CN1329571C - Fiber strand pre-twisting aggregation method and device - Google Patents

Fiber strand pre-twisting aggregation method and device Download PDF

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Publication number
CN1329571C
CN1329571C CNB2004100666517A CN200410066651A CN1329571C CN 1329571 C CN1329571 C CN 1329571C CN B2004100666517 A CNB2004100666517 A CN B2004100666517A CN 200410066651 A CN200410066651 A CN 200410066651A CN 1329571 C CN1329571 C CN 1329571C
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twisting
roller
gear
aggregation
false twister
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CNB2004100666517A
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CN1587464A (en
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于伟东
付江
于昊慧
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Donghua University
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Donghua University
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Abstract

The present invention relates to a method and a device for fiber strand pre-twisting aggregation. In the method, after entering a spinning and drafting zone for drafting, fiber strands are not directly outputted from a jaw of a front spinning roller and twisted into yarns, a false twister is additionally arranged between a leather ring jaw of the drafting zone and the jaw of the front roller for aggregating and pre-twisting the drafted fiber strands, false twisting and aggregation are formed in the zone, and the twist number is not transferred to a jaw of a drafting roller so that the effective drafting of the strands in the drafting zone is ensured. The pre-twisting device realizing the method comprises a false twister and a driving mechanism which is driven by a leather roll of a front roller and is installed on a drafting swing frame. The pre-twisting device has the characteristics of simple mechanism, convenient installation and obvious effect, and the pre-twisting device can convert original untwisted flat strands into twisted saturated tight yarn strips, reduce the generation of hair feathers of the yarn strips and increase the continuity and the intensity of the yarn strips.

Description

A kind of fiber strand pre-twisting aggregation method and device
Technical field:
The present invention relates to fiber aggregate and sliver enhancement techniques in the novel ring spinning field.Relate to a kind of method and apparatus of fiber strand pre-twisting aggregation furtherly, this method is after fiber strip enters the drawing-off of spinning, drawing district, between the apron nip of draw zone and front roller nip, set up a false twister, the fiber strip of counter extensioin gathers and pre-twisting, and the pre-twisting apparatus of realizing this method is made of a false twister and the driving mechanism that driven, be installed on the drawing-off reel cage by the front roller roller.
Background technology:
The basis of high-grade light and thin fabric is a high-count yarn.The processing of bright and clean smooth lining depends on the bright and clean and no filoplume of yarn entirely.The softness of fabric except that this body structure of fabric, the softness of yarn most importantly.Therefore, the proterties of yarn is the basic of fabric premium properties acquisition.Will process high, bright and clean, soft yarn at present, have numerous contradictions and where the shoe pinches in theory, want soft as yarn, then little, the structure of the twist is wanted pine, and this brings great difficulty for the processing high grade yarn, i.e. spinning is broken end, yarn appearance lack of homogeneity easily; As want bright and clean, high of yarn, and then require the twist to want high, structure is critical, and obviously this is a pair of contradiction.For solving this contradiction, the mode that adopts is to select thinner fiber for use usually.This mode is more or less freely concerning chemical fibre, and has difficulty the cotton that spontaneous growth is formed, hair, flax fibre.The attenuating and bring bigger difficulty can for the preceding road process of spinning processing of fiber simultaneously is as combing, shredding, stretch and be arranged in parallel.Therefore, method (Malina L, Studer A.Precisely located suction assembly in compact spinningdrafting frame.DE 19625526, Rieter AG Maschf, 1998 of integrated composite spinning have appearred adopting in recent years; Norbert B.Compression device for drawn slivers, DE19846268, Schurr, Srahlecker ﹠amp; Grill, 1999; Angelo L, Herbert S.Ring spinning method and a yarn made thereby, US5651244, Rieter Machine Works, Ltd., 1997; Norbert B, Device forcondensing a drafted fiber strand, US6073314, Spindelfabrik Suessen, 2000; Norbert B.Arrangement for condensing a drafted fiber strand and method formaking yarn therefrom, US6108873, Spindelfabrik Suessen, 2000; Schwab T, Malina L.Draw frame for compact spinning preventing inter-cord fibre bridges, DE 19726694, Rieter AG Maschf, 1998) and other strengthen the method for spinning, as sirofil (Meyer UD, Varesio M, Frigerio D.Ring spinner assembly for spun claddedor core yarn.DE19804341,1999; CSIRO, Yarn Spinning, WO9514800,1995; James L, Gull JNA, Roger HOL.Improvements to the Manufacture of Yarn Spunon Closed-End, High Draft Spinning Systems, WO9401604,1994; Sun Liming, Zhu Ruibing, the Seluofle fine spining machine, Shandong Jining Ruyi Textile Co., Ltd., notification number: 2377258, Granted publication day: on May 10th, 2000; ) and solospun (Prins M, Lamb P, Finn N, Solospun, The Long Staple Weavable Singles Yarn " An Odyssey inFibres and Space " Textile Institute 81st World Conference, Melbourne, Australia, April 2001; Cheng Longdi etc., sirospun fiber strip sliver-splitting device, the applicant: Donghua University, application number: 00265488.1, open day: 2001.10.24) spinning method.Wherein assemble spinning and be divided into dust cage formula method for congregating (Norbert B.Arrangement and method forcondensing a drafted fiber strand and method for making yarn therefrom again, US6263656, Spindelfabrik Suessen, 2001; Malina L, Studer A.Preciselylocated suction assembly in compact spinning drafting frame, DE 19625526, Rieter AG Maschf, 1998) and the plough groove type method for congregating (Cheng Longdi is in studying in a school, Yu Weidong etc. frame spinning fibre yarn sliver-splitting device, patent of invention, application number: 00135183.4, the applying date: on December 26th, 2000).To assembling spinning is by airflow concentration or the form mode gathered of fiber strip when going out the front roller mouth being made that fiber strip is parallel to converge arrangement, improve the limit count of fiber and reduce filoplume, but mechanism's complexity, cost height.Sirofil then be by long filament and and strengthen and reduce filoplume with the mode of looping, the mode of looping occurs in out the front roller mouth mostly, it is to occur in draw zone position (Yamagata S that patent report is also arranged, Susami K.Helically wrapped yarn, USP3978648,1976), but the effect that filoplume reduces is not obvious.Solospun spinning then is to reduce filoplume and improve spinnability by the beam splitting of fibre bundle bar is twisted again, but in the spinning beam splitting partly be easy to lose or beam splitting irregular, finally influence sliver evenly, it is not obvious to reduce the filoplume effect simultaneously.
The present invention then converges problem by the control that is difficult to that the pre-twisting effect of machinery to fiber strip solves flat yarn, make yarn when going out front roller nip by pre-twisting effect simultaneously, had certain converge, embrace and and the twist, reduce spinning broken end and filoplume with this, thereby improve the presentation quality and the inherent quality of resultant yarn, and increase the spinnability of fiber.
Summary of the invention:
The purpose of this invention is to provide a kind of method and apparatus that can be used for fiber strand pre-twisting in the ring spinning and gather, to improve fiber strip effectively gathering before the twisting resultant yarn, reduce Yarn filoplume and reduce the spinning broken end, make the Zhi Genggao that to spin, yarn is more soft and bright and clean.
Principle of the present invention is by set up a false twister between the apron nip of drawing rollers and front roller nip, false twisting by false twister makes the fiber strip gathering and increases interfibrous armful and power with the effect of converging, thus when fiber strip goes out front roller nip, the remaining twist makes it have continuity and certain intensity preferably, after going out front roller nip, the twisting effect stack of former spinning, it is become rapidly the yarn of twisting with the fingers structure.
Technical solution of the present invention is as follows:
Between the jaw of the jaw of drawing rollers apron and front roller, one false twister is set, by rotation being passed to false twister with contacted rotation roller of front roller roller and commutation bevel gear, the fiber strip that the horn mouth of false twister, bending channel and rotary action are used the drawing rollers apron nip converges, by the bending channel arrival front roller nip of false twister.Because the rotation of false twister and the rubbing action of bending channel are twisted fiber strip in this interval, formation is twisted in advance and is gathered.Because the sth. made by twisting at false twister two ends is to difference, thus false twisting be called, but this twist can partly remain into front roller nip.Therefore, this mechanism makes fiber strip Duo pre-amount of twist and gather effect than the yarn in original when spinning, and is easier under original twisting superposition, the formation yarn.
The critical component of realizing this method is a kind of fiber strand pre-twisting aggregation device of the present invention, it is characterized in that it being the false twister 1 that is placed between front roller nip and drawing rollers apron nip by, the fixed support 3 that drive by the front roller roller, stable 2, one of driving mechanism with making false twister rotate has false twister 1 and driving mechanism 2, can be installed on the drawing-off reel cage constitutes.False twister is made of horn mouth 11, bending channel 12, hollow shaft 13 and overcoat gear 14.The engagement conversion of commutation bevel gear 23 about rotation direction can be passed through (clockwise or counterclockwise); The rotational speed regulation of false twister 1 can be by the size of contact roller 21, commutation bevel gear 23 and passive bevel gear 24, or travelling gear 25, carrier gear 26 and 27 and the size of overcoat gear adjust.Driving mechanism by contact roller 21, transmission roller slide bar 22, about commutation bevel gear 23, passive bevel gear 24, travelling gear 25, carrier gear 26 and 27, oscillating deck 28 form, and link to each other with fixed support 3 with false twister 1.Fixed support is made of support 31 and saddle seat 32, can directly be installed on the drawing-off reel cage of ring spinner.As shown in Figure 1.This false twister and each travelling gear should balance each other with the balance weight 29 that is contained in oscillating deck 28 other ends, can form steady running.
The horn mouth 11 of false twister is consistent with the center line of fiber strip, and can align automatically with moving of fiber strip; The bending channel 12 of false twister can change its crooked degree and length according to the efficient of false twisting, to guarantee the effect of pre-twisting.
The spinning process of whole fiber strip of the present invention is: fiber strip (rove)-→ twizzle-→ rear roller-→ drawing rollers-→ apron nip-→ false twister-→ front roller-→ the twisting resultant yarn.Wherein different is exactly to have increased false twister of the present invention.
Characteristics of the present invention are that pre-twisting aggregation method practicability and effectiveness, principle are clear; The pre-twisting aggregation apparatus structure is simple, but can gather effectively and pre-twisting.This equipment mechanism is reasonable, and different processing of twisting with the fingers to yarn are satisfied in twisting capable of reversing; Can change rotating speed and pre-twisting effect, improve the structure and the spinnability of yarn; Can laterally move, when adapting to carriage release lever and moving sliver to the no tension force of neutralization.
Description of drawings:
Fig. 1 pre-twisting aggregation apparatus structure schematic diagram,
Fig. 2 pre-twisting aggregation device technique position view
Fig. 3 false twister structural representation
Fig. 4 saddle seat structural representation
Wherein Fig. 1-1 is the side view and the false twister partial sectional view of pre-twisting aggregation device; Fig. 1-2 is the front view of pre-twisting aggregation device; Fig. 3-1 is a false twister structure cutaway view; Fig. 3-2 is the false twister left view; Fig. 4-1 is the saddle seat front view; Fig. 4-2 is the saddle seat left view.
Among the figure:
1-false twister 2-driving mechanism 3-fixed support 11-horn mouth 12-bending channel 13-hollow shaft 14-overcoat gear 15-tightens up the passive bevel gear 25-of Luo silk 21-contact roller 22-transmission roller slide bar 23-left and right commutation bevel gear 24-travelling gear 26,27-carrier gear 28-oscillating deck 29-balance weight 31-support 32-saddle seat
The specific embodiment:
Help to understand the present invention by the following examples, but do not limit content of the present invention.
Embodiment 1
Adopt pre-twisting aggregation device of the present invention, as shown in Figure 1.It is installed on the drawing-off reel cage of ring spinner, as shown in Figure 2.Regulate the position of false twister, make the line of false twister bell-mouthed centrally aligned drawing rollers apron nip and front roller nip or the center line of fiber strip, tighten up the fixed support that connects and composes of saddle seat and support, fiber strip is fed from the rear roller jaw, by drawing rollers and apron, the fiber strip that goes out behind the apron penetrates false twister, and reaches front roller nip.Used fiber is a high-quality long-staple cotton, textile spinning, and the spinning number is 100 public, 120 public, 150 public.Adopt end breakage rate when thousand ingots (number /) of former ring spinning to compare with the spinning of adopting apparatus of the present invention, the results are shown in following table with yarn strength (cN/tex).
End breakage rate and yarn in high cotton yarn processing of table 1 contrast by force
Yarn count (public) No pre-twisting aggregation spinning The pre-twisting aggregation spinning is arranged Variance rate
Intensity End breakage rate Intensity End breakage rate Intensity End breakage rate
100 22.5 68 23.1 23 2.67 -66.18
120 23.8 89 24.3 28 2.10 -68.54
150 21.3 145 24.2 34 13.62 -76.55
Embodiment 2
Adopt and embodiment 1 duplicate pre-twisting aggregation device, installation method is identical with the position, only is mounted on the wool spinning ring throstle.Used fiber is a pure wool fiber 80 s, used spinning process is just the same, just adds pre-twisting aggregation device of the present invention and does not add 80 public of this device spinnings and 100 public wool yarns, and the characteristic of its yarn separately is compared as follows table.Wherein use 80 sWhen the same rove of fiber is processed 100 public wool yarns, almost can't process resultant yarn, and adopt this device, almost can successfully spin, just strength ratio is propped up low slightly with 80 public affairs of method.
High wool yarn processing end breakage rate of table 2 and the contrast of resultant yarn index
Yarn count (public) No pre-twisting aggregation spinning The pre-twisting aggregation spinning is arranged Variance rate
Intensity End breakage rate Filoplume Intensity End breakage rate Filoplume Intensity End breakage rate Filoplume
80 15.8 82 4.5 16.5 33 1.4 4.43 -59.76 -68.89
100 13.2 198 6.2 15.9 40 1.5 20.45 -79.80 -75.81

Claims (8)

1. the method for a fiber strand pre-twisting aggregation, it is characterized in that after fiber strip enters the spinning, drawing district, not directly by spinning front roller nip output twisting resultant yarn, but the fiber of setting up a false twister counter extensioin between draw zone apron nip and front roller nip carries out boundling and pre-twisting, make fiber strip formation false twisting and converging in this is interval, and institute's amount of twist is not delivered to drawing rollers jaw place, to guarantee the effective drawing-off of fiber strip in draw zone;
Described draw zone is meant that front roller nip is to the drawing rollers jaw; Described false twisting is to form by friction and eccentric rotary effect; Described converging is to finish by the twisting of converging in horn mouth and the bending channel on the false twister before false twisting; Described pre-twisting is the twist that is had when pointing out front roller, does not realize by the apron gripping effect in the former drafter and the twist is not delivered to drawing rollers jaw place.
2. implement the device of the described a kind of fiber strand pre-twisting aggregation of claim 1, it is characterized in that having the false twister that converges mouthful and constituting by front roller roller driving mechanism that drive, that be installed on the drawing-off reel cage by one;
Described false twister is one to have bending channel and the tubaeform hollow shaft that converges mouthful and the affixed gear formation of hollow shaft therewith, and with driving mechanism in oscillating deck be connected with overcoat gear; Described driving mechanism is by contact roller, fixed support, is loaded on the transmission roller slide bar on the fixed support, a pair of commutation bevel gear and the oscillating deck that is installed on the transmission roller slide bar, and passive bevel gear, travelling gear, carrier gear and the overcoat gear of transmission constitute successively mutually.
3. according to the device of the described fiber strand pre-twisting aggregation of claim 2, it is characterized in that a pair of commutation bevel gear is installed on the transmission roller slide bar symmetrically, transmission roller slide bar kink is through in the support bracket fastened circular hole, promotes transmission roller slide bar and can make commutation bevel gear and the engagement of passive bevel gear.
4. according to the device of the described fiber strand pre-twisting aggregation of claim 2, it is characterized in that the twister by the rotating drive of front roller roller, is by friction roller transmission bevel gear, travelling gear and carrier gear, is transferred to false twister at last; The rotating speed of the size adjustment false twister by friction roller and carrier gear.
5. according to the device of the described fiber strand pre-twisting aggregation of claim 2, it is characterized in that described oscillating deck, its oscillation center is consistent with the coaxial line of passive bevel gear and master gear, and oscillating deck and be loaded on carrier gear on the swing span and swing sub-assembly that false twister constitutes, its barycenter is also on the swinging axle center line.
6. according to the device of the described fiber strand pre-twisting aggregation of claim 2, it is characterized in that described oscillating deck one end connects a balance weight.
7. according to the device of the described fiber strand pre-twisting aggregation of claim 2, it is characterized in that described fixed support is to be installed on the saddle seat, and be installed on the roller reel cage on the ring spinner by saddle seat.
8. the purposes according to the device of the described fiber strand pre-twisting aggregation of claim 2 is characterized in that being used for the ring spinning of various fibers.
CNB2004100666517A 2004-09-24 2004-09-24 Fiber strand pre-twisting aggregation method and device Expired - Fee Related CN1329571C (en)

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CN102808243B (en) * 2012-07-27 2015-02-04 山东如意科技集团有限公司 False twisting device of combing machine
CN102839453B (en) * 2012-08-22 2017-04-05 陈子瑜 The device of Single-spindle drive wheel disc false-twist spinning
CN103215703B (en) * 2013-04-09 2016-03-30 东华大学 A kind of Efficient Ring ingot spinning apparatus and method
CN103215701B (en) * 2013-04-18 2015-07-22 武汉纺织大学 Method for improving yarn structure of eddy composite spinning
CN108425164A (en) * 2018-05-22 2018-08-21 柳州市卓洋纺织有限公司 A kind of fibrous polymer stick
CN111455517A (en) * 2019-01-22 2020-07-28 唐继翔 Carding fiber twisting and collecting spinning method and spinning equipment, and fancy yarn
CN110144646A (en) * 2019-05-30 2019-08-20 嘉兴学院 A kind of drawing device that the polymerizing power of preventing air contamination is strong
CN111172635B (en) * 2020-01-09 2021-04-02 嘉兴学院 Transmission method and device of false twist compact spinning device and spinning frame

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185825A (en) * 1984-03-06 1985-09-21 Unitika Ltd Method for wet spinning of hemp fiber
DE3724045A1 (en) * 1986-09-05 1988-03-17 Fritz Stahlecker Apparatus for the spinning of staple-fibre yarn
CN1034748C (en) * 1993-06-07 1997-04-30 青岛胶南纺织机械厂 Spinning and carding machine for rabbit hair
US6108873A (en) * 1998-03-31 2000-08-29 Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh Arrangement for condensing a drafted fiber strand and method for making yarn therefrom
CN1420219A (en) * 2001-11-16 2003-05-28 里特机械公司 Device for drawing and collecting ribbon

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60185825A (en) * 1984-03-06 1985-09-21 Unitika Ltd Method for wet spinning of hemp fiber
DE3724045A1 (en) * 1986-09-05 1988-03-17 Fritz Stahlecker Apparatus for the spinning of staple-fibre yarn
CN1034748C (en) * 1993-06-07 1997-04-30 青岛胶南纺织机械厂 Spinning and carding machine for rabbit hair
US6108873A (en) * 1998-03-31 2000-08-29 Spindelfabrik Suessen, Schurr, Stahlecker & Grill Gmbh Arrangement for condensing a drafted fiber strand and method for making yarn therefrom
CN1420219A (en) * 2001-11-16 2003-05-28 里特机械公司 Device for drawing and collecting ribbon

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