EP0210393A1 - Verfahren und Vorrichtung zum Offenend-Friktionsspinnen - Google Patents

Verfahren und Vorrichtung zum Offenend-Friktionsspinnen Download PDF

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Publication number
EP0210393A1
EP0210393A1 EP86107984A EP86107984A EP0210393A1 EP 0210393 A1 EP0210393 A1 EP 0210393A1 EP 86107984 A EP86107984 A EP 86107984A EP 86107984 A EP86107984 A EP 86107984A EP 0210393 A1 EP0210393 A1 EP 0210393A1
Authority
EP
European Patent Office
Prior art keywords
suction
yarn
spinning
length
zone
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.)
Ceased
Application number
EP86107984A
Other languages
German (de)
English (en)
French (fr)
Inventor
Werner Dipl.-Ing. Billner
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
Schubert und Salzer Maschinenfabrik 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 Schubert und Salzer Maschinenfabrik AG filed Critical Schubert und Salzer Maschinenfabrik AG
Publication of EP0210393A1 publication Critical patent/EP0210393A1/de
Ceased 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
    • D01H4/04—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
    • D01H4/16—Friction spinning, i.e. the running surface being provided by a pair of closely spaced friction drums, e.g. at least one suction drum

Definitions

  • the invention relates to a method for open-end friction spinning, in which fibers are twisted into a yarn in a spinning gusset formed by two closely arranged and co-driven friction rollers along a suction slot extending over a fiber feed zone and an adjoining swirl zone, and the yarn from the spinning gusset is withdrawn, and a device for performing the method.
  • the yarn formation line is perforated at least one of the two friction rollers and is subjected to a vacuum over its entire length by a suction insert.
  • the suction insert has a suction slot which extends along the yarn formation line.
  • Open-end friction spinning lends itself particularly to the production of fine yarns, since the unwinding of the fiber ribbon in the gusset formed by the friction rollers can easily produce high twists for a high delivery speed. However, it has been shown that, especially with fine yarns, the spinning results do not meet expectations in terms of both strength and delivery speed.
  • the object of the invention is to provide a method and a device by means of which the yarn values and also the delivery speeds are improved, in particular for fine yarns.
  • the object is achieved in that the length of the suction opening of the suction slot in the twist zone of the yarn count to be produced is adjusted before the spinning process and then the spinning process is initiated.
  • the length of the suction opening of the suction slot is shortened with increasing yarn count.
  • the device for carrying out the method with two friction rollers forming a spinning gusset and driven in the same direction, at least one of which is perforated and provided with a suction insert which has a suction slot running along a yarn formation line containing a fiber feed zone and a twist zone, is characterized in that the length of the suction slot in the swirl zone can be adjusted in adaptation to the yarn count to be produced by means of a closure element arranged in the suction insert.
  • the closure member is expediently an axially adjustable slide or a rotary slide.
  • the rotary slide valve has slits of graduated length distributed over its circumference and running parallel to the suction slit.
  • the friction roller 1 is designed as a suction roller and has a jacket provided with perforations 10, into which a suction insert 4 is inserted.
  • a suction slot 41 in the suction insert 4 extends in the direction of the axis of rotation of the friction roller 1 and is directed towards the spinning gusset 3.
  • the friction roller 2 has a closed jacket, but it can also be designed like the friction roller 1 as a suction roller.
  • the yarn G is produced in the spinning gusset 3 in a yarn formation line which runs along the suction slot 41 and whose radial position in the spinning gusset 3 depends on the diameter of the yarn to be produced.
  • the fiber material which is dissolved into individual fibers by a disintegration roller in the usual and therefore not shown, is fed into the spinning gusset 3 by means of a fiber feed channel 5 at a length corresponding to the mouth length of the fiber feed channel 5 (FIG. 2).
  • This fiber feed zone A is followed by a twist zone B in which the yarn G is given twist.
  • the fiber material or the fiber ribbon is drawn into the spinning gusset 3 by the suction air stream flowing through the perforated jacket of the friction roller 1 and the suction slit 41 and receives rotation by unrolling.
  • the length F of the suctioned opening of the suction slot 41 is first adapted to the fineness of the yarn to be produced.
  • a tubular slide 6 is arranged in the interior of the suction insert 4 as a closure member for the suction slot 41. Via this slide 6, the suction insert is connected to a sub, not shown, by means of a suction line 42 pressure source connected. As indicated by the double arrow, the slide 6 is adjustable in the axial direction. The slider 6 makes it possible to continuously adjust the effective length F of the suction slit 41 and to set it precisely in accordance with the yarn to be spun before the spinning process begins. After this setting, spinning starts.
  • the maximum available length of the suction opening of the suction slot 41 is reduced by the amount f by the slide 6 in the swirl zone B, so that spinning takes place with an effective suction slot length F.
  • the amount by which the suction length 41 of the suction slot 41 is changed depends not only on the yarn count but also on the spinning conditions and is determined empirically. Basically, however, the length of the suction opening of the suction slot 41 is correspondingly shortened as the yarn count increases, the shortening generally taking place in the twist zone A.
  • a rotary slide 7 is arranged in the suction insert (FIG. 3).
  • 7 slots 71 of graduated length are distributed over the circumference of the rotary slide valve and are arranged parallel to the suction slot 41. A sufficient fine gradation is achieved by a plurality of such slots 71.
  • the slot 71 required for the yarn in question is made to coincide with the suction slot 41, so that the suctioned length F is determined by the length of one of the suction slots 71.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP86107984A 1985-07-30 1986-06-11 Verfahren und Vorrichtung zum Offenend-Friktionsspinnen Ceased EP0210393A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3527212 1985-07-30
DE19853527212 DE3527212A1 (de) 1985-07-30 1985-07-30 Verfahren und vorrichtung zum offenend-friktionsspinnen

Publications (1)

Publication Number Publication Date
EP0210393A1 true EP0210393A1 (de) 1987-02-04

Family

ID=6277135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86107984A Ceased EP0210393A1 (de) 1985-07-30 1986-06-11 Verfahren und Vorrichtung zum Offenend-Friktionsspinnen

Country Status (6)

Country Link
US (1) US4760693A (xx)
EP (1) EP0210393A1 (xx)
JP (1) JPS6228415A (xx)
CN (1) CN1004213B (xx)
BR (1) BR8603189A (xx)
DE (1) DE3527212A1 (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634792C2 (de) * 1986-10-11 1995-11-02 Schlafhorst & Co W Friktionsspinnvorrichtung
IN169975B (xx) * 1986-11-13 1992-01-18 Reiter Ag Maschf

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340825A1 (de) * 1982-12-03 1984-06-07 Textilmaschinenfabrik Dr. Ernst Fehrer Ag, Leonding Vorrichtung zum herstellen eines garnes
DE3316656A1 (de) * 1983-05-06 1984-11-08 Fritz 7347 Bad Überkingen Stahlecker Vorrichtung zum oe-friktionsspinnen
EP0125341A1 (en) * 1980-10-08 1984-11-21 Hollingsworth (U.K.) Limited Friction open end spinning apparatus and method of cleaning same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308249A1 (de) * 1983-03-09 1984-09-13 Fritz 7347 Bad Überkingen Stahlecker Oe-friktionsspinnvorrichtung
DE3321228A1 (de) * 1983-06-11 1984-12-13 Fritz 7347 Bad Überkingen Stahlecker Vorrichtung zum oe-friktionsspinnen
DE3464066D1 (en) * 1983-06-15 1987-07-09 Hollingsworth Uk Ltd Friction open-end spinning apparatus
DE3323988A1 (de) * 1983-07-02 1985-01-03 Fritz 7347 Bad Überkingen Stahlecker Vorrichtung zum oe-friktionsspinnen
DE3331195A1 (de) * 1983-08-30 1985-03-14 Fritz 7347 Bad Überkingen Stahlecker Vorrichtung zum oe-friktionsspinnen
DE3335065A1 (de) * 1983-09-28 1985-04-04 Stahlecker, Fritz, 7347 Bad Überkingen Vorrichtung zum oe-friktionsspinnen
AT383377B (de) * 1984-01-19 1987-06-25 Fehrer Textilmasch Verfahren zum anspinnen eines garnes bei einer friktionsspinnvorrichtung
DE3403964A1 (de) * 1984-02-04 1985-08-08 Fritz 7347 Bad Überkingen Stahlecker Vorrichtung zum oe-friktionsspinnen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0125341A1 (en) * 1980-10-08 1984-11-21 Hollingsworth (U.K.) Limited Friction open end spinning apparatus and method of cleaning same
DE3340825A1 (de) * 1982-12-03 1984-06-07 Textilmaschinenfabrik Dr. Ernst Fehrer Ag, Leonding Vorrichtung zum herstellen eines garnes
DE3316656A1 (de) * 1983-05-06 1984-11-08 Fritz 7347 Bad Überkingen Stahlecker Vorrichtung zum oe-friktionsspinnen

Also Published As

Publication number Publication date
CN86105555A (zh) 1987-02-04
DE3527212A1 (de) 1987-02-12
DE3527212C2 (xx) 1990-01-25
BR8603189A (pt) 1987-02-24
JPH0236688B2 (xx) 1990-08-20
JPS6228415A (ja) 1987-02-06
CN1004213B (zh) 1989-05-17
US4760693A (en) 1988-08-02

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19870701

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18R Application refused

Effective date: 19910909

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BILLNER, WERNER, DIPL.-ING.