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EP0352460B1 - Device with an opening cylinder for spinning machines - Google Patents

Device with an opening cylinder for spinning machines Download PDF

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Publication number
EP0352460B1
EP0352460B1 EP89110625A EP89110625A EP0352460B1 EP 0352460 B1 EP0352460 B1 EP 0352460B1 EP 89110625 A EP89110625 A EP 89110625A EP 89110625 A EP89110625 A EP 89110625A EP 0352460 B1 EP0352460 B1 EP 0352460B1
Authority
EP
European Patent Office
Prior art keywords
opening cylinder
basic body
bearing housing
channels
unit according
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.)
Expired - Lifetime
Application number
EP89110625A
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German (de)
French (fr)
Other versions
EP0352460A1 (en
Inventor
Karl-Heinz Schmolke
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.)
Hollingsworth GmbH
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Hollingsworth 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 Hollingsworth GmbH filed Critical Hollingsworth GmbH
Priority to AT89110625T priority Critical patent/ATE76120T1/en
Publication of EP0352460A1 publication Critical patent/EP0352460A1/en
Application granted granted Critical
Publication of EP0352460B1 publication Critical patent/EP0352460B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers

Definitions

  • the invention relates to an opening roller unit for open-end spinning machines, with a shaft rotatably mounted in a bearing housing, on the free end protruding from the bearing housing, an opening roller is rotatably attached, which preferably has a removable, axially attached cover on its end facing away from the bearing housing is covered, and which engages behind the bearing housing to form a cavity which is sealed to the bearing housing by an annular sealing gap.
  • Such an opening roller unit is described in DE-OS 27 52 591.
  • dirt such as micro dust
  • a sealing gap between the bearing housing and the opening roller.
  • the opening roller In the known opening roller unit, the opening roller must be removed from the shaft for this, which is relatively cumbersome.
  • a opening roller unit is known from DE-PS 31 23 480, in which the The opening roller unit essentially consists of a base body and an opening roller ring fitted with a fitting thereon.
  • the cavity is covered by the opening roller ring. If you want to clean the cavity, it is still necessary here that at least the opening roller ring is removed. Since the opening roller ring is pressed onto the base body by means of a tensioning element, exposing the cavity for cleaning purposes is also relatively complex there.
  • the object of the present invention is therefore to improve an opening roller unit of the type mentioned at the outset in such a way that the cavity can be freed from the micro-dust which has penetrated through the sealing gap in a simple manner.
  • At least two cleaning channels are formed in the opening roller which are arranged essentially parallel to the opening roller axis and which extend from the cavity to at least one end face of the opening roller.
  • the easily removable cover needs to be removed, so that compressed air can be fed into one of the two cleaning channels with a compressed air nozzle.
  • the dust located in the cavity is then blown out of the other cleaning channel.
  • This cleaning can be carried out easily, since neither a removal of the opening roller ring nor a dismantling of the opening roller unit is necessary, so that the service life of the opening roller unit can be easily extended.
  • a cleaning of the cavity is usually only then if it is easy to do, as here.
  • the cleaning of the cavity can be accomplished particularly easily if the cleaning channels extend through the cover. Then it is not even necessary to remove the cover.
  • the opening roller consists of a base body and an opening roller ring equipped with replaceable fittings, and if the cleaning channels are formed from the base body. Then the cleaning of the cavity can take place regardless of the type of the opening roller ring applied.
  • the opening roller consists of a base body and a fitting-equipped opening roller ring fitted thereon, and if the cleaning channels are formed on the inner top side of the opening roller ring facing the base body.
  • the advantage here is in particular that opening roller units which are already in operation and which do not yet have any cleaning channels can be easily retrofitted as soon as the opening roller rings have to be replaced anyway due to wear. Once such an opening roller ring is attached, the cleaning of the cavity is considerably simplified.
  • the cavity is formed in the base body and if essentially radial connecting channels are formed in the base body, which from the outer upper side of the opening roller facing the opening roller ring Lead the main body to the cavity. So there is a direct connection between the Connecting channels and the cleaning channels, without the mechanical strength of the base body would suffer.
  • the cleaning channels are arranged diametrically opposite one another. As a result, particularly rapid cleaning of the cavity is achieved when a cleaning duct is pressurized with compressed air.
  • an opening roller unit for open-end spinning machines is shown.
  • the opening roller unit comprises a bearing housing 1 in which a shaft 2 is rotatably mounted. At its free end protruding from the bearing housing 1, an opening roller 3 is pressed onto the shaft 2 in a rotationally fixed manner.
  • the opening roller 3 consists of a base body 4 pressed onto the shaft 2 and a opening roller ring 5 pushed onto the outer upper side of the base body 4. On the end facing away from the bearing housing 1, the opening roller 3 is covered by a cover 7.
  • the cover 7 can be screwed to the base body 4 by means of three screws 8 distributed over the circumference, of which only the center lines are indicated; however, it is also possible for the cover 7 to be screwed onto the shaft 2 via a central screw.
  • the cover 7 also has a collar 9, with which it braces the opening roller ring 5 against the collar 6 of the base body 4.
  • the base body 4 mounted on the shaft 2 in a rotationally fixed manner engages over the bearing housing 1 and forms a cavity 10. This cavity is sealed off from the bearing housing 1 by a sealing gap 11 formed between the bearing housing 1 and the base body 4.
  • the cavity 10 is open to the outer upper side of the base body 4 through two diametrically opposite radial connecting channels 12.
  • the opening roller ring 5 has on its radial upper side facing the base body 4 a circumferential recess 13 into which the connecting channels 12 open.
  • a centering shoulder 14 is provided on the base body 4, which has an outer diameter which corresponds to the inner diameter of the recess 13.
  • the recess 13 is open axially towards the end of the opening roller ring 5.
  • Two cleaning channels 15 extend diametrically opposite one another from the recess 13 parallel to the axis of the opening roller 3 to the cover 7.
  • the cover 7 is penetrated by openings 16 congruent with the cleaning channels 15, so that the cleaning channels 15 open into the open.
  • FIG. 4 The exemplary embodiment according to FIG. 4 is described below.
  • the same reference numerals are used for identical and similar components. Only the differences from the exemplary embodiment described in FIGS. 1 to 3 will be discussed.
  • two axial cleaning channels 15 are provided in the base body 4, which open directly into the cavity 10 and extend to the cover 7. No openings are provided in the cover 7, and there are no grooves and recesses on the inside of the opening roller ring 5 because they are not necessary.
  • a certain amount of micro dust gets into the cavity 10 through the sealing gap 11, which can never be completely sealed.
  • the cavity 10 is able to receive a certain amount of micro dust without this not being shown Bearing between the bearing housing 1 and the shaft 2 would be affected. If the predetermined amount of micro dust is exceeded, it can happen that the micro dust gets from the cavity between the bearing housing 1 and the shaft 2 and from there into the shaft bearing, which leads to an impairment of the shaft bearing. It is therefore desirable to clean the cavity 10 from time to time.
  • only a pneumatic tool e.g. B. the existing in each textile compressed air gun to be attached to one of the two openings 16 in the lid 7, after which compressed air is then applied.
  • the cavity 10 can be cleaned in a similar manner.
  • the cover 7 has to be removed, so that one can get directly to one of the cleaning channels 15 with the compressed air tool.
  • the compressed air fed in there arrives directly into the cavity 10 and from there back into the cleaning channel opposite Free. Then the cover 7 is reassembled using the screws 8.
  • a cleaning channel is formed on the inside of the opening roller ring, while the other cleaning channel is formed in the base body.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to an opening cylinder unit for open-end spinning machines. An opening cylinder (3) is mounted to transmit rotations on a shaft rotatable mounted in a bearing housing, which is covered at one front side by an axially fitted cover. The opening cylinder engages over the bearing housing forming a hollow space. In order that the hollow space can be freed from penetrated microdust in simple fashion, at least two cleaning ducts (15) disposed substantially in parallel to the axis of the opening cylinder are formed in the opening cylinder (3), which extend from the hollow space at least to one front side of the opening cylinder. The hollow space can be cleaned by these cleaning ducts using compressed air.

Description

Die Erfindung bezieht sich auf eine Auflösewalzeneinheit für Offenend-Spinnmaschinen, mit einer in einem Lagergehäuse drehbar gelagerten Welle, auf deren aus dem Lagergehäuse ragenden freien Ende eine Auflösewalze drehfest angebracht ist, die vorzugsweise an ihrer dem Lagergehäuse abgewandten Stirnseite mit einem abnehmbaren, axial aufgesetzten Deckel abgedeckt ist, und die das Lagergehäuse unter Bildung eines Hohlraumes hintergreift, der zum Lagergehäuse durch einen ringförmigen Dichtspalt abgedichtet ist.The invention relates to an opening roller unit for open-end spinning machines, with a shaft rotatably mounted in a bearing housing, on the free end protruding from the bearing housing, an opening roller is rotatably attached, which preferably has a removable, axially attached cover on its end facing away from the bearing housing is covered, and which engages behind the bearing housing to form a cavity which is sealed to the bearing housing by an annular sealing gap.

Eine solche Auflösewalzeneinheit ist in der DE-OS 27 52 591 beschrieben. Um das Lager der Auflösewalzenwelle gegenüber Verschmutzungen, wie Mikrostaub, zu schützen, ist dort ein durch die Auflösewalze gebildeter Hohlraum vorgesehen, der durch einen Dichtungsspalt zwischen dem Lagergehäuse und der Auflösewalze abgedichtet ist. Selbst wenn man diesen Dichtungsspalt so eng wie möglich macht, kann man nicht völlig verhindern, daß Staub und Verunreinigungen in den Hohlraum und von dort in die Lagerstelle dringen kann. Da dieser Staub zu einer gewissen Schwergängigkeit der Auflösewalze führen kann, ist es erwünscht, den Hohlraum von Zeit zu Zeit zu säubern. Bei der bekannten Auflösewalzeneinheit muß hierfür die Auflösewalze von der Welle abgenommen werden, was verhältnismäßig umständlich ist.Such an opening roller unit is described in DE-OS 27 52 591. In order to protect the bearing of the opening roller shaft against dirt, such as micro dust, there is a cavity formed by the opening roller, which is sealed by a sealing gap between the bearing housing and the opening roller. Even if you make this sealing gap as narrow as possible, you cannot completely prevent dust and contaminants from entering the cavity and from there into the bearing point. Since this dust can lead to a certain stiffness of the opening roller, it is desirable to clean the cavity from time to time. In the known opening roller unit, the opening roller must be removed from the shaft for this, which is relatively cumbersome.

Ferner ist aus der DE-PS 31 23 480 eine Auflösewalzeneinheit bekannt, bei der die Auflösewalzeneinheit im wesentlichen aus einem Grundkörper und einem darauf angebrachten, garniturbestückten Auflösewalzenring besteht. Der Hohlraum wird bei dieser Auflösewalzeneinheit durch den Auflösewalzenring abgedeckt. Will man den Hohlraum reinigen, ist es hier immer noch erforderlich, daß zumindest der Auflösewalzenring abgenommen wird. Da der Auflösewalzenring auf den Grundkörper mittels eines Spannelementes aufgepreßt ist, ist auch dort das Freilegen des Hohlraumes zu Reinigungszwecken verhältnismäßig aufwendig.Furthermore, a opening roller unit is known from DE-PS 31 23 480, in which the The opening roller unit essentially consists of a base body and an opening roller ring fitted with a fitting thereon. In this opening roller unit, the cavity is covered by the opening roller ring. If you want to clean the cavity, it is still necessary here that at least the opening roller ring is removed. Since the opening roller ring is pressed onto the base body by means of a tensioning element, exposing the cavity for cleaning purposes is also relatively complex there.

Aufgabe der vorliegenden Erfindung ist es daher, eine Auflösewalzeneinheit der eingangs genannten Art so zu verbessern, daß der Hohlraum auf einfache Weise von dem durch den Dichtungsspalt eingedrungenen Mikrostaub befreit werden kann.The object of the present invention is therefore to improve an opening roller unit of the type mentioned at the outset in such a way that the cavity can be freed from the micro-dust which has penetrated through the sealing gap in a simple manner.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß in der Auflösewalze mindestens zwei im wesentlichen parallel zur Auflöswalzenachse angeordnete Reinigungskanäle ausgebildet sind, die sich von dem Hohlraum aus mindestens bis zu einer Stirnseite der Auflösewalze erstrecken.This object is achieved in that at least two cleaning channels are formed in the opening roller which are arranged essentially parallel to the opening roller axis and which extend from the cavity to at least one end face of the opening roller.

Will man bei dieser Auflösewalzeneinheit den zwischen der Auflösewalze und dem Lagergehäuse gebildeten Hohlraum reinigen, so braucht allenfalls der leicht demontierbare Deckel abgenommen zu werden, so daß man mit einer Druckluftdüse Druckluft in einen der beiden Reinigungskanäle einspeisen kann. Aus dem anderen Reinigungskanal wird dann der in dem Hohlraum befindliche Staub ausgeblasen. Diese Reinigung läßt sich einfach durchführen, da weder eine Abnahme des Auflösewalzenringes noch eine Demontage der Auflösewalzeneinheit erforderlich ist, so daß auf einfache Weise die Lebensdauer der Auflösewalzeneinheit verlängert werden kann. Eine Reinigung des Hohlraumes wird in aller Regel nämlich nur dann vorgenommen werden, wenn sie, wie hier, leicht zu bewerkstelligen ist.If you want to clean the cavity formed between the opening roller and the bearing housing in this opening roller unit, then the easily removable cover needs to be removed, so that compressed air can be fed into one of the two cleaning channels with a compressed air nozzle. The dust located in the cavity is then blown out of the other cleaning channel. This cleaning can be carried out easily, since neither a removal of the opening roller ring nor a dismantling of the opening roller unit is necessary, so that the service life of the opening roller unit can be easily extended. A cleaning of the cavity is usually only then if it is easy to do, as here.

Besonders einfach läßt sich die Reinigung des Hohlraumes bewerkstelligen, wenn sich die Reingigungskanäle durch den Deckel hindurch erstrecken. Dann ist nicht einmal die Abnahme des Deckels erforderlich.The cleaning of the cavity can be accomplished particularly easily if the cleaning channels extend through the cover. Then it is not even necessary to remove the cover.

Besonders günstig ist es, wenn die Auflösewalze aus einem Grundkörper und einem darauf auswechselbar angeordneten garniturbestückten Auflösewalzenring besteht und wenn die Reinigungskanäle vom Grundkörper aus gebildet sind. Dann kann die Reinigung des Hohlraumes nämlich unabhängig von der Art des aufgebrachten Auflösewalzenringes erfolgen.It is particularly expedient if the opening roller consists of a base body and an opening roller ring equipped with replaceable fittings, and if the cleaning channels are formed from the base body. Then the cleaning of the cavity can take place regardless of the type of the opening roller ring applied.

Es ist jedoch auch günstig, wenn die Auflösewalze aus einem Grundkörper und einem darauf auswechselbar angebrachten garniturbestückten Auflösewalzenring besteht, und wenn die Reinigungskanäle auf der dem Grundkörper zugewandten innen liegenden Oberseite des Auflösewalzenringes ausgebildet sind. Der Vorteil liegt hier insbesondere darin, daß bereits in Betrieb befindliche Auflösewalzeneinheiten, die noch keine Reinigungskanäle aufweisen, auf einfache Weise nachgerüstet werden können, sobald die Auflösewalzenringe durch Verschleiß ohnehin ausgewechselt werden müssen. Ist einmal ein solcher Auflösewalzenring angebracht, vereinfacht sich die Reinigung des Hohlraumes beträchtlich.However, it is also favorable if the opening roller consists of a base body and a fitting-equipped opening roller ring fitted thereon, and if the cleaning channels are formed on the inner top side of the opening roller ring facing the base body. The advantage here is in particular that opening roller units which are already in operation and which do not yet have any cleaning channels can be easily retrofitted as soon as the opening roller rings have to be replaced anyway due to wear. Once such an opening roller ring is attached, the cleaning of the cavity is considerably simplified.

Obgleich es auch möglich wäre, den Hohlraum zwischen dem Auflösewalzenring und dem Lagergehäuse unmittelbar auszubilden, ist es vorteilhaft, wenn der Hohlraum in dem Grundkörper ausgebildet ist und wenn in dem Grundkörper im wesentlichen radiale Verbindungskanäle ausgebildet sind, die von der dem Auflösewalzenring zugewandten äußeren Oberseite des Grundkörpers zu dem Hohlraum führen. So besteht eine direkte Verbindung zwischen den Verbindungskanälen und den Reinigungskanälen, ohne daß die mechanische Festigkeit des Grundkörpers darunter leiden würde.Although it would also be possible to directly form the cavity between the opening roller ring and the bearing housing, it is advantageous if the cavity is formed in the base body and if essentially radial connecting channels are formed in the base body, which from the outer upper side of the opening roller facing the opening roller ring Lead the main body to the cavity. So there is a direct connection between the Connecting channels and the cleaning channels, without the mechanical strength of the base body would suffer.

Wenn auf der dem Grundkörper zugewandten innenliegenden Oberseite des Auslösewalzenringes mindestens eine die radialen Verbindungskanäle mit den axialen Reinigungskanälen verbindende umlaufende, radiale Ausbildung ausgebildet ist, hat das den Vorteil, daß völlig unabhängig davon, in welche relative Drehwinkel der Auflösewalzenring auf dem Grundkörper aufgebracht ist, stets die beiden axialen Reinigungskanäle mit dem Hohlraum verbunden sind. Wenn an dem dem Lagergehäuse zugewandten Ende des Grundkörpers ein radial vorspringender Zentrierabsatz ausgebildet ist, kann in günstiger Weise die umlaufende radiale Ausnehmung des Auflösewalzenringes dem Durchmesser des Zentrierabsatzes angepaßt sein. Die Ausnehmung kann dann axial offen sein und mit ihrem dem Lagergehäuse zugewandten Ende als Zentrierausnehmung wirken, während sie in dem dem Lagergehäuse abgewandten Bereich die Verbindung zwischen den radialen Verbindungskanälen und den axialen Reinigungskanälen herstellt.If at least one circumferential, radial design connecting the radial connecting channels with the axial cleaning channels is formed on the inner upper side of the release roller ring facing the base body, this has the advantage that, regardless of the relative angle of rotation of the release roller ring on the base body, always the two axial cleaning channels are connected to the cavity. If a radially projecting centering shoulder is formed on the end of the base body facing the bearing housing, the circumferential radial recess of the opening roller ring can be adapted in a favorable manner to the diameter of the centering shoulder. The recess can then be axially open and, with its end facing the bearing housing, act as a centering recess, while in the region facing away from the bearing housing it creates the connection between the radial connection channels and the axial cleaning channels.

Aus strömungstechnischen Gründen ist es günstig, wenn die Reinigungskanäle diametral gegenüberliegend angeordnet sind. Hierdurch wird bei der Beaufschlagung eines Reinigungskanales mit Druckluft eine besonders schnelle Reinigung des Hohlraumes erzielt.For fluidic reasons, it is advantageous if the cleaning channels are arranged diametrically opposite one another. As a result, particularly rapid cleaning of the cavity is achieved when a cleaning duct is pressurized with compressed air.

Im folgenden werden Ausführungsbeispiele der Erfindung anhand einer Zeichnung näher erläutert. Es zeigen:

  • Fig. 1 in einer teilweise geschnittenen Seitenansicht eine Auflösewalzeneinheit gemäß einer ersten Ausführungsform,
  • Fig. 2 einen Auflösewalzenring der Auflösewalzeneinheit aus Fig. 1 in einer Stirnansicht,
  • Fig. 3 den Auflösewalzenring aus Fig. 2 geschnitten entlang der Linie III-III und
  • Fig. 4 in einer ähnlichen Ansicht wie Fig. 1 ein weiteres Ausführungsbeispiel einer Auflösewalzeneinheit.
Exemplary embodiments of the invention are explained in more detail below with reference to a drawing. Show it:
  • 1 is a partially sectioned side view of an opening roller unit according to a first embodiment,
  • FIG. 2 shows an opening roller ring of the opening roller unit from FIG. 1 in an end view, FIG.
  • Fig. 3 shows the opening roller ring of Fig. 2 cut along the line III-III and
  • Fig. 4 in a view similar to Fig. 1, a further embodiment of an opening roller unit.

In der Zeichnung ist eine Auflösewalzeneinheit für Offenend-Spinnmaschinen dargestellt. Die Auflösewalzeneinheit umfaßt ein Lagergehäuse 1, in dem eine Welle 2 drehbar gelagert ist. An ihrem aus dem Lagergehäuse 1 herausragenden freien Ende ist an der Welle 2 eine Auflösewalze 3 drehfest aufgepreßt. Genaugenommen besteht die Auflösewalze 3 aus einem auf die Welle 2 aufgepreßten Grundkörper 4 und einem auf die äußere Oberseite des Grundkörpers 4 aufgeschobenen Auflösewalzenring 5. Der Grundkörper 4 weist auf der dem Lagergehäuse 1 zugewandten Stirnseite einen Bund 6 auf, an dem der Auflösewalzenring 5 anliegt. Auf der dem Lagergehäuse 1 abgewandten Stirnseite ist die Auflösewalze 3 durch einen Deckel 7 abgedeckt. Der Deckel 7 kann mittels dreier über den Umfang verteilter Schrauben 8, von denen nur die Mittellinien angedeutet sind, an dem Grundkörper 4 angeschraubt sein; es ist jedoch auch möglich, daß der Deckel 7 über eine zentrale Schraube auf die Welle 2 aufgeschraubt ist. Der Deckel 7 weist ebenfalls einen Bund 9 auf, mit dem er den Auflösewalzenring 5 gegen den Bund 6 des Grundkörpers 4 verspannt. Der auf der Welle 2 drehfest angebrachte Grundkörper 4 übergreift das Lagergehäuse 1 und bildet einen Hohlraum 10 aus. Zum Lagergehäuse 1 hin ist dieser Hohlraum durch einen zwischen dem Lagergehäuse 1 und dem Grundkörper 4 ausgebildeten Dichtspalt 11 abgedichtet.In the drawing, an opening roller unit for open-end spinning machines is shown. The opening roller unit comprises a bearing housing 1 in which a shaft 2 is rotatably mounted. At its free end protruding from the bearing housing 1, an opening roller 3 is pressed onto the shaft 2 in a rotationally fixed manner. Strictly speaking, the opening roller 3 consists of a base body 4 pressed onto the shaft 2 and a opening roller ring 5 pushed onto the outer upper side of the base body 4. On the end facing away from the bearing housing 1, the opening roller 3 is covered by a cover 7. The cover 7 can be screwed to the base body 4 by means of three screws 8 distributed over the circumference, of which only the center lines are indicated; however, it is also possible for the cover 7 to be screwed onto the shaft 2 via a central screw. The cover 7 also has a collar 9, with which it braces the opening roller ring 5 against the collar 6 of the base body 4. The base body 4 mounted on the shaft 2 in a rotationally fixed manner engages over the bearing housing 1 and forms a cavity 10. This cavity is sealed off from the bearing housing 1 by a sealing gap 11 formed between the bearing housing 1 and the base body 4.

Bei dem in Fig. 1 dargestellten Ausführungsbeispiel ist der Hohlraum 10 durch zwei diametral gegenüberliegende radiale Verbindungskanäle 12 zur außenliegenden Oberseite des Grundkörpers 4 hin offen. Der Auflösewalzenring 5 weist auf seiner dem Grundkörper 4 zugewandten radialen Oberseite eine umlaufende Ausnehmung 13 auf, in welche die Verbindungskanäle 12 einmünden. Zum Bund 6 hin ist an dem Grundkörper 4 ein Zentrierabsatz 14 vorgesehen, der einen Außendurchmesser aufweist, der dem Innendurchmesser der Ausnehmung 13 entspricht. Somit ist die Ausnehmung 13 axial zum Ende des Auflösewalzenringes 5 hin offen. Von der Ausnehmung 13 aus erstrecken sich einander diametral gegenüberliegend zwei Reinigungskanäle 15 parallel zur Achse der Auflösewalze 3 bis zum Deckel 7.In the embodiment shown in FIG. 1, the cavity 10 is open to the outer upper side of the base body 4 through two diametrically opposite radial connecting channels 12. The opening roller ring 5 has on its radial upper side facing the base body 4 a circumferential recess 13 into which the connecting channels 12 open. Towards the collar 6, a centering shoulder 14 is provided on the base body 4, which has an outer diameter which corresponds to the inner diameter of the recess 13. Thus, the recess 13 is open axially towards the end of the opening roller ring 5. Two cleaning channels 15 extend diametrically opposite one another from the recess 13 parallel to the axis of the opening roller 3 to the cover 7.

Bei dem in Fig. 1 dargestellten Ausführungsbeispiel ist der Deckel 7 von zu den Reiniungskanälen 15 deckungsgleichen Öffnungen 16 durchsetzt, so daß die Reinigungskanäle 15 ins Freie münden.In the embodiment shown in FIG. 1, the cover 7 is penetrated by openings 16 congruent with the cleaning channels 15, so that the cleaning channels 15 open into the open.

Im folgenden wird das Ausführungsbeispiel nach Fig. 4 beschrieben. Für gleiche und gleichartige Bauteile werden dieselben Bezugszeichen verwendet. Es wird nur auf die Unterschiede zu dem in den Figuren 1 bis 3 beschriebenen Ausführungsbeispiel eingegangen.The exemplary embodiment according to FIG. 4 is described below. The same reference numerals are used for identical and similar components. Only the differences from the exemplary embodiment described in FIGS. 1 to 3 will be discussed.

Bei dem in Fig. 4 beschriebenen Ausführungsbeispiel sind in dem Grundkörper 4 zwei axiale Reinigungskanäle 15 vorgesehen, die unmittelbar in den Hohlraum 10 einmünden und bis zum Deckel 7 reichen. In dem Deckel 7 sind hier keine Öffnungen vorgesehen, auch sind auf der Innenseite des Auflösewalzenringes 5 keine Nuten und Ausnehmungen vorhanden, weil sie nicht nötig sind.In the embodiment described in FIG. 4, two axial cleaning channels 15 are provided in the base body 4, which open directly into the cavity 10 and extend to the cover 7. No openings are provided in the cover 7, and there are no grooves and recesses on the inside of the opening roller ring 5 because they are not necessary.

Im folgenden wird die Wirkungs- und Funktionsweise der erfindungsgemäßen Auflösewalzeneinheit näher erläutert.The operation and functioning of the opening roller unit according to the invention is explained in more detail below.

Während des Betriebes der Offenend-Spinnmaschine gelangt durch den Dichtspalt 11, der niemals vollständig dicht zu bekommen ist, eine gewisse Menge an Mikrostaub in den Hohlraum 10. Der Hohlraum 10 ist in der Lage, eine gewisse Menge Mikrostaub aufzunehmen, ohne daß das nicht dargestellte Lager zwischen dem Lagergehäuse 1 und der Welle 2 davon beeinträchtigt würde. Wird die vorbestimmte Menge an Mikrostaub überschritten, so kann es passieren, daß der Mikrostaub von dem Hohlraum aus zwischen das Lagergehäuse 1 und die Welle 2 und von dort in die Wellenlagerung gerät, was zu einer Beeinträchtigung der Wellenlagerung führt. Es ist daher erwünscht, den Hohlraum 10 von Zeit zu Zeit zu reinigen. Bei dem in Fig. 1 gezeigten Ausführungsbeispiel braucht lediglich ein Druckluftwerkzeug, z. B. die in jedem Textilbetrieb vorhandene Druckluftpistole an eine der beiden Öffnungen 16 in dem Deckel 7 angesetzt zu werden, wonach dann Druckluft aufgegeben wird. Diese Druckluft strömt über den oberen Reinigungskanal 15, die Ausnehmung 13 und den radialen Verbindungskanal 12 in den Hohlraum 10 und spült diesen aus. Auf der um 180° gegenüberliegenden Seite gelangt die so mit Mikrostaub angereicherte Druckluft über den in Fig. 1 nicht sichtbaren Verbindungskanal, die Ausnehmung 13, den Reinigungskanal 15 und schließlich die Öffnung 16 in dem Deckel 7 ins Freie. Dies alles geschieht, ohne daß die Auflösewalzeneinheit in irgendeiner Weise demontiert werden muß.During operation of the open-end spinning machine, a certain amount of micro dust gets into the cavity 10 through the sealing gap 11, which can never be completely sealed. The cavity 10 is able to receive a certain amount of micro dust without this not being shown Bearing between the bearing housing 1 and the shaft 2 would be affected. If the predetermined amount of micro dust is exceeded, it can happen that the micro dust gets from the cavity between the bearing housing 1 and the shaft 2 and from there into the shaft bearing, which leads to an impairment of the shaft bearing. It is therefore desirable to clean the cavity 10 from time to time. In the embodiment shown in FIG. 1, only a pneumatic tool, e.g. B. the existing in each textile compressed air gun to be attached to one of the two openings 16 in the lid 7, after which compressed air is then applied. This compressed air flows through the upper cleaning channel 15, the recess 13 and the radial connecting channel 12 into the cavity 10 and rinses it out. On the opposite side by 180 °, the compressed air enriched with micro dust thus reaches the outside via the connecting channel (not visible in FIG. 1), the recess 13, the cleaning channel 15 and finally the opening 16 in the cover 7. All of this happens without the opening roller unit having to be dismantled in any way.

Bei dem in Fig. 4 beschriebenen Ausführungsbeispiel läßt sich der Hohlraum 10 auf ähnliche Weise reinigen. Hier muß lediglich der Deckel 7 abgenommen werden, so daß man mit dem Druckluftwerkzeug unmittelbar an einen der Reinigungskanäle 15 gelangen kann. Die dort eingespeiste Druckluft gelangt unmittelbar in den Hohlraum 10 und von dort über den gegenüberliegenden Reinigungskanal wieder ins Freie. Anschließend wird der Deckel 7 mittels der Schrauben 8 wieder montiert.In the embodiment described in Fig. 4, the cavity 10 can be cleaned in a similar manner. Here only the cover 7 has to be removed, so that one can get directly to one of the cleaning channels 15 with the compressed air tool. The compressed air fed in there arrives directly into the cavity 10 and from there back into the cleaning channel opposite Free. Then the cover 7 is reassembled using the screws 8.

Es ist auch mögich, die beiden Ausführungsbeispiele gemäß Fig. 1 und gemäß Fig. 4 miteinander zu kombinieren, indem z. B. ein Reinigungskanal auf der Innenseite des Auflösewalzenringes ausgebildet ist, während der andere Reinigungskanal in dem Grundkörper ausgebildet ist.It is also possible to combine the two exemplary embodiments according to FIG. 1 and according to FIG. 4 with one another, for example by B. a cleaning channel is formed on the inside of the opening roller ring, while the other cleaning channel is formed in the base body.

Claims (9)

1. Opening cylinder unit for open-end spinning machines, having a shaft (2) rotatably mounted in a bearing housing (1), on the free end of which shaft, protruding out of the bearing housing (1), there is an opening cylinder (3) rotationally fixed, which preferably is covered at its end face remote from the bearing housing (1) by a removable, axially fitted cover (7) and which extends over the bearing housing (1) to form a hollow space (10) which is sealed off from the bearing housing (1) by an annular sealing gap (11), characterised in that in the opening cylinder (3) there are formed at least two cleaning channels (15) which are arranged essentially parallel to the opening cylinder axis and extend from the hollow space (10) at least as far as one end of the opening cylinder (3).
2. Opening cylinder unit according to Claim 1, characterised in that the cleaning channels (15) extend through the cover (7).
3. Opening cylinder unit according to Claim 1 or 2, characterised in that the opening cylinder (3) comprises a basic body (4) and an opening cylinder ring (5) arranged exchangeably on the said basic body and fitted with card clothing and in that the cleaning channels (15) are formed in the basic body.
4. Opening cylinder unit according to one of claims 1 to 3, characterised in that the opening cylinder (3) comprises a basic body (4) and an opening cylinder ring (5) attached exchangeably on the said basic body and fitted with card clothing and in that the cleaning channels (15) are formed on the inner upper side of the opening cylinder ring (5) facing the basic body (4).
5. Opening cylinder unit according to one of claims 1 to 4, characterised in that the hollow space (10) is formed in the basic body (4) and in that in the basic body (4) there are formed essentially radial connecting channels (12), which lead from the outer upper side of the basic body (4) facing the opening cylinder ring (5) to the hollow space (10).
6. Opening cylinder unit according to one of claims 1 to 5, characterised in that on the inner upper side of the opening cylinder ring (5) facing the basic body (4) there is formed at least one encircling radial recess (13), connecting the radial connecting channels (12) to the axial cleaning channels (15).
7. Opening cylinder unit according to one of claims 1 to 6, characterised in that on the end of the basic body (4) facing the bearing housing (1) there is formed a radially projecting centring shoulder (14) and in that the encircling radial recess (13) of the opening cylinder ring (5) is adapted to the diameter of the centring shoulder (14).
8. Opening cylinder unit according to one of claims 1 to 4, characterised in that the axial cleaning channels (15) are arranged lying diametrically opposite.
9. Opening cylinder ring for an opening cylinder unit according of one of claims 1 to 8, in which in the basic body (4) there are formed connecting channels (12) extending from the hollow space (10) radially to the upper side of the basic body (4), characterised in that on the inner upper side of the opening cylinder ring facing the basic body (4) there is formed at least one encircling radial recess (13), connecting the radial connecting channels (12) to axially open-ending cleaning channels (15) formed in the inner upper side of the opening cylinder ring.
EP89110625A 1988-07-29 1989-06-12 Device with an opening cylinder for spinning machines Expired - Lifetime EP0352460B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89110625T ATE76120T1 (en) 1988-07-29 1989-06-12 OPEN-END ROLLER UNIT FOR OPEN-END SPINNING MACHINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8809697U 1988-07-29
DE8809697U DE8809697U1 (en) 1988-07-29 1988-07-29 Opening roller unit for open-end spinning machines

Publications (2)

Publication Number Publication Date
EP0352460A1 EP0352460A1 (en) 1990-01-31
EP0352460B1 true EP0352460B1 (en) 1992-05-13

Family

ID=6826445

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89110625A Expired - Lifetime EP0352460B1 (en) 1988-07-29 1989-06-12 Device with an opening cylinder for spinning machines

Country Status (8)

Country Link
US (1) US4939897A (en)
EP (1) EP0352460B1 (en)
JP (1) JPH0280626A (en)
AT (1) ATE76120T1 (en)
CS (1) CS276101B6 (en)
DE (2) DE8809697U1 (en)
ES (1) ES2032074T3 (en)
GR (1) GR3004824T3 (en)

Families Citing this family (10)

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Publication number Priority date Publication date Assignee Title
WO1991010762A1 (en) * 1990-01-08 1991-07-25 Hollingsworth Gmbh Release roller unit for open-ended spinning machines
DE4124714A1 (en) * 1991-07-25 1993-01-28 Schmolke Karl Heinz Rotor spinner sliver loosening roller - has return of fibre build=up at end of spiral sawtooth clothing coils as drawn and oriented fibres
JPH06509147A (en) * 1991-07-25 1994-10-13 カークロ　エンジニアリング　グループ　パブリック　リミテッド　カンパニー Fiber opening device
US5318497A (en) * 1992-08-10 1994-06-07 Aarnink Bernhard A Combing roll assembly
DE19531495A1 (en) * 1995-08-26 1997-02-27 Schurr Stahlecker & Grill Open end spinner sliver loosening roller
DE19531910A1 (en) * 1995-08-30 1997-03-06 Fritz Stahlecker Open end spinner sliver loosening roller
DE19651417B4 (en) * 1996-12-11 2006-01-05 Spindelfabrik Süssen Schurr Stahlecker & Grill GmbH Opening device for open-end spinning machines
ITTO20110445A1 (en) * 2011-05-19 2012-11-20 Tecnau Srl "EQUIPMENT FOR TRANSVERSAL PERFORATION OF VARIABLE LENGTHS, HIGH SPEED, ON CONTINUOUS MODULES IN MOTION"
CN108660557B (en) * 2018-05-22 2021-04-09 于浩 Exhaust device for textile production
CZ2019385A3 (en) * 2019-06-18 2020-12-30 Rieter Cz S.R.O. Spinning rotor bearing of a rotor spinning machine and a cover with a mandrel for closing the hole for lubricating the double-row ball bearing of the spinning rotor

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Publication number Priority date Publication date Assignee Title
US3626681A (en) * 1968-08-08 1971-12-14 Toyoda Automatic Loom Works Ringless spinning machine
CS152085B1 (en) * 1970-04-16 1973-12-19
CS163838B1 (en) * 1970-12-22 1975-11-07
CS164384B1 (en) * 1971-03-24 1975-11-07
DE2752591A1 (en) * 1977-11-25 1979-05-31 Reiners & Fuerst OPENING ROLLER FOR AN OPEN-END SPINNING MACHINE
JPS57112416A (en) * 1980-12-29 1982-07-13 Toyoda Autom Loom Works Ltd Air supplying method and apparatus in open end spinning frame
DE3123480C2 (en) * 1981-06-13 1986-06-05 Stahlecker, Fritz, 7347 Bad Überkingen Opening roller unit for open-end spinning units
US4805395A (en) * 1984-10-30 1989-02-21 Fritz Stahlecker Opening roller for an opening device of an open-end spinning machine
DE3645275C2 (en) * 1986-04-25 1994-06-16 Fritz Stahlecker Set ring for an opening roller of an OE spinning device
DE3730297A1 (en) * 1987-09-10 1989-03-23 Fritz Stahlecker SET FOR A DISCONNECTING ROLLER

Also Published As

Publication number Publication date
ES2032074T3 (en) 1993-01-01
DE8809697U1 (en) 1989-11-23
DE58901388D1 (en) 1992-06-17
US4939897A (en) 1990-07-10
ATE76120T1 (en) 1992-05-15
JPH0280626A (en) 1990-03-20
GR3004824T3 (en) 1993-04-28
EP0352460A1 (en) 1990-01-31
CS276101B6 (en) 1992-04-15

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