EP3507222B1 - Verfahren und anlage zur förderung eines spannungsarmen flexiblen bandes oder gurtes mit hoher geschwindigkeit - Google Patents

Verfahren und anlage zur förderung eines spannungsarmen flexiblen bandes oder gurtes mit hoher geschwindigkeit Download PDF

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Publication number
EP3507222B1
EP3507222B1 EP17765227.8A EP17765227A EP3507222B1 EP 3507222 B1 EP3507222 B1 EP 3507222B1 EP 17765227 A EP17765227 A EP 17765227A EP 3507222 B1 EP3507222 B1 EP 3507222B1
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EP
European Patent Office
Prior art keywords
strip
rollers
web
pair
rotation
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
EP17765227.8A
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English (en)
French (fr)
Other versions
EP3507222A1 (de
Inventor
Luc LASSALLE
Guillaume PAULET
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.)
Spoolex SAS
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Spoolex SAS
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Publication date
Application filed by Spoolex SAS filed Critical Spoolex SAS
Publication of EP3507222A1 publication Critical patent/EP3507222A1/de
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Publication of EP3507222B1 publication Critical patent/EP3507222B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/31—Features of transport path
    • B65H2301/311—Features of transport path for transport path in plane of handled material, e.g. geometry
    • B65H2301/3112—S-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/14—Roller pairs
    • B65H2404/147—Roller pairs both nip rollers being driven

Definitions

  • the present invention relates to the technical field of the transitic, that is to say of the conveying, of a flexible strip or sheet, at low tension, in textile or in composite material, in particular for unwinding and winding, while maintaining its integrity, avoiding any degradation or premature deformation of the strip.
  • low-tension flexible strip or sheet is meant a fragile strip or sheet, with a thickness between 0.1 and 0.8 mm, and the weight of which is between 15 to 50 g / m 2 , so that one cannot exert a significant tension on this one. If a tensile force with a force greater than 10 N is exerted on the strip or ply, it tears.
  • a flexible strip or sheet is that it is unstable during its conveyance at high speed, in particular greater than 600 m / min and over lengths greater than 30 m.
  • a disadvantage of the state of the art lies in the fact that when the flexible strip or sheet is conveyed at high speeds, it is subjected to the effect of the wind, floats and moves sideways.
  • the conveyed strip or ply does not therefore follow a rectilinear path and, when the latter is intended to be wound on a reel at the conveying outlet, the sides of the reel are not aligned and in particular have staircase shapes, detrimental to the overall aesthetics of the coil, but also its stability if it must be stored resting on one of its sides.
  • One of the aims of the invention is to provide a method and an installation making it possible to carry out a conveying of a flexible and low tension strip or sheet, in textile or composite material, at high speed, in particular greater than 600 m / min, without limitation of conveying length, or degradation of the strip or ply, or lateral displacement of the latter, to allow obtaining a reel having correctly aligned flanks.
  • Another objective of the present invention is to reduce the degradation of the conveyor rollers, and thus to increase their lifetime.
  • the method according to the invention is remarkable in that it consists in unrolling and returning a strip or sheet by means of a plurality of pairs of motorized rollers and driven in rotation at identical speeds.
  • Each pair of rollers successively drives a first face of the strip or sheet by means of a first roller driven in rotation in one direction, and a second opposite face of the strip or sheet by means of a second roller driven in rotation in a reverse.
  • the method according to the invention makes it possible to convey a strip or sheet by jamming the strip or sheet.
  • the strip or web is drawn upstream by the first roll of each pair of rollers, and is output at the same speed as the first roll to then be recovered downstream by the second roll at the same speed. There is therefore no relative movement between the strip or web and the rollers.
  • the strip or web does not slide on the rollers so that the damage to the conveyor rollers is reduced, or even zero.
  • the jamming carried out by the association of the two rollers makes it possible to avoid the lateral movement of the strip or layer during its conveyance at a speed greater than 600 m / min and over a length greater than 30 m. This makes it possible to wind the strip or web into a reel with the sides correctly aligned.
  • the rollers of each pair of rollers are arranged so that the part of strip or sheet situated between the rollers forms an angle of between 50 ° and 80 ° with the plane passing through the axes. revolution of the rollers.
  • each pair of rollers are arranged so that the length of the strip or web portion between the rolls is between 0.2 and 2 times the diameter of the rolls.
  • the invention also aims to protect an installation for the implementation of the method.
  • the installation is remarkable in that it comprises a plurality of pairs of motorized rollers and driven in rotation at identical speeds, each pair of rollers being able to successively drive a first face of the strip or ply by means of a first roller driven in rotation in one direction, and a second opposite face of the strip or web by means of a second roller driven in rotation in a reverse direction.
  • the invention relates to a method and an installation (1) for conveying a flexible and low tension belt or sheet (2) over a length greater than 30 m, for example 50 m, and at a speed greater than 600 m. / min, for example from 800 to 1000 m / min.
  • the invention is advantageous when it comes to unwinding a reel of a strip or sheet (2) of great width to perform winding operations of a plurality of reels of strip or sheet (2) of smaller width. width.
  • the strip or sheet (2) to be conveyed is flexible, low tension, and is made of textile or composite material. It comprises for example a width of 1500 mm, a thickness of between 0.1 and 0.8 mm, and a weight of between 15 and 50 g / m 2 .
  • the installation (1) comprises a plurality of jamming modules (3) arranged, for example at regular intervals, along the running length of the strip or sheet (2). To prevent the strip or layer (2) from floating between two modules (3), these must be spaced at a distance of less than 3 m, and preferably a distance of between 1.5 m and 3 m.
  • Each module (3) comprises a pair of parallel rollers (4, 5) mounted with the ability to rotate between two side cheeks (6).
  • the rollers (4, 5) are motorized and rotated at identical speeds and in opposite directions to each other.
  • Each roller of the pair of rollers (4, 5) can be attached to a motor (7) for its rotational drive, or one of the rollers (4, 5) may be rotated by a chain system or belt driven in rotation by the motor (7) of the other roller.
  • each pair of rollers (4, 5) successively drives a first face (2a) of the strip or sheet (2) by means of a first roller (4) rotated in one direction, and a second opposite face (2b) of the strip or sheet (2) by means of a second roller (5) rotated in a reverse direction.
  • the speed of rotation of the conveyor rollers (4, 5) is identical to the speed of advance of the strip or web (2) so that damage to the rollers (4, 5) is avoided.
  • the web or mat (4, 5) does not slip on the rollers (4, 5).
  • rollers (4, 5) of each pair of rollers are arranged so that the part (2c) of strip or web (2) located between the rollers (4, 5) forms an angle ( ⁇ ) between 50 ° and 80 ° with the plane (P) passing through the axes of revolution (8) of the rollers (4, 5), and so that the length (L) of the part (2c) of strip or sheet (2) located between the rollers (4, 5) is between 0.2 and 2 times the diameter of the rollers (4, 5).
  • the axis of one of the rollers (4, 5 ) is received between the two side cheeks (6) in an oblong vertical slot and with vertical adjustment capability via a screw (9).
  • the adjustment by screwing / unscrewing makes it possible to bring the roller (5) vertically closer or further away from the other roller (4) in order to vary the angle of the strip or sheet (2) with respect to the plane passing through the axes of revolution (8) of the two rollers (4, 5), as well as the length of the part (2c) of strip or sheet (2) located between said rollers (4, 5).
  • the installation (1) and the conveying method according to the invention make it possible to maintain the alignment of the strip or sheet (2), and therefore to maintain correctly aligned sidewalls of the reels of rewound strips or sheets (2). while allowing transitic lengths greater than 30 m and speeds greater than 600 m / min.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Advancing Webs (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (2)

  1. Verfahren zum Abwickeln eines flexiblen Bandes oder einer Bahn (2) aus textilem oder Verbundmaterial mit einer Breite zwischen 0,1 mm und 0,8 mm und einem Gewicht zwischen 15 g/m2 und 50 g/m2 von einer Spule sowie zum Transport des Bandes oder der Bahn (2) über eine Länge von über 30 m hinweg, mit einer Zugkraft auf das Band oder die Bahn (2) von unter 10 N und einer Geschwindigkeit von über 600 m/min, sowie zum Aufwickeln des Bandes oder der Bahn (2) auf eine Spule oder auf mehrere Spulen geringerer Breite des Bandes oder der Bahn (2), dadurch gekennzeichnet, dass es darin besteht, das Band oder die Bahn (2) über eine Vielzahl von Rollenpaaren (4, 5), ausgerüstet mit einem Motor und mit identischer Drehgeschwindigkeit angetrieben, abzuwickeln und zurückzuführen, jedes Rollenpaar (4, 5) ist dabei in einem Zuführungsmodul (3) montiert, die Module (3) haben zueinander einen Abstand zwischen 1.5 m und 3 m, jedes Rollenpaar (4, 5) treibt nacheinander eine erste Fläche (2a) des Bandes oder der Bahn (2) mittels einer ersten Rolle (4) an, die sich in eine Richtung dreht und eine zweite gegenüberliegende Fläche (2b) des Bandes oder der Bahn (2) mittels einer zweiten Rolle (5), die sich in Gegenrichtung dreht, so dass es keinerlei Gleiten zwischen dem Band und den Rollen (4, 5) gibt, die Rollen (4, 5) jedes Rollenpaars sind so angeordnet, dass der Teil (2c) des Bandes oder der Bahn (2) der sich zwischen den Rollen (4, 5) befindet, einen Winkel zwischen 50° und 80° zur Ebene (P) bildet, die durch die Drehachsen (8) der Rollen (4, 5) führt, die Rollen (4, 5) jedes Rollenpaares sind so angeordnet, dass die Länge des Teils (2c) des Bandes oder der Bahn (2), der sich zwischen den Rollen (4, 5) befindet, dem 0.2 bis 2- fachen des Rollendurchmessers (4, 5) entspricht.
  2. Anlage zum Abwickeln einer Spule eines flexiblen Bandes oder einer Bahn (2) aus textilem oder Verbundmaterial mit einer Breite zwischen 0,1 mm und 0,8 mm und einem Gewicht zwischen 15 g/m2 und 50 g/m2, sowie zum Transport des Bandes oder der Bahn (2) über eine Länge von über 30 m hinweg, mit einer Zugkraft auf dem Band oder der Bahn (2) von unter 10 N und einer Geschwindigkeit von über 600 m/min, sowie zum Aufwickeln des Bandes oder der Bahn (2) um eine Spule oder um mehrere Spulen geringerer Breite des Bandes oder der Bahn (2), dadurch gekennzeichnet, dass sie mehrere Zuführungsmodule (3) enthält, die auf der gesamten Ablauflänge des Bandes oder der Bahn (2) angeordnet sind und zueinander einen Abstand zwischen 1.5 m und 3 m haben, jedes Modul (3) enthält ein motorgetriebenes Rollenpaar (4, 5), das mit identischer Geschwindigkeit angetrieben wird, jedes Rollenpaar (4, 5) treibt nacheinander eine erste Fläche (2a) des Bandes oder der Bahn (2) mittels einer ersten Rolle (4) an, die sich in eine Richtung dreht und eine zweite, entgegengesetzte Fläche (2b) des Bandes oder der Bahn (2) mittels einer zweiten Rolle (5), die sich in Gegenrichtung dreht, so dass es keinerlei Gleiten zwischen dem Band und den Rollen (4, 5) gibt, die Rollen (4, 5) jedes Rollenpaars sind so angeordnet, dass der Teil (2c) des Bandes oder der Bahn (2) der sich zwischen den Rollen (4, 5) befindet, einen Winkel zwischen 50° und 80° zur Ebene (P) bildet, die durch die Drehachsen (8) der Rollen (4, 5) führt, die Rollen (4, 5) jedes Rollenpaares sind so angeordnet, dass die Länge des Teils (2c) des Bandes oder der Bahn (2), der sich zwischen den Rollen (4, 5) befindet, dem 0.2 bis 2- fachen des Rollendurchmessers (4, 5) entspricht.
EP17765227.8A 2016-08-30 2017-08-07 Verfahren und anlage zur förderung eines spannungsarmen flexiblen bandes oder gurtes mit hoher geschwindigkeit Active EP3507222B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1658024A FR3055323B1 (fr) 2016-08-30 2016-08-30 Procede et installation de convoyage a grande vitesse d'une bande ou nappe souple a faible tension
PCT/FR2017/052208 WO2018042099A1 (fr) 2016-08-30 2017-08-07 Procédé et installation de convoyage a grande vitesse d'une bande ou nappe souple a faible tension

Publications (2)

Publication Number Publication Date
EP3507222A1 EP3507222A1 (de) 2019-07-10
EP3507222B1 true EP3507222B1 (de) 2021-01-20

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ID=57396613

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Application Number Title Priority Date Filing Date
EP17765227.8A Active EP3507222B1 (de) 2016-08-30 2017-08-07 Verfahren und anlage zur förderung eines spannungsarmen flexiblen bandes oder gurtes mit hoher geschwindigkeit

Country Status (3)

Country Link
EP (1) EP3507222B1 (de)
FR (1) FR3055323B1 (de)
WO (1) WO2018042099A1 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745134A (en) * 1952-05-24 1956-05-15 Boston Woven Hose & Rubber Co Apparatus for tensioning strip material
US3722776A (en) * 1971-05-03 1973-03-27 Bwg Bergwerk Walzwerk Roll system for tensioning elongated work pieces
GB1368468A (en) * 1971-05-10 1974-09-25 Celmac Ag Polyester compositions for use as mortars
GB1389963A (en) * 1972-07-21 1975-04-09 Bwg Bergwerk Walzwerk Apparatus for tensioning continuously moving strips
US5022166A (en) * 1990-06-07 1991-06-11 Union Camp Corporation Flutter suppression air foils
JP2887752B2 (ja) * 1997-08-15 1999-04-26 株式会社東京機械製作所 紙通し装置における紙送り装置
JP2943106B1 (ja) * 1998-05-18 1999-08-30 株式会社東京機械製作所 走行ウエブの制振方法、制振装置及び紙継ぎ補助装置
US6352257B1 (en) * 1999-08-30 2002-03-05 Asterisk, Inc. Web stabilizer
US8028988B2 (en) * 2008-01-21 2011-10-04 Honeywell International Inc. Apparatus and method for stabilizing a moving sheet relative to a sensor
US20150041514A1 (en) * 2011-08-24 2015-02-12 Bruce Hachtmann Substrate rollers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3055323B1 (fr) 2020-06-12
FR3055323A1 (fr) 2018-03-02
WO2018042099A1 (fr) 2018-03-08
EP3507222A1 (de) 2019-07-10

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