EP1657328B1 - Auflöseeinrichtung mit verbesserter Kontur aufweisenden Zähnen - Google Patents

Auflöseeinrichtung mit verbesserter Kontur aufweisenden Zähnen Download PDF

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Publication number
EP1657328B1
EP1657328B1 EP05110353A EP05110353A EP1657328B1 EP 1657328 B1 EP1657328 B1 EP 1657328B1 EP 05110353 A EP05110353 A EP 05110353A EP 05110353 A EP05110353 A EP 05110353A EP 1657328 B1 EP1657328 B1 EP 1657328B1
Authority
EP
European Patent Office
Prior art keywords
tooth
teeth
accord
foregoing
height
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.)
Not-in-force
Application number
EP05110353A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1657328A3 (de
EP1657328A2 (de
Inventor
Edmund Schuller
Josef Schermer
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 GmbH
Original Assignee
Rieter Ingolstadt GmbH
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 Ingolstadt GmbH filed Critical Rieter Ingolstadt GmbH
Publication of EP1657328A2 publication Critical patent/EP1657328A2/de
Publication of EP1657328A3 publication Critical patent/EP1657328A3/de
Application granted granted Critical
Publication of EP1657328B1 publication Critical patent/EP1657328B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/84—Card clothing; Manufacture thereof not otherwise provided for
    • D01G15/88—Card clothing; Manufacture thereof not otherwise provided for formed from metal sheets or strips

Definitions

  • the present invention relates to a spinning device for spinning machines, such as open-end or air jet spinning machines, with an opening roller on the outer circumference of a plurality of teeth is arranged.
  • the fiber material In modern spinning machines, it is necessary to produce a yarn of a fiber material, the fiber material first to dissolve individual fibers before it can be spun in a subsequent operation, such as a spinning process, to a Gam forming fiber composite.
  • a subsequent operation such as a spinning process
  • very different requirements are placed on the dissolving devices used. This is because sometimes very different types of fibers are to be processed, which are also still to process in very different states. For example, mention may be made here of the difference between natural fibers, such as cotton fibers, and man-made fibers, such as filament fibers. Both types of fiber have very different fiber properties, which is to be controlled in a resolving device.
  • cotton fibers are often accompanied by impurities, such as shells or sand, which also has to be processed trouble-free.
  • the DE-A-3723872 discloses a cleaning set for carding, carding and the like.
  • tooth geometries for resolving devices have been developed which, for example, have as universal characteristics as possible have to be able to process as many types of fibers.
  • Other tooth geometries have been optimized for individual fiber types, resulting in being limited in their utility and being suitable, for example, either only for natural fibers such as cotton or exclusively for synthetic fibers such as viscose or polyester fibers.
  • a Feinffygarnitur an opening roller for an open-end spinning machine known which is equipped with teeth whose tooth pitch significantly exceeds the tooth height and has a positive breast angle.
  • the tooth pitch is at least three times the tooth height and the breast angle at most 10 °.
  • This fine tooth set where the tooth height is less than 2 mm, is specially designed for processing synthetic fiber material.
  • the very close arrangement of the teeth is intended to ensure that the relatively stiff fibers of synthetic material leave the teeth of the opening roller in time at the entrance to the feed channel.
  • the fine, closely spaced teeth prevent that the fibers penetrate too deep into the Fein leopardgarnitur. This causes them to easily peel off what z. B. in the vicinity of a feed channel is desirable.
  • the object of the invention is therefore to provide a tooth geometry, with the help of which a good dissolving power of the fiber material as well as a good release of the fibers after the dissolution process can be achieved.
  • the opening device is characterized in that the teeth are arranged with a tooth spacing of at most 20 mm, preferably of less than 12 mm, consist of at least two sections, wherein a first lying on a tooth tip portion of a positive or at least has vertical chest angle and a second portion is a sloping in the direction of movement of the clothing bevel, and that the distance between the tooth tip and a point of contact of a vertical tangent at the transition region between the first and the second portion forms a technologically effective tooth height, the ratio of technologically more effective Tooth height to tooth spacing is at most 1.
  • the invention has recognized that the subdivision of the tooth in two or more sections is able to solve the task mentioned above.
  • the first section of the tooth which extends from the tooth tip in the direction of the tooth root, forms the region which is responsible for the particularly good resolving power of the inventively designed opening device.
  • the forward and in the direction of movement of the teeth Tooth side called tooth side is perpendicular or slightly inclined forward. The farther the tooth face is inclined forward in the direction of movement, the larger becomes the so-called breast angle. The larger the angle of the breast is, the better the resolving power of the teeth thus formed, since the fibers can attack it particularly well.
  • the present invention now provides a remedy and arranges the second portion of the tooth, which extends for example from a range of half the tooth height down to the tooth root.
  • the second section is designed as a slope, which drops in the direction of movement of the opening device downwards. The slope forming the second portion prevents the fibers attached to the first portion from sliding too deep in the direction of the tooth root along the tooth.
  • the dissolved fibers are held predominantly in the upper region of the tooth and easily detach at the desired location, such as an opening to a fiber feed channel.
  • the inventively designed opening device thus combines the advantage of particularly good dissolving tooth geometries with the advantage of particularly good detaching tooth geometries.
  • an angle of 3 ° -60 °, preferably 30 ° -50 ° is set between the vertical tangent and the second portion. Slopes with an angle in these areas have proven to be particularly effective.
  • the teeth designed according to the invention are formed on a clothing wire which is fastened on an opening roller body.
  • This Gamiturdrähte can be made very efficiently from long wires and then assembled accordingly.
  • a foot height of the clothing wire is less than 2.5 mm.
  • the clothing wire is usually made from a substantially elongated wire. This means that at the latest when garnishing the opening roller body it is to be bent into a spiral shape corresponding to the roller body. This can take place, for example, during garnishing or else in a preceding production step, for example before a hardening process.
  • the invention has found that clothing wires with foot heights of less than 2.5 mm are still well deformed without, for example, by fractures serious damage to Gamiturdraht occur.
  • clothing wires with heights of in the range of 1.5 to 2.4 mm have proven in many applications to be particularly unproblematic in the processing, at the same time sufficient strength.
  • the ratio of technologically effective tooth height to foot height is between 0.2 and 1.5, preferably between 0.7 and 1 in the opening device. If, for example, a technologically effective tooth height of 1 mm and a foot height of 1.8 mm are used, the result is a ratio of about 0.55.
  • opening roller, the Gamiturdraht and the ring gear are also characterized by the fact that it attached tooth contour is configured according to one of the embodiments described above. Accordingly, the same advantages arise for these devices as for the described opening device.
  • FIG. 1 is a side view of a portion of a Garniturdrahts 1 according to the invention shown.
  • the teeth 2 are each arranged at a tooth spacing of length L z .
  • the intended direction of movement of the clothing wire 1 has according to the arrow 3 to the right.
  • the teeth 2 have a tooth height H z , which extends from a tooth root 4 to a tooth tip 5.
  • the back of the tooth 2 is formed by a tooth back 6, which drops approximately at an angle of 45 °.
  • the front side of the tooth 2 is divided into two sections, the first section being formed by a chest region 7 and the second section by a bevel 8.
  • All sections of the tooth contour, ie back of the teeth 6, chest area 7, bevel 8 and tooth root 4 are tangent-continuous with each other and are each connected by radii of different sizes.
  • a vertical Tangent 10 created whose point of contact with the rounding 9 forms the lower limit of a technologically effective tooth height.
  • the upper limit of the technologically effective tooth height is at the tooth tip 5.
  • a bevel angle W S is set , which in the present case is approximately 45 °.
  • the chest region 7 is in turn arranged with respect to a vertical 11 at a breast angle W B.
  • the breast angle W B is selected to be positive in the example shown, so that the tooth tip 5 projects in the direction of movement 3. It is a positive breast angle, which is approximately 7 ° in the embodiment shown.
  • FIG. 2 is a tooth 2 of the clothing wire 1 from FIG. 1 shown enlarged again.
  • the position of the technologically effective tooth height H t is particularly well recognizable. This extends from the tooth tip 5 to the point of contact of the tangents 10 with the rounding 9. From this point of contact down to the tooth root 4, the height H S extends the slope 8. From the tooth base 4 down to a lower edge 12 of the clothing wire 1 extends the Foot height H F. From an edge 13 located at the side down to the lower edge 12, the height H G of a toothed path lying between the wound rows of teeth extends.
  • the foot height H F of the inventively formed Gamiturdrumblete should not exceed 2.5 mm.
  • the foot height H F is selected in the range of 1.5-2.2 mm.
  • the height H G is preferably between 1.0 and 1.7 mm.
  • it is also sufficient to choose a technologically effective tooth height H t which is in the range of 0.5 - 1.5 mm.
  • the technologically effective tooth height H t can also be chosen above or below.
  • FIG. 3 Finally, a sectional view through the clothing wire according to the invention along the line AA in FIG. 1 , It can be seen that the left side of the clothing wire runs vertically, whereas the right side of the tooth tapers at an angle, so that the tooth 2 tapers upwards.
  • This is a possible technical embodiment, as is often chosen in the use of punching processes for the production of clothing wires.
  • other, for example, symmetrical design forms of the tooth longitudinal profile in the context of the invention are applicable.
  • the underside of the toothed lane which initially increases from the edge 13 in the direction of the tooth 2 at an angle, can optionally also be formed horizontally, whereby the effect of the invention is not affected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP05110353A 2004-11-11 2005-11-04 Auflöseeinrichtung mit verbesserter Kontur aufweisenden Zähnen Not-in-force EP1657328B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004054653A DE102004054653A1 (de) 2004-11-11 2004-11-11 Auflöseeinrichung mit verbesserter Kontur

Publications (3)

Publication Number Publication Date
EP1657328A2 EP1657328A2 (de) 2006-05-17
EP1657328A3 EP1657328A3 (de) 2007-05-30
EP1657328B1 true EP1657328B1 (de) 2009-07-15

Family

ID=35840058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05110353A Not-in-force EP1657328B1 (de) 2004-11-11 2005-11-04 Auflöseeinrichtung mit verbesserter Kontur aufweisenden Zähnen

Country Status (4)

Country Link
US (1) US7313908B2 (zh)
EP (1) EP1657328B1 (zh)
CN (1) CN1772985B (zh)
DE (2) DE102004054653A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3497271B1 (de) 2016-08-08 2022-03-02 Trützschler GmbH & Co. KG Sägezahndraht für walzen von spinnereivorbereitungsmaschinen

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004054653A1 (de) 2004-11-11 2006-05-18 Rieter Ingolstadt Spinnereimaschinenbau Ag Auflöseeinrichung mit verbesserter Kontur
DE102007062841A1 (de) 2007-12-21 2009-06-25 TRüTZSCHLER GMBH & CO. KG Sägezahnganzstahlgarnitur für Walzen und/oder Trommeln von Karden oder Krempel
AU2014324069B2 (en) 2013-09-17 2019-11-07 Breville Pty Limited Improved fruit and vegetable juicer
JP6081030B1 (ja) * 2014-01-23 2017-02-15 グロッツ−ベッケルト・カーゲー カードワイヤ
CN103820887A (zh) * 2014-03-06 2014-05-28 苑香满 用于羊绒羊毛分梳用金属针布及分梳装置
CN104120510A (zh) * 2014-07-30 2014-10-29 宁波高新区利威科技有限公司 机织废旧服装开松的专用锯齿
CN105839236A (zh) * 2016-06-16 2016-08-10 光山白鲨针布有限公司 一种纺织梳理机用固定分梳板
CN106557613B (zh) * 2016-10-31 2019-05-17 中国五环工程有限公司 一种基于离散单元法的耙齿设计方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937413A (en) * 1956-09-27 1960-05-24 John D Hollingsworth Carding tooth
US3419941A (en) * 1965-06-25 1969-01-07 Moriwaki Akira Combing cylinder of combing machine
ES288973Y (es) * 1984-10-11 1987-02-01 Sole Leris Roger Guarnicion rigida para chapones para cardas perfeccionada.
DE3723872A1 (de) * 1987-07-18 1989-02-02 Hollingsworth Gmbh Reinigungsgarnitur fuer textilfasern bearbeitende elemente, insbesondere reinigungswalzen
DE3730295A1 (de) * 1987-09-10 1989-03-23 Fritz Stahlecker Garnitur fuer eine aufloesewalze mit einer vielzahl von zaehnen
DE8713692U1 (de) * 1987-10-12 1988-01-14 Hollingsworth Gmbh, 7265 Neubulach Auflösewalze für Offenend-Spinnmaschine
US4964195A (en) * 1988-11-18 1990-10-23 Hollingsworth John D Metallic card clothing
DE4436378A1 (de) * 1994-10-12 1996-04-18 Staedtler & Uhl Sägezahngarnitur
CN2210903Y (zh) * 1995-01-06 1995-10-25 林吉曙 纺织用的锡林齿条
DE19509743A1 (de) * 1995-03-17 1996-09-19 Fritz Stahlecker Garnitur für eine Auflösewalze
US5755012A (en) * 1996-03-05 1998-05-26 Hollingsworth; John D. Metallic clothing for carding segments and flats
DE19921965B4 (de) * 1999-05-12 2007-11-15 Stahlecker, Fritz Feinzahngarnitur einer Auflösewalze für eine Offenend-Spinnmaschine
USD445433S1 (en) * 1999-09-28 2001-07-24 John D. Hollingsworth On Wheels, Inc. Carding wire
DE10042205B4 (de) * 2000-08-28 2004-10-21 Hollingsworth Gmbh Vorrichtung wie Karde oder Krempel für die Faserverarbeitung
DE102004054653A1 (de) 2004-11-11 2006-05-18 Rieter Ingolstadt Spinnereimaschinenbau Ag Auflöseeinrichung mit verbesserter Kontur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3497271B1 (de) 2016-08-08 2022-03-02 Trützschler GmbH & Co. KG Sägezahndraht für walzen von spinnereivorbereitungsmaschinen

Also Published As

Publication number Publication date
CN1772985B (zh) 2011-08-03
US7313908B2 (en) 2008-01-01
DE502005007698D1 (de) 2009-08-27
US20060186240A1 (en) 2006-08-24
EP1657328A3 (de) 2007-05-30
CN1772985A (zh) 2006-05-17
DE102004054653A1 (de) 2006-05-18
EP1657328A2 (de) 2006-05-17

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