EP0651081A1 - Spindle for a spinning machine, in particular for a ring spinning machine - Google Patents

Spindle for a spinning machine, in particular for a ring spinning machine Download PDF

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Publication number
EP0651081A1
EP0651081A1 EP94114691A EP94114691A EP0651081A1 EP 0651081 A1 EP0651081 A1 EP 0651081A1 EP 94114691 A EP94114691 A EP 94114691A EP 94114691 A EP94114691 A EP 94114691A EP 0651081 A1 EP0651081 A1 EP 0651081A1
Authority
EP
European Patent Office
Prior art keywords
spinning machine
spindle
cord
area
ramparts
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
EP94114691A
Other languages
German (de)
French (fr)
Other versions
EP0651081B1 (en
Inventor
Peter Mann
Jakob Bothner
Frieder Probst
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
Zinser Textilmaschinen GmbH
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 Zinser Textilmaschinen GmbH filed Critical Zinser Textilmaschinen GmbH
Publication of EP0651081A1 publication Critical patent/EP0651081A1/en
Application granted granted Critical
Publication of EP0651081B1 publication Critical patent/EP0651081B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H1/00Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14Details
    • D01H1/38Arrangements for winding reserve lengths of yarn on take-up packages or spindles, e.g. transfer tails
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S29/00Metal working
    • Y10S29/023Method or apparatus with knurling
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S72/00Metal deforming
    • Y10S72/703Knurling

Abstract

The invention relates to a spindle for a spinning machine, in particular a ring-spinning machine, with an under-winding region 2 provided with a knurling 3. The knurling 3 consists of depressions 10 which are worked into the under-winding region 2 and which are separated from one another by ridges 11 having level crests 12. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Spindel für eine Spinnmaschine, insbesondere eine Ringspinnmaschine, mit einem mit einer Kordelung versehenen Unterwindebereich.The invention relates to a spindle for a spinning machine, in particular a ring spinning machine, with an underwind area provided with a cord.

Es zählt zum Stand der Technik, die Kordelung des Unterwindebereichs einer Spindel durch Walzen herzustellen. Dabei wird bisher die beispielsweise auch an Unterriemchen-Walzen eingesetzte Kordelung verwendet, bei welcher eine Kordelwalze pyramidenförmige Vertiefungen zwischen Graten aufweist. Die im Unterwindebereich einer Spindel erzeugte Kordelung besteht demgemäß aus pyramidenförmigen, durch Täler voneinander getrennten Spitzen.It is part of the state of the art to manufacture the underwinding area of a spindle by rolling. So far, the cords used, for example, on bottom apron rollers, in which a cord roller has pyramid-shaped depressions between ridges. The cord created in the downwind area of a spindle accordingly consists of pyramid-shaped tips separated by valleys.

Es hat sich nun in der Praxis herausgestellt, daß ein Faden, welcher auf den Unterwindebereich aufgewunden wird, sich bevorzugt in diese Täler einlegt, in denen er durch ein Trennwerkzeug, beispielsweise Frässchneiden, mittels dessen er zerstört werden soll, nicht oder nur unzureichend erreichbar ist.It has now been found in practice that a thread which is wound onto the underwind area preferably lies in these valleys, in which it cannot be reached or can only be reached inadequately by a separating tool, for example milling cutting, by means of which it is to be destroyed .

Entsprechend liegt der vorliegenden Erfindung die Aufgabe zugrunde, einen Unterwindebereich einer Spindel für eine Spinnmaschine, insbesondere einer Ringspinnmaschine so zu gestalten, daß der auf den Unterwindebereich aufgewundene Faden besser vom Trennwerkzeug erreicht werden kann.Accordingly, the present invention is based on the object of designing an underwinding area of a spindle for a spinning machine, in particular a ring spinning machine, in such a way that the thread wound on the underwinding area can be better reached by the cutting tool.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Kordelung aus in den Unterwindebereich eingearbeiteten Vertiefungen besteht, welche durch Wälle mit ebenen Kronen voneinander getrennt sind. Hierdurch ergibt sich der Vorteil, daß der auf dem Unterwindebereich aufgewundene Faden immer auf diesen Wällen aufliegt. Hierbei können die Vertiefungen allseitig durch Wälle begrenzt sein, d.h. es liegen sich kreuzende Wälle vor. Alternativ besteht auch die Möglichkeit von im wesentlichen achsparallelen Vertiefungen.This object is achieved in that the cord consists of recesses machined into the underwind area, which are separated from one another by ramparts with flat crowns. This has the advantage that the thread wound on the underwind area always rests on these walls. The depressions can be delimited on all sides by ramparts, i.e. there are intersecting ramparts. Alternatively, there is also the possibility of essentially axially parallel depressions.

Da vorteilhafterweise die Höhe der Wälle einheitlich ist, kann der Abstand des Trennwerkzeuges zum gekordelten Umfang auf die Krone dieser Wälle eingestellt werden. Damit wird der Faden dem Einwirkungsbereich des Trennwerkzeugs auf der Krone der Wälle dargeboten und kann dem Einwirkungsbereich dieses Werkzeuges nicht mehr ausweichen.Since the height of the ramparts is advantageously uniform, the distance of the separating tool to the corded circumference can be adjusted to the crown of these ramparts. The thread is thus presented to the area of action of the separating tool on the crown of the ramparts and can no longer avoid the area of action of this tool.

In weiterer Ausgestaltung der Erfindung können die Vertiefungen pyramidenförmig ausgebildet sein. Weiterhin kann die Kordelung durch Drehen oder Schleifen überarbeitet werden. Hierdurch wird erreicht, daß der Rundlauf, welcher beim Walzen fertigungsbedingt bisweilen ungenügend ist, eine Verbesserung erfährt und damit einen geringeren Einstellabstand zwischen beispielsweise den Frässchneiden des Trennwerkzeuges und dem Kordelungsumfang im Unterwindebereich der Spindel zuläßt. Weiterhin wird durch das Überdrehen oder Überschleifen bewirkt, daß die Wälle scharfe Kronenkanten erhalten, welche den aufliegenden Faden sicher halten, d.h. die wünschenswert wenigen Unterwindungen beim Kopswechsel gegen Abziehen sichern.In a further embodiment of the invention, the depressions can be pyramid-shaped. The cord can also be revised by turning or grinding. This ensures that the concentricity, which is sometimes insufficient during production due to production, is improved and thus allows a smaller adjustment distance between, for example, the milling cutters of the cutting tool and the amount of cord in the underwind area of the spindle. Furthermore, the overturning or smoothing has the effect that the ramparts are given sharp crown edges which hold the thread lying on securely, i.e. secure the desirable few underwinds when removing the cop against pulling off.

Die Erfindung wird nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher beschrieben. In der Zeichnung zeigen:

Fig. 1
eine schematische Seitenansicht des Unterwindebereichs einer Spindel, teils gebrochen;
Fig. 2
eine perspektivische Ansicht des mit Vertiefungen versehenen Unterwindebereichs in ebener Darstellung;
Fig. 3
einen Schnitt gemäß der Linie III-III in Fig. 2;
Fig. 4
einen Schnitt gemäß der Linie IV-IV in Fig. 2;
Fig. 5
einen Teilschnitt durch den Unterwindebereich der Spindel mit aufliegendem Faden in Draufsicht.
The invention is described below with reference to an embodiment shown in the drawing. The drawing shows:
Fig. 1
a schematic side view of the underwind area of a spindle, partly broken;
Fig. 2
a perspective view of the underwind area provided with depressions in a flat representation;
Fig. 3
a section along the line III-III in Fig. 2;
Fig. 4
a section along the line IV-IV in Fig. 2;
Fig. 5
a partial section through the underwind area of the spindle with the thread on top view.

In Fig. 1 ist schematisch in Seitenansicht eine Spindel 1 einer Spinnmaschine, insbesondere einer Ringspinnmaschine, dargestellt. Diese Spindel 1 ist mit einem Unterwindebereich 2 versehen, welcher in Form einer Kordelung 3 ausgebildet ist.In Fig. 1, a spindle 1 of a spinning machine, in particular a ring spinning machine, is shown schematically in side view. This spindle 1 is provided with an underwinding area 2, which is designed in the form of a cord 3.

Auf der Spindel 1 ist ein Kops 4 aufgesteckt, von welchem ein Faden 5 über einen Bund 6 zum Unterwindebereich 2 läuft und dort in einigen Fadenlagen 7 aufgewunden ist. Mit Hilfe einer schematisch dargestellten Trennvorrichtung 8, welche in Pfeilrichtung gegen den Unterwindebereich 2 gedrückt wird, lassen sich die Fadenlagen 7 zerstören und fallen damit von Unterwindebereich 2 ab.A cop 4 is attached to the spindle 1, from which a thread 5 runs over a collar 6 to the underwind area 2 and is wound there in some thread layers 7. With the aid of a schematically illustrated separating device 8, which is pressed in the direction of the arrow against the underwind area 2, the thread layers 7 can be destroyed and thus fall from the underwind area 2.

Aus Fig. 2 geht hervor, daß die Kordelung 3 des Unterwindebereichs 2 aus Vertiefungen 10 besteht, welche durch Wälle 11 mit ebenen Kronen 12 voneinander getrennt sind. Diese Vertiefungen können beliebige Form aufweisen, vorzugsweise sind sie jedoch pyramidenförmig ausgebildet.From Fig. 2 it can be seen that the cord 3 of the underwind area 2 consists of depressions 10 which are separated from one another by ramparts 11 with flat crowns 12. These depressions can have any shape, but they are preferably pyramid-shaped.

Fig. 3 zeigt einen Schnitt gemäß der Linie III-III in Fig. 2. Wie ersichtlich, liegen die einzelnen Fäden 5 auf den ebenen Kronen 12 der Wälle 11 und können sich infolge dieser speziellen Konfiguration der Kordelung 3 des Unterwindebereichs 2 nicht in den Vertiefungen 10 einlagern.Fig. 3 shows a section along the line III-III in Fig. 2. As can be seen, the individual threads 5 lie on the flat crowns 12 of the ramparts 11 and due to this special configuration of the cord 3 of the underwind area 2 cannot lie in the depressions 10 store.

Aus Fig. 4 geht die Form der Vertiefungen 10 im Schnitt vor. Diese Vertiefungen sind, wie vorstehend ausgeführt, durch Wälle 11 mit ebenen Kronen 12 voneinander getrennt. Hierbei ist die Höhe der Wälle 11 vorteilhafterweise einheitlich. Die Kordelung 3 kann durch Drehen oder Schleifen überarbeitet werden, woraus eine Verbesserung des Rundlaufs resultiert und damit das Trennwerkzeug 8 näher an den Umfang der Kordelung 3 im Unterwindebereich 2 herangefahren werden kann.The shape of the depressions 10 is shown in FIG. 4 in section. As explained above, these depressions are separated from one another by walls 11 with flat crowns 12. Here, the height of the ramparts 11 is advantageously uniform. The cord 3 can be revised by turning or grinding, which results in an improvement in concentricity and thus the separating tool 8 can be moved closer to the circumference of the cord 3 in the underwind area 2.

Fig. 5 läßt erkennen, daß analog Fig. 3 der Faden 5 im allgemeinen nur auf den ebenen Kronen 12 der Wälle 11 aufliegt und keine Möglichkeit besteht, sich in den Vertiefungen 10 einzulagern. Ein nicht näher dargestelltes Werkzeug zur Herstellung des Unterwindebereichs 2 mit Vertiefungen 10 besteht aus einer Kordelwalze mit pyramidenförmigen Spitzen, welche durch Gräben mit ebenen Grabensohlen voneinander getrennt sind. Durch diese Gestaltung der Kordelwalze mit pyramidenförmigen, durch Gräben mit ebenen Grabensohlen voneinander getrennten Spitzen wird die in Fig. 2 schematisch dargestellte Form der Kordelung 3 des Unterwindebereichs 2 erzeugt.FIG. 5 shows that, analogously to FIG. 3, the thread 5 generally rests only on the flat crowns 12 of the ramparts 11 and there is no possibility of being embedded in the depressions 10. A tool, not shown, for producing the underwinding area 2 with depressions 10 consists of a cord roller with pyramid-shaped tips, which are separated from one another by trenches with flat trench soles. This design of the cord roller with pyramid-shaped tips separated from one another by trenches with flat trench soles produces the shape of the cord 3 of the underwinding area 2 shown schematically in FIG. 2.

Claims (5)

Spindel für eine Spinnmaschine, insbesondere eine Ringspinnmaschine, mit einem mit einer Kordelung versehenen Unterwindebereich,
dadurch gekennzeichnet,
daß die Kordelung (3) aus in den Unterwindebereich (2) eingearbeiteten Vertiefungen (10) besteht, welche durch Wälle (11) mit ebenen Kronen (12) voneinander getrennt sind.
Spindle for a spinning machine, in particular a ring spinning machine, with an underwind area provided with a cord,
characterized,
that the cord (3) consists of recesses (10) machined into the underwind area (2), which are separated from one another by ramparts (11) with flat crowns (12).
Spindel nach Anspruch 1,
dadurch gekennzeichnet,
daß die Vertiefungen (10) pyramidenförmig ausgebildet sind.
Spindle according to claim 1,
characterized,
that the depressions (10) are pyramid-shaped.
Spindel nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Höhe der Wälle (11) einheitlich ist.
Spindle according to claim 1 or 2,
characterized,
that the height of the ramparts (11) is uniform.
Spindel nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß die Kordelung (3) durch Drehen oder Schleifen überarbeitet ist.
Spindle according to one of the preceding claims,
characterized,
that the cord (3) is revised by turning or grinding.
Werkzeug zur Herstellung des Unterwindebereichs für eine Spindel nach einem der vorhergehenden Ansprüche, bestehend aus einer Kordelwalze mit pyramidenförmigen Spitzen, welche durch Gräben mit ebenen Grabensohlen voneinander getrennt sind.Tool for producing the underwinding area for a spindle according to one of the preceding claims, consisting of a cord roller with pyramid-shaped tips, which are separated from one another by trenches with flat trench soles.
EP94114691A 1993-10-29 1994-09-19 Spindle for a spinning machine, in particular for a ring spinning machine Expired - Lifetime EP0651081B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4337100A DE4337100C1 (en) 1993-10-29 1993-10-29 Spindle for a spinning machine, in particular a ring spinning machine
DE4337100 1993-10-29

Publications (2)

Publication Number Publication Date
EP0651081A1 true EP0651081A1 (en) 1995-05-03
EP0651081B1 EP0651081B1 (en) 1997-11-19

Family

ID=6501429

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94114691A Expired - Lifetime EP0651081B1 (en) 1993-10-29 1994-09-19 Spindle for a spinning machine, in particular for a ring spinning machine

Country Status (4)

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US (1) US5581989A (en)
EP (1) EP0651081B1 (en)
JP (1) JP3442497B2 (en)
DE (2) DE4337100C1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5975987A (en) * 1995-10-05 1999-11-02 3M Innovative Properties Company Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article
DE19601035A1 (en) * 1996-01-13 1997-07-17 Stahlecker Fritz Upper part of a spindle for use in spinning or twisting machines
DE19755971B4 (en) * 1997-05-06 2007-01-04 Maschinenfabrik Rieter Ag spinning device
US5946991A (en) 1997-09-03 1999-09-07 3M Innovative Properties Company Method for knurling a workpiece
DE19904793C1 (en) * 1999-02-05 2000-08-03 Zinser Textilmaschinen Gmbh Yarn clamp for base of ring spindle has surface structure to improve grip, e.g. serrations
US6435436B1 (en) 2000-03-28 2002-08-20 Sonoco Development, Inc. Yarn carrier having an annular recess containing markings for yarn identification
CN103114357B (en) * 2013-03-08 2015-10-07 柳州华晟纺织有限公司 Polished rod spindle cutting device

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JPS55132722A (en) * 1979-12-19 1980-10-15 Toyoda Autom Loom Works Ltd Method of fitting cutter for tail yarn to spinning frame
JPS6021923A (en) * 1983-07-15 1985-02-04 Toyoda Autom Loom Works Ltd Rotary clip of spindle
DE9017627U1 (en) * 1990-07-14 1991-05-16 Zinser Textilmaschinen Gmbh, 7333 Ebersbach, De

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Publication number Priority date Publication date Assignee Title
DE2461621A1 (en) * 1973-12-27 1975-07-24 Toyoda Automatic Loom Works CUTTING DEVICE FOR TEXTILE MACHINERY
JPS55132722A (en) * 1979-12-19 1980-10-15 Toyoda Autom Loom Works Ltd Method of fitting cutter for tail yarn to spinning frame
JPS6021923A (en) * 1983-07-15 1985-02-04 Toyoda Autom Loom Works Ltd Rotary clip of spindle
DE9017627U1 (en) * 1990-07-14 1991-05-16 Zinser Textilmaschinen Gmbh, 7333 Ebersbach, De

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Also Published As

Publication number Publication date
DE59404625D1 (en) 1998-01-02
JP3442497B2 (en) 2003-09-02
US5581989A (en) 1996-12-10
DE4337100C1 (en) 1995-04-20
EP0651081B1 (en) 1997-11-19
JPH07150425A (en) 1995-06-13

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