EP3052681B1 - Étaleur-nappeur et procédé de fabrication d'une nappe à partir de rubans de fibres - Google Patents

Étaleur-nappeur et procédé de fabrication d'une nappe à partir de rubans de fibres Download PDF

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Publication number
EP3052681B1
EP3052681B1 EP14723330.8A EP14723330A EP3052681B1 EP 3052681 B1 EP3052681 B1 EP 3052681B1 EP 14723330 A EP14723330 A EP 14723330A EP 3052681 B1 EP3052681 B1 EP 3052681B1
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EP
European Patent Office
Prior art keywords
lap
sliver
condenser
slivers
machine
Prior art date
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Active
Application number
EP14723330.8A
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German (de)
English (en)
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EP3052681A1 (fr
Inventor
Nicole Saeger
Roland Friedrich
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 GmbH and Co KG
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Truetzschler GmbH and Co KG
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G25/00—Lap-forming devices not integral with machines specified above

Definitions

  • the invention relates to a wadding machine and a method for producing a wad from fiber ribbons.
  • the feeding of flat combing machines which is common today, is carried out by laps of cotton wool, which were previously produced from individual strips in winding machines.
  • the winding machine receives the template in the form of a tape from at least one stretch, with the template being temporarily stored in round or rectangular containers.
  • the winding machine usually consists of a winding unit with at least two winding rollers on which the lap is formed by means of a sleeve. Upstream of the winding unit are usually at least one pair of pressure rollers that double and / or stretch the strips. An inlet area is arranged in front of the pressure rollers, in which a further compaction unit or a straightener can be arranged.
  • the quality of the lap produced is one of the decisive factors for the productivity of the subsequent comber. Due to the limited dimensioning of the laps with a weight of approx. 25 kg and an outside diameter of 500 to 600 mm, the increase in production of the combers of today with a number of combing cycles of 600 is limited, since the feeding of the combers with new laps must be done faster and faster and thus becomes more complex and cost-intensive.
  • the DE 102006026841 A1 describes a modified combing machine in which the sliver is fed to the combing head by means of cans. To optimize the material flow, the combing units are aligned transversely to the feed direction to the drafting unit. It is also proposed to arrange a free space below the combing units which can accommodate rectangular cans.
  • the CH 681309 to feed staple fiber material to the combing unit in the form of a drawstring belt or a few drawstring belts.
  • the essential elements of the combing machine can be designed with a smaller width than when processing wound strips with a specified width of 300 mm.
  • stretch tape can be taken directly from cans. It is also possible to use cans with card slivers and to connect a separate drafting system upstream of each combing unit.
  • the DE 19707206 A1 discloses a combing machine which, after the combing heads, places a layer of synthetic fiber sliver on the combed sliver and draws it in a drafting system.
  • the DE 102005006273 A1 discloses a card for hygiene articles in which fiber flocks are carded to form a fleece and the fleece is formed into a fleece strip within the card.
  • the DE 19500189 A1 discloses a stretch in which several slivers are drawn into a single sliver and the thickness of the sliver is determined by means of a feeler element.
  • a further object of the invention is to create a method for producing a wad from fiber ribbons.
  • the advantage of the wadding machine according to the invention is that the wadding produced has little hairiness and high uniformity, the quality of which a conventional lap cannot match. Furthermore, a significantly higher volume can be processed via the storage in storage cans, so that the template for the subsequent combing machines is sufficient for a significantly larger processing quantity and has to be changed less.
  • the wadding machine is cheaper than a winding machine, and by eliminating it, its disadvantages such as the formation of bubbles during winding and at the same time The unevenness associated with this, such as the lap jumping open, the poor rolling behavior and the associated hairiness, are eliminated. Overall, the combing preparation is technologically easier to implement with simpler machines.
  • a set of pressure rollers is arranged between the at least one pre-compressor and the drive device, which can further double the slivers and stretch them easily.
  • At least two layers of fiber ribbons are placed on top of one another and doubled with one another. This results in a sufficient thickness of the wad, which can be fed to the comber without further processing. As a result, the wadding has good homogeneity and a uniform distribution of the fibers in the wadding cross-section.
  • the at least one means determines the moisture content of the fiber material as a controlled variable, a regulator or a controller comparing the controlled variable with a reference variable and, if there is a deviation from the reference variable, generates a signal by which at least one actuator can be actuated to change the operating parameters of the wadding machine.
  • the pressure and / or the draft of the pressure rollers and / or the penetration depth of the pre-compressor and / or the speed of the drive device and / or the draft in the possibly upstream drafting device can be adjusted.
  • the adjustable deflection or compacting includes not only the adjustability of individual webs or entire rows of webs in the pre-compressor, but also the modification of the pre-compressor with regard to the number of webs.
  • the adjustable deflection or compacting also includes the replacement of sub-assemblies of the pre-compressor, in which, for example, the entire upper element with a predetermined number of fixed webs is exchanged for an upper element with a modified deflection or compacting depending on the fibers to be processed.
  • the setting of the webs can be carried out manually on the pre-compressor, in which the webs are guided and can be fastened individually or in series, for example along a backdrop.
  • the usual machine elements are used for horizontal or vertical adjustment.
  • the adjustability can be provided with a marking on the pre-compressor according to a rough classification of fiber qualities.
  • the compacting force can be varied because the pre-tensioning and / or height of the compacting sheet can be adjusted relative to the sliver. With little force or when the compacting plate rests flat on the sliver, it is only smoothed on the surface. If the pretensioning is increased and / or the compacting plate is adjusted so that a front edge slides over the sliver, a significant compression and equalization of the sliver is achieved.
  • the pre-compressor has adjustable or exchangeable elements for deflecting or compressing the sliver. These can thus be set in a targeted manner depending on the fiber quality.
  • a possible difference in speed between the belt 14 and the roller 15 allows a delay on the sliver 3 to be set.
  • the maximum angle of wrap of the fiber sliver 3 around the roller 15, which in this exemplary embodiment is approximately 270 °, can be adjusted via a horizontal adjustability of the deflecting rollers 16a, 16b.
  • either the belt 14 can be designed as a sieve belt, or the surface of the roller 15 can be made from a perforated plate with internal air discharge. Depending on the fiber quality, different surfaces of belt 14 and roller 15 can also be used here.
  • the third embodiment of a wadding machine 10 according to Figure 15 corresponds to the embodiment of Figure 14 , with the pressure rollers have been removed so that the slivers 3 to form a wad are drawn by the drive device 21 exclusively through two pre-compressors 8, 8 ', doubled and smoothed there and placed in a rectangular storage can 20.
  • the fourth exemplary embodiment of a wadding machine 10 uses a so-called compacting plate according to the exemplary embodiment of FIG. 2 as a pre-compressor 8 'instead of the staggered and revolving rollers Figure 13 , with which the fibers 3 lying on top of one another and next to one another are compressed and smoothed with one another.
  • This embodiment also enables an inexpensive and structurally simple embodiment of a wadding machine 10, with which a first layer of fiber ribbons 3, onto which a second layer of fiber ribbons 3 are placed, is formed into a wad as a template for a combing machine.
  • a spinning climate in the spinning mill of 60% humidity at a temperature of 24 ° C, for example, has proven to be the optimum humidity for cotton, with the material moisture being the decisive factor. It has been found that too little moisture in the fiber material has a negative influence on the processability of the fibers.
  • the invention makes use of the knowledge that, for example, cotton can be processed better in a moist state than in a dry state, since the strength increases, while the fiber stiffness and friction decrease at the same time.
  • the wadding machine is adjusted by optimizing the material speed, the pressure on the pressure rollers, the delay between the pressure rollers and / or the penetration depth of the pre-compressor. This can be done differently when processing cotton than when processing fiber blends with, for example, a high proportion of polyester fibers.
  • the material speed can be reduced, for example, in order to ensure the quality of the wadding.
  • the webs in the pre-compressor can interlock with one another by, for example, 5 mm, so that the sliver is more strongly aligned and smoothed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (13)

  1. Méthode pour produire un ruban de nappe pour alimenter une machine de peignage, au moins deux couches de rubans de fibres (3) l'une au-dessus de l'autre étant acheminées à partir de pots vers une zone d'entrée (2) d'un nappeur, et les rubans de fibres (3) étant guidées à travers un pré-condenseur (8) agencé dans la zone d'entrée (2) au moyen d'un renvoi et/ou un compactage ajustable et dossés en un ruban de nappe, lequel est ensuite guidé à travers au moins un deuxième pré-condenseur (8') et/ou un jeu rouleaux de pression (4a à 4c), le ruban de nappe étant transporté à travers le nappeur (10) au moyen d'un dispositif d'entraînement (21) et déposé dans un pot de mise en pot du ruban (20) rectangulaire avec des endroits de pli décalés, le renvoi ou le compactage ajustable du ruban de fibres (3) se faisant dans le pré-condenseur (8) par au moins une barrette supérieure et au moins une barrette inférieure (11a, 12a), qui sont agencées de façon décalées l'une à l'autre.
  2. Méthode selon la revendication 1, caractérisée en ce que lesdites au moins deux couches de rubans de fibres (3) consistent en 12 rubans de fibres (3) placés l'un à côté de l'autre et en 11 à 13 autres rubans de fibres (3), qui sont mis par dessus en agencement décalé ou pareil pour les relier ou dosser en un ruban de nappe.
  3. Méthode selon la revendication 1, caractérisée en ce que la teneur en humidité dans la matière de fibres détermine et par-là génère une valeur de réglage, la valeur de réglage étant comparée à une valeur de référence et, en cas de déviation de la valeur de référence, un élément de réglage pour modifier les paramètres d'opération étant actionnable au moyen d'un signal, en fonction de la teneur en humidité déterminée dans la matière de fibres étant ajustables la pression et/ou l'étirage des rouleaux de pression et/ou la profondeur de perçage du pré-condenseur et/ou la vitesse du dispositif d'entraînement et/ou l'étirage dans le train d'étirage monté en amont, le cas échéant.
  4. Méthode selon la revendication 3, caractérisée en ce que le signal pour l'actionnement de l'élément de réglage est seulement généré si la valeur de réglage a dépassé ou n'a pas atteint une valeur seuil.
  5. Nappeur avec une zone d'entrée (2), qui est aménagée à recevoir au moins deux couches de rubans de fibres (3), alimentées à partir de pots, un pré-condenseur (8) étant agencé dans la zone d'entrée (2), à travers lequel sont guidées lesdites au moins deux couches de rubans de fibres (3) agencées superposées l'une sur l'autre et sont dossées en un ruban de nappe pour alimenter une machine de peignage, en direction de flux de matériel, au moins un deuxième pré-condenseur (8') et/ou un jeu de rouleaux de pression (4a à 4c) étant agencé/s en aval du pré-condenseur (8), auxquels est agencé en aval en direction de flux de matériel un dispositif d'entraînement (21), qui transporte le ruban de nappe à travers le nappeur (10), le nappeur ayant des moyens pour déposer le ruban de nappe dans un pot de mise en pot du ruban rectangulaire (20) avec des endroits de pli décalés, chaque pré-condenseur (8, 8') ayant un renvoi et/ou un compactage ajustable, le renvoi ou le compactage ajustable du ruban de fibres (3) dans le pré-condenseur (8) se faisant par au moins une barrette supérieure et au moins une barrette inférieure (11a, 12a), lesquelles sont agencées décalées l'une de l'autre, le nappeur étant formé à être opéré selon la méthode des revendications 1 à 4.
  6. Nappeur selon la revendication 5, caractérisé en ce que le nappeur comporte au moins un moyen pour détecter la teneur en humidité dans la matière de fibres.
  7. Nappeur selon la revendication 6, caractérisé en ce que ledit au moins un moyen détermine la teneur en humidité de la matière de fibres comme valeur de réglage, un contrôleur ou un contrôle compare la valeur de réglage à une valeur de référence et en cas de déviation de la valeur de référence, produit un signal, qui permet d'actionner ledit au moins un élément de réglage pour modifier les paramètres d'opération du nappeur, en fonction de la teneur en humidité déterminée dans la matière de fibres étant ajustables la pression et/ou l'étirage des rouleaux de pression et/ou la profondeur de perçage du pré-condenseur et/ou la vitesse du dispositif d'entraînement et/ou l'étirage dans le train d'étirage monté en amont, le cas échéant.
  8. Nappeur selon la revendication 5, caractérisé en ce que le renvoi du ruban de fibres (3) dans le pré-condenseur (8) est réalisé par une rangée supérieure et une rangée inférieure de barrettes (11a à 11d ; 12a à 12d), qui sont agencées décalées l'une de l'autre.
  9. Nappeur selon la revendication 8, caractérisé en ce que les rangées de barrettes (11a à 11 d; 12a à 12d) sont ajustables l'une à l'autres en directions horizontale et verticale.
  10. Nappeur selon l'une des revendications précédentes 8 à 9, caractérisé en ce que chaque barrette (11a à 11d, 12a à 12d) est ajustable en directions horizontale et verticale.
  11. Nappeur selon l'une des revendications précédentes 8 à 10, caractérisé en ce que les faces frontales des barrettes (11a à 11 d, 12a à 12d), qui renvoient le ruban de fibres (3), ont un contour arrondi et/ou un bord tranchant.
  12. Nappeur selon l'une des revendications précédentes 8 à 11, caractérisé en ce que les barrettes (11a à 11 d, 12a à 12d) sont aménagées comme cylindres ronds.
  13. Nappeur selon la revendication 12, caractérisé en ce que les barrettes (11a à 11 d, 12a à 12d) sont aménagées de façon rotative en la direction du flux de matériel ou à l'opposé de cette direction.
EP14723330.8A 2013-10-01 2014-05-07 Étaleur-nappeur et procédé de fabrication d'une nappe à partir de rubans de fibres Active EP3052681B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013110914.4A DE102013110914A1 (de) 2013-10-01 2013-10-01 Wattenmaschine und Verfahren zur Herstellung einer Watte aus Faserbändern
PCT/EP2014/001207 WO2015049016A1 (fr) 2013-10-01 2014-05-07 Étaleur-nappeur et procédé de fabrication d'une nappe à partir de rubans de fibres

Publications (2)

Publication Number Publication Date
EP3052681A1 EP3052681A1 (fr) 2016-08-10
EP3052681B1 true EP3052681B1 (fr) 2021-07-07

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EP14723330.8A Active EP3052681B1 (fr) 2013-10-01 2014-05-07 Étaleur-nappeur et procédé de fabrication d'une nappe à partir de rubans de fibres

Country Status (5)

Country Link
EP (1) EP3052681B1 (fr)
CN (1) CN105705691B (fr)
BR (1) BR112016007207B8 (fr)
DE (1) DE102013110914A1 (fr)
WO (1) WO2015049016A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106586646B (zh) * 2017-01-23 2018-08-21 浏阳市博创花炮科技机械有限公司 一种卷筒机的纸张除皱及疏解装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19500189A1 (de) * 1995-01-05 1996-07-11 Rieter Ingolstadt Spinnerei Verfahren zur Anpreßung eines Tastorgans an einen Faserverband in einer Bandführung und Vorrichtung zu deren Erzeugung
WO2008040704A1 (fr) * 2006-10-02 2008-04-10 Rieter Ingolstadt Gmbh Dispositif pour une machine textile destiné à mesurer le poids spécifique à la longueur et/ou l'humidité d'une quantité de fibre défilante en écheveau, ainsi que machine textile

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CH682565A5 (de) * 1990-07-02 1993-10-15 Rieter Ag Maschf Regelung der Kämmaschine.
CH681309A5 (en) 1990-05-23 1993-02-26 Rieter Ag Maschf Staple fibre combing method - using installation of narrow machines fed from sliver to obtain high speed prodn.
DE19706831A1 (de) * 1996-03-01 1997-09-04 Rieter Ag Maschf Verstellbare Führungselemente
DE19707206A1 (de) * 1997-02-24 1998-08-27 Rieter Ag Maschf Herstellung eines Faserbandes aus Natur- und Kunstfasern
JP2001504903A (ja) * 1997-09-08 2001-04-10 ツリュツラー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト カード、練条機などの紡績準備機械に設けた、繊維束を案内して集束するための装置
US7103440B2 (en) * 2001-12-11 2006-09-05 Rieter Ingolstadt Spinnereimaschinenbau Ag Use of microwaves for sensors in the spinning industry
DE10320452A1 (de) 2003-05-08 2004-11-25 Maschinenfabrik Rieter Ag Verfahren zur Faserbandbehandlung in der Kämmerei, Kannengestell für Kämmereimaschinen sowie Maschine in der Kämmerei
DE10356913A1 (de) * 2003-12-02 2005-07-07 Wilhelm Stahlecker Gmbh Streckwerk für Spinnmaschinen
DE102005006273A1 (de) * 2004-04-21 2005-11-10 Trützschler GmbH & Co KG Vorrichtung zum Verfestigen eines förderbaren Faservlieses, z. B. aus Baumwolle, Chemiefasern o. dgl.
CH697734B1 (de) 2005-07-26 2009-01-30 Rieter Agpatente Und Lizenzen Textilmaterial verarbeitende Maschine.
DE102008011492A1 (de) * 2008-02-20 2009-08-27 Wilhelm Stahlecker Gmbh Verdichter für eine Faserverdichtungseinrichtung und Pufferelement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19500189A1 (de) * 1995-01-05 1996-07-11 Rieter Ingolstadt Spinnerei Verfahren zur Anpreßung eines Tastorgans an einen Faserverband in einer Bandführung und Vorrichtung zu deren Erzeugung
WO2008040704A1 (fr) * 2006-10-02 2008-04-10 Rieter Ingolstadt Gmbh Dispositif pour une machine textile destiné à mesurer le poids spécifique à la longueur et/ou l'humidité d'une quantité de fibre défilante en écheveau, ainsi que machine textile

Also Published As

Publication number Publication date
EP3052681A1 (fr) 2016-08-10
WO2015049016A1 (fr) 2015-04-09
CN105705691A (zh) 2016-06-22
BR112016007207B8 (pt) 2022-07-05
CN105705691B (zh) 2017-12-15
BR112016007207A2 (pt) 2017-08-01
DE102013110914A1 (de) 2015-04-02
BR112016007207B1 (pt) 2021-12-28

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