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EP1866228A1 - Spool for receiving a windable skein material - Google Patents

Spool for receiving a windable skein material

Info

Publication number
EP1866228A1
EP1866228A1 EP06723292A EP06723292A EP1866228A1 EP 1866228 A1 EP1866228 A1 EP 1866228A1 EP 06723292 A EP06723292 A EP 06723292A EP 06723292 A EP06723292 A EP 06723292A EP 1866228 A1 EP1866228 A1 EP 1866228A1
Authority
EP
European Patent Office
Prior art keywords
latching
recesses
parts
locking
bobbin
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
EP06723292A
Other languages
German (de)
French (fr)
Other versions
EP1866228B1 (en
Inventor
Manfred Häfner
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.)
Haefner and Krullmann GmbH
Original Assignee
Haefner and Krullmann 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 Haefner and Krullmann GmbH filed Critical Haefner and Krullmann GmbH
Publication of EP1866228A1 publication Critical patent/EP1866228A1/en
Application granted granted Critical
Publication of EP1866228B1 publication Critical patent/EP1866228B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2218—Collapsible hubs
    • B65H75/2227—Collapsible hubs with a flange fixed to the hub part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/22—Constructional details collapsible; with removable parts
    • B65H75/2254—Constructional details collapsible; with removable parts with particular joining means for releasably connecting parts
    • B65H75/2272—Constructional details collapsible; with removable parts with particular joining means for releasably connecting parts releasably connected by relative rotatable movement of parts, e.g. threaded or bayonet fit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/51—Cores or reels characterised by the material
    • B65H2701/512—Cores or reels characterised by the material moulded

Definitions

  • the invention relates to a coil for receiving aufwickelbarem strand material, with a rotationally symmetrical, conical bobbin, which is provided at its end of smaller diameter with a releasable flange.
  • Coils of this type are known per se. They offer the advantage that the conical bobbins can be stacked in a space-saving manner after removal of the flange discs, so that storage and transport can be considerably simplified, as long as the bobbin is on the way from the coil manufacturer to the producer of the rod, or during the return transport of the empty bobbin Consumers of the strand material to its manufacturer.
  • the known coils of this type generally have the disadvantage that the removal of the flange and their reassembly is either relatively cumbersome and may even require the aid of tools or that the flange can unintentionally solve.
  • the invention has for its object to provide a coil of the type mentioned, in which the flange can be mounted relatively easily and quickly and in particular without tools at the end of the bobbin and disassembled accordingly and is reliably protected against self-unlocking.
  • the coil according to the invention is characterized
  • the flange disk and the bobbin have ring surfaces on the mutually facing sides
  • latching projections extend in the direction of the other annular surface, - That in the annular surface of the or both other parts locking recesses are provided for receiving the locking projections,
  • latching projections and latching recesses are latchable by mutual rotation of the coil body and the flange disc in the manner of a bayonet closure
  • connection may comprise latching projections on one side and latching recesses on the other side. It is also possible that latching projections on both sides and latching recesses are also provided on both sides. To secure the bayonet connection against twisting it is sufficient that one of the locking projections in the associated Rastaus- recess is secured by a resilient tongue.
  • the latching projections are preferably mushroom-shaped. That is, they have a protruding from the corresponding annular surface web having at its end a radially projecting head portion.
  • the shape of the recesses is in the broadest sense keyhole-shaped, ie they have an extended entry area, which allows the entry of the head portions of the locking projections and the adjacent circumferentially merges into a narrower in the radial direction locking portion in which the head portion of the locking projections is engaged behind.
  • the surfaces of the wall parts which bound the locking areas on both sides formed inclined, so that when turning the two parts, the head portions of the locking projections are used and the connection is clamped.
  • the resilient tongues can be attached directly to the edge of the recesses.
  • the resilient tongues can be molded directly to the edge region of the recesses.
  • the bayonet connection pressure pieces are preferably provided which push the resilient tongues out of their locking position with a suitable displacement.
  • Several corresponding pressure pieces can be provided on a common ring, which is displaceably guided on one or both parts of the connection according to the invention.
  • Fig. 1 is a schematic perspective view of a coil according to the invention in a partially disassembled exploded view
  • Fig. 2 is a partial section through the connecting region between the bobbin according to the invention and the releasable flange disc;
  • a truncated cone-shaped bobbin 10 is shown, which is limited at its bottom in Fig. 1 end of larger diameter by a flange 12, which is fixedly connected to the bobbin 10, z. B. made in one piece with this as a plastic part, or may be releasably attached to the bobbin 10.
  • the bobbin 10 is detachably connected to a further flange disk 14.
  • the upper end surface of the frusto-conical bobbin 10 in Fig. 1 may be a completely closed surface, but an annular surface 26 running along the outer edge is sufficient for the purposes of the present invention.
  • a corresponding mating surface is located on the underside of the flange plate 14 which is concealed in FIG. 1. These two annular surfaces have the connecting elements with which the bobbin 10 and the flange plate 14 can be releasably connected to one another.
  • the elements of the bayonet connection are located on or in the annular surface 16 at the front end of the bobbin 10 and the underside of the flange plate 14 hidden in FIG. 1.
  • the bayonet connection between the bobbin. 10 and the flange 14 includes locking projections 20,22 projecting from the annular surface 18 of the flange 14 downwards, and locking recesses 24,26 in the annular surface 16 of the bobbin.
  • the latching recess 24 has an outline which can be referred to at least approximately as a keyhole-shaped. It is composed of an entry region 28 which has a relatively large width in the radial direction, that is to say essentially perpendicular to the plane of the drawing, and a locking region 30 which adjoins the latter in the circumferential direction and which is considerably narrower in the radial direction than the entry region. Both areas 28, 30 together may be referred to essentially as a keyhole-shaped opening in the annular area 16.
  • the latching projection 20 is composed of a web region 32, which protrudes downward from the annular surface 18, and a head region 34 at the outer end of the web region 32, which projects beyond the web region 32 at least in the radial direction.
  • the head area is dimensioned such that, although it can be inserted into the entry region 28 of the latching recess 24, it is caught by the mutual undercut after subsequent displacement into the latching area 30.
  • a plurality of latching projections 20 are thus optionally lowered down into a plurality of inlet regions 28 of the annular surface 16, and the flange 14 is then rotated with respect to the bobbin 10 so that the latching projections 20 from the entry region 28th be moved into the locking portion 30 of the recesses 24 and are defined here by undercut. It can be seen that the underside of the annular surface on both sides of the latching recess in the locking region 30 drops obliquely in the circumferential direction. This inclined surface 36 causes the head portion 34 of the locking projection 20 is detected by the inclined surface and the locking projection down, based on Fig. 2 are braced.
  • the release of the flange 14 is necessary, however, if, for example, the supply of rod material is unwound on the bobbin 10 and the coil is to be transported back empty for re-winding. In this situation, the flange plate 14 must be removed so that the bobbin 10 can be stacked together with other bobbins to save space.
  • a pressure piece 40 is provided for such cases, which is able to press the resilient tongue 38, based on Fig. 2, down and thus release the locking projection 20 for rotation in the direction of the inlet portion 28 of the recess ,
  • This pressure piece 40 can be arranged displaceably in the circumferential direction within the latching recess 24.
  • Two guide rails 42 of the pressure piece engage behind the edges of the recess 24 and guide the pressure piece in this way.
  • a downwardly directed projection 44 in the starting position lies in the starting position in a depression 46 formed above the resilient tongue 38 and slides on displacement of the pressure element 40 to the left in the circumferential direction of the annular surface 16 via an inclined surface 48 adjacent to the depression The top of the resilient tongue 38. All directional information contained herein refer to Fig. 2. Thereby, the resilient tongue 38 is pressed down so that it releases the head portion 34 of Rastvor- jump 32.
  • a projection 50 On the upper side of the pressure piece 40 slightly offset from the lower projection 44 are also a projection 50. This has the function that the pressure piece 40 when turning back the locking projections 20 to the right in Fig. 2, d. H. when releasing the bayonet connection, the pressure piece is entrained when the latching projection strikes against the projection 50. In this way, the projection 44 is also pushed back into the trough 46, so that the resilient tongue 38 springs back into the free starting position and in turn can lock behind the locking projection 20 when the bayonet connection is twisted together.
  • the pressure piece 40 may be provided in all latching projections 20, 22 or latching recesses 24, 26. It is also possible to use a plurality of pressure pieces 40 on a circumferential ring. In the illustrated embodiment, on the side of the flange 14, the downwardly directed locking projections 20,22 and on the side of the bobbin 10, the recesses 24,26 are provided. However, the latching projections and the recesses may be provided alternately. This means that locking projections can also be provided on the coil body 10 and latching recesses on the flange disk 14.
  • perforations may be provided, which allow to initiate from the inside of the bobbin ago gases and liquids for the treatment of the winding material. Hot air, for example, can be blown through the ware when it has to be dried. It is also possible to introduce gaseous or liquid media for the treatment of the winding material.

Landscapes

  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Unwinding Of Filamentary Materials (AREA)
  • Jib Cranes (AREA)
  • Replacement Of Web Rolls (AREA)
  • Unwinding Webs (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

Spool for receiving wound skein material with a rotationally symmetrical conical spool body (10) with a detachable flange disc (14) at the end with the smaller diameter, in which the flange disc (14) and spool body (10) have ring surfaces (18, 20) on their facing surfaces, locking projections (20, 22) extend from the ring surface of one or both part(s) in the direction of the other ring surface, detent recesses (24, 26) to receive the locking projections are provided in the ring surface of one or both part(s), the locking projections and detent recesses can be locked in the manner of a bayonet catch by mutually rotating the spool body and the flange disc, and aligned with the detent recesses are spring-loaded tongues (38) which engage behind the locking projections in the connected position of the parts, and prevent the parts from untwisting.

Description

SPULE ZUR AUFNAHME VON AUFWICKELBAREM STRANGMATERIAL SPOOL FOR RECEIVING OF RETRACTABLE STRETCH MATERIAL
Die Erfindung betrifft eine Spule zur Aufnahme von aufwickelbarem Strangmaterial, mit einem rotationssymmetrischen, konischen Spulenkörper, der an seinem Ende kleineren Durchmessers mit einer lösbaren Flanschscheibe versehen ist.The invention relates to a coil for receiving aufwickelbarem strand material, with a rotationally symmetrical, conical bobbin, which is provided at its end of smaller diameter with a releasable flange.
Spulen dieser Art sind an sich bekannt. Sie bieten den Vorteil, dass die konischen Spulenkörper nach Abnehmen der Flanschscheiben raumsparend ge- stapelt werden können, so dass Lagerung und Transport erheblich vereinfacht werden können, solange sich die Spule auf dem Wege vom Spulenhersteller zum Strangguthersteller befindet, oder beim Rücktransport der leeren Spule vom Verbraucher des Stranggutmaterials zu dessen Hersteller.Coils of this type are known per se. They offer the advantage that the conical bobbins can be stacked in a space-saving manner after removal of the flange discs, so that storage and transport can be considerably simplified, as long as the bobbin is on the way from the coil manufacturer to the producer of the rod, or during the return transport of the empty bobbin Consumers of the strand material to its manufacturer.
Die bekannten Spulen dieser Art haben generell den Nachteil, dass das Entfernen der Flanschscheibe und deren erneute Montage entweder relativ umständlich ist und möglicherweise sogar die Zuhilfenahme von Werkzeug erfordert oder dass die Flanschscheibe sich unbeabsichtigt lösen kann.The known coils of this type generally have the disadvantage that the removal of the flange and their reassembly is either relatively cumbersome and may even require the aid of tools or that the flange can unintentionally solve.
Der Erfindung liegt die Aufgabe zugrunde, eine Spule der eingangs genannten Art zu schaffen, bei der die Flanschscheibe relativ einfach und rasch und insbesondere ohne Werkzeug am Ende des Spulenkörpers montiert und entsprechend demontiert werden kann und zuverlässig gegen Selbstentriegelung geschützt ist.The invention has for its object to provide a coil of the type mentioned, in which the flange can be mounted relatively easily and quickly and in particular without tools at the end of the bobbin and disassembled accordingly and is reliably protected against self-unlocking.
Zur Lösung dieser Aufgabe ist die erfindungsgemäJ3e Spule dadurch gekennzeichnet,To achieve this object, the coil according to the invention is characterized
dass die Flanschscheibe und der Spulenkörper auf den einander zuge- wandten Seiten Ringflächen aufweisen,the flange disk and the bobbin have ring surfaces on the mutually facing sides,
dass von der Ringfläche eines oder beider Teile Rastvorsprünge in Richtung der anderen Ringfläche ausgehen, - dass in der Ringfläche des oder beider anderen Teile Rastausnehmungen zur Aufnahme der Rastvorsprünge vorgesehen sind,in that, from the annular surface of one or both parts, latching projections extend in the direction of the other annular surface, - That in the annular surface of the or both other parts locking recesses are provided for receiving the locking projections,
dass die Rastvorsprünge und Rastausnehmungen durch gegenseitige Drehung des Spulenkörpers und der Flanschscheibe nach Art eines Bajonettverschlusses verrastbar sind,that the latching projections and latching recesses are latchable by mutual rotation of the coil body and the flange disc in the manner of a bayonet closure,
und dass in Zuordnung zu den Rastausnehmungen federnde Zungen vorgesehen sind, die die Rastvorsprünge in der verbundenen Stellung der Tei- Ie hintergreifen und ein Zurückdrehen der Teile blockieren.and that resilient tongues are provided in association with the latching recesses, which engage behind the latching projections in the connected position of the parts and block the turning back of the parts.
Erfindungsgemäß besteht somit zwischen dem Spulenkörper und der Flanschscheibe eine Rastverbindung, die leicht zu schließen und rasch zu lösen ist. Das unbeabsichtigte Lösen wird verhindert durch eine federnde Zun- ge, die ein Losdrehen der Bajonettverbindung dadurch verhindert, dass der Rastvorsprung in seiner Stellung gesichert wird. Diese Drehsicherung erfolgt mithilfe von federnden Zungen, die nach dem Schließen des Bajonettverschlusses in ihre Raststellung einfedern. Zum Lösen der Rastverbindung müssen die Federn aus ihrer Raststellung herausgedrückt werden.According to the invention thus there is a locking connection between the bobbin and the flange, which is easy to close and quickly solved. The unintentional release is prevented by a resilient tongue, which prevents the bayonet connection from loosening because the locking projection is secured in its position. This rotation is ensured by means of resilient tongues, which spring into their rest position after closing the bayonet catch. To release the locking connection, the springs must be pushed out of their rest position.
Die Verbindung kann Rastvorsprünge auf der einen Seite und Rastausnehmungen auf der anderen Seite umfassen. Es ist auch möglich, dass Rastvor- sprünge auf beiden Seiten und Rastausnehmungen ebenfalls auf beiden Seiten vorgesehen sind. Für eine Sicherung der Bajonettverbindung gegen Auf- drehen genügt es, dass einer der Rastvorsprünge in der zugehörigen Rastaus- nehmung durch eine federnde Zunge gesichert wird.The connection may comprise latching projections on one side and latching recesses on the other side. It is also possible that latching projections on both sides and latching recesses are also provided on both sides. To secure the bayonet connection against twisting it is sufficient that one of the locking projections in the associated Rastaus- recess is secured by a resilient tongue.
Die Rastvorsprünge sind vorzugsweise pilzförmig ausgebildet. Das heißt, sie besitzen einen von der entsprechenden Ringfläche vorspringenden Steg, der an seinem Ende einen radial auskragenden Kopfbereich aufweist. Die Form der Rastausnehmungen ist im weitesten Sinn schlüssellochförmig, d. h. sie besitzen einen erweiterten Eintrittsbereich, der den Eintritt der Kopfbereiche der Rastvorsprünge ermöglicht und der in Umfangsrichtung angrenzend in einen in Radialrichtung schmaleren Verriegelungsbereich übergeht, in dem der Kopfbereich der Rastvorsprünge hintergriffen wird. Vorzugsweise sind die Oberflächen der Wandteile, die die Verriegelungsbereiche beiderseits begrenzen, schräg ansteigend ausgebildet, so dass beim Drehen der beiden Teile die Kopfbereiche der Rastvorsprünge herangezogen werden und die Verbindung verspannt wird.The latching projections are preferably mushroom-shaped. That is, they have a protruding from the corresponding annular surface web having at its end a radially projecting head portion. The shape of the recesses is in the broadest sense keyhole-shaped, ie they have an extended entry area, which allows the entry of the head portions of the locking projections and the adjacent circumferentially merges into a narrower in the radial direction locking portion in which the head portion of the locking projections is engaged behind. Preferably, the surfaces of the wall parts which bound the locking areas on both sides, formed inclined, so that when turning the two parts, the head portions of the locking projections are used and the connection is clamped.
Die federnden Zungen können unmittelbar am Rand der Rastausnehmungen befestigt sein. Bei der Herstellung aus Kunststoff können die federnden Zungen unmittelbar an den Randbereich der Rastausnehmungen angespritzt sein.The resilient tongues can be attached directly to the edge of the recesses. In the production of plastic, the resilient tongues can be molded directly to the edge region of the recesses.
Zum Lösen der federnden Zungen und damit der Bajonettverbindung sind vorzugsweise Druckstücke vorgesehen, die bei geeigneter Verschiebung die federnden Zungen aus ihrer Verriegelungsstellung herausdrücken. Es können mehrere entsprechende Druckstücke an einem gemeinsamen Ring vorgesehen sein, der verschiebbar an einem oder beiden Teilen der erfindungsgemäJ3en Verbindung geführt ist.To release the resilient tongues and thus the bayonet connection pressure pieces are preferably provided which push the resilient tongues out of their locking position with a suitable displacement. Several corresponding pressure pieces can be provided on a common ring, which is displaceably guided on one or both parts of the connection according to the invention.
Im folgenden werden bevorzugte Ausführungsbeispiele der Erfindung anhand der beigefügten Zeichnung näher erläutert.In the following preferred embodiments of the invention will be described with reference to the accompanying drawings.
Fig. 1 ist eine schematische perspektivische Darstellung einer erfindungsgemäßen Spule in einer teilweise demontierten Explosionsdarstellung;Fig. 1 is a schematic perspective view of a coil according to the invention in a partially disassembled exploded view;
Fig. 2 ist ein Teilschnitt durch den Verbindungsbereich zwischen dem erfindungsgemäßen Spulenkörper und der lösbaren Flanschscheibe;Fig. 2 is a partial section through the connecting region between the bobbin according to the invention and the releasable flange disc;
In Fig. 1 ist ein kegelstumpfförmiger Spulenkörper 10 gezeigt, der an seinem unten in Fig. 1 liegenden Ende größeren Durchmessers durch eine Flanschscheibe 12 begrenzt ist, die fest mit dem Spulenkörper 10 verbunden, z. B. einstückig mit diesem als Kunststoffteil hergestellt, oder auch lösbar an dem Spulenkörper 10 angebracht sein kann. An seinem Ende kleineren Durchmessers, das oben in Fig. 1 liegt, ist der Spulenkörper 10 lösbar mit einer weiteren Flanschscheibe 14 verbunden. Die in Fig. 1 obere Endfläche des kegelstumpfförmigen Spulenkörpers 10 kann eine vollständig geschlossene Fläche sein, jedoch reicht eine am äußeren Rand entlanglaufende Ringfläche 26 für die Zwecke der vorliegenden Erfindung aus.In Fig. 1, a truncated cone-shaped bobbin 10 is shown, which is limited at its bottom in Fig. 1 end of larger diameter by a flange 12, which is fixedly connected to the bobbin 10, z. B. made in one piece with this as a plastic part, or may be releasably attached to the bobbin 10. At its end of smaller diameter, which lies at the top in FIG. 1, the bobbin 10 is detachably connected to a further flange disk 14. The upper end surface of the frusto-conical bobbin 10 in Fig. 1 may be a completely closed surface, but an annular surface 26 running along the outer edge is sufficient for the purposes of the present invention.
Eine entsprechende Gegenfläche befindet sich an der in Fig. 1 verdeckten Unterseite der Flanschscheibe 14. Diese beiden Ringflächen weisen die Verbindungselemente auf, mit denen der Spulenkörper 10 und die Flanschscheibe 14 lösbar miteinander verbunden werden können.A corresponding mating surface is located on the underside of the flange plate 14 which is concealed in FIG. 1. These two annular surfaces have the connecting elements with which the bobbin 10 and the flange plate 14 can be releasably connected to one another.
Gemäß Fig. 2 erfolgt die Verbindung zwischen der Flanschscheibe 14 und dem Spulenkörper 10 mithilfe einer blockierbaren Bajonettverbindung, wie anschließend näher erläutert werden soll.According to Fig. 2, the connection between the flange 14 and the bobbin 10 by means of a lockable bayonet connection, as will be explained in more detail below.
Die Elemente der Bajonettverbindung befinden sich auf bzw. in der Ringflä- che 16 am Stirnende des Spulenkörpers 10 und der in Fig. 1 verdeckten Unterseite der Flanschscheibe 14. Die dortige Ringfläche wird mit 18 bezeichnet. Auch hier ist zu sagen, dass eine Ringfläche für die Unterbringung der Verriegelungselemente ausreicht und dass die untere Fläche der Flanschscheibe 14 aber auch vollständig geschlossen sein kann.The elements of the bayonet connection are located on or in the annular surface 16 at the front end of the bobbin 10 and the underside of the flange plate 14 hidden in FIG. 1. The annular surface there is designated by 18. Again, it should be said that an annular surface is sufficient for the accommodation of the locking elements and that the lower surface of the flange plate 14 but also can be completely closed.
Die Bajonettverbindung zwischen dem Spulenkörper . 10 und der Flanschscheibe 14 umfaßt Rastvorsprünge 20,22, die von der Ringfläche 18 der Flanschscheibe 14 nach unten vorspringen, und Rastausnehmungen 24,26 in der Ringfläche 16 des Spulenkörpers.The bayonet connection between the bobbin. 10 and the flange 14 includes locking projections 20,22 projecting from the annular surface 18 of the flange 14 downwards, and locking recesses 24,26 in the annular surface 16 of the bobbin.
Im folgenden soll vor allem auf den Rastvorsprung 20 der Flanschscheibe 14 und die Rastausnehmung 24 des Spulenkörpers 10 Bezug genommen werden.In the following, reference should be made in particular to the locking projection 20 of the flange 14 and the recess 24 of the bobbin 10 reference.
Die Rastausnehmung 24 hat einen Umriß, der zumindest annähernd als schlüssellochförmig bezeichnet werden kann. Er setzt sich zusammen aus einem Eintrittsbereich 28, der in Radialrichtung, also im wesentlichen senkrecht zur Zeichenebene eine relativ große Breite aufweist, und einem in Um- fangsrichtung nach links an diesen angrenzenden Verriegelungsbereich 30, der in Radialrichtung erheblich schmaler ist als der Eintrittsbereich. Beide Bereiche 28,30 zusammen können im wesentlichen als schlüssellochförmige Öffnung in der Ringfläche 16 bezeichnet werden. Der Rastvorsprung 20 setzt sich zusammen aus einem Stegbereich 32, der nach unten von der Ringfläche 18 vorspringt, und einem Kopfbereich 34 am äußeren Ende des Stegbereichs 32, der zumindest in Radialrichtung über den Stegbereich 32 hinausragt.The latching recess 24 has an outline which can be referred to at least approximately as a keyhole-shaped. It is composed of an entry region 28 which has a relatively large width in the radial direction, that is to say essentially perpendicular to the plane of the drawing, and a locking region 30 which adjoins the latter in the circumferential direction and which is considerably narrower in the radial direction than the entry region. Both areas 28, 30 together may be referred to essentially as a keyhole-shaped opening in the annular area 16. The latching projection 20 is composed of a web region 32, which protrudes downward from the annular surface 18, and a head region 34 at the outer end of the web region 32, which projects beyond the web region 32 at least in the radial direction.
Der Kopfbereich ist so dimensioniert, dass er zwar in den Eintrittsbereich 28 der Rastausnehmung 24 eingeschoben werden kann, nach anschließendem Verschieben in den Verriegelungsbereich 30 jedoch durch die gegenseitige Hinterschneidung gefangen ist.The head area is dimensioned such that, although it can be inserted into the entry region 28 of the latching recess 24, it is caught by the mutual undercut after subsequent displacement into the latching area 30.
Bezogen auf die Darstellung der Fig. 1 werden somit gegebenenfalls mehrere Rastvorsprünge 20 nach unten in mehrere Eintrittsbereiche 28 der Ringfläche 16 abgesenkt, und die Flanschscheibe 14 wird anschließend so in bezug auf den Spulenkörper 10 gedreht, dass die Rastvorsprünge 20 von dem Ein- trittsbereich 28 in den Verriegelungsbereich 30 der Rastausnehmungen 24 verschoben werden und hier durch Hinterschneidung festgelegt sind. Es ist erkennbar, dass die Unterseite der Ringfläche beiderseits der Rastausnehmung in dem Verriegelungsbereich 30 schräg in Umfangsrichtung abfällt. Diese Schrägfläche 36 bewirkt, dass der Kopfbereich 34 des Rastvorsprungs 20 durch die Schrägfläche erfaßt und der Rastvorsprung nach unten, bezogen auf Fig. 2 verspannt werden.Referring to the illustration of FIG. 1, a plurality of latching projections 20 are thus optionally lowered down into a plurality of inlet regions 28 of the annular surface 16, and the flange 14 is then rotated with respect to the bobbin 10 so that the latching projections 20 from the entry region 28th be moved into the locking portion 30 of the recesses 24 and are defined here by undercut. It can be seen that the underside of the annular surface on both sides of the latching recess in the locking region 30 drops obliquely in the circumferential direction. This inclined surface 36 causes the head portion 34 of the locking projection 20 is detected by the inclined surface and the locking projection down, based on Fig. 2 are braced.
Wenn sich die Rastvorsprünge 20 in den Rastausnehmungen 24 in Umfangsrichtung nach links in Fig. 2 bewegen, drücken sie eine federnde Zunge 38 nach unten in Fig. 2. Wenn die Rastvorsprünge 20 schließlich die Endstellung des Verriegelungsbereichs 30 erreicht haben, wird die federnde Zunge 38 nicht mehr berühren, so dass diese, bezogen auf Fig. 2, hochfedern kann. Das bedeutet, dass der Rastvorsprung 20 von seiner Rückseite her, also von rechts in Fig. 2, von der federnden Zunge 38 hintergriffen und gegebenenfalls festgehalten wird. Die Bajonettverbindung zwischen dem Rastvorsprung 20 und der Rastausnehmung 24 kann nicht durch Zurückdrehen gelöst werden.When the locking projections 20 in the locking recesses 24 move in the circumferential direction to the left in Fig. 2, they press a resilient tongue 38 down in Fig. 2. When the locking projections 20 have finally reached the end position of the locking portion 30, the resilient tongue 38th Do not touch, so that this, based on Fig. 2, can spring up. This means that the locking projection 20 is engaged behind from its rear side, ie from the right in FIG. 2, by the resilient tongue 38 and optionally retained. The bayonet connection between the latching projection 20 and the latching recess 24 can not be solved by turning back.
Das Lösen der Flanschscheibe 14 ist jedoch notwendig, wenn beispielsweise der Vorrat des Stangenmaterials auf dem Spulenkörper 10 abgewickelt ist und die Spule leer zum erneuten Bewickeln zurücktransportiert werden soll. In dieser Situation muj3 die Flanschscheibe 14 entfernt werden, damit der Spulenkörper 10 zusammen mit anderen Spulenkörpern raumsparend gestapelt werden kann.The release of the flange 14 is necessary, however, if, for example, the supply of rod material is unwound on the bobbin 10 and the coil is to be transported back empty for re-winding. In this situation, the flange plate 14 must be removed so that the bobbin 10 can be stacked together with other bobbins to save space.
Zum Lösen der Bajonettverbindung ist für derartige Fälle ein Druckstück 40 vorgesehen, das in der Lage ist, die federnde Zunge 38, bezogen auf Fig. 2, nach unten zu drücken und damit den Rastvorsprung 20 für eine Drehung in Richtung des Eintrittsbereichs 28 der Rastausnehmung freizugeben.To release the bayonet connection, a pressure piece 40 is provided for such cases, which is able to press the resilient tongue 38, based on Fig. 2, down and thus release the locking projection 20 for rotation in the direction of the inlet portion 28 of the recess ,
Dieses Druckstück 40 kann in Umfangsrichtung verschiebbar innerhalb der Rastausnehmung 24 angeordnet werden. Zwei Führungsleisten 42 des Druckstücks hintergreifen die Ränder der Rastausnehmung 24 und führen das Druckstück auf diese Weise. Ein in Fig. 2 nach unten gerichteter Ansatz 44 liegt in der Ausgangsstellung in einer oberhalb der federnden Zunge 38 gebil- deten Mulde 46 und gleitet bei Verschiebung des Druckstücks 40 nach links in Umfangsrichtung der Ringfläche 16 über eine an die Mulde angrenzende Schrägfläche 48 an der Oberseite der federnden Zunge 38. Alle hier enthaltenen Richtungsangaben beziehen sich auf Fig. 2. Dadurch wird die federnde Zunge 38 nach unten gedrückt, so dass sie den Kopfbereich 34 des Rastvor- Sprungs 32 freigibt.This pressure piece 40 can be arranged displaceably in the circumferential direction within the latching recess 24. Two guide rails 42 of the pressure piece engage behind the edges of the recess 24 and guide the pressure piece in this way. A downwardly directed projection 44 in the starting position lies in the starting position in a depression 46 formed above the resilient tongue 38 and slides on displacement of the pressure element 40 to the left in the circumferential direction of the annular surface 16 via an inclined surface 48 adjacent to the depression The top of the resilient tongue 38. All directional information contained herein refer to Fig. 2. Thereby, the resilient tongue 38 is pressed down so that it releases the head portion 34 of Rastvor- jump 32.
Auf der oberen Seite des Druckstücks 40 leicht versetzt gegenüber dem unteren Ansatz 44 befinden sich ebenfalls ein Ansatz 50. Dieser hat die Funktion, dass das Druckstück 40 beim Zurückdrehen der Rastvorsprünge 20 nach rechts in Fig. 2, d. h. beim Lösen der Bajonettverbindung das Druckstück mitgenommen wird, wenn der Rastvorsprung gegen den Ansatz 50 trifft. Auf diese Weise wird der Ansatz 44 ebenfalls zurück in die Mulde 46 geschoben, so dass die federnde Zunge 38 wieder in die freie Ausgangsstellung zurückfedert und beim Zusammendrehen der Bajonettverbindung wiederum hinter dem Rastvorsprung 20 einrasten kann.On the upper side of the pressure piece 40 slightly offset from the lower projection 44 are also a projection 50. This has the function that the pressure piece 40 when turning back the locking projections 20 to the right in Fig. 2, d. H. when releasing the bayonet connection, the pressure piece is entrained when the latching projection strikes against the projection 50. In this way, the projection 44 is also pushed back into the trough 46, so that the resilient tongue 38 springs back into the free starting position and in turn can lock behind the locking projection 20 when the bayonet connection is twisted together.
Das Druckstück 40 kann bei allen Rastvorsprüngen 20,22 oder Rastausneh- mungen 24,26 vorgesehen sein. Es können auch mehrere Druckstücke 40 auf einem umlaufenden Ring verwendet werden. Bei der dargestellten Ausführungsform sind auf der Seite der Flanschscheibe 14 die nach unten gerichteten Rastvorsprünge 20,22 und auf der Seite des Spulenkörpers 10 die Rastausnehmungen 24,26 vorgesehen. Die Rastvorsprünge und die Rastausnehmungen können jedoch wechselseitig vorgesehen sein. Das bedeutet, dass auch bei dem Spulenkörper 10 Rastvorsprünge und an der Flanschscheibe 14 Rastausnehmungen vorgesehen sein können.The pressure piece 40 may be provided in all latching projections 20, 22 or latching recesses 24, 26. It is also possible to use a plurality of pressure pieces 40 on a circumferential ring. In the illustrated embodiment, on the side of the flange 14, the downwardly directed locking projections 20,22 and on the side of the bobbin 10, the recesses 24,26 are provided. However, the latching projections and the recesses may be provided alternately. This means that locking projections can also be provided on the coil body 10 and latching recesses on the flange disk 14.
In dem Spulenkörper 10, der den Wickelkern für das strangförmige Material bildet, können Durchbrechungen vorgesehen sein, die es gestatten, von der Innenseite des Spulenkörpers her Gase und Flüssigkeiten zur Behandlung des Wickelgutes einzuleiten. So kann beispielsweise Warmluft durch das Wik- kelgut hindurchgeblasen werden, wenn dieses getrocknet werden muß. Es können auch gasförmige oder flüssige Medien zur Behandlung des Wickelgutes eingebracht werden. In the bobbin 10, which forms the winding core for the strand-like material, perforations may be provided, which allow to initiate from the inside of the bobbin ago gases and liquids for the treatment of the winding material. Hot air, for example, can be blown through the ware when it has to be dried. It is also possible to introduce gaseous or liquid media for the treatment of the winding material.

Claims

PATENTANSPRÜCHE
1. Spule zur Aufnahme von aufwickelbarem Strangmaterial, mit einem rotationssymmetrischen, konischen Spulenkörper (10), der an seinem Ende kleineren Durchmessers mit einer lösbaren Flanschscheibe (14) versehen ist, dadurch gekennzeichnet,A spool for receiving wound-up strand material, comprising a rotationally symmetrical, conical bobbin (10) which is provided with a detachable flange disc (14) at its smaller-diameter end, characterized
dass die Flanschscheibe (14) und der Spulenkörper (10) auf den einander zugewandten Seiten Ringflächen (18,20) aufweisen,the flange disk (14) and the bobbin (10) have annular surfaces (18, 20) on the sides facing each other,
dass von der Ringfläche eines oder beider Teile Rastvorsprünge (20,22) in Richtung der anderen Ringfläche ausgehen,that latching projections (20, 22) emanate from the annular surface of one or both parts in the direction of the other annular surface,
dass in der Ringfläche des oder beider anderen Teile Rastausnehmungen (24,26) zur Aufnahme der Rastvorsprünge (20,22) vorgesehen sind,that in the annular surface of the or both other parts latching recesses (24,26) are provided for receiving the latching projections (20,22),
dass die Rastvorsprünge (20,22) und Rastausnehmungen (24,26) durch gegenseitige Drehung des Spulenkörpers (10) und der Flanschscheibe (14) nach Art eines Bajonettverschlusses verrastbar sind,in that the latching projections (20, 22) and latching recesses (24, 26) can be latched in the manner of a bayonet closure by mutual rotation of the coil former (10) and the flange plate (14),
und dass in Zuordnung zu den Rastausnehmungen (24,26) federnde Zungen (38) vorgesehen sind, die die Rastvorsprünge (20,22) in der verbundenen Stellung der Teile hintergreifen und ein Zurückdrehen der Teile blockieren.and that in association with the latching recesses (24,26) resilient tongues (38) are provided which engage behind the latching projections (20,22) in the connected position of the parts and block a turning back of the parts.
2. Spule nach Anspruch 1 , dadurch gekennzeichnet, dass die Rastvorsprünge (20,22) von der oder den Ringflächen (16, 18) vorspringende Stegbereiche (32) und an deren Ende radial auskragende Kopfbereiche (34) aufwei- sen, und dass die Rastausnehmungen (24,26) einen erweiterten Eintrittsbereich (28) und in Umfangsrichtung angrenzend einen in Radialrichtung schmaleren Verriegelungsbereich (30) umfassen, der von dem Kopfbereich (34) des Rastvorsprunges (20,22) hintergriffen wird. 2. Coil according to claim 1, characterized in that the latching projections (20,22) of the or the annular surfaces (16, 18) projecting web portions (32) and at the end radially projecting head portions (34), and that the Locking recesses (24,26) an extended entry area (28) and circumferentially adjacent a narrower in the radial direction locking portion (30), which is engaged behind by the head portion (34) of the locking projection (20,22).
3. Spule nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die rückwärtigen Oberflächen der Ringfläche (16), die die Rastausnehmungen enthält, angrenzend an die Verriegelungsbereiche (30) schräg ansteigend ausgebildet sind.3. Coil according to claim 1 or 2, characterized in that the rear surfaces of the annular surface (16) containing the latching recesses, adjacent to the locking portions (30) are formed obliquely rising.
4. Spule nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die federnde Zunge (38) am Rand der Rastausnehmungen (24,26) befestigt, insbesondere in Kunststoff angespritzt sind.4. Coil according to one of claims 1 to 3, characterized in that the resilient tongue (38) attached to the edge of the recesses (24,26), in particular molded in plastic.
5. Spule nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass verschiebbare Druckstücke (40) vorgesehen sind, die die federnden Zungen (38) in einer der Stellungen der Druckstücke (40) aus dem Eingriff mit den Rastvorsprüngen (20,22) drücken.5. Coil according to one of claims 1 to 4, characterized in that slidable pressure pieces (40) are provided which the resilient tongues (38) in one of the positions of the pressure pieces (40) from the engagement with the latching projections (20,22) to press.
6. Spule nach Anspruch 5, dadurch gekennzeichnet, dass die Druckstük- ke (40) an einem Ring ausgebildet sind, der drehbar an der Rückseite der Ringflächen der Spulenteile geführt ist. 6. A spool according to claim 5, characterized in that the Druckstük- ke (40) are formed on a ring which is rotatably guided on the back of the annular surfaces of the coil parts.
EP06723292A 2005-03-09 2006-03-08 Spool for receiving a windable skein material Not-in-force EP1866228B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005010709A DE102005010709B4 (en) 2005-03-09 2005-03-09 Coil for receiving wound-up strand material
PCT/EP2006/002138 WO2006094790A1 (en) 2005-03-09 2006-03-08 Spool for receiving a windable skein material

Publications (2)

Publication Number Publication Date
EP1866228A1 true EP1866228A1 (en) 2007-12-19
EP1866228B1 EP1866228B1 (en) 2009-06-03

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ID=36200145

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EP06723292A Not-in-force EP1866228B1 (en) 2005-03-09 2006-03-08 Spool for receiving a windable skein material

Country Status (8)

Country Link
US (1) US7611089B2 (en)
EP (1) EP1866228B1 (en)
CN (1) CN101137565B (en)
AT (1) ATE432908T1 (en)
DE (2) DE102005010709B4 (en)
ES (1) ES2326390T3 (en)
RU (1) RU2397939C2 (en)
WO (1) WO2006094790A1 (en)

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DE102011009091A1 (en) * 2011-01-21 2012-07-26 Maschinenfabrik Niehoff Gmbh & Co Kg Coil for receiving winding material and coil subsystem
US20130239519A1 (en) * 2012-03-16 2013-09-19 Thomas Orsini Easily removable selvage device
CN105600615B (en) * 2016-01-25 2018-10-19 刘贤烨 A kind of I-beam wheel and its assembly method
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CN110588951A (en) * 2018-06-13 2019-12-20 北京京东尚科信息技术有限公司 Connecting device and aircraft
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RU201066U1 (en) * 2020-05-21 2020-11-25 Андрей Брониславович Василевко DEVICE FOR WORKING WITH EXTENDED FLEXIBLE ELEMENT

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Also Published As

Publication number Publication date
EP1866228B1 (en) 2009-06-03
WO2006094790A1 (en) 2006-09-14
CN101137565A (en) 2008-03-05
US20080087757A1 (en) 2008-04-17
CN101137565B (en) 2010-06-16
RU2007137262A (en) 2009-04-20
ATE432908T1 (en) 2009-06-15
ES2326390T3 (en) 2009-10-08
US7611089B2 (en) 2009-11-03
DE502006003886D1 (en) 2009-07-16
DE102005010709A1 (en) 2006-09-14
RU2397939C2 (en) 2010-08-27
DE102005010709B4 (en) 2007-03-29

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