WO2005007948A1 - Device for producing spun thread from staple fibre assembly - Google Patents

Device for producing spun thread from staple fibre assembly Download PDF

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Publication number
WO2005007948A1
WO2005007948A1 PCT/EP2004/006874 EP2004006874W WO2005007948A1 WO 2005007948 A1 WO2005007948 A1 WO 2005007948A1 EP 2004006874 W EP2004006874 W EP 2004006874W WO 2005007948 A1 WO2005007948 A1 WO 2005007948A1
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WO
WIPO (PCT)
Prior art keywords
channel
spindle
component
inlet opening
thread take
Prior art date
Application number
PCT/EP2004/006874
Other languages
German (de)
French (fr)
Inventor
Gernot SCHÄFFLER
Original Assignee
Maschinenfabrik Rieter Ag
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 Maschinenfabrik Rieter Ag filed Critical Maschinenfabrik Rieter Ag
Priority to JP2006519792A priority Critical patent/JP2009513836A/en
Priority to DE502004011001T priority patent/DE502004011001D1/en
Priority to EP04740286A priority patent/EP1644561B1/en
Publication of WO2005007948A1 publication Critical patent/WO2005007948A1/en

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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
    • D01H4/02—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 imparting twist by a fluid, e.g. air vortex
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
    • D01H15/002—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing for false-twisting spinning machines

Definitions

  • the invention relates to a device for producing a spun thread from a staple fiber association, with a feed channel for feeding the staple fiber association, with a thread take-off channel having an inlet opening, which is arranged in a stationary spindle-like component, with a fluid device for generating a vortex flow around the inlet opening of the thread take-off channel , with an exhaust air duct which surrounds the spindle-like component in a ring and with an injection duct which is connected to the thread take-off duct with an opening and is directed towards its inlet opening and can be connected to a compressed air source.
  • a device of this type is known from EP 0 787 843 A1.
  • a staple fiber structure is drawn into a fiber ribbon in the drafting system, which is then given the spinning rotation in an air nozzle unit.
  • the fiber ribbon is first passed through a feed channel of the air nozzle unit into a swirl chamber, which is assigned a fluid device for generating a swirl flow around an inlet opening of a thread take-off channel.
  • the front ends of the fibers held in the fiber ribbon are guided into the thread take-off channel, while the rear free fiber ends are spread apart, caught by the vortex flow, and are rotated around the front ends that are already in the inlet opening of the thread take-off channel, that is to say incorporated, which results in a thread with largely real rotation is generated.
  • Such a device allows particularly high speeds of more than 300 m per minute.
  • an injection channel is provided in the spindle-like component, which is connected with an opening to the thread take-off channel and is directed against its inlet opening. If this injection channel is connected to a compressed air source, a suction flow directed against the drafting system is created in the thread draw-off channel, with the aid of which the thread already spun can be transported back to the drafting system.
  • the injection channel shown and described only in FIG. 10 of the cited document is tapered and is directed obliquely through the spindle-like component against the thread take-off channel. It is not disclosed in the known publication how the injection channel is produced in practical devices.
  • the object of the invention is to create favorable conditions for a device of the type mentioned at the outset that such an injection channel can be produced in a simple and inexpensive manner.
  • the object is achieved in that a separate spindle tip containing the injection channel and containing the inlet opening of the thread take-off channel is arranged on the spindle-like component.
  • the spindle tip which is arranged separately on the now multi-part spindle-like component, can be designed in such a way that the injection channel can be produced in a simple manner and connected to a compressed air source.
  • the spindle tip can be attached to the spindle-like component as desired and glued on, for example, it is provided in a further embodiment of the invention that the spindle tip is inserted into the spindle-like component in an easily replaceable manner and is fixed there, for example by means of an O-ring.
  • the injection channel can be attached to the spindle tip in such a way that it begins at its end facing away from the mouth on a boundary surface of the spindle tip arranged essentially perpendicular to the injection channel. As a result, even if the injection channel runs at an angle to the thread take-off channel, a thin hole can be drilled perpendicular to a processing surface.
  • the invention can be further developed in that the injection channel at its end facing away from the mouth outside the spindle tip in the spindle-like component with a Connection channel is continued, which can be connected to the compressed air source.
  • a Connection channel is continued, which can be connected to the compressed air source.
  • the invention further relates to a spindle tip for the device described, which is characterized in that it contains the initial part and an inlet opening of a thread take-off channel, which is connected via an opening to an injection channel directed against the inlet opening.
  • a spindle tip for the device described, which is characterized in that it contains the initial part and an inlet opening of a thread take-off channel, which is connected via an opening to an injection channel directed against the inlet opening.
  • the spindle tip can have a cylindrical guide surface which can be inserted into a correspondingly shaped hollow cylindrical recess in a spindle-like component.
  • Said cylindrical guide surface can end on an end surface.
  • a chamfer or the like is provided at the transition region between the cylindrical guide surface and the end face of the spindle tip, at which the end of the injection channel facing away from the mouth begins.
  • a spindle tip inserted separately into the stationary spindle-like component also makes sense if it does not contain an injection channel, since such a spindle tip can be regarded as a spin agent with which the character of the spun thread can be changed.
  • the tip of the spindle can be more or less brought up to the feed channel, whereby a thread with greater or lesser hairiness can be spun.
  • FIG. 1 shows an enlarged axial section through the air nozzle unit in the area of the stationary spindle-like component, Figure 2 in an even greater magnification an axial section through the spindle tip which can be inserted into the spindle-like component.
  • the device shown in FIG. 1 is used to produce a spun thread 1 from a staple fiber dressing 2.
  • the essential components include a drafting device 3 and an air nozzle unit 4.
  • the staple fiber structure 2 to be spun is fed to the drafting device 3 in the direction of delivery A and drawn off as spun thread 1 in the direction of take-off B and passed on to a winding device (not shown).
  • the drafting system 3 which is only partially shown, is preferably a three-cylinder drafting system and contains a total of three roller pairs, each of which contains a driven lower roller and an upper roller designed as a pressure roller. Only the pair of delivery rollers 5.6 is shown.
  • the staple fiber structure 2 is warped to the desired fineness in a known manner.
  • a thin fiber ribbon 7, which is stretched but still untwisted.
  • the fiber ribbon 7 is fed to the air nozzle unit 4 via a feed channel 8.
  • a so-called swirl chamber 9 follows, in which the fiber ribbon 7 is given the spinning twist, so that the spun thread 1 is produced, which is drawn off through a thread take-off channel 10.
  • a fluid device generates a vortex flow in the vortex chamber 9 by blowing compressed air through tangential air nozzles 11 opening tangentially into the vortex chamber 9.
  • the compressed air emerging from the nozzle openings is discharged through an exhaust air duct 12, which has an annular cross section around a spindle-like stationary component 13 which contains the thread take-off duct 10.
  • an edge of a fiber guide surface 14 is arranged as a twist lock, which is arranged slightly eccentrically to the thread take-off channel 10 in the area of its inlet opening 15.
  • the fibers to be spun are held on the one hand in the fiber ribbon 7 and thus guided from the feed channel 8 into the thread take-off channel 10 essentially without imparting rotation.
  • the fibers in the area between the feed channel 8 and the thread take-off channel 10 are exposed to the effect of the vortex flow, through which they or at least their end regions are driven radially away from the inlet opening 15 of the thread take-off channel 10.
  • the threads 1 produced with the described method thereby show a core of fibers or fiber regions running essentially in the longitudinal direction of the thread without substantial rotation and an outer region in which the fibers or fiber regions are rotated around the core.
  • a device of this type allows particularly high spinning speeds, which can be in the order of 600 m per minute.
  • an injection channel 16 is provided as an aid, which can be connected to a compressed air source 17 and whose mouth 18 is connected to the thread take-off channel 10 and is directed against its inlet opening 15. In this way, a suction air flow directed against the drafting device 3 can be achieved in the thread take-off channel 10, which returns the end of the spun thread 1 to the delivery roller pair 5, 6.
  • a spindle tip 19 is provided according to the invention, which is arranged on the spindle-like component 13 'and an the inlet opening 15 of the thread take-off channel 10 and contains the injection channel 16.
  • FIG. 2 shown in a greatly enlarged form. One can see here the separately shown spindle tip 19 with the injection channel 16, which is directed with its mouth 18 against the inlet opening 15.
  • the spindle tip 19 is easily replaceable in the spindle-like component 13 and fixed there by means of an O-ring 20.
  • the injection channel 16 begins with its end 21 facing away from the mouth 18 on a boundary surface 22 of the spindle tip 19 which is arranged essentially perpendicular to the injection channel 16.
  • the injection channel 16 can easily be made in the spindle-like component 13 through a bore, even if it is oblique to the thread take-off channel 10 runs.
  • the injection channel 16 is continued outside the spindle tip in the spindle-like component 13 with a connecting channel 23, which in turn can be connected to the compressed air source 17 if required.
  • the connection channel 23 can therefore run parallel to the thread take-off channel 10, which is much easier to manufacture than was the case in the prior art.
  • the connection channel 23 can open at an end face 24 of a recess 25 for the spindle tip 19.
  • the spindle tip 19 contains the start part 26 and the inlet opening 15 of the thread take-off channel 10.
  • the injection channel 16 opens into this start part 26 with its mouth 18.
  • the start part 26 thus belongs to the thread take-off channel 10 and is coaxial with it ,
  • the spindle tip 19 At its end region 27 facing away from the inlet opening 15, the spindle tip 19 has a cylindrical guide surface 28 on the outside, which can be inserted into a correspondingly shaped hollow cylindrical recess 25 of the spindle-like component 13.
  • the cylindrical guide surface 28 ends at an end surface 29.
  • a chamfer 31 or the like is provided, at which the end 21 of the injection channel 16 facing away from the mouth 18 begins.

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

Abstract

The invention relates to device for producing spun thread from staple fibre assembly comprising a delivery channel which is provided with an admission opening and a spindel-like stationary component. The inventive device also comprises a fluid unit for producing a vortex flow around the admission opening of the fibre delivery channel and an air exhaust channel surrounding the spindel-like component in the form of a circle. Said device comprises an injection channel connectable to a compressed air source which is connected to the fibre delivery channel by means of an orifice and directed to the admission opening thereof. According to said invention, the spindel-like component is provided with a separate spindle tip comprising the admission opening of the fibre delivery channel and also the injection channel.

Description

Vorrichtung zum Herstellen eines gesponnenen Fadens aus einem Stapelfaserverband Device for producing a spun thread from a staple fiber bandage
Die Erfindung betrifft eine Vorrichtung zum Herstellen eines gesponnenen Fadens aus einem Stapelfaserverband, mit einem Zuführkanal zum Zuführen des Stapelfaserverbandes, mit einem eine Einlassöffnung aufweisenden Fadenabzugskanal, der in einem stationären spindelartigen Bauteil angeordnet ist, mit einer Fluideinrichtung zum Erzeugen einer Wirbelströmung um die Einlassöffnung des Fadenabzugskanals, mit einem das spindelartige Bauteil ringförmig umgebenden Abluftkanal sowie mit einem mit einer Mündung an den Fadenabzugskanal angeschlossenen, gegen dessen Einlassöffnung gerichteten, an eine Druckluftquelle anschließbaren Injektionskanal.The invention relates to a device for producing a spun thread from a staple fiber association, with a feed channel for feeding the staple fiber association, with a thread take-off channel having an inlet opening, which is arranged in a stationary spindle-like component, with a fluid device for generating a vortex flow around the inlet opening of the thread take-off channel , with an exhaust air duct which surrounds the spindle-like component in a ring and with an injection duct which is connected to the thread take-off duct with an opening and is directed towards its inlet opening and can be connected to a compressed air source.
Eine Vorrichtung dieser Art ist durch die EP 0 787 843 A1 Stand der Technik. Bei dieser Vorrichtung wird ein Stapelfaserverband im Streckwerk zu einem Faserbändchen verzogen, dem in einem Luftdüsenaggregat dann die Spinndrehung erteilt wird. Hierzu wird das Faserbändchen durch einen Zuführkanal des Luftdüsenaggregates zunächst in eine Wirbelkammer geführt, der eine Fluideinrichtung zum Erzeugen einer Wirbelströmung um eine Einlassöffnung eines Fadenabzugskanals herum zugeordnet ist. Dabei werden zunächst die vorderen Enden der im Faserbändchen gehaltenen Fasern in den Fadenabzugskanal geführt, während hintere freie Faserenden abgespreizt, von der Wirbelströmung erfasst und um die sich bereits in der Einlassöffnung des Fadenabzugskanals befindlichen, also eingebundenen vorderen Enden herumgedreht werden, wodurch ein Faden mit weitgehend echter Drehung erzeugt wird. Eine solche Vorrichtung erlaubt besonders hohe Geschwindigkeiten von mehr als 300 m pro Minute.A device of this type is known from EP 0 787 843 A1. In this device, a staple fiber structure is drawn into a fiber ribbon in the drafting system, which is then given the spinning rotation in an air nozzle unit. For this purpose, the fiber ribbon is first passed through a feed channel of the air nozzle unit into a swirl chamber, which is assigned a fluid device for generating a swirl flow around an inlet opening of a thread take-off channel. First, the front ends of the fibers held in the fiber ribbon are guided into the thread take-off channel, while the rear free fiber ends are spread apart, caught by the vortex flow, and are rotated around the front ends that are already in the inlet opening of the thread take-off channel, that is to say incorporated, which results in a thread with largely real rotation is generated. Such a device allows particularly high speeds of more than 300 m per minute.
Wenn bei der bekannten Vorrichtung aus irgendeinem Grund das Faserbändchen oder der ersponnene Faden bricht, dann wird im Zuge eines Anspinnvorganges das Ende eines bereits gesponnenen Fadens durch das Luftdüsenaggregat hindurch entgegen der betriebsmäßigen Transportrichtung in das Streckwerk zurückgeführt. Hierfür ist im spindelartigen Bauteil ein Injektionskanal vorgesehen, der mit einer Mündung an den Fadenabzugskanal angeschlossen und gegen dessen Einlassöffnung gerichtet ist. Wenn dieser Injektionskanal an eine Druckluftquelle angeschlossen wird, entsteht im Fadenabzugskanal eine gegen das Streckwerk gerichtete Saugströmung, mit deren Hilfe das bereits ersponnene Fadenende zum Streckwerk zurück transportiert werden kann. Der nur in der Figur 10 der genannten Druckschrift dargestellte und beschriebene Injektionskanal ist sich verjüngend ausgebildet und durch das spindelartige Bauteil hindurch schräg gegen den Fadenabzugskanal gerichtet. Es ist in der bekannten Druckschrift nicht offenbart, wie der Injektionskanal bei praktischen Vorrichtungen hergestellt wird.If, for any reason, the fiber ribbon or the spun thread breaks in the known device, then in the course of a piecing process the end of an already spun thread becomes counter to the operational one through the air nozzle unit Direction of transport returned to the drafting system. For this purpose, an injection channel is provided in the spindle-like component, which is connected with an opening to the thread take-off channel and is directed against its inlet opening. If this injection channel is connected to a compressed air source, a suction flow directed against the drafting system is created in the thread draw-off channel, with the aid of which the thread already spun can be transported back to the drafting system. The injection channel shown and described only in FIG. 10 of the cited document is tapered and is directed obliquely through the spindle-like component against the thread take-off channel. It is not disclosed in the known publication how the injection channel is produced in practical devices.
Der Erfindung liegt die Aufgabe zu Grunde, bei einer Vorrichtung der eingangs genannten Art günstige Voraussetzungen zu schaffen, dass ein solcher Injektionskanal auf einfache und kostengünstige Weise hergestellt werden kann.The object of the invention is to create favorable conditions for a device of the type mentioned at the outset that such an injection channel can be produced in a simple and inexpensive manner.
Die Aufgabe wird dadurch gelöst, dass an dem spindelartigen Bauteil eine die Einlassöffnung des Fadenabzugskanals enthaltende gesonderte Spindelspitze angeordnet ist, die den Injektionskanal enthält.The object is achieved in that a separate spindle tip containing the injection channel and containing the inlet opening of the thread take-off channel is arranged on the spindle-like component.
Dadurch, dass an dem spindelartigen stationären Bauteil eine gesonderte Spindelspitze angeordnet ist, ist es nicht mehr erforderlich, an dem an sich schon komplizierten spindelartigen Bauteil eine schräge Druckluftbohrung anzubringen. Vielmehr kann die an dem jetzt mehrteiligen spindelartigen Bauteil gesondert angeordnete Spindelspitze so gestaltet werden, dass der Injektionskanal auf einfache Weise herstellbar und an eine Druckluftquelle anschließbar ist.Due to the fact that a separate spindle tip is arranged on the spindle-like stationary component, it is no longer necessary to make an oblique compressed air hole on the already complicated spindle-like component. Rather, the spindle tip, which is arranged separately on the now multi-part spindle-like component, can be designed in such a way that the injection channel can be produced in a simple manner and connected to a compressed air source.
Obwohl die Spindelspitze an dem spindelartigen Bauteil durchaus beliebig befestigt und beispielsweise angeklebt sein kann, ist in weiterer Ausgestaltung der Erfindung vorgesehen, dass die Spindelspitze leicht auswechselbar in das spindelartige Bauteil eingesetzt ist und beispielsweise mittels eines O-Ringes dort fixiert wird. Der Injektionskanal lässt sich an der Spindelspitze so anbringen, dass er an seinem der Mündung abgewandten Ende an einer im Wesentlichen senkrecht zum Injektionskanal angeordneten Begrenzungsfläche der Spindelspitze beginnt. Dadurch lässt sich selbst dann, wenn der Injektionskanal schräg zum Fadenabzugskanal verläuft, eine dünne Bohrung senkrecht zu einer Bearbeitungsfläche anbringen.Although the spindle tip can be attached to the spindle-like component as desired and glued on, for example, it is provided in a further embodiment of the invention that the spindle tip is inserted into the spindle-like component in an easily replaceable manner and is fixed there, for example by means of an O-ring. The injection channel can be attached to the spindle tip in such a way that it begins at its end facing away from the mouth on a boundary surface of the spindle tip arranged essentially perpendicular to the injection channel. As a result, even if the injection channel runs at an angle to the thread take-off channel, a thin hole can be drilled perpendicular to a processing surface.
Die Erfindung lässt sich weiter dadurch ausgestalten, dass der Injektionskanal an seinem der Mündung abgewandten Ende außerhalb der Spindelspitze im spindelartigen Bauteil mit einem Anschlusskanal fortgesetzt wird, der mit der Druckluftquelle verbindbar ist. Bei einer solchen Ausgestaltung lässt es sich einrichten, dass der im spindelartigen Bauteil zu bohrende Anschlusskanal parallel zum Fadenabzugskanal verläuft. Der Anschlusskanal kann dann an einer Stirnfläche einer Ausnehmung für die Spindelspitze münden.The invention can be further developed in that the injection channel at its end facing away from the mouth outside the spindle tip in the spindle-like component with a Connection channel is continued, which can be connected to the compressed air source. With such a configuration, it can be set up that the connection channel to be drilled in the spindle-like component runs parallel to the thread take-off channel. The connection channel can then open at an end face of a recess for the spindle tip.
Die Erfindung betrifft ferner für die beschriebene Vorrichtung eine Spindelspitze, die dadurch gekennzeichnet ist, dass sie den Anfangsteil und eine Einlassöffnung eines Fadenabzugskanals enthält, der über eine Mündung mit einem gegen die Einlassöffnung gerichteten Injektionskanal verbunden ist. Es soll somit neben der beschriebenen Vorrichtung auch die Spindelspitze selbst mit geschützt sein.The invention further relates to a spindle tip for the device described, which is characterized in that it contains the initial part and an inlet opening of a thread take-off channel, which is connected via an opening to an injection channel directed against the inlet opening. Thus, in addition to the device described, the spindle tip itself should also be protected.
Die Spindelspitze kann an ihrem der Einlassöffnung abgewandten Endbereich eine zylindrische Führungsfläche aufweisen, die in eine entsprechend geformte hohizylindrische Ausnehmung eines spindelartigen Bauteils einsetzbar ist. Die genannte zylindrische Führungsfläche kann dabei an einer Stirnfläche enden.At its end area facing away from the inlet opening, the spindle tip can have a cylindrical guide surface which can be inserted into a correspondingly shaped hollow cylindrical recess in a spindle-like component. Said cylindrical guide surface can end on an end surface.
Weiterhin kann vorgesehen sein, dass am Übergangsbereich zwischen der zylindrischen Führungsfläche und der Stirnfläche der Spindelspitze eine Fase oder dergleichen vorgesehen ist, an der das der Mündung abgewandte Ende des Injektionskanals beginnt.Furthermore, it can be provided that a chamfer or the like is provided at the transition region between the cylindrical guide surface and the end face of the spindle tip, at which the end of the injection channel facing away from the mouth begins.
Eine gesondert in das stationäre spindelartige Bauteil eingesetzte Spindelspitze ist auch dann sinnvoll, wenn sie keinen Injektionskanal enthält, da eine solche Spindelspitze als ein Spinnmittel angesehen werden kann, mit welchem der Charakter des ersponnenen Fadens geändert werden kann. Beispielsweise lässt sich die Spindelspitze mehr oder weniger an den Zuführkanal heranführen, wodurch sich ein Faden mit größerer oder kleinerer Haarigkeit erspinnen lässt.A spindle tip inserted separately into the stationary spindle-like component also makes sense if it does not contain an injection channel, since such a spindle tip can be regarded as a spin agent with which the character of the spun thread can be changed. For example, the tip of the spindle can be more or less brought up to the feed channel, whereby a thread with greater or lesser hairiness can be spun.
Weitere Vorteile und Merkmale der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels.Further advantages and features of the invention result from the following description of an exemplary embodiment.
Es zeigen:Show it:
Figur 1 in vergrößerter Darstellung einen Axialschnitt durch das Luftdüsenaggregat im Bereich des stationären spindelartigen Bauteiles, Figur 2 in noch stärkerer Vergrößerung einen Axialschnitt durch die in das spindelartige Bauteil einsetzbare Spindelspitze.FIG. 1 shows an enlarged axial section through the air nozzle unit in the area of the stationary spindle-like component, Figure 2 in an even greater magnification an axial section through the spindle tip which can be inserted into the spindle-like component.
Die in Figur 1 dargestellte Vorrichtung dient dem Herstellen eines gesponnenen Fadens 1 aus einem Stapelfaserverband 2. Die Vorrichtung enthält als wesentliche Bestandteile ein Streckwerk 3 sowie ein Luftdüsenaggregat 4.The device shown in FIG. 1 is used to produce a spun thread 1 from a staple fiber dressing 2. The essential components include a drafting device 3 and an air nozzle unit 4.
Der zu verspinnende Stapelfaserverband 2 wird dem Streckwerk 3 in Zulieferrichtung A zugeführt und als ersponnener Faden 1 in Abzugsrichtung B abgezogen und an eine nicht dargestellte Aufspuleinrichtung weitergeleitet.The staple fiber structure 2 to be spun is fed to the drafting device 3 in the direction of delivery A and drawn off as spun thread 1 in the direction of take-off B and passed on to a winding device (not shown).
Das nur teilweise dargestellte Streckwerk 3 ist vorzugsweise ein Drei-Zylinder-Streckwerk und enthält insgesamt drei Walzenpaare, die jeweils eine angetriebene Unterwalze und eine als Druckwalze ausgebildete Oberwalze enthalten. Dargestellt ist lediglich das Lieferwalzenpaar 5,6. In einem solchen Streckwerk 3 wird in bekannter Weise der Stapelfaserverband 2 bis zu einer gewünschten Feinheit verzogen. Im Anschluss an das Streckwerk 3 liegt dann ein dünnes Faserbändchen 7 vor, welches verstreckt, jedoch noch ungedreht ist.The drafting system 3, which is only partially shown, is preferably a three-cylinder drafting system and contains a total of three roller pairs, each of which contains a driven lower roller and an upper roller designed as a pressure roller. Only the pair of delivery rollers 5.6 is shown. In such a drafting system 3, the staple fiber structure 2 is warped to the desired fineness in a known manner. Following the drafting system 3, there is then a thin fiber ribbon 7, which is stretched but still untwisted.
Dem Luftdüsenaggregat 4 wird das Faserbändchen 7 über einen Zuführkanal 8 zugeführt. Es folgt eine so genannte Wirbelkammer 9, in welcher dem Faserbändchen 7 die Spinndrehung erteilt wird, so dass der gesponnene Faden 1 entsteht, der durch einen Fadenabzugskanal 10 abgezogen wird. Eine Fluideinrichtung erzeugt in der Wirbelkammer 9 durch Einblasen von Druckluft durch tangential in die Wirbelkammer 9 mündende Druckluftdüsen 11 eine Wirbelströmung. Die aus den Düsenöffnungen austretende Druckluft wird durch einen Abluftkanal 12 abgeführt, wobei dieser einen ringförmigen Querschnitt um ein spindelartiges stationäres Bauteil 13 herum aufweist, welches den Fadenabzugskanal 10 enthält.The fiber ribbon 7 is fed to the air nozzle unit 4 via a feed channel 8. A so-called swirl chamber 9 follows, in which the fiber ribbon 7 is given the spinning twist, so that the spun thread 1 is produced, which is drawn off through a thread take-off channel 10. A fluid device generates a vortex flow in the vortex chamber 9 by blowing compressed air through tangential air nozzles 11 opening tangentially into the vortex chamber 9. The compressed air emerging from the nozzle openings is discharged through an exhaust air duct 12, which has an annular cross section around a spindle-like stationary component 13 which contains the thread take-off duct 10.
Im Bereich der Wirbelkammer 9 ist als Drallsperre eine Kante einer Faserführungsfläche 14 angeordnet, die leicht exzentrisch zum Fadenabzugskanal 10 im Bereich von dessen Einlassöffnung 15 angeordnet ist.In the area of the swirl chamber 9, an edge of a fiber guide surface 14 is arranged as a twist lock, which is arranged slightly eccentrically to the thread take-off channel 10 in the area of its inlet opening 15.
In der Vorrichtung werden die zu verspinnenden Fasern einerseits im Faserbändchen 7 gehalten und so vom Zuführkanal 8 im Wesentlichen ohne Drehungserteilung in den Fadenabzugskanal 10 geführt. Andererseits sind die Fasern aber in dem Bereich zwischen dem Zuführkanal 8 und dem Fadenabzugskanal 10 der Wirkung der Wirbelströmung ausgesetzt, durch die sie oder mindestens ihre Endbereiche von der Einlassöffnung 15 des Fadenabzugskanals 10 radial weggetrieben werden. Die mit dem beschriebenen Verfahren hergestellten Fäden 1 zeigen dadurch einen Kern von im Wesentlichen in Fadenlängsrichtung verlaufenden Fasern oder Faserbereichen ohne wesentliche Drehung und einen äußeren Bereich, in welchem die Fasern oder Faserbereiche um den Kern herum gedreht sind.In the device, the fibers to be spun are held on the one hand in the fiber ribbon 7 and thus guided from the feed channel 8 into the thread take-off channel 10 essentially without imparting rotation. On the other hand, the fibers in the area between the feed channel 8 and the thread take-off channel 10 are exposed to the effect of the vortex flow, through which they or at least their end regions are driven radially away from the inlet opening 15 of the thread take-off channel 10. The threads 1 produced with the described method thereby show a core of fibers or fiber regions running essentially in the longitudinal direction of the thread without substantial rotation and an outer region in which the fibers or fiber regions are rotated around the core.
Eine Vorrichtung dieser Art erlaubt besonders hohe Spinngeschwindigkeiten, die in der Größenordnung von 600 m pro Minute liegen können.A device of this type allows particularly high spinning speeds, which can be in the order of 600 m per minute.
Wenn aus irgendeinem Grund das noch sehr schwache ungedrehte Faserbändchen 7 oder der ersponnene Faden 1 bricht, findet anschließend ein Anspinnvorgang statt, bei welchem das Ende des ersponnenen Fadens 1 entgegen der Abzugsrichtung B zum Streckwerk 3 zurückgeführt wird. Hierfür ist als Hilfsmittel ein Injektionskanal 16 vorgesehen, der an eine Druckluftquelle 17 anschließbar ist und dessen Mündung 18 an den Fadenabzugskanal 10 angeschlossen und gegen dessen Einlassöffnung 15 gerichtet ist. Dadurch lässt sich im Fadenabzugskanal 10 ein gegen das Streckwerk 3 gerichteter Saugluftstrom erreichen, der das Ende des ersponnenen Fadens 1 zum Lieferwalzenpaar 5,6 zurückführt.If for some reason the still very weak untwisted fiber ribbon 7 or the spun thread 1 breaks, then a piecing process takes place, in which the end of the spun thread 1 is returned to the drafting device 3 against the take-off direction B. For this purpose, an injection channel 16 is provided as an aid, which can be connected to a compressed air source 17 and whose mouth 18 is connected to the thread take-off channel 10 and is directed against its inlet opening 15. In this way, a suction air flow directed against the drafting device 3 can be achieved in the thread take-off channel 10, which returns the end of the spun thread 1 to the delivery roller pair 5, 6.
Da es nicht ganz einfach ist, den einen nur kleinen Durchmesser aufweisenden Injektionskanal 16 schräg zum Fadenabzugskanal 10 gerichtet im spindelartigen Bauteil 13 anzubringen, ist erfindungsgemäß eine Spindelspitze 19 vorgesehen, die an dem spindelartigen Bauteil 13 « angeordnet ist und eine die Einlassöffnung 15 des Fadenabzugskanals 10 sowie den Injektionskanal 16 enthält. Es sei in diesem Zusammenhang zusätzlich auf die stark vergrößert dargestellte Figur 2 verwiesen. Man erkennt hier die separat dargestellte Spindelspitze 19 mit dem Injektionskanal 16, der mit seiner Mündung 18 gegen die Einlassöffnung 15 gerichtet ist.Since it is not very easy to install the injection channel 16, which has a small diameter, at an angle to the thread take-off channel 10 in the spindle-like component 13, a spindle tip 19 is provided according to the invention, which is arranged on the spindle-like component 13 'and an the inlet opening 15 of the thread take-off channel 10 and contains the injection channel 16. In this connection, reference is also made to FIG. 2, shown in a greatly enlarged form. One can see here the separately shown spindle tip 19 with the injection channel 16, which is directed with its mouth 18 against the inlet opening 15.
Die Spindelspitze 19 ist leicht auswechselbar in das spindelartige Bauteil 13 eingesetzt und mittels eines O-Ringes 20 dort fixiert.The spindle tip 19 is easily replaceable in the spindle-like component 13 and fixed there by means of an O-ring 20.
Der Injektionskanal 16 beginnt mit seinem der Mündung 18 abgewandten Ende 21 an einer im Wesentlichen senkrecht zum Injektionskanal 16 angeordneten Begrenzungsfläche 22 der Spindelspitze 19. Dadurch lässt sich der Injektionskanal 16 leicht im spindelartigen Bauteil 13 durch eine Bohrung anbringen, auch wenn diese schräg zum Fadenabzugskanal 10 verläuft. An seinem der Mündung 18 abgewandten Ende 21 ist der Injektionskanal 16 außerhalb der Spindelspitze im spindelartigen Bauteil 13 mit einem Anschlusskanal 23 fortgesetzt, welcher seinerseits bei Bedarf mit der Druckluftquelle 17 verbindbar ist. Dadurch, dass sich zwischen dem Injektionskanal 16 und dem Anschlusskanal 23 auf diese Weise eine Trennfuge ergibt, brauchen beide Kanäle nicht unter einem gleichen Winkel geneigt zu sein. Der Anschlusskanal 23 kann daher parallel zum Fadenabzugskanal 10 verlaufen, was sich wesentlich einfacher herstellen lässt, als dies beim Stand der Technik der Fall war. Der Anschlusskanal 23 kann dabei an einer Stirnfläche 24 einer Ausnehmung 25 für die Spindelspitze 19 münden.The injection channel 16 begins with its end 21 facing away from the mouth 18 on a boundary surface 22 of the spindle tip 19 which is arranged essentially perpendicular to the injection channel 16. As a result, the injection channel 16 can easily be made in the spindle-like component 13 through a bore, even if it is oblique to the thread take-off channel 10 runs. At its end 21 facing away from the mouth 18, the injection channel 16 is continued outside the spindle tip in the spindle-like component 13 with a connecting channel 23, which in turn can be connected to the compressed air source 17 if required. The fact that a separating joint results in this way between the injection channel 16 and the connecting channel 23 means that both channels need not be inclined at the same angle. The connection channel 23 can therefore run parallel to the thread take-off channel 10, which is much easier to manufacture than was the case in the prior art. The connection channel 23 can open at an end face 24 of a recess 25 for the spindle tip 19.
Wie aus den Figuren 1 und 2 ersichtlich, enthält die Spindelspitze 19 den Anfangsteil 26 und die Einlassöffnung 15 des Fadenabzugskanals 10. In diesen Anfangsteil 26 mündet der Injektionskanal 16 mit seiner Mündung 18. Der Anfangsteil 26 gehört somit zum Fadenabzugskanal 10 und ist mit diesem koaxial.As can be seen from FIGS. 1 and 2, the spindle tip 19 contains the start part 26 and the inlet opening 15 of the thread take-off channel 10. The injection channel 16 opens into this start part 26 with its mouth 18. The start part 26 thus belongs to the thread take-off channel 10 and is coaxial with it ,
Die Spindelspitze 19 weist an ihrem der Einlassöffnung 15 abgewandten Endbereich 27 außen eine zylindrische Führungsfläche 28 auf, die in eine entsprechend geformte hohizylindrische Ausnehmung 25 des spindelartigen Bauteils 13 einsetzbar ist. Die zylindrische Führungsfläche 28 endet an einer Stirnfläche 29.At its end region 27 facing away from the inlet opening 15, the spindle tip 19 has a cylindrical guide surface 28 on the outside, which can be inserted into a correspondingly shaped hollow cylindrical recess 25 of the spindle-like component 13. The cylindrical guide surface 28 ends at an end surface 29.
Am Übergangsbereich 30 zwischen der zylindrischen Führungsfläche 28 und der Stirnfläche 29 ist eine Fase 31 oder dergleichen vorgesehen, an der das der Mündung 18 abgewandte Ende 21 des Injektionskanals 16 beginnt. At the transition area 30 between the cylindrical guide surface 28 and the end face 29, a chamfer 31 or the like is provided, at which the end 21 of the injection channel 16 facing away from the mouth 18 begins.

Claims

Patentansprüche claims
1. Vorrichtung zum Herstellen eines gesponnenen Fadens aus einem Stapelfaserverband, mit einem Zuführkanal zum Zuführen des Stapelfaserverbandes, mit einem eine Einlassöffnung aufweisenden Fadenabzugskanal, der in einem stationären spindelartigen Bauteil angeordnet ist, mit einer Fluideinrichtung zum Erzeugen einer Wirbelströmung um die Einlassöffnung des Fadenabzugskanals, mit einem das spindelartige Bauteil ringförmig umgebenden Abluftkanal sowie mit einem mit einer Mündung an den Fadenabzugskanal angeschlossenen, gegen dessen Einlassöffnung gerichteten, an eine Druckluftquelle anschließbaren Injektionskanal, dadurch gekennzeichnet, dass an dem spindelartigen Bauteil (13) eine die Einlassöffnung (15) des Fadenabzugskanals (10) enthaltende gesonderte Spindelspitze (19) angeordnet ist, die den Injektionskanal (16) enthält.1. Device for producing a spun thread from a staple fiber dressing, with a feed channel for feeding the staple fiber dressing, with a thread take-off channel having an inlet opening, which is arranged in a stationary spindle-like component, with a fluid device for generating a vortex flow around the inlet opening of the thread take-off channel an exhaust air duct which surrounds the spindle-like component and an injection duct which is connected to the thread take-off duct with an opening and directed towards its inlet opening and can be connected to a compressed air source, characterized in that on the spindle-like component (13) there is an inlet opening (15) of the thread take-off duct (10 ) containing separate spindle tip (19) is arranged, which contains the injection channel (16).
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Spindelspitze (19) leicht auswechselbar in das spindelartige Bauteil (13) angesetzt ist.2. Device according to claim 1, characterized in that the spindle tip (19) is easily replaceable in the spindle-like component (13).
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Spindelspitze (19) mittels eines O-Ringes (20) im spindelartigen Bauteil (13) fixiert ist.3. Device according to claim 2, characterized in that the spindle tip (19) is fixed in the spindle-like component (13) by means of an O-ring (20).
4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Injektionskanal (16) an seinem der Mündung (18) abgewandten Ende (21) an einer im Wesentlichen senkrecht zum Injektionskanal (16) angeordneten Begrenzungsfläche (22) der Spindelspitze (19) beginnt.4. Device according to one of claims 1 to 3, characterized in that the injection channel (16) at its end facing away from the mouth (18) (21) on a substantially perpendicular to the injection channel (16) arranged boundary surface (22) of the spindle tip ( 19) begins.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Injektionskanal (16) an seinem der Mündung (18) abgewandten Ende (21) außerhalb der Spindelspitze (19) im spindelartigen Bauteil (13) mit einem Anschlusskanal (23) fortgesetzt ist, der mit der Druckluftquelle (17) verbindbar ist.5. Device according to one of claims 1 to 4, characterized in that the injection channel (16) at its end facing away from the mouth (18) (21) outside the spindle tip (19) in the spindle-like component (13) with a connection channel (23) is continued, which can be connected to the compressed air source (17).
6. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Anschlusskanal (23) parallel zum Fadenabzugskanal (10) verläuft.6. The device according to claim 6, characterized in that the connecting channel (23) runs parallel to the thread take-off channel (10).
7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Anschlusskanal (23) an einer Stirnfläche (24) einer Ausnehmung (25) für die Spindelspitze (19) mündet. 7. The device according to claim 6, characterized in that the connecting channel (23) opens on an end face (24) of a recess (25) for the spindle tip (19).
8. Spindelspitze für eine Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie den Anfangsteil (26) und eine Einlassöffnung (15) eines Fadenabzugskanals (10) enthält, der über eine Mündung (18) mit einem gegen die Einlassöffnung (15) gerichteten Injektionskanal (16) verbunden ist.8. Spindle tip for a device according to one of the preceding claims, characterized in that it contains the starting part (26) and an inlet opening (15) of a thread take-off channel (10) which, via an opening (18) with a counter to the inlet opening (15) directed injection channel (16) is connected.
9. Spindelspitze nach Anspruch 8, dadurch gekennzeichnet, dass sie an ihrem der Einlassöffnung (15) abgewanden Endbereich (27) eine zylindrische Führungsfläche (28) aufweist, die in eine entsprechend geformte hohizylindrische Ausnehmung (25) eines spindelartigen Bauteiles (13) einsetzbar ist.9. Spindle tip according to claim 8, characterized in that it has at its end region (27) facing away from the inlet opening (27) a cylindrical guide surface (28) which can be inserted into a correspondingly shaped hollow cylindrical recess (25) of a spindle-like component (13) ,
10. Spindelspitze nach Anspruch 9 dadurch gekennzeichnet, dass die zylindrische Führungsfläche (28) an einer Stirnfläche (29) endet.10. Spindle tip according to claim 9, characterized in that the cylindrical guide surface (28) ends on an end face (29).
11. Spindelspitze nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass am Übergangsbereich (30) zwischen der zylindrischen Führungsfläche (28) und der Stirnfläche (29) eine Fase (31) oder dergleichen vorgesehen ist, an der das der Mündung (18) abgewandte Ende (21) des Injektionskanals (16) beginnt. 11. Spindle tip according to claim 9 or 10, characterized in that a bevel (31) or the like is provided on the transition region (30) between the cylindrical guide surface (28) and the end face (29), on which the mouth (18) facing away End (21) of the injection channel (16) begins.
PCT/EP2004/006874 2003-07-15 2004-06-25 Device for producing spun thread from staple fibre assembly WO2005007948A1 (en)

Priority Applications (3)

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JP2006519792A JP2009513836A (en) 2003-07-15 2004-06-25 Apparatus for producing spun yarn from staple fiber strands
DE502004011001T DE502004011001D1 (en) 2003-07-15 2004-06-25 DEVICE FOR MANUFACTURING A WRAPPED THREAD FROM A STAPLE FIBER ASSORTMENT
EP04740286A EP1644561B1 (en) 2003-07-15 2004-06-25 Device for producing spun thread from staple fibre assembly

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DE2003133411 DE10333411A1 (en) 2003-07-15 2003-07-15 Apparatus for producing a spun yarn from a staple fiber strand
DE10333411.4 2003-07-15

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1845180A2 (en) * 2006-04-13 2007-10-17 Maschinenfabrik Rieter Ag Spindle shaped component for an air jet spinning device with an injection channel
DE102007009074A1 (en) 2007-02-24 2008-08-28 Oerlikon Textile Gmbh & Co. Kg spinning device
CN103014943A (en) * 2011-09-21 2013-04-03 里特机械公司 Spinning tip for a hollow spindle of an air jet spinning machine
EP3012362A3 (en) * 2014-09-30 2016-07-27 Murata Machinery, Ltd. Hollow guide shaft, air-jet spinning device, and textile machinery

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007006674A1 (en) * 2007-02-10 2008-08-14 Oerlikon Textile Gmbh & Co. Kg Air spinning device
WO2011006270A2 (en) * 2009-07-16 2011-01-20 Maschinenfabrik Rieter Ag Air-jet spinning apparatus
DE102009034206A1 (en) 2009-07-17 2011-01-27 Maschinenfabrik Rieter Ag Component for an air jet spinning device
DE102011053810A1 (en) * 2011-09-21 2013-05-16 Maschinenfabrik Rieter Ag Garnbildungselement for a spinning station of an air-spinning machine and method for preparing a piecing operation on an air-spinning machine
DE102012100674A1 (en) 2012-01-27 2013-08-01 Maschinenfabrik Rieter Ag Air-jet spinning machine with a cleaning member and method for cleaning the swirl chamber of an air-jet spinning machine
DE102012110315A1 (en) * 2012-10-29 2014-04-30 Maschinenfabrik Rieter Ag Garnbildungselement for an air-spinning machine with an insert and spinneret equipped therewith
CN103774305B (en) * 2014-01-07 2016-01-20 太仓市世博纺织配件有限公司 The quick-change mechanism of twist arrester on a kind of elasticizer
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DE102014112360A1 (en) * 2014-08-28 2016-03-03 Maschinenfabrik Rieter Ag Garnbildungselement for a spinneret of an air spinning machine, air-jet spinning machine and method for operating such
CN105568455B (en) * 2016-03-09 2018-03-27 苏州华策纺织科技有限公司 One kind broken string automatic connector
DE102016116693A1 (en) 2016-09-07 2018-03-08 Maschinenfabrik Rieter Ag Garnbildungselement and spinneret for an air-spinning machine
DE102016118858A1 (en) * 2016-10-05 2018-04-05 Maschinenfabrik Rieter Ag Fiber guiding element for a spinneret of an air-spinning machine and method for operating an air-jet spinning machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0787843A1 (en) * 1996-01-30 1997-08-06 Murata Kikai Kabushiki Kaisha Piecing method for a spinning machine
JP2001295143A (en) * 2000-04-10 2001-10-26 Murata Mach Ltd Spinning device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1200155C (en) * 2002-07-10 2005-05-04 东华大学 Complex twisting device for air-jet eddy-current spinning

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0787843A1 (en) * 1996-01-30 1997-08-06 Murata Kikai Kabushiki Kaisha Piecing method for a spinning machine
JP2001295143A (en) * 2000-04-10 2001-10-26 Murata Mach Ltd Spinning device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 02 2 April 2002 (2002-04-02) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1845180A2 (en) * 2006-04-13 2007-10-17 Maschinenfabrik Rieter Ag Spindle shaped component for an air jet spinning device with an injection channel
JP2007284861A (en) * 2006-04-13 2007-11-01 Mas Fab Rieter Ag Spindle shaped element for air jet spinning device having injection pathway
EP1845180A3 (en) * 2006-04-13 2008-05-28 Maschinenfabrik Rieter Ag Spindle shaped component for an air jet spinning device with an injection channel
DE102007009074A1 (en) 2007-02-24 2008-08-28 Oerlikon Textile Gmbh & Co. Kg spinning device
CN103014943A (en) * 2011-09-21 2013-04-03 里特机械公司 Spinning tip for a hollow spindle of an air jet spinning machine
EP3012362A3 (en) * 2014-09-30 2016-07-27 Murata Machinery, Ltd. Hollow guide shaft, air-jet spinning device, and textile machinery
EP3156526A1 (en) * 2014-09-30 2017-04-19 Murata Machinery, Ltd. Hollow guide shaft, air-jet spinning device, and textile machinery

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CN1823186A (en) 2006-08-23
EP1644561B1 (en) 2010-04-07
DE10333411A1 (en) 2005-02-03
EP1644561A1 (en) 2006-04-12
CN100519853C (en) 2009-07-29
DE502004011001D1 (en) 2010-05-20

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