WO2006074582A1 - Procede de traitement de fils a simple boucle et appareil associe - Google Patents

Procede de traitement de fils a simple boucle et appareil associe Download PDF

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Publication number
WO2006074582A1
WO2006074582A1 PCT/CN2005/000438 CN2005000438W WO2006074582A1 WO 2006074582 A1 WO2006074582 A1 WO 2006074582A1 CN 2005000438 W CN2005000438 W CN 2005000438W WO 2006074582 A1 WO2006074582 A1 WO 2006074582A1
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WO
WIPO (PCT)
Prior art keywords
yarn
ring
false
strand
false twist
Prior art date
Application number
PCT/CN2005/000438
Other languages
English (en)
Chinese (zh)
Inventor
Xiaoming Tao
Bingang Xu
Sing-Kee Wong
Original Assignee
The Hong Kong Polytechnic University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by The Hong Kong Polytechnic University filed Critical The Hong Kong Polytechnic University
Publication of WO2006074582A1 publication Critical patent/WO2006074582A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H7/00—Spinning or twisting arrangements
    • D01H7/02—Spinning or twisting arrangements for imparting permanent twist
    • D01H7/90—Arrangements with two or more spinning or twisting devices of different types in combination

Definitions

  • the invention belongs to the field of fiber yarn processing methods and equipment, and further relates to a method for processing a single-strand ring yarn, so that the internal torque of the yarn reaches a balance. Background technique
  • Twisting is an important part of short fiber spinning.
  • the yarn will generate a large amount of residual torque, which in turn will have a great influence on the quality of the subsequent products.
  • the stitch of the fabric will rotate and release the internal torsional stress due to the change in the internal torsional stress of the yarn, with the result that one end of the yarn is lifted and protrudes from the surface of the fabric while the other end is retained inside the fabric.
  • This deformation of the coil will increase the degree of warp of the fabric; and create a deformation similar to the rib effect that is highly desirable.
  • the permanent method primarily converts the elastic torsional deformation of the yarn into plastic deformation, thereby releasing residual torque. It mainly involves heat treatment of materials, chemical treatment and humidification. However, for natural fibers, permanent methods can cause damage and damage to the fibers.
  • the physical method is a purely mechanical technique that takes full advantage of the internal structure of the yarn, allowing the residual torque generated by the different fibers to balance each other, but still retains the characteristics of elastic deformation.
  • the object of the present invention is to provide a new method and apparatus for industrial production, and to apply it to the ring spinning process, in view of the deficiencies of the above-mentioned single-strand torqueless ring yarn processing method and equipment.
  • the present invention provides a method for processing a low-torsion single-strand ring yarn for industrial production of the low-twist ring yarn, wherein the method comprises the following steps: providing a false twist device, disposed in Between a pair of front rollers and a guide groove of the ring spinning machine; feeding the original yarn to the false twisting device, the yarn is twisted and twisted by the false twisting device;
  • the yarn outputted from the false twisting device is reversely twisted in a direction opposite to the twisting direction of the false twisting device by the rotation of the ring yarn of the ring spinning machine and the false twisting device to form a single strand Yarn PT/CN2005/000438
  • the single yarn passes through the guide groove, through the traveler, and is finally wound on the ring bobbin.
  • the plurality of sub-fiber bundles are first initially polymerized into a single yarn under the action of the false twist device, and then enter the false twist device.
  • the basic principle of the method of the invention is: processing a single-strand yarn with a controllable beam splitting fiber structure, and processing a low-torsion single-strand ring with excellent performance by adjusting the arrangement structure and stress distribution state of the fiber bundle inside the yarn Yarn.
  • the yarn has a low twist, a low hairiness, a uniform strip and a good hand feel, especially with a controlled residual torque, including no residual torque.
  • a production apparatus for a low-torsion single-strand ring yarn comprising a ring spinning machine, and further comprising: a false twist device, a pair disposed on the ring spinning machine Between the front roller and the guide groove, the false twist device is used for controlling and adjusting the arrangement and stress distribution state of the inner fiber bundle of the single yarn, so that the processed single yarn has a controllable residual torque, including none. Residual torque state; a drive device for driving the false twist device such that the false twist device maintains a determined ratio of torsional speed to the spindle of the ring machine.
  • the production apparatus of the low-twisted single-strand ring yarn as described above further comprising a fiber splitting mechanism disposed upstream of the false twisting device, the fiber splitting mechanism for decomposing the original yarn without flaws into A plurality of bundles of sub-fiber bundles, which are initially polymerized into a single strand of yarn under the twisting action of the false twist device, and then enter the false twist device.
  • the driving device is a transmission 8 mechanism, fixed on the ring machine frame, used to transmit the rotary power of the spindle to the false twist device in real-time according to a specific sequence of actions.
  • the transmission mechanism comprises: a frame fixed to the base of the yarn machine by a base; a transmission shaft supported by the bearing On the frame; a first drive wheel fixed to the drive shaft, the first drive wheel being coupled to the spindle by a belt, such that the rotary motion of the spindle passes through the first drive wheel Passing to the drive shaft; a second drive wheel fixed to the drive shaft, the second drive wheel being coupled to the false twist device via a belt for transmitting power of the drive shaft to the false twist device .
  • the transmission mechanism further comprises a magnetic powder or a hysteresis clutch disposed between the first transmission wheel and the transmission shaft, or the second transmission wheel
  • the transmission ratio between the spindle of the yarn machine and the transmission shaft or between the transmission shaft and the false twisting device is controlled in real time, thereby realizing a certain transfer action between the spindle and the false twisting device.
  • the false twist device comprises a base and three rotatable spindles mounted on the base, each of which has a plurality of spindles Friction disc, the three spindles are connected by a belt and synchronously rotated by the driving device; the single yarn enters the false twist device through the positioning hook, and sequentially contacts the outer arc surface of all the friction discs from top to bottom. And relying on the spinning tension to knead and twist under the relative rotation of the friction disc.
  • Figure 1 is a schematic view of a spinning mechanism of the present invention
  • Figure 2 is a schematic view of a transmission mechanism in the present invention
  • FIGS. 3A and 3B are schematic diagrams showing a specific transmission sequence of a transmission mechanism or a servo motor; wherein, FIG. 3A is a schematic diagram of a fixed operation, and FIG. 3B is a schematic diagram of a specific operation sequence;
  • Figure 4 is a schematic illustration of a mechanical false twist device. Detailed ways
  • Figure 1 shows a schematic view of a ring spinning machine of the present invention.
  • the drawn raw yarn sliver 11 is passed through a pair of front rollers 1 and 2 of a ring spinning machine, and then dispersed into a fiber bundle 12, and then enters an optional fiber splitting mechanism 3.
  • the fiber bundle 12 falls into different grooves of the fiber splitting mechanism 3, is decomposed into a plurality of sub-fiber bundles, and then is initially polymerized into a single yarn 13 under the twisting action of the false twist device 4;
  • the wire 13 enters the false twist device 4, is further twisted and twisted, and then reversely twisted under the action of the rotation of the ring yarn ring 16 and the false twist device 4, finally forming a single yarn 14;
  • the single strand of yarn 14 passes through the yarn guide groove 15, passes through the traveler 16 and is finally wound on the rotating ring bobbin 7.
  • the ring spinning machine of the present invention is provided with a false armor on the basis of the existing ring spinning machine.
  • 4 is formed by the driving device of the false twist device.
  • the drive of the false twist device 4 is a transmission mechanism 5 that transmits the power of the spindle spindle 17 to the false twist device 4.
  • the drive device can also be a servo motor that is directly driven by the servo motor. '
  • the transmission mechanism 5 fixed to the yarn machine bed 10 is connected to the yarn spindle 17 and the false twist device 4 via the belts 9 and 8, and the yarn spindle 17 is The rotational power is transmitted to the false twist device 4.
  • a magnetic powder or hysteresis clutch 6 is optionally provided on the transmission mechanism 5 for controlling the transmission ratio of the rotary power, thereby realizing a specific transfer action between the spindle 17 and the false twist device 4.
  • Fig. 2 shows the specific structure of the transmission mechanism 5.
  • the transmission mechanism 5 includes a tapered drive shaft 18, a bearing 19, a frame 20, a first drive wheel 21, a second drive wheel 22, a base 23 and an optional magnetic powder or hysteresis clutch 6.
  • the tapered drive shaft 18 is supported on a frame 20 having a certain span, and the frame 20 is fixedly coupled to the base 23 and fixed to the frame 10 by the base 23.
  • the magnetic powder or hysteresis clutch 6 is an optional device, and if the magnetic powder or hysteresis clutch 6 is not mounted, the first and second drive wheels 21, 22 are respectively consolidated with the tapered drive shaft 18.
  • the tapered drive shaft 18 is rotated by the first drive sheave 21 connected to the belt of the spindle 17 and transmits power to the false twist device 4 through the second drive sheave 22.
  • the magnetic powder or hysteresis clutch 6 may be optionally selected when the gear ratio needs to be dynamically adjusted.
  • the optional magnetic powder or hysteresis clutch 6 is fixed to the frame 20 and mounted between the first transmission wheel 21 and the transmission shaft 18; the magnetic powder or hysteresis clutch 6 receives the power controller by the wire 24 (not The voltage or current control signal is shown to control the transmission ratio between the spindle 17 and the drive shaft 18 in real time, thereby effecting a specific transfer action between the spindle 17 and the false twist device 4.
  • the magnetic powder or hysteresis clutch 6 can also be installed between the second transmission wheel 22 and the transmission shaft 18 for real-time control of the transmission ratio between the transmission shaft 18 and the false twist device 4, as well as the yarn. A specific transfer action between the spindle 17 and the false twist device 4.
  • Magnetic powder and hysteresis clutches are a more "flexible” device than conventional clutches.
  • it can also change the amount of torque transmission by adjusting the current or voltage. In other words, it can control and adjust the "slip" amount of the clutch itself.
  • the torque transmitted by the clutch is substantially linear with the input current.
  • the magnetic powder clutch as an example, it consists of three major components: the input component, the output component, and the excitation coil.
  • the input member is affixed to the first drive wheel 21, the output member is affixed to the drive shaft 18, and the field coil is fixed to the frame 20; there is a seal between the input and output members of the clutch In the gap, some extremely fine magnetic powder is placed inside.
  • the first drive wheel 21 rotates synchronously with the input member under the belt of the spindle 17 of the yarn machine, the following three cases are as follows: (1) When the excitation coil is de-energized, the magnetic powder is freely dispersed in the gap.
  • the greater the torque, the transmission ratio The greater the value; when the torque transmitted by the magnetic powder chain is greater than the load torque, the input and output components of the clutch are no longer slipped, and the drive shaft 18 is driven according to a pre-designed fixed gear ratio; and vice versa.
  • the hysteresis clutch works like the magnetic powder clutch described above, but the input and output components of the hysteresis clutch are all a special magnetic material and there is no solid medium in the gap between the two. Unlike the "magnetic powder chain” effect of the magnetic powder clutch, the hysteresis clutch completely regulates the torque transfer between the input and output components through the "hysteresis” effect of the magnetic field and the magnetic material.
  • Fig. 3B 30 is the torsional speed of the modified single-strand yarn 13 under the action of the twisting device 4.
  • the torsional speed 25 and the torsional speed 26 in Fig. 3A are also drawn in dashed lines.
  • the torsional speed of the single-strand yarn 14 alone under the twisting action of the ring-spinning machine bead 16 is still as shown by curve 26.
  • 31 is the transition period of the improved ring-spinning machine, which can also be regarded as the transition period of the broken-end wiring
  • 34 is the improved ring-spinning machine parking transition During the period, 29 is the stable spinning period.
  • the transition period 31 again has two phases: a hold phase 32 and a rise phase 33.
  • the torsional speed 30 is the same as the torsional speed 26, and in the ascending phase 33, the torsional speed 30 is gradually increased to a stable level of the torsional speed 25 in Fig. 3A.
  • the transition period 34 also includes two phases: a descending phase 35 and a retaining phase 36. In the lowering phase 35, the torsional speed 30 decreases rapidly until it is the same as the torsional speed 26, and then in the holding phase 36, the torsional speed 30 and the torsional speed 26 are maintained the same until the rotation is completely stopped.
  • Figure 4 shows the structure of a mechanical false twist device.
  • On the base 42 of the mechanical false twist device 4 three spindles 37, 38 and 39 with bearings are mounted, and each spindle is provided with two to three friction discs 40 having a large friction coefficient.
  • the spindles 37, 38 and 39 are connected by a belt 43 and are rotated synchronously by the drive mechanism 5 or the servo motor.
  • the false twist device 4 is mounted between a pair of front rollers 1, 2 and a guide groove 15 of the ring spinning machine; the single yarn 13 enters the false twist device 4 via the positioning hook 41, from top to bottom with all the friction plates
  • the outer arc surface is in rolling contact and relies on the spinning tension to twist and twist under the relative rotation of the friction disc.
  • the invention processes a low-torsion single-strand ring yarn having excellent properties by adjusting the arrangement structure and stress distribution state of the fiber bundles inside the yarn.
  • the yarn has low twist, less hairiness, uniform sliver, good hand feel, especially with controlled residual torque, including no residual torque.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un procédé de traitement de fils et un appareil associé qui peut être utilisé industriellement pour traiter des monofils. L'invention concerne un retordoir, entre une paire de rouleaux avant et le guide, sous forme de fileuse à boucle conventionnelle afin de commander et de régler la disposition des faisceaux de fibre dans le monofil et la distribution de la contrainte de manière à traiter des monofils ayant un couple de torsion résiduel contrôlé, y compris les fils sans couple de torsion. L'invention concerne en outre des moyens de commande couplés au retordoir afin de commander celui-ci à une vitesse donnée. Selon le procédé et l'appareil de cette invention, les fils à monoboucle de faible couple de torsion résiduel peuvent être obtenus à faible torsion, moindre ébouriffage, mèche uniforme, être agréable au toucher et présenter une condition de couple de torsion résiduel contrôlé, y compris une condition sans couple de torsion.
PCT/CN2005/000438 2005-01-14 2005-04-01 Procede de traitement de fils a simple boucle et appareil associe WO2006074582A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200510004306.5 2005-01-14
CN 200510004306 CN1804170B (zh) 2005-01-14 2005-01-14 低扭单股环锭纱线的加工方法与设备

Publications (1)

Publication Number Publication Date
WO2006074582A1 true WO2006074582A1 (fr) 2006-07-20

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ID=36677346

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Application Number Title Priority Date Filing Date
PCT/CN2005/000438 WO2006074582A1 (fr) 2005-01-14 2005-04-01 Procede de traitement de fils a simple boucle et appareil associe

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CN (1) CN1804170B (fr)
WO (1) WO2006074582A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296388A (zh) * 2010-06-26 2011-12-28 宁波德昌精密纺织机械有限公司 生产低扭纱线的纺纱装置
CN102296391A (zh) * 2010-06-25 2011-12-28 宁波德昌精密纺织机械有限公司 一种生产低扭纱线的纺纱机
DE102013108094A1 (de) * 2013-07-29 2015-01-29 Maschinenfabrik Rieter Ag Spinnmaschine und Falschdralleinrichtung
DE102013108095A1 (de) * 2013-07-29 2015-01-29 Maschinenfabrik Rieter Ag Spinnmaschine und Falschdralleinrichtung
CN105839238A (zh) * 2015-01-16 2016-08-10 上海水星家用纺织品股份有限公司 一种低扭矩纺纱工艺
CN107988666A (zh) * 2018-01-09 2018-05-04 李炳烘 一种单锭机械旋转式环锭纺假捻装置及细纱机

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7841161B2 (en) * 2007-07-02 2010-11-30 The Hong Kong Polytechnic University Method of industrially producing yarn at a lower twist multiplier for textile products
DE102009059052A1 (de) * 2009-12-15 2011-06-16 Wilhelm Stahlecker Gmbh Ringspinnvorrichtung mit Falschdralleinrichtung
CN101892533B (zh) * 2010-07-27 2012-07-04 上海市毛麻纺织科学技术研究所 高强力低张力纺纱装置
CN101967707B (zh) * 2010-10-15 2012-05-23 朱爱萍 低扭矩集聚纱线的生产方法及其装置
CN101967706B (zh) * 2010-10-15 2012-05-23 朱爱萍 低扭矩纱线的生产方法及其装置
CN103088484A (zh) * 2011-10-31 2013-05-08 上海市毛麻纺织科学技术研究所 环锭细纱机的组合式摩擦假捻器装置
CN103060961A (zh) * 2013-02-21 2013-04-24 上海春竹企业发展有限公司 用于环锭细纱机的摩擦假捻器的传动装置
CN103290565A (zh) * 2013-05-31 2013-09-11 南通金驰机电有限公司 一种假捻低扭矩纺纱技术与装置
CN103306037B (zh) * 2013-06-09 2015-01-07 诸暨市振兴机器制造有限公司 一种恒涨力输纱装置
CN103397419B (zh) * 2013-08-12 2014-12-10 南通双弘纺织有限公司 一种低捻高强纱及其纺纱工艺
CN109594165B (zh) * 2019-01-29 2023-09-12 常州市郑陆特种纺机专件有限公司 牵伸型凸轮旋转式无捻纱锭子
JP7319089B2 (ja) * 2019-05-27 2023-08-01 Ｔｍｔマシナリー株式会社 仮撚加工機
CN113481634B (zh) * 2021-06-23 2022-07-08 无锡长江精密纺织有限公司 一种牵伸自加捻装置及其环锭纺细纱机
CN113638084B (zh) * 2021-10-15 2021-12-10 南通凌通纺织机械制造有限公司 一种包芯纱的生产装置

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US4384448A (en) * 1980-11-03 1983-05-24 Monsanto Company Ring spinning frame
US4574579A (en) * 1983-02-07 1986-03-11 Chao Sing N One process twist and ply twist yarn spinning
US5848524A (en) * 1992-07-14 1998-12-15 Lappage; James Manufacture of yarn spun on closed-end, high draft spinning systems
CN1453401A (zh) * 2002-04-24 2003-11-05 香港理工大学 单股无扭矩环锭纱线的加工方法与设备

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GB1085240A (en) * 1963-11-19 1967-09-27 Ici Ltd Improvements in or relating to the drawing and bulking of synthetic polymer yarns
GB1115616A (en) * 1964-09-28 1968-05-29 Monsanto Co Method and apparatus for producing accurately balanced-torque stretch yarns
US3879928A (en) * 1973-11-01 1975-04-29 Perfect Thread Company Inc Process for the manufacture of yarn and the resulting product
EP0532458B1 (fr) * 1991-09-12 1996-09-25 Heberlein Maschinenfabrik AG Injecteur et procédé pour diminuer ou supprimer la force vive de torsion d'un fil texturé
DE59603042D1 (de) * 1995-05-23 1999-10-21 Barmag Barmer Maschf Falschdrallaggregat
CN1330175A (zh) * 2000-06-17 2002-01-09 香港理工大学 无扭力单纱

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384448A (en) * 1980-11-03 1983-05-24 Monsanto Company Ring spinning frame
US4574579A (en) * 1983-02-07 1986-03-11 Chao Sing N One process twist and ply twist yarn spinning
US5848524A (en) * 1992-07-14 1998-12-15 Lappage; James Manufacture of yarn spun on closed-end, high draft spinning systems
CN1453401A (zh) * 2002-04-24 2003-11-05 香港理工大学 单股无扭矩环锭纱线的加工方法与设备

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296391A (zh) * 2010-06-25 2011-12-28 宁波德昌精密纺织机械有限公司 一种生产低扭纱线的纺纱机
CN102296388A (zh) * 2010-06-26 2011-12-28 宁波德昌精密纺织机械有限公司 生产低扭纱线的纺纱装置
DE102013108094A1 (de) * 2013-07-29 2015-01-29 Maschinenfabrik Rieter Ag Spinnmaschine und Falschdralleinrichtung
DE102013108095A1 (de) * 2013-07-29 2015-01-29 Maschinenfabrik Rieter Ag Spinnmaschine und Falschdralleinrichtung
CN105839238A (zh) * 2015-01-16 2016-08-10 上海水星家用纺织品股份有限公司 一种低扭矩纺纱工艺
CN107988666A (zh) * 2018-01-09 2018-05-04 李炳烘 一种单锭机械旋转式环锭纺假捻装置及细纱机

Also Published As

Publication number Publication date
CN1804170B (zh) 2011-04-06
CN1804170A (zh) 2006-07-19

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