EP3012216A1 - Turning bar for angular deflection of materials in continuous films - Google Patents

Turning bar for angular deflection of materials in continuous films Download PDF

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Publication number
EP3012216A1
EP3012216A1 EP15290241.7A EP15290241A EP3012216A1 EP 3012216 A1 EP3012216 A1 EP 3012216A1 EP 15290241 A EP15290241 A EP 15290241A EP 3012216 A1 EP3012216 A1 EP 3012216A1
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EP
European Patent Office
Prior art keywords
drum
driven
conveyor belts
bar
longitudinal conveyor
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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
EP15290241.7A
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German (de)
French (fr)
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EP3012216B1 (en
Inventor
Eric Bellet
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Individual
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Individual
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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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/32—Arrangements for turning or reversing webs
    • 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
    • B65H2404/12—Rollers with at least an active member on periphery
    • B65H2404/123—Rollers with at least an active member on periphery moving in parallel to roller axis
    • B65H2404/1231—Arrangement of axially movable active elements, i.e. movable in parallel to roller axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/175—Plastic
    • B65H2701/1752—Polymer film
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/177—Fibrous or compressible material

Definitions

  • the present invention relates to the bars for the angular return of continuous film materials arriving on each of them according to a well-defined incident angle, which circumvent and which depart from them at an angle symmetrical to said incident angle.
  • the prior art has proposed many angular return rods of continuous film materials.
  • the aim of the invention is to propose a sliding bar that eliminates friction according to a new search axis applicable to both permeable films and films. as well as films made of sensitive materials and complex films (superimposed or folded).
  • the bar (1) shown in the figures is intended for the angular return of continuous film materials (2) which arrive thereon according to a well defined incident angle, which circumvent it and which leave it at an angle symmetrical to said incident angle.
  • the longitudinal conveyor belts (12) are supported at the ends of the drum (11) by return rollers (13) and consist of a single endless belt driven by a pair of driving pulleys (14) and (15) themselves driven, simultaneously and in opposition, by the same motorization device (16).
  • the longitudinal conveyor belts (12), which run in the same direction, are supported at the ends of the drum (11) by return rollers (3) and consist of at least two strips. endless (121) and (122), identical, each driven by a pair of driving pulleys (14,15) themselves driven, simultaneously and in opposition, by the same motorization device (16).
  • the drive shaft of the drum carries the reference (17) and that of driving the pulleys is referenced (18).
  • the drive device of the drum carries the reference (19).
  • the conveyor belts are divided into 2 groups of 10 each driven by 2 pairs of pulleys as shown in FIGS. Figures 1 and 2 .
  • an incident angle of 45 ° allows a 90 ° return.
  • impervious films treated by the device according to the invention mention may be made, in a nonlimiting manner, of materials made of paper, polyethylene, polypropylene.

Abstract

L'invention concerne une barre (1) destinée au renvoi angulaire de matériaux en films continus (2) qui comporte d'un tambour (11), animé d'un mouvement rotatif, et une pluralité de bandes transporteuses longitudinales (12), parallèles entre elles et équidistantes, supportées par ledit tambour (11). La barre selon l'invention se caractérise essentiellement en ce que ladite pluralité de bandes transporteuses longitudinales (12) défilent dans le même sens et sont animées d'un même mouvement de translation, dont la vitesse de défilement, combinée avec celle de rotation du tambour (11), est déterminée pour accompagner le film (2) dans son déplacement sans le moindre glissement entre les parties en contact.The invention relates to a bar (1) for the angular return of continuous film materials (2) which comprises a drum (11), driven by a rotary movement, and a plurality of parallel longitudinal conveyor belts (12). between them and equidistant, supported by said drum (11). The bar according to the invention is essentially characterized in that said plurality of longitudinal conveyor belts (12) move in the same direction and are driven by a same translational movement, whose travel speed, combined with that of rotation of the drum (11), is determined to accompany the film (2) in its displacement without the slightest slip between the parts in contact.

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

La présente invention se rapporte aux barres destinées au renvoi angulaire de matériaux en films continus qui arrivent sur chacune d'entre elles selon un angle incident bien déterminé, qui la contournent et qui en repartent selon un angle symétrique audit angle incident.The present invention relates to the bars for the angular return of continuous film materials arriving on each of them according to a well-defined incident angle, which circumvent and which depart from them at an angle symmetrical to said incident angle.

EXPOSE DE L'ARRIERE PLAN TECHNOLOGIQUEBACKGROUND BACKGROUND

La technique antérieure a proposé de nombreuses barres de renvoi angulaire de matériaux en films continus.The prior art has proposed many angular return rods of continuous film materials.

Malheureusement, celles-ci, malgré les divers perfectionnements mis en oeuvre, présentent certains inconvénients liés aux frottements existant entre les films et les barres avec pour principales conséquences, à cause de la tension des films qui en résulte :

  • des pertes de matière liés à l'étirement des films qui nécessite une compensation de matière à cause du rétrécissement des laizes ;
  • des déplacements, des froissements, des plis et des dépliages des matières complexes superposées ou pliées.
Unfortunately, these, despite the various improvements implemented, have some disadvantages related to the friction between the films and bars with the main consequences, because of the tension of the resulting films:
  • losses of material related to the stretching of the films which requires a compensation of material because of the narrowing of the widths;
  • moving, creasing, folding and unfolding complex materials superimposed or folded.

En outre, tous ces dispositifs nécessitent, pour leur bon fonctionnement :

  • d'un centreur de bande en sortie ;
  • d'un dispositif moteur en entrée et en sortie dans le cas du traitement de matières sensibles (élastiques, fragiles,...).
In addition, all these devices require, for their proper functioning:
  • an output tape centerer;
  • of an input and output motor device in the case of the treatment of sensitive materials (elastic, fragile, ...).

Parmi les différents perfectionnements mis en oeuvre pour réduire les frottements, autrement dit les inconvénients susmentionnés, on peut citer les axes de recherches suivants :

  • un premier, plus particulièrement appliqué aux films perméables, a porté sur la nature et la finition des matériaux constitutifs des barres comme par exemple : l'inox, le chrome dur, le téflon,... ;
  • un deuxième, plus particulièrement appliqué aux films imperméables, a porté sur la conception même des barres qui ont été pourvues d'une pluralité de perforations au travers desquelles passe un air pulsé.
Among the various improvements implemented to reduce friction, that is to say the aforementioned drawbacks, mention may be made of the following axes of research:
  • a first, more particularly applied to permeable films, focused on the nature and finish of the constituent materials of the bars such as for example: stainless steel, hard chrome, teflon, ...;
  • a second one, more particularly applied to impermeable films, concerned the very design of the bars which were provided with a plurality of perforations through which pulsed air passes.

L'état de la technique le plus proche est décrit dans les brevets US2005/277504 , EP0437231 et DE4322114 .The closest state of the art is described in the US2005 / 277504 patents , EP0437231 and DE4322114 .

RESUME DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention vise à proposer une barre de renvoi supprimant les frottements selon un nouveau axe de recherche applicable aussi bien aux films perméables qu'aux films imperméables ainsi qu'aux films constitués de matières sensibles et aux films complexes (superposés ou pliés).The aim of the invention is to propose a sliding bar that eliminates friction according to a new search axis applicable to both permeable films and films. as well as films made of sensitive materials and complex films (superimposed or folded).

En conséquence, tous les inconvénients mentionnés précédemment (pertes de matière, déplacements, froissements, plis et dépliages) sont totalement supprimés y compris l'utilisation d'un centreur de bande en sortie et d'un dispositif moteur en entrée et en sortie dans le cas du traitement de matières sensibles.Consequently, all the aforementioned drawbacks (material losses, displacements, creases, folds and unfoldings) are totally eliminated, including the use of an output band centering device and an input and output motor device in the case of the treatment of sensitive materials.

La barre selon l'invention se caractérise essentiellement en ce qu'elle est constituée :

  1. a) d'un tambour, animé d'un mouvement rotatif, dont la vitesse de rotation est fonction de la vitesse de déplacement du film ;
  2. b) d'une pluralité de bandes transporteuses longitudinales, parallèles entre elles et équidistantes, supportées par ledit tambour, défilant dans le même sens, animées d'un
même mouvement de translation, dont là vitesse de défilement, combinée avec belle de rotation du tambour, est déterminée pour accompagner le film dans son déplacement sans le moindre glissement entre les parties en contact.The bar according to the invention is essentially characterized in that it consists of:
  1. a) a drum, driven by a rotary movement, whose rotational speed is a function of the speed of movement of the film;
  2. b) a plurality of longitudinal conveyor belts parallel to each other and equidistant, supported by said drum, moving in the same direction, driven by a
same translational movement, whose speed of movement, combined with beautiful rotation of the drum, is determined to accompany the film in its movement without the slightest slip between the parts in contact.

Selon deux variantes de réalisation de l'invention :

  1. a) les bandes transporteuses longitudinales sont supportées, aux extrémités du tambour, par des rouleaux de renvoi et sont constituées d'une seule bande sans fin entraînée par une paire de poulies motrices elles mêmes entraînées, simultanément et en opposition, par un même dispositif de motorisation ;
  2. b) les bandes transporteuses longitudinales, qui défilent dans le même sens, sont supportées aux extrémités du tambour par des rouleaux de renvoi et sont entraînées par une paire de poulies motrices elles mêmes entraînées, simultanément et en opposition, par un même dispositif de motorisation.
According to two embodiments of the invention:
  1. a) the longitudinal conveyor belts are supported at the ends of the drum by return rollers and consist of a single endless belt driven by a pair of drive pulleys which are themselves driven simultaneously and in opposition by the same device; motorization;
  2. b) the longitudinal conveyor belts, which run in the same direction, are supported at the ends of the drum by return rollers and are driven by a pair of driving pulleys themselves driven, simultaneously and in opposition, by the same motorization device.

PRESENTATION DES FIGURESPRESENTATION OF FIGURES

Les caractéristiques et les avantages de l'invention vont apparaître plus clairement à la lecture de la description détaillée qui suit d'au moins un mode de réalisation préféré de celle-ci donné à titre d'exemple non limitatif et représenté aux dessins annexés.The features and advantages of the invention will appear more clearly on reading the detailed description which follows of at least one preferred embodiment thereof given by way of non-limiting example and shown in the accompanying drawings.

Sur ces dessins :

  • la figure 1 représente, en perspective, la barre complète selon l'invention représentant une film continu en cours de renvoi : elle comporte deux paires de poulies motrices ;
  • la figure 2 représente, en perspective, l'ensemble tambour, bandes et poulies extrait de la figure 1.
On these drawings:
  • the figure 1 represents, in perspective, the complete bar according to the invention representing a continuous film being returned: it comprises two pairs of driving pulleys;
  • the figure 2 represents, in perspective, the whole drum, strips and pulleys extracted from the figure 1 .

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

La barre (1) représentée aux figures est destinée au renvoi angulaire de matériaux en films continus (2) qui arrivent sur celle-ci selon un angle incident bien déterminé, qui la contournent et qui en repartent selon un angle symétrique audit angle incident.The bar (1) shown in the figures is intended for the angular return of continuous film materials (2) which arrive thereon according to a well defined incident angle, which circumvent it and which leave it at an angle symmetrical to said incident angle.

Elle comporte :

  1. a) d'un tambour (11), animé d'un mouvement rotatif, dont la vitesse de rotation est fonction de la vitesse de déplacement du film (2) ;
  2. b) d'une pluralité de bandes transporteuses longitudinales (12), parallèles entre elles et équidistantes, supportées par ledit tambour (11), défilant dans le même sens, animées d'un même mouvement de translation, dont la vitesse de défilement, combinée avec celle de rotation du tambour (11), est déterminée pour accompagner le film (2) dans son déplacement sans le moindre glissement entre les parties en contact.
It involves :
  1. a) a drum (11), driven by a rotary movement, whose rotational speed is a function of the speed of movement of the film (2);
  2. b) a plurality of longitudinal conveyor belts (12), parallel to each other and equidistant, supported by said drum (11), moving in the same direction, driven by a same translational movement, whose scrolling speed, combined with that of rotation of the drum (11), is determined to accompany the film (2) in its displacement without the slightest slip between the parts in contact.

Selon une première réalisation de l'invention, les bandes transporteuses longitudinales (12) sont supportées, aux extrémités du tambour (11), par des rouleaux de renvoi (13) et sont constituées d'une seule bande sans fin entraînée par une paire de poulies motrices (14) et (15) elles mêmes entraînées, simultanément et en opposition, par un même dispositif de motorisation (16).According to a first embodiment of the invention, the longitudinal conveyor belts (12) are supported at the ends of the drum (11) by return rollers (13) and consist of a single endless belt driven by a pair of driving pulleys (14) and (15) themselves driven, simultaneously and in opposition, by the same motorization device (16).

Selon une deuxième réalisation de l'invention, les bandes transporteuses longitudinales (12), qui défilent dans le même sens, sont supportées aux extrémités du tambour (11) par des rouleaux de renvoi (3) et sont constituées d'au moins deux bandes sans fin (121) et (122), identiques, entraînées, chacune, par une paire de poulies motrices (14,15) elles mêmes entraînées, simultanément et en opposition, par un même dispositif de motorisation (16).According to a second embodiment of the invention, the longitudinal conveyor belts (12), which run in the same direction, are supported at the ends of the drum (11) by return rollers (3) and consist of at least two strips. endless (121) and (122), identical, each driven by a pair of driving pulleys (14,15) themselves driven, simultaneously and in opposition, by the same motorization device (16).

Selon des particularités de réalisation de l'invention:

  • le tambour (11) comporte des rainures longitudinales conçues pour guider et maintenir parallèles entre elles les bandes transporteuses (12) ;
  • chaque paire de poulies motrices (15,16) est entraînée par un pignon conique satellitaire.
According to particular features of the invention:
  • the drum (11) has longitudinal grooves designed to guide and hold the conveyor belts (12) parallel to each other;
  • each pair of driving pulleys (15, 16) is driven by a satellite cone gear.

L'axe d'entraînement du tambour porte la référence (17) et celui d'entraînement des poulies porte la référence (18).The drive shaft of the drum carries the reference (17) and that of driving the pulleys is referenced (18).

Le dispositif de motorisation du tambour porte la référence (19).The drive device of the drum carries the reference (19).

Dans la réalisation préférée de l'invention, les bandes transporteuses sont au nombre de 20 divisées en 2 groupes de 10 entraînés, chacun, par 2 paires de poulies comme représenté aux figures 1 et 2.In the preferred embodiment of the invention, the conveyor belts are divided into 2 groups of 10 each driven by 2 pairs of pulleys as shown in FIGS. Figures 1 and 2 .

Par exemple, un angle incident de 45° permet un renvoi à 90°.For example, an incident angle of 45 ° allows a 90 ° return.

Parmi les films perméables traités par le dispositif selon l'invention, on peut citer, de manière non limitative, les matériaux tissés ou tissés.Among the permeable films treated by the device according to the invention, mention may be made, in a nonlimiting manner, of woven or woven materials.

Parmi les films imperméables traités par le dispositif selon l'invention, on peut citer, de manière non limitative, les matériaux en papier, polyéthylène, polypropylène.Among the impervious films treated by the device according to the invention, mention may be made, in a nonlimiting manner, of materials made of paper, polyethylene, polypropylene.

Parmi les bandes transporteuses utilisées, on peut citer, de manière non limitative, celles réalisées en polyuréthane, polyester, etc.Among the conveyor belts used, mention may be made, in a nonlimiting manner, those made of polyurethane, polyester, etc.

Bien entendu, l'homme de métier sera apte à réaliser l'invention telle que décrite et représentée en appliquant et en adaptant des moyens connus sans qu'il soit nécessaire de les décrire ou de les représenter.Of course, those skilled in the art will be able to carry out the invention as described and represented by applying and adapting known means without it being necessary to describe them or to represent them.

Il pourra également prévoir d'autres variantes sans pour cela sortir du cadre de l'invention tel que déterminé par la teneur des revendications.It may also provide other variants without departing from the scope of the invention as determined by the content of the claims.

Claims (5)

Barre (1) destinée au renvoi angulaire de matériaux en films continus (2) qui arrivent sur celle-ci selon un angle incident bien déterminé, qui la contournent et qui en repartent selon un angle symétrique audit angle incident ;
ladite barre de renvoi (1) étant constituée : a) d'un tambour (11), animé d'un mouvement rotatif, dont la vitesse de rotation est fonction de la vitesse de déplacement du film (2) ; b) d'une pluralité de bandes transporteuses longitudinales (12), parallèles entre elles et équidistantes, supportées par ledit tambour (11) ; caractérisé en ce que ladite pluralité de bandes transporteuses longitudinales (12) défilent dans le même sens et sont animées d'un même mouvement de translation, dont la vitesse de défilement, combinée avec celle de rotation du tambour (11), est déterminée pour accompagner le film (2) dans son déplacement sans le moindre glissement entre les parties en contact.Bar (1) for the angular return of continuous film materials (2) arriving thereon at a determined incident angle, which circumvent and which depart at an angle symmetrical to said incident angle;
said return bar (1) being constituted: a) a drum (11), driven by a rotary movement, whose rotational speed is a function of the speed of movement of the film (2); b) a plurality of parallel and equidistant longitudinal conveyor belts (12) supported by said drum (11); characterized in that said plurality of longitudinal conveyor belts (12) move in the same direction and are driven by a same translational movement, whose running speed, combined with that of rotation of the drum (11), is determined to accompany the film (2) in its displacement without the slightest slip between the parts in contact. Barre, selon la revendication 1, caractérisé en ce que les bandes transporteuses longitudinales (12) sont supportées, aux extrémités du tambour (11), par des rouleaux de renvoi (13) et sont constituées d'au moins une seule bande sans fin entraînée par au moins une paire de poulies motrices (14, 15) elles mêmes entraînées, simultanément et en opposition, par un même dispositif de motorisation (16).Bar according to claim 1, characterized in that the longitudinal conveyor belts (12) are supported at the ends of the drum (11) by return rollers (13) and consist of at least one endless belt driven by at least one pair of driving pulleys (14, 15) themselves driven, simultaneously and in opposition, by the same motorization device (16). Barre, selon la revendication 1, caractérisé en ce que les bandes transporteuses longitudinales (12) sont supportées aux extrémités du tambour (11) par des rouleaux de renvoi (13) et sont constituées d'au moins deux bandes sans fin (121) et (122), identiques, entraînées, chacune, par une paire de poulies motrices (14,15) elles mêmes entraînées, simultanément et en opposition, par un même dispositif de motorisation (16).Bar according to claim 1, characterized in that the longitudinal conveyor belts (12) are supported at the ends of the drum (11) by return rollers (13) and consist of at least two endless belts (121) and (122), identical, each driven by a pair of driving pulleys (14,15) themselves driven simultaneously and in opposition, by the same motorization device (16). Barre, selon la revendication 1, caractérisé en ce que le tambour (11) comporte des rainures longitudinales conçues pour guider et maintenir parallèles entre elles les bandes transporteuses (12).Bar, according to claim 1, characterized in that the drum (11) has longitudinal grooves designed to guide and maintain parallel to each other the conveyor belts (12). Barre, selon la revendication 3, caractérisé en ce que chaque paire de poulies motrices (14,15) est entraînée par un pignon conique satellitaire.Bar, according to claim 3, characterized in that each pair of driving pulleys (14,15) is driven by a satellite conical gear.
EP15290241.7A 2014-09-30 2015-09-24 Turning bar for angular deflection of materials in continuous films Active EP3012216B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1402193A FR3026397B1 (en) 2014-09-30 2014-09-30 BAR FOR ANGULAR REFERENCE OF MATERIALS IN CONTINUOUS FILMS

Publications (2)

Publication Number Publication Date
EP3012216A1 true EP3012216A1 (en) 2016-04-27
EP3012216B1 EP3012216B1 (en) 2017-02-22

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EP15290241.7A Active EP3012216B1 (en) 2014-09-30 2015-09-24 Turning bar for angular deflection of materials in continuous films

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EP (1) EP3012216B1 (en)
FR (1) FR3026397B1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0437231A2 (en) 1990-01-12 1991-07-17 Barmag Ag Return roll
DE4322114A1 (en) 1992-08-25 1994-01-13 Barmag Barmer Maschf Guide roller for obliquely fed webs such as tacky plastic film - has e.g. series of longitudinal slots all round its surface to hold bars which can be moved longitudinally but cannot fall out
US20050277504A1 (en) 2004-05-27 2005-12-15 3M Innovative Properties Company Apparatus for deflecting or inverting moving webs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0437231A2 (en) 1990-01-12 1991-07-17 Barmag Ag Return roll
DE4322114A1 (en) 1992-08-25 1994-01-13 Barmag Barmer Maschf Guide roller for obliquely fed webs such as tacky plastic film - has e.g. series of longitudinal slots all round its surface to hold bars which can be moved longitudinally but cannot fall out
US20050277504A1 (en) 2004-05-27 2005-12-15 3M Innovative Properties Company Apparatus for deflecting or inverting moving webs

Also Published As

Publication number Publication date
FR3026397A1 (en) 2016-04-01
FR3026397B1 (en) 2017-07-28
EP3012216B1 (en) 2017-02-22

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