EP2635728A1 - Machine de croisement de voile - Google Patents

Machine de croisement de voile

Info

Publication number
EP2635728A1
EP2635728A1 EP11760479.3A EP11760479A EP2635728A1 EP 2635728 A1 EP2635728 A1 EP 2635728A1 EP 11760479 A EP11760479 A EP 11760479A EP 2635728 A1 EP2635728 A1 EP 2635728A1
Authority
EP
European Patent Office
Prior art keywords
belt
laying
counter
roller
plane
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
EP11760479.3A
Other languages
German (de)
English (en)
Other versions
EP2635728B1 (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 Nonwovens GmbH
Original Assignee
Truetzschler Nonwovens GmbH
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 Truetzschler Nonwovens GmbH, Erko Truetzschler GmbH filed Critical Truetzschler Nonwovens GmbH
Publication of EP2635728A1 publication Critical patent/EP2635728A1/fr
Application granted granted Critical
Publication of EP2635728B1 publication Critical patent/EP2635728B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 or a method for forming a nonwoven according to the preamble of the device claim or the method claim.
  • a stacker of the generic type shows the EP 1 870 499 Bl or EP 0 865 521 Bl.
  • Such a stacker consists of an endlessly circulating infeed belt, on which the Flor to be laid is transported into the Leger.
  • This infeed belt is additionally associated with a pile covering the pile, which runs in opposite directions and at the same rotational speed to the inlet belt.
  • the pile is held pressed between the infeed conveyor and the shroud.
  • a in the transport direction of the supplied pile movably mounted and periodic movements exporting superstructure has guide rollers for the cover and the infeed belt.
  • the first held between inlet and shroud pile is now transferred to a counter-belt and kept following between counter and inlet belt.
  • the counter-belt runs at the same speed as the infeed belt and is likewise deflected by a deflection roller arranged in the superstructure.
  • the pile is conveyed to a movably mounted laying carriage, which has deflection rollers (laying rollers) for the two belts.
  • the two parallel laying rollers for the entry and the counter belt form a delivery point (laying nip) for the pile to be laid, which is then deposited on a take-off belt running below the laying carriage orthogonal to the pile direction.
  • the laying carriage performs periodic movements across the width of the fleece to be laid.
  • the superstructure moves depending on the movement of the laying carriage.
  • Infeed and counterbelt are guided over further deflection rollers around the withdrawal belt to below the take-off belt, where correspondingly mounted deflection rollers are arranged, which carry out compensating movements as a function of the movements of the top and the laying carriage.
  • On the underside of the transverse to the take-off belt periodically moving carriage run infeed and counter-belt horizontally stretched to lying outside the discharge belt guide rollers.
  • the inlet or the counter-belt has twice the speed of the laying carriage (the laying speed of the pile).
  • the high relative speed between the belt and pile surface surface of the laid fleece) occurs in the direction of travel of the laying carriage before this, so where no pile is guided.
  • Desired is a narrow material guide in the storage area, but the horizontally stretched bands also have a slack. It comes to friction, touches between tape and pile, which can possibly cause electrostatic effects. Uncontrolled shifts are the result. The high speed difference between the bands of the cross stacker and the surface of the deposited pile leads to such a qualitative deterioration of the product surface.
  • EP 1 975 286 A1 describes a carriage type lorry in which the laying carriage has two laying rollers around which conveyor belts are guided.
  • the upper and lower run of the two conveyor belts is guided in parallel by a respective spreading device, depending on a deflection roller with a smaller diameter than the distance of the strands is in height switchable executed.
  • the laid pile is covered over the entire laying width with the deflecting roller lowered.
  • the deflecting roller leading during laying is raised so that the belt runs upwards at an acute angle between this deflecting roller and the guide roller of the spreading device arranged upstream of the guide roller.
  • the belt runs parallel to the take-off belt and possibly with contact to the laid pile.
  • the present invention is therefore based on a cross-lapper for forming a nonwoven fabric consisting of several pile layers, consisting of an endlessly circulating infeed belt, a counter-belt and endless endless belt at the same speed, with infeed and counter belt being guided around two adjacent laying rollers forming a laying gap are, wherein these laying rollers are arranged in a laying carriage, which is mounted above a movable web to be laid withdrawal tape transversely to this movable and periodically back and forth, wherein the two bands stretched on both sides of the laying ⁇ gap parallel to the plane of the draw-off tape in the Leger arranged deflection rollers run.
  • the object of the present invention is to improve such a device, in particular in the direction of storage and product quality.
  • switching means are provided, through which the inlet and counter belt of the can be deflected out parallel to the plane of the drawstring level out.
  • the switching means are in this case controlled in dependence of the movement of the laying carriage. This takes place in such a way that the band in front in the direction of travel of the carriage is continuously raised by a support roller and thus moves upwards at an angle from the plane originally parallel to the plane of the withdrawal belt. The rear in the direction of travel of the laying carriage belt is not raised and remains in the originally parallel plane and thus covers the newly deposited pile.
  • the infeed and counterstrip are deflected directly from the respective laying roller of the laying carriage continuously and alternately out of the plane extending parallel to the plane of the drawing-off belt.
  • the switching means by which the clocked raising and lowering of the bands takes place in dependence on the laying carriage movement, are for this purpose in signal communication with the controller of the drives controlling.
  • the switching means are each associated with a deflecting roller which is movably mounted so as to be adjustable in the positioner.
  • the guide rollers run to which inlet and counter belt, are mounted deflectable substantially in the vertical direction, each coupled to a switching means and so in the bars of Legewagenterrorism are controllable.
  • the switching means are each associated with a support roller acting on the Einiauf- and the counter-belt. In this embodiment ⁇ form the Einiauf- and the laying belt is assigned in the region between the guide roller and the laying roller of the laying carriage depending on a support roller, which each have a hinged
  • Switching means is actuated.
  • the respective strip runs parallel to the plane of the draw-off strip. According to the tension of the belt, this is slightly on the support roller.
  • the band now runs upwards from the laying roller at an angle to the support roller and from there back down to the deflection roller which is stationarily arranged in the positioner.
  • the band experiences so three deflections.
  • Support and guide rollers are located outside the laying area next to the discharge belt.
  • this additional back-up roller is that the band will receive support even when not raised.
  • the support roller may in this case be placed directly on the edge of the draw-off belt, so that the sagging distance of the belt between the laying roller and the support roller is minimized.
  • Switching means may be electromotive drives, with which the lifting and lowering movement is controlled according to a predetermined kinematics.
  • the lifting and lowering movements without negative force on the belt movement and thus perform the laying process.
  • the switching means may also be actuated as drives which can be acted upon by a fluid medium, ie hydraulically / pneumatically be guided, in this embodiment, the admission of the corresponding drives, cylinders with the working medium via electrically switchable valves.
  • a fluid medium ie hydraulically / pneumatically be guided, in this embodiment, the admission of the corresponding drives, cylinders with the working medium via electrically switchable valves.
  • Figures 1 and 2 a Leger - once with forward and again with réelle furnisheddem laying carriage
  • Fig. 3 shows an alternative embodiment in which the guide rollers on both sides of the discharge belt can be raised.
  • a pile F is placed on a continuous endless inlet belt E.
  • the direction of movement of the pile F is indicated by the arrow.
  • the pile F has the speed vF, with which the infeed conveyor E revolves.
  • the infeed conveyor E is tensioned around deflecting rollers UE1-UE5, and also around a deflecting roller O arranged in a superstructure, not shown, which performs periodic reciprocating movements with the superstructure.
  • the superstructure moves with the guide roller O in the direction of the arrow from left to right.
  • the infeed belt E further runs around two laying rollers LE, LG, which are arranged in a laying carriage LW parallel to each other.
  • the two laying rollers LE, LG form a laying gap LS.
  • a counter belt G is guided around guide rollers UG1 - UG5, also still in the carriage LW to the laying roller LG.
  • the counter-belt G runs in the opposite direction to the intake belt E and at the same speed as this.
  • the Flor F will be released during the Moving the upper carriage of the guide roller O passed on the counter-belt G and then held in the area between the guide roller O and roller LG between inlet and counter belt E, G.
  • the pile F leaves the laying carriage LW via the laying gap LS between the laying rollers LE, LG and is laid on the moving draw-off belt AB to the layers of the fleece V.
  • the take-off belt AB runs at right angles to the direction of movement of the laying carriage LW and the belts E, G stretched by the laying rollers LE, LG to the guide rollers UE1, UG1.
  • the laying carriage LW travels from left to right over the withdrawal belt AB for the fleece V to be laid.
  • the delivery speed of the fleece F is vF.
  • the superstructure with the deflection roller O moves in the illustrated laying phase with the speed 0.5 x V F also from left to right.
  • the laying carriage moves at a medium speed V F across the trigger table.
  • the infeed belt E lies in the area between the laying roller LE and the deflection roller UE1 without relative speed on the layers of the fleece V.
  • FIG. 2 shows the second phase of the laying process, in which the laying carriage L moves from right to left and accordingly places another layer.
  • the support roller SG is now lowered so that the counter-belt G is placed on the fleece without relative movement.
  • the left support roller SE is now raised by activating the switching means SSE and, similarly to the situation of FIG. 1, lifts the infeed conveyor E from the web V.
  • the switching means SSE, SSG of the support rollers SE, SG are connected to a controller, not shown, which also carries out the control of the drives for the individual bands E, G and the laying carriage LW.
  • the activation of the switchable means SSE, SSG takes place exactly in synchronism with the movement of the laying carriage LW.
  • Figure 3 shows an embodiment in which the guide rollers UE1, UG1 at the same time form the support rollers SE, SG, with which the infeed belt E or the counter belt G can be alternately deflected out of the plane running parallel to the plane of the take-off belt AB.

Landscapes

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

Abstract

L'invention concerne une machine de croisement de voile servant à former un non-tissé à partir d'une pluralité de couches de voile, comprenant une bande d'alimentation circulant en continu, une bande antagoniste circulant en continu en sens inverse à la même vitesse, la bande d'alimentation et la bande antagoniste étant guidées autour de deux rouleaux de dépôt qui sont adjacents et forment un espace de dépôt, ces rouleaux de dépôt étant agencés dans un chariot de dépôt qui est monté au-dessus d'une bande d'évacuation recevant le non-tissé à déposer, de manière à pouvoir se déplacer transversalement à la bande d'évacuation, et qui effectue périodiquement un mouvement de va-et-vient. Les deux bandes s'étendent des deux côtés de l'espace de dépôt parallèlement au plan de la bande d'extraction en étant tendues, en direction de rouleaux de renvoi agencés dans la machine de croisement de voile. Selon l'invention, des moyens de commande (SSE, SSG) permettent de dévier la bande d'alimentation et la bande antagoniste (E, G) du plan s'étendant parallèlement au plan de la bande d'évacuation (AB).
EP11760479.3A 2010-11-02 2011-09-21 Machine de croisement de voile Active EP2635728B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010050027A DE102010050027A1 (de) 2010-11-02 2010-11-02 Kreuzleger
PCT/EP2011/066435 WO2012059271A1 (fr) 2010-11-02 2011-09-21 Machine de croisement de voile

Publications (2)

Publication Number Publication Date
EP2635728A1 true EP2635728A1 (fr) 2013-09-11
EP2635728B1 EP2635728B1 (fr) 2014-09-03

Family

ID=44674798

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11760479.3A Active EP2635728B1 (fr) 2010-11-02 2011-09-21 Machine de croisement de voile

Country Status (4)

Country Link
EP (1) EP2635728B1 (fr)
CN (1) CN103189554B (fr)
DE (1) DE102010050027A1 (fr)
WO (1) WO2012059271A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012019363A1 (de) * 2012-10-02 2014-04-03 Trützschler GmbH & Co Kommanditgesellschaft Kreuzleger und Verfahren zum Betreiben eines Kreuzlegers
DE202013105029U1 (de) * 2013-11-08 2015-02-10 Autefa Solutions Germany Gmbh Vliesleger
CN105773783A (zh) * 2016-02-19 2016-07-20 澳森木业赤壁有限责任公司 一种纤维板生产系统
CN107034588B (zh) * 2017-06-08 2022-11-01 常熟市伟成非织造成套设备有限公司 具有压棉功能的铺网小车
CN107043967B (zh) * 2017-06-08 2022-10-28 常熟市伟成非织造成套设备有限公司 具有压棉功能的铺网机
DE102019104851A1 (de) 2019-02-26 2020-08-27 Adler Pelzer Holding Gmbh Vorrichtung zur Herstellung von Nadelvliesen
CN109825953A (zh) * 2019-03-14 2019-05-31 常熟市弘毅无纺机械有限公司 一种交叉铺网机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE322153B (fr) * 1968-06-07 1970-03-23 Nordiska Maskinfilt Ab
DE1811616A1 (de) * 1968-11-29 1970-07-30 Textiltech Forsch Vorrichtung an Kreuzlegern,Quertaeflern od.dgl.
DE4217285C1 (de) * 1990-11-28 1994-01-27 Hollingsworth Gmbh Einrichtung zum Abdecken eines gelegten Vlieses gegen Windeinflüsse bei schnellaufenden Kreuzlegern, bei Verwendung einer Kompensationseinrichtung für Winkelfehler
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
CN2663472Y (zh) * 2003-12-01 2004-12-15 江苏迎阳无纺机械有限公司 铺网机的铺网机构
DE102006028448A1 (de) 2006-06-21 2007-12-27 ERKO Trützschler GmbH Kreuzleger
EP1975286A1 (fr) 2007-03-30 2008-10-01 Oskar Dilo Maschinenfabrik KG Etaleur-nappeur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012059271A1 *

Also Published As

Publication number Publication date
CN103189554A (zh) 2013-07-03
DE102010050027A1 (de) 2012-05-03
EP2635728B1 (fr) 2014-09-03
CN103189554B (zh) 2015-08-19
WO2012059271A1 (fr) 2012-05-10

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