EP2980284A2 - Procede de fabrication d'un fil produit par jet d'air - Google Patents

Procede de fabrication d'un fil produit par jet d'air Download PDF

Info

Publication number: EP2980284A2
Authority: EP; European Patent Office
Prior art keywords: fiber; yarn; fibers; fiber strands; air
Prior art date: 2014-07-29
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.): Granted

Application number

EP15002003.0A

Other languages

German (de)

English (en)

Other versions

EP2980284A3 (fr

EP2980284B1 (fr

Inventor

Chandru Seshayer

Thomas Weide

Roland Werner

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.)

Saurer Spinning Solutions GmbH and Co KG

Original Assignee

Saurer Germany GmbH and Co KG

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.)

2014-07-29

Filing date

2015-07-03

Publication date

2016-02-03

2015-07-03 Application filed by Saurer Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG

2016-02-03 Publication of EP2980284A2 publication Critical patent/EP2980284A2/fr

2016-03-16 Publication of EP2980284A3 publication Critical patent/EP2980284A3/fr

2018-10-31 Application granted granted Critical

2018-10-31 Publication of EP2980284B1 publication Critical patent/EP2980284B1/fr

Status Active legal-status Critical Current

2035-07-03 Anticipated expiration legal-status Critical

Images

Classifications

- 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
- D01H1/11—Spinning by false-twisting
- D01H1/115—Spinning by false-twisting using pneumatic means
- 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
- D02G3/367—Cored or coated yarns or threads using a drawing frame

Definitions

the invention relates to a method for producing a yarn in which two adjacent fiber strands are drawn by means of a drafting system, then fed together to a pneumatic twisting device and withdrawn from the twisting device as a yarn, which is then wound on a cheese.
the fiber rope emerging between the exit rollers of the drafting system passes through a nozzle block to the inlet opening of a hollow spinning spindle.
the free fiber ends are wound around the conically shaped spindle head of the spinning spindle by means of a circulating air flow and wrap themselves spirally around the so-called core fibers during the drawing of the thread into the spindle.
the Kemfasem form together with the so-called Umwindefasern a new thread, which is subtracted, monitored by a yarn cleaner, optionally cleaned and wound up.
the yarn tenacity of an air-spun yarn is achieved solely by the fiber convolutions, more precisely by the constricting effect of entangling fibers on the yarn core. For this, one fiber end must migrate into the gamekem while the other fiber end wraps around the core. Only by firmly anchoring one fiber end can the other fiber end constrict the gamet.
the majority of the fibers of an air-spun yarn are parallel in the Gamkem, only about 10 to 30% of the fibers are binder fibers.
the goal must be to control the spinning process in such a way that the fiber wrapping is as even as possible and that there are always enough hemming fibers available.
the DE 40 32 117 A1 discloses a spinning machine for pneumatic false twist spinning on which the spinning stations are designed as double spinning stations. After two adjacent fiber strands run through the drafting system and are kept separated by guide elements, such as a guide funnel, the fiber strands each arrive individually after leaving the drafting system in a false twisting device. In order to prevent the fiber strands form a thread balloon after leaving the drafting system and interfere with each other, a so-called selector is arranged as a guide element between the delivery roller pair of the drafting system and the pneumatic false twist device. This selector is driven at a speed higher than that of the feed rollers and the take-off device and also has a suction slot in the guide surface.
this spinning machine Disadvantage of this spinning machine is that a relatively high fiber output occurs, because fibers whose fiber ends are not sufficiently anchored in the core, can move away from the fiber strand axis and therefore insufficiently or not at all integrated into the resulting Gamverbund and to solidify the yarn for Use come. Furthermore, the arrangement of the two false twisting devices, the selector and the separator is relatively complicated and costly, since each spinning station must be equipped with it.
EP 1 279 756 A2 For example, a pneumatic spinning device and a spinning process are known.
Base of EP 1 279 756 A2 is that forms before the entrance of the spindle channel a supported by the air vortex, rotating fiber sun of fibers. The one end of the fibers is located in the rotating fiber sun in the spindle channel and forms part of the yarn there. Since not all fibers are detected by the gambling process, some of the fibers, especially the short fibers, get into the exhaust air stream.
the fibers contained in the exhaust air are collected, regenerated and returned to the spinning process at a defined location.
the defined location can be in the area of the fiber-optic center, in front of the drafting system or between the drafting rollers. If the fibers are returned to the fiber sun, this is done via at least one separate Faserzu Swisskanal.
a second variant provides that fibers are precipitated in advance from the fiber stream to be processed, in order then to be able to be fed to the yarn formation process in the area of the fiber core center.
a fiber strand is fed to the drafting device, which is split into at least two fiber ribbons during the drawing process. From each fiber ribbon, a correspondingly twisted yarn with Umwindefasern and both yarns are combined by means of rotation to a twine, the twine also has Umwindefasem.
a yarn that is as uniform as possible should be able to be spun by a method and a device for pneumatic false twist spinning, as represented by the DE 40 32 941 A1 are known.
the defined distance between the fiber strands to each other is achieved by the fiber strands are guided through a guide funnel.
a so-called rotor is arranged between the pair of delivery rollers and the false twist device, which is driven at a higher speed than the delivery roller pair and the discharge device and also has a suction slot. Still on the lateral surface of the rotor, the two fiber strands converge and the splayed by the fiber strands Randfasem be sucked by two rows of perforations of the rotor and taken ahead of the fiber strand association leading. In contrast, the fiber core bandage slides on the lateral surface of the rotor at a lower speed. The two fiber strands rotate due to the false twist given to them about their own axis and run together in the inlet opening of the false twisting device and the Randfasem both fiber strands connect with each other and wrap around the fiber structure.
a disadvantage of this method is a high fiber outflow, in particular of shorter fibers.
By the rotor of the fiber outlet is sometimes even forced, because fibers whose one fiber end does not extend far enough respectively deep into the fiber strand, thereby dissolve completely out of the fiber strand.
such a false twist spinning device is designed to be structurally complex, because a guide funnel must ensure that the fiber strands run into the drafting device at the necessary distance and the rotor ensures that the edge fibers are advanced relative to the fiber core dressing. These machine elements must be present at every workstation.
Object of the present invention is therefore to propose a method by which an improved air-spun yarn can be produced without a consuming and costly redesign of the air spinning machine is necessary. Furthermore, by means of the method according to the invention, the proportion of Umwindefasem, which are responsible in the Gamverbund for the yarn strength, can be influenced.
a Luftechtdrahtspinnorgan is used with a twist stop device as twist element and that the two supplied fiber strands differ from each other in at least one property, wherein a first fiber strand is fed closer to the longitudinal axis of the twist element than a second fiber strand ,
an air-spun yarn can now be spun from two fiber strands which differ. It is controllable by the arrangement of the two fiber strands at the inlet into the twist element, whether the fibers are to be found later rather than core or as Umwindefasem in the yarn.
the invention includes the special case that the fiber strand, which enters closer to the longitudinal axis of the swirl member, is located on the longitudinal axis of the swirl member.
the advantages achieved by the invention are in particular that due to this method different fiber strands to an air-spun yarn can be processed and that the resulting Gam MUST can be influenced to the extent that the fibers of the respective fiber strand rather than core or Umwindefasem used.
An advantage of the method is also that no costly conversion of the air-jet spinning machine is required to implement the method and thus no exorbitant additional costs.
the property in which the two fiber strands differ from each other the average staple length of the fiber strand.
the fiber strand having the longer average staple length should be located less centrally at the inlet into the swirl member and then protects the shorter fibers of the oriented closer to the longitudinal axis of the swirl member fiber strand before the air flow.
shorter fibers can also be used economically in the method according to the invention since the arrangement of the fibers or of the fiber strand can influence where these fibers will be in the air-spun yarn.
the property in which the two fiber strands differ from each other is the fiber furnish of the fiber strand.
one fiber strand is made of polyester fibers and the other fiber strand is made of viscose fibers.
the arrangement of the fiber strands can be selectively influenced which fibers are increasingly recovered as Umwindemaschinen.
the fiber strand with the polyester fibers should be less close to the longitudinal axis of the twist element than the fiber strand with the viscose fibers.
the properties of the central incoming fiber strand come into play in the yarn core; the good moisture absorption and the soft feel of the viscose fibers.
the properties of the polyester are superficial, such as high durability.
the two fiber strands may diverge in further properties or in another property.
This variant has the advantage that the conveyor belts can be processed directly from the draft passage coming. In this way, the intermediate step of making a Flyerlunte or a so-called roving from the conveyor belts, not necessary. This not only saves time but also saves a great deal of money, as not only does the production of the flyer fly be eliminated, but the machine itself is not needed to produce the Flyeriunte.
the respective fiber strand to a homogeneous fiber mixture.
fiber strands can be used in which each fiber strand contains a homogeneous fiber mixture per se. This means, for example, that fiber strands are used which have either a shorter or a longer average staple length. Although the fiber strands used differ from each other, each fiber strand is uniform in itself. Depending on which fiber strand is arranged more centrally or decentralized during the feeding into the air spinning process, the fibers will be found more in the yarn core or as Umwindefasem the yarn.
FIG. 1 schematically shows a front view of an air-spinning machine 1.
These textile machines have a plurality of in series juxtaposed work or spinning units 2, which are positioned between end so-called end racks 15, 16.
each of the jobs 2 with a template material for example, a stored in a sliver can 3 fiber strand 4, equipped.
each of the jobs 2 has a drafting 5, an air-spinning device with a twisting device 6, a thread take-off device 7, a Gamrillian 8 and a take-up device.
the associated yarn laying device 9 ensures that the yarn 10 produced in the air-spinning unit from the fiber strand 4 is wound in intersecting layers onto a package 11.
This package reel or cross-wound bobbin 11 is, as usual, held in a coil frame, not shown, and is rotated by a coil drive, also not shown.
the jobs 2 of the textile machine 1 are preferably supplied by an automatically operating control unit 12, which, guided on rails 13, 14, along the work stations 2 is movable.
FIG. 2 shows a schematic view of a workplace 2 of an air-spinning machine 1 with inventive feed of two fiber strands 4 and 4 ', on which the fiber strands 4 and 4' are spun into a single yarn 10.
the fiber strand 4 which has a higher average staple length, is supplied decentrally to the drafting device 5.
the fiber strand 4 'with a shorter average staple length is located near the longitudinal axis of the twist element 6.
the air-spinning device are downstream of a thread withdrawal device 7, a yarn cleaner 8 and a yarn laying device 9 in the direction of yarn travel.
the emerging from the air spinning device yarn 10 is withdrawn defined by means of the thread take-off device 7 and monitored by the yarn cleaner 8 and optionally cleaned.
the following thread laying device 9 winds the thread 10, in which the Gamkem consists mainly of shorter fibers and the Umwindefasern were largely formed from the longer fibers, iridescent to the cheese 11 on.

Landscapes

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

EP15002003.0A 2014-07-29 2015-07-03 Procede de fabrication d'un fil produit par jet d'air Active EP2980284B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102014011210.1A DE102014011210A1 (de)	2014-07-29	2014-07-29	Verfahren zur Herstellung eines luftgesponnenen Garnes

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
DE102014011210 Previously-Filed-Application		2014-07-29

Publications (3)

Publication Number	Publication Date
EP2980284A2 true EP2980284A2 (fr)	2016-02-03
EP2980284A3 EP2980284A3 (fr)	2016-03-16
EP2980284B1 EP2980284B1 (fr)	2018-10-31

Family

ID=53785378

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP15002003.0A Active EP2980284B1 (fr)	2014-07-29	2015-07-03	Procede de fabrication d'un fil produit par jet d'air

Country Status (4)

Country	Link
EP (1)	EP2980284B1 (fr)
JP (1)	JP6682213B2 (fr)
CN (1)	CN105316811B (fr)
DE (1)	DE102014011210A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN109402802A (zh) *	2018-12-21	2019-03-01	苏州大学	基于双涡流技术的假捻变形纱生产设备及方法
CN112501728A (zh) *	2019-09-13	2021-03-16	村田机械株式会社	纺纱单元及纺纱纱线的制造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2021025141A (ja) *	2019-08-01	2021-02-22	村田機械株式会社	紡績機

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3433282A1 (de)	1983-09-29	1985-04-18	Elitex, koncern textilního strojírenství, Reichenberg/Liberec	Gebuendeltes garn mit stapelfasern und verfahren zu dessen erzeugung
DE4032117A1 (de)	1990-10-10	1992-04-16	Fritz Stahlecker	Spinnmaschine zum pneumatischen falschdrallspinnen
DE4032941A1 (de)	1990-10-17	1992-04-23	Fritz Stahlecker	Verfahren und vorrichtung zum pneumatischen falschdrallspinnen
EP1279756A2 (fr)	2001-07-27	2003-01-29	Maschinenfabrik Rieter Ag	Dispositif de filage pneumatique et procédé de filage pneumatique

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DE2364230C3 (de) *	1973-12-22	1978-10-19	Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt	Verfahren und Vorrichtung zur Herstellung von Kerngarn in einer Offen-End-Spinnvorrichtung
JPS5853091B2 (ja) *	1978-07-10	1983-11-26	東レ株式会社	多色糸およびその製造方法
JPS595685B2 (ja) *	1979-11-28	1984-02-06	東レ株式会社	光沢差を有する糸およびその製造方法
JPS61186541A (ja) *	1985-02-08	1986-08-20	村田機械株式会社	紡績糸
JPH02118125A (ja) *	1988-10-26	1990-05-02	Murata Mach Ltd	嵩高性紡績糸の製造法
JPH02110682U (fr) *	1989-02-22	1990-09-04
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EP1234902B1 (fr) *	2000-11-28	2004-04-14	Trützschler GmbH & Co. KG	Méthode et dispositif dans un métier à filer pour étirer un matériau fibreux, par ex. coton ou des fibres chimiques
US6782685B2 (en) *	2000-12-22	2004-08-31	Maschinenfabrik Rieter Ag	Apparatus for producing a core spun yarn
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EP1270778A1 (fr) *	2001-06-29	2003-01-02	Maschinenfabrik Rieter Ag	Procédé et dispositif pour la production de filés de fibres contenant des fibres synthétiques
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CN101368305B (zh) *	2008-09-26	2010-06-02	东华大学	一种可生产包芯纱的喷气涡流纺纱装置
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2014
- 2014-07-29 DE DE102014011210.1A patent/DE102014011210A1/de not_active Withdrawn
2015
- 2015-07-03 EP EP15002003.0A patent/EP2980284B1/fr active Active
- 2015-07-28 CN CN201510452246.7A patent/CN105316811B/zh active Active
- 2015-07-29 JP JP2015149871A patent/JP6682213B2/ja active Active

Patent Citations (4)

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Publication number	Priority date	Publication date	Assignee	Title
DE3433282A1 (de)	1983-09-29	1985-04-18	Elitex, koncern textilního strojírenství, Reichenberg/Liberec	Gebuendeltes garn mit stapelfasern und verfahren zu dessen erzeugung
DE4032117A1 (de)	1990-10-10	1992-04-16	Fritz Stahlecker	Spinnmaschine zum pneumatischen falschdrallspinnen
DE4032941A1 (de)	1990-10-17	1992-04-23	Fritz Stahlecker	Verfahren und vorrichtung zum pneumatischen falschdrallspinnen
EP1279756A2 (fr)	2001-07-27	2003-01-29	Maschinenfabrik Rieter Ag	Dispositif de filage pneumatique et procédé de filage pneumatique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN109402802A (zh) *	2018-12-21	2019-03-01	苏州大学	基于双涡流技术的假捻变形纱生产设备及方法
CN112501728A (zh) *	2019-09-13	2021-03-16	村田机械株式会社	纺纱单元及纺纱纱线的制造方法
CN112501728B (zh) *	2019-09-13	2023-07-14	村田机械株式会社	纺纱单元及纺纱纱线的制造方法

Also Published As

Publication number	Publication date
EP2980284A3 (fr)	2016-03-16
DE102014011210A1 (de)	2016-02-04
JP2016030887A (ja)	2016-03-07
JP6682213B2 (ja)	2020-04-15
CN105316811B (zh)	2019-05-03
CN105316811A (zh)	2016-02-10
EP2980284B1 (fr)	2018-10-31

Publication	Publication Date	Title
EP3148913B1 (fr)	2019-12-18	Procédé permettant de faire fonctionner une machine textile et machine textile servant à produire une mèche
EP2726655B1 (fr)	2019-05-29	Banc à broches destiné à fabriquer une mèche et procédé permettant de commencer à filer un assemblage de fibres
DE3943600C2 (de)	1994-01-05	Verfahren und Vorrichtung zur Herstellung eines Mehrfachfadens sowie Mehrfachfaden
DE2424669A1 (de)	1975-01-02	Verfahren zur verarbeitung von fasergut zu garn und vorrichtung zur durchfuehrung dieses verfahrens
EP3140440B1 (fr)	2019-09-04	Machine textile et procédé pour faire fonctionner une telle machine
EP2740821B1 (fr)	2016-08-31	Dispositif de filage pneumatique
DE10236450A1 (de)	2004-02-19	Spinnmaschine mit einem Mehrstufen-Verdichtungs-Streckwerk
CH711736A1 (de)	2017-05-15	Verfahren zur Herstellung von elastischem Coregarn mit einer Ringspinnmaschine.
DE10251727A1 (de)	2004-05-13	Verfahren und Vorrichtung zur Herstellung von Flyerlunte
DE3926227C2 (fr)	1992-07-23
EP2980284B1 (fr)	2018-10-31	Procede de fabrication d'un fil produit par jet d'air
WO2005026420A1 (fr)	2005-03-24	Ensemble banc d'etirage-banc a broches permettant de produire une meche par un procede de filage pneumatique
EP1573098B1 (fr)	2008-11-26	Dispositif pour fabriquer une fibre filee
DE2953527C2 (de)	1986-07-10	Verfahren und Vorrichtung zur Herstellung von Effektgarn
EP3839114B1 (fr)	2025-07-23	Procédé d'agencement d'une bande de fibre sur une unité de filage d'un métier à filer
EP3842578A1 (fr)	2021-06-30	Dispositif et procédé de fabrication d'un fil à âme
EP3140232B1 (fr)	2020-05-06	Machine textile servant à la production de mèche et procédé pour faire fonctionner une telle machine textile
EP2682509A2 (fr)	2014-01-08	Banc d'étirage pour un métier à tisser
EP1853755B1 (fr)	2011-04-13	Procede de filage sans ailette et dispositif equipe d'un banc d'etirage
EP3149229B1 (fr)	2018-05-02	Machine de préparation de filature
EP3149230B1 (fr)	2018-04-18	Machine de préparation de filature
DE3822294A1 (de)	1990-02-08	Verfahren zum wiederanspinnen eines doppelfadens an einem spinnaggregat einer spinnmaschine
DE102006037716A1 (de)	2008-02-14	Vorrichtung zum Herstellen einer Maschenware
DE2407357A1 (de)	1975-08-28	Garn und verfahren zu seiner herstellung
EP3140233A1 (fr)	2017-03-15	Machine textile servant à la production de mèches et procédé de démarrage de la production de mèche sur une machine textile correspondante

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