EP1361997B1 - Fadenliefergerät - Google Patents

Fadenliefergerät Download PDF

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Publication number
EP1361997B1
EP1361997B1 EP02718128A EP02718128A EP1361997B1 EP 1361997 B1 EP1361997 B1 EP 1361997B1 EP 02718128 A EP02718128 A EP 02718128A EP 02718128 A EP02718128 A EP 02718128A EP 1361997 B1 EP1361997 B1 EP 1361997B1
Authority
EP
European Patent Office
Prior art keywords
housing
rotor
motor shaft
stator
rotary position
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.)
Expired - Lifetime
Application number
EP02718128A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1361997A1 (de
Inventor
Egon Johansson
Pär JOSEFSSON
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.)
Iropa AG
Original Assignee
Iropa AG
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 Iropa AG filed Critical Iropa AG
Publication of EP1361997A1 publication Critical patent/EP1361997A1/de
Application granted granted Critical
Publication of EP1361997B1 publication Critical patent/EP1361997B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • B65H51/22—Reels or cages, e.g. cylindrical, with storing and forwarding surfaces provided by rollers or bars
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D03D47/36—Measuring and cutting the weft
    • D03D47/361—Drum-type weft feeding devices

Definitions

  • the invention relates to a yarn feeding device specified in the preamble of claim 1 kind
  • the electric motor is an asynchronous motor, the design a complex control electronics needed and a performance has some compromises in driving the yarn guide element of the yarn feeding device to accept
  • the known yarn feeding devices there are Equipment variants in which the threading of a new thread simplifies or even is automated
  • For manual threading with a thread needle can be fixed in the housing Outrigger a guideway used for the threading needle to to bring the new thread to the fume hood.
  • an automatic or semi-automatic pneumatic threading system is used as a threading device in the housing-fixed boom a guideway for the new thread transporting Air flow provided. in both cases, it is necessary, the thread guide spatially align with the threading device for threading.
  • this target rotational position of the motor shaft is corresponding to the Alignment of the yarn guide element reaches the threading, without that the motor shaft continues to rotate in or against the previous direction of rotation.
  • the invention is based on the object, an improved yarn feeding device of the beginning to create said type in which needed at standstill for threading Target position is reproducible adjustable.
  • the equipment of the yarn feeding device with the permanent magnet motor has the advantage that in terms of the operating behavior less compromises in Buy as with an asynchronous motor.
  • the permanent magnet motor is easier to control, more compact and in control Large-scale production more cost-effective. Above all, it also offers the important advantage of one easy integration into computerized data and signal transmission systems from Textile machinery.
  • Manufacturing becomes easy with a fixed assignment between the motor shaft and the rotor and the thread guide element exclusively the rotational position of the stator in the housing matched to the desired rotational position, with the threading of the thread guide element This means that the rotor is firmly on the motor shaft attached, and the yarn guide is firmly connected to the motor shaft.
  • the mentioned rotational positioning by means of a Positioning device only of the stator in the housing is the first option.
  • alternative or additively can also be a rotational positioning between the rotor and the motor shaft be made to the desired threading position of the thread guide element produce in interaction with a stable relative rotational position of the rotor, and alternatively or additively by a rotational positioning of the yarn guide element relative to the motor shaft.
  • the option to be selected depends on the Structural conditions in the yarn feeder.
  • At least one engagement point is provided on the stator, at the one Engagement element of the housing can be brought to attack to the stator so in the housing to rotate that one of the stable relative rotational positions with the threading position the thread guide element correlated.
  • the point of engagement is a recess or longitudinal groove in the manufacturing process Outer circumference of the stator.
  • a projection in the housing becomes engaged with this Appropriately, a dowel screw is screwed, the ensures the positioning of the stator.
  • the engagement element should be provided on the underside of the housing become. Is tuned to this position of the engagement element in the housing the respective engagement point on the stator with respect to the rotational angle of the rotor at its stable relative rotational positions placed.
  • the rotor has several stable relative rotational positions within a full turn has, it is appropriate, one of the number of pole pairs of the stator corresponding number From intervention points to distribute the circumference and of which one optional for Use rotary positioning of the stator by means of the engagement member.
  • the threading device as known per se, one in a boom fixed to the housing provided guide for either a threading needle or a Einfädel Kunststoffstrom be.
  • the desired rotational position of the motor shaft is then the outlet of the Yarn guiding element forming winding tube of the motor shaft aligned with the guide, when the rotor of the currentless permanent magnet motor has a certain one of its stable relative rotational positions has taken.
  • the position signal of a rotational position sensor of the Yarn feeding device are used, the motor control reaching the threading position the thread guide element confirmed.
  • a yarn feeder F shown in Figs. 1 and 2 is, for example, a weft feeder for a loom and has a manual equipment or automated or semi-automated threading a new thread.
  • the yarn feeding device F has a solid housing 1 with a housing-fixed Outrigger 2 on.
  • a Guide 3 is provided, either for guiding a threading needle or a new thread through the yarn feeding device F transporting air flow usable is.
  • a permanent magnet motor PM is mounted, serving as a drive of a thread guide element E, with which a in Fig. 1 from the left incoming, not shown thread through the thread guide E through to one Memory surface of a storage body D can be brought to a thread supply, not shown to form, from which the thread in Fig. 1 to the right for consumption deducted becomes.
  • the permanent magnet motor PM consists of a fixed in the housing 1 stator S and a rotor R, which is mounted in the stator S on a motor shaft W, in Bearings 4 is rotatably mounted in the housing, and the storage body D carries.
  • a control electronics C for the permanent magnet motor PM arranged, via a connection 6 with the permanent magnet motor
  • a rotational position sensor H may be provided be, e.g. a Hall sensor, which is arranged in the housing 1 and the rotational position of the Yaw element E scans and generates, for example, a signal and upper one Connection 9 transmitted to the control electronics C when the yarn guide E in the one shown in Fig. 1, on the guide 3 of the threading T aligned Threading position has arrived.
  • the storage body D is on the motor shaft W in a manner not shown to the latter Axis X is rotatably mounted It is arranged in the housing 1 permanent magnet 7, which is arranged in the storage body D permanent magnet 8 via the Working together thread guide element E, the co-rotation with the motor shaft W hindered (stationary storage body).
  • the motor shaft W is at least in its left End portion formed as a hollow shaft (not shown).
  • the thread guide E is integrated in this case in a so-called winding disk and by one of the Motor shaft W obliquely outwardly extending winding tube formed.
  • Fig. 2 the rotatably mounted on the motor shaft W rotor R with a fitting several distributed in the circumferential direction, possibly different spaced, permanent magnet 11 recognizable.
  • the stator S has in the circumferential direction distributed Polkeme 12, between which cavities 13 for turns, not shown or windings.
  • a stable relative rotational position is with the two arrows pointing to each other DLS indicated
  • the motor shaft W takes a Target rotational position Y, in which the yarn guide E its indicated by Z. Threading has and aligned with the guide 3 of the Einfädefvorraum T.
  • the stable relative rotational position DLS and the dependent rotational position dependent therefrom Y of the motor shaft with the threading Z of the yarn guide E in FIG. 2 are on the Distributed circumferentially of the stator are a plurality of engagement points 14, e.g.
  • depressions or Longitudinal grooves, formed in one of these engagement points 14 is an engagement member 15 of the Housing 1 brought into engagement
  • the engagement element 15 is for example a Bolt 16, which is screwed through a threaded hole 17 in the housing 1 becomes.
  • the threaded bore 17 is expediently located on the housing extension 2 with respect to the axis X diametrically opposite housing bottom 10. Of the multiple points of engagement 14, either may be for cooperation be used with the engagement member 15.
  • the engagement points 14 are so arranged on the circumference of the stator S, that, with proper engagement between an engagement point 14 and the engagement member 15, the thread guide E is precisely aligned with the threading device T, although the rotor R at the same time one of its stable relative rotational positions, eg. DLS, has taken.
  • the confirmation signal of the one shown in FIG Rotary position sensor H can be used as a reference to the rotor R when stopping of the permanent magnet motor PM to turn into a stable rotational position DLS and the Sensor H confirms the achievement of the desired position Y of the motor shaft W, and also then the rotor has assumed the predetermined stable relative rotational position.
  • the rotational position of the stator S predetermined so that the above-mentioned results are achieved.
  • the thread guide E relative to the motor shaft W to twist and then set, if at the present installation position of the stator S in the housing 1, the threading Z at a stable relative rotational position of the rotor R is reached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Looms (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Sewing Machines And Sewing (AREA)
EP02718128A 2001-02-19 2002-02-13 Fadenliefergerät Expired - Lifetime EP1361997B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10107688 2001-02-19
DE10107688A DE10107688A1 (de) 2001-02-19 2001-02-19 Fadenliefergerät
PCT/EP2002/001512 WO2002066353A1 (de) 2001-02-19 2002-02-13 Fadenliefergerät

Publications (2)

Publication Number Publication Date
EP1361997A1 EP1361997A1 (de) 2003-11-19
EP1361997B1 true EP1361997B1 (de) 2005-01-19

Family

ID=7674549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02718128A Expired - Lifetime EP1361997B1 (de) 2001-02-19 2002-02-13 Fadenliefergerät

Country Status (6)

Country Link
US (1) US7059556B2 (zh)
EP (1) EP1361997B1 (zh)
KR (1) KR100537989B1 (zh)
CN (1) CN1239367C (zh)
DE (2) DE10107688A1 (zh)
WO (1) WO2002066353A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0103196D0 (sv) * 2001-09-24 2001-09-24 Iropa Ag Fadenliefergerät
ITTO20060015A1 (it) * 2006-01-11 2007-07-12 Lgl Electronics Spa Alimentatore di trama negativo con rilevatore di posizione incorporato
DE102021115596B3 (de) 2021-06-16 2022-05-12 Memminger-IRO Gesellschaft mit beschränkter Haftung Fadenliefergerät

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116397A (en) 1973-12-06 1978-09-26 Papst Motoren Kg Drive arrangement for yarn storage and dispensing units
FR2523162A1 (fr) 1982-03-08 1983-09-16 Cheboxarsky Mashstr Zavod Dispositif pour former une reserve de fil lors de son insertion dans la foule d'un metier a tisser
IT1217339B (it) * 1988-02-11 1990-03-22 Roy Electrotex Spa Alimentatore di filo per macchine tessili
DE4007131C2 (de) * 1990-03-07 1999-12-30 Iro Patent Ag Baar Liefervorrichtung für laufende Fäden
IT1259551B (it) * 1992-04-22 1996-03-20 Lgl Electronics Spa Dispositivo elettropneumatico per l'infilaggio automatico di apparecchi alimentatori di trama a macchine tessili ed apparecchio alimentatore di trama incorporante detto dispositivo
DE4336312C2 (de) * 1993-10-25 2003-09-25 Schlafhorst & Co W Vorrichtung zum Wickeln von Garnkörpern
CN1070148C (zh) * 1996-03-26 2001-08-29 Iro有限公司 具有近程传感器的喂纱器
IT1307714B1 (it) 1999-05-07 2001-11-14 Lgl Electronics Spa Metodo e dispositivo di regolazione automatica del motore asincronodi movimentazione del braccio avvolgitrama negli apparecchi
DE19941889A1 (de) * 1999-09-02 2001-03-08 Iro Patent Ag Baar Fadenliefergerät
DE10006142A1 (de) * 2000-02-11 2001-08-16 Iro Patent Ag Baar Verfahren zur twistfreien Lieferung eines Fadens und Fadenliefergerät
DE10249641A1 (de) * 2002-10-24 2004-05-06 Iropa Ag Sensorsystem und Verfahren zur Vektorsteuerung

Also Published As

Publication number Publication date
EP1361997A1 (de) 2003-11-19
CN1239367C (zh) 2006-02-01
CN1491177A (zh) 2004-04-21
DE50202042D1 (de) 2005-02-24
US7059556B2 (en) 2006-06-13
WO2002066353A1 (de) 2002-08-29
KR20030076689A (ko) 2003-09-26
US20040108400A1 (en) 2004-06-10
KR100537989B1 (ko) 2005-12-20
DE10107688A1 (de) 2002-08-29

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