WO1979000165A1 - "open end"spinning apparatus - Google Patents

"open end"spinning apparatus Download PDF

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Publication number
WO1979000165A1
WO1979000165A1 PCT/CH1978/000007 CH7800007W WO7900165A1 WO 1979000165 A1 WO1979000165 A1 WO 1979000165A1 CH 7800007 W CH7800007 W CH 7800007W WO 7900165 A1 WO7900165 A1 WO 7900165A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
open
spinning device
end spinning
bore
Prior art date
Application number
PCT/CH1978/000007
Other languages
German (de)
French (fr)
Inventor
M Graf
P Schwengeler
H Stalder
Original Assignee
Rieter Ag Maschf
M Graf
P Schwengeler
H Stalder
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 Rieter Ag Maschf, M Graf, P Schwengeler, H Stalder filed Critical Rieter Ag Maschf
Publication of WO1979000165A1 publication Critical patent/WO1979000165A1/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
    • D01H4/04—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 contact of fibres with a running surface
    • D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor

Definitions

  • the present invention relates to an open-end spinning device with an interchangeable spinning rotor, a feed device for feeding a fiber assembly, a device for dissolving the fibers in individual fibers, a cover containing a thread take-off tube and a fiber feed channel and a part partially in the rotor protruding lid continuation.
  • the object of the invention is now to create a simple and cost-saving device which allows the use of rotors with diameters of different sizes while maintaining the parameters important for spinning technology for yarn production.
  • the drawing shows an open-end spinning rotor with an inserted ⁇ attachment.
  • a fiber feed channel 1 Through a fiber feed channel 1, individual fibers are fed by means of a transport air stream onto a sliding surface 2 of a spinning rotor 4 (shown in phantom) on a rotating shaft 3. The fibers slide along the sliding surface 2 into the fiber collecting channel 5 in the largest rotor inner diameter D1 and are twisted together into a thread and drawn out of the rotor 4 through the thread draw-off tube 6 which is concentric to the rotor shaft 3.
  • the ring 11 which sits snugly and without transition on the lid extension 10 and is fastened by means of a locking screw 13, the optimal spinning conditions are restored.
  • the ring 11 has a bore 12, the axis of which can run parallel or substantially parallel to the plane of rotation of the rotor.
  • the diameter of the bore 12 is larger than that of the fiber feed channel 1 at its end 9.
  • the bore 12 can also have a different cross-section, for example a rectangular cross-section.
  • the fiber / air stream undergoes formation by this initial and arrangement of the hole 12 corresponds to a slight 'deflection in the direction of the plane of rotation of the rotor 7, whereby the impingement of the fibers on the sliding surface 8 of the rotor 7 that on the sliding surface 2 of the rotor. 4
  • the enlargement of the cross section of the fiber feed channel 1 in the bore 12 also results in a desired distribution of the fed fibers near the sliding surface 8

Landscapes

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

Abstract

In the "open end" spinning apparatus, the cover comprises, on the open side of the rotor (4, 7) one central flange (10) traversed over by, on the one hand, the output conduit (6) of the yam and, on the other hand, the supply conduit (1) of the fibers. An interchangeable ring (11) surrounds the cover flange enabling to adapt the flange to rotors having bigger diameters.

Description

Offenend-Spinnvorrichtung Open-end spinning device
Die vorliegende Erfindung betrifft eine Offenend-Spinnvor¬ richtung mit einem auswechselbaren Spinnrotor, einer Speise¬ vorrichtung zum Zuführen eines Faserverbandes, einer Vor¬ richtung zur Auflösung der Fasern in Einzelfasern, einem ein Fadenabzugsrohr und einen Faserspeisekanal enthaltenden Deckel und einem, teilweise in den Rotor ragenden Deckel¬ fortsatz.The present invention relates to an open-end spinning device with an interchangeable spinning rotor, a feed device for feeding a fiber assembly, a device for dissolving the fibers in individual fibers, a cover containing a thread take-off tube and a fiber feed channel and a part partially in the rotor protruding lid continuation.
Damit ein Offenend-Garn von guter Qualität hergestellt werden kann, müssen gewisse Randbedingungen bei der gegen¬ seitigen Anordnung und der Dimensionierung des Rotors, des Speisekanals und des den Rotor schliessenden Deckels er¬ füllt werden.In order that an open-end yarn of good quality can be produced, certain boundary conditions have to be met in the mutual arrangement and dimensioning of the rotor, the feed channel and the cover closing the rotor.
-Mit einer Spinnvorrichtung, die optimal ausgelegt ist, lassen sich nur Fasern verarbeiten, deren mittlere Stapel¬ länge innerhalb eines verhältnismässig kleinen Bereiches liegt.With a spinning device that is optimally designed, only fibers can be processed whose average stack length is within a relatively small range.
Um auch Fasern z.B. mit grösserer Stapellänge zu einem Garn entsprechender Qualität verspinnen zu können,"" ist es er¬ forderlich, einen Rotor mit grösserem Durchmesser in die Spinnvorrichtung einzusetzen. Durch diese Massnahme werden jedoch die Faserspeisung und der Lufthaushalt wegen desIn order to be able to also spin fibers with a greater staple length to a yarn of appropriate quality, "" it is necessary to insert a rotor with a larger diameter into the spinning device. By this measure, however, the fiber feed and the air balance due to the
O PI sich ergebenden grösseren Abstandes zwischen dem Rotorrand und dem in den Rotor ragenden, den Faserspeisekanal und den Fadenabzugskanal aufnehmenden Teil des Rotordeckels der- massen geändert, dass sich kein brauchbares Garn mehr herstellen lässt.O PI The resulting greater distance between the rotor edge and the part of the rotor cover protruding into the rotor and receiving the fiber feed channel and the thread take-off channel is changed so much that a usable yarn can no longer be produced.
Dieser Mangel wird bisher dadurch behoben, dass mit dem Rotor auch der ganze die Faserzufuhr und das Fadenabzugs¬ rohr enthaltende Deckel ausgewechselt wird. Diese Massnahme ist jedoch aufwendig und verursacht hohe Kosten, vor allem bei Spinnvorrichtungen, bei denen der Deckel nicht nur den Faserspeisekanal und das Fadenabzugsrohr enthält, son¬ dern noch weitere Teile wie, z.B. die Faserspeise- und Faserauflösewalze.This deficiency has so far been remedied by replacing the entire cover containing the fiber feed and the thread draw-off tube with the rotor. However, this measure is complex and causes high costs, especially in the case of spinning devices in which the cover not only contains the fiber feed channel and the thread take-off tube, but also other parts such as, e.g. the fiber feed and fiber dissolving roller.
Die Erfindung hat nun die Aufgabe, eine einfache und kostensparende Vorrichtung zu schaffen, die die Verwendung von Rotoren mit voneinander verschieden grossen Durchmessern unter Beibehaltung der spinntechnologisch wichtigen Para- eter für die Garnherstellung zulässt.The object of the invention is now to create a simple and cost-saving device which allows the use of rotors with diameters of different sizes while maintaining the parameters important for spinning technology for yarn production.
Diese Aufgabe wird dadurch gelöst, dass am Deckel ein auswechselbarer Aufsatz zum Anpassen des Deckels an den Spinnrotor vorgesehen ist.This object is achieved in that an interchangeable attachment is provided on the cover for adapting the cover to the spinning rotor.
Anhand eines illustrierten Ausführungsbeispieles wird die Erfindung näher erläutert.The invention is explained in more detail with the aid of an illustrated embodiment.
Die Zeichnung zeigt einen Offenend-Spinnrotor mit einge- ■ setztem Aufsatz.The drawing shows an open-end spinning rotor with an inserted ■ attachment.
Durch einen Faserspeisekanal 1 werden vereinzelte Fasern mittels eines Transportluftstromes auf eine Gleitfläche 2 eines auf einer drehenden Welle 3 fliegend aufgesetzten Spinnrotors 4 (strichpunktiert dargestellt) gespeist. Die Fasern gleiten entlang der Gleitfläche 2 in die Faser¬ sammeirinne 5 im grössten Rotorinnendurchmesser Dl und werden zu einem Faden zusammengedreht und durch das kon- zentrisch zur Rotorwelle 3 liegende Fadenabzugsrohr 6 aus dem Rotor 4 abgezogen.Through a fiber feed channel 1, individual fibers are fed by means of a transport air stream onto a sliding surface 2 of a spinning rotor 4 (shown in phantom) on a rotating shaft 3. The fibers slide along the sliding surface 2 into the fiber collecting channel 5 in the largest rotor inner diameter D1 and are twisted together into a thread and drawn out of the rotor 4 through the thread draw-off tube 6 which is concentric to the rotor shaft 3.
Die beim Austausch des Rotors 4 durch einen Rotor 7 mit grösserem Innendurchmesser D2 sich stark vergrössernde freie Flugbahn der Fasern vom Ende 9 des Faserspeisekanals 1 zur Gleitfläche 8 im Rotor 7 und die damit verbundene starke Erweiterung des Luftaustrittsquerschnitts zwischen dem in dem Rotor ragenden Deckelfortsatz 10 und dem offenen Ende des Rotors, werden durch einen auf den Fortsatz 10 aufsteck- baren, als Erweiter ngsring 11 ausgebildeten Aufsatz, kor¬ rigiert.The free flight path of the fibers, which increases greatly when the rotor 4 is replaced by a rotor 7 with a larger inner diameter D2, from the end 9 of the fiber feed channel 1 to the sliding surface 8 in the rotor 7 and the associated widening of the air outlet cross section between the lid extension 10 and projecting in the rotor The open end of the rotor is corrected by an attachment which can be plugged onto the extension 10 and is designed as an extension ring 11.
Mit dem Ring 11, der satt und übergangsfrei auf dem Deckelfortsatz 10 sitzt und mittels einer Feststellschraube 13 befestigt ist, werden die optimalen Spinnbedingungen wieder hergestellt. Der Ring 11 weist als Verlängerung für den Faserspeisekanal 1 eine Bohrung 12 auf, deren Achse parallel oder im wesentlichen parallel zur Drehebene des Rotors verlaufen kann.With the ring 11, which sits snugly and without transition on the lid extension 10 and is fastened by means of a locking screw 13, the optimal spinning conditions are restored. As an extension of the fiber feed channel 1, the ring 11 has a bore 12, the axis of which can run parallel or substantially parallel to the plane of rotation of the rotor.
Der Durchmesser der Bohrung 12 ist grösser als derjenige des Faserspeisekanals 1 an dessen Ende 9. Die Bohrung 12 kann auch einen andersartigen, z.B. rechteckigen Querschnitt aufweisen. Der Faser/Luftstrom erfährt durch diese Aus- bildung und Anordnung der Bohrung 12 eine geringfügige 'Ablenkung in Richtung auf die Drehebene des Rotors 7, wodurch der Auftreffbereich der Fasern an der Gleitfläche 8 des Rotors 7 demjenigen auf der Gleitfläche 2 des Rotors 4 entspricht. Auch tritt durch die Querschnittsvergrösserung des Faserspeisekanals 1 in der Bohrung 12 eine erwünschte Verteilung der eingespeisten Fasern nahe der Gleitfläche 8The diameter of the bore 12 is larger than that of the fiber feed channel 1 at its end 9. The bore 12 can also have a different cross-section, for example a rectangular cross-section. The fiber / air stream undergoes formation by this initial and arrangement of the hole 12 corresponds to a slight 'deflection in the direction of the plane of rotation of the rotor 7, whereby the impingement of the fibers on the sliding surface 8 of the rotor 7 that on the sliding surface 2 of the rotor. 4 The enlargement of the cross section of the fiber feed channel 1 in the bore 12 also results in a desired distribution of the fed fibers near the sliding surface 8
Figure imgf000005_0001
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Figure imgf000005_0001
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Die Vorteile des erfindungsgemässen Aufsatzes liegen auf der Hand:The advantages of the attachment according to the invention are obvious:
100 - einfach und kostensparend in der Herstellung,100 - simple and cost-saving to manufacture,
- schnell und problemlos auswechselbar,- quick and easy to replace,
- einfache Lagerhaltung,- easy storage,
- Einhaltung optimaler gewünschter Spinnbedingungen 105 unabhängig vom Rotordurchmesser. - Compliance with optimal desired spinning conditions 105 regardless of the rotor diameter.

Claims

Patentansprüche: Claims:
1. Offenend-Spinnvorrichtung mit einem auswechselbaren Spinnrotor, einer Speisevorrichtung zum Zuführen eines Faserverbandes, einer Vorrichtung zur Auflösung der1. Open-end spinning device with an interchangeable spinning rotor, a feed device for feeding a fiber structure, a device for dissolving the
Fasern in Einzelfasern, einem ein Fadenabzugsrohr und einen Faserspeisekanal enthaltenden Deckel und einem, teilweise in den Rotor ragenden Deckelfortsatz, dadurch gekennzeichnet, dass am Deckel ein auswechselbarer Aufsatz (11) zum Anpassen des Deckels an den Spinn¬ rotor (7) vorgesehen ist.Fibers in individual fibers, a cover containing a thread take-off tube and a fiber feed channel and a cover extension which partially projects into the rotor, characterized in that an interchangeable attachment (11) is provided on the cover for adapting the cover to the spinning rotor (7).
2. Offenend-Spinnvorrichtung nach Patentanspruch 1, dadurch gekennzeichnet, dass am Deckelfortsatz (10) ein auf- steckbarer Ring (11) als Aufsatz vorgesehen ist.2. Open-end spinning device according to claim 1, characterized in that an attachable ring (11) is provided as an attachment on the lid extension (10).
3. Offenend-Spinnvorrichtung nach Patentanspruch 2, dadurch gekennzeichnet, dass der Ring (11) eine den Fase speisekanal (1) verlängernde Bohrung (12) auf- weist.3. Open-end spinning device according to claim 2, characterized in that the ring (11) has a bevel feed channel (1) extending bore (12).
4. Offenend-Spinnvorrichtung nach Patentanspruch 3, da¬ durch gekennzeichnet, dass die Bohrung (12) einen Durchmesser aufweist, der grösser ist als der Durch- messer des Faserspeisekanals (1) an dessen Austritts- ende (9) .4. Open-end spinning device according to claim 3, characterized in that the bore (12) has a diameter that is larger than the diameter of the fiber feed channel (1) at its outlet end (9).
5. Offenend-Spinnvorrichtung nach Patentanspruch 4, dadurch gekennzeichnet, dass durch die Bohrung (12) eine geringe Ablenkung des FaserStromes erzeugt wird.5. Open-end spinning device according to claim 4, characterized in that a slight deflection of the fiber stream is generated through the bore (12).
6. Offenend-Spinnvorrichtung nach Patentanspruch 3, dadurch gekennzeichnet, dass die Achse der Bohrung (12) parallel zur Drehebene des Rotors (4,7) liegt. 7. Offenend-Spinnvorrichtung nach Patentanspruch 3, dadurch gekennzeichnet, dass die Achse der Bohrung (12) im wesentlichen parallel zur Drehebene des Rotors (4,6. Open-end spinning device according to claim 3, characterized in that the axis of the bore (12) is parallel to the plane of rotation of the rotor (4,7). 7. Open-end spinning device according to claim 3, characterized in that the axis of the bore (12) substantially parallel to the plane of rotation of the rotor (4,
7) liegt.7) lies.
8. Offenend-Spinnvorrichtung nach Patentanspruch 2, dadurch gekennzeichnet, dass Befestigungsmittel (13) für den Ring (11) vorgesehen sind. 8. Open-end spinning device according to claim 2, characterized in that fastening means (13) for the ring (11) are provided.
PCT/CH1978/000007 1977-09-30 1978-07-12 "open end"spinning apparatus WO1979000165A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1195977A CH624718A5 (en) 1977-09-30 1977-09-30
CH11959/77 1977-09-30

Publications (1)

Publication Number Publication Date
WO1979000165A1 true WO1979000165A1 (en) 1979-04-05

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ID=4378514

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1978/000007 WO1979000165A1 (en) 1977-09-30 1978-07-12 "open end"spinning apparatus

Country Status (11)

Country Link
EP (1) EP0006918A1 (en)
AT (1) AT366726B (en)
BE (1) BE870859A (en)
CH (1) CH624718A5 (en)
DE (1) DE7820853U1 (en)
ES (1) ES474251A1 (en)
GB (1) GB2021159B (en)
HK (1) HK5183A (en)
IN (1) IN151743B (en)
IT (1) IT1098647B (en)
WO (1) WO1979000165A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0311988A1 (en) * 1987-10-13 1989-04-19 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Open-end spinning device and method for making the same
WO1994001605A1 (en) * 1992-07-01 1994-01-20 Rieter Ingolstadt Spinnereimaschinenbau Aktiengesellschaft Process and device for open-end spinning
US5778654A (en) * 1995-11-30 1998-07-14 Fritz Stahlecker Adaptor for an open-end spinning device
US6834905B2 (en) 2002-06-10 2004-12-28 Honda Giken Kogyo Kabushiki Kaisha Vehicle windshield

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6039414A (en) * 1983-08-08 1985-03-01 Toyoda Autom Loom Works Ltd Spinning apparatus of rotor-type open-end spinning machine
DE4131665A1 (en) * 1991-09-23 1993-03-25 Rieter Ingolstadt Spinnerei LID FOR A SPINNING BOX OF A ROTOR SPINNING MACHINE
DE4222840B4 (en) * 1992-07-11 2006-06-14 Saurer Gmbh & Co. Kg Open-end spinning device
DE4334485A1 (en) * 1993-10-09 1995-04-13 Schlafhorst & Co W Open-end spinning device
DE19524837B4 (en) * 1995-07-07 2007-02-01 Saurer Gmbh & Co. Kg Fiber channel plate of an open-end spinning device
CN103334187A (en) * 2013-07-25 2013-10-02 上海淳瑞机械科技有限公司 A kind of spinning organ of bleeder rotor spinning machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339007A1 (en) * 1976-01-26 1977-08-19 Mackie & Sons Ltd J FREE FIBER SPINNING

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2339007A1 (en) * 1976-01-26 1977-08-19 Mackie & Sons Ltd J FREE FIBER SPINNING

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0311988A1 (en) * 1987-10-13 1989-04-19 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Open-end spinning device and method for making the same
WO1994001605A1 (en) * 1992-07-01 1994-01-20 Rieter Ingolstadt Spinnereimaschinenbau Aktiengesellschaft Process and device for open-end spinning
US5778654A (en) * 1995-11-30 1998-07-14 Fritz Stahlecker Adaptor for an open-end spinning device
US6834905B2 (en) 2002-06-10 2004-12-28 Honda Giken Kogyo Kabushiki Kaisha Vehicle windshield

Also Published As

Publication number Publication date
ATA532378A (en) 1981-09-15
GB2021159B (en) 1982-06-03
BE870859A (en) 1979-03-28
ES474251A1 (en) 1979-11-01
EP0006918A1 (en) 1980-01-23
DE7820853U1 (en) 1978-11-09
CH624718A5 (en) 1981-08-14
IN151743B (en) 1983-07-16
HK5183A (en) 1983-02-03
AT366726B (en) 1982-05-10
IT1098647B (en) 1985-09-07
GB2021159A (en) 1979-11-28
IT7827659A0 (en) 1978-09-14

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