EP1855975B1 - Method for winding a filamentary material onto a spool - Google Patents

Method for winding a filamentary material onto a spool Download PDF

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Publication number
EP1855975B1
EP1855975B1 EP06723290A EP06723290A EP1855975B1 EP 1855975 B1 EP1855975 B1 EP 1855975B1 EP 06723290 A EP06723290 A EP 06723290A EP 06723290 A EP06723290 A EP 06723290A EP 1855975 B1 EP1855975 B1 EP 1855975B1
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EP
European Patent Office
Prior art keywords
winding
spool
flange
filamentary material
coil
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Not-in-force
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EP06723290A
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German (de)
French (fr)
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EP1855975A1 (en
Inventor
Manfred Häfner
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Haefner and Krullmann GmbH
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Haefner and Krullmann GmbH
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Publication of EP1855975A1 publication Critical patent/EP1855975A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B65H55/04—Wound packages of filamentary material characterised by method of winding

Definitions

  • the invention relates to a method for winding a coil with stranded winding material, which coil consists of two conically converging to a central radial plane coil halves with two flange at the outer ends, wherein during the winding process, the coil is rotated about its central axis and the winding material with the help of a the length of the coil is fed movable guide.
  • BE-A3-1 000 634 shows a bobbin with flat lower disc and conically upwardly ascending upper cover piece, in which between the flat lower disc and the conical upper cover piece a coil is built up. The winding receives an upwardly tapered conical shape.
  • the coils can be arranged standing in the removal of the winding material, and the winding material is pulled upwards.
  • the spool does not rotate.
  • the winding material is first deflected by the upper flange and guided to the region of the elongated central axis and passed here via a guide device, through which the winding material can be removed. Due to the fact that the Wikkelgut must be deflected by the upper flange, it can cause excessive friction and possibly damage to the winding material to rupture come. Therefore, it is desirable that the winding core in the upper region has the largest possible diameter, which allows a less sharp deflection of the winding material during removal. The rule here is that the ratio of flange diameter to core diameter must not exceed 2: 1.
  • coils are often preferred, which consist of two counter-rotating to the center coil halves or coil parts, which are the basis of the present invention.
  • Such coils such as from the DE 4001250 A1 are known, can be divided in a central radial plane, and the resulting coil parts are the same and stackable with each other.
  • the invention has for its object to provide a method for winding a coil, the winding core is formed as a retracted to a radial center plane double cone, in which the individual windings of the winding material neither slip down, nor when removing the Wikkelgutes up to one Sharp deflection at the edge of the upper flange suffer, if the container is to stand on one of the flanges, thus with the axis of rotation vertically.
  • the method according to the invention is characterized in that the winding material is wound in layers substantially parallel to the lower cone surface first to each against the upper cone surface and the inner surface of the lower flange and that the winding layers in each case in the handling of the two flanges connecting cylinder surface, on the other hand on the inner surface of the upper flange are terminated.
  • a coil used in the invention has a number of advantages. Due to the folding to the radial center plane generatrix, the requirements that have to be considered in a standing withdrawal by deduction from above, meet with relatively simple winding technology. Particular advantages arise when it is a coil which is divided in the radial center plane into two identical halves, which can be stacked apart. In such split bobbins, the resulting stack is relatively small in size and accordingly handy, and it should also be noted that the required injection molds for the relatively small bobbin halves of the present invention can be manufactured at a lower cost and reduce overall tooling expense ,
  • a coil is illustrated which comprises two converging to a central radial plane 10, conical coil halves 12,14 which diverge outwardly frustoconical and are closed by flange 16,18.
  • the individual layers of the winding are first applied back and forth on the lower winding core part. These layers each extend between the inner surface of the lower flange plate 18 and the peripheral surface of the upper winding core portion 12, as shown in FIG Fig. 1 is illustrated.
  • the individual layers end in the course in an outer, cylindrical lateral surface 20, which connects the two flange discs 16 and 18 substantially in the peripheral region, and on the other hand on the inner surface of the upper flange 16. In each case, the individual layers are constantly back and forth filed down.
  • This embodiment is relatively simple.

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  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Winding Of Webs (AREA)

Abstract

A method for winding a skein-shaped windable product onto a spool formed of two spool halves (12, 14) which converge conically towards a middle radial plane (10) with two flange discs (16, 18) at the outer ends, includes the steps of rotating the spool about its central axis during the winding process, and feeding the windable product by a guide that moves along the length of the spool. There is further step of winding the windable product in layers substantially parallel to the lower conical surface up to the top conical surface, and the winding layers end respectively in a cylindrical surface connecting the circumference of the two flange discs (16, 18).

Description

Die Erfindung betrifft ein Verfahren zum Bewickeln einer Spule mit strangförmigem Wickelgut, welche Spule aus zwei konisch zu einer mittleren Radialebene zusammenlaufenden Spulenhälften mit zwei Flanschscheiben an den äußeren Enden besteht, wobei beim Wickelvorgang die Spule um ihre Mittelachse gedreht wird und das Wickelgut mit Hilfe einer über die Länge der Spule verfahrbaren Führung zugeführt wird.The invention relates to a method for winding a coil with stranded winding material, which coil consists of two conically converging to a central radial plane coil halves with two flange at the outer ends, wherein during the winding process, the coil is rotated about its central axis and the winding material with the help of a the length of the coil is fed movable guide.

Verfahren zum Bewickeln von Spulen mit einem strangförmigen Wickelgut sind in vielfacher Form bekannt. Als Beispiel kann die DE 38 44 964 C2 genannt werden, die weitere Nachweise zum Stand der Technik enthält, etwa die EP 29 971 A1 oder die EP 241 961 A2 . Erwähnenswert ist im vorliegenden Zusammenhang auch die EP 672 016 B2 . Diese letztgenannte Schrift beschreibt eine Spule mit einem konischen Wickelkern und zwei Flanschscheiben an den Enden. Wenigstens die Flanschscheibe auf der Seite kleineren Durchmessers ist von dem Wickelkern abnehmbar.Process for winding coils with a strand-shaped winding material are known in many forms. As an example, the DE 38 44 964 C2 which contains further evidence of the prior art, such as EP 29 971 A1 or the EP 241 961 A2 , Worth mentioning is in the present context, the EP 672 016 B2 , This latter document describes a coil with a conical winding core and two flange discs at the ends. At least the flange on the smaller diameter side is detachable from the winding core.

Im weiteren Sinne relevant ist auch die BE-A3-1 000 634 . Diese Druckschrift zeigt einen Spulenkörper mit flacher unterer Scheibe und konisch nach oben aufsteigendem oberen Deckstück, bei dem zwischen der ebenen unteren Scheibe und dem konischen oberen Deckstück eine Wicklung aufgebaut wird. Die Wicklung erhält eine sich nach oben verjüngende konische Form.In a broader sense also relevant is the BE-A3-1 000 634 , This document shows a bobbin with flat lower disc and conically upwardly ascending upper cover piece, in which between the flat lower disc and the conical upper cover piece a coil is built up. The winding receives an upwardly tapered conical shape.

Aus praktischen Gründen müssen bei der Gestaltung von Spulen der genannten Art sowie des zugehörigen Wickelverfahrens einige Anforderungen berücksichtigt werden, die sich vor allem beim Abwickeln des Wickelgutes an der Verarbeitungsstelle ergeben. So können z.B. die Spulen bei der Entnahme des Wickelgutes stehend anbeordnet, und das Wickelgut wird nach oben abgezogen. Die Spule dreht sich dabei nicht. Dabei wird das Wickelgut zunächst durch den oberen Flansch umgelenkt und zum Bereich der verlängerten Mittelachse geführt und hier über eine Führungseinrichtung geleitet, über die das Wickelgut abgezogen werden kann. Aufgrund der Tatsache, dass das Wikkelgut durch den oberen Flansch umgelenkt werden muß, kann es zu starker Reibung und ggf. zur Beschädigung des Wickelgutes bis hin zum Zerreißen kommen. Daher wird angestrebt, dass der Wickelkern im oberen Bereich einen möglichst großen Durchmesser aufweist, der eine weniger scharfe Umlenkung des Wickelgutes beim Abziehen ermöglicht. Hier gilt die Regel, dass das Verhältnis von Flanschdurchmesser zur Kerndurchmesser nicht über 2:1 liegen darf.For practical reasons, in the design of coils of the type mentioned and the associated winding method, some requirements must be taken into account, which arise especially when unwinding the winding material at the processing site. For example, the coils can be arranged standing in the removal of the winding material, and the winding material is pulled upwards. The spool does not rotate. In this case, the winding material is first deflected by the upper flange and guided to the region of the elongated central axis and passed here via a guide device, through which the winding material can be removed. Due to the fact that the Wikkelgut must be deflected by the upper flange, it can cause excessive friction and possibly damage to the winding material to rupture come. Therefore, it is desirable that the winding core in the upper region has the largest possible diameter, which allows a less sharp deflection of the winding material during removal. The rule here is that the ratio of flange diameter to core diameter must not exceed 2: 1.

Dem gegenüber steht der Wunsch nach einem großen Wickelvolumen, das durch einen möglichst kleinen Kerndurchmesser erreicht werden kann.In contrast, there is the desire for a large winding volume, which can be achieved by the smallest possible core diameter.

Ferner muß gewährleistet sein, dass der Vorgang des Abziehens des Wickelgutes unterbrochen werden kann, ohne dass die Gefahr besteht, dass das verbliebene Wickelgut auf dem Wickelkern nach unten herabrutscht. Dies könnte beispielsweise bei einem nach unten konisch zusammenlaufenden Wickelkern geschehen, der andererseits die Forderung erfüllen könnte, am oberen Ende einen Bereich großen Durchmessers vorzusehen. Die zuvor genannte EP 672 016 B2 schlägt daher ein Wickelverfahren vor, bei dem zwar ein stehender, nach unten konisch zusammenlaufender Wickelkern verwendet wird, das Wickelgut dagegen in entgegengesetzter Kegelform in von unten nach oben aufsteigenden Lagen abgelegt wird.Furthermore, it must be ensured that the process of removing the winding material can be interrupted without the risk that the remaining winding material on the winding core slides down. This could for example be done with a downwardly conically converging winding core, on the other hand, could meet the requirement to provide at the upper end of a range of large diameter. The aforementioned EP 672 016 B2 Therefore, proposes a winding method in which, although a stationary, down conically converging winding core is used, the winding material is stored in contrast opposite conical shape in ascending from bottom to top layers.

Damit werden die beiden zuvor genannten Anforderungen erfüllt, indem am oberen Ende des Wickelkerns ein große Durchmesser vorliegt und die Reibung bei der Umlenkung des Wickelgutes daher akzeptabel ist, während andererseits ein Herabrutschen des Wickelgutes beim Unterbrechen des Abzugsvorganges vermieden wird. Spulen der beschriebenen Art bieten auch die Möglichkeit, nach dem Entfernen des Flansches an der Seite kleineren Durchmessers die Spulen platzsparend zu stapeln, wenn sie leer transportiert und gelagert werden. Spulen dieser Art haben jedoch einige Nachteile, die sich beispielsweise aus der axialen Asymmetrie ergeben oder daraus, dass bei der Herstellung aus Kunststoff Werkzeuge beträchtlicher Größe notwendig sind. Ferner sind immer zwei verschiedene Teile notwendig, aus denen eine Spule besteht, und damit auch zwei Spritzgußwerkzeuge, wenn die Teile aus Kunststoff hergestellt werden. Es müssen auch immer zwei verschiedene Teile für eine Spule vorrätig sein. Aus diesen Gründen werden vielfach Spulen bevorzugt, die aus zwei gegenläufig zur Mitte zusammenlaufenden Spulenhälften oder Spulenteilen bestehen, die der vorliegenden Erfindung zugrunde liegen. Derartige Spulen, wie z.B. aus der DE 4001250 A1 bekannt, können in einer mittleren Radialebene geteilt werden, und die dadurch entstehenden Spulenteile sind gleich und miteinander stapelbar.Thus, the two aforementioned requirements are met by a large diameter is present at the upper end of the winding core and the friction in the deflection of the winding material is therefore acceptable, while on the other hand, a slipping of the winding material is avoided when interrupting the withdrawal process. Spools of the type described also offer the possibility of stacking the coils to save space after removal of the flange on the side of smaller diameter, when they are transported and stored empty. Coils of this type, however, have some disadvantages, such as those resulting from axial asymmetry, or the need for tools of considerable size to be made of plastic. Furthermore, always two different parts are necessary, which consists of a coil, and thus two injection molds, when the parts are made of plastic. There must always be two different parts for a coil in stock. For these reasons, coils are often preferred, which consist of two counter-rotating to the center coil halves or coil parts, which are the basis of the present invention. Such coils, such as from the DE 4001250 A1 are known, can be divided in a central radial plane, and the resulting coil parts are the same and stackable with each other.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zum Bewickeln einer Spule zu schaffen, deren Wickelkern als ein zu einer radialen Mittelebene eingezogener Doppelkonus ausgebildet ist, bei dem die einzelnen Wicklungen des Wicklungsgutes weder nach unten abrutschen, noch beim Abziehen des Wikkelgutes nach oben eine zu scharfe Umlenkung am Rand des oberen Flansches erleiden, sofern das Gebinde auf einem der Flansche, mithin mit der Drehachse vertikal stehen soll.The invention has for its object to provide a method for winding a coil, the winding core is formed as a retracted to a radial center plane double cone, in which the individual windings of the winding material neither slip down, nor when removing the Wikkelgutes up to one Sharp deflection at the edge of the upper flange suffer, if the container is to stand on one of the flanges, thus with the axis of rotation vertically.

Zur Lösung dieser Aufgabe ist das erfindungsgemäße Verfahren dadurch gekennzeichnet, dass das Wickelgut in Lagen im wesentlichen parallel zur unteren Konusfläche zunächst bis jeweils gegen die obere Konusfläche und die Innenfläche der unteren Flanschscheibe gewickelt wird und dass die Wickellagen im weiteren Verlauf jeweils in einer den Umgang der beiden Flansscheiben verbindenden Zylinderfläche, andererseits an der Innenfläche der oberen Flanschscheibe beendet werden.To solve this problem, the method according to the invention is characterized in that the winding material is wound in layers substantially parallel to the lower cone surface first to each against the upper cone surface and the inner surface of the lower flange and that the winding layers in each case in the handling of the two flanges connecting cylinder surface, on the other hand on the inner surface of the upper flange are terminated.

Nach außen hin werden die Wickel-Lagen jeweils abgebrochen und ggf. zum Ausgang zurückgeführt, wenn die Zylinderfläche erreicht ist, die die beiden Flanschscheiben verbindet.Outwardly the winding layers are each broken off and possibly returned to the output when the cylinder surface is reached, which connects the two flange discs.

Eine erfindungsgemäß verwendete Spule hat eine ganze Reihe von Vorteilen. Aufgrund der zu der radialen Mittelebene einknickenden Mantellinie lassen sich die Vorgaben, die bei einer stehenden Entnahme durch Abzug von oben zu berücksichtigen sind, mit relativ einfacher Wickeltechnik erfüllen. Besondere Vorteile ergeben sich, wenn es sich um eine Spule handelt, die in der radialen Mittelebene in zwei identische Hälften geteilt ist, die auseinander gestapelt werden können. Bei derart geteilten Spulen ist der entstehende Stapel von den Abmessungen relativ gering und entsprechend handlich, und es ist auch zu berücksichtigen, dass die benötigten Spritzgußformen für die relativ kleinen Spulenhälften gemäß der vorliegenden Erfindung mit geringeren Kosten hergestellt werden können und den Werkzeug-Aufwand insgesamt reduzieren.A coil used in the invention has a number of advantages. Due to the folding to the radial center plane generatrix, the requirements that have to be considered in a standing withdrawal by deduction from above, meet with relatively simple winding technology. Particular advantages arise when it is a coil which is divided in the radial center plane into two identical halves, which can be stacked apart. In such split bobbins, the resulting stack is relatively small in size and accordingly handy, and it should also be noted that the required injection molds for the relatively small bobbin halves of the present invention can be manufactured at a lower cost and reduce overall tooling expense ,

Im folgenden wird ein bevorzugtes Ausführungsbeispiel anhand der beigefügten Zeichnung näher erläutert.

Fig. 1.
ist eine schematische Darstellung einer Spule zur Erläuterung einer ersten Ausführungsform eines erfindungsgemäßeen Wickelverfahrens.
In the following a preferred embodiment will be explained in more detail with reference to the accompanying drawings.
Fig. 1.
is a schematic representation of a coil for explaining a first embodiment of a winding method according to the invention.

In Fig. 1 wird eine Spule veranschaulicht, die zwei zu einer mittleren Radialebene 10 zusammenlaufende, konische Spulenhälften 12,14 umfaßt, die nach außen kegelstumpfförmig auseinanderlaufen und durch Flanschscheiben 16,18 abgeschlossen sind.In Fig. 1 a coil is illustrated which comprises two converging to a central radial plane 10, conical coil halves 12,14 which diverge outwardly frustoconical and are closed by flange 16,18.

Bei der Ausführungsform gemäß Fig. 1 werden die einzelnen Lagen der Wicklung zunächst hin- und hergehend auf den unteren Wickelkernteil aufgetragen. Diese Lagen erstrecken sich jeweils zwischen der Innenfläche der unteren Flanschscheibe 18 und der Umfangsfläche des oberen Wickelkernteils 12, wie es in Fig. 1 veranschaulicht ist. Die einzelnen Lagen enden im weiteren Verlauf in einer äußeren, zylindrischen Mantelfläche 20, die die beiden Flanschscheiben 16 und 18 im wesentlichen in deren Umfangsbereich verbindet, und andererseits an der Innenfläche der oberen Flanschscheibe 16. In jedem Falle werden die einzelnen Lagen ständig hin- und hergehend abgelegt. Diese Ausführungsform ist verhältnismäßig einfach.In the embodiment according to Fig. 1 the individual layers of the winding are first applied back and forth on the lower winding core part. These layers each extend between the inner surface of the lower flange plate 18 and the peripheral surface of the upper winding core portion 12, as shown in FIG Fig. 1 is illustrated. The individual layers end in the course in an outer, cylindrical lateral surface 20, which connects the two flange discs 16 and 18 substantially in the peripheral region, and on the other hand on the inner surface of the upper flange 16. In each case, the individual layers are constantly back and forth filed down. This embodiment is relatively simple.

Für die vorliegende Erfindung ist es unerheblich, ob die beiden konischen Spulenteile im Bereich der mittleren Radialebene 10 fest oder lösbar miteinander verbunden sind.For the present invention, it is irrelevant whether the two conical coil parts in the region of the central radial plane 10 are fixedly or detachably connected to one another.

Claims (1)

  1. Method for winding a filamentary material onto a spool, said spool comprising two spool halves (12,14) converging conically towards an intermediate radial plane (10) and further comprising two flange discs (16,18) at their outer ends, wherein in the winding process, said spool is rotated around its central axis and the filamentary material is feeded by means of a guidance that can be moved along the length of the spool, characterized in that said filamentary material is wound in layers parallel to the lower conical surface first towards the upper conical surface and the inner surface of the lower flange disk, and afterwards the winding layers run between a cylindrical surface connecting the circumference of the flange disks and the inner surface of the upper flange disk.
EP06723290A 2005-03-10 2006-03-08 Method for winding a filamentary material onto a spool Not-in-force EP1855975B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005011022A DE102005011022A1 (en) 2005-03-10 2005-03-10 Method for winding a coil with stranded winding material
PCT/EP2006/002136 WO2006094788A1 (en) 2005-03-10 2006-03-08 Method for winding a skein windable material onto a spool

Publications (2)

Publication Number Publication Date
EP1855975A1 EP1855975A1 (en) 2007-11-21
EP1855975B1 true EP1855975B1 (en) 2012-05-02

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EP06723290A Not-in-force EP1855975B1 (en) 2005-03-10 2006-03-08 Method for winding a filamentary material onto a spool

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US (1) US7780103B2 (en)
EP (1) EP1855975B1 (en)
CN (1) CN101137562A (en)
AT (1) ATE556017T1 (en)
DE (1) DE102005011022A1 (en)
RU (1) RU2397937C2 (en)
WO (1) WO2006094788A1 (en)

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DE102015210856A1 (en) * 2015-06-12 2016-12-15 Würth Elektronik eiSos Gmbh & Co. KG Inductive component

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DE102010031959A1 (en) * 2010-07-22 2012-01-26 Oerlikon Textile Gmbh & Co. Kg Method for producing a textile bobbin and workstation for carrying out the method
CN103088582B (en) * 2011-10-28 2014-12-17 李雪明 Rear frame of beam dyeing machine
US20130239519A1 (en) * 2012-03-16 2013-09-19 Thomas Orsini Easily removable selvage device
CN110482324B (en) * 2018-05-14 2021-04-06 深圳市美好创亿医疗科技股份有限公司 Rubber-coated winding device
CN110887728B (en) * 2019-12-09 2023-06-02 中国航空综合技术研究所 Fixing device for binding rope tensile test

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Publication number Priority date Publication date Assignee Title
DE102015210856A1 (en) * 2015-06-12 2016-12-15 Würth Elektronik eiSos Gmbh & Co. KG Inductive component

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Publication number Publication date
ATE556017T1 (en) 2012-05-15
CN101137562A (en) 2008-03-05
RU2007137499A (en) 2009-04-20
DE102005011022A1 (en) 2006-09-14
RU2397937C2 (en) 2010-08-27
US7780103B2 (en) 2010-08-24
WO2006094788A1 (en) 2006-09-14
EP1855975A1 (en) 2007-11-21
US20080164366A1 (en) 2008-07-10

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