EP1236817B1 - Dispositif d'ouverture et de nettoyage de matière fibreuse - Google Patents

Dispositif d'ouverture et de nettoyage de matière fibreuse Download PDF

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Publication number
EP1236817B1
EP1236817B1 EP02003730A EP02003730A EP1236817B1 EP 1236817 B1 EP1236817 B1 EP 1236817B1 EP 02003730 A EP02003730 A EP 02003730A EP 02003730 A EP02003730 A EP 02003730A EP 1236817 B1 EP1236817 B1 EP 1236817B1
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EP
European Patent Office
Prior art keywords
tooth
foregoing
roller
preference
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.)
Revoked
Application number
EP02003730A
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German (de)
English (en)
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EP1236817A1 (fr
Inventor
René Schmid
Jürg Faas
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.)
Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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Publication date
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Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP1236817A1 publication Critical patent/EP1236817A1/fr
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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
    • 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 present invention relates to a device for opening and cleaning of fiber material, in particular on a carding machine or a cleaner, with a feed device and at least one provided with a sawtooth wire roller as a licker or customer (see US 6061877 A).
  • fiber material passes, for example, via a filling shaft to the corresponding machine.
  • a feeding device is arranged between the hopper and the drum, which feeds the fiber material to a licker-in.
  • one or more lickerins are provided, which comb through the cotton hanging out of the feed device and dissolve into flakes.
  • the fiber material is cleaned simultaneously.
  • cleaners get the fiber flakes into a transport system and are fed to a next machine.
  • the fiber flakes reach the ripples to form a spool, in which the actual carding process takes place.
  • the fibers are fed to a customer, which combines the fibers into a nonwoven, which is usually withdrawn as a sliver in calender rolls.
  • Both the licker-in rollers and the drum and the doffer rollers are provided with sawtooth wire in modern machines. Due to the different requirements, in particular with regard to the holding ability of the fibers, different sawtooth wires are required for the individual rollers. It is known that the sawtooth wires of the licker-in and the pick-up have an overall height of about 5 mm. At a foot height of usually about 1.5 mm, the air volume, ie the volume between the tooth tip and the upper edge of the tooth root is about 3.5 mm deep. In contrast, the garnish of the spool is usually only about half as high. The experts have hitherto believed that these height ratios must be such as to be able to transfer the flake material from one roller to the next and to obtain as few circulating fibers as possible.
  • Circumferential fibers can lead to an additional increase in nits, which worsens the carding result.
  • the percentage of circulating fibers is still too high and thus the carding result could not yet be optimally obtained despite various attempts with, for example, different tooth shapes.
  • the sawtooth wire has a free tooth height from the tip of the sawtooth wire to the top of a tooth root or, if the saw tooth wire has no foot, to the base body of the garniture roller.
  • the free tooth height of the sawtooth wire is between 1.5 and 2.5 mm.
  • a free tooth height of 2 mm has proved particularly advantageous for use as a licker-in.
  • the height of the entire sawtooth wire is between 2 and 3.5 mm, preferably about 2.5 mm.
  • a tooth incision depth between 1.1 and 1.7 mm, preferably 1.4 mm is an advantageous compromise between the ability of the teeth to take the individual fibers or flakes and on the other hand lateral guidance and possibly adhesion of the individual fibers on the flanks of the teeth and to ensure tooth feet.
  • the garnish toothbrush angle between 5 ° and 25 °, preferably 10 ° have proven to be advantageous.
  • the larger the toothbrush angle the more aggressive is the decrease effect of the clothing, i. the more complete the garniture will take over the fibers from the preceding roller, although the protection of the fibers also decreases and damage to the fibers may occur.
  • the peak density per unit area decreases.
  • peak density a value has been found between 258 and 1610 peaks per cm 2 (40 and 250 ppsi), preferably about 839 peaks per cm 2 130 ppsi for licker-in with the sawtooth wire according to the invention. This peak density is also much lower than is usual in for example Tambouren. Increasing the peak density increases the probability of the fibers being taken from the preceding roller.
  • a clothing wire with the preferred compositions mentioned above has proven to be a particularly advantageous and inventive design of the clothing wire.
  • the following Garnish rollers can then each have conversions, which are advantageously in the specified ranges have.
  • the clothing roller is inserted upstream of a spool.
  • the clothing roller is arranged in a separate machine. Special advantages, the clothing roller, however, when used as a licker-on, since the advantages of the sawtooth wire are the clearest.
  • FIG. 1 shows a schematic illustration of a carding machine 1.
  • fiber material in the form of a fiber wadding is fed to a feed device 3.
  • the fiber wadding is removed with a licker 4.
  • the licker 4 By the licker 4, the cotton is separated into flakes and impurities are eliminated.
  • the lump material is taken over by the licker-in 4 with a further licker-in 4 'and transferred to a third licker-in 4.
  • the triple arrangement of the lickerins achieves a particularly thorough singulation of the fiber flakes and cleaning of the fiber flakes.
  • the first licker-in 4 of the triple arrangement on a shegeieregarnitur may also have sawtooth wires which correspond to the sawtooth wire according to the invention, but conventional sawtooth wires may also be used in one or both of the further licker-in 4' and 4".
  • the fiber flakes are taken over by a spool 5.
  • the actual carding process takes place, in which the fibers are singulated and parallelized From the spool 5, the fibers are removed by means of the picker 6.
  • the fiber fleece is removed by means of a removal device 7, combined to form a fiber band 8 and deposited in a can 9.
  • FIG. 2 shows a side view of a sawtooth wire.
  • this sawtooth wire has a pitch T, which is about 2.5 mm.
  • the tooth face angle ⁇ is formed at 10 ° such that a relatively gentle decrease of fibers of the previous roller or possibly the feed device 3 can take place.
  • a tooth incision depth E which is about 1.4 mm, the fibers are sufficiently guided by the sawtooth wire 10 during circulation to the point of removal by a subsequent roller and on the other hand, sufficient attack surface is created to remove the fiber material from the previous location.
  • a peak density is achieved on a conventional Garniturwalze with about 127 ppsi.
  • FIG. 3 shows a cross section through a sawtooth wire 10 according to the invention.
  • An advantageous embodiment has an overall tooth height H of about 2.5 mm.
  • the tooth width B has advantageously proven to be about 2 mm.
  • the free tooth height of the sawtooth wire 10 is about 2 mm.
  • This height represents the actual filling level of the clothing roller and determines together with the width B or the contour of the tooth itself the filling volume of the clothing roller, i. the volume that fibers can absorb.
  • the filling volume in particular the filling level, can be reduced without the quality of the takeover and delivery of the fiber material being impaired.
  • the present invention is not limited to the illustrated embodiment. There are more uses of such a sawtooth wire, especially when using cleaners, possible.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Food-Manufacturing Devices (AREA)

Claims (14)

  1. Dispositif d'ouverture et de nettoyage de produit fibreux, comportant un dispositif d'acheminement et au moins un cylindre à garniture (4, 4', 4") équipé d'un fil en dents de scie (10) et servant de cylindre briseur, caractérisé en ce que le fil en dents de scie (10) comporte une hauteur libre de dents (Z), depuis la pointe du fil en dents de scie (10) jusqu'à la face supérieure d'un pied de dent ou jusqu'au corps de base du cylindre à garniture (4, 4', 4"), allant de 1,5 à 2,5 mm.
  2. Dispositif selon la revendication 1, caractérisé en ce que la hauteur (H) de l'ensemble du fil en dents de scie (10) va de 2 à 3,5 mm et s'élève de préférence à 2,5 mm.
  3. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que la profondeur d'incision des dents (E) va de 1,1 à 1,7 mm et s'élève de préférence à 1,4 mm.
  4. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que l'angle de front des dents (α) va de 5 à 25° et s'élève de préférence à 10°.
  5. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que le pied des dents présente une hauteur (F) entre 0,3 mm et 1 mm, de préférence 0,5 mm.
  6. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que la largeur des dents (B) va de 1 à 3 mm et s'élève de préférence à 2 mm.
  7. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que le pas des dents (T) va de 1,5 à 4 mm et s'élève de préférence à 2,5 mm.
  8. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que le cylindre à garniture (4, 4', 4") présente une densité de pointes entre 258 et 1.610 pointes par cm2 (40 et 250 ppsi), de préférence 839 pointes par cm2 (130 ppsi).
  9. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que deux ou trois cylindres à garniture (4, 4', 4") sont disposés directement les uns derrière les autres.
  10. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que, dans le cas de plusieurs cylindres à garniture (4, 4', 4") disposés directement les uns derrière les autres, l'angle de front (α), la densité de pointes, la hauteur libre des dents (F) et/ou la vitesse des cylindres augmentent du moins d'un cylindre au prochain.
  11. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce que les diamètres des cylindres à garniture disposés les unes derrière les autres (4, 4', 4") sont sensiblement égaux.
  12. Nettoyeur comportant un dispositif selon une ou plusieurs des revendications précédentes.
  13. Carde comportant un dispositif selon une ou plusieurs des revendications précédentes.
  14. Carte selon la revendication 13, caractérisée que le cylindre à garniture (4, 4', 4") est placé en amont d'un tambour (5).
EP02003730A 2001-02-20 2002-02-19 Dispositif d'ouverture et de nettoyage de matière fibreuse Revoked EP1236817B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10108140 2001-02-20
DE2001108140 DE10108140A1 (de) 2001-02-20 2001-02-20 Vorrichtung zum Öffnen und Reinigen von Fasergut

Publications (2)

Publication Number Publication Date
EP1236817A1 EP1236817A1 (fr) 2002-09-04
EP1236817B1 true EP1236817B1 (fr) 2006-05-31

Family

ID=7674859

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EP02003730A Revoked EP1236817B1 (fr) 2001-02-20 2002-02-19 Dispositif d'ouverture et de nettoyage de matière fibreuse

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EP (1) EP1236817B1 (fr)
AT (1) ATE328138T1 (fr)
DE (2) DE10108140A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10254918A1 (de) * 2002-11-25 2004-06-09 Hollingsworth Gmbh Ganzstahlgarnitur für Walzen und/oder Trommeln von Karden oder Krempeln
DE102005010839A1 (de) * 2005-03-07 2006-09-14 Maschinenfabrik Rieter Ag Öffnerwalze und Füllschacht für eine Karde
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
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
FR2916454B1 (fr) * 2007-05-22 2009-07-31 Filature Du Parc Sarl Procede de fabrication d'un fil en filature de type cycle carde, a partir de dechets textiles.
DE102007062841A1 (de) * 2007-12-21 2009-06-25 TRüTZSCHLER GMBH & CO. KG Sägezahnganzstahlgarnitur für Walzen und/oder Trommeln von Karden oder Krempel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391429A (en) * 1966-03-14 1968-07-09 Nagoya Metallic Card Clothing Metallic wire for card clothing
GB2271126A (en) * 1992-09-22 1994-04-06 Truetzschler Gmbh & Co Kg Apparatus and method for processing fibre material
DE10012561A1 (de) * 2000-03-15 2001-10-04 Graf & Co Ag Sägezahndraht

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3204297A (en) * 1962-07-12 1965-09-07 Wada Mamoru Card clothing
DE2335057A1 (de) * 1973-07-10 1975-01-30 Seelemann Baumann Gmbh Metallener kardierbeschlag
DE2539089A1 (de) * 1975-09-03 1977-03-17 Skf Kugellagerfabriken Gmbh Vorreisserwalze mit einer zahngarnitur
DE3723872A1 (de) * 1987-07-18 1989-02-02 Hollingsworth Gmbh Reinigungsgarnitur fuer textilfasern bearbeitende elemente, insbesondere reinigungswalzen
CH678861A5 (fr) * 1988-08-24 1991-11-15 Graf & Co Ag
DE19509743A1 (de) * 1995-03-17 1996-09-19 Fritz Stahlecker Garnitur für eine Auflösewalze
DE19708261B4 (de) * 1997-02-28 2010-08-12 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde mit einer Speisewalze und mindestens einem Vorreißer
IT1299586B1 (it) * 1998-05-19 2000-03-16 Marzoli & C Spa Gruppo di alimentazione e pretrattamento del materiale fibroso alimentato ad una macchina tessile, in particolare per apritoi o
DE50113877D1 (de) * 2000-07-28 2008-06-05 Rieter Ag Maschf Sägezahngarnitur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391429A (en) * 1966-03-14 1968-07-09 Nagoya Metallic Card Clothing Metallic wire for card clothing
GB2271126A (en) * 1992-09-22 1994-04-06 Truetzschler Gmbh & Co Kg Apparatus and method for processing fibre material
DE10012561A1 (de) * 2000-03-15 2001-10-04 Graf & Co Ag Sägezahndraht

Also Published As

Publication number Publication date
ATE328138T1 (de) 2006-06-15
DE50206946D1 (de) 2006-07-06
EP1236817A1 (fr) 2002-09-04
DE10108140A1 (de) 2002-08-29

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