EP1802794B1 - Doppeldraht-zwirnspindel mit druckluftbetätigter einfädelvorrichtung - Google Patents

Doppeldraht-zwirnspindel mit druckluftbetätigter einfädelvorrichtung Download PDF

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Publication number
EP1802794B1
EP1802794B1 EP05784111A EP05784111A EP1802794B1 EP 1802794 B1 EP1802794 B1 EP 1802794B1 EP 05784111 A EP05784111 A EP 05784111A EP 05784111 A EP05784111 A EP 05784111A EP 1802794 B1 EP1802794 B1 EP 1802794B1
Authority
EP
European Patent Office
Prior art keywords
spindle
injector
compressed air
thread
spindle bolt
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.)
Not-in-force
Application number
EP05784111A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1802794A1 (de
Inventor
Heinz Fink
Ludwig Appelhans
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile 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.)
Filing date
Publication date
Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP1802794A1 publication Critical patent/EP1802794A1/de
Application granted granted Critical
Publication of EP1802794B1 publication Critical patent/EP1802794B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
    • D01H15/007—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing for two-for-one twisting machines
    • 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
    • D01H7/86—Multiple-twist arrangements, e.g. two-for-one twisting devices ; Threading of yarn; Devices in hollow spindles for imparting false twist
    • 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
    • D01H7/88—Hollow-spindle arrangements

Definitions

  • the invention relates to a double-twisting spindle with pneumatically operated threading device according to the preamble of claim 1.
  • the thread is usually withdrawn from the stationary supply spool up, introduced into the upper end of a thread inlet tube, deflected downward and guided to the spindle rotor, which he leaves by a Fadenleitkanal or a thread outlet channel in the radial direction.
  • a thread guide eyelet serves as a balloon limiter.
  • the thread then passes over a traversing yarn guide and is wound up on a package.
  • the threading of the thread is made on modern double-twisting machines by means of compressed air and Einfädelinjektor.
  • the Einfädelinjektor compressed air is supplied, whereby a negative pressure is generated, which sucks the thread through the spindle hollow axis, and whereby the thread is then conveyed by means of an air flow through the yarn guide radially outward.
  • the Einfädelinjektor is arranged for example on the stationary part of the hollow shaft, and the air supply is fed horizontally through the protective pot of the double-twisting spindle as it EP 0 489 225 B1 shows.
  • the injector is part of the rotating storage disc. The air supply takes place through the hollow axis of the spindle bolt.
  • EP1101847 A1 is considered to be the closest prior art to the subject-matter of claim 1. It discloses a double-twisting spindle with pneumatically operated threading device for a thread and a rotatable around its vertically disposed spindle axis spindle pin, wherein an injector opens into a Fadenleitkanal, the injector is temporarily connected by a compressed air supply to a compressed air source and the thread during the threading by means of a Air flow is conveyed through the Fadenleitkanal, wherein the compressed air supply has an upstream of the injector annular chamber which is formed at least by the spindle bolt and by a spindle bolt extending around the lip seal element. In this case, the lip seal is firmly connected to the bearing hub attached to the spindle hub.
  • the double-twisting spindle according to the invention represents a compact, space and weight-saving design. For the production no complicated and complicated machining operations are required. Does the compressed air supply to the injector upstream annular chamber, which is formed by a running around the spindle bolt and fixedly connected to this rigid annular flange can the outer diameter of the spindle bolt are kept small and with the help of the annular chamber a strong and uniform injector effect can be achieved. Although it is quite possible within the scope of the invention to form the annular flange in several parts, the number of parts to be mounted is kept low with a one-piece annular flange. A U-shaped ring flange is easy to manufacture and stable.
  • An insert according to claim 4 is simple and inexpensive to produce. As the material of the insert plastic can be selected. On the surfaces of the insert element, which can wear through the running thread, an excellent wear protection can be achieved by the use of ceramic elements.
  • the hollow screw according to claim 6 is used in addition to the air flow at the same time for fastening the Antriebswirtels. Additional fasteners for the drive whisker are unnecessary.
  • the inventive double-twisting spindle is simple in construction and installation and is inexpensive to produce.
  • the injector creates an effective uniformized air flow for threading the thread.
  • Fig. 1 is a double-twisting spindle with a spindle bearing 1 shown.
  • the spindle bolt 2 is rotatably mounted in the bearing housing 5 by means of ball bearings 3, 4.
  • the bearing housing 5 is fixed to the spindle bank 6.
  • the spindle bolt 2 carries a Fadenleitring 7, a U-shaped Ring flange 8 with annular chamber 9 and a drive whorl 10 which is driven by means of a tangential 11.
  • the spindle bolt 2 has an injector 12 whose injector mouth 13 is directed onto the yarn guide channel 14.
  • the injector 12 is temporarily connected to a compressed air source 15.
  • the air flow in the compressed air line 16 can be interrupted by means of a shut-off device 19.
  • the pipe mouth 17 of the leading from the compressed air source 15 to the spindle bolt 2 compressed air line 16 is arranged stationarily below the spindle bolt 2 Such a stationary compressed air supply is in the DE 30 12 427 C2 described in detail.
  • the compressed air line 16 terminates at a short distance from the head of a hollow screw 18. In this embodiment, seals between the pipe mouth 17 and the hollow screw 18 can be dispensed with. Compressed air losses are largely avoided.
  • the hollow screw 18 is attached to the lower end of the spindle bolt 2 and guides the air flow to the coaxial with the spindle bolt 2 extending supply bore 20.
  • the feed hole 20 opens into a transverse bore 21, which in turn ends in the annular chamber 9.
  • the injector 12 is connected via the flange bore 22 and the guide ring bore 23 with the annular chamber 9.
  • the upper part of the spindle bolt 2 holds by means of ball bearings 24, the hollow hub 25 and the bobbin base 26.
  • the bobbin base 26 is rotatable relative to the spindle bolt 2 and is with rotating spindle bolt 2 in position to the bearing housing 5 and the spindle bank 6 by magnetic force from the permanent magnet 27, 28 held.
  • the spindle bolt 2 comprises an insertion element 29 made of plastic with a thread guide 30 made of ceramic.
  • the Insertion element 29 has an oval shape, as in Fig. 2 is shown, and can be used in a corresponding recess of the spindle bolt 2. It can be produced inexpensively and accurately as a molded part.
  • the U-shaped annular flange 8 is fixed in a press fit on the spindle bolt 2.
  • the press fit not only provides a secure, stable connection between the annular flange 8 and the spindle bolt 2, but also a good sealing of the annular chamber 9.
  • the Fadenleitring 7 surrounds the spindle bolt 2 in the amount of Einsetziatas 29 and rests on the annular flange 8, with which it is firmly connected by screws not shown in the figures.
  • the screws engage in threaded holes 31 in the annular flange 8.
  • the location of the threaded holes 31 is the Fig. 3 removable. Even if the threaded holes 31 are performed continuously with a small wall thickness of the annular flange 8 into the annular chamber 9, a good seal is ensured by the formation of the threaded holes 31 with fine thread.
  • the horizontal and thus at right angles to the axis of rotation 33 of the spindle bolt 2 extending Fadenleitkanal 14 of Fadenleitringes 7 has at its outer end a yarn guide ring 32 made of ceramic.
  • the Fadenleitring 7 carries the turntable 34th
  • the thread 35 is withdrawn from the stationary supply spool 36 upwards.
  • the shut-off device 19 is opened and the compressed air flows through the hollow screw 18, the feed bore 20 and the transverse bore 21st in the annular chamber 9 and from there through the flange bore 22, the guide ring bore 23 and the injector 12 to the injector 13th
  • the annular chamber 9 acts as a compressed air reservoir, and it is formed a compressed air buffer.
  • a uniformly high air pressure is achieved at the injector mouth 13 after the pressure buildup.
  • the injected from the injector 12 air generates an air flow to the exit of Fadenleitkanals 14 and a negative pressure in the thread inlet tube 37 of the spindle bolt 2.
  • the thread 35 is sucked by the negative pressure in the thread inlet tube 37, deflected at Fadenleitelement 30 and promoted by the air flow through the Fadenleitkanal 14 , At the thread guide ring 32, the thread 35 is taken and deflected by the air flowing up there. After the threading process, the shut-off device 19 is activated and the connection between compressed air source 15 and spindle bolt 2 is interrupted again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP05784111A 2004-10-14 2005-08-06 Doppeldraht-zwirnspindel mit druckluftbetätigter einfädelvorrichtung Not-in-force EP1802794B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004050180A DE102004050180A1 (de) 2004-10-14 2004-10-14 Doppeldraht-Zwirnspindel mit druckluftbetätigter Einfädelvorrichtung
PCT/EP2005/008548 WO2006042578A1 (de) 2004-10-14 2005-08-06 Doppeldraht-zwirnspindel mit druckluftbetätigter einfädelvorrichtung

Publications (2)

Publication Number Publication Date
EP1802794A1 EP1802794A1 (de) 2007-07-04
EP1802794B1 true EP1802794B1 (de) 2010-12-01

Family

ID=35385158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05784111A Not-in-force EP1802794B1 (de) 2004-10-14 2005-08-06 Doppeldraht-zwirnspindel mit druckluftbetätigter einfädelvorrichtung

Country Status (5)

Country Link
US (1) US7467508B2 (zh)
EP (1) EP1802794B1 (zh)
CN (1) CN101006218B (zh)
DE (2) DE102004050180A1 (zh)
WO (1) WO2006042578A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006029055A1 (de) * 2006-06-24 2007-12-27 Oerlikon Textile Gmbh & Co. Kg Doppeldraht-Zwirnspindel mit druckluftbetätigter Einfädelvorrichtung
FR2937056A1 (fr) * 2008-10-13 2010-04-16 Ritm Dispositif et procede pour realiser l'enfilage d'un fil dans une broche a motorisation individuelle ou dans une motobroche de retordage et/ou de cablage direct.
CN103541069A (zh) * 2013-09-26 2014-01-29 吴江伊莱纺织科技有限公司 一种气动穿纱锭子
CN103696056A (zh) * 2013-11-30 2014-04-02 宁波屹立特沃纺织机械有限公司 一种集成式储纱加捻机构
CN107151838B (zh) * 2017-06-19 2022-12-20 浙江文源智能科技有限公司 一种电动四捻锭子
DE102019105072A1 (de) * 2019-02-28 2020-09-03 Saurer Technologies GmbH & Co. KG Spulentopflagerung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH533180A (de) * 1970-07-15 1973-01-31 Palitex Project Co Gmbh Doppeldrahtzwirnmaschine mit druckluftbetätigter Einfädelvorrichtung
DE2733318C3 (de) * 1977-07-23 1980-04-30 Palitex Project-Company Gmbh, 4150 Krefeld Doppeldrahtzwirnspindel mit einer druckluftbetätigten Einfädelvorrichtung
DE2756504C3 (de) * 1977-12-19 1980-11-13 Palitex Project-Company Gmbh, 4150 Krefeld Doppeldraht-Zwirnspindel mit aus einer Druckluftquelle betätigter Einfädelvorrichtung
US4168605A (en) * 1977-12-28 1979-09-25 Officine Savio, S.P.A. Spindle for double twisting with pneumatic threading
DE3012427A1 (de) * 1980-03-31 1981-04-16 Saurer-Allma Gmbh, 8960 Kempten Doppeldrahtzwirnspindel mit druckluftbetaetigter einfaedelvorrichtung
DE3118873C2 (de) * 1981-05-13 1985-01-03 Palitex Project-Company Gmbh, 4150 Krefeld Doppeldraht-Zwirnspindel
DE3310438C2 (de) * 1983-03-23 1985-04-04 Palitex Project-Company Gmbh, 4150 Krefeld Vorrichtung zur Veränderung des Durchmessers einer Ablaufhilfe für den Überkopfabzug eines auf eine Aufwickelspule aufzuwickelnden Fadens von einer Vorlagespule
DE3336714C2 (de) * 1983-10-08 1986-07-10 Palitex Project-Company Gmbh, 4150 Krefeld Ballonbegrenzerlose Doppeldraht-Zwirnspindel
DE4120666A1 (de) * 1990-11-29 1992-06-04 Palitex Project Co Gmbh Doppeldraht-zwirnspindel mit druckluftbetaetigter einfaedelvorrichtung
IT1250757B (it) * 1991-08-02 1995-04-21 Savio Spa Metodo perfezionato per l'infilaggio pneumatico in un ritorcitoio con un fuso a doppio perno cavo
EP0620301B1 (de) * 1993-04-13 1997-06-18 Palitex Project-Company GmbH Einrichtung zum Einstellen von Kapselfadenbremsen an Zwirnmaschinen, insbesondere Doppeldraht-Zwirnmaschinen
DE19540790C1 (de) * 1995-11-02 1996-12-05 Palitex Project Co Gmbh Zwirnspindel, insbesondere für eine mehrere Zwirnspindeln aufweisende Doppeldraht-Zwirnmaschine
EP1437429B1 (en) * 1998-07-14 2006-07-26 Murata Kikai Kabushiki Kaisha Individual-spindle-drive type multiple twister with a special motor housing
DE19955399C2 (de) * 1999-11-18 2001-10-04 Volkmann Gmbh Kablier- und Doppeldrahtzwirn-Spindel

Also Published As

Publication number Publication date
US7467508B2 (en) 2008-12-23
EP1802794A1 (de) 2007-07-04
WO2006042578A1 (de) 2006-04-27
DE502005010633D1 (de) 2011-01-13
US20080047250A1 (en) 2008-02-28
CN101006218B (zh) 2010-06-02
DE102004050180A1 (de) 2006-04-20
CN101006218A (zh) 2007-07-25

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