EP0747517B1 - Opening roller for an open-end spinning machine - Google Patents

Opening roller for an open-end spinning machine Download PDF

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Publication number
EP0747517B1
EP0747517B1 EP19960105683 EP96105683A EP0747517B1 EP 0747517 B1 EP0747517 B1 EP 0747517B1 EP 19960105683 EP19960105683 EP 19960105683 EP 96105683 A EP96105683 A EP 96105683A EP 0747517 B1 EP0747517 B1 EP 0747517B1
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EP
European Patent Office
Prior art keywords
separating roller
card
clothing
face
base body
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
EP19960105683
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German (de)
French (fr)
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EP0747517A1 (en
Inventor
Edmund Schuller
Eva-Maria Greppmair
Claus Franz
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.)
Rieter Ingolstadt Spinnereimaschinenbau AG
Original Assignee
Rieter Ingolstadt Spinnereimaschinenbau AG
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Publication date
Priority claimed from DE19549680A external-priority patent/DE19549680B4/en
Application filed by Rieter Ingolstadt Spinnereimaschinenbau AG filed Critical Rieter Ingolstadt Spinnereimaschinenbau AG
Publication of EP0747517A1 publication Critical patent/EP0747517A1/en
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Publication of EP0747517B1 publication Critical patent/EP0747517B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 present invention relates to an opening roller for an open-end spinning device according to the preamble of the patent claim 1 and 11.
  • Opener rollers are used for separating open-end spinning devices of fibers to be spun, the opening roller be fed in the form of a sliver. This rotates at high speed and triggers with her set that Teeth or needles can consist of individual fibers from the sliver out, which are then fed to a spinning organ.
  • the set an opening roller is in fact not available for all fiber materials suitable so that when converting a spinning machine on a new starting material the opening roller or its set needs to be replaced. Otherwise the set is subject to wear, so that is why an exchange of the Garnish is required.
  • the Set is interchangeable.
  • the opening roller is on a shaft arranged, which is supported by a bearing, so that the opening roller is rotatable in this way, at least a part of the opening roller consists of several parts directly is connected to the shaft. This is usually done using a Press fit.
  • DE-OS 25 28 485 it is known for Zwekke the interchangeability of the set the opening roller in several parts to train, wherein it has a basic body that over a Press fit is attached to a shaft and the set over a Set holder is attached to the opening roller so that a Fixed assignment between base body and clothing holder guaranteed is. Loosening or turning the set is excluded.
  • Fasteners e.g.
  • Another embodiment is also shown here, in which the clothing holder by means of a screw on the end facing away from the bearing is screwed onto the opening roller.
  • the second embodiment is similar to that of DE-OS 25 28 485.
  • the first-mentioned embodiments have the disadvantage that their production is expensive is, or the connection between the base body and the clothing holder is either not secure enough or the connection is difficult to solve again.
  • CH 661 535 A5 is a generic opening roller known, the clothing holder without Fasteners is attached. This is also how the base body shrunk onto the shaft. This has the disadvantage that a replacement of the set is time consuming. Furthermore can the shaft on which the opening roller is supported by the repeated pressing of a press fit can be damaged.
  • the object of the present invention is therefore an opening roller to design for an open-end spinning unit such that the Set can be replaced easily and quickly, its structure and the fasteners are simple and the Opening roller is designed and fasteners arranged in this way are that does not cause disturbances in the yarn quality become.
  • This object is achieved by the features of Claim 1 solved.
  • the invention is based on knowledge from that it is not enough for the fasteners as far as possible edge-free training, but surprisingly also that it it is important on which of the two faces of the opening roller the fasteners are arranged.
  • the Fiber transport not only in the circumferential direction as before to perform in the area of the set, but for certain Applications also give the fibers the opportunity to take a path in the opening roller housing that runs along it the front of the opening roller leads. It was provided to guide the fibers along the face of the opening roller, facing away from storage. This finding has led that new standards for the development of opening rollers are to be applied.
  • the disassembly roller can be on your for disassembly end face facing away from the bearing, then the clothing holder removed and then the ring-shaped clothing carrier be removed.
  • This simple handling makes the The risk of damage to the clothing is significantly reduced.
  • the base body covers with its end face facing away from the bearing the wave off.
  • the base body or clothing holder are particularly cheap designed when they have an opening for a fastener included, the breakthrough for example can be a bore that is parallel to the shaft on the the opening roller is mounted, extends.
  • the fastening means For example, a screw, which then extends into the Set holder extends where the thread for this screw is placed is.
  • the clothing holder has such a shape that it has an im has essential cylindrical lateral surface, which in the axial Direction roughly corresponds to the width of the set and this Set applied to the outer surface of the set holder is. This can be done, for example, with a toothed wire, or also, for example, by a firmly pressed-on clothing carrier, who has needles or teeth, for example.
  • this is a receptacle with which a ring-shaped clothing carrier is radial is supported.
  • the holder has a stop that axially one The clothing carrier is acted upon and this on the base body holds. It is also possible that the clothing holder both has a recording as well as a stop.
  • the fastener is in the form of Designed screws, it is particularly favorable if these are arranged at a substantially uniform distance from one another are. It is particularly advantageous to ensure that that the mass distribution on the opening roller is uniform, so that it doesn't run unbalanced.
  • Fastening means if it is ensured that the opening roller is balanced.
  • countersunk screws are used, they have the advantage of that with a corresponding design of the end face, through which they are guided, the flatness of the end face only completely minor disturbance.
  • An embodiment of the is particularly favorable Opening roller, in which the thread for the screws in the clothing holder is arranged, because this ensures that when exchanging the opening roller receives a new thread.
  • the set holder is often made of aluminum is also achieved by frequently replacing the set, that the attachment is always equally possible because the fasteners can work with an unused thread.
  • the Set holder has an axial hole, which is made using a cover is closed during the operation of the opening roller.
  • This The lid is placed in the clothing holder in such a way that this front surface of the opening roller practically a perfect one forms a smooth surface. If the clothing holder has this axial Hole, namely, is achieved that if the set at his Manufacture to be coated, several clothing holders on a beam can be received through this axial bore, which makes coating easier and cheaper is feasible. It is particularly favorable if the cover is removed then the inside of the opening roller is cleaned can without having to disassemble the clothing carrier. For the Installation of clothing holders on the base body, it is advantageous if an adjustment device is provided on the opening roller, which makes it easier to assemble the openings through the the fasteners, e.g. the screws are guided, exactly to set up the associated thread so that it does not have to be searched first.
  • a stop is provided for this the correct position from the clothing holder to the base body is signaled. If the stop works on with a spiral edge Base body together, there is the advantage that the clothing holder can be placed on the base body and for so long is turned until the stop fits. By turning in In the same direction of movement, the stop is in its end position led, which then marks the correct assignment.
  • a spiral edge has the advantage that when turning in the wrong direction does not strike, but only Stiffness and ultimately jamming. Especially It is favorable if at least the end face facing away from the bearing the opening roller has a spiral groove, so is arranged that by the rotation of the opening roller air from Area of the axis of rotation of the end face conveyed radially outwards becomes. In an advantageous development, at least to design the clothing holder as an extruded component. This enables a pore-free surface to be achieved the component in particular can be coated more cost-effectively can.
  • the opening roller 1 of Figure 1 is mounted on a shaft 2, which is stored in a warehouse 3.
  • the shaft 2 carries a whorl 21, with the With the help of a belt the opening roller is driven.
  • the opening roller 1 yourself, cut in the lower half of the drawing is shown, consists of a base body 11 and a clothing holder 12. Via a fastener 4, which as Screw 41 is designed, the clothing holder 12 with the Base body 11 connected.
  • the base body 11 has a hub 111, which is pressed onto the shaft 2 via a press fit.
  • the base body 11 has an opening 112, which is the shape has a hole through which the screw 41 is passed and extends into the clothing holder 12, where it with a Thread 117 works together.
  • the opening 112 extends parallel to axis 22 of shaft 2.
  • the attachment of the clothing holder 12 takes place according to the invention from the bearing 3 facing Side of the end face 14 of the opening roller 1. This means, that the surface of the end face facing the bearing 14 is interrupted because the fastener 4 by their Protruding surface.
  • the screw 41 is Countersunk screw, however, is the disorder of flatness and smoothness the surface of the end face 14 is kept as low as possible.
  • the opening 112 is in the Area of the end face 14 countersunk.
  • Ribs 114 reinforced.
  • the base body is particularly advantageous 11 air ducts 115.
  • the shaft 2 has on its entire Length of an axially parallel bore 23, whereby the air duct 115 through the bore 23 with the outside air, i.e. the air outside an opening roller housing is connected.
  • This has the Advantage that the sealing gap 9 between the base body 11 and the sleeve 31 of the bearing 3 communicates with the outside air. This allows air to flow through the bore 23 via the air duct 115 flow into the area in front of the end face 14 facing the bearing.
  • the base body 11 has to hold the clothing holder 12 Receiving surfaces 116 over that of the clothing holder 12 on the base body 11 is centered.
  • the clothing holder 12 has a cylindrical Shell surface 121, which has an axial length that the Width of the set 8 applied to the jacket surface corresponds.
  • the clothing holder 12 is with the cylindrical outer surface 121 formed in one piece, which is a particularly cheap and simple embodiment results.
  • the cylindrical surface 121 has grooves 122 in which the foot of the clothing wire is fitted.
  • the end face 15 of the opening roller facing away from the bearing 3 1 is particularly advantageously completely by the Set holder 12 formed.
  • the clothing holder 12 of Figure 1 has an axial Bore 123, which is closed by the cover 124, so that the end face 15 facing away from the bearing 3 is completely flat, the transition between the cover 124 and the clothing holder 12 has such a small gap that it does not interfere with the Can lead to spinning.
  • the axial bore 123 makes sense during the manufacture of the clothing holder 12, its manageability to facilitate. Especially when the set 8 is coated due to the presence of the axial bore 123 several clothing holder 12 to be threaded on a mandrel to be able to coat them together.
  • the base body 11 carries the end face 14 facing bearing 3.
  • the camp 3 would have opposite end face 15. This would have been appropriate as a result that the clothing holder facing the bearing 3 would have end face 14.
  • the set holder would then have to over the bearing 3 the base body be fed. Then the base body would have that Thread for screwing in the screws and the set holder would have an opening for inserting the screws.
  • the Figure 1 shown embodiment has this embodiment compared but the advantage that with the replacement of the clothing holder 12 a new thread 112 is also used each time.
  • the opening roller is mostly made of aluminum, as is well known is not that hard and the thread is more likely to wear out accordingly can, this is particularly advantageous.
  • the opening roller partially shown in Figure 2 in section also contains a fastener 4, with the help of which Attachment of the end face 14 facing the bearing 3 is carried out.
  • the opening roller of Figure 2 has an annular Garnier obviously 7, with the help of the clothing holder 12 and the fastener 4 with the base body 11 of the opening roller 1 is connected.
  • the clothing holder 12 has a receptacle 125, which guides the ring-shaped clothing carrier radially. At the same time the clothing holder 12 has a stop 126 which the annular clothing carrier 7 leads axially.
  • the clothing rack 7 is in the embodiment shown in Figure 2 with a set 8 provided, which consists of a wound clothing wire. However, the clothing carrier 7 can also have a clothing that is made from the solid, i.e.
  • the clothing holder 12 has no axial bore (123, FIG 1). To guide the air through the bore 23 of the shaft 2 in the area the clothing holder 12 has one, not shown Guide groove for the air, so that the air duct 115 of the Base body 11 through the bore 23 of the shaft 2 with the outside air communicates.
  • FIG. 3 shows a top view of the opening roller of FIG. 1, from the side facing away from the bearing 3, the clothing holder in the area of line A-A, Figure 1, is shown in section.
  • the adjustment device essentially consists of an adjustment stop 61, which is attached to the clothing holder 12 and from a Edge 62, which is formed on the base body 11.
  • the edge 62 is in the form of a slightly from a circular line, centered in Center of the opening roller, deviating, spiral-shaped line is formed.
  • the opening roller of Figure 3 has three such spiral Edges 62 and the clothing holder 12 corresponding to three Adjustment stops 61.
  • each spiral Edge 62 results from the changed distance of the edge 62 a paragraph 63 to the center, on which the adjustment stop 61st for adjusting the tool holder to the base body 11.
  • the Spiral shape of the edge 62 has the advantage that when it is put on of the holder 12 on the base body 11 of the adjustment stop 61 usually lies in an area where the distance the adjustment stop 61 to the center of the opening roller smaller is 62 as the distance of the edge. This means that the clothing holder 12 does not snap onto the base body 11. Only by Turn the clothing holder 12 clockwise in relation to the base body 11 comes the adjustment stop 61 in an area where between the Adjustment stop 61 and the edge 62 game prevails, so that the Set holder sits on the base body 11.
  • FIG. 4 shows a top view of the end face 14 of the opening roller, which faces away from the camp.
  • This version is the End face 14 provided with a spiral groove 140, the this is done by rotating the opening roller air from the area To promote the axis of rotation of the opening roller radially outwards.
  • the spiral Groove 140 does not have to reach the center of the End face 14 run. It is sufficient if at least outdoors a curved groove 140 is arranged on the end face 14, which is suitable for the one used in the operation of the opening roller Direction of rotation (arrow P) To convey air radially outwards.
  • A is a shorter groove, not shown in FIG. 4 especially in the face of the opening roller facing the bearing suitable. When the groove 140 is formed, this is the case make sure that it has no edges on which fibers are attached can fix.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Description

Die vorliegende Erfindung betrifft eine Auflösewalze für eine Offenend-Spinnvorrichtung gemäß dem Oberbegriff des Patentspruchs 1 und 11. Auflösewalzen werden bei Offenendspinnvorrichtungen zum Vereinzeln von zu verspinnenden Fasern eingesetzt, die der Auflösewalze in Form eines Faserbandes zugeführt werden. Diese rotiert mit hoher Geschwindigkeit und löst mit ihrer Garnitur, die aus Zähnen oder Nadeln bestehen kann, einzelne Fasern aus dem Faserband heraus, die dann einem Spinnorgan zugeführt werden. Die Garnitur einer Auflösewalze ist faktisch nicht für alle Fasermaterialien geeignet, so daß bei der Umstellung einer Spinnmaschine auf ein neues Ausgangsmaterial die Auflösewalze oder deren Garnitur ausgetauscht werden muß. Im übrigen unterliegt die Garnitur einem Verschleiß, so daß auch aus diesem Grund ein Austausch der Garnitur erforderlich ist. Im Stand der Technik sind dazu verschiedene Ausführungsformen einer Auflösewalze bekannt, deren Garnitur austauschbar ist. Die Auflösewalze ist auf einer Welle angeordnet, die durch eine Lagerung gelagert ist, so daß die Auflösewalze auf diese Weise drehbar ausgebildet ist, wobei wenigstens ein Teil der aus mehreren Teilen bestehen Auflösewalze direkt mit der Welle verbunden ist. Dies erfolgt meist mittels eines Preßsitzes. Aus der DE-OS 25 28 485 ist es bekannt, zum Zwekke der Austauschbarkeit der Garnitur die Auflösewalze mehrteilig auszubilden, wobei sie einen Grundkörper besitzt, der über einen Preßsitz auf einer Welle befestigt ist und die Garnitur über einen Garniturhalter so an der Auflösewalze angebracht ist, daß eine feste Zuordnung zwischen Grundkörper und Garniturhalter gewährleistet ist. Ein Lösen oder Mitdrehen der Garnitur ist ausgeschlossen. Dazu sind Befestigungsmittel, z.B. in Form von Schrauben vorgesehen, die durch eine Durchbrechung im Garniturhalter bis in den Grundkörper reichen. Diese Befestigungsmittel sind auf derjenigen Stirnfläche der Auflösewalze angeordnet, die auf der dem Lager abgewandten Seite der Auflösewalze angeordnet ist. Diese Ausführungsform hat den Nachteil, daß diese Stirnflächen durch die Befestigungsmittel eine rauhe Oberfläche erhält. Daran können Faserteilchen haften bleiben, die sich ansammeln und sich wieder lösen, wobei Störstellen im Garn erzeugt werden, außerdem ragt die Welle in die Stirnfläche hinein. Die möglichst kantenfreie Ausgestaltung der Stirnfläche bei Auflösewalzen ist zwar bekannt, jedoch die vorgeschlagenen Lösungen sind wenig befriedigend. Aus der US-PS 4,296,527 ist eine Ausführungsform bekannt, die auf Befestigungsmittel ganz verzichtet. Dazu sind Grundkörper und Garniturhalter so ausgestaltet, daß sie sich gegenseitig beispielsweise über ein Gewinde aneinander befestigen. Eine andere Ausführungsform ist ebenfalls hier gezeigt, bei der der Garniturhalter mittels einer Schraube auf der dem Lager abgewandten Stirnseite an die Auflösewalze angeschraubt ist. Die zweite Ausführungsform ähnelt also der der DE-OS 25 28 485. Die erstgenannten Ausführungsformen haben den Nachteil, daß ihre Herstellung kostenaufwendig ist, oder die Verbindung zwischen Grundkörper und Garniturhalter entweder nicht sicher genug ist, oder die Verbindung nur schwer wieder lösbar ist. Aus der Patentschrift CH 661 535 A5 ist eine gattungsgemäße Auflösewalze bekannt, deren Garniturhalter ohne Befestigungsmittel befestigt wird. Dazu wird dieser ebenfalls wie der Grundkörper auf der Welle aufgeschrumpft. Dies hat den Nachteil, daß ein Austausch der Garnitur zeitaufwendig ist. Im übrigen kann die Welle auf der die Auflösewalze gelagert ist durch das wiederholte Aufpressen eines Pressitzes beschädigt werden. The present invention relates to an opening roller for an open-end spinning device according to the preamble of the patent claim 1 and 11. Opener rollers are used for separating open-end spinning devices of fibers to be spun, the opening roller be fed in the form of a sliver. This rotates at high speed and triggers with her set that Teeth or needles can consist of individual fibers from the sliver out, which are then fed to a spinning organ. The set an opening roller is in fact not available for all fiber materials suitable so that when converting a spinning machine on a new starting material the opening roller or its set needs to be replaced. Otherwise the set is subject to wear, so that is why an exchange of the Garnish is required. In the prior art, there are various Embodiments of an opening roller known, the Set is interchangeable. The opening roller is on a shaft arranged, which is supported by a bearing, so that the opening roller is rotatable in this way, at least a part of the opening roller consists of several parts directly is connected to the shaft. This is usually done using a Press fit. From DE-OS 25 28 485 it is known for Zwekke the interchangeability of the set the opening roller in several parts to train, wherein it has a basic body that over a Press fit is attached to a shaft and the set over a Set holder is attached to the opening roller so that a Fixed assignment between base body and clothing holder guaranteed is. Loosening or turning the set is excluded. Fasteners, e.g. in the form of screws provided by an opening in the clothing holder extend into the basic body. These fasteners are on that end face of the opening roller arranged on the the side of the opening roller facing away from the bearing. This Embodiment has the disadvantage that these end faces the fasteners get a rough surface. Can do that Fiber particles stick, which accumulate and come back loosen, creating defects in the yarn, also protrudes the shaft into the face. The most edge-free Design of the end face in opening rollers is known however the proposed solutions are not very satisfactory. Out US 4,296,527 discloses an embodiment based on fasteners completely dispensed with. In addition there are basic body and set holder designed so that they mutually, for example Fasten to each other with a thread. Another embodiment is also shown here, in which the clothing holder by means of a screw on the end facing away from the bearing is screwed onto the opening roller. The second embodiment is similar to that of DE-OS 25 28 485. The first-mentioned embodiments have the disadvantage that their production is expensive is, or the connection between the base body and the clothing holder is either not secure enough or the connection is difficult to solve again. From the patent specification CH 661 535 A5 is a generic opening roller known, the clothing holder without Fasteners is attached. This is also how the base body shrunk onto the shaft. This has the disadvantage that a replacement of the set is time consuming. Furthermore can the shaft on which the opening roller is supported by the repeated pressing of a press fit can be damaged.

Aufgabe der vorliegenden Erfindung ist es daher eine Auflösewalze für ein Offenend-Spinnaggregat derart auszugestalten, daß die Garnitur leicht und schnell ausgetauscht werden kann, ihr Aufbau sowie die Befestigungsmittel einfach ausgestaltet sind sowie die Auflösewalze so ausgebildet ist und Befestigungsmittel derart angeordnet sind, daß keine Störungen der Garnqualität verursacht werden. Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Die Erfindung geht dabei von der Erkenntnis aus, daß es nicht allein genügt die Befestigungsmittel möglichst kantenfrei auszubilden, sondern überraschenderweise auch daß es wichtig ist, auf welcher der beiden Stirnseiten der Auflösewalze die Befestigungsmittel angeordnet sind. Bei der Weiterentwicklung der Auflösewalzengehäuse für Auflösewalzen von Offenendspinnmaschinen, wurde inzwischen vom Stand der Technik vorgesehen, den Fasertransport nicht nur wie bisher ausschließlich in Umfangsrichtung im Bereich der Garnitur durchzuführen, sondern für bestimmte Anwendungsfälle den Fasern auch die Möglichkeit zu geben im Auflösewalzengehäuse einen Weg einzuschlagen, der sie entlang der Stirnseite der Auflösewalze führt. Dabei wurde vorgesehen, die Fasern entlang der Stirnfläche der Auflösewalze zu führen, der der Lagerung abgewandt ist. Diese Erkenntnis hat dazu geführt, daß für die Entwicklung von Auflösewalzen neue Maßstäbe anzusetzen sind.The object of the present invention is therefore an opening roller to design for an open-end spinning unit such that the Set can be replaced easily and quickly, its structure and the fasteners are simple and the Opening roller is designed and fasteners arranged in this way are that does not cause disturbances in the yarn quality become. This object is achieved by the features of Claim 1 solved. The invention is based on knowledge from that it is not enough for the fasteners as far as possible edge-free training, but surprisingly also that it it is important on which of the two faces of the opening roller the fasteners are arranged. During further development the opening roller housing for opening rollers of open-end spinning machines, has now been provided by the prior art, the Fiber transport not only in the circumferential direction as before to perform in the area of the set, but for certain Applications also give the fibers the opportunity to take a path in the opening roller housing that runs along it the front of the opening roller leads. It was provided to guide the fibers along the face of the opening roller, facing away from storage. This finding has led that new standards for the development of opening rollers are to be applied.

Eine oben beschriebene Führung der Fasern im Auflösewalzengehäuse ist in der deutschen Patentanmeldung P 43 41 411.7-26 beschrieben. Durch die erfindungsgemäße Ausgestaltung der Auflösewalze wird erreicht, daß die dem Lager abgewandte Stirnfläche der Auflösewalze als ebene Fläche ausgebildet werden kann, die keine Erhebungen, Vertiefungen oder sonstige Kanten besitzt, an denen Fasern haften bleiben können. Dadurch kann diese Auflösewalze auch in Offenendspinnmaschinen eingesetzt werden, die eine verbesserte Faserführung im Auflösewalzengehäuse besitzt. Durch die Verwendung von Befestigungsmitteln kann auf aufwendige Ausgestaltungen von Grundkörper und Garniturhalter, die sich dann durch ihre eigene Formgebung miteinander verbinden lassen, verzichtet werden und die kostengünstige Befestigungsart, beispielsweise mit Schrauben eingesetzt werden. Diese hat gleichzeitig den Vorteil einfach bedienbar zu sein und gleichzeitig eine sichere Verbindung von Grundkörper und Garniturhalter zu gewährleisten, außerdem wird die Welle auf einfache Weise abgedeckt. Besonders günstig ist es, wenn der Grundkörper so ausgestaltet ist, daß er die dem Lager zugewandte Stirnfläche enthält, dadurch ist es einfach möglich, den Garniturträger auszutauschen, da dieser nicht über das Lager hinweg geführt werden muß. Die Gefahr, daß die Garnitur während ihres Austauschs beschädigt wird, wird dadurch verringert. Außerdem kann dadurch die Bohrung der Nabe des Grundkörpers durchgängig sein, was ihre Bearbeitbarkeit erleichtert und die Welle auf einfache Weise durch den Garniturhalter abgedeckt wird. Es kann aber auch günstig sein, daß der Garniturhalter die dem Lager zugewandte Stirnfläche enthält, insbesondere dann, wenn der Garniturhalter mit einem ringförmigen Garniturträger zusammenarbeitet. Dann kann nämlich zur Demontage die Auflösewalze auf ihre dem Lager abgewandte Stirnfläche gelegt werden, dann der Garniturhalter entfernt und anschließend der ringförmige Garniturträger abgenommen werden. Durch diese einfache Handhabung wird die Gefahr der Beschädigung der Garnitur wesentlich verringert. Der Grundkörper deckt dann mit seiner dem Lager abgewandten Stirnfläche die Welle ab. Besonders günstig werden Grundkörper oder Garniturhalter ausgestaltet, wenn sie eine Durchbrechung für ein Befestigungsmittel enthalten, wobei die Durchbrechung beispielsweise eine Bohrung sein kann, die sich parallel zur Welle auf der die Auflösewalze gelagert ist, erstreckt. Besitzt der Grundkörper die Durchbrechung, so wird durch diesen das Befestigungsmittel, beispielsweiese eine Schraube, geführt, die sich dann bis in den Garniturhalter erstreckt, wo das Gewinde für diese Schraube angeordnet ist. Entsprechend verhält es sich umgekehrt, wenn bei einer anderen Ausgestaltung der Auflösewalze der Garniturhalter die Durchbrechung besitzt, durch welche hindurch das Befestigungsmittel geführt wird, das dann in einem Gewinde des Grundkörpers endet. Bei einer besonders günstigen Ausgestaltung der Auflösewalze besitzt der Garniturhalter eine derartige Gestalt, daß er eine im wesentliche zylindrische Mantelfläche besitzt, die in axialer Richtung in etwa der Breite der Garnitur entspricht und diese Garnitur auf der Mantelfläche des Garniturhalters aufgebracht ist. Dies kann beispielsweise durch einen gezahnten Draht erfolgen, oder auch beispielsweise durch einen fest aufgepreßten Garniturträger, der beispielsweise Nadeln oder Zähne besitzt. Bei einer anderen günstigen Ausgestaltung der Garniturhalters besitzt dieser eine Aufnahme, mit der radial ein ringförmiger Garniturträger abgestützt wird. Bei einer anderen günstigen Ausgestaltung des Garniturhalters besitzt dieser einen Anschlag, der axial einen Garniturträger beaufschlagt und diesen dadurch am Grundkörper hält. Es ist dabei auch möglich, daß der Garniturhalter sowohl eine Aufnahme als auch einen Anschlag besitzt. In einer günstigen Ausführungsform des Befestigungsmittels wird dieses in Form von Schrauben ausgestaltete, wobei es besonders günstig ist, wenn diese mit im wesentlichen gleichmäßigem Abstand zueinander angeordnet sind. Besonders vorteilhaft ist es dabei darauf zu achten, daß die Massenverteilung an der Auflösewalze gleichmäßig ist, so daß diese nicht unwuchtig läuft. Denkbar ist auch ein einziges Befestigungsmittel, wenn dafür gesorgt ist, daß die Auflösewalze ausgewuchtet ist. Vorteilhafterweise werden drei Schrauben für die Zuordnung von Grundkörper- und Garniturhalter eingesetzt. Werden Senkkopfschrauben verwendet, so haben diese den Vorteil, daß sie mit einer entsprechenden Ausgestaltung der Stirnfläche, durch die sie geführt sind, die Ebenheit der Stirnfläche nur ganz gering stören. Besonders günstig ist eine Ausführungsform der Auflösewalze, bei der das Gewinde für die Schrauben im Garniturhalter angeordnet ist, denn dadurch wird erreicht, daß beim Austausch des Garniturhalters die Auflösewalze ein neues Gewinde erhält. Da der Garniturhalter oftmals aus Aluminium hergestellt wird, wird auch beim oftmaligen Austausch der Garnitur erreicht, daß die Befestigung immer gleich gut möglich ist, da die Befestigungsmittel mit einem ungebrauchten Gewinde zusammenarbeiten können. Bei einer besonders günstigen Ausführungsform besitzt der Garniturhalter eine axiale Bohrung, die mittels eines Deckels während des Betriebs der Auflösewalze verschlossen ist. Dieser Deckel wird dabei derart in den Garniturhalter eingebracht, daß diese Stirnfläche der Auflösewalze praktisch eine vollkommene glatte Oberfläche bildet. Besitzt der Garniturhalter diese axiale Bohrung, wird nämlich erreicht, daß falls die Garnitur bei seiner Herstellung beschichtet werden soll, mehrere Garniturhalter auf einen Träger durch diese axiale Bohrung aufgenommen werden können, wodurch eine Beschichtung einfacher und kostengünstiger durchführbar ist. Besonders günstig ist es, wenn der Deckel demontiert ist, da dann das Innere der Auflösewalze gereinigt werden kann, ohne den Garniturträger demontieren zu müssen. Für die Montage von Garniturhaltern am Grundkörper ist es vorteilhaft, wenn eine Justiereinrichtung an der Auflösewalze vorgesehen ist, die es bei der Montage erleichtert, die Durchbrechungen durch die die Befestigungsmittel, z.B. die Schrauben geführt werden, genau auf die dazugehörigen Gewinde einzurichten, so daß diese nicht erst gesucht werden müssen. Dazu ist ein Anschlag vorgesehen, der die richtige Position von Garniturhalter zu Grundkörper signalisiert. Arbeitet der Anschlag mit einer spiralförmigen Kante am Grundkörper zusammen, so ergibt sich der Vorteil, daß der Garniturhalter auf den Grundkörper aufgesetzt werden kann und so lange gedreht wird, bis der Anschlag hineinpaßt. Durch Weiterdrehen in der gleichen Bewegungsrichtung wird der Anschlag in seine Endstellung geführt, die dann die richtige Zuordnung kennzeichnet. Eine spiralförmige Kante hat dabei den Vorteil, daß bei Drehen in die falsche Richtung kein festes Anschlagen erfolgt, sondern lediglich Schwergängigkeit und letztlich ein Verklemmen. Besonders günstig ist es, wenn wenigstens die dem Lager abgewandte Stirnfläche der Auflösewalze eine spiralförmige Nute besitzt, die so angeordnet ist, daß durch die Drehung der Auflösewalze Luft vom Bereich der Drehachse der Stirnfläche radial nach außen gefördert wird. Bei einer vorteilhaften Weiterbildung ist vorgesehen, wenigstens den Garniturhalter als fließgepreßtes Bauteil auszubilden. Dadurch kann eine porenfreie Oberfläche erreicht werden, wodurch das Bauteil insbesondere kostengünstiger beschichtet werden kann.An above-described guidance of the fibers in the opening roller housing is described in German patent application P 43 41 411.7-26. Due to the design of the opening roller according to the invention is achieved that the end face of the opening roller facing away from the bearing can be formed as a flat surface that has no elevations, Has depressions or other edges on which fibers can stick. This also allows this opening roller be used in open-end spinning machines that have an improved Has fiber guidance in the opening roller housing. By using it of fasteners can be elaborate designs of base body and clothing holder, which are then distinguished by their own Allow the shape to be combined with one another, be dispensed with and the inexpensive type of attachment, for example with Screws are used. This also has the advantage easy to use and at the same time a secure connection of basic body and set holder to ensure, moreover the wave is covered in a simple manner. Very cheap it is when the base body is designed so that it end face facing the bearing, making it easy possible to replace the clothing carrier, as this does not have the camp must be led away. The risk of the set damaged during their replacement is thereby reduced. In addition, this allows the bore of the hub of the base body be consistent, which facilitates their workability and the Shaft is covered in a simple manner by the clothing holder. But it can also be favorable that the clothing holder the Includes bearing facing end face, especially when the Set holder works together with a ring-shaped set carrier. Then the disassembly roller can be on your for disassembly end face facing away from the bearing, then the clothing holder removed and then the ring-shaped clothing carrier be removed. This simple handling makes the The risk of damage to the clothing is significantly reduced. Of the The base body then covers with its end face facing away from the bearing the wave off. The base body or clothing holder are particularly cheap designed when they have an opening for a fastener included, the breakthrough for example can be a bore that is parallel to the shaft on the the opening roller is mounted, extends. Has the basic body the opening, through this the fastening means, For example, a screw, which then extends into the Set holder extends where the thread for this screw is placed is. It is the other way round if one different design of the opening roller of the clothing holder Has opening, through which the fastener is guided, which then ends in a thread of the base body. In a particularly favorable embodiment of the opening roller the clothing holder has such a shape that it has an im has essential cylindrical lateral surface, which in the axial Direction roughly corresponds to the width of the set and this Set applied to the outer surface of the set holder is. This can be done, for example, with a toothed wire, or also, for example, by a firmly pressed-on clothing carrier, who has needles or teeth, for example. At another favorable embodiment of the clothing holder this is a receptacle with which a ring-shaped clothing carrier is radial is supported. In another favorable embodiment the holder has a stop that axially one The clothing carrier is acted upon and this on the base body holds. It is also possible that the clothing holder both has a recording as well as a stop. In a cheap Embodiment of the fastener is in the form of Designed screws, it is particularly favorable if these are arranged at a substantially uniform distance from one another are. It is particularly advantageous to ensure that that the mass distribution on the opening roller is uniform, so that it doesn't run unbalanced. One is also conceivable Fastening means if it is ensured that the opening roller is balanced. Advantageously, three screws for the assignment of basic body and clothing holder used. If countersunk screws are used, they have the advantage of that with a corresponding design of the end face, through which they are guided, the flatness of the end face only completely minor disturbance. An embodiment of the is particularly favorable Opening roller, in which the thread for the screws in the clothing holder is arranged, because this ensures that when exchanging the opening roller receives a new thread. Because the set holder is often made of aluminum is also achieved by frequently replacing the set, that the attachment is always equally possible because the fasteners can work with an unused thread. In a particularly favorable embodiment, the Set holder has an axial hole, which is made using a cover is closed during the operation of the opening roller. This The lid is placed in the clothing holder in such a way that this front surface of the opening roller practically a perfect one forms a smooth surface. If the clothing holder has this axial Hole, namely, is achieved that if the set at his Manufacture to be coated, several clothing holders on a beam can be received through this axial bore, which makes coating easier and cheaper is feasible. It is particularly favorable if the cover is removed then the inside of the opening roller is cleaned can without having to disassemble the clothing carrier. For the Installation of clothing holders on the base body, it is advantageous if an adjustment device is provided on the opening roller, which makes it easier to assemble the openings through the the fasteners, e.g. the screws are guided, exactly to set up the associated thread so that it does not have to be searched first. A stop is provided for this the correct position from the clothing holder to the base body is signaled. If the stop works on with a spiral edge Base body together, there is the advantage that the clothing holder can be placed on the base body and for so long is turned until the stop fits. By turning in In the same direction of movement, the stop is in its end position led, which then marks the correct assignment. A spiral edge has the advantage that when turning in the wrong direction does not strike, but only Stiffness and ultimately jamming. Especially It is favorable if at least the end face facing away from the bearing the opening roller has a spiral groove, so is arranged that by the rotation of the opening roller air from Area of the axis of rotation of the end face conveyed radially outwards becomes. In an advantageous development, at least to design the clothing holder as an extruded component. This enables a pore-free surface to be achieved the component in particular can be coated more cost-effectively can.

Im folgenden wird die Erfindung anhand von zeichnerischen Darstellungen beschrieben. Es zeigt

Figur 1
eine Auflösewalze mit ihrer Lagerung, teilweise im Schnitt;
Figur 2
eine Teildarstellung einer Auflösewalze im Schnitt mit einem ringförmigen Garniturträger;
Figur 3
eine Draufsicht auf den Grundkörper mit geschnitten dargestelltem Garniturhalter;
Figur 4
eine Draufsicht auf die vom Lager abgewandte Stirnfläche der Auflösewalze.
The invention is described below with the aid of graphic representations. It shows
Figure 1
an opening roller with its storage, partly in section;
Figure 2
a partial view of an opening roller in section with an annular clothing carrier;
Figure 3
a plan view of the base body with a cut holder shown;
Figure 4
a plan view of the end face of the opening roller facing away from the bearing.

Die Auflösewalze 1 von Figur 1 ist auf einer Welle 2 montiert, die in einem Lager 3 gelagert ist. Auf ihrer der Auflösewalze 1 abgewandten Seite trägt die Welle 2 einen Wirtel 21, über den mit Hilfe eines Riemens die Auflösewalze angetrieben wird. Die Auflösewalze 1 selbst, die in der unteren Hälfte der Zeichnung geschnitten dargestellt ist, besteht aus einem Grundkörper 11 und einen Garniturhalter 12. Über ein Befestigungsmittel 4, das als Schraube 41 ausgestaltet ist, ist der Garniturhalter 12 mit dem Grundkörper 11 verbunden. Der Grundkörper 11 besitzt eine Nabe 111, die über eine Preßpassung auf der Welle 2 aufgepreßt ist. Der Grundkörper 11 besitzt eine Durchbrechung 112, die die Form einer Bohrung hat, durch die die Schraube 41 hindurchgeführt ist und sich bis in den Garniturhalter 12 erstreckt, wo sie mit einem Gewinde 117 zusammenarbeitet. Die Durchbrechung 112 erstreckt sich parallel zur Achse 22 der Welle 2. Die Befestigung des Garniturhalters 12 erfolgt erfindungsgemäß von der dem Lager 3 zugewandten Seite der Stirnfläche 14 der Auflösewalze 1 aus. Dies bedeutet, daß die Oberfläche der dem Lager zugewandten Stirnfläche 14 unterbrochen ist, weil das Befestigungsmittel 4 durch deren Oberfläche hindurchragt. Durch die Ausbildung der Schraube 41 als Senkkopfschraube ist jedoch die Störung der Eben- und Glattheit der Oberfläche der Stirnfläche 14 so gering wie möglich gehalten. Zur Aufnahme der Senkkopfschraube 41 ist die Durchbrechung 112 im Bereich der Stirnfläche 14 angesenkt. Zur Erhöhung der Stabilität des Grundkörpers 11 und insbesondere seiner Nabe 111 ist er mit Rippen 114 verstärkt. Besonders vorteilhaft besitzt der Grundkörper 11 Luftführungen 115. Die Welle 2 besitzt auf ihrer gesamten Länge eine achsparallele Bohrung 23, wodurch die Luftführung 115 über die Bohrung 23 mit der Außenluft, d.h. der Luft außerhalb eines Auflösewalzengehäuses in Verbindung steht. Dies hat den Vorteil, daß der Dichtungsspalt 9 zwischen dem Grundkörper 11 und der Hülse 31 des Lagers 3 mit der Außenluft in Verbindung steht. Dadurch kann Luft durch die Bohrung 23 über die Luftführung 115 in den Bereich vor der dem Lager zugewandten Stirnfläche 14 strömen. Dadurch wird erreicht, daß der Innenraum der Auflösewalze von Fasern und Schmutz freigehalten wird, die ansonsten durch den Dichtungsspalt 9 hindurch in den Innenraum gelangen und dort beispielsweise das Kugellager der Welle 2 verschmutzen können, oder sich derart ansammeln, daß eine Drehbewegung des Grundkörpers im Verhältnis zur Hülse 31 des Lagers 3 nicht mehr möglich ist. Ein Eindringen von Schmutz oder Fasern in die Auflösewalze kann besonders bei ungünstigen Druckverhältnissen im Auflösewalzengehäuse erfolgen.The opening roller 1 of Figure 1 is mounted on a shaft 2, which is stored in a warehouse 3. On the opening roller 1 opposite side, the shaft 2 carries a whorl 21, with the With the help of a belt the opening roller is driven. The opening roller 1 yourself, cut in the lower half of the drawing is shown, consists of a base body 11 and a clothing holder 12. Via a fastener 4, which as Screw 41 is designed, the clothing holder 12 with the Base body 11 connected. The base body 11 has a hub 111, which is pressed onto the shaft 2 via a press fit. The base body 11 has an opening 112, which is the shape has a hole through which the screw 41 is passed and extends into the clothing holder 12, where it with a Thread 117 works together. The opening 112 extends parallel to axis 22 of shaft 2. The attachment of the clothing holder 12 takes place according to the invention from the bearing 3 facing Side of the end face 14 of the opening roller 1. This means, that the surface of the end face facing the bearing 14 is interrupted because the fastener 4 by their Protruding surface. By designing the screw 41 as Countersunk screw, however, is the disorder of flatness and smoothness the surface of the end face 14 is kept as low as possible. To accommodate the countersunk screw 41, the opening 112 is in the Area of the end face 14 countersunk. To increase stability of the base body 11 and in particular its hub 111, it is with Ribs 114 reinforced. The base body is particularly advantageous 11 air ducts 115. The shaft 2 has on its entire Length of an axially parallel bore 23, whereby the air duct 115 through the bore 23 with the outside air, i.e. the air outside an opening roller housing is connected. This has the Advantage that the sealing gap 9 between the base body 11 and the sleeve 31 of the bearing 3 communicates with the outside air. This allows air to flow through the bore 23 via the air duct 115 flow into the area in front of the end face 14 facing the bearing. This ensures that the interior of the opening roller is kept free of fibers and dirt, which would otherwise be caused by the Sealing gap 9 get into the interior and there, for example can contaminate the ball bearing of shaft 2, or accumulate in such a way that a rotational movement of the base body in Relationship to the sleeve 31 of the bearing 3 is no longer possible. A Penetration of dirt or fibers into the opening roller can be particularly difficult with unfavorable pressure conditions in the opening roller housing respectively.

Zur Aufnahme des Garniturhalters 12 besitzt der Grundkörper 11 Aufnahmeflächen 116 über die der Garniturhalter 12 am Grundkörper 11 zentriert wird. Der Garniturhalter 12 besitzt eine zylindrische Mantelfläche 121, die eine axiale Länge besitzt, die der Breite der auf der Mantelfäche aufgebrachten Garnitur 8 entspricht. Der Garniturhalter 12 ist mit der zylindrischen Mantelfläche 121 einstückig ausgebildet, was eine besonders günstige und einfache Ausführungsform ergibt. Die zylindrische Mantelfläche 121 besitzt Nuten 122, in der der Fuß des Garniturdrahtes eingepaßt ist. Die dem Lager 3 abgewandte Stirnfläche 15 der Auflösewalze 1 wird hier besonders vorteilhaft vollständig durch den Garniturhalter 12 gebildet. Es wäre auch denkbar, daß bei einer anderen Ausführungsform des Grundkörpers 11 dieser bis in die Ebene der dem Lager 3 abgewandten Stirnfläche 15 reichen würde, wodurch diese Stirnfläche teilweise durch den Grundkörper 11 und teilweise den Garniturhalter 12 gebildet werden würde. Dies hätte allerdings den Nachteil, daß zwischen beiden ein Spalt entstehen würde, in den sich Verschmutzungen durch Fasern ansammeln könnten, die zu Störungen des Spinnbetriebs führen würden. Besonders günstig ist allerdings auch bei dieser Ausführungsform noch gegenüber dem Stand der Technik, daß die Welle 2 nicht in die Ebene der dem Lager 3 zugewandten Stirnfläche 15 hineinreicht, sondern vom Grundkörper 11 oder dem Garniturhalter 12 abgedeckt wird. Das Ende der Welle 2 neigt nämlich besonders dazu, daß sich Fasern anheften. Der Garniturhalter 12 von Figur 1 besitzt eine axiale Bohrung 123, die durch den Deckel 124 verschlossen ist, so daß die dem Lager 3 abgewandte Stirnfläche 15 vollkommen eben ist, wobei der Übergang zwischen dem Deckel 124 und dem Garniturhalter 12 einen so geringen Spalt hat, daß dieser nicht zu Störungen des Spinnbetriebs führen kann. Die axiale Bohrung 123 hat den Sinn, während der Herstellung des Garniturhalters 12 dessen Handhabbarkeit zu erleichtern. Insbesonder wenn die Garnitur 8 beschichtet wird, können infolge des Vorhandenseins der axialen Bohrung 123 mehrere Garniturhalter 12 auf einem Dorn aufgefädelt werden, um sie gemeinsam beschichten zu können.The base body 11 has to hold the clothing holder 12 Receiving surfaces 116 over that of the clothing holder 12 on the base body 11 is centered. The clothing holder 12 has a cylindrical Shell surface 121, which has an axial length that the Width of the set 8 applied to the jacket surface corresponds. The clothing holder 12 is with the cylindrical outer surface 121 formed in one piece, which is a particularly cheap and simple embodiment results. The cylindrical surface 121 has grooves 122 in which the foot of the clothing wire is fitted. The end face 15 of the opening roller facing away from the bearing 3 1 is particularly advantageously completely by the Set holder 12 formed. It would also be conceivable that one another embodiment of the base body 11 this into the Plane of the end face 15 facing away from the bearing 3 would suffice, whereby this end face partially through the base body 11 and partially the clothing holder 12 would be formed. This should have been however, the disadvantage that there is a gap between the two where fiber contamination could accumulate, which would lead to malfunctions in the spinning operation. Especially However, this embodiment is also favorable compared to the prior art that the shaft 2 is not in the plane extends into the end face 15 facing the bearing 3, but instead is covered by the base body 11 or the clothing holder 12. The The end of the shaft 2 is particularly prone to fibers to pin. The clothing holder 12 of Figure 1 has an axial Bore 123, which is closed by the cover 124, so that the end face 15 facing away from the bearing 3 is completely flat, the transition between the cover 124 and the clothing holder 12 has such a small gap that it does not interfere with the Can lead to spinning. The axial bore 123 makes sense during the manufacture of the clothing holder 12, its manageability to facilitate. Especially when the set 8 is coated due to the presence of the axial bore 123 several clothing holder 12 to be threaded on a mandrel to be able to coat them together.

Bei der Ausführungsform von Figur 1 trägt der Grundkörper 11 die dem Lager 3 zugewandte Stirnfläche 14. Es wäre jedoch ebenso möglich den Grundkörper so auszugestalten, daß dieser die dem Lager 3 abgewandte Stirnfläche 15 besitzen würde. Dies hätte entsprechend zur Folge, daß der Garniturhalter die dem Lager 3 zugewandte Stirnfläche 14 besitzen würde. Bei dessen Montage bzw. Demontage müßte der Garniturhalter dann über das Lager 3 dem Grundkörper zugeführt werden. Dann hätte entsprechend der Grundkörper das Gewinde zum Einschrauben der Schrauben und der Garniturhalter hätte eine Durchbrechung zum Durchstecken der Schrauben. Die in Figur 1 gezeigte Ausführungsform hat dieser Ausführungsform gegenüber aber den Vorteil, daß mit dem Auswechseln des Garniturhalters 12 auch jedesmal ein neues Gewinde 112 eingesetzt wird. Da die Auflösewalze meist aus Aluminium hergestellt wird, das bekanntlich nicht so hart ist und Gewinde entsprechend eher verschleißen können, ist dies besonders vorteilhaft.In the embodiment of Figure 1, the base body 11 carries the end face 14 facing bearing 3. However, it would also be possible to design the base body so that this the the camp 3 would have opposite end face 15. This would have been appropriate as a result that the clothing holder facing the bearing 3 Would have end face 14. During its assembly or disassembly the set holder would then have to over the bearing 3 the base body be fed. Then the base body would have that Thread for screwing in the screws and the set holder would have an opening for inserting the screws. In the Figure 1 shown embodiment has this embodiment compared but the advantage that with the replacement of the clothing holder 12 a new thread 112 is also used each time. As the opening roller is mostly made of aluminum, as is well known is not that hard and the thread is more likely to wear out accordingly can, this is particularly advantageous.

Die in Figur 2 teilweise dargestellte Auflösewalze im Schnitt enthält ebenfalls ein Befestigungsmittel 4, mit dessen Hilfe die Befestigung von der dem Lager 3 zugewandten Stirnfläche 14 erfolgt. Die Auflösewalze von Figur 2 besitzt jedoch einen ringförmigen Garniturträger 7, der mit Hilfe des Garniturhalters 12 und dem Befestigungsmittel 4 mit dem Grundkörper 11 der Auflösewalze 1 verbunden wird. Der Garniturhalter 12 besitzt eine Aufnahme 125, die den ringförmigen Garniturträger radial führt. Gleichzeitig besitzt der Garniturhalter 12 einen Anschlag 126, der den ringförmigen Garniturträger 7 axial führt. Der Garniturträger 7 ist im in Figur 2 gezeigten Ausführungsbeispiel mit einer Garnitur 8 versehen, die aus einem aufgezogenen Garniturdraht besteht. Der Garniturträger 7 kann jedoch auch eine Garnitur besitzen, die aus dem Vollen heraus hergestellt ist, d.h. aus dem Garniturträger 7 beispielsweise herausgeschliffen ist. Ebenso können selbstverständlich auch Garniturträger 7 eingesetzt werden, die mit Nadeln versehen sind. Anders als beim Ausführungsbeispiel von Figur 1 besitzt der Garniturhalter 12 keine axiale Bohrung (123, Figur 1). Zur Führung der Luft durch die Bohrung 23 der Welle 2 im Bereich des Garniturhalters 12 besitzt dieser eine nicht dargestellte Führungsnut für die Luft, so daß die Luftführung 115 des Grundkörpers 11 über die Bohrung 23 der Welle 2 mit der Außenluft in Verbindung steht.The opening roller partially shown in Figure 2 in section also contains a fastener 4, with the help of which Attachment of the end face 14 facing the bearing 3 is carried out. The opening roller of Figure 2, however, has an annular Garnierträger 7, with the help of the clothing holder 12 and the fastener 4 with the base body 11 of the opening roller 1 is connected. The clothing holder 12 has a receptacle 125, which guides the ring-shaped clothing carrier radially. At the same time the clothing holder 12 has a stop 126 which the annular clothing carrier 7 leads axially. The clothing rack 7 is in the embodiment shown in Figure 2 with a set 8 provided, which consists of a wound clothing wire. However, the clothing carrier 7 can also have a clothing that is made from the solid, i.e. from the clothing rack 7 is ground out, for example. Likewise, of course also clothing carrier 7 are used, the needles are provided. Unlike the embodiment of Figure 1, the clothing holder 12 has no axial bore (123, FIG 1). To guide the air through the bore 23 of the shaft 2 in the area the clothing holder 12 has one, not shown Guide groove for the air, so that the air duct 115 of the Base body 11 through the bore 23 of the shaft 2 with the outside air communicates.

Figur 3 zeigt eine Draufsicht auf die Auflösewalze von Figur 1, von der dem Lager 3 abgewandten Seite, wobei der Garniturhalter im Bereich der Linie A-A, Figur 1, geschnitten dargestellt ist. Die Justiereinrichtung besteht im wesentlichen aus einem Justieranschlag 61, der am Garniturhalter 12 angebracht ist und aus einer Kante 62, die am Grundkörper 11 ausgebildet ist. Die Kante 62 ist in Form einer leicht von einer Kreislinie, mit Mittelpunkt im Zentrum der Auflösewalze, abweichenden, spiralförmigen Linie ausgebildet. Die Auflösewalze von Figur 3 besitzt drei solcher spiralförmiger Kanten 62 und der Garniturhalter 12 entsprechend drei Justieranschläge 61. Am Anfang bzw. Ende jeder spiralförmigen Kante 62 ergibt sich in Folge des veränderten Abstandes der Kante 62 zum Mittelpunkt ein Absatz 63, an dem der Justieranschlag 61 zum Justieren von Garniturhalter zu Grundkörper 11 anschlägt. Die spiralförmige Form der Kante 62 hat den Vorteil, daß beim Aufsetzen des Garniturhalters 12 auf den Grundkörper 11 der Justieranschlag 61 meist in einem Bereich zu liegen kommt, wo der Abstand des Justieranschlags 61 zum Mittelpunkt der Auflösewalze kleiner ist als der Abstand der Kante 62. Das bedeutet, daß der Garniturhalter 12 nicht auf dem Grundkörper 11 einrastet. Erst durch Rechtsdrehen des Garniturhalters 12 im Verhältnis zum Grundkörper 11 kommt der Justieranschlag 61 in einen Bereich, wo zwischen dem Justieranschlag 61 und der Kante 62 Spiel herrscht, so daß der Garniturhalter auf den Grundkörper 11 aufsitzt. Um nun die Gewinde (117, Figur 1) deckungsgleich mit den Durchbrechungen 112 zu bringen, braucht der Garniturhalter 12 nur weiter in die gleiche Richtung gedreht zu werden, bis der Justieranschlag 61 des Garniturhalters 12 am Absatz 63 des Grundkörpers 11 anschlägt. Im Ausführungsbeispiel von Figur 3 sind drei Absätze 63 vorhanden, die den Vorteil haben, daß beim Aufsetzen des Garniturhalters 12 auf den Grundkörper 11, dieser nicht so leicht verkantet. Es ist auch möglich, mit weniger Absätzen oder Justieranschlägen auszukommen.FIG. 3 shows a top view of the opening roller of FIG. 1, from the side facing away from the bearing 3, the clothing holder in the area of line A-A, Figure 1, is shown in section. The adjustment device essentially consists of an adjustment stop 61, which is attached to the clothing holder 12 and from a Edge 62, which is formed on the base body 11. The edge 62 is in the form of a slightly from a circular line, centered in Center of the opening roller, deviating, spiral-shaped line is formed. The opening roller of Figure 3 has three such spiral Edges 62 and the clothing holder 12 corresponding to three Adjustment stops 61. At the beginning or end of each spiral Edge 62 results from the changed distance of the edge 62 a paragraph 63 to the center, on which the adjustment stop 61st for adjusting the tool holder to the base body 11. The Spiral shape of the edge 62 has the advantage that when it is put on of the holder 12 on the base body 11 of the adjustment stop 61 usually lies in an area where the distance the adjustment stop 61 to the center of the opening roller smaller is 62 as the distance of the edge. This means that the clothing holder 12 does not snap onto the base body 11. Only by Turn the clothing holder 12 clockwise in relation to the base body 11 comes the adjustment stop 61 in an area where between the Adjustment stop 61 and the edge 62 game prevails, so that the Set holder sits on the base body 11. Now around the thread (117, FIG. 1) is congruent with the openings 112 bring, the clothing holder 12 only needs to continue in the same Direction to be turned until the adjustment stop 61 of the clothing holder 12 strikes the shoulder 63 of the base body 11. In the embodiment of Figure 3 there are three paragraphs 63, the have the advantage that when placing the clothing holder 12 on the base body 11, this not so easily tilted. It is also possible to get by with fewer paragraphs or adjustment stops.

Figur 4 zeigt eine Draufsicht auf die Stirnfläche 14 der Auflösewalze, die vom Lager abgewandt ist. Bei dieser Ausführung ist die Stirnfläche 14 mit einer spiralförmigen Nute 140 versehen, die dazu dient bei Drehung der Auflösewalze Luft vom Bereich der Drehachse der Auflösewalze radial nach außen zu fördern. Die spiralförmige Nute 140 muß dabei nicht bis zum Mittelpunkt der Stirnfläche 14 verlaufen. Es genügt, wenn wenigstens im Außenbereich der Stirnfläche 14 eine gekrümmte Nute 140 angeordnet ist, die geeignet ist, bei der im Betrieb der Auflösewalze verwendeten Drehrichtung (Pfeil P) Luft radial nach außen zu fördern. Eine solche, nicht in Figur 4 gezeigte, kürzer ausgebildete Nute ist insbesondere bei der dem Lager zugewandten Stirnfläche der Auflösewalze geeignet. Bei der Ausbildung der Nute 140 ist darauf zu achten, daß sie keine solchen Kanten besitz, an denen sich Fasern festsetzen können.FIG. 4 shows a top view of the end face 14 of the opening roller, which faces away from the camp. This version is the End face 14 provided with a spiral groove 140, the this is done by rotating the opening roller air from the area To promote the axis of rotation of the opening roller radially outwards. The spiral Groove 140 does not have to reach the center of the End face 14 run. It is sufficient if at least outdoors a curved groove 140 is arranged on the end face 14, which is suitable for the one used in the operation of the opening roller Direction of rotation (arrow P) To convey air radially outwards. A is a shorter groove, not shown in FIG. 4 especially in the face of the opening roller facing the bearing suitable. When the groove 140 is formed, this is the case make sure that it has no edges on which fibers are attached can fix.

Bei der Beschreibung der vorliegenden Erfindung wurde als Befestigungsmittel speziell die Schraube beschrieben. Es ist jedoch auch möglich eine Art Bayonett-Verschluß einzusetzen.In describing the present invention has been used as a fastener specifically described the screw. However, it is it is also possible to use a kind of bayonet lock.

Claims (15)

  1. A separating roller for an open-end spinning device, with a base body (11) which contains at least parts of an end face of the separating roller (1) and by way of which the separating roller is secured to a shaft (2) mounted in a bearing (3) for the rotatable mounting of the separating roller (1), with a card-clothing holder (12) - containing at least parts of an end face (15) of the separating roller (1) - for holding a card clothing (8), and with one or more fastening means (4) for the fixed correlation of the card-clothing holder (12) with respect to the base body (11), wherein the shaft (2) is covered by the base body (11) or the card-clothing holder (12), characterized in that the fastening of the card-clothing holder (12) is carried out from the end face (14) of the separating roller (1) facing the bearing (3), and the card-clothing holder (12) is provided with an axial bore (123) closed by means of a cover (124).
  2. A separating roller according to Claim 1, characterized in that the base body (11) contains the end face (14) facing the bearing (3).
  3. A separating roller according to Claim 1, characterized in that the card-clothing holder (12) contains the end face (14) facing the bearing (3).
  4. A separating roller according to one or more of Claims 1 to 3, characterized in that the base body (11) or the card-clothing holder (12) is provided with an aperture (112) which extends substantially parallel to the axis (22) of the shaft (2) and through which a fastening means (4, 41) extends into the card-clothing holder (12) or the base body (11) respectively.
  5. A separating roller according to one or more of Claims 1 to 4, characterized in that the card-clothing holder (12) is provided with an outer face (121) which is substantially cylindrical on the outer periphery thereof and to which a card clothing (8) is attached.
  6. A separating roller according to one or more of Claims 1 to 4, characterized in that the card-clothing holder (12) is provided with a receiving means (125) and/or a stop (126) for holding an annular card clothing carrier (7).
  7. A separating roller according to one or more of Claims 1 to 6, characterized in that the fastening means (4) are screws (41) arranged at a substantially uniform distance from one another.
  8. A separating roller according to Claim 7, characterized in that three screws (41) are provided as the fastening means (4).
  9. A separating roller according to Claim 7 or 8, characterized in that the screws (41) are countersunk-head screws, and the end face (14) of the separating roller (1) facing the bearing (3) is provided with apertures (112) adapted for receiving countersunk-head screws in a corresponding manner.
  10. A separating roller according to one or more of Claims 7 to 9, characterized in that the thread (117) cooperating with the screws (41) is provided in the card-clothing holder (12).
  11. A separating roller for an open-end spinning device, with a base body (11) which contains at least parts of an end face of the separating roller (1) and by way of which the separating roller is secured to a shaft (2) mounted in a bearing (3) for the rotatable mounting of the separating roller (1), with a card-clothing holder (12) - containing at least parts of an end face (15) of the separating roller (1) - for holding a card clothing (8), and with one or more fastening means (4) for the fixed correlation of the card-clothing holder (12) with respect to the base body (11), wherein the shaft is covered by the base body (11) or the card-clothing holder (12), characterized in that the fastening of the card-clothing holder (12) is carried out from the end face (14) of the separating roller (1) facing the bearing (3), and the base body (11) and the card-clothing holder (12) are provided in each case with parts of an adjustment device (6) comprising an adjustment stop (61) for the aligned superposition of an aperture (112) for the passage of a screw (41) and the thread (117) associated with the screw (41).
  12. A separating roller according to Claim 11, characterized in that the adjustment stop (61) is arranged on the card-clothing holder (12) and the latter cooperates with a helical edge (62) in the base body (11).
  13. A separating roller according to one or more of Claims 1 to 12, characterized in that the end face (15) remote from the bearing (3) is an uninterrupted flat face.
  14. A separating roller according to one or more of Claims 1 to 12, characterized in that at least the end face (15) remote from the bearing (3) is has a helical groove.
  15. A separating roller according to one or more of Claims 1 to 14, characterized in that at least the card-clothing holder (12) is an impact-extruded part.
EP19960105683 1995-06-07 1996-04-11 Opening roller for an open-end spinning machine Expired - Lifetime EP0747517B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE1995120345 DE19520345C2 (en) 1995-06-07 1995-06-07 Opening roller for an open-end spinning device
DE19549680A DE19549680B4 (en) 1995-06-07 1995-06-07 Opening roller for an open-end spinning device
DE19520345 1995-06-07
DE19549679A DE19549679B4 (en) 1995-06-07 1995-06-07 Opening roller for an open-end spinning device

Publications (2)

Publication Number Publication Date
EP0747517A1 EP0747517A1 (en) 1996-12-11
EP0747517B1 true EP0747517B1 (en) 1999-07-14

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EP19960105683 Expired - Lifetime EP0747517B1 (en) 1995-06-07 1996-04-11 Opening roller for an open-end spinning machine

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DE (1) DE19520345C2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19653359B4 (en) * 1996-12-20 2010-01-14 Rieter Ingolstadt Gmbh Opening roller for an open-end spinning device
EP1344853B2 (en) * 2002-03-15 2012-06-27 Rieter Ingolstadt GmbH Combing ring
DE10236992B4 (en) * 2002-03-15 2012-10-04 Rieter Ingolstadt Gmbh Opening roller for an OE spinning device
DE10260507A1 (en) * 2002-12-21 2004-07-01 Rieter Ingolstadt Spinnereimaschinenbau Ag Separation roller parting fibrous bands into individual fibers on open-ended spinning machine, includes profile holder blocking entry to shaft bearing
DE102005034993B4 (en) * 2005-07-27 2016-05-25 Saurer Germany Gmbh & Co. Kg Drive roller for a textile machine producing coils
DE102007037229A1 (en) 2007-08-07 2009-02-12 Rieter Ingolstadt Gmbh Opening roller with clip connection

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2849844A (en) * 1956-11-26 1958-09-02 Jr Edwin Allen Snape Card clothing grinding head
DE2528485B2 (en) * 1975-06-26 1978-10-12 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Opening roller for an open-end spinning device
CH614467A5 (en) * 1977-03-01 1979-11-30 Burckhardt Christoph Co
DE2752591A1 (en) * 1977-11-25 1979-05-31 Reiners & Fuerst OPENING ROLLER FOR AN OPEN-END SPINNING MACHINE
GB1596531A (en) * 1978-05-26 1981-08-26 Eadie Bros & Co Ltd Textile opening rollers
DE3814514C2 (en) * 1988-04-29 1995-09-28 Stahlecker Gmbh Wilhelm Opening roller for an OE spinning device
DE8909448U1 (en) * 1989-08-08 1989-10-19 Schubert & Salzer Maschinenfabrik Ag, 8070 Ingolstadt Opening roller for an OE spinning device
DE4039634A1 (en) * 1990-12-12 1992-06-17 Fritz Stahlecker Open=end spinning unit - has firm cylindrical support for hardened sawtooth clothing on opening roller
DE4341411C2 (en) * 1993-12-04 1995-09-07 Rieter Ingolstadt Spinnerei Method and device for pneumatically feeding fibers to the fiber collecting surface of an open-end spinning element

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Publication number Publication date
DE19520345C2 (en) 2003-10-09
EP0747517A1 (en) 1996-12-11
DE19520345A1 (en) 1996-12-12

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