EP1870499A2 - Etaleur-nappeur - Google Patents

Etaleur-nappeur Download PDF

Info

Publication number
EP1870499A2
EP1870499A2 EP07012112A EP07012112A EP1870499A2 EP 1870499 A2 EP1870499 A2 EP 1870499A2 EP 07012112 A EP07012112 A EP 07012112A EP 07012112 A EP07012112 A EP 07012112A EP 1870499 A2 EP1870499 A2 EP 1870499A2
Authority
EP
European Patent Office
Prior art keywords
fiber composite
belt
deflection point
fleece
cover
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
EP07012112A
Other languages
German (de)
English (en)
Other versions
EP1870499A3 (fr
EP1870499B1 (fr
Inventor
Erwin Koch
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 Nonwovens GmbH
Original Assignee
Erko Truetzschler 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 Erko Truetzschler GmbH filed Critical Erko Truetzschler GmbH
Publication of EP1870499A2 publication Critical patent/EP1870499A2/fr
Publication of EP1870499A3 publication Critical patent/EP1870499A3/fr
Application granted granted Critical
Publication of EP1870499B1 publication Critical patent/EP1870499B1/fr
Active 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
    • 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 stacker according to the preamble of claim 1.
  • the restoring forces of the fibers cause them to rise again from their initially compressed orientation so that the fiber composite "recovers" from the compressive stress and takes in air again.
  • This air entrapment as well as the centrifugal forces acting on the fiber composite at the deflection point cause the fabric of the fiber composite to set up at the first deflection point, so that the undesired formation of bubbles or wrinkles occurs. If uncontrolled distortions of the fiber composite then occur, the weak, very loose cohesion of the batt or fiber fleece can be destroyed and the fiber composite torn.
  • a crosslapper according to the preamble of claim 1 is known, which can be referred to with its horizontal depositing device as a so-called Flachtäfler.
  • the fiber composite is transported between an infeed belt and a cover strip up to a first deflection point in order to be able to transport and stretch the fiber composite in this way.
  • the design of the cover is not explained in detail.
  • the invention has for its object to improve a generic crosslapper to the effect that this ensures the gentlest possible and controlled handling of the fiber composite and prevents the formation of bubbles or wrinkles at the first deflection as reliable as possible.
  • the invention proposes to press the air in a controlled manner from the fiber composite by the masking tape leads the fiber composite under pressure. This venting takes place until the fiber composite reaches the first deflection, so that the time required for a recovery of the fiber composite due to the restoring forces of the individual fibers, the fiber composite is not available.
  • the cover allows a leading away from the fiber composite air transport through the masking tape.
  • z. B. by the fibers are separated by the air, which escapes between two closed transport and Abdeckb skilledn.
  • a closed conveyor belt and a venting possible, z. B. perforated masking tape may be provided.
  • the incoming from the carding batt may, as proposed, go through the dynamic movements of the designed as a wagon or as a repeater Kreuzlegers unchanged, so without unwanted compression, stretching or wrinkling.
  • the fiber composite is according to the proposal still vented immediately before the first deflection, so that caused by the air entrapment such as blistering or wrinkling can not occur and accordingly the fiber composite can be deflected undisturbed. Since the fiber composite is covered by a masking tape, the vent can easily be flat and over a longer distance of the fiber composite during its transport on the infeed belt, and not just linear as by means of a pressure roller.
  • the masking tape can be provided on only a comparatively short distance before the first deflection point, if this is sufficient for the desired ventilation of the fiber composite, to lead these easily around the first deflection point to be able to.
  • it can be provided to cover the fiber composite over a long distance with a masking tape, so that particularly high belt speeds are possible without destroying the fiber composite by air turbulence, so that the fiber composite optimally protected between a conveyor belt - like the inlet belt - and the cover strip is.
  • the cover strip can assist deflection of the fiber composite that is as gentle as possible on the material by the cover strip either following the first deflection point over part of its circumference.
  • it can be repeatedly guided to the first deflection point, for example several times to the circumference of a deflection roller, for example by means of a plurality of deflection rollers.
  • the fiber composite may be advantageous to cover the fiber composite not only up to and at the first deflection point, but on its way through the stacker over large sections of the path or even as completely as possible.
  • the arrangement of one or more further masking tapes and / or pressure rollers may be provided.
  • these other masking tapes may have corresponding air channels, for example, designed as a screen belts, but also the pressure rollers may have air channels, for example, be perforated.
  • the problem could exist that the air trapped between the infeed belt and the cover strip forces the fiber composite apart and destroys the structure of the fiber composite required for correct placement of the fiber composite. Provisional is therefore provided that the cover reliably allows the venting of the fiber composite. It may be provided for this purpose with air channels that allow a leading away from the fiber composite air transport through the masking tape. For thicker masking the air transport can be done, for example, within the cover, for example, to lateral outlet openings.
  • the desired pressure forces on the fiber composite enabling and economically producible cover band can be advantageously designed as a wire, ie with air channels that extend across the surface of the cover strip and only so long how the masking tape is thick.
  • a voluminous fiber composite may be provided to achieve higher contact forces, make the cover strip obliquely against the inlet belt, so that the fiber composite is guided in a wedge-shaped gap between the inlet belt and masking tape and is continuously vented more.
  • a stacker is generally designated by 1, wherein a fiber composite 2 is fed as a ribbon-shaped sheet from a card as a nonwoven or batt to the cross stacker 1.
  • a first pressure roller 3 the direction of movement of the fiber composite 2 is deflected and at the same time air is forced out of the fiber composite.
  • the fiber composite 2 passes via an infeed conveyor 4 to a first deflection point 5 of the crosslapper 1.
  • the first deflection point 5 upstream and zooming to this first deflection point 5 a designed as a screen cover band 6 is provided which the ventilation of the fiber composite 2 to the deflection point. 5 ensures.
  • the cover strip 6 extends adjacent to the fiber composite 2 almost from the first pressure roller 3 to the first deflection point 5.
  • the infeed belt 4 is angled in front of the first deflection point 5, so that the cover strip 6 in this last, angled region of the inlet belt 4 before the first deflection point 5 the wedge belt 4 can be supplied wedge-shaped and a steadily decreasing gap causes, in which the fiber composite 2 is guided, so that the fiber composite 2 is continuously vented more within this gap until it reaches the first deflection point 5.
  • the fiber composite 2 to vent and occurring at these deflection 5 centrifugal forces acting on the fiber composite counteract, so that the composite of the individual fibers within the fiber composite 2 as undisturbed remains and the formation of bubbles or wrinkles in the region of the first deflection point 5 is reliably avoided.
  • pressure rollers 8 are provided, which also serve as deflection rollers to guide the cover strip 6 and a possibly further, lower cover strip 9.
  • the region of the first deflection point 5 is in the embodiment of Fig. 1 laterally movable back and forth, ie in the longitudinal direction of the fiber composite 2.
  • the fiber composite 2 runs from this first deflection point 5 to a storage location 10, which, as can be seen from the arrows , Is also mounted to move back and forth so that they can store the fiber composite 2 on a conveyor belt which is transverse to the inlet belt 4 and transverse to the paper plane of Fig. 1, so that the fiber composite 2 is folded zigzag folded on this conveyor belt, not shown in the drawings.
  • this second storage location 10 always leads and lags constantly in comparison to the speed of the infeed belt 4, the lateral mobility of the first deflection point 5 serves to prevent otherwise occurring loosening or tensile stresses in the fiber composite 2 due to this advance and lagging of the storage location.
  • pulleys 11 can be arranged in the region of this storage location 10 so that they cause there as a pressure rollers there is a venting of the fiber composite 2, where the fiber composite is guided in a curve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • De-Stacking Of Articles (AREA)
EP07012112A 2006-06-21 2007-06-21 Etaleur-nappeur Active EP1870499B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006028448A DE102006028448A1 (de) 2006-06-21 2006-06-21 Kreuzleger

Publications (3)

Publication Number Publication Date
EP1870499A2 true EP1870499A2 (fr) 2007-12-26
EP1870499A3 EP1870499A3 (fr) 2008-06-18
EP1870499B1 EP1870499B1 (fr) 2010-07-28

Family

ID=38582126

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07012112A Active EP1870499B1 (fr) 2006-06-21 2007-06-21 Etaleur-nappeur

Country Status (3)

Country Link
EP (1) EP1870499B1 (fr)
AT (1) ATE475729T1 (fr)
DE (2) DE102006028448A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012059272A1 (fr) * 2010-11-02 2012-05-10 Trützschler Nonwovens Gmbh Machine de croisement de voile
CN103189554A (zh) * 2010-11-02 2013-07-03 特吕茨勒非织造布有限公司 交叉铺网机
DE102013101398A1 (de) * 2013-02-13 2014-08-14 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung und Verfahren zur Beeinflussung des Flächengewichtsprofils eines Faserflors
US9814176B2 (en) 2014-11-26 2017-11-14 Cnh Industrial Canada, Ltd. Belted seed transfer mechanism
WO2018162369A1 (fr) 2017-03-09 2018-09-13 Andritz Asselin-Thibeau Etaleur-nappeur

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010050028A1 (de) 2010-11-02 2012-05-03 Trützschler Nonwovens Gmbh Vliesbandleger
EP2479321A1 (fr) 2011-01-19 2012-07-25 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur
DE102012019363A1 (de) 2012-10-02 2014-04-03 Trützschler GmbH & Co Kommanditgesellschaft Kreuzleger und Verfahren zum Betreiben eines Kreuzlegers
DE102013105249B3 (de) * 2013-05-23 2014-11-20 TRüTZSCHLER GMBH & CO. KG Kreuzleger
EP3015577A1 (fr) 2014-10-27 2016-05-04 Oskar Dilo Maschinenfabrik KG Étaleur-nappeur
EP3150753B1 (fr) 2015-09-30 2020-01-08 Oskar Dilo Maschinenfabrik KG Dispositif pour faire avancer un voile ou une nappe de non-tissé

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19543623A1 (de) 1995-11-23 1997-05-28 Hergeth Hollingsworth Gmbh I K Florleger, sowie Verfahren zum Herstellen eines Vlieses
EP1136600A1 (fr) 2000-03-13 2001-09-26 Automatex S.r.l. Appareil etaleur-nappeur pour de voiles cardeuses
DE10250089A1 (de) 2002-10-25 2004-05-06 Oskar Dilo Maschinenfabrik Kg Steilarm-Vliesleger und Vorrichtung zum Erzeugen eines kreuzgelegten Faservlieses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3125946A1 (de) * 1981-07-01 1983-01-20 Oskar Dilo Maschinenfabrik Kg, 6930 Eberbach "florleger"
DE29518587U1 (de) * 1995-11-23 1997-04-10 Autefa Maschinenfabrik GmbH, 86316 Friedberg Vliesleger
DE202005006840U1 (de) * 2005-04-27 2006-08-31 Oskar Dilo Maschinenfabrik Kg Vliesleger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19543623A1 (de) 1995-11-23 1997-05-28 Hergeth Hollingsworth Gmbh I K Florleger, sowie Verfahren zum Herstellen eines Vlieses
EP1136600A1 (fr) 2000-03-13 2001-09-26 Automatex S.r.l. Appareil etaleur-nappeur pour de voiles cardeuses
DE10250089A1 (de) 2002-10-25 2004-05-06 Oskar Dilo Maschinenfabrik Kg Steilarm-Vliesleger und Vorrichtung zum Erzeugen eines kreuzgelegten Faservlieses

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012059272A1 (fr) * 2010-11-02 2012-05-10 Trützschler Nonwovens Gmbh Machine de croisement de voile
CN103189554A (zh) * 2010-11-02 2013-07-03 特吕茨勒非织造布有限公司 交叉铺网机
CN103221591A (zh) * 2010-11-02 2013-07-24 特吕茨勒非织造布有限公司 交叉铺网机
DE102013101398A1 (de) * 2013-02-13 2014-08-14 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung und Verfahren zur Beeinflussung des Flächengewichtsprofils eines Faserflors
DE102013101398B4 (de) * 2013-02-13 2015-10-29 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung und Verfahren zur Beeinflussung des Flächengewichtsprofils eines Faserflors
US9814176B2 (en) 2014-11-26 2017-11-14 Cnh Industrial Canada, Ltd. Belted seed transfer mechanism
WO2018162369A1 (fr) 2017-03-09 2018-09-13 Andritz Asselin-Thibeau Etaleur-nappeur
FR3063741A1 (fr) * 2017-03-09 2018-09-14 Andritz Asselin Thibeau Etaleur nappeur

Also Published As

Publication number Publication date
EP1870499A3 (fr) 2008-06-18
DE102006028448A1 (de) 2007-12-27
DE502007004536D1 (de) 2010-09-09
EP1870499B1 (fr) 2010-07-28
ATE475729T1 (de) 2010-08-15

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