CN106757568B - It is a kind of to synchronize incorgruous twisting spinning apparatus and Yarn spinning method - Google Patents
It is a kind of to synchronize incorgruous twisting spinning apparatus and Yarn spinning method Download PDFInfo
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- CN106757568B CN106757568B CN201710173996.XA CN201710173996A CN106757568B CN 106757568 B CN106757568 B CN 106757568B CN 201710173996 A CN201710173996 A CN 201710173996A CN 106757568 B CN106757568 B CN 106757568B
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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
- D01H1/02—Spinning or twisting machines in which the product is wound-up continuously ring type
-
- 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
- D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
- D01H1/244—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles each spindle driven by an electric motor
-
- 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
- D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/92—Spinning or twisting arrangements for imparting transient twist, i.e. false twist
- D01H7/923—Spinning or twisting arrangements for imparting transient twist, i.e. false twist by means of rotating devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The present invention, which provides, a kind of synchronizing incorgruous twisting spinning apparatus and Yarn spinning method,Including draft mechanism and winding mechanism,It is provided with feed carrier therebetween,False twisting twist device is provided between draft mechanism and feed carrier,The upper side band and lower sideband of device are respectively in contact to the fiber strip of output by front roller drawing-off with after drawing-off,To be respectively formed pre- amount of twist peace weighing apparatus twist working face,It is opposite that twist direction is generated to the fiber strip contacted respectively,The equal-sized twist,To which the yarn of double feedings after counter extensioin uses the twist of wire loop spool speed discrepancy generation and twists upper between point and feed carrier,Lower working face synchronizes the synchronous twisting of the reversed twist generated,Realize false twisting twist device on the generation twist effect of yarn formation zone and on not influenced at twist per unit finally,Double yarns after drawing-off are made directly to converge twisting resultant yarn while not changing finally into twist per unit,Improve yarn quality,Improve spinning efficiency.
Description
Technical field
It is specifically a kind of to synchronize incorgruous twisting spinning apparatus and spinning side the present invention relates to spinning new technical field
Method.
Background technology
It is still the current most important spun yarn mode of production to continue to use time-honored RING SPINNING, and which has feeding
The ribbon attenuating of certain twist draws and attenuates, and finally twists into required spun yarn.But main problem existing for RING SPINNING is：By
In there are twist triangle zones, on the one hand the tail end of side fiber can be made to be not easy to be entered sliver by winding and formed filoplume；On the other hand
Because side fiber is larger by tension difference with center fiber, it is not easy to be broken simultaneously when stretching, leads to not make full use of each list
The strength of fiber and reduce single end strength.
To solve the problems, such as this, textile limit researcher has been directed to frame spinning twist triangle zone and has carried out a large amount of research, and
A series of great successes are achieved in theoretical research, engineering practice respectively.Wherein, in Optimal improvements frame spinning twist triangle
In terms of the research for especially reducing or even eliminating twist triangle zone, important technology is had become using enhancing yarn twist unevenness method for area
Means.
But existing technical method generally existing efficiency is low, resultant yarn uneven twist and strong irregular big；Compare during use
Complexity is to increase the process of care and maintenance and be susceptible to the first-class problems of large area brake so that current is many existing
Method can not large-scale industrialization promotion.
In view of this, the present invention provide it is a kind of synchronizing incorgruous twisting spinning apparatus and Yarn spinning method, pass through double after counter extensioin
The yarn of feeding is same using the upper and lower working face between the wire loop spool speed discrepancy twist generated and twisting point and feed carrier
The synchronous twisting for walking the reversed twist generated, realizes that double yarns after drawing-off directly converge twisting resultant yarn, so as to improve SEILE textile
Yarn quality, improve spinning efficiency.
Invention content
The technical problem to be solved by the present invention is to provide a kind of to synchronize incorgruous twisting spinning apparatus suitable for SEILE textile
And Yarn spinning method, so as to improve the yarn quality of SEILE textile, is improved with realizing that double yarns after drawing-off directly converge twisting resultant yarn
Spinning efficiency.
In order to achieve the above object, synchronize incorgruous twisting spinning apparatus the present invention relates to a kind of, including draft mechanism and
Winding mechanism, the draft mechanism include rear roller drawing-off to, middle roller drawing-off to, front roller drawing-off pair, and the rear roller is led
It stretches to including rear bottom roll and rear upper glue roller, the middle roller drawing-off is to including middle bottom roller and middle upper glue roller, the front roller
Drawing-off is to including preceding bottom roll and preceding upper glue roller, and the top of roller draft pair is provided with double roving feeding horn mouth in the rear,
The double roving feeding horn mouth includes left horn mouth and right horn mouth, and the winding mechanism includes spool, the spool insertion
On spindle, the spindle is driven by motor by spindle band and is rotated, and fixed rings is surrounded on the outside of the spool,
The rings is looped around the middle and lower part of spool, and the rings is circular ring structure, the inside circumference of the rings and the outside of spool
Certain spacing, the rings is kept to be fixed on ring rail between circumference, the ring rail is fixed on the both sides of spinning frame,
It is provided with slideway on the rings, wire loop is added in the slideway, the wire loop is circular ring structure, the wire loop
It straddles in the slideway of rings, the wire loop can be along the slideway high-speed rotation of rings, in the front roller drawing-off pair and yarn
Feed carrier is provided between pipe, the feed carrier is circular ring shape, and the feed carrier is fixed on the ride face of spinning frame,
The axis of rotation of the spindle, the center of rings, the center three of feed carrier are concentric, on the left side ride face of spinning frame and the right side
False twisting twist device is respectively arranged between the front roller drawing-off pair and feed carrier in side ride face, the false twisting twist device is
The banded structure of annular, the false twisting twist device are fixed on the left or right side in spun yarn locomotive platform face, the vacation by pulley
The inside for twisting the upper side band of twist device is in contact to the fiber strip of output with by front roller drawing-off, forms pre- amount of twist work
Face, the outside of the lower sideband of the false twisting twist device are in contact to the fiber strip of output with by front roller drawing-off, are formed flat
Weigh twist working face, and the false twisting twist device is driven by motor around the left side ride face of spinning frame and right side ride face up time
Needle rotates counterclockwise, to drive the upper side band of false twisting twist device to rotate clockwise or counterclockwise, the lower sideband inverse time
Needle rotates clockwise, in the upper side band rotation process of the false twisting twist device on pre- amount of twist working face with contact
Fiber strip generates rolling friction, to drive fiber strip opposite with upper side band rotation direction around the generation of yarn center fiber
Rotation, produced with the fiber strip of contact on unbalanced twist working face in the lower sideband rotation process of the false twisting twist device
Raw rolling friction, to drive fiber strip to generate the rotation opposite with lower sideband rotation direction around yarn center fiber, together
When fiber strip and the outside contact point of lower sideband form a balance resistance twist point.
Incorgruous twisting Yarn spinning method is synchronized the invention further relates to a kind of, when spinning, the first rove and the second rove difference
Rear roller drawing-off pair is fed through the bell-mouthed left horn mouth of double feedings and right horn mouth, is led via rear roller drawing-off pair and middle roller
It stretches after the first break draft area to composition, middle roller drawing-off pair and front roller drawing-off act on the drawing-off of the front draft zone of composition and exports,
Non-twist the first fiber strip and the second fiber strip after drawing-off is obtained, the fiber strip after drawing-off is through pre- amount of twist working face
Center, the wire loop for sequentially passing through feed carrier afterwards, are finally wound on spool, at this point, motor drives spindle to turn by spindle band
It is dynamic, then drive spool rotation, then by around fiber strip drive wire loop to be rotated along the slideway of rings, due to fibre
Tie up the flexible structure of yarn so that the velocity of rotation of wire loop is less than the velocity of rotation of spool, the speed discrepancy of wire loop and spool
The effect of the original twist is generated to fiber strip, which is transmitted from bottom to top along fiber strip, is transmitted to and is led
When yarn feeding device, due to the rubbing action between feed carrier and fiber strip, being communicated up for the original twist is played for the first time
Interception, reduce the transmission efficiency of the original twist, then when lower sideband of the original yarn twist unevenness to false twisting twist device,
The balance resistance twist point that the outside contact point of fiber strip and lower sideband is formed to the original twist be communicated up play it is secondary
Interception reduces the transmission efficiency of the original twist, while false twisting twist device band kinetodesma palpus on unbalanced twist working face
Item generates the rotation opposite with lower sideband rotation direction around yarn center fiber, to generate unbalanced twist to fiber strip
The twist direction of effect, unbalanced twist and the original twist is conversely, because the presence of balance resistance twist point makes unbalanced twist can only be to upload
It passs, the original twist for being then canceled out unbalanced twist size continues up transmission, when the top for being transmitted to false twisting twist device
When band, false twisting twist device drives fiber strip to be generated and upper side band turn around yarn center fiber on pre- amount of twist working face
The opposite rotation in dynamic direction, to generate the effect of pre- amount of twist, the twist direction phase of the pre- amount of twist peace weighing apparatus twist to fiber strip
Instead, equal in magnitude, pre- amount of twist, which transmits downwards, so that the original twist is compensated upper pre- amount of twist again on the downside of upper side band, to
So that the twist that false twisting twist device generates under pre- amount of twist working face does not have influence to the final twist of resultant yarn, in advance
Amount of twist transmits downwards so that by the original twist of the upper pre- amount of twist size of compensation and the pre-add being communicated up on the upside of upper side band
The twist continues to be communicated up after merging, so that the first fiber strip and the second fiber strip after drawing-off are led by front roller
Stretch to jaw line output after directly under the comprehensive function of the original twist and pre- amount of twist around respective center fiber rotate,
To which respectively twisting merges into the first yarn and the second yarn, then the first yarn and the second yarn are directly plied to final Siro Yarn, and
The yarn forming point of converging of first yarn and the second yarn is overlapped with the plying point of the first yarn, the second yarn, and the first fiber strip is led in front roller
It stretches to converge jaw line to the first yarn and forms left twist triangle zone, the second fiber strip between yarn forming point in front roller drawing-off to pincers
Mouth line forms right twist triangle zone between converging yarn forming point to the second yarn, since pre- amount of twist makees the compensation of original yarn twist unevenness
With so that the plying for converging yarn forming point and the first yarn, the second yarn of the first yarn and the second yarn in original Siro-spinning
Twist triangle zone between point disappears, so as to improve yarn quality.
The twist and twisting of the present invention by the yarn of double feedings after counter extensioin using the generation of wire loop spool speed discrepancy
The synchronous twisting of the reversed twist of point generation synchronous with the upper and lower working face between feed carrier, realizes false twisting twist device pair
Yarn formation zone generates twist effect to not influenced at twist per unit finally, is not changing finally into twist per unit to realize
Simultaneously so that double yarns after drawing-off directly converge twisting resultant yarn, then improve the yarn quality of SEILE textile, improves spinning efficiency.
Description of the drawings
Fig. 1 is the spinning apparatus overall structure diagram of the present invention；
Specific implementation mode
As shown in Figure 1, a kind of to synchronize incorgruous twisting spinning apparatus, including draft mechanism and winding mechanism, draft mechanism packet
Rear roller drawing-off pair 5, middle roller drawing-off pair 6, front roller drawing-off pair 7 are included, rear roller drawing-off is to including rear bottom roll and rear gluing
Roller, middle roller drawing-off is to including middle bottom roller and middle upper glue roller, and front roller drawing-off is to including preceding bottom roll and preceding upper glue roller, rear
The top of roller draft pair is provided with double roving feeding horn mouth, and it includes left horn mouth 3 and right horn that double roving, which feeds horn mouth,
Mouth 4, winding mechanism include spool 11, and spool insertion is mounted on spindle, and spindle is driven by motor by spindle band and rotated, in spool
Outside be surrounded with fixed rings 10, rings is looped around the middle and lower part of spool, and rings is circular ring structure, the inside circumference of rings
Certain spacing, rings is kept to be fixed on ring rail between the outer circumference of spool, ring rail is fixed on the two of spinning frame
Side is provided with slideway on rings, and wire loop 9 is added in slideway, and wire loop is circular ring structure, and wire loop straddles rings
Slideway in, wire loop can along the slideway high-speed rotation of rings, be provided between front roller drawing-off pair and spool guide dress
8 are set, feed carrier is circular ring shape, and feed carrier is fixed on the ride face of spinning frame, in the axis of rotation of spindle, rings
The heart, the center three of feed carrier are concentric, the left side ride face of spinning frame and right side ride face front roller drawing-off pair and lead
False twisting twist device 12 is respectively arranged between yarn feeding device, false twisting twist device is the banded structure of annular, false twisting twist device
Be fixed on the left or right side in spun yarn locomotive platform face by pulley, the inside of the upper side band 13 of false twisting twist device with by front roller
Drawing-off is in contact to the fiber strip of output, forms pre- amount of twist working face, the outside of the lower sideband 14 of false twisting twist device with
It is in contact to the fiber strip of output by front roller drawing-off, forms unbalanced twist working face, false twisting twist device is driven by motor
It is rotated clockwise or counterclockwise around the left side ride face of spinning frame and right side ride face, to drive false twisting twist device
Upper side band rotates clockwise or counterclockwise, lower sideband is counterclockwise or rotates clockwise, the upper side band 13 of false twisting twist device
Rolling friction is generated with the fiber strip of contact on pre- amount of twist working face in rotation process, to drive fiber strip to surround
Yarn center fiber generates the rotation opposite with upper side band rotation direction, in 14 rotation process of lower sideband of false twisting twist device
Rolling friction is generated with the fiber strip of contact on unbalanced twist working face, to drive fiber strip to surround yarn center fiber
The rotation opposite with lower sideband rotation direction is generated, while the outside contact point of fiber strip and lower sideband forms a balance and hinders
Twist point.
When spinning, the first rove 1 and the second rove 2 are fed through the bell-mouthed left horn mouth 3 of double feedings and right horn mouth 4 respectively
Enter rear roller drawing-off pair 5, via the first break draft area of rear roller drawing-off pair 5 and the composition of middle roller drawing-off pair 6, middle roller drawing-off pair 6
It is exported after the drawing-off effect of the front draft zone formed with front roller drawing-off pair 7, obtains the first non-twist fiber strip after drawing-off
With the second fiber strip, the fiber strip after drawing-off sequentially passes through center, the steel wire of feed carrier 8 after pre- amount of twist working face
Circle 9, is finally wound on spool 11, at this point, motor drives spindle rotation by spindle band, then spool 11 is driven to rotate, then
By around fiber strip drive wire loop 9 along rings 10 slideway rotate, due to the flexible structure of fiber strip so that
The velocity of rotation of wire loop 9 is less than the velocity of rotation of spool 11, and wire loop 9 and the speed discrepancy of spool 11 generate original to fiber strip
The effect of the beginning twist, which is transmitted from bottom to top along fiber strip, when being transmitted to feed carrier 8, due to leading
Rubbing action between yarn feeding device and fiber strip is played the interception of first time to being communicated up for the original twist, is reduced
The transmission efficiency of the original twist, then when lower sideband 14 of the original yarn twist unevenness to false twisting twist device 12, fiber strip with
The balance resistance twist point that the outside contact point of lower sideband is formed plays secondary interception to being communicated up for the original twist, drops
The transmission efficiency of the low original twist, while false twisting twist device 12 drives fiber strip to surround yarn on unbalanced twist working face
Center fiber generates the rotation opposite with lower sideband rotation direction, to generate the effect of unbalanced twist, balance to fiber strip
The twist direction of the twist and the original twist conversely, because balance resistance twist point presence unbalanced twist can only be communicated up, then by
The original twist for balancing out unbalanced twist size continues up transmission, false when being transmitted to the upper side band 13 of false twisting twist device
Twist twist device 12 drives fiber strip to be generated and upper side band rotation side around yarn center fiber on pre- amount of twist working face
To opposite rotation, to generate the effect of pre- amount of twist to fiber strip, the twist direction of the pre- amount of twist peace weighing apparatus twist is opposite, big
Small equal, pre- amount of twist transmits downwards so that upper pre- amount of twist is compensated again in the 13 original twist in downside of upper side band, to make
Obtain the twist that false twisting twist device generates under pre- amount of twist working face does not have influence, pre-add to the final twist of resultant yarn
The twist is transmitted downwards so that in 13 upside of upper side band by the original twist of the upper pre- amount of twist size of compensation and the pre-add being communicated up
The twist continues to be communicated up after merging, so that the first fiber strip and the second fiber strip after drawing-off are led by front roller
Stretch to jaw line output after directly under the comprehensive function of the original twist and pre- amount of twist around respective center fiber rotate,
To which respectively twisting merges into the first yarn and the second yarn, then the first yarn and the second yarn are directly plied to final Siro Yarn, and
The yarn forming point of converging of first yarn and the second yarn is overlapped with the plying point of the first yarn, the second yarn, and the first fiber strip is led in front roller
Stretch to jaw line to the first yarn converge yarn forming point between form left twist triangle zone 15, the second fiber strip in front roller drawing-off pair
Jaw line forms right twist triangle zone 16 between converging yarn forming point to the second yarn, since pre- amount of twist is to the benefit of original yarn twist unevenness
The effect of repaying, so that the first yarn and the second yarn in original Siro-spinning converges yarn forming point and the first yarn, the second yarn
Twist triangle zone between plying point disappears, so as to improve yarn quality.
Claims (1)
1. a kind of synchronizing incorgruous twisting spinning apparatus, including draft mechanism and winding mechanism, the draft mechanism includes rear roller
To, middle roller drawing-off to, front roller drawing-off pair, the rear roller drawing-off is described to including rear bottom roll and rear upper glue roller for drawing-off
Middle roller drawing-off to including middle bottom roller and middle upper glue roller, the front roller drawing-off to including preceding bottom roll and preceding upper glue roller,
The top of the rear roller drawing-off pair is provided with double roving feeding horn mouth, and the double roving feeding horn mouth includes left horn mouth
With right horn mouth, the winding mechanism includes spool, and the spool insertion is mounted on spindle, and the spindle is by spindle band by electricity
Machine drives rotation, fixed rings is surrounded on the outside of the spool, the rings is looped around the middle and lower part of spool, the steel
Neck is circular ring structure, keeps certain spacing, the rings solid between the inside circumference of the rings and the outer circumference of spool
It is scheduled on ring rail, the ring rail is fixed on the both sides of spinning frame, and slideway is provided on the rings, in the slideway
Wire loop is added, the wire loop is circular ring structure, and the wire loop straddles in the slideway of rings, and the wire loop can edge
The slideway high-speed rotation for rings is provided with feed carrier, the feed carrier between the front roller drawing-off pair and spool
For circular ring shape, the feed carrier is fixed on the ride face of spinning frame, and the axis of rotation of the spindle, is led at the center of rings
The center three of yarn feeding device is concentric, it is characterized in that：Front roller drawing-off pair in the left side ride face and right side ride face of spinning frame
False twisting twist device is respectively arranged between feed carrier, the false twisting twist device is the banded structure of annular, the vacation
Twist twist device and be fixed on the left or right side in spun yarn locomotive platform face by pulley, the upper side band of the false twisting twist device it is interior
Side is in contact to the fiber strip of output with by front roller drawing-off, forms pre- amount of twist working face, the false twisting twist device
The outside of lower sideband is in contact to the fiber strip of output with by front roller drawing-off, forms unbalanced twist working face, the false twisting
Twist device is driven by motor and is rotated clockwise or counterclockwise around the left side ride face of spinning frame and right side ride face, to
The upper side band of drive false twisting twist device rotates clockwise or counterclockwise, lower sideband is counterclockwise or rotates clockwise, described
Rolling friction is generated with the fiber strip of contact on pre- amount of twist working face in the upper side band rotation process of false twisting twist device,
To drive fiber strip to generate the rotation opposite with upper side band rotation direction, the false twisting twist dress around yarn center fiber
Rolling friction is generated with the fiber strip of contact on unbalanced twist working face in the lower sideband rotation process set, to drive fibre
Tie up yarn and generate the rotation opposite with lower sideband rotation direction around yarn center fiber, at the same fiber strip and lower sideband outside
Side contacts point forms a balance resistance twist point；When spinning, the first rove and the second rove are respectively through double bell-mouthed left loudspeakers of feeding
Mouth and right horn mouth feed rear roller drawing-off pair, via rear roller drawing-off pair and middle roller drawing-off to the first break draft area of composition,
Middle roller drawing-off pair and front roller drawing-off obtain non-twist the after drawing-off to being exported after the drawing-off effect of the front draft zone of composition
One fiber strip and the second fiber strip, the fiber strip after drawing-off sequentially pass through feed carrier after pre- amount of twist working face
Center, wire loop, are finally wound on spool, at this point, motor drives spindle rotation by spindle band, then drive spool rotation,
Then by around fiber strip drive wire loop along rings slideway rotate, due to the flexible structure of fiber strip, make
The velocity of rotation of wire loop is less than the velocity of rotation of spool, the speed discrepancy of wire loop and spool generates original twirl to fiber strip
The effect of degree, which is transmitted from bottom to top along fiber strip, when being transmitted to feed carrier, due to feed carrier
Rubbing action between fiber strip plays the interception of first time to being communicated up for the original twist, reduces original twirl
The transmission efficiency of degree connects when lower sideband of the original yarn twist unevenness to false twisting twist device on the outside of fiber strip and lower sideband
The balance resistance twist point that contact is formed plays secondary interception to being communicated up for the original twist, reduces the biography of the original twist
Efficiency is passed, while false twisting twist device drives fiber strip to be generated under around yarn center fiber on unbalanced twist working face
The opposite rotation of sideband rotation direction, thus the effect to fiber strip generation unbalanced twist, unbalanced twist and the original twist
Twist direction conversely, because balance resistance twist point presence unbalanced twist can only be communicated up, it is big to be then canceled out unbalanced twist
The small original twist continues up transmission, and when being transmitted to the upper side band of false twisting twist device, false twisting twist device is being twisted in advance
Spending on working face drives fiber strip to generate the rotation opposite with upper side band rotation direction around yarn center fiber, to fibre
Dimension yarn generates the effect of pre- amount of twist, and the twist direction of the pre- amount of twist peace weighing apparatus twist is opposite, equal in magnitude, and pre- amount of twist passes downwards
It passs so that the original twist is compensated upper pre- amount of twist again on the downside of upper side band, so that false under pre- amount of twist working face
Twisting the twist that twist device generates does not have influence, pre- amount of twist to transmit downwards so that in upper side band the final twist of resultant yarn
Upside continues to be communicated up after by the original twist of the upper pre- amount of twist size of compensation and the pre- amount of twist being communicated up being merged, to
Make the first fiber strip after drawing-off and the second fiber strip after being exported by the jaw line of front roller drawing-off pair directly in original
Under the comprehensive function of the beginning twist and pre- amount of twist around respective center fiber rotate, to respectively twisting merge into the first yarn and
Second yarn, then the first yarn and the second yarn are directly plied to final Siro Yarn, and the first yarn and the second yarn converge yarn forming point
It is overlapped with the plying point of the first yarn, the second yarn, the first fiber strip converges resultant yarn to jaw line in front roller drawing-off to the first yarn
Left twist triangle zone, the second fiber strip are formed between front roller drawing-off converges jaw line to the second yarn yarn forming point between point
Right twist triangle zone is formed, since pre- amount of twist is to the compensating action of original yarn twist unevenness, so that original Siro-spinning
In the first yarn and the plying point for converging yarn forming point and the first yarn, the second yarn of the second yarn between twist triangle zone disappear, from
And improve yarn quality.
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| CN109234864A (en) * | 2018-10-08 | 2019-01-18 | 合肥经新纺织科技有限公司 | A kind of double twist yarn synchronous production devices and production method |
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