EP3336227A1 - Auflösewalze für eine rotorspinnmaschine - Google Patents

Auflösewalze für eine rotorspinnmaschine Download PDF

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Publication number
EP3336227A1
EP3336227A1 EP17207227.4A EP17207227A EP3336227A1 EP 3336227 A1 EP3336227 A1 EP 3336227A1 EP 17207227 A EP17207227 A EP 17207227A EP 3336227 A1 EP3336227 A1 EP 3336227A1
Authority
EP
European Patent Office
Prior art keywords
opening roller
teeth
segment
segments
row
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.)
Pending
Application number
EP17207227.4A
Other languages
German (de)
English (en)
French (fr)
Inventor
Lothar Winzen
Jens Geerligs
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Germany GmbH and Co KG
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 Saurer Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG
Publication of EP3336227A1 publication Critical patent/EP3336227A1/de
Pending 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
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/06—Opening or cleaning fibres, e.g. scutching cotton by means of toothed members

Definitions

  • the invention relates to an opening roller for a rotor spinning machine, comprising a sawtooth set with rows of teeth, a rotor spinning machine, comprising such an opening roller and a method for forming such an opening roller.
  • Rotor spinning machines have long been known and usually consist of a plurality of juxtaposed in series, similar jobs. Each of these jobs has a spinning and winding device at which the presented in a sliver can sliver is spun into a yarn and wound into a package.
  • the presented sliver is fed by means of a sliver feed cylinder of the opening roller, which dissolves the sliver in individual fibers with their shege leopardgarnitur and transported to the fiber channel of the spin box.
  • the fiber transport is supported by the negative pressure in the rotor housing, which generates an air flow in the fiber channel, releases the fibers from the rows of teeth of the saw tooth set and conveys them into the rotor via the so-called channel plate adapter.
  • the fibers slip into the collecting groove of the rotor, where they are collected according to the set yarn count, drawn off axially through the draw-off nozzle in the axis of rotation and thus twisted into a yarn and wound onto a package.
  • the opening roller usually comprises a wound on a cylindrical base sawtooth from an endless wire or a solid ground sawtooth with multiple rows of teeth.
  • the DE 197 43 745 A1 discloses an opening roller for an open-end spinning device.
  • the sawtooth set is helical spring-like and made of a technical ceramic material.
  • the sawtooth is arranged either directly or indirectly by means of a carrier element on a rotatably mounted, cylindrical roller body.
  • an opening roller which consists of a plurality on the circumference of the roller body, extending parallel to the axis extending combs made of sintered ceramic. These combs are guided in grooves on the roll body. To prevent the combs from being thrown out and around the ridges in To align the axial direction, the combs are held by cross-annular discs.
  • a first aspect of the present invention therefore relates to an opening roller for a rotor spinning machine comprising a serrated set of teeth.
  • the proposed opening roller is characterized in that the sawtooth comprises annular segments, that a segment is formed at least one row, and that the shege leopardgarnitur has helically arranged rows of teeth.
  • opening rollers can be made flexible and needs-based. Different segments, which have different tooth geometries and / or a different arrangement of the rows of teeth, can thus be combined. Individual segments can also be easily exchanged and replaced by new or different segments. That is, for example, if a single tooth of a row of teeth has a defect or is broken off, not the complete saw tooth set, but only the respective segment must be replaced.
  • a segment is alternatively made either single-row or multi-row. Both variants have advantages; while fewer segments need to be assembled in the multi-row segments to yield the dissolving roller, the single-row segments provide greater flexibility in their combinability and manufacture.
  • the sawtooth in the assembled and ready-to-use state has helically arranged rows of teeth in order to be able to optimally dissolve the fiber sliver presented in individual fibers.
  • the individual Segments arranged on the base body that the teeth of the subsequent segment are partially covered by the teeth of the preceding segment, whereby teeth and tooth gaps on the circumference of the opening roller extend helically.
  • a base body is present, to which the segments can be arranged.
  • the segments are arranged on a cylindrical base body.
  • This main body may be formed with or without grooves for guiding the segments.
  • the opening roller is thus particularly stable and has plane-parallel faces.
  • At least one filler ring is present, which can be arranged so that at least one planar end face of the opening roller can be produced.
  • one or two filling rings can be arranged on the outer sides of the segments, that a flat end side or two plane-parallel end faces is / are obtained.
  • the annular segment is open or closed.
  • annular segment is open, it is particularly easy to arrange, for example, on a base body.
  • a closed ausgestaltetes annular segment however, has a greater dimensional stability.
  • the annular segment is formed with or without step.
  • a step in the annular segment can be positively secured the helical arrangement of the rows of teeth of the sawtooth.
  • the row of teeth can be arranged on the annular segment with or without offset.
  • the rows of teeth may, for example, be arranged on an annular segment with plane-parallel faces with offset to give a helical sawtooth. It is also conceivable, however, a row of teeth without offset on an annular segment, wherein the helical shege leopardgarnitur is achieved later by a corresponding arrangement of the segments.
  • the segments and / or the filler ring are preferably formed of a ceramic material.
  • a ceramic material is particularly wear-resistant, not brittle and thus predestined for such use.
  • the segments and / or the filler ring are made of other materials such as steel.
  • Another aspect of the present invention relates to a rotor spinning machine having a plurality of work stations, each comprising a spinning and winding device.
  • the rotor spinning machine is characterized in that at least one opening roller is formed by an opening roller according to one of the embodiments described above.
  • each individual opening roller can be assembled as needed in terms of possible tooth geometries and tooth arrangement on such a rotor spinning machine.
  • one aspect of the invention relates to a method of forming an opening roller.
  • the opening roller is characterized in that annular segments are arranged to a sawtooth, wherein a segment is formed at least one row, and the shege leopardgarnitur has helically arranged rows of teeth.
  • annular segments are combined with each other, while a segment can be formed single-row or multi-row. It is also conceivable within the scope of the invention that such an annular segment is designed to be open or closed.
  • the segments can either be arranged on a basic body or assembled without such. Regardless of the use of a basic body, annular rings of the saw toothed set can be filled with filling rings in order to obtain one or two planar end faces.
  • the opening roller thus prepared comprises a sheaver garnitur having individual segments and has arranged in a helical rows of teeth, so that the presented sliver can be resolved into individual fibers.
  • FIG. 1 schematically a rotor spinning device 1 is shown.
  • Such rotor spinning devices 1 each have a rotor housing 2, in which the spinning cup of a spinning rotor 3 rotates at high speed.
  • the spinning rotor 3 is supported, for example, with its rotor shaft 4 in the Lagerzwickeln a so-called support disk bearing 5 and is driven by a machine-long tangential belt 6, which is acted upon by a pressure roller 7, frictionally.
  • the axial fixation of the rotor shaft 4 takes place, for example, by a permanent magnetic thrust bearing 18.
  • the rotor housing 2 which is open towards the front, is closed during spinning by a pivotably mounted cover element 8 into which a channel plate is inserted, which rests against the rotor housing 2 with a circumferential lip seal 9.
  • the rotor housing 2 is also connected via a corresponding vacuum line 10 to a vacuum source 11, which generates the necessary spin pressure in the rotor housing 2.
  • a channel plate adapter 12 is interchangeably arranged, which has the mouth region of a Faserleitkanals 14 and a Fadenabzugsdüse 13 according to the invention, to which a thread withdrawal tube 15 is connected.
  • a Faderbandauflough annoying is integrated into the lid member 8, which is mounted rotatably limited about a pivot axis 16.
  • the lid member 8 has an opening roller housing 17 and rear bearing brackets 19, 20 for supporting an opening roller 21 and a sliver feed cylinder 22.
  • the opening roller 21 is thereby driven by a peripheral, machine-long tangential belt 24, which acts on a whorl 23 of the opening roller 21, while the drive of the sliver feed cylinder 22 preferably takes place via a machine-length drive shaft 25.
  • FIG. 2 shows an embodiment in which the respective segment 28 is formed in a single row.
  • the segment 28 is open and designed without a step 34.
  • the segment 28 itself does not have plane-parallel faces.
  • the individual segments 28 are arranged in grooves 33 on a cylindrical base body 30 having plane-parallel end faces. This results in a helical arrangement of the rows of teeth 27 and the sawtooth 26 on the base body 30th
  • FIG. 3 shows an alternative embodiment of the invention.
  • a segment 28 is closed and formed with a step 34.
  • the individual segments 28 are piled up into a complete sawtooth set 26.
  • Two filling rings 31 on the outer sides provide for plane-parallel end faces of the sawtooth 26th
  • FIG. 4 shows a further alternative with step 34.
  • Each segment 28 has two stages to ensure the continuation of the helical rows of teeth 27 of the sawtooth 26.
  • the individual segments 28 are piled up into a complete sawtooth set 26, wherein two filling rings 31 form plane-parallel end faces on the outer sides.
  • FIG. 5 shows a variant in which the individual segment 28 is formed closed and has parallel end faces.
  • the individual teeth of the row of teeth 27 are arranged offset.
  • the individual segments 28 are piled up without main body 30 and without filling rings 31 to form a complete sawtooth set 26, which has plane-parallel end faces.
  • FIG. 6 shows an alternative in which the segment 28 is closed and formed without a step 34.
  • the teeth of the row of teeth 27 also have no offset.
  • Two filling rings 31 provide planarity at the ends.
  • FIG. 7 shows a segment 28, which is formed multi-row, in this example, three rows.
  • the segment 28 is formed closed.
  • the segment 28 has a step 34.
  • only a few segments 28 need to be assembled to obtain a complete saw tooth set.
  • all embodiments described above are also conceivable with multi-row segments 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP17207227.4A 2016-12-16 2017-12-14 Auflösewalze für eine rotorspinnmaschine Pending EP3336227A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016124635.2A DE102016124635A1 (de) 2016-12-16 2016-12-16 Auflösewalze für eine Rotorspinnmaschine

Publications (1)

Publication Number Publication Date
EP3336227A1 true EP3336227A1 (de) 2018-06-20

Family

ID=60673544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17207227.4A Pending EP3336227A1 (de) 2016-12-16 2017-12-14 Auflösewalze für eine rotorspinnmaschine

Country Status (3)

Country Link
EP (1) EP3336227A1 (zh)
CN (2) CN108203850B (zh)
DE (1) DE102016124635A1 (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2355800A1 (de) * 1973-11-08 1975-05-22 Stahlecker Fritz Aufloesewalze fuer offen-end-spinnaggregate
DE3608811A1 (de) * 1986-03-15 1987-09-17 Reiners & Fuerst Aufloesewalze einer offenendspinnmaschine
EP0357569A1 (en) * 1988-09-01 1990-03-07 Marcello Giuliani A stripping roller for drawing fibres to be fed to so-called "open-end" spinners, with inclined drawing teeth alternated with discharging teeth
DE19743745A1 (de) * 1997-10-02 1999-04-08 Schlafhorst & Co W Auflösewalze für eine Offenend-Spinnvorrichtung
WO2008013195A1 (fr) * 2006-07-27 2008-01-31 Daikin Industries, Ltd. Corps tournant pour défibrage par grattage et procédé de fabrication d'une substance floculante à l'aide de celui-ci
WO2018024717A1 (de) * 2016-08-04 2018-02-08 Maschinenfabrik Rieter Ag Auflösewalze für eine offenend-spinnvorrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE690266A (zh) * 1965-12-01 1967-05-25
DE2520706A1 (de) 1975-05-09 1976-11-25 Feldmuehle Anlagen Prod Aufloesewalze
JPS54147235A (en) * 1978-05-04 1979-11-17 English Card Clothing Card covered opening roller used in open end fine spinning machine
DE3007245C2 (de) * 1980-02-27 1982-08-12 Staedtler & Uhl, 8540 Schwabach Zahnbesatz für Walzen und Tragsegmente von Textilmaschinen
DE19708190A1 (de) * 1997-02-28 1998-09-03 Rieter Ingolstadt Spinnerei Auslösewalze für eine Offenend-Spinnmaschine
DE102004029659B4 (de) * 2004-06-18 2017-03-30 Rieter Ingolstadt Gmbh Auflöseeinrichtung für Spinnmaschinen
DE102007027386A1 (de) * 2007-06-11 2008-12-18 TRüTZSCHLER GMBH & CO. KG Sägezahndraht zur Herstellung einer Sägezahn-Ganzstahlgarnitur für eine Karde oder Krempel
CN201128789Y (zh) * 2007-11-28 2008-10-08 蒋镭迪 特别适用于分梳辊的金属针布
DE102013003284A1 (de) * 2013-02-26 2014-08-28 Saurer Germany Gmbh & Co. Kg Faserbandauflöseeinrichtung für eine Offenend-Spinnvorrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2355800A1 (de) * 1973-11-08 1975-05-22 Stahlecker Fritz Aufloesewalze fuer offen-end-spinnaggregate
DE3608811A1 (de) * 1986-03-15 1987-09-17 Reiners & Fuerst Aufloesewalze einer offenendspinnmaschine
EP0357569A1 (en) * 1988-09-01 1990-03-07 Marcello Giuliani A stripping roller for drawing fibres to be fed to so-called "open-end" spinners, with inclined drawing teeth alternated with discharging teeth
DE19743745A1 (de) * 1997-10-02 1999-04-08 Schlafhorst & Co W Auflösewalze für eine Offenend-Spinnvorrichtung
WO2008013195A1 (fr) * 2006-07-27 2008-01-31 Daikin Industries, Ltd. Corps tournant pour défibrage par grattage et procédé de fabrication d'une substance floculante à l'aide de celui-ci
WO2018024717A1 (de) * 2016-08-04 2018-02-08 Maschinenfabrik Rieter Ag Auflösewalze für eine offenend-spinnvorrichtung

Also Published As

Publication number Publication date
CN108203850A (zh) 2018-06-26
CN112760754B (zh) 2022-05-31
CN108203850B (zh) 2021-02-19
CN112760754A (zh) 2021-05-07
DE102016124635A1 (de) 2018-06-21

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