniform rotation, at computer
Under cyclelog controls, corresponding there is an instantaneous deceleration, described slub spinning program, front roller rotating rule with
The servomotor rotation speed change rule driving apron roller is unconnected, makees the front roller of uniform rotation, at computer program
Under controller controls, randomly generating instantaneous deceleration, the fiber strip of output front roller nip, by the apparatus for collecting being connected with negative pressure
Gathering, apparatus for collecting guides the air-flow of fibre strand integrated composite because negative pressure produces, and airstream suction same ingot position front roller nip is at least
The fiber strip of two diverse location outputs is polymerized to aggregate site, makes the fiber strip polymerization of different jaw position, discontinuously output,
Described polymerization is the surface aggregate at apparatus for collecting or the polymerization of the inner chamber at apparatus for collecting, under the effect of twisting mechanism
The line densities such as twisted one-tenth or Bamboo-shaped, and along its length, the material component of fiber or COLOR COMPOSITION THROUGH DISTRIBUTION are changes
Yarn.
A kind of section coloured silk Yarn spinning method, rove first, second ..., under each apron roller nip corresponding, rove first, second ...
Line density spy's number is respectively TFirst、TSecond..., Computerized controller by servomotor, apron roller, draw yarn apron and control respectively
The feeding speed of each rove, by technological requirement, rove first, second ... are circulated successively by n velocity composition, time segment, often
In individual circulation, all linear resonance surface velocities combinations drawing yarn apron from, it is changed to successively, Computerized controller controls to draw yarn apron within the equal Δ t time, in arbitrary velocity composition, and feeding
Amount meets:
A kind of section coloured silk Yarn spinning method, the line density spinning program such as front roller execution, when apron roller speed change, at the uniform velocity turn
Dynamic front roller, under Computerized controller control, produces instantaneous deceleration, and its amplitude size slowed down, time length can
Adjusting, the purpose of speed change is to compensate for the dry phenomenon that attenuates of bar that apron roller speed change causes, and ensures the yarn bar of spinning further
Dry is uniform.
A kind of section coloured silk Yarn spinning method, front roller performs slub spinning programmed instruction, makees the front roller of uniform rotation at electricity
Brain cyclelog control under, produce randomness instantaneous deceleration, the size of its deceleration amplitude is adjustable, the maximum duration of deceleration with
Shortest time, the maximum duration interval of randomness and shortest time interval can set, and the purpose of deceleration is to reduce front roller
Drafting multiple to rove, forms slubbing, on the material component of fiber or the length of yarn direction of COLOR COMPOSITION THROUGH DISTRIBUTION change, slightly
Joint is in random distribution state.
A kind of section coloured silk Yarn spinning method, apparatus for collecting combines with grid ring to gather suction slot, and fiber strip absorption is being gathered
The grid ring surface of suction slot, vertically moving with grid ring, the fiber strip at interval is gathered suction slot airflow function,
Producing lateral displacement and be polymerized, the described suction slot that gathers is oblique, is made up of suction inlet, suction seam, and aspiration port is near front roller
Jaw, suction inlet width is more than inhaling seam width, and for the rove feeding more than two, the suction slot that gathers of each ingot is gathered air-breathing by main
Seam gathers suction slot with at least one auxiliary and constitutes, and twists with the fingers for Z, and the main suction slot that gathers is inhaled in the right side tiltedly, and auxiliary is gathered suction slot and is
Left tiltedly master gathers suction slot absorption two groups of fiber strips of guiding, and auxiliary gathers suction slot absorption guiding one group or two groups of fibers
Yarn is also become owner of and is gathered suction slot, and the main seam tail end of inhaling gathering suction slot is positioned at all auxiliary and gathers suction slot and inhale a left side for seam tail end
Side, gathers suction slot through main and assist the fiber strip gathering suction slot guiding the most all to pass through the main suction seam tail gathering suction slot
End, interrupted fibre strand integrated composite suction slot guides and closes, headtotail, polymerization bunchy.
A kind of section coloured silk Yarn spinning method, apparatus for collecting, to gather pore and collection gather qi together bin structure, attracts front roller output
Fiber strip enter gather pore, gathering pore entrance boundling, gathering pore inner chamber twisted, the yarn after twisting is from collection
The yarn outlet hole in gather qi together storehouse is drawn.
Further, each apron roller is equal with the spacing of front roller, and each rove all can be at servo electricity
Under the rear roller that machine independently drives controls, obtaining double draft, each apron roller is corresponding with before and after each rear roller, skin
Circle roller is equal with the spacing of rear roller, the drafting multiple between apron roller and rear roller corresponding before and after each group,
Do not change with the change of apron roller speed.
Further, section coloured silk Yarn spinning method can be combined with filament short-fiber composite spinning technology, thick at two or more than two
On the basis of yarn segmentation feeding, increase long filament and be continuously fed into, employing elasticity or stiff long filament, produce length fibre and be combined
Structure and its along its length, the fiber strip content distribution after each roving-drafting be change length fibre composite yarn.
A kind of section coloured silk spinning apparatus, device includes roller drafting mechanism, gathers mechanism, control drive mechanism, described sieve
Draw drafter to include at least two pairs of apron rollers, at least two to drawing yarn apron, front roller, described apron roller, every a pair
Including a upper leather ring roller, a lower apron roller, described draws yarn apron, include for every a pair drawing on one yarn apron, one
Drawing yarn apron under individual, described front roller includes front roller, lower front roller, and each apron roller keeps equal sieve with front roller
Drawing spacing or unequal roller spacing, every a pair apron roller to drive and draw yarn apron for a pair, drawing yarn apron every a pair is all
Rove causes front roller nip, and every a pair apron roller is independently driven by a servomotor respectively, and each drives apron
The servomotor of roller, under Computerized controller control, can time segment speed change rotate, the segments of time period, time period
Length, the rotating speed of each time period can set, Computerized controller pass through servomotor, apron roller, control every a pair and draw
Yarn apron is in each time period, and the speed of service of clamping rove, described front roller is to use driven by servomotor, front sieve
Drawing rotating rule by Computerized controller control, front roller presses the program rotation that Computerized controller performs, described electricity
Brain cyclelog executable program includes waiting line density spinning program, slub spinning program, and described computer program controls
Device executable program includes waiting line density spinning program, slub spinning program, and described waits line density spinning program, front roller
Rotating rule is to be associated with the servomotor rotation speed change rule driving apron roller, prolongs to the next one a time period
Time period, when the servomotor speed change of control apron roller is spent, make the front roller of uniform rotation, in Computerized controller control
Under, corresponding there is an instantaneous deceleration, its amplitude size slowed down, time length is adjustable, described slub spinning program,
Front roller rotating rule is unconnected with the servomotor rotation speed change rule of driving apron roller, before making uniform rotation
Roller, under Computerized controller control, randomly generates instantaneous deceleration, and the size of its deceleration amplitude is adjustable, and deceleration is
Long-time and shortest time, the maximum duration interval of randomness and shortest time interval can set, and the described mechanism that gathers includes
Special pipe, grid ring, described control drive mechanism includes Computerized controller, servomotor.
Further, gather the special pipe of mechanism to have and gather suction slot, for the rove feeding more than two, each spindle
The suction slot that gathers gather suction slot due to a master and at least one auxiliary gathers suction slot composition, main gather suction slot with auxiliary
Help that to gather suction slot be the combination of y type, each gather suction slot by suction inlet, inhale seam and constitute, aspiration port near front roller nip, is inhaled
Mouth width is more than inhaling seam width, and the main suction inlet width gathering suction slot is more than or equal to auxiliary and gathers the suction inlet width of suction slot
Degree, the main suction inlet gathering suction slot correspond to two groups of fiber strip output jaws, twists with the fingers equipment, the main suction gathering suction slot for Z
Seam is oblique in the right side, assists the suction gathering suction slot to stitch as left oblique, assists the suction seam gathering suction slot to import master and gathers the suction of suction slot
Seam, the main suction slot that gathers is inhaled the tail end gathering limit of seam and is positioned at all auxiliary and gathers suction slot to inhale the tail end gathering limit of seam left
Side, gathers, with auxiliary, the fiber strip that suction slot guides through the main suction slot that gathers, and the most all needs to inhale seam through the main suction slot that gathers
Gather the tail end on limit, gather that front roller nip diverse location exports by mechanism each organize interrupted fiber strip converge and close, head
Tail connects, aggregates into the fibre bundle of a branch of continuous length.
Further, in drafter, each apron roller keeps equal roller spacing, drafter with front roller
Can increase and the rear roller of apron roller equal number, constitute double draw zone structure, before some rear rollers and some apron rollers
Rear one_to_one corresponding, rear roller keeps equal roller spacing with apron roller, and each rear roller is respectively by a servomotor
Driving, every driven by servomotor is controlled rear roller and corresponding skin by Computerized controller control, Computerized controller
Circle roller synchronization, in proportion speed change, keep every a pair apron roller first break draft district drafting multiple with rear roller not with apron sieve
The change of rotating speed is drawn to change.
Further, section coloured silk spinning apparatus gather mechanism, Ji Juqicang can be used, described Ji Juqicang has and gathers
Pore and yarn outlet hole, collection is in negative pressure state inside gather qi together storehouse, and negative pressure makes to gather pore and produces air-flow, and airstream suction front roller breaks
The fiber strip of continuous output converges to gather pore, is gathering pore entrance boundling, is gathering pore inner chamber twisted, after twisting
Yarn is drawn from the yarn outlet hole of Ji Juqicang.
Beneficial effects of the present invention:
One section coloured silk Yarn spinning method of the present invention and device, be that technology is ground on the basis of original two rove proparea segmentations are spun
The extension sent out and development, the present invention proposes Computerized controller and controls many rove in front roller nip time segment speed change group
Close, while equivalent feeding, control front roller rotating speed and make corresponding compensation, it is achieved in high precision, the line density spinning such as controlled, with
Time, it is achieved the slub spinning of front roller speed change and with long filament composite spinning, it is proposed that solve more organize drawing-off rove arranged side by side and lead
Centralizing technique scheme after stretching, adds the combination of yarn component or color, front roller compensation technique scheme, improves yarn bar
Evenness, simultaneously front roller speed change slub spinning, relative in, rear roller feed quantity change control, can be at many components
Or on the basis of multicolour combination, it is thus achieved that more preferably ring effect is notable, is combined with filament short-fiber composite spinning technology, makes this
The application of inventive technique is widely expanded.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that a kind of section of the present invention three apron rollers of color Yarn spinning method draw yarn；
Fig. 2 is that special pipe of the present invention gathers suction slot and gathers the schematic diagram of fiber strip；
Fig. 3 is the schematic diagram of the poly-fiber strip of Ji Juqicang of the present invention；
Fig. 4 is the schematic diagram that a kind of section of the present invention four apron rollers of color Yarn spinning method draw yarn；
Detailed description of the invention
Technical scheme is described in detail below in conjunction with accompanying drawing.The embodiment of the present invention is intended for concrete grammar is described, should
The scale of method should not be limited by the examples, any on the basis of the principle of the invention, uses technical staff at art
Known general knowledge is modified, and is all the scope of protection of the invention.
Embodiment
As it is shown in figure 1, be three rove first, second, third under the clamping drawing yarn apron, cause front roller nip schematic diagram,
The roller drafting mechanism of spinning frame includes apron roller first 21, apron roller second 22, the third 23 3 pairs apron rollers of apron roller,
And overlapped on three pairs of apron rollers draw yarn apron first 31, draw yarn apron second 32, draw yarn apron the third 33, a pair front roller 1, each
Apron roller is included a upper leather ring roller and a lower apron roller, draws yarn apron for every a pair and include drawing on one yarn apron
Drawing yarn apron under one, front roller includes front roller, lower front roller, apron roller first 21, apron roller second 22, apron sieve
Drawing the third 23 to keep equal roller spacing with front roller 1, apron roller first 21, apron roller second 22, apron roller the third 23 is with front
Roller 1 is independently driven by four servomotors respectively, and servomotor is controlled velocity of rotation by Computerized controller, passes through computer
Cyclelog can set, control three to drawing the speed that yarn aprons rove runs, can the rotation of Synchronization Control front roller 1.
Under apron roller first 21, apron roller second 22, apron roller the third 23 jaw, rove first, second, line density spy's number of third
It is respectively TFirst、TSecond、TThird, Computerized controller by servomotor, apron roller, draw yarn apron control respectively rove first, second,
The feeding speed of third, by technological requirement, rove first, second, third presses n velocity composition, and time segment circulates successively, each circulation
In, draw yarn apron linear resonance surface velocity combination fromIt is changed to successively
Computerized controller control three is to drawing yarn apron, in arbitrary velocity composition of circulation, within the equal Δ t time, guides
The feed quantity of rove feeding front roller nip meets:
Meanwhile, front roller 1 is under Computerized controller control, and the program performed by Computerized controller rotates, electricity
The line densities such as brain cyclelog line density spinning and the slub such as has and spins operation program, Computerized controller operation spin
Yarn program, makees the front roller 1 of uniform rotation when apron roller speed change, under Computerized controller control, produces instantaneous subtracting
Speed, its amplitude size slowed down, time length is adjustable, when the purpose of deceleration is to reduce rove feeding alternately variable, front sieve
The fluctuation of fiber strip total amount of draw vice mouth output, exists and the problem of yarn details occurs solving existing technology, from technique and set
The standby uniformity controlling to ensure the yarn evenness of spinning the most further, and realize along its length, containing of three groups of fibers
Amount distribution is change；Computerized controller runs slub spinning program, makees the front roller 1 of uniform rotation at computer program
Under controller controls, producing the instantaneous deceleration of randomness, the size of its deceleration amplitude is adjustable, time interval scope, deceleration time
Scope can set, scalable, and in the case of feed quantity holding is constant, the purpose of deceleration is the drawing-off in order to reduce front draft zone
Multiple, forms slubbing, uses the change of front roller speed to form slubbing, and the change feeding amount relative to apron roller forms slubbing,
The slubbing that can make formation is shorter, and process programming simplifies, and the Changing Pattern of front roller speed and three pairs of apron roller speeds become
Law is unconnected, and slubbing is randomly dispersed in optional position, length of yarn direction, and the yarn of spinning is slub shape, and edge
Its length direction, the content distribution of three groups of fibers is change.
Gathering mechanism and be positioned at front roller outlet side, gather mechanism and use special pipe, grid ring, grid ring turns on special pipe
Dynamic, gather the air-flow produced in suction slot and guide fiber strip that transverse shifting occurs on grid ring surface, as in figure 2 it is shown, described
Gather to have on the special pipe of mechanism and gather suction slot 4, the suction slot that gathers of each spindle gathers suction slot due to a master
41 gather suction slot 42 with an auxiliary forms, and master gathers suction slot 41 and auxiliary is gathered suction slot 42 and combined in y type, each
Gathering suction slot to be made up of suction inlet, suction seam, aspiration port is near front roller nip, and suction inlet width is more than inhaling seam width, and master gathers suction
Suction inlet 411 width of air cleft gathers suction inlet 421 width of suction slot more than auxiliary, and the main suction inlet 411 gathering suction slot correspond to
The centre of two groups of fiber strip output jaws, two groups of fiber strips on the right side of attraction, equipment, the main suction gathering suction slot are twisted with the fingers for Z
Seam 412 in the right side tiltedly, auxiliary gather the suction seam 422 of suction slot for left tiltedly, auxiliary is gathered suction slot and is inhaled that seam 422 remittance is main gathers air-breathing
Seam inhales seam 412, and main suction slot 41 and the auxiliary gathered is gathered the fiber strip that suction slot 42 guides and prolonged the main suction slot that gathers respectively and inhale
The limit 413 of gathering of seam 412 is gathered with the limit 423 of gathering that auxiliary gathers suction slot suction seam 422, and the main suction slot suction seam that gathers gathers limit
The tail end 414 of 413 is positioned at auxiliary and gathers suction slot and inhale seam and gather the left side of limit 423 tail end 424, gathers suction slot 41 with auxiliary through main
Help and gather the fiber strip that suction slot 42 guides, the most all need to gather the tail end 414 on limit 413 through the main suction slot suction seam that gathers,
Gather mechanism by three groups of interrupted fiber strips by the delivery of grid ring, gather the attraction of air-flow in suction slot, converge and close,
Headtotail, aggregate into the fibre bundle of a branch of continuous length.
As it is shown on figure 3, apparatus for collecting uses collection gather qi together storehouse 5, described collection gather qi together storehouse 5 has and gathers pore 51, yarn outlet hole
52, negative pressure pore 53, negative pressure pore 53 connects with spinning frame negative pressure cabin, and collection gather qi together storehouse 5 inner chamber is in negative pressure state, and negative pressure makes collection
Gather qi together hole 51 produces air-flow, and three groups of fiber strips that airstream suction front roller nip discontinuously exports converge to gather pore 51,
Gathering pore entrance boundling, gathering pore inner chamber twisted, the yarns Y after twisting is drawn from the yarn outlet hole 52 of Ji Juqicang.
As shown in Figure 4, a kind of section of the present invention four apron rollers of color Yarn spinning method draw the schematic diagram of yarn, and apron roller is with front
The spacing of roller is unequal, and what all apron rollers drove draws yarn apron rove all can cause front roller nip, computer program
Controller passes through servomotor, apron roller, and control four is to drawing yarn apron, by four rove, by the requirement of technique with different
Velocity composition, in chronological order segmentation, circulation feeding front roller nip.
Claims (10)
1. a section coloured silk Yarn spinning method, on ring throstle, corresponding to each spun yarn ingot position, at least two rove, carefully
In the roller drafting mechanism of yarn machine, each rove is all that the roller independently driven by servomotor draws, by drawing yarn apron folder
Holding, guide to front roller nip, continuity in time and segmentation, speed change feeding front roller nip, the rove of all feedings, it is fed
Enter velocity variations rule to circulate by n velocity composition, and the time of each velocity composition is different in size, front roller drawing-off feeding
Rove, the fiber strip after output drawing-off, the fiber strip of output is gathered under the attraction of air-flow and is converged, at the work of twisting mechanism
Under with, add line density yarn or bunchy yarns such as being twisted, it is characterized in that the many rove that described each spun yarn ingot position is corresponding,
The material component of each rove be the color of that differ or each rove be different, each rove respectively by
Drawing yarn apron Individual gripper for a pair, guide to front roller nip, drawing yarn apron for every a pair is to be driven by a pair apron roller, each
Being independently to be driven by a servomotor apron roller, each the servomotor driving apron roller is by computer program control
Device processed controls, and Computerized controller is by spinning process requirement, and temporally segmentation changes servomotor rotating speed, thus temporally divides
Section controls the speed of rove feeding front roller nip, and described apron roller is equal with the spacing of front roller or not phase
Deng, each rove is parallel drafting in drafter, and corresponding to each rove, front roller nip section in time turns
Changing continuity, export one group of variable or the fiber strip of interruption, each group of fiber strip is from the position that front roller nip exports not
Overlap, over any time period in, at least one group of fiber strip exports from front roller nip, and front roller is to use servomotor to drive
Dynamic, front roller rotating rule is by Computerized controller control, and front roller presses the program rotation that Computerized controller performs, institute
The Computerized controller executable program stated includes waiting line density spinning program, slub spinning program, and described waits line close
Degree spinning program, front roller rotating rule is to be associated, one with the servomotor rotation speed change rule driving apron roller
The individual time period prolonged to the next time period, when the servomotor speed change of control apron roller is spent, made the front roller of uniform rotation,
Under Computerized controller controls, one instantaneous deceleration of corresponding generation, described slub spinning program, front roller rotates rule
Rule is unconnected with the servomotor rotation speed change rule of driving apron roller, makees the front roller of uniform rotation, at computer
Under cyclelog controls, randomly generating instantaneous deceleration, the fiber strip of output front roller nip, by being connected with gathering of negative pressure
Device gathers, and apparatus for collecting guides the air-flow of fibre strand integrated composite, airstream suction same ingot position front roller nip because negative pressure produces
The fiber strip of at least two diverse location outputs is polymerized to aggregate site, makes different jaw position, the fiber strip of discontinuously output
Polymerization, described polymerization is the surface aggregate at apparatus for collecting or the polymerization of the inner chamber at apparatus for collecting, at the work of twisting mechanism
With the line densities such as twisting synthesis or Bamboo-shaped, and along its length, material component or the COLOR COMPOSITION THROUGH DISTRIBUTION of fiber are
The yarn of change.
A kind of section coloured silk Yarn spinning method the most according to claim 1, is characterized in that rove first, second ..., each apron corresponding
Under roller nip, line density spy's number of rove first, second ... is respectively TFirst、TSecond..., Computerized controller by servomotor,
Apron roller, drawing yarn apron and control the feeding speed of each rove respectively, by technological requirement, rove first, second ... are by n speed
Degree combination, time segment circulates successively, and in each circulation, all linear resonance surface velocities drawing yarn apron combine from VFirst 1、VSecond 1..., depend on
Secondary it is changed to VFirst n、VSecond n..., Computerized controller controls to draw yarn apron within the equal Δ t time, in arbitrary velocity composition
In, feed quantity meets: (TFirst×VFirst 1+TSecond×VSecond 1+ ...) × Δ t=(TFirst×VFirst 2+TSecond×VSecond 2+ ...) × Δ t=...=(TFirst×
VFirst n+TSecond×VSecond n+ ...) × Δ t=constant.
A kind of section coloured silk Yarn spinning method the most according to claim 1, is characterized in that the line density spinning programs such as front roller execution,
When apron roller speed change, making the front roller of uniform rotation under Computerized controller control, produce instantaneous deceleration, it subtracts
Speed amplitude size, time length is adjustable, the purpose of speed change is to compensate for the dry phenomenon that attenuates of bar that apron roller speed change causes,
The yarn evenness of guarantee spinning is uniform further.
A kind of section coloured silk Yarn spinning method the most according to claim 1, is characterized in that front roller performs slub spinning program and refers to
Order, makees the front roller of uniform rotation under Computerized controller control, produces the instantaneous deceleration of randomness, its deceleration amplitude
Size is adjustable, and the maximum duration of deceleration and shortest time, the maximum duration interval of randomness and shortest time interval can set, and subtract
The purpose of speed is to reduce the front roller drafting multiple to rove, forms slubbing, and material component or color at fiber divide
On the length of yarn direction of cloth change, slubbing is random distribution state.
A kind of section coloured silk Yarn spinning method the most according to claim 1, is characterized in that apparatus for collecting is to gather suction slot and grid
Circle combination, fiber strip adsorbs on the grid ring surface gathering suction slot, vertically moving with grid ring, the fiber palpus at interval
Bar is gathered suction slot airflow function, produces lateral displacement and is polymerized, and the described suction slot that gathers is oblique, by suction inlet,
Inhaling seam to constitute, aspiration port is near front roller nip, and suction inlet width is more than inhaling seam width, for the rove feeding more than two, each
The suction slot that gathers of ingot is gathered suction slot with at least one auxiliary constituted by the main suction slot that gathers, and twists with the fingers for Z, leads and gather suction slot
Inhaling oblique in the right side, auxiliary gathers suction slot for a left side tiltedly, and master gathers suction slot absorption and guides two groups of fiber strips, assists and gathers suction slot
Absorption guides one group or two groups of fiber strips and becomes owner of and gather suction slot, and the main suction seam tail end gathering suction slot is positioned at all auxiliary
Help the left side gathering suction slot suction seam tail end, final the most all with the fiber strip that auxiliary gathers suction slot guiding through the main suction slot that gathers
Through the main suction seam tail end gathering suction slot, interrupted fibre strand integrated composite suction slot guides and closes, headtotail, aggregate into
Bundle.
A kind of section coloured silk Yarn spinning method the most according to claim 1, is characterized in that apparatus for collecting is to gather pore and collection gather qi together
Bin structure, attracts the fiber strip of front roller output to enter and gathers pore, gathering pore entrance boundling, gathering pore
Inner chamber twisted, the yarn after twisting is drawn from the yarn outlet hole of Ji Juqicang.
A kind of section coloured silk Yarn spinning method the most according to claim 1, is characterized in that between each apron roller and front roller
Away from being equal, each rove all can obtain double draft under the rear roller that servomotor independently drives controls, each
Apron roller is corresponding with before and after each rear roller, and apron roller is equal with the spacing of rear roller, corresponding before and after each group
Apron roller and rear roller between drafting multiple, do not change with the change of apron roller speed.
A kind of section coloured silk Yarn spinning method the most according to claim 1, the section of it is characterized in that coloured silk Yarn spinning method can be multiple with filament short-fiber
Conjunction spinning technique combines, and on the basis of two or more than two rove segmentation feedings, increases long filament and is continuously fed into, use elasticity
Or stiff long filament, produce length fiber composite structure and its along its length, the fiber strip after each roving-drafting
Content distribution is the length fibre composite yarn of change.
9. it is applicable to an a kind of section coloured silk spinning apparatus for a claim 1 section coloured silk Yarn spinning method, it is characterized in that device includes
Roller drafting mechanism, gathering mechanism, control drive mechanism, described roller drafting mechanism includes at least two pairs of apron rollers, extremely
Few two to drawing yarn apron, front roller, and described apron roller includes a upper leather ring roller, a lower apron roller for every a pair,
Described draws yarn apron, includes drawing on one yarn apron for every a pair, draws yarn apron under one, and described front roller includes sieve of going forward
Draw, lower front roller, each apron roller and front roller keep equal roller spacing or unequal roller spacing, every a pair skin
Circle roller drives and draws yarn apron for a pair, and drawing yarn apron for every a pair is all that rove causes front roller nip, every a pair apron roller
Independently being driven by a servomotor respectively, each the servomotor driving apron roller is in Computerized controller control
Under, can time segment speed change rotating, the segments of time period, the length of time period, the rotating speed of each time period can set, computer journey
Sequence controller passes through servomotor, apron roller, controls every a pair to draw yarn apron in each time period, the fortune of clamping rove
Line speed, described front roller is to use driven by servomotor, and front roller rotating rule is by Computerized controller control, front sieve
Drawing the program performed by Computerized controller to rotate, described Computerized controller executable program includes waiting line density to spin
Yarn program, slub spinning program, described Computerized controller executable program includes waiting line density spinning program, ring
Yarn program, described waits line density spinning program, and front roller rotating rule is to turn with the servomotor driving apron roller
Speed Changing Pattern is associated, and prolongs to the next time period a time period, controls the servomotor speed change degree of apron roller
Time, make the front roller of uniform rotation, under Computerized controller control, one instantaneous deceleration of corresponding generation, it slows down
Amplitude size, time length is adjustable, described slub spinning program, front roller rotating rule and the servo driving apron roller
Motor speed Changing Pattern is unconnected, makees the front roller of uniform rotation, under Computerized controller control, produces at random
Raw instantaneous deceleration, the size of its deceleration amplitude is adjustable, the maximum duration of deceleration and shortest time, randomness maximum duration between
Every and the shortest time interval can set, the described mechanism that gathers includes that special pipe, grid ring, described control drive mechanism include
Computerized controller, servomotor.
A kind of section coloured silk spinning apparatus the most according to claim 9, is characterized in that gathering the special pipe of mechanism and has and gather suction
Air cleft, for more than the feeding of two rove, the suction slot that gathers of each spindle gathers suction slot and at least one due to a master
Auxiliary gathers suction slot composition, and master gathers suction slot and gathers suction slot with auxiliary is the combination of y type, and each is gathered suction slot by inhaling
Mouth, suction seam are constituted, and aspiration port stitches width, the main suction inlet width gathering suction slot near front roller nip, suction inlet width more than suction
Gather the suction inlet width of suction slot more than or equal to auxiliary, the main suction inlet gathering suction slot correspond to two groups of fiber strip outputs
Jaw, twists with the fingers equipment for Z, and the main suction gathering suction slot is stitched in the right side tiltedly, and auxiliary gathers the suction seam of suction slot for a left side tiltedly, and auxiliary is gathered
The suction of suction slot is stitched and is imported the main suction seam gathering suction slot, and master gathers the tail end gathering limit of suction slot suction seam and is positioned at all auxiliary
That gathers that suction slot inhales seam gathers on the left of the tail end on limit, gathers, with auxiliary, the fiber palpus that suction slot guides through the main suction slot that gathers
Bar, the most all needs to gather the tail end on limit through the main suction slot suction seam that gathers, gathers mechanism and exported by front roller nip diverse location
Each organize interrupted fiber strip and converge and close, headtotail, aggregate into the fibre bundle of a branch of continuous length.
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| CN106319699A (en) * | 2016-11-21 | 2017-01-11 | 江南大学 | Three-roving single-spindle controllable or uniformly controllable feeding spinning device and spinning method |
| CN106757621A (en) * | 2016-11-14 | 2017-05-31 | 江南大学 | A kind of drawing-off spinning apparatus of three roller three and Yarn spinning method |
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| CN108754727B (en) * | 2018-06-19 | 2020-11-10 | 江苏工程职业技术学院 | Production process of functional siro compact spinning semi-segment colored slub yarn |
| CN109112682A (en) * | 2018-10-19 | 2019-01-01 | 经纬纺织机械股份有限公司 | A kind of ring throstle combined type rear roller device |
| CN112323202A (en) * | 2020-06-28 | 2021-02-05 | 江苏聚海机械有限公司 | Control method and application of adjustable variable-speed rotary head |
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