EP2716801B1 - Plisseur transversal et procédé de fonctionnement d'un plisseur transversal - Google Patents

Plisseur transversal et procédé de fonctionnement d'un plisseur transversal Download PDF

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Publication number
EP2716801B1
EP2716801B1 EP13003587.6A EP13003587A EP2716801B1 EP 2716801 B1 EP2716801 B1 EP 2716801B1 EP 13003587 A EP13003587 A EP 13003587A EP 2716801 B1 EP2716801 B1 EP 2716801B1
Authority
EP
European Patent Office
Prior art keywords
belt
crosslapper
laying
batt
feed
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.)
Active
Application number
EP13003587.6A
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German (de)
English (en)
Other versions
EP2716801A3 (fr
EP2716801A2 (fr
Inventor
Bernhard RÜBENACH
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
Original Assignee
Truetzschler 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 Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP2716801A2 publication Critical patent/EP2716801A2/fr
Publication of EP2716801A3 publication Critical patent/EP2716801A3/fr
Application granted granted Critical
Publication of EP2716801B1 publication Critical patent/EP2716801B1/fr
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Anticipated expiration legal-status Critical

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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
    • D01G25/00—Lap-forming devices not integral with machines specified above

Definitions

  • the invention relates to a cross-stacker for forming a nonwoven fabric from several layers of batt.
  • the invention relates to an associated method for operating the itlegers.
  • carding machines For the production of multi-ply nonwovens carding machines are usually used with subsequent stackers.
  • fiber flocks are fed on the inlet side, which are dissolved up to the individual fiber and output on the outlet side as an unconsolidated textile fabric, the batt.
  • Inlet belt runs the batt without covering and is exposed to the caused by the superstructure movement in addition to the rotation of the guide roller influences. Due to the changing directions of superstructure and laying carriage can occur depending on, inter alia, the laying width and the acceleration of the laying carriage on the associated guide rollers peripheral speeds up to five times the incoming pile speed. The centrifugal forces acting on the batt increase with the square of the respective peripheral speed. The open and without leadership around the outer periphery of the guide roller of the superstructure running batt is therefore exposed to highly fluctuating loads. These influence the quality of the crossed product considerably. In the areas of belt deflection, in which the batt is supported only by a roller, there is an undesirable open gusset, which limits the running speed of the cross straightener.
  • the EP 1367166 A1 describes a cross-stacker, in which the guide rollers are formed as suction rollers to hold at the vertical deflection of the batt from an upper to a lower band the batt on the guide roller. Furthermore, this document provides to support the batt in a limited area of the guide rollers with guide means in the form of bands from the outside. In the area of the guide rollers, the batt thus becomes of two belts chambered.
  • the evacuated deflection rollers increase the cost of operation and increase the investment costs due to the complex roll construction.
  • the stacker for forming a nonwoven fabric of several layers of fluff comprises at least one endless circulating infeed belt, which promotes the batt from the inlet region of the cross stacker to a laying nip of a laying carriage, further comprising an endlessly circulating cover strip, which on the batt on fixed to the infeed belt, the shroud fixing the batt on the infeed belt from the inlet area of the crossfeeder to the laying nip.
  • the shroud is a deflection roller in the inlet region of the cross-lapping, to a guide roller in the superstructure and led to a laying roller in the laying carriage.
  • the batt is transported without interruption in the leadership of the inlet area of the cross stacker on the superstructure to laying carriage to emerge there from the Legespalt.
  • a further improvement of the invention is achieved in that the shroud is arranged in the inlet region of the cross stacker at an acute angle to the inlet belt. This can be better removed in the inlet region by the transport speed of the batt into the cross stacker incoming trailing air.
  • the shroud has openings through which the air can escape.
  • the shroud is designed as a sieve belt.
  • the shroud is operated at the same speed as the infeed belt.
  • the carriage carriage speed can be increased or decreased relative to the line speed of the web.
  • the method according to the invention for operating a cross-lapper in which a batt with an infeed belt is transported from the inlet area of the crosslapper to a laying nip, is characterized in that the batt is fixed to the infeed belt by a cover belt from the inlet area of the cross-stacker to the laying nip.
  • the infeed belt and the shroud are operated at the same speed. This avoids unwanted distortions.
  • the carriage carriage speed can be increased or decreased relative to the entry speed of the batt to stretch or compress the batt.
  • FIG. 1 is exemplary and only schematically illustrates the principle of a cross-lapper according to the prior art.
  • the batt 3 is transported to an infeed conveyor 2 of a cross-stacker 1.
  • an upper carriage is arranged, in which in this illustration only one guide roller 6 can be seen.
  • the stacker 1 has a laying carriage, of which a laying roller 10 for a counter-belt 13 and a laying roller 9 for the inlet belt 2 are shown.
  • the so-called laying gap 11 is arranged, from which the batt 3 exits and is placed on a below the laying carriage arranged not shown tape.
  • Both laying rollers 9, 10 assume the direction of travel, the task, the batt 3 orthogonal to the previous direction to put on the belt arranged below the laying carriage and thereby fold.
  • the laying carriage moves continuously in the horizontal direction back and forth over a preset width.
  • the infeed belt 2 is deflected at least by a first and second deflection roller 4, 5 and around a deflection roller 6 of the superstructure.
  • a shroud 7 is arranged, which is guided in this illustration to a guide roller 8, a guide roller 6 of the upper carriage and a further guide roller 12.
  • Both bands 2, 7 are designed as endless belts which are driven on at least one further deflection roller, not shown.
  • the infeed belt 2 and the shroud 7 do not run parallel, but form an open angle to the carding machine, in which the fiber web 3 is pulled in and slightly compressed.
  • the batt 3 is guided around the deflection roller 6 of the superstructure around, wherein the shroud 7 is discharged laterally by means of the guide roller 12.
  • an infeed belt 2 is guided at least around a first and second deflection roller 4, 5, around the deflection roller 6 of the superstructure and around the laying roller 9 of the laying carriage.
  • the shroud 7 runs at least around the guide roller 8, the guide roller 6 of the superstructure and the laying roller 10 of the laying carriage.
  • Both bands 2, 7 are designed as endless belts which are driven on at least one further deflection roller, not shown.
  • the inlet region of the cross straightener is formed by the first deflection roller 4 with the inlet belt 2. Above the guide roller 4, the guide roller 8 of the shroud 7 is arranged.
  • the batt 3 is transported from the inlet area of the cross stacker 1 without tape change to the laying gap 11 of the laying carriage. This avoids all open gussets as well as unwanted floating delays.
  • the shroud 7 and the infeed belt 2 run at an acute angle or wedge-shaped toward one another, in which the fiber web 3 is drawn in and slightly compacted.
  • the shroud 2 is designed so that the entrained air can escape, for example via openings in the belt. For this purpose, in particular sieve belts are suitable. The fact that the shroud 7 is guided completely around the deflection roller 6 of the superstructure, no open gusset is formed.
  • the shroud 7 rotates around the three rollers 8, 6, 10, each with approximately 180 °, the shroud 7 undergoing three changes of direction.
  • the batt 3 is first transported by the inlet belt 2 with the shroud 7 from the inlet region of the cross stacker 1 to the superstructure, there to the guide roller. 6 of the superstructure steered around 180 ° to exit from the Leg gap 11.
  • the laying carriage speed can be increased or decreased relative to the entry speed of the batt. That is, the laying rollers 9 and 10 move faster in the horizontal reciprocating direction.

Landscapes

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

Claims (11)

  1. Etaleur-nappeur pour la formation d'un non-tissé à partir de plusieurs couches de voile, comprenant au moins une bande d'alimentation (2) circulant en continu et acheminant le voile (3) de la zone d'entrée de l'étaleur-nappeur (1) à une fente de pose (11) d'un chariot de matelassage, comprenant en outre une bande de couverture (7) circulant en continu et fixant le voile (3) sur la bande d'alimentation (2), caractérisé en ce que la bande de couverture (7) fixe le voile (3) sans interruption sur la bande d'alimentation (2) de la zone d'entrée de l'étaleur-nappeur (1) à la fente de pose (11).
  2. Etaleur-nappeur selon la revendication 1, caractérisé en ce que la bande de couverture (7) est guidée autour d'au moins un rouleau de renvoi (8) dans la zone d'entrée de l'étaleur-nappeur (1), autour d'un rouleau de renvoi (6) du chariot supérieur et autour d'un rouleau de pose (10) du chariot de matelassage.
  3. Etaleur-nappeur selon la revendication 1, caractérisé en ce que la bande de couverture (7) est disposée dans la zone d'entrée de l'étaleur-nappeur (1) suivant un angle aigu par rapport à la bande d'alimentation (2).
  4. Etaleur-nappeur selon la revendication 1, caractérisé en ce que la bande de couverture (7) présente des orifices.
  5. Etaleur-nappeur selon la revendication 4, caractérisé en ce que la bande de couverture (7) est réalisée comme bande perforée.
  6. Etaleur-nappeur selon l'une des revendications précédentes, caractérisé en ce que la bande de couverture (7) a la même vitesse que la bande d'alimentation (2).
  7. Etaleur-nappeur selon l'une des revendications précédentes, caractérisé en ce que la bande de couverture (7) a une vitesse supérieure ou inférieure à celles de la bande d'alimentation (2).
  8. Procédé de fonctionnement d'un étaleur-nappeur, où un voile (3) est transporté sur une bande d'alimentation (2) d'une zone d'entrée de l'étaleur-nappeur (1) à une fente de pose (11), caractérisé en ce que le voile (3) est fixé par une bande de couverture (7) sur la bande d'alimentation (2) sans interruption de la zone d'entrée de l'étaleur-nappeur (1) à la fente de pose (11).
  9. Procédé selon la revendication 8, caractérisé en ce que la bande d'alimentation (2) et la bande de couverture (7) sont entraînées à la même vitesse.
  10. Procédé selon la revendication 8, caractérisé en ce que la bande d'alimentation (2) et la bande de couverture (7) sont entraînées à des vitesses différentes.
  11. Procédé selon la revendication 8, exécuté avec une installation selon les revendications 1 à 7.
EP13003587.6A 2012-10-02 2013-07-17 Plisseur transversal et procédé de fonctionnement d'un plisseur transversal Active EP2716801B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012019363.7A DE102012019363A1 (de) 2012-10-02 2012-10-02 Kreuzleger und Verfahren zum Betreiben eines Kreuzlegers

Publications (3)

Publication Number Publication Date
EP2716801A2 EP2716801A2 (fr) 2014-04-09
EP2716801A3 EP2716801A3 (fr) 2015-05-13
EP2716801B1 true EP2716801B1 (fr) 2016-09-07

Family

ID=48808140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13003587.6A Active EP2716801B1 (fr) 2012-10-02 2013-07-17 Plisseur transversal et procédé de fonctionnement d'un plisseur transversal

Country Status (3)

Country Link
EP (1) EP2716801B1 (fr)
CN (1) CN103710884B (fr)
DE (1) DE102012019363A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3015577A1 (fr) * 2014-10-27 2016-05-04 Oskar Dilo Maschinenfabrik KG Étaleur-nappeur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29518587U1 (de) * 1995-11-23 1997-04-10 Autefa Maschinenfab Vliesleger
FR2840326B1 (fr) 2002-05-28 2004-07-30 Asselin Chariot mobile d'entree d'etaleur-nappeur et etaleur-nappeur equipe dudit chariot
DE202004020165U1 (de) * 2004-12-23 2006-05-04 Autefa Automation Gmbh Vliesleger
DE102006028448A1 (de) 2006-06-21 2007-12-27 ERKO Trützschler GmbH Kreuzleger
DE102010050027A1 (de) * 2010-11-02 2012-05-03 Trützschler Nonwovens Gmbh Kreuzleger
EP2479321A1 (fr) * 2011-01-19 2012-07-25 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur

Also Published As

Publication number Publication date
EP2716801A3 (fr) 2015-05-13
DE102012019363A1 (de) 2014-04-03
CN103710884B (zh) 2017-10-17
EP2716801A2 (fr) 2014-04-09
CN103710884A (zh) 2014-04-09

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