EP1373611A1 - Garniture en dents de scie destinee a un ensemble de cylindres - Google Patents

Garniture en dents de scie destinee a un ensemble de cylindres

Info

Publication number
EP1373611A1
EP1373611A1 EP02724213A EP02724213A EP1373611A1 EP 1373611 A1 EP1373611 A1 EP 1373611A1 EP 02724213 A EP02724213 A EP 02724213A EP 02724213 A EP02724213 A EP 02724213A EP 1373611 A1 EP1373611 A1 EP 1373611A1
Authority
EP
European Patent Office
Prior art keywords
tooth
angle
roller
sawtooth wire
inclination
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.)
Granted
Application number
EP02724213A
Other languages
German (de)
English (en)
Other versions
EP1373611B1 (fr
Inventor
Axel Bauersachs
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.)
Truetzschler Card Clothing GmbH
Original Assignee
Hollingsworth 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 Hollingsworth GmbH filed Critical Hollingsworth GmbH
Publication of EP1373611A1 publication Critical patent/EP1373611A1/fr
Application granted granted Critical
Publication of EP1373611B1 publication Critical patent/EP1373611B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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

Definitions

  • the invention relates to a sawtooth wire for a roller assembly of a fiber processing machine, in particular a carding machine, with a tooth base extending in the longitudinal direction of the sawtooth wire and a plurality of teeth arranged one behind the other in the longitudinal direction of the sawtooth wire, each of which has a forward angle (chest angle (BW)) inclined tooth face and a tooth back inclined by an angle (back angle (RW)) with respect to the longitudinal direction of the saw tooth wire, the imaginary extension of the tooth face and tooth back converging to form a tooth tip.
  • BW chest angle
  • RW back angle
  • Such sawtooth wires are used for card clothing, carding and the like.
  • the sawtooth wires are wound onto the roller side by side and form a so-called sawtooth wire set, in which the teeth are all oriented in one direction.
  • the roller type e.g. the toothbrush runs ahead of the tambour.
  • the tooth back runs ahead.
  • the transfer between the fast-running tambour and the slow-running customer takes place in that the fibers are pushed from the tambour into the sawtooth wire clothing of the customer.
  • an upset roller is connected to the customer, the fibers are transferred from the customer to the first upset roller in the same way as from the tambour to the customer, but here the tooth back of the teeth of the sawtooth wire set of the customer transfers the fibers to the upset roller.
  • the invention is based, to provide a sawtooth wire with which the transfer of the fibers is improved, in particular for such take-off rollers or upsetting rollers in which the fibers are transferred to a slower-running roller via the tooth back.
  • the inclination angle (back angle (RW)) of the tooth back increases from the tooth base to the tooth tip.
  • RW back angle
  • the tooth back as well as the tooth face are formed in a straight line.
  • the back of the tooth and the tooth face thus converge from the tooth base in a straight line and meet in the tooth tip.
  • the large breast angle in a doffing roller is desirable because when the fibers are taken over, the taking-over roller can take up the fibers better.
  • the solution according to the invention allows the realization of a large breast angle for better transfer of the fibers with a large back angle for better transfer of the fibers to the subsequent slow-running upset roller.
  • the solution according to the invention can be implemented particularly easily if the tooth back has at least one kink.
  • the back of the tooth can thus have a back angle from the tooth base to the kink, which corresponds to a conventional sawtooth. From the kink to the tip, however, the back angle is larger, so that this upper part of the back of the tooth does not meet the tooth breast in the tip of the tooth. It has turned out to be favorable if the kink is at least about 2/3 of the tooth height. However, the range of about 2/3 of the tooth height can be preferred. In this way, a sufficiently high stability of the tooth is achieved with improved functionality when the fibers are transferred to the next roller.
  • the increase in the angle of inclination (from RW1 to RW2) can be at least 10%.
  • the ratio of the two angles of inclination of the tooth back is about 3: 2.
  • the invention has a particularly advantageous effect in the case of sawtooth wires in which the angle of inclination of the tooth face is ⁇ 40 °, preferably ⁇ 45 °.
  • the angle of inclination of the tooth back from the kink to the tooth tip is at least 36 °, preferably at least 40 °.
  • the invention further relates to a roller garnished with a saw tooth wire according to the invention, in particular a take-off or upsetting roller, a card or card.
  • a roller garnished with a saw tooth wire according to the invention in particular a take-off or upsetting roller, a card or card.
  • Fig. 1 shows a schematic representation of a card with fiber flow
  • Fig. 2 shows an enlarged view of a sawtooth section. detail II from FIG. 1.
  • Fig. 1 the main elements of a card or card are shown. These are the Tambur 1, which is usually operated at a peripheral speed of 800-1500 m / min and rotates clockwise, and the downstream customer 2, which rotates counterclockwise at a peripheral speed of usually 60-300 m / min , Downstream of the pickup 2 is a first upsetting roller 3, which rotates clockwise and has a peripheral speed which is usually between approximately 50-80% of the peripheral speed of the pickup 2. Behind the first upsetting roller 3 there is a second upsetting roller 4 which rotates counterclockwise at a peripheral speed of 60-90% of the peripheral speed of the first upsetting roller 3.
  • the tooth position of the individual rollers is explained in more detail below with reference to the fiber flow shown in FIG. 1.
  • the Tambur 1 has a sawtooth wire set in which the tooth face points in the direction of rotation.
  • the fibers are taken through the tooth face of the clothing and handed over to the customer 2.
  • This has a sawtooth wire set, in which the tooth back 5 points in the direction of rotation, while the tooth face 6 of the tooth face faces the saw tooth set of the drum 1.
  • the fiber transfer between the tambour and the customer 2 takes place in that the fibers are dipped through the sawtooth wire clothing of the tambour into the pockets formed by the tooth face 6 of the sawtooth wire clothing of the slower running customer.
  • the transfer from the customer 2 to the first upsetting roller 3 takes place in a similar manner, but here it is not the tooth face but the back of the teeth of the sawtooth wire set of the customer that causes the transfer to the first upsetting roller 3.
  • the transfer from the first to the second upsetting roller 4 takes place in the same way.
  • the sawtooth wire of the set of the consumer 2 from Fig. 1 is shown as an example.
  • the clothing of the first upsetting roller 3 can also be designed in the same way.
  • the design of the sawtooth wire shown in FIG. 2 and described below is suitable for clothing as such rolls in which the fibers are taken over from a faster-running roll and transferred to a slower-running roll.
  • the direction of movement of the clothing is indicated in Fig. 2 by the arrow 7.
  • the sawtooth wire shown there has a sawtooth base 9 extending in the longitudinal direction 8 of the wire and a plurality of teeth 10 arranged one behind the other in the longitudinal direction 8 of the sawtooth wire. All teeth have a tooth face 6 and a tooth back 5, the imaginary extensions of the tooth back 5 and the associated tooth face 6 meeting at one point, namely the tooth tip 11.
  • the tooth face 6 is inclined forward; it forms a pocket with the neighboring tooth back.
  • the respective angles are designated in the drawing as follows.
  • BW is the breast angle and is measured between the tooth face 6 and an imaginary perpendicular to the tooth base 9.
  • RW denotes the back angle and is measured between the back 5 of a tooth and an imaginary horizontal line connecting the tips 11 of the individual teeth.
  • the tooth back 5 of the teeth 10 has a kink 12, approximately 2/3 of the height of the respective teeth 10.
  • the tooth back 5 extends in a straight line from the tooth base 13 to the kink 12.
  • the back angle of this section of the tooth back is designated RW 1 and is 30 ° in the exemplary embodiment shown here.
  • RW 2 From the kink to the tooth tip or the imaginary line connecting the tooth tips 11 to one another, the associated back angle is designated RW 2 and is 70 °.
  • RW 1 From the kink to the tooth tip or the imaginary line connecting the tooth tips 11 to one another, the associated back angle is designated RW 2 and is 70 °.
  • the tooth shape deviates considerably from the previously customary tooth shape, as indicated by the dashed line 14 in the right tooth in FIG. 1.
  • the tooth back 5 is considerably steeper in the upper area.
  • the chest angle is 40 °.
  • the tooth shape shown in FIG. 2 shows that the back angle in the upper region of the teeth 10 is independent of the chest angle BW.
  • This tooth shape enables a large chest angle but also a large back angle to be realized at the same time.
  • the great The large back angle facilitates the transfer of the fibers from a faster-running roller, while the large back angle facilitates the transfer of the fibers to a slower-running roller, because the steeper back flank stuffs the fibers better into the clothing of the subsequent slower-running roller.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Communication Cables (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

L'invention concerne une garniture en dents de scie destinée à un ensemble de cylindres, notamment à un balayeur d'une carde. L'invention vise à améliorer les propriétés de réception et de repassage du balayeur vers le refouleur consécutif. A cet effet, l'angle de dos (RW) des dents individuelles (10) augmente de la base (9) vers la pointe (11) des dents. Ainsi, le dos des dents est abrupt au niveau de la pointe des dents, ce qui a pour effet d'améliorer les propriétés de repassage du balayeur vers le refouleur consécutif, l'angle avant étant important, ce qui a pour effet de faciliter la réception des fibres à partir du tambour plus rapide.
EP02724213A 2001-03-22 2002-03-08 Garniture en dents de scie destinee a un ensemble de cylindres Expired - Lifetime EP1373611B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10114108 2001-03-22
DE10114108A DE10114108B4 (de) 2001-03-22 2001-03-22 Sägezahndraht für eine Walzengarnitur
PCT/EP2002/002576 WO2002077338A1 (fr) 2001-03-22 2002-03-08 Garniture en dents de scie destinee a un ensemble de cylindres

Publications (2)

Publication Number Publication Date
EP1373611A1 true EP1373611A1 (fr) 2004-01-02
EP1373611B1 EP1373611B1 (fr) 2007-07-04

Family

ID=7678610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02724213A Expired - Lifetime EP1373611B1 (fr) 2001-03-22 2002-03-08 Garniture en dents de scie destinee a un ensemble de cylindres

Country Status (5)

Country Link
US (1) US6874203B2 (fr)
EP (1) EP1373611B1 (fr)
AT (1) ATE366330T1 (fr)
DE (2) DE10114108B4 (fr)
WO (1) WO2002077338A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005025627B3 (de) * 2005-06-03 2006-10-05 Graf + Cie Ag Verfahren und Vorrichtung zum Herstellen von Sägezahn- und Ganzstahlgarnituren sowie Sägezahndraht
DE102006005391A1 (de) * 2006-02-03 2007-08-09 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde, Krempel o. dgl., zur Reinigung von Fasermaterial z. B. aus Baumwolle, mit einer schnelllaufenden oder Hauptwalze
DE102006005390B4 (de) * 2006-02-03 2021-08-12 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Karde, Krempel o. dgl., zur Reinigung von Fasermaterial z. B. aus Baumwolle, die eine schnelllaufende erste oder Hauptwalze umfasst
DE102006005389A1 (de) * 2006-02-03 2007-08-09 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde, Krempel o. dgl., zur Reinigung von Fasermaterial z. B. aus Baumwolle, die eine schnelllaufende erste oder Hauptwalze aufweist
WO2009030551A1 (fr) * 2007-09-06 2009-03-12 Nv Bekaert Sa Aiguille de peigne autonettoyante
DE102007062841A1 (de) * 2007-12-21 2009-06-25 TRüTZSCHLER GMBH & CO. KG Sägezahnganzstahlgarnitur für Walzen und/oder Trommeln von Karden oder Krempel
US9068719B2 (en) * 2009-09-25 2015-06-30 Cree, Inc. Light engines for lighting devices
WO2012019841A1 (fr) 2010-08-09 2012-02-16 Nv Bekaert Sa Profil de fil pour garniture de carde
CH704774A1 (de) * 2011-04-08 2012-10-15 Graf & Co Ag Sägezahngarnitur.
KR101719493B1 (ko) 2014-01-23 2017-03-24 그로츠-베케르트 카게 카드 와이어
CN103741275B (zh) * 2014-01-24 2016-04-13 浙江中新毛纺织有限公司 一种梳棉机的刺辊结构
DE102014107079B3 (de) * 2014-04-07 2015-06-18 TRüTZSCHLER GMBH & CO. KG Ganzstahlgarnitur für eine Karde
CN107022812B (zh) * 2017-05-03 2019-04-12 新疆天羚绒业科技股份有限公司 一种动物绒毛纤维精准分离装置及分离方法
EP3714086A4 (fr) 2017-11-22 2021-10-06 Extrusion Group, LLC Ensemble embout de matrice et procédé de fusion-soufflage
AU2019313543A1 (en) * 2018-07-30 2021-03-18 Mativ Luxembourg Apparatus and method for making fibrous webs having isotropic structure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US795946A (en) 1903-09-30 1905-08-01 Ewald Thielmann Card-clothing for fancy-rollers of carding-machines.
US2937413A (en) * 1956-09-27 1960-05-24 John D Hollingsworth Carding tooth
JPS60181326A (ja) * 1984-02-29 1985-09-17 Iwao Wada 金属針布
JPS60220211A (ja) * 1984-04-13 1985-11-02 建設フアスナ−株式会社 プラグ内臓式雌ネジアンカ−とその製造法
DE3723872A1 (de) * 1987-07-18 1989-02-02 Hollingsworth Gmbh Reinigungsgarnitur fuer textilfasern bearbeitende elemente, insbesondere reinigungswalzen
ES2010170A4 (es) * 1987-12-29 1989-11-01 Graf + Cie Ag Un diente de sierra de alambre de una placa de tejido de dientes de sierra para una maquina textil productora de fibras de lana orientadas aleatoriamente
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
EP0879306B1 (fr) 1996-02-07 2001-11-28 William Charles Carlton Ameliorations dans le cardage des textiles et equipement correspondant
AUPP681098A0 (en) * 1998-10-30 1998-11-19 Commonwealth Scientific And Industrial Research Organisation Card wire, especially for doffers and workers
DE10012561B4 (de) * 2000-03-15 2004-09-02 Graf + Cie Ag Sägezahndraht

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02077338A1 *

Also Published As

Publication number Publication date
ATE366330T1 (de) 2007-07-15
WO2002077338A1 (fr) 2002-10-03
US6874203B2 (en) 2005-04-05
DE50210413D1 (de) 2007-08-16
DE10114108B4 (de) 2005-05-19
US20040154137A1 (en) 2004-08-12
DE10114108A1 (de) 2002-10-02
EP1373611B1 (fr) 2007-07-04

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