EP2151513B1 - Upper cylinder carrying and load arm - Google Patents

Upper cylinder carrying and load arm Download PDF

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Publication number
EP2151513B1
EP2151513B1 EP20090007654 EP09007654A EP2151513B1 EP 2151513 B1 EP2151513 B1 EP 2151513B1 EP 20090007654 EP20090007654 EP 20090007654 EP 09007654 A EP09007654 A EP 09007654A EP 2151513 B1 EP2151513 B1 EP 2151513B1
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EP
European Patent Office
Prior art keywords
top roller
closing element
roller carrying
weighting arm
arm
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.)
Active
Application number
EP20090007654
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German (de)
French (fr)
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EP2151513A2 (en
EP2151513A3 (en
Inventor
Jürgen Schlegel
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Saurer Spinning Solutions GmbH and Co KG
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Saurer Components GmbH
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Publication date
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Publication of EP2151513A2 publication Critical patent/EP2151513A2/en
Publication of EP2151513A3 publication Critical patent/EP2151513A3/en
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/60Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/64Rollers or aprons with cleaning surfaces
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01HSPINNING OR TWISTING
    • D01H5/00Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/56Supports for drafting elements
    • D01H5/565Top roller arms

Definitions

  • the present invention relates to a U-shaped, downwardly open upper roller carrying and loading arm of a drafting system of a spinning machine, which is mounted at one end via a support on a support rod and at the opposite end of the support of the top roller support and loading arm End element is arranged.
  • a top roller carrying and loading arm according to the preamble of claim 1 is known in which a cleaning roller holder is used to close the open end of the upper roller support and loading arm.
  • the cleaning roller holder consists of a mounting plate on which a headband for a cleaning roller is arranged. By means of the mounting plate, the cleaning roller holder is attached to the vertical side walls of the upper roller support and loading arm. To fix the mounting plate and to stiffen the upper roller support and loading arm, the mounting plate is riveted or welded with this.
  • a disadvantage of the known from the prior art top roller support and loading arm shows that an exchange of executed as cleaning roller holder closing element is not possible against another usable on a drafting device additional device.
  • the fixation of the cleaning roller holder, especially during riveting results in sharp-edged portions on the upper roller support and loading arm, which can lead to the adhesion of loose fibers.
  • sheet-metal components tend to be thin-walled, so that they present a high potential for injury to operating personnel at their outer edges.
  • the closing element consisting of a plastic be pushed onto the top roller support and loading arm and releasably connected by positive locking with this, that the closing element closes and stiffens the open end of the upper roller support and loading arm, wherein the End element for the interchangeable recording of the drafting device usable additional devices, such as cleaning rollers, core yarn devices, load devices for Kompakt michsaggregate or the like, is formed.
  • the closure element according to the invention is that it is interchangeable with little effort and that the existing plastic end element is variable shaped with respect to its shape, as known from the prior art cleaning roller holder.
  • Another advantage is that the plastic end element is significantly less risk of injury at its edges.
  • the two vertical flanks of the U-profile of the upper roller support and loading arm may each have a protruding attachment portion to which the closure element is pushed.
  • the closing element encloses the two fastening sections at least partially positively, so that the functionally necessary stability is imparted to the front region of the top roller support and loading arm.
  • the closure element can be fastened in a simple manner by sliding onto the fastening sections on the upper roller support and loading arm or by detaching from the fastening sections of the upper roller support and loading arm.
  • the attachment portions may advantageously have a transverse to the joining direction profiling.
  • the profiling can for example have a wavy contour.
  • there are also other shapes or contours of the mounting portions conceivable, for example, with a plurality of transverse to the joining direction, substantially parallel to each other arranged longitudinal grooves on the outside of the mounting portions.
  • a dimensional overlap between the closing element and the fastening portions may be provided, so that a frictional engagement between the closing element and the fastening portions occurs. In this way, the stabilization of the front portion of the upper roller support and loading arm is supported and prevents unintentional removal of the closing element.
  • the end element may have a hook-shaped projection which engages behind the U-shaped profile of the upper roller carrying and loading arm in the pushed-on the fastening portions of the closing element. In this way, a positive connection is achieved, which can also prevent accidental removal of the end element of the support arm.
  • the end element for receiving an additional device may have a substantially U-shaped, upwardly open contour.
  • a cleaning roller can be introduced. It is advantageous that the wear at the points of contact with the cleaning roller shaft, which may consist of metal, due to the pair of tools metal / plastic precipitates much cheaper than is the case in the prior art, where metal rubs metal on metal.
  • At least one latching lug can be arranged in the upper edge region on at least one of the two flanks of the U-shaped end element. This serves to determine the introduced into the opening of the final element cleaning roller or attachment in the vertical direction.
  • the closure element may be formed as a hollow body which is attachable to the adapted to the U-shaped contour of the end element mounting portions of the upper roller support and loading arm. In this way, a significant stabilization of the free-standing arm of the final element is achieved.
  • the formed as an extension of the fastening portions reinforcement prevents accidental breaking off the U-shaped receptacle on the end element.
  • the closing element can have a substantially flat end surface for the arrangement of an additional device on the upper roller carrying and loading arm.
  • the closing element terminates flat on the front side of the top roller support and loading arm and essentially without joints.
  • the closing element can be designed with at least one connection device for non-positive and / or positive-locking arrangement of an additional device.
  • additional facilities such as a device for applying force for Kompakttechniksaggregate or a feeding device for an endless core thread on Oberwalzen support and loading arm.
  • connection device can be designed as at least one threaded bush or threaded hole.
  • connection device can be designed as at least one locking bolt.
  • connection device on the closure element There are also conceivable further embodiments of the connection device on the closure element.
  • Fig. 1 shows a substantially U-shaped end element 1, which consists of plastic and is preferably designed as a hollow profile.
  • the closing element 1 has an opening into which, for example, the shaft of a cleaning roller or other auxiliary device, such as a core yarn device, a loading device for a Kompakt michsaggregat or the like, can be introduced.
  • the representation in Fig. 2 shows a partial perspective view of a U-shaped, downwardly open top roller support and loading arm 2 for a drafting of a spinning machine.
  • Such upper roller support and loading arms 2 are well known in the art and are mounted on a support bar of the machine for attachment to a spinning machine at one end via a support.
  • the representation in Fig. 2 shows the support of a opposite end face of the upper roller supporting and loading arm 2, on which the closing element 1 is arranged, as in Fig. 3 is shown.
  • To attach the end element 1 is connected to the vertical flanks of the U-shaped upper roller support and loading arm 2 each have a protruding mounting portion 3 is provided, on which the closing element 1 can be pushed.
  • the attachment sections 3 For attachment of the end element 1, the attachment sections 3 have a transverse to the joining direction profiling. In addition, a dimensional overlap between the closure element 1 and the profiled fastening sections 3 is provided, such that a frictional engagement occurs between the closing element 1 and the fastening sections 3.
  • at the attachment portions 3 for stabilizing the closure element 1 each be provided as an extension of the mounting portions 3 to the U-shaped contour of the end element 1 matched reinforcement 4, which engages in pockets formed as a hollow body terminating element 1.
  • FIG. 3 shows in a perspective partial view of the deferred to the mounting portions 3 and the reinforcement 4 final element. 1
  • Fig. 4 is a partial perspective view of an alternative embodiment of the upper roller supporting and loading arm disposed end member 1 'according to Fig. 1 shown, in which at least one of the flanks of the upwardly open U-shaped end element (4) at least one latching lug 11 is arranged, which serves to secure from an introduced into the opening auxiliary device.
  • FIG. 5 shows a perspective view of a second embodiment of a closing element 1 '', which has a substantially flat end surface on the front side of the top roller support and loading arm 2.
  • the end element 1 '' is provided with a threaded bushing 5 or a threaded hole, which serves for the simple arrangement of additional devices on the top roller support and loading arm 2.
  • FIG. 6 shows a top roller supporting and loading arm 2, whose attachment portions 3 'according to the configuration of the end element 1''according to Fig. 5 are adjusted.
  • an additional reinforcement as used in the embodiment according to the Fig. 2 is shown waived. This embodiment comes into play when cleaning rollers for the operation of ancillary equipment, which are secured by means of the threaded bushing 5 on the top roller support and loading arm 2, are not required.
  • FIG. 7 shows the upper roller support and loading arm 2 with the on this deferred closure element 1 '' as shown in FIG Fig. 5
  • FIG. 8 is a partial sectional view of the upper roller carrying and loading arm 2 according to the Fig. 7 shown.
  • the figure shows the threaded bushing 5 inserted into the end element 1 "and a hook-shaped projection 8 on the end element 1", which engages behind the support arm 2.
  • Such a hook-shaped projection 8 is of course also in the in the Fig. 1 to 4 illustrated embodiment of the closure element 1, 1 'realized.
  • FIG. 9 The representation in Fig. 9 can be seen how easily an additional device 10 to the end element 1 '' can be fastened.
  • the attachment 10 is fastened by means of a screw 9 on the upper roller support and loading arm 2.
  • a cleaning roller holder be fastened via the screw 9 and the additional device 10 on the upper roller support and loading arm 2.
  • FIG. 10 and 12 Further embodiments of the upper roller carrying and loading arm 2 are shown with terminating elements 1 '' or 1 '''arranged thereon. These differ from the embodiment according to the Fig. 1 in that according to the in Fig. 10 and 11 illustrated embodiment, the top rollers supporting and loading arm 2 facing edge of the end element is provided with a threaded bushing 5.
  • the further alternative in Fig. 12 shows the arrangement of a threaded bushing 5 on the side facing away from the upper roller support and loading arm edge of the upwardly open end element 1 '''.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Description

Die vorliegende Erfindung betrifft einen U-förmigen, nach unten offenen Oberwalzen-Trag- und Belastungsarm eines Streckwerkes einer Spinnereimaschine, der an einem Ende über eine Stütze an einer Haltestange gelagert ist und an dessen der Stütze gegenüberliegenden Stirnseite des Oberwalzen-Trag- und Belastungsarmes ein Abschlusselement angeordnet ist.The present invention relates to a U-shaped, downwardly open upper roller carrying and loading arm of a drafting system of a spinning machine, which is mounted at one end via a support on a support rod and at the opposite end of the support of the top roller support and loading arm End element is arranged.

Aus der deutschen Patentschrift DE 195 04 812 C1 ist ein Oberwalzen-Trag- und Belastungsarm gemäß dem Oberbegriff des Anspruches 1 bekannt, bei dem zum Verschließen der offenen Stirnseite des Oberwalzen-Trag- und Belastungsarmes ein Putzwalzenhalter eingesetzt wird. Der Putzwalzenhalter besteht aus einer Befestigungsplatte, an der ein Haltebügel für eine Putzwalze angeordnet ist. Mittels der Befestigungsplatte wird der Putzwalzenhalter an den senkrechten Seitenwänden des Oberwalzen-Trag- und Belastungsarmes befestigt. Zur Fixierung der Befestigungsplatte sowie zur Versteifung des Oberwalzen-Trag- und Belastungsarmes wird die Befestigungsplatte mit diesem vernietet oder verschweißt.From the German patent DE 195 04 812 C1 a top roller carrying and loading arm according to the preamble of claim 1 is known in which a cleaning roller holder is used to close the open end of the upper roller support and loading arm. The cleaning roller holder consists of a mounting plate on which a headband for a cleaning roller is arranged. By means of the mounting plate, the cleaning roller holder is attached to the vertical side walls of the upper roller support and loading arm. To fix the mounting plate and to stiffen the upper roller support and loading arm, the mounting plate is riveted or welded with this.

Als nachteilig an dem aus dem Stand der Technik bekannten Oberwalzen-Trag- und Belastungsarm zeigt sich, dass ein Austausch des als Putzwalzenhalters ausgeführten Abschlusselementes gegen eine andere an einem Streckwerk verwendbare Zusatzvorrichtung nicht möglich ist. Darüber hinaus führt die Fixierung des Putzwalzenhalters vornehmlich beim Vernieten dazu, dass am Oberwalzen-Trag- und Belastungsarm scharfkantige Abschnitte entstehen, an denen es zur Anhaftung von losen Fasern kommen kann. Des Weiteren sind Bauteile aus Blech tendenziell eher dünnwandig, so dass sie an ihren äußeren Kanten ein hohes Verletzungspotential für Bedienpersonal darstellen.A disadvantage of the known from the prior art top roller support and loading arm shows that an exchange of executed as cleaning roller holder closing element is not possible against another usable on a drafting device additional device. In addition, the fixation of the cleaning roller holder, especially during riveting, results in sharp-edged portions on the upper roller support and loading arm, which can lead to the adhesion of loose fibers. Furthermore, sheet-metal components tend to be thin-walled, so that they present a high potential for injury to operating personnel at their outer edges.

Aufgabe der vorliegenden Erfindung ist es daher, ein einen Oberwalzen-Trag- und Belastungsarm bereitzustellen, welcher eine funktional erweiterte und flexible Ausgestaltung des vorderen Bereichs des Oberwalzen-Trag- und Belastungsarmes aufweist.It is therefore an object of the present invention to provide a top roller support and loading arm having a functionally extended and flexible configuration of the front portion of the top roller support and loading arm.

Dies wird erfindungsgemäß durch die kennzeichnenden Merkmale des Anspruches 1 erreicht.This is inventively achieved by the characterizing features of claim 1.

Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous developments of the invention are the subject of the dependent claims.

Gemäß Anspruch 1 wird vorgeschlagen, dass das aus einem Kunststoff bestehende Abschlusselement auf den Oberwalzen-Trag- und Belastungsarm aufgeschoben und durch Formschluss mit diesem lösbar verbunden ist, dass das Abschlusselement die offene Stirnseite des Oberwalzen-Trag- und Belastungsarm verschließt und versteift, wobei das Abschlusselement zur auswechselbaren Aufnahme von am Streckwerk verwendbaren Zusatzvorrichtungen, wie beispielsweise Putzwalzen, Core-Garn-Einrichtungen, Belastungseinrichtungen für Kompaktierungsaggregate oder dergleichen, ausgebildet ist. Ein wesentlicher Vorteil des erfindungsgemäßen Abschlusselementes besteht darin, dass es mit geringem Aufwand austauschbar ist sowie dass das aus Kunststoff bestehende Abschlusselement hinsichtlich seiner Formgebung variabler gestaltbar ist, als der aus dem Stand der Technik bekannte Putzwalzenhalter. Ein weiterer Vorteil besteht darin, dass das aus Kunststoff bestehende Abschlusselement an seinen Kanten deutlich weniger verletzungsgefährdend ist. Insgesamt lässt sich durch die Ausführung des Abschlusselementes als Kunststoffteil eine Ausprägung als integraler Bestandteil des Trägers erreichen und erlaubt somit eine wesentlich glattflächigere Ausbildung des gesamten Tragarmes, was der Anhaftung von losen Fasern entgegenwirkt. Durch die formschlüssige Verbindung wird die Stabilisierung des Oberwalzen-Trag- und Belastungsarmes erreicht, wobei eine fertigungstechnisch aufwändige Versteifung des Oberwalzen-Trag- und Belastungsarmes beziehungsweise eine unlösbare Verbindung mit dem Oberwalzen-Trag- und Belastungsarm vermieden werden kann. Zudem bedarf es im Gegensatz zum Stand der Technik keiner zusätzlichen Befestigungselemente, wie Niete oder dergleichen. Gegenüber den aus dem Stand der Technik bekannten Befestigungstechniken des Klebens, Lötens oder Schweißens resultiert der Vorteil des zerstörungsfreien Lösens des Abschlusselementes vom Oberwalzen-Trag- und Belastungsarm. Zudem verschließt und versteift das Abschlusselement den Oberwalzen-Trag- und Belastungsarm im vorderen Bereich.In accordance with claim 1, it is proposed that the closing element consisting of a plastic be pushed onto the top roller support and loading arm and releasably connected by positive locking with this, that the closing element closes and stiffens the open end of the upper roller support and loading arm, wherein the End element for the interchangeable recording of the drafting device usable additional devices, such as cleaning rollers, core yarn devices, load devices for Kompaktierungsaggregate or the like, is formed. A significant advantage of the closure element according to the invention is that it is interchangeable with little effort and that the existing plastic end element is variable shaped with respect to its shape, as known from the prior art cleaning roller holder. Another advantage is that the plastic end element is significantly less risk of injury at its edges. Overall, can be achieved as an integral part of the carrier by the execution of the end element as a plastic part an expression and thus allows a much smoother surface design of the entire support arm, which counteracts the adhesion of loose fibers. Due to the positive connection, the stabilization of the Upper roller carrying and loading arm achieved, with a production-technically complex stiffening of the upper roller support and loading arm or a permanent connection with the upper roller support and loading arm can be avoided. In addition, in contrast to the prior art, no additional fastening elements, such as rivets or the like are required. Compared to the known from the prior art fastening techniques of gluing, soldering or welding results in the advantage of non-destructive loosening of the closing element of the top roller support and loading arm. In addition, the closing element closes and stiffens the upper roller carrying and loading arm in the front area.

Vorteilhafterweise können die beiden senkrechten Flanken des U-Profils des Oberwalzen-Trag- und Belastungsarmes jeweils einen hervorstehenden Befestigungsabschnitt aufweisen, auf die das Abschlusselement aufschiebbar ist. Das Abschlusselement umschließt die beiden Befestigungsabschnitte zumindest teilweise formschlüssig, so dass dem vorderen Bereich des Oberwalzen-Trag- und Belastungsarmes die funktional notwendige Stabilität verliehen wird. Zudem ist das Abschlusselement auf einfache Weise durch Aufschieben auf die Befestigungsabschnitte an dem Oberwalzen-Trag- und Belastungsarm befestigbar beziehungsweise durch Abziehen von den Befestigungsabschnitten von dem Oberwalzen-Trag- und Belastungsarm lösbar.Advantageously, the two vertical flanks of the U-profile of the upper roller support and loading arm may each have a protruding attachment portion to which the closure element is pushed. The closing element encloses the two fastening sections at least partially positively, so that the functionally necessary stability is imparted to the front region of the top roller support and loading arm. In addition, the closure element can be fastened in a simple manner by sliding onto the fastening sections on the upper roller support and loading arm or by detaching from the fastening sections of the upper roller support and loading arm.

Dazu können die Befestigungsabschnitte vorteilhafterweise eine quer zur Fügerichtung verlaufende Profilierung aufweisen. Die Profilierung kann beispielsweise eine gewellte Kontur haben. Es sind aber auch andere Formen oder Konturen der Befestigungsabschnitte denkbar, beispielsweise mit mehreren quer zur Fügerichtung verlaufenden, im Wesentlichen parallel zueinander angeordneten Längsnuten an der Außenseite der Befestigungsabschnitte.For this purpose, the attachment portions may advantageously have a transverse to the joining direction profiling. The profiling can for example have a wavy contour. But there are also other shapes or contours of the mounting portions conceivable, for example, with a plurality of transverse to the joining direction, substantially parallel to each other arranged longitudinal grooves on the outside of the mounting portions.

Zusätzlich oder alternativ kann eine maßliche Überlappung zwischen dem Abschlusselement und den Befestigungsabschnitten vorgesehen sein, so dass ein Reibschluss zwischen dem Abschlusselement und den Befestigungsabschnitten auftritt. Auf diese Weise wird die Stabilisierung des vorderen Bereiches des Oberwalzen-Trag- und Belastungsarmes unterstützt und ein unbeabsichtigtes Abziehen des Abschlusselementes verhindert.Additionally or alternatively, a dimensional overlap between the closing element and the fastening portions may be provided, so that a frictional engagement between the closing element and the fastening portions occurs. In this way, the stabilization of the front portion of the upper roller support and loading arm is supported and prevents unintentional removal of the closing element.

Darüber hinaus kann das Abschlusselement einen hakenförmigen Vorsprung aufweisen, der das U-förmige Profil des Oberwalzen-Trag- und Belastungsarmes in auf die Befestigungsabschnitte aufgeschobener Position des Abschlusselementes hintergreift. Auf diese Weise wird ein Formschluss erzielt, der ein versehentliches Abziehen des Abschlusselementes vom Tragarm ebenfalls verhindern kann.In addition, the end element may have a hook-shaped projection which engages behind the U-shaped profile of the upper roller carrying and loading arm in the pushed-on the fastening portions of the closing element. In this way, a positive connection is achieved, which can also prevent accidental removal of the end element of the support arm.

Vorzugsweise kann das Abschlusselement zur Aufnahme einer Zusatzvorrichtung eine im Wesentlichen U-förmige, nach oben hin offene Kontur aufweisen. In die sich zwischen den Flanken der U-förmigen Kontur ausbildenden Öffnung des Abschlusselementes kann beispielsweise eine Putzwalze eingebracht werden. Dabei ist es von Vorteil, dass der Verschleiß an den Berührungsstellen zur Putzwalzenwelle, die aus Metall bestehen kann, aufgrund der Werkzeugpaarung Metall/Kunststoff deutlich günstiger ausfällt als es im Stand der Technik der Fall ist, wo Metall auf Metall reibt.Preferably, the end element for receiving an additional device may have a substantially U-shaped, upwardly open contour. In the forming between the flanks of the U-shaped contour opening of the closing element, for example, a cleaning roller can be introduced. It is advantageous that the wear at the points of contact with the cleaning roller shaft, which may consist of metal, due to the pair of tools metal / plastic precipitates much cheaper than is the case in the prior art, where metal rubs metal on metal.

Weiterhin kann an zumindest einer der beiden Flanken des U-förmigen Abschlusselementes zumindest eine Rastnase im oberen Randbereich angeordnet sein. Diese dient der Festlegung der in die Öffnung des Abschlusselementes eingebrachten Putzwalze oder Zusatzeinrichtung in vertikaler Richtung.Furthermore, at least one latching lug can be arranged in the upper edge region on at least one of the two flanks of the U-shaped end element. This serves to determine the introduced into the opening of the final element cleaning roller or attachment in the vertical direction.

Insbesondere kann das Abschlusselement als ein Hohlkörper ausgebildet sein, welcher auf die an die U-förmige Kontur des Abschlusselementes angepassten Befestigungsabschnitte des Oberwalzen-Trag- und Belastungsarmes aufsteckbar ist. Auf diese Weise wird eine deutliche Stabilisierung des freistehenden Armes des Abschlusselementes erreicht. Die als Fortsatz der Befestigungsabschnitte ausgebildete Armierung verhindert das versehentliche Abbrechen der U-förmigen Aufnahme am Abschlusselement.In particular, the closure element may be formed as a hollow body which is attachable to the adapted to the U-shaped contour of the end element mounting portions of the upper roller support and loading arm. In this way, a significant stabilization of the free-standing arm of the final element is achieved. The formed as an extension of the fastening portions reinforcement prevents accidental breaking off the U-shaped receptacle on the end element.

In vorteilhafter Weiterbildung kann das Abschlusselement eine im Wesentlichen ebene Abschlussfläche für die Anordnung einer Zusatzeinrichtung am Oberwalzen-Trag- und Belastungsarm aufweisen. Das Abschlusselement schließt dabei an der Stirnseite des Oberwalzen-Trag- und Belastungsarmes plan und im Wesentlichen fugenfrei ab.In an advantageous development, the closing element can have a substantially flat end surface for the arrangement of an additional device on the upper roller carrying and loading arm. The closing element terminates flat on the front side of the top roller support and loading arm and essentially without joints.

In einer weiteren Ausgestaltung der Erfindung kann das Abschlusselement mit zumindest einer Anschlusseinrichtung zur kraft- und/oder formschlüssigen Anordnung einer Zusatzeinrichtung ausgeführt sein. Diese erlaubt mittels zumindest der einen Anschlusseinrichtung die Befestigung zusätzlicher Einrichtungen, wie eine Vorrichtung zur Kraftbeaufschlagung für Kompaktierungsaggregate oder eine Zuführungseinrichtung für einen endlosen Kernfaden am Oberwalzen-Trag- und Belastungsarm.In a further embodiment of the invention, the closing element can be designed with at least one connection device for non-positive and / or positive-locking arrangement of an additional device. This allows by means of at least one connection device, the attachment of additional facilities, such as a device for applying force for Kompaktierungsaggregate or a feeding device for an endless core thread on Oberwalzen support and loading arm.

Hierzu kann die Anschlusseinrichtung als zumindest eine Gewindebuchse oder Gewindebohrung ausgeführt sein.For this purpose, the connection device can be designed as at least one threaded bush or threaded hole.

Ebenso kann die Anschlusseinrichtung als zumindest ein Rastbolzen ausgeführt sein. Es sind auch noch weitere Ausgestaltungen der Anschlusseinrichtung an dem Abschlusselement denkbar.Likewise, the connection device can be designed as at least one locking bolt. There are also conceivable further embodiments of the connection device on the closure element.

Die Erfindung wird nachfolgend anhand von in den Zeichnungen dargestellten Ausführungsbeispielen näher erläutert.
Darin zeigen:

Fig. 1
eine perspektivische Ansicht eines erfindungsgemäßen Abschlusselementes;
Fig. 2
eine perspektivische Teilansicht eines Oberwalzen-Trag- und Belastungsarmes mit einer Armierung;
Fig. 3
eine perspektivische Teilansicht des auf Befestigungsabschnitte beziehungsweise die Armierung aufgeschobenen Abschlusselementes gemäß Fig. 1;
Fig. 4
eine perspektivische Teilansicht einer alternativen Ausführungsform des am Oberwalzen-Trag- und Belastungsarm angeordneten Abschlusselementes gemäß Fig. 3;
Fig. 5
eine perspektivische Ansicht einer zweiten Ausführungsform des Abschlusselementes;
Fig. 6
eine perspektivische Teilansicht des Oberwalzen-Trag- und Belastungsarmes zur Anordnung eines Abschlusselementes gemäß Fig. 5;
Fig. 7
eine perspektivische Teilansicht des auf Befestigungsabschnitte beziehungsweise die Armierung aufgeschobenen Abschlusselementes gemäß Fig. 5;
Fig. 8
eine Teilschnittansicht des Oberwalzen-Trag- und Belastungsarmes gemäß Fig. 7;
Fig. 9
eine perspektivische Ansicht des Oberwalzen-Trag- und Belastungsarmes mit einer daran angeordneten Zusatzeinrichtung;
Fig. 10
eine perspektivische Teilansicht einer dritten Ausführungsform des am Oberwalzen-Trag- und Belastungsarm angeordneten Abschlusselementes;
Fig. 11
eine Teilschnittansicht des Oberwalzen-Trag- und Belastungsarmes gemäß Fig. 10;
Fig. 12
eine perspektivische Teilansicht einer vierten Ausführungsform des am Oberwalzen-Trag- und Belastungsarm angeordneten Abschlusselementes.
The invention will be explained in more detail with reference to embodiments shown in the drawings.
Show:
Fig. 1
a perspective view of a final element according to the invention;
Fig. 2
a partial perspective view of a top roller carrying and loading arm with a reinforcement;
Fig. 3
a perspective partial view of the pushed onto mounting portions or the reinforcement end element according to Fig. 1 ;
Fig. 4
a partial perspective view of an alternative embodiment of the upper roller supporting and loading arm disposed end member according to Fig. 3 ;
Fig. 5
a perspective view of a second embodiment of the closing element;
Fig. 6
a partial perspective view of the upper roller carrying and loading arm for the arrangement of a closure element according to Fig. 5 ;
Fig. 7
a perspective partial view of the pushed onto mounting portions or the reinforcement end element according to Fig. 5 ;
Fig. 8
a partial sectional view of the upper roller support and loading arm according to Fig. 7 ;
Fig. 9
a perspective view of the upper roller carrying and loading arm with an additional device arranged thereon;
Fig. 10
a partial perspective view of a third embodiment of the disposed on the upper roller support and loading arm terminating element;
Fig. 11
a partial sectional view of the upper roller support and loading arm according to Fig. 10 ;
Fig. 12
a partial perspective view of a fourth embodiment of the upper roller supporting and loading arm disposed end member.

Die Darstellung in Fig. 1 zeigt ein im Wesentlichen U-förmiges Abschlusselement 1, welches aus Kunststoff besteht und vorzugsweise als ein Hohlprofil ausgeführt ist. Das Abschlusselement 1 weist eine Öffnung auf, in die beispielsweise die Welle einer Putzwalze oder eine andere Zusatzeinrichtung, wie beispielsweise eine Core-Garn-Einrichtung, eine Belastungseinrichtung für ein Kompaktierungsaggregat oder dergleichen, einbringbar ist.The representation in Fig. 1 shows a substantially U-shaped end element 1, which consists of plastic and is preferably designed as a hollow profile. The closing element 1 has an opening into which, for example, the shaft of a cleaning roller or other auxiliary device, such as a core yarn device, a loading device for a Kompaktierungsaggregat or the like, can be introduced.

Die Darstellung in Fig. 2 zeigt eine perspektivische Teilansicht eines U-förmigen, nach unten offenen Oberwalzen-Trag- und Belastungsarmes 2 für ein Streckwerk einer Spinnereimaschine. Derartige Oberwalzen-Trag- und Belastungsarme 2 sind aus dem Stand der Technik hinlänglich bekannt und werden zur Befestigung an einer Spinnereimaschine an einem Ende über eine Stütze an einer Haltestange der Maschine gelagert. Die Darstellung in Fig. 2 zeigt die einer Stütze gegenüberliegende Stirnseite des Oberwalzen-Trag- und Belastungsarmes 2, an dem das Abschlusselement 1 angeordnet wird, wie in Fig. 3 dargestellt ist. Zur Befestigung des Abschlusselementes 1 ist an den senkrechten Flanken des U-förmigen Oberwalzen-Trag- und Belastungsarmes 2 jeweils ein hervorstehender Befestigungsabschnitt 3 vorgesehen, auf den das Abschlusselement 1 aufschiebbar ist. Zur Befestigung des Abschlusselementes 1 weisen die Befestigungsabschnitte 3 eine quer zur Fügerichtung verlaufende Profilierung auf. Darüber hinaus ist eine maßliche Überlappung zwischen dem Abschlusselement 1 und den profilierten Befestigungsabschnitten 3 vorgesehen, derart, dass zwischen dem Abschlusselement 1 und den Befestigungsabschnitten 3 ein Reibschluss auftritt. Zudem kann, wie in Fig. 2 dargestellt, an den Befestigungsabschnitten 3 zur Stabilisierung des Abschlusselementes 1 jeweils eine als Verlängerung der Befestigungsabschnitte 3 an die U-förmige Kontur des Abschlusselementes 1 angepasste Armierung 4 vorgesehen sein, die in Taschen des als Hohlkörper ausgebildeten Abschlusselementes 1 eingreift.The representation in Fig. 2 shows a partial perspective view of a U-shaped, downwardly open top roller support and loading arm 2 for a drafting of a spinning machine. Such upper roller support and loading arms 2 are well known in the art and are mounted on a support bar of the machine for attachment to a spinning machine at one end via a support. The representation in Fig. 2 shows the support of a opposite end face of the upper roller supporting and loading arm 2, on which the closing element 1 is arranged, as in Fig. 3 is shown. To attach the end element 1 is connected to the vertical flanks of the U-shaped upper roller support and loading arm 2 each have a protruding mounting portion 3 is provided, on which the closing element 1 can be pushed. For attachment of the end element 1, the attachment sections 3 have a transverse to the joining direction profiling. In addition, a dimensional overlap between the closure element 1 and the profiled fastening sections 3 is provided, such that a frictional engagement occurs between the closing element 1 and the fastening sections 3. In addition, as in Fig. 2 shown, at the attachment portions 3 for stabilizing the closure element 1 each be provided as an extension of the mounting portions 3 to the U-shaped contour of the end element 1 matched reinforcement 4, which engages in pockets formed as a hollow body terminating element 1.

Die Darstellung in Fig. 3 zeigt in perspektivischer Teilansicht das auf die Befestigungsabschnitte 3 beziehungsweise die Armierung 4 aufgeschobene Abschlusselement 1.The representation in Fig. 3 shows in a perspective partial view of the deferred to the mounting portions 3 and the reinforcement 4 final element. 1

In Fig. 4 ist eine perspektivische Teilansicht einer alternativen Ausführungsform des am Oberwalzen-Trag- und Belastungsarm angeordneten Abschlusselementes 1' gemäß Fig. 1 dargestellt, bei der an zumindest einer der Flanken des nach oben offenen U-förmigen Abschlusselementes (4) zumindest eine Rastnase 11 angeordnet ist, die der Sicherung von einer in die Öffnung eingebrachten Zusatzeinrichtung dient.In Fig. 4 is a partial perspective view of an alternative embodiment of the upper roller supporting and loading arm disposed end member 1 'according to Fig. 1 shown, in which at least one of the flanks of the upwardly open U-shaped end element (4) at least one latching lug 11 is arranged, which serves to secure from an introduced into the opening auxiliary device.

Die Darstellung in Fig. 5 zeigt eine perspektivische Ansicht einer zweiten Ausführungsform eines Abschlusselementes 1'', welches eine im Wesentlichen ebene Abschlussfläche an der Stirnseite des Oberwalzen-Trag- und Belastungsarmes 2 aufweist.The representation in Fig. 5 shows a perspective view of a second embodiment of a closing element 1 '', which has a substantially flat end surface on the front side of the top roller support and loading arm 2.

Das Abschlusselement 1'' ist mit einer Gewindebuchse 5 oder einer Gewindebohrung versehen, die der einfachen Anordnung von Zusatzeinrichtungen an dem Oberwalzen-Trag- und Belastungsarm 2 dient.The end element 1 '' is provided with a threaded bushing 5 or a threaded hole, which serves for the simple arrangement of additional devices on the top roller support and loading arm 2.

Die Darstellung in Fig. 6 zeigt einen Oberwalzen-Trag- und Belastungsarm 2, dessen Befestigungsabschnitte 3' entsprechend an die Ausgestaltung des Abschlusselementes 1'' gemäß Fig. 5 angepasst sind. In dieser Ausführungsform wird auf eine zusätzliche Armierung, wie sie im Ausführungsbeispiel gemäß der Fig. 2 dargestellt ist, verzichtet. Diese Ausführungsform kommt zum Tragen, wenn Putzwalzen für den Betrieb von Zusatzeinrichtungen, die mittels der Gewindebuchse 5 am Oberwalzen-Trag- und Belastungsarm 2 befestigt werden, nicht erforderlich sind.The representation in Fig. 6 shows a top roller supporting and loading arm 2, whose attachment portions 3 'according to the configuration of the end element 1''according to Fig. 5 are adjusted. In this embodiment, an additional reinforcement, as used in the embodiment according to the Fig. 2 is shown waived. This embodiment comes into play when cleaning rollers for the operation of ancillary equipment, which are secured by means of the threaded bushing 5 on the top roller support and loading arm 2, are not required.

Die Darstellung in Fig. 7 zeigt den Oberwalzen-Trag- und Belastungsarm 2 mit dem auf diesen aufgeschobenen Abschlusselement 1'' gemäß der Darstellung in Fig. 5. In Fig. 8 ist eine Teilschnittansicht des Oberwalzen-Trag- und Belastungsarmes 2 gemäß der Fig. 7 dargestellt. Die Abbildung zeigt die in das Abschlusselement 1'' eingefügte Gewindebuchse 5 sowie einen hakenförmiger Vorsprung 8 an dem Abschlusselement 1'', welcher den Tragarm 2 hintergreift. Ein solcher hakenförmiger Vorsprung 8 ist selbstverständlich auch bei der in den Fig. 1 bis 4 dargestellten Ausführungsform des Abschlusselementes 1, 1' realisierbar.The representation in Fig. 7 shows the upper roller support and loading arm 2 with the on this deferred closure element 1 '' as shown in FIG Fig. 5 , In Fig. 8 is a partial sectional view of the upper roller carrying and loading arm 2 according to the Fig. 7 shown. The figure shows the threaded bushing 5 inserted into the end element 1 "and a hook-shaped projection 8 on the end element 1", which engages behind the support arm 2. Such a hook-shaped projection 8 is of course also in the in the Fig. 1 to 4 illustrated embodiment of the closure element 1, 1 'realized.

Der Darstellung in Fig. 9 ist zu entnehmen, wie in einfacher Weise eine Zusatzeinrichtung 10 an dem Abschlusselement 1'' befestigbar ist. Hierzu wird die Zusatzeinrichtung 10 mittels einer Schraube 9 am Oberwalzen-Trag- und Belastungsarm 2 befestigt. Ergänzend kann bei dieser Ausführungsform des Abschlusselementes 1'' zusätzlich ein Putzwalzenhalter befestigt werden, der ebenfalls über die Schraube 9 und die Zusatzeinrichtung 10 am Oberwalzen-Trag- und Belastungsarm 2 befestigbar ist.The representation in Fig. 9 can be seen how easily an additional device 10 to the end element 1 '' can be fastened. For this purpose, the attachment 10 is fastened by means of a screw 9 on the upper roller support and loading arm 2. In addition, in this embodiment of the closing element 1 '' additionally fixed a cleaning roller holder be fastened via the screw 9 and the additional device 10 on the upper roller support and loading arm 2.

In den Fig. 10 und 12 sind weitere Ausführungsformen des Oberwalzen-Trag- und Belastungsarmes 2 mit daran angeordneten Abschlusselementen 1'' oder 1''' dargestellt. Diese unterscheiden sich von der Ausführungsform gemäß der Fig. 1 dadurch, dass gemäß der in den Fig. 10 und 11 dargestellten Ausführungsform die dem Oberwalzen-Trag- und Belastungsarm 2 zugewandte Flanke des Abschlusselementes mit einer Gewindebuchse 5 versehen ist. Die weitere Alternative in Fig. 12 zeigt die Anordnung einer Gewindebuchse 5 an der dem Oberwalzen-Trag- und Belastungsarm abgewandten Flanke des nach oben offenen Abschlusselementes 1'''.In the Fig. 10 and 12 Further embodiments of the upper roller carrying and loading arm 2 are shown with terminating elements 1 '' or 1 '''arranged thereon. These differ from the embodiment according to the Fig. 1 in that according to the in Fig. 10 and 11 illustrated embodiment, the top rollers supporting and loading arm 2 facing edge of the end element is provided with a threaded bushing 5. The further alternative in Fig. 12 shows the arrangement of a threaded bushing 5 on the side facing away from the upper roller support and loading arm edge of the upwardly open end element 1 '''.

Claims (12)

  1. U-shaped top roller carrying and weighting arm (2), which is open at the bottom, for a drafting arrangement of a spinning machine, which is mounted at one end by a support on a holding rod, and arranged on the end face thereof opposing the support, of the top roller carrying and weighting arm (2) is a closing element (1, 1', 1", 1"'), characterised in that the closing element (1, 1', 1", 1'") consisting of a plastics material is pushed onto the top roller carrying and weighting arm (2) and is releasably connected thereto by a form closure, in that the closing element closes and reinforces the open end face of the top roller carrying and weighting arm and in that the closing element (1, 1', 1", 1'") is configured to exchangeably receive additional devices (10) which can be used on the drafting arrangement.
  2. Top roller carrying and weighting arm (2) according to claim 1, characterised in that the perpendicular flanks of the U-shaped top roller carrying and weighting arm (2) in each case have a projecting fastening portion (3), onto which the closing element (1, 1', 1", 1'") can be pushed.
  3. Top roller carrying and weighting arm (2) according to claim 2, characterised in that the fastening portions (3) have a profiling extending transversely to the joint direction.
  4. Top roller carrying and weighting arm (2) according to any one of claims 2 to 3, characterised in that a dimensional overlapping is provided between the closing element (1, 1', 1", 1"') and the fastening portions (3), so that a frictional engagement occurs between the closing element (1, 1', 1", 1"') and the fastening portions (3).
  5. Top roller carrying and weighting arm (2) according to any one of claims 2 to 4, characterised in that the closing element (1, 1', 1", 1"') has a hook-shaped projection (8), which engages behind the U-shaped profile of the top roller carrying and weighting arm (2) in the position in which the closing element (1, 1', 1", 1"') is pushed onto the fastening portions (3).
  6. Top roller carrying and weighting arm (2) according to any one of claims 1 to 5, characterised in that the closing element (1, 1', 1", 1"') has a U-shaped contour which is open at the top to receive an additional device (10).
  7. Top roller carrying and weighting arm (2) according to claim 6, characterised in that at least one latching lug (11) is arranged in the upper edge region at least on one of the flanks of the U-shaped closing element (1, 1', 1", 1"').
  8. Top roller carrying and weighting arm (2) according to either of claims 6 or 7, characterised in that the closing element (1, 1', 1", 1"') is configured as a hollow body, which can be placed on fastening portions (3) of the top roller carrying and weighting arm (2) adapted to the U-shaped contour of the closing element (1, 1', 1", 1"').
  9. Top roller carrying and weighting arm (2) according to any one of claims 1 to 5, characterised in that the closing element (1) has a substantially level closing face for the arrangement of an additional device (10).
  10. Top roller carrying and weighting arm (2) according to any one of claims 1 to 9, characterised in that the closing element (1, 1', 1", 1"') is configured with at least one connection device for the arrangement with frictional engagement and/or a form closure of an additional device (10).
  11. Top roller carrying and weighting arm (2) according to claim 10, characterised in that the connection device is configured as at least one threaded bushing (5) or threaded bore.
  12. Top roller carrying and weighting arm (2) according to claim 10, characterised in that the connection device is configured as at least one stop bolt.
EP20090007654 2008-08-06 2009-06-10 Upper cylinder carrying and load arm Active EP2151513B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008036664A DE102008036664A1 (en) 2008-08-06 2008-08-06 Top roller carrying and loading arm

Publications (3)

Publication Number Publication Date
EP2151513A2 EP2151513A2 (en) 2010-02-10
EP2151513A3 EP2151513A3 (en) 2010-04-14
EP2151513B1 true EP2151513B1 (en) 2014-04-30

Family

ID=41138734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090007654 Active EP2151513B1 (en) 2008-08-06 2009-06-10 Upper cylinder carrying and load arm

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EP (1) EP2151513B1 (en)
JP (1) JP5535544B2 (en)
CN (1) CN101643949B (en)
DE (1) DE102008036664A1 (en)
ES (1) ES2462749T3 (en)
RU (1) RU2507321C2 (en)
TW (1) TWI490382B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114729473A (en) * 2019-11-07 2022-07-08 罗托卡夫特公司 Top arm for spinning machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1904344A (en) * 1931-03-04 1933-04-18 James A Andrews Support for clearer rolls
NL92059C (en) * 1954-04-01
FR1179853A (en) * 1957-07-25 1959-05-28 Alsacienne Constr Meca Pressure arms, in particular for devices for drawing textile fibers
SU137795A1 (en) * 1960-09-21 1960-11-30 Л.Г. Беккер Device for loading pressure rollers of an exhaust device, for example, a spinning machine
DE1833936U (en) * 1961-04-05 1961-06-29 Skf Kugellagerfabriken Gmbh SURFACE ROLLER HOLDER FOR SPINNING MACHINE DRAWING PLANTS.
DE19521265C2 (en) * 1994-06-22 1998-02-19 Skf Textilmasch Komponenten Drafting system for spinning machines
DE19504812C1 (en) * 1995-02-14 1996-08-14 Skf Textilmasch Komponenten Holder for cleaning roller at sliver drawing unit
JPH11315426A (en) * 1998-04-28 1999-11-16 Toyota Autom Loom Works Ltd Top clearer bracket for weighting arm of spinning machinery
DE10249589A1 (en) * 2002-10-24 2004-05-13 Texparts Gmbh Drafting system for spinning units
DE10302880A1 (en) * 2003-01-25 2004-08-05 Texparts Gmbh Closing element for compressed air-carrying polygonal tubes
DE102005026792B4 (en) * 2005-06-10 2020-10-22 Saurer Spinning Solutions Gmbh & Co. Kg Top roller support and loading arm

Also Published As

Publication number Publication date
CN101643949B (en) 2012-09-26
EP2151513A2 (en) 2010-02-10
TWI490382B (en) 2015-07-01
EP2151513A3 (en) 2010-04-14
RU2507321C2 (en) 2014-02-20
DE102008036664A1 (en) 2010-02-11
JP2010037709A (en) 2010-02-18
RU2009130029A (en) 2011-02-10
ES2462749T3 (en) 2014-05-26
CN101643949A (en) 2010-02-10
TW201012993A (en) 2010-04-01
JP5535544B2 (en) 2014-07-02

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