EP1156142A1 - Open-end spinning rotor - Google Patents

Open-end spinning rotor Download PDF

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Publication number
EP1156142A1
EP1156142A1 EP01102897A EP01102897A EP1156142A1 EP 1156142 A1 EP1156142 A1 EP 1156142A1 EP 01102897 A EP01102897 A EP 01102897A EP 01102897 A EP01102897 A EP 01102897A EP 1156142 A1 EP1156142 A1 EP 1156142A1
Authority
EP
European Patent Office
Prior art keywords
rotor
cup
rotor shaft
open
end spinning
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.)
Granted
Application number
EP01102897A
Other languages
German (de)
French (fr)
Other versions
EP1156142B1 (en
Inventor
Stephan Bühren
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
W Schlafhorst AG and Co
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 W Schlafhorst AG and Co filed Critical W Schlafhorst AG and Co
Publication of EP1156142A1 publication Critical patent/EP1156142A1/en
Application granted granted Critical
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
    • D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
    • D01H4/10—Rotors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S403/00—Joints and connections
    • Y10S403/01—Magnetic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7098—Non-circular rod section is joint component

Definitions

  • the invention relates to an open-end spinning rotor with the Features of the preamble of claim 1.
  • the magnetic bearing arrangement consists of a front and a rear bearing, these bearings for their part, axially opposite each other Have permanent magnet rings.
  • One of these Permanent magnet rings are fixed on the stator, while the other permanent magnet ring with the rotor shaft circulates.
  • the rotor cup in these spinning rotors is detachably connected to the rotor shaft. This means that the rotor cup can be removed or replaced after loosening a screw connection, for example in the event of wear or when changing a lot, without the rotor shaft also having to be removed.
  • Patent literature numerous other embodiments for Coupling devices known that connect releasably allow a rotor cup to a rotor shaft.
  • DE 38 35 037 A1 relates to a mechanical-hydraulic Clamping device, with a thin-walled, expandable sleeve between the rotor shaft and rotor cup is tense.
  • the Invention based on the object, the known Coupling devices for releasably fixing a rotor cup to improve on a rotor shaft.
  • the coupling device according to the invention is not only in their constructive structure relatively simple and therefore quite inexpensive to manufacture, but also during Operation very safe at all times.
  • the magnetic device of the coupling device automatically ensures that the spinning cup in axial Direction always with maximum holding force on the rotor shaft is locked while the mechanical anti-rotation lock is over Form-fit any rotational relative movement between the prevented both components.
  • the magnet device is formed by a permanent magnet fixed to the rotor shaft and a ferromagnetic attachment on the rotor cup.
  • the permanent magnet thereby, as described in claim 3, in a arranged rotationally symmetrical receiving sleeve, which, as in Claim 4 set out about a press fit with the rotor shaft connected is.
  • the rotor shaft can be tubular be formed, the receiving sleeve with a Appropriate approach engages in the rotor shaft.
  • the setting of the rotationally symmetrical receiving sleeve on The rotor shaft adjusts by means of a press fit proven joining process that is not only simple a secure setting of the receiving sleeve and thus the Permits permanent magnets on the rotor shaft, but also ensures that there is no imbalance in the rotor shaft.
  • a form-locking element is arranged in the receiving sleeve and, in conjunction with a corresponding form-locking element at the attachment of the rotor cup, forms a mechanical anti-rotation device.
  • the form-locking element in the receiving sleeve is designed as an internal polygon, preferably as an internal hexagon.
  • the receiving sleeve of the further, as set out in claim 6, a cylindrical Hole on that with an appropriate guide approach corresponds to the rotor cup.
  • Such open-end spinning devices 1 each have a rotor housing 2, in which the rotor cup 26 of a spinning rotor 3 rotates at high speed.
  • the spinning rotor 3 is driven by an electromotive individual drive 18 and is fixed with its rotor shaft 4 in front 27 and rear 28 bearings of a magnetic bearing arrangement 5, which support the spinning rotor 3 both radially and axially.
  • the rotor housing 2 which is open towards the front, is closed during operation by a pivotably mounted cover element 8, into which a channel plate (not shown) is inserted.
  • the rotor housing 2 is also connected via a corresponding pneumatic line 10 to a vacuum source 11, which generates the spinning vacuum required in the rotor housing 2.
  • a channel plate adapter 12 is arranged in the cover element 8 or in the channel plate, which has the thread take-off nozzle 13 and the mouth region of the fiber guide channel 14.
  • a thread take-off tube 15 connects to the thread take-off nozzle 13.
  • an opening roller housing 17 is fixed on the cover element 8, which is rotatably supported to a limited extent about a pivot axis 16.
  • the cover element 8 also has rear Bearing brackets 19, 20 for mounting an opening roller 21 or a sliver feed cylinder 22.
  • the opening roller 21 is in the region of its whorl 23 a circumferential, machine-long tangential belt 24 driven while the (not shown) drive the Sliver feed cylinder 22 preferably via a Worm gear arrangement takes place on a machine-long drive shaft 25 is switched.
  • the coupling device 29 consists in detail of a magnetic device 30 and a mechanical anti-rotation device 31. That is to say, a rotor magnet 33, preferably at least in the end region, is arranged on the rotor cup 26 and is divided into two sections 38, 36 of approximately the same length. A section adjoining the rotor cup 26 is designed as a cylindrical guide projection 38, which is adjoined by an external polygon, preferably an external hexagon 36.
  • a receiving sleeve 34 set In the preferably tubular rotor shaft 4 is, via a Press fit, a receiving sleeve 34 set.
  • the receiving sleeve 34 not only has the permanent magnet ring 39 on the rotor side of the front bearing 27 of the magnetic bearing arrangement 5, but is, within the receiving sleeve 34, non-rotatable, an internal polygon, preferably an internal hexagon 35, and a permanent magnet 32 fixed.
  • the receiving sleeve 34 also has a cylindrical bore 37 which, in the installed state, corresponds to a guide shoulder 38 of the rotor cup 26, that is to say surrounds this guide shoulder 38 without play.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Centrifugal Separators (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The coupling (29) employs a magnetic assembly (30). This locates the rotor shaft (4) and cup (26) axially. A keying assembly (31) locks them together in rotation. Preferred features: The magnetic assembly comprises a permanent magnet (32) secured to the rotor shaft, attracting a ferromagnetic extension (33) of the cup (26). The permanent magnet is located in a rotationally-symmetrical housing (34) which is locked in rotation with the rotor shaft (4). The housing is press-fitted into its seat in the tubular rotor shaft (4). The keying (31) is polygonal (35) (hex). The housing includes a cylindrical guidance bore (37), surrounding the rotor cup extension (38) when installed.

Description

Die Erfindung betrifft einen Offenend-Spinnrotor mit den Merkmalen des Oberbegriffes des Anspruches 1.The invention relates to an open-end spinning rotor with the Features of the preamble of claim 1.

Die meisten der zur Zeit in der Textilindustrie eingesetzten Offenend-Rotorspinnmaschinen weisen Spinnrotoren auf, die mit ihrem Rotorschaft in den Lagerzwickeln einer sogenannten Stützscheibenlagerung gelagert sind und dabei über einen maschinenlangen Tangentialriemen angetrieben werden.Most of those currently used in the textile industry Open-end rotor spinning machines have spinning rotors that work with their rotor shaft in the bearing gussets a so-called Support disc storage are stored and over a machine-long tangential belts are driven.

Diese Spinnrotoren, bei denen der Rotorschaft und die Rotortasse üblicherweise über einen Preßsitz nahezu unlösbar verbunden sind, können bei Bedarf, zum Beispiel bei Verschleiß, von vorne durch das geöffnete Rotorgehäuse ein- bzw. ausgebaut werden.These spinning rotors, in which the rotor shaft and the Rotor cup usually almost impossible to remove using a press fit connected, if necessary, for example at Wear, from the front through the open rotor housing or be expanded.

Des weiteren sind, beispielsweise durch die EP 0 972 868 A2, einzelmotorisch angetriebene Spinnrotoren bekannt, die mit ihrem Rotorschaft in einer Magnetlageranordnung abgestützt sind.Furthermore, for example by EP 0 972 868 A2, single motor driven spinning rotors known with their rotor shaft supported in a magnetic bearing arrangement are.

Die Magnetlageranordnung besteht dabei aus einer vorderen und einer hinteren Lagerstelle, wobei diese Lagerstellen ihrerseits jeweils über sich axial gegenüberstehende Permanentmagnetringe verfügen. Einer dieser Permanentmagnetringe ist dabei jeweils am Stator festgelegt, während der andere Permanentmagnetring mit dem Rotorschaft umläuft. The magnetic bearing arrangement consists of a front and a rear bearing, these bearings for their part, axially opposite each other Have permanent magnet rings. One of these Permanent magnet rings are fixed on the stator, while the other permanent magnet ring with the rotor shaft circulates.

Da der Ein-oder Ausbau derartig gelagerter Spinnrotoren einen nicht unerheblichen Montageaufwand erfordert, ist bei diesen Spinnrotoren die Rotortasse jeweils lösbar mit dem Rotorschaft verbunden.
Das heißt, die Rotortasse kann bei Bedarf, zum Beispiel bei einem Verschleiß oder bei einem Partiewechsel, nach dem Lösen einer Schraubverbindung ausgebaut bzw. ausgewechselt werden, ohne daß dabei auch der Rotorschaft mitausgebaut werden muß.Since the installation or removal of such spinning rotors requires a not inconsiderable amount of assembly work, the rotor cup in these spinning rotors is detachably connected to the rotor shaft.
This means that the rotor cup can be removed or replaced after loosening a screw connection, for example in the event of wear or when changing a lot, without the rotor shaft also having to be removed.

Die lösbare Koppelung von Rotorschaft und Rotortasse mittels einer Schraubverbindung konnte allerdings nicht restlos befriedigen.
Bei solchen Schraubverbindungen war beispielsweise, insbesondere bei längerer Laufzeiten, nicht immer zu gewährleisten, daß Rotortasse und Rotorschaft zu jedem Zeitpunkt ausreichend fest verbunden sind.
Außerdem erwies es sich als relativ umständlich und zeitaufwendig, die Rotortasse am Rotorschaft festzuschrauben, während dieser in der Magnetlagerung abgestützt bleibt.However, the detachable coupling of the rotor shaft and rotor cup by means of a screw connection was not entirely satisfactory.
In the case of such screw connections, it was not always possible, for example, in particular in the case of longer running times, to ensure that the rotor cup and rotor shaft are sufficiently firmly connected at all times.
In addition, it turned out to be relatively cumbersome and time-consuming to screw the rotor cup onto the rotor shaft, while it remains supported in the magnetic bearing.

Neben der vorbeschriebenen Schraubverbindung sind aus der Patentliteratur noch zahlreiche weitere Ausführungsformen für Kupplungseinrichtungen bekannt, die ein lösbares Anschließen einer Rotortasse an einen Rotorschaft ermöglichen.In addition to the screw connection described above, the Patent literature numerous other embodiments for Coupling devices known that connect releasably allow a rotor cup to a rotor shaft.

In der DE 38 15 182 A1 sind beispielsweise verschiedene kraft- oder formschlüssig arbeitende Kupplungsvarianten beschrieben, die ein einwandfreies und leicht lösbares Festlegen der Rotortasse am Rotorschaft gewährleisten sollen. DE 38 15 182 A1, for example, different non-positive or positive coupling variants described that a flawless and easily solvable Set the rotor cup to ensure the rotor shaft.

Die einzelnen Kupplungsvarianten sind dabei allerdings insgesamt recht aufwendig konstruiert und damit relativ kostenintensiv.The individual coupling variants are, however overall constructed quite complex and therefore relative expensive.

Eine vergleichbare, in ihrem konstruktiven Aufbau deutlich einfachere Kupplungseinrichtung ist in der EP 0 808 923 A1 beschrieben.
Diese bekannte Kupplungseinrichtung ist nach Art einer Klipsverbindung aufgebaut, wobei ein Teil der Klipsverbindung an der Rotortasse und das andere Teil am Rotorschaft angeordnet ist.
Wenigstens ein Teil der Klipsverbindung wird dabei durch ein elastisches Element beaufschlagt.A comparable coupling device, which is significantly simpler in terms of its construction, is described in EP 0 808 923 A1.
This known coupling device is constructed in the manner of a clip connection, part of the clip connection being arranged on the rotor cup and the other part on the rotor shaft.
At least part of the clip connection is acted upon by an elastic element.

Auch bei der Kupplungseinrichtung gemäß EP 0 808 923 A1 gestaltet sich ein Wechsel der Rotortasse, insbesondere, wenn der Rotorschaft während dieses Wechsels in der Lagereinrichtung eingebaut bleibt, zumindest umständlich. Außerdem ist bei dieser Kupplungseinrichtung, vor allem nach mehrmaligem An- und Abbau der Rotortasse, nicht immer gewährleistet, daß eine sichere Arretierung der Rotortasse am Rotorschaft auch bei hohen Drehzahlen des Spinnrotors stets gegeben ist.This also applies to the coupling device according to EP 0 808 923 A1 the rotor cup changes, especially if the rotor shaft during this change in the Storage facility remains installed, at least cumbersome. In addition, this coupling device, especially after repeated installation and removal of the rotor cup, not always ensures that the rotor cup is securely locked on Rotor shaft always at high speeds of the spinning rotor given is.

Weitere Kupplungseinrichtungen sind durch die DE 38 35 037 A1 oder die DE 196 18 027 A1 bekannt.Further coupling devices are described in DE 38 35 037 A1 or known from DE 196 18 027 A1.

Die DE 38 35 037 A1 betrifft dabei eine mechanischhydraulische Spanneinrichtung, mit einer dünnwandige, aufweitbaren Hülse, die zwischen Rotorschaft und Rotortasse verspannbar ist. DE 38 35 037 A1 relates to a mechanical-hydraulic Clamping device, with a thin-walled, expandable sleeve between the rotor shaft and rotor cup is tense.

Die DE 196 18 027 A1 beschreibt eine Fliehkraftkupplung.
Das heißt, ein spezielles Kupplungselement weist federkraftbeaufschlagte Kugeln auf, die während des Betriebes des Spinnrotors infolge der Zentrifugalkraft nach außen gedrückt werden und dabei die Rotortasse am Rotorschaft arretieren.DE 196 18 027 A1 describes a centrifugal clutch.
This means that a special coupling element has spring-loaded balls that are pressed outwards during operation of the spinning rotor due to the centrifugal force and thereby lock the rotor cup on the rotor shaft.

Auch die vorbeschriebenen Kupplungseinrichtungen sind konstruktiv recht aufwendig und erfordern zudem aufgrund der hohen Rotordrehzahlen eine hohe Auswuchtgenauigkeit, was die Fertigung solcher Einrichtungen recht kostspielig macht.The coupling devices described above are also constructively quite complex and also require due to the high rotor speeds a high balancing accuracy what the Manufacturing such devices makes them quite expensive.

Ausgehend vom vorgenannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, die bekannten Kupplungseinrichtungen zum lösbaren Festlegen einer Rotortasse an einem Rotorschaft zu verbessern.Starting from the aforementioned prior art, the Invention based on the object, the known Coupling devices for releasably fixing a rotor cup to improve on a rotor shaft.

Diese Aufgabe wird erfindungsgemäß durch eine Vorrichtung gelöst, wie sie im Anspruch 1 beschrieben ist.This object is achieved by a device solved, as described in claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of Subclaims.

Die erfindungsgemäße Kupplungsvorrichtung ist nicht nur in ihrem konstruktiven Aufbau relativ einfach und daher recht kostengünstig in der Fertigung, sondern auch während des Betriebes zu jeder Zeit sehr sicher.The coupling device according to the invention is not only in their constructive structure relatively simple and therefore quite inexpensive to manufacture, but also during Operation very safe at all times.

Das heißt, die Magneteinrichtung der Kupplungsvorrichtung sorgt automatisch dafür, daß die Spinntasse in axialer Richtung stets mit maximaler Haltekraft am Rotorschaft arretiert ist, während die mechanische Verdrehsicherung über Formschluß jede rotatorische Relativbewegung zwischen den beiden Bauteilen verhindert.That is, the magnetic device of the coupling device automatically ensures that the spinning cup in axial Direction always with maximum holding force on the rotor shaft is locked while the mechanical anti-rotation lock is over Form-fit any rotational relative movement between the prevented both components.

Wie im Anspruch 2 dargelegt, ist in bevorzugter Ausführungsform vorgesehen, daß die Magneteinrichtung durch einen am Rotorschaft festgelegten Permanentmagnet und einen ferromagnetischen Ansatz an der Rotortasse gebildet wird.
Eine solche Ausbildung hat insbesondere den Vorteil, daß der relativ teure Teil der Magneteinrichtung, nämlich der Permanentmagnet, auch dann weiter benutzt werden kann, wenn die dem Verschleiß unterworfene Rotortasse aufgrund entsprechende Abnutzung unbrauchbar geworden ist und ausgetauscht werden muß.As stated in claim 2, it is provided in a preferred embodiment that the magnet device is formed by a permanent magnet fixed to the rotor shaft and a ferromagnetic attachment on the rotor cup.
Such a design has the particular advantage that the relatively expensive part of the magnetic device, namely the permanent magnet, can continue to be used even if the rotor cup subject to wear has become unusable due to corresponding wear and must be replaced.

In vorteilhafter Ausführungsform ist der Permanentmagnet dabei, wie im Anspruch 3 beschrieben, in einer rotationssymmetrischen Aufnahmehülse angeordnet, die, wie im Anspruch 4 dargelegt, über einen Preßsitz mit dem Rotorschaft verbunden ist. Der Rotorschaft kann dabei rohrförmig ausgebildet sein, wobei die Aufnahmehülse mit einem entsprechende Ansatz in den Rotorschaft greift.In an advantageous embodiment, the permanent magnet thereby, as described in claim 3, in a arranged rotationally symmetrical receiving sleeve, which, as in Claim 4 set out about a press fit with the rotor shaft connected is. The rotor shaft can be tubular be formed, the receiving sleeve with a Appropriate approach engages in the rotor shaft.

Das Festlegen der rotationssymmetrischen Aufnahmehülse am Rotorschaft mittels eines Preßsitzes stellt dabei ein bewährtes Fügeverfahren dar, das auf einfache Weise nicht nur ein sicheres Festlegen der Aufnahmehülse und damit des Permanentmagneten am Rotorschaft ermöglicht, sondern auch sicher stellt, daß in den Rotorschaft keine Unwucht kommt.The setting of the rotationally symmetrical receiving sleeve on The rotor shaft adjusts by means of a press fit proven joining process that is not only simple a secure setting of the receiving sleeve and thus the Permits permanent magnets on the rotor shaft, but also ensures that there is no imbalance in the rotor shaft.

In der Aufnahmehülse ist ein Formschlußelement angeordnet, das in Verbindung mit einem korrespondierenden Formschlußelement am Ansatz der Rotortasse eine mechanische Verdrehsicherung bildet.
Das Formschlußelement in der Aufnahmehülse ist dabei in bevorzugter Ausführungsform als Innenmehrkant, vorzugsweise als Innensechskant, ausgebildet.A form-locking element is arranged in the receiving sleeve and, in conjunction with a corresponding form-locking element at the attachment of the rotor cup, forms a mechanical anti-rotation device.
In a preferred embodiment, the form-locking element in the receiving sleeve is designed as an internal polygon, preferably as an internal hexagon.

Wie vorstehend angedeutet, greift im Einbauzustand der Rotortasse in diesen Innenmehrkant ein entsprechend ausgebildeter, an der Rotortasse angeordneter Außenmehrkant ein (Anspruch 5).As indicated above, the Rotor cup in this inner polygon accordingly trained polygon located on the rotor cup a (claim 5).

In vorteilhafter Ausführungsform weist die Aufnahmehülse des weiteren, wie im Anspruch 6 dargelegt, eine zylindrische Bohrung auf, die mit einem entsprechenden Führungsansatz an der Rotortasse korrespondiert.In an advantageous embodiment, the receiving sleeve of the further, as set out in claim 6, a cylindrical Hole on that with an appropriate guide approach corresponds to the rotor cup.

Die in den Ansprüchen 5 und 6 beschriebenen Merkmale ergeben eine nahezu spielfreie, leicht lösbare Verdrehsicherung, die außerdem kostengünstig zu fertigen ist.The features described in claims 5 and 6 result an almost play-free, easily detachable anti-twist device, the is also inexpensive to manufacture.

Weitere Einzelheiten der Erfindung sind einem nachfolgend anhand der Zeichnungen erläuterten Ausführungsbeispiel entnehmbar.Further details of the invention are as follows exemplary embodiment explained with reference to the drawings removable.

Es zeigt:

Fig. 1
eine Seitenansicht einer Offenend-Spinnvorrichtung mit einem einzelmotorisch angetriebenen, magnetisch gelagerten Spinnrotor, dessen Rotortasse über eine erfindungsgemäße Kupplungsvorrichtung mit dem Rotorschaft leicht lösbar verbunden ist,
Fig. 2
einen Spinnrotor, bei dem der Rotorschaft mit der Rotortasse über die erfindungsgemäße Kupplungsvorrichtung verbunden ist,
Fig. 3
den Spinnrotor gemäß Figur 2, wobei Rotortasse und Rotorschaft getrennt dargestellt sind,
Fig. 4
die erfindungsgemäße Kupplungsvorrichtung im Detail.
It shows:
Fig. 1
2 shows a side view of an open-end spinning device with a single-motor driven, magnetically mounted spinning rotor, the rotor cup of which is easily detachably connected to the rotor shaft via a coupling device according to the invention,
Fig. 2
a spinning rotor in which the rotor shaft is connected to the rotor cup via the coupling device according to the invention,
Fig. 3
2 the spinning rotor, the rotor cup and rotor shaft being shown separately,
Fig. 4
the coupling device according to the invention in detail.

In Figur 1 ist eine Offenend-Spinnvorrichtung 1 dargestellt, wie sie im Prinzip bekannt und beispielsweise in der EP 0 972 868 A2 relativ ausführlich beschrieben ist.1 shows an open-end spinning device 1, as known in principle and for example in the EP 0 972 868 A2 is described in some detail.

Solche Offenend-Spinnvorrichtungen 1 verfügen jeweils über ein Rotorgehäuse 2, in dem die Rotortasse 26 eines Spinnrotors 3 mit hoher Drehzahl umläuft.
Der Spinnrotor 3 wird dabei durch einen elektromotorischen Einzelantrieb 18 angetrieben und ist mit seinem Rotorschaft 4 in vorderen 27 und hinteren 28 Lagerstellen einer magnetischen Lageranordnung 5 fixiert, die den Spinnrotor 3 sowohl radial als auch axial abstützen.Such open-end spinning devices 1 each have a rotor housing 2, in which the rotor cup 26 of a spinning rotor 3 rotates at high speed.
The spinning rotor 3 is driven by an electromotive individual drive 18 and is fixed with its rotor shaft 4 in front 27 and rear 28 bearings of a magnetic bearing arrangement 5, which support the spinning rotor 3 both radially and axially.

Wie üblich, ist das an sich nach vorne hin offene Rotorgehäuse 2 während des Betriebes durch ein schwenkbar gelagertes Deckelelement 8, in das eine (nicht näher dargestellte) Kanalplatte eingelassen ist, verschlossen.
Das Rotorgehäuse 2 ist außerdem über eine entsprechende Pneumatikleitung 10 an eine Unterdruckquelle 11 angeschlossen, die den im Rotorgehäuse 2 notwendigen Spinnunterdruck erzeugt. Im Deckelelement 8 beziehungsweise in der Kanalplatte ist außerdem ein Kanalplattenadapter 12 angeordnet, der die Fadenabzugsdüse 13 sowie den Mündungsbereich des Faserleitkanales 14 aufweist. An die Fadenabzugsdüse 13 schließt sich ein Fadenabzugsröhrchen 15 an. Außerdem ist am Deckelelement 8, das um eine Schwenkachse 16 begrenzt drehbar gelagert ist, ein Auflösewalzengehäuse 17 festgelegt.As usual, the rotor housing 2, which is open towards the front, is closed during operation by a pivotably mounted cover element 8, into which a channel plate (not shown) is inserted.
The rotor housing 2 is also connected via a corresponding pneumatic line 10 to a vacuum source 11, which generates the spinning vacuum required in the rotor housing 2. In addition, a channel plate adapter 12 is arranged in the cover element 8 or in the channel plate, which has the thread take-off nozzle 13 and the mouth region of the fiber guide channel 14. A thread take-off tube 15 connects to the thread take-off nozzle 13. In addition, an opening roller housing 17 is fixed on the cover element 8, which is rotatably supported to a limited extent about a pivot axis 16.

Das Deckelelement 8 weist des weiteren rückseitige Lagerkonsolen 19, 20 zur Lagerung einer Auflösewalze 21 beziehungweise eines Faserbandeinzugszylinders 22 auf. Die Auflösewalze 21 wird dabei im Bereich ihres Wirtels 23 durch einen umlaufenden, maschinenlangen Tangentialriemen 24 angetrieben, während der (nicht dargestellte) Antrieb des Faserbandeinzugszylinders 22 vorzugsweise über eine Schneckengetriebeanordnung erfolgt, die auf eine maschinenlange Antriebswelle 25 geschaltet ist.The cover element 8 also has rear Bearing brackets 19, 20 for mounting an opening roller 21 or a sliver feed cylinder 22. The The opening roller 21 is in the region of its whorl 23 a circumferential, machine-long tangential belt 24 driven while the (not shown) drive the Sliver feed cylinder 22 preferably via a Worm gear arrangement takes place on a machine-long drive shaft 25 is switched.

In alternativer Ausführungsform können Auflösewalze 21 und/oder Faserbandeinzugszylinder 22 selbstverständlich auch jeweils über einen Einzelantrieb, beispielsweise einen Schrittmotor, angetrieben werden.In an alternative embodiment, opening roller 21 and / or sliver feed cylinder 22, of course each via a single drive, for example one Stepper motor.

Wie insbesondere in den Figuren 2 bis 4 dargestellt, ist die Rotortasse 26 des Spinnrotors 3 über eine Kupplungsvorrichtung 29 leicht lösbar mit dem Rotorschaft 4 des Spinnrotors 3 verbunden.As shown in particular in Figures 2 to 4, the Rotor cup 26 of the spinning rotor 3 over a Coupling device 29 easily detachable with the rotor shaft 4 of the spinning rotor 3 connected.

Die Kupplungsvorrichtung 29 besteht dabei im einzelnen aus einer Magneteinrichtung 30 und einer mechanischen Verdrehsicherung 31.
Das heißt, an der Rotortasse 26 ist ein, vorzugsweise wenigstens im Endbereich ferromagnetischer Ansatz 33 angeordnet, der in zwei etwa gleich lange Abschnitte 38, 36 aufgeteilt ist.
Ein an die Rotortasse 26 angrenzender Abschnitt ist dabei als zylindrischer Führungsansatz 38 ausgebildet, an den sich ein Außenmehrkant, vorzugsweise ein Außensechskant 36, anschließt.The coupling device 29 consists in detail of a magnetic device 30 and a mechanical anti-rotation device 31.
That is to say, a rotor magnet 33, preferably at least in the end region, is arranged on the rotor cup 26 and is divided into two sections 38, 36 of approximately the same length.
A section adjoining the rotor cup 26 is designed as a cylindrical guide projection 38, which is adjoined by an external polygon, preferably an external hexagon 36.

Im vorzugsweise rohrförmigen Rotorschaft 4 ist, über einen Preßsitz, eine Aufnahmehülse 34 festgelegt.In the preferably tubular rotor shaft 4 is, via a Press fit, a receiving sleeve 34 set.

Wie insbesondere in den Figuren 2 bis 4 dargestellt, weist die Aufnahmehülse 34 nicht nur den rotorseitigen Permanetmagnetring 39 der vorderen Lagerstelle 27 der Magnetlageranordnung 5 auf, sondern innerhalb der Aufnahmehülse 34 ist, drehfest, ein Innenmehrkant, vorzugsweise ein Innensechskant 35, sowie ein Permanentmagnet 32 festgelegt.
Die Aufnahmehülse 34 weist des weiteren eine zylindrische Bohrung 37 auf, die im Einbauzustand mit einem Führungsansatz 38 der Rotortasse 26 korrespondiert, das heißt, diesen Führungsansatz 38 spielfrei umschließt.As shown in particular in FIGS. 2 to 4, the receiving sleeve 34 not only has the permanent magnet ring 39 on the rotor side of the front bearing 27 of the magnetic bearing arrangement 5, but is, within the receiving sleeve 34, non-rotatable, an internal polygon, preferably an internal hexagon 35, and a permanent magnet 32 fixed.
The receiving sleeve 34 also has a cylindrical bore 37 which, in the installed state, corresponds to a guide shoulder 38 of the rotor cup 26, that is to say surrounds this guide shoulder 38 without play.

Wie insbesondere aus Fig.2 ersichtlich bilden im Einbauzustand der Außensechskant 36 an der Rotortasse 26 und der Innensechskant 35 in der Aufnahmehülse 34 eine formschlüssige Verdrehsicherung, während die axiale Arretierung der Rotortasse 26 am Rotorschaft 4 über die vom Permanentmagnet 32 ausgehenden Magnetkräfte erfolgt, die den ferromagnetischen Ansatz 33 der Rotortasse 26 beaufschlagen.As can be seen in particular from FIG. 2, form in the installed state the external hex 36 on the rotor cup 26 and the Hexagon socket 35 in the receiving sleeve 34 a positive Anti-rotation device, while the axial locking of the Rotor cup 26 on rotor shaft 4 via that of permanent magnet 32 outgoing magnetic forces takes place that the ferromagnetic Apply approach 33 to the rotor cup 26.

Claims (6)

Offenend-Spinnrotor, der mit seinem Rotorschaft in einer Spinnrotorlagerung abgestützt ist und dessen Rotorschaft und einer Rotortasse über eine Kupplungsvorrichtung so lösbar verbunden ist, daß der Rotorschaft bei einem Ausbau der Rotortasse in der Spinnrotorlagerung eingebaut bleibt,
dadurch gekennzeichnet, daß die Kupplungsvorrichtung (29) aus einer Magneteinrichtung (30) zur axialen Arretierung von Rotorschaft (4) und Rotortasse (26) und einer mechanischen Verdrehsicherung (31) besteht.Open-end spinning rotor, which is supported with its rotor shaft in a spinning rotor bearing and whose rotor shaft and a rotor cup are releasably connected via a coupling device so that the rotor shaft remains installed in the spinning rotor bearing when the rotor cup is removed,
characterized in that the coupling device (29) consists of a magnetic device (30) for axially locking the rotor shaft (4) and rotor cup (26) and a mechanical anti-rotation device (31). Offenend-Spinnrotor nach Anspruch 1, dadurch gekennzeichnet, daß die Magneteinrichtung (30) einen am Rotorschaft (4) festgelegten Permanentmagnet (32) und einen ferromagnetischen Ansatz (33) an der Rotortasse (26) umfaßt.Open-end spinning rotor according to claim 1, characterized in that the magnet device (30) comprises a permanent magnet (32) fixed to the rotor shaft (4) and a ferromagnetic shoulder (33) on the rotor cup (26). Offenend-Spinnrotor nach Anspruch 2, dadurch gekennzeichnet, daß der Permanentmagnet (32) in einer rotationssymmetrischen Aufnahmehülse (34) angeordnet ist, die drehfest mit dem Rotorschaft (4) verbunden ist.Open-end spinning rotor according to claim 2, characterized in that the permanent magnet (32) is arranged in a rotationally symmetrical receiving sleeve (34) which is non-rotatably connected to the rotor shaft (4). Offenend-Spinnrotor nach Anspruch 3, dadurch gekennzeichnet, daß die Aufnahmehülse (34) über einen Preßsitz am rohrförmigen Rotorschaft (4) festgelegt ist. Open-end spinning rotor according to claim 3, characterized in that the receiving sleeve (34) is fixed on the tubular rotor shaft (4) via a press fit. Offenend-Spinnrotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß in der Aufnahmehülse (34) ein Innenmehrkant (35) angeordnet ist, der im Einbauzustand mit einem entsprechenden Außenmehrkant (36) an der Rotortasse (26) korrespondiert.Open-end spinning rotor according to one of the preceding claims, characterized in that an inner polygon (35) is arranged in the receiving sleeve (34), which corresponds to a corresponding outer polygon (36) on the rotor cup (26) in the installed state. Offenend-Spinnrotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß die Aufnahmehülse (34) über eine zylindrische Bohrung (37) verfügt, die im Einbauzustand einen entsprechenden, an der Rotortasse (26) angeordneten Führungsansatz (38) umschließt.Open-end spinning rotor according to one of the preceding claims, characterized in that the receiving sleeve (34) has a cylindrical bore (37) which, in the installed state, surrounds a corresponding guide projection (38) arranged on the rotor cup (26).
EP01102897A 2000-05-16 2001-02-15 Open-end spinning rotor Expired - Lifetime EP1156142B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10024020 2000-05-16
DE10024020A DE10024020A1 (en) 2000-05-16 2000-05-16 Open-end spinning rotor

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EP1156142A1 true EP1156142A1 (en) 2001-11-21
EP1156142B1 EP1156142B1 (en) 2004-04-21

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US (1) US6863466B2 (en)
EP (1) EP1156142B1 (en)
CZ (1) CZ300226B6 (en)
DE (2) DE10024020A1 (en)
TR (1) TR200400888T4 (en)

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WO2007079794A1 (en) * 2005-12-23 2007-07-19 Oerlikon Textile Gmbh & Co. Kg Open-end spinning rotor for textile machine producing cross-wound packages
CN103245333A (en) * 2013-05-09 2013-08-14 浙江理工大学 Measurement device for yarn movement in shear flow field in high-speed spinning cup
US8875482B2 (en) 2012-04-28 2014-11-04 Saurer Germany Gmbh & Co. Kg Open-end spinning rotor
CN104846489A (en) * 2014-02-15 2015-08-19 索若德国两合股份有限公司 Open-end spinning rotor
CN103806144B (en) * 2012-11-10 2017-04-26 索若德国两合股份有限公司 Open-end spinning rotor
EP3249085A3 (en) * 2016-05-24 2017-12-20 Rieter Ingolstadt GmbH Rotor shaft for a spinning rotor and spinning rotor with contactless mounting in a magnetic bearing assembly
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DE10326849A1 (en) * 2003-06-14 2004-12-30 Saurer Gmbh & Co. Kg Spinning rotor for an open-end rotor spinning device
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DE102006030187A1 (en) * 2006-06-30 2008-01-10 Oerlikon Textile Gmbh & Co. Kg Bearing device for a spinning rotor
DE102007007260B4 (en) 2007-02-14 2022-04-28 Saurer Spinning Solutions Gmbh & Co. Kg Spinning rotor for an open-end spinning device
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US8182409B2 (en) * 2008-09-09 2012-05-22 The Western States Machine Company Centrifuge comprising magnetically coupled rotating basket
DE102009012550A1 (en) * 2009-03-10 2010-09-16 Oerlikon Textile Gmbh & Co. Kg Open-end spinning device has spinning rotor, whose rotor cup is run with high driving speed in rotor housing, which is negatively pressurized during spinning process
DE102009048295A1 (en) 2009-10-05 2010-07-29 Oerlikon Textile Gmbh & Co. Kg Open-end spinning rotor for use in textile industry, has spring element that is stretched during insertion of stub into borehole such that element transfers torque from shaft to cup, where element is detachably connected with cup and shaft
US8292150B2 (en) 2010-11-02 2012-10-23 Tyco Healthcare Group Lp Adapter for powered surgical devices
US9127513B2 (en) 2011-10-19 2015-09-08 Pengo Corporation Variable geometry auger coupler
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815182A1 (en) * 1988-05-04 1989-11-16 Wolfgang Grahamer Spinning rotor
DE4342539A1 (en) * 1993-12-14 1995-06-22 Skf Textilmasch Komponenten Shaftless rotor for open end spinning
EP0808923A1 (en) * 1996-05-25 1997-11-26 Rieter Ingolstadt Spinnereimaschinenbau AG Open-end spinning rotor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750828A (en) * 1956-06-19 Le roy j
DE972868C (en) 1942-08-29 1959-10-15 Duesterloh Fabrik Fuer Bergwer Drive device for reciprocating conveyors, e.g. B. scraper chains, especially for mining operations
FR982770A (en) 1948-03-11 1951-06-14 Crown Cork Company Ltd Improvements to labeling machines
US2550775A (en) * 1949-07-13 1951-05-01 Wade Stevenson Magnetic screw driver
DE835675C (en) * 1950-12-02 1952-04-03 Deutsche Edelstahlwerke Ag Claw coupling, driver coupling or the like.
US3574374A (en) * 1969-01-16 1971-04-13 Orthopedic Equipment Co Surgical instrument
DE3835037A1 (en) * 1988-10-14 1990-04-19 Schurr Stahlecker & Grill Open-end spinning rotor
US5293921A (en) * 1990-02-07 1994-03-15 Norbert Marocco Coupling and transmission mechanism for window covering assembly
US5522606A (en) * 1994-09-07 1996-06-04 Chicago Pneumatic Tool Company Retainer for a pneumatic tool
DE19613148A1 (en) * 1996-04-03 1997-10-09 Alfa Laval Flow Gmbh Rotary lobe pump with magnetic rotor holder
DE19617527A1 (en) * 1996-05-02 1997-11-13 Schlafhorst & Co W OE=spinning rotor case sealed tight by quick=release fibre duct disc
DE19618027A1 (en) 1996-05-04 1997-11-06 Rieter Ingolstadt Spinnerei Simple, cost effectively made rugged open end spinning rotor
US5967693A (en) * 1997-06-09 1999-10-19 Clark Equipment Company Adapters for auger drive shaft
DE19827606A1 (en) * 1998-06-20 1999-12-23 Schlafhorst & Co W Non-contact bearing for open-end spinning rotor shaft with magnetic axial bearing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3815182A1 (en) * 1988-05-04 1989-11-16 Wolfgang Grahamer Spinning rotor
DE4342539A1 (en) * 1993-12-14 1995-06-22 Skf Textilmasch Komponenten Shaftless rotor for open end spinning
EP0808923A1 (en) * 1996-05-25 1997-11-26 Rieter Ingolstadt Spinnereimaschinenbau AG Open-end spinning rotor

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007079794A1 (en) * 2005-12-23 2007-07-19 Oerlikon Textile Gmbh & Co. Kg Open-end spinning rotor for textile machine producing cross-wound packages
CN101316957B (en) * 2005-12-23 2011-01-12 欧瑞康纺织有限及两合公司 Open-end spinning rotor for textile machine producing cross-wound packages
EP1966421B2 (en) † 2005-12-23 2020-07-29 Saurer Spinning Solutions GmbH & Co. KG Open-end spinning rotor for textile machine producing cross-wound packages
US8875482B2 (en) 2012-04-28 2014-11-04 Saurer Germany Gmbh & Co. Kg Open-end spinning rotor
CN103806144B (en) * 2012-11-10 2017-04-26 索若德国两合股份有限公司 Open-end spinning rotor
CN103245333A (en) * 2013-05-09 2013-08-14 浙江理工大学 Measurement device for yarn movement in shear flow field in high-speed spinning cup
CN103245333B (en) * 2013-05-09 2015-04-22 浙江理工大学 Measurement device for yarn movement in shear flow field in high-speed spinning cup
CN104846489A (en) * 2014-02-15 2015-08-19 索若德国两合股份有限公司 Open-end spinning rotor
CN104846489B (en) * 2014-02-15 2017-12-12 索若德国两合股份有限公司 Open-end spinning rotors
EP3249085A3 (en) * 2016-05-24 2017-12-20 Rieter Ingolstadt GmbH Rotor shaft for a spinning rotor and spinning rotor with contactless mounting in a magnetic bearing assembly
EP3626870A1 (en) 2018-09-20 2020-03-25 Saurer Spinning Solutions GmbH & Co. KG Spinning rotor and holder for rotating a rotor socket of a spinning rotor, method for producing a press-fit connection between a rotor socket and a holder

Also Published As

Publication number Publication date
TR200400888T4 (en) 2004-06-21
US6863466B2 (en) 2005-03-08
DE50102028D1 (en) 2004-05-27
EP1156142B1 (en) 2004-04-21
CZ300226B6 (en) 2009-03-25
DE10024020A1 (en) 2001-11-22
CZ20011710A3 (en) 2002-01-16
US20020006830A1 (en) 2002-01-17

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