EP3178975B1 - Verfahren und vorrichtung zur herstellung von elastischem coregarn mit einer ringspinnmaschine - Google Patents

Verfahren und vorrichtung zur herstellung von elastischem coregarn mit einer ringspinnmaschine Download PDF

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Publication number
EP3178975B1
EP3178975B1 EP16194507.6A EP16194507A EP3178975B1 EP 3178975 B1 EP3178975 B1 EP 3178975B1 EP 16194507 A EP16194507 A EP 16194507A EP 3178975 B1 EP3178975 B1 EP 3178975B1
Authority
EP
European Patent Office
Prior art keywords
roller pair
circumferential speed
speed ratio
output roller
delivery roller
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP16194507.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3178975A1 (de
Inventor
Hans-Jürgen KÜSTER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP3178975A1 publication Critical patent/EP3178975A1/de
Application granted granted Critical
Publication of EP3178975B1 publication Critical patent/EP3178975B1/de
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Classifications

    • 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
    • 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
    • D01H1/28—Driving or stopping arrangements for two or more machine elements possessing different characteristics but in operative association
    • D01H1/30—Driving or stopping arrangements for two or more machine elements possessing different characteristics but in operative association with two or more speeds; with variable-speed arrangements
    • 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
    • D01H13/10—Tension devices
    • D01H13/108—Regulating tension by regulating speed of driving mechanisms of unwinding, paying-out, forwarding, winding or depositing devices, e.g. automatically in response to variations in tension
    • 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
    • D01H5/32—Regulating or varying draft
    • 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
    • D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
    • D02G3/324—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic using a drawing frame
    • 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
    • D02G3/36—Cored or coated yarns or threads

Definitions

  • the invention relates to a method and device for producing elastic core yarn according to the preamble of the independent claims.
  • a continuous thread is spun around with staple fibers.
  • properties of a certain continuous thread can be transferred to a finished yarn and combined with the properties of the staple fibers used.
  • the continuous thread serves as the core of the finished yarn.
  • a sheath of staple fibers is then created around this core in the spinning process.
  • an elastic continuous thread for example elastane, is used as the core, which is spun with cotton fibers.
  • a fiber sliver or a fiber structure is fed to a drafting system of a ring spinning machine.
  • the drafting system which consists of several pairs of rollers
  • the fiber structure is drawn by the different speeds of the pairs of rollers.
  • This warped fiber structure leaves the drafting system through a pair of output rollers.
  • an elastic continuous thread is fed to the fiber structure.
  • the continuous thread is unwound from a bobbin and transported to the fiber structure via a pair of delivery rollers.
  • the peripheral speed of the pair of delivery rollers is matched to the peripheral speed of the pair of output rollers in such a way that the continuous thread is stretched between the pair of delivery rollers and the pair of output rollers.
  • the fiber structure with the stretched continuous thread is transformed into an elastic yarn.
  • US3243950 discloses a method for making an elastic core yarn.
  • the automatic device for changing the bobbin cuts the yarn by pulling the bobbin off the spindle and pulling the yarn over a knife edge.
  • the yarn is drawn in length and is not reliably separated by the knife. This regularly leads to malfunctions in the automatic operation of the ring spinning machine, whereby it should be taken into account that a package change takes place at up to 2,000 spinning positions at the same time.
  • the invention is therefore based on the object of providing a method and a device for this purpose, which enable a trouble-free separation of the spun elastic yarn when changing bobbins.
  • the peripheral speed of the pair of delivery rollers determines the speed at which the elastic filament is unwound from the spool.
  • the peripheral speed of the pair of output rollers of the drafting device determines the speed at which the fiber structure is passed on to the spinning device together with the elastic continuous thread.
  • the ratio between these two speeds is matched to the material of the continuous thread used during operation.
  • the peripheral speed is of the pair of outlet rollers is higher than the peripheral speed of the pair of delivery rollers and thus the ratio mentioned is significantly greater than 1.
  • the size of the ratio determines the elongation of the continuous thread with which it leaves the pair of outlet rollers.
  • the continuous thread is passed on to the spinning device with less elongation.
  • the finished core yarn is also less elastic, since the fibers spun around the continuous yarn themselves do not allow any elongation.
  • the core yarn can only be stretched until the state is reached again in which the fiber structure with the continuous thread has passed through the spinning device. This results in better separating behavior when the core yarn is drawn off using a knife blade during automatic bobbin change.
  • the circumferential speed ratio between the pair of output rollers and the pair of delivery rollers is reduced to below 3, preferably to between 1 to 2.5, more preferably to between 1 to 1.5, during spinning. It is particularly advantageous if the circumferential speed ratio between the pair of output rollers and the pair of delivery rollers is reduced to one during spinning.
  • the spinning device produces a core yarn which, despite the use of an elastic continuous thread as the core, corresponds in its properties to a yarn which would be produced without an elastic continuous thread.
  • the same technical equipment can be used for the separation of the spun thread during an automatic bobbin change as with a staple fiber yarn which was produced without feeding an elastic core. Since the staple fibers transformed into a yarn have a very limited elasticity, the yarn breaks even with the slightest stretch. An elastic core has no influence on this behavior if it is not wound in a stretched state.
  • a device for producing an elastic core yarn with a drafting device for drawing a fiber structure, the drafting device having a pair of output rollers and a pair of delivery rollers for feeding an elastic one Endless thread is provided to the output roller pair.
  • a ring spinning device is provided for integrating the elastic continuous thread into the fiber structure, with a rotational speed ratio between the pair of output rollers and the pair of delivery rollers being reduced during spinning.
  • the circumferential speed ratio between the pair of output rollers and the pair of delivery rollers is reduced to below 3, preferably to between 1 to 2.5, more preferably to between 1 to 1.5, during spinning. It is particularly advantageous if the circumferential speed ratio between the output roller pair and the delivery roller pair is reduced to one during spinning.
  • the two peripheral speeds are advantageously provided with an electronic or mechanical coupling.
  • a control is provided which makes it possible to adapt the circumferential speed of the delivery roller pair to a circumferential speed of the output roller pair that changes during spinning.
  • the drives of the delivery roller pair and the output roller pair are mechanically connected and a switchover can take place in this connection during spinning in order to reduce the circumferential speed ratio.
  • a spinning station of a ring spinning machine comprises a drafting device 1 with an output roller pair 3.
  • the drafting device 1 is exemplarily with an input roller pair 13 and a middle roller pair 14 each wrapped with a strap 15 Drafting system 1 warped.
  • the Fiber structure 2 is supplied with an elastic continuous thread 8. The supply takes place via a delivery roller pair 9, which unwinds the continuous thread 8 from a supply spool 10.
  • the fiber structure 2 and the continuous thread 8 are guided to a traveler 5 via a thread guide 4.
  • the rotor 4 rotates on a ring 6 around a rotating bobbin 7.
  • the fiber structure 2 together with the continuous thread 8 is converted into a finished core yarn and is simultaneously wound onto the bobbin 7.
  • the ring 6 is attached to a ring rail 11, which moves back and forth or up and down along the bobbin axis 12, which results in an even winding of the core yarn on the bobbin 7.
  • the circumferential speed of the pair of delivery rollers 9 is related to the circumferential speed of the pair of output rollers 3, which is determined by the material of the continuous thread 8 used during operation.
  • the circumferential speed ratio between the pair of output rollers 3 and the pair of delivery rollers 9 is reduced to below 3, preferably to between 1 to 2.5, more preferably to between 1 to 1.5, during spinning. It is particularly advantageous if the circumferential speed ratio between the pair of output rollers and the pair of delivery rollers is reduced to one during spinning.
  • the spinning device produces a core yarn which, despite the use of an elastic continuous thread as the core, corresponds in its properties to a yarn which would be produced without an elastic continuous thread.
  • the same technical device can be used for the separation of the spun thread during an automatic bobbin change as in the case of a staple fiber yarn which was produced without feeding an elastic core. Since the staple fibers transformed into a yarn have a very limited elasticity, the yarn breaks even with the slightest stretch. An elastic core has no influence on this behavior if it is not wound in a stretched state.
  • the two peripheral speeds are provided with a coupling 16. This can be done electronically or mechanically.
  • a control is provided which makes it possible to adjust the circumferential speed of the delivery roller pair to a circumferential speed which changes during spinning of the pair of output rollers.
  • the drives of the delivery roller pair and the output roller pair are connected and a changeover can take place in this connection during spinning in order to reduce the circumferential speed ratio.
EP16194507.6A 2015-11-11 2016-10-19 Verfahren und vorrichtung zur herstellung von elastischem coregarn mit einer ringspinnmaschine Active EP3178975B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01636/15A CH711736A1 (de) 2015-11-11 2015-11-11 Verfahren zur Herstellung von elastischem Coregarn mit einer Ringspinnmaschine.

Publications (2)

Publication Number Publication Date
EP3178975A1 EP3178975A1 (de) 2017-06-14
EP3178975B1 true EP3178975B1 (de) 2020-09-30

Family

ID=57153376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16194507.6A Active EP3178975B1 (de) 2015-11-11 2016-10-19 Verfahren und vorrichtung zur herstellung von elastischem coregarn mit einer ringspinnmaschine

Country Status (4)

Country Link
EP (1) EP3178975B1 (zh)
CN (1) CN106958057B (zh)
CH (1) CH711736A1 (zh)
ES (1) ES2839282T3 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107587224A (zh) * 2017-09-30 2018-01-16 苏州维杰纺织有限公司 涡流复纺双层纱、制备双层纱的纺纱装置及制备工艺
CN108085818A (zh) * 2018-02-08 2018-05-29 陆正明 涡流纺纱方法及装置
CN108842234A (zh) * 2018-09-05 2018-11-20 张家港市利佳纺织有限公司 一种变频调速氨纶纱加捻装置
HK30008630A2 (zh) * 2019-10-16 2020-06-12
CN113151946A (zh) * 2021-04-14 2021-07-23 绍兴市柯桥区东纺纺织产业创新研究院 一种Sorona长丝与石墨烯短纤弹性包芯纱的制备方法
CN113403721A (zh) * 2021-07-22 2021-09-17 绍兴市柯桥区东纺纺织产业创新研究院 一种变弹性导电纱线及其制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE649233A (zh) * 1963-06-14
US3243950A (en) * 1963-11-27 1966-04-05 Monsanto Co Method of making elastic core yarns
US5749212A (en) * 1995-06-06 1998-05-12 Dixy Yarns, Inc. Elastomeric core/staple fiber wrap yarn
DE19804341A1 (de) * 1998-02-05 1999-08-12 Rieter Ag Maschf Verfahren zur Herstellung eines Umwindegarns, Spinnmaschine zur Durchführung des Verfahrens sowie entsprechend hergestelltes Garn
JP3400755B2 (ja) * 1999-09-22 2003-04-28 日清紡績株式会社 複合弾性糸からなる紐状糸とその製造方法
DE10236450A1 (de) * 2002-08-08 2004-02-19 Maschinenfabrik Rieter Ag Spinnmaschine mit einem Mehrstufen-Verdichtungs-Streckwerk
US7155891B2 (en) * 2003-09-15 2007-01-02 E. I. Du Pont De Nemours And Company Composite twist core-spun yarn and method and device for its production
DE102004005635A1 (de) 2004-02-04 2005-08-25 Maschinenfabrik Rieter Ag Verfahren zum Herstellen von Core-Garn
JP4367647B2 (ja) * 2005-05-16 2009-11-18 村田機械株式会社 コアヤーン紡績における芯糸検出方法及び装置
CN101033570A (zh) * 2006-03-10 2007-09-12 宁波雅戈尔日中纺织印染有限公司 一种全棉弹力免烫面料的生产方法
KR100811065B1 (ko) * 2007-03-15 2008-03-06 한국생산기술연구원 나일론 또는 폴리에스테르 ｄｔｙ를 이용한 고신축성 코어방적사와 이의 제조방법 및 상기 코어 방적사를 이용한편직물
US20080318485A1 (en) * 2007-06-20 2008-12-25 Chi Ping Cheng Core spun yarn and woven stretch fabric
EP2017376A1 (de) * 2007-07-16 2009-01-21 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Spinnmaschine
DK2638192T3 (en) * 2010-11-12 2016-08-22 Sanko Tekstil Isletmeleri San Ve Tic As Composite drive yarn, process and substance
CN102787411B (zh) * 2012-07-22 2014-08-13 东华大学 一种前置式左右变位超喂复合纺纱装置、工艺及应用
CN103628208B (zh) * 2013-12-02 2016-05-11 江阴市金鹏机械有限公司 三托辊积极式双芯包芯纱生产装置

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Publication number Publication date
EP3178975A1 (de) 2017-06-14
ES2839282T3 (es) 2021-07-05
CN106958057B (zh) 2021-09-24
CN106958057A (zh) 2017-07-18
CH711736A1 (de) 2017-05-15

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