EP2504261A1 - Device for handling a strip of product containing rubber and method for producing a winding device onto which said strip is wound - Google Patents

Device for handling a strip of product containing rubber and method for producing a winding device onto which said strip is wound

Info

Publication number
EP2504261A1
EP2504261A1 EP10803609A EP10803609A EP2504261A1 EP 2504261 A1 EP2504261 A1 EP 2504261A1 EP 10803609 A EP10803609 A EP 10803609A EP 10803609 A EP10803609 A EP 10803609A EP 2504261 A1 EP2504261 A1 EP 2504261A1
Authority
EP
European Patent Office
Prior art keywords
roll
strip
strand
deflection
belt
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
EP10803609A
Other languages
German (de)
French (fr)
Other versions
EP2504261B1 (en
Inventor
Eugénie GUYOMARD
Jean-Michel Fournier
Frédéric COTTAIS
David Champel
Yves Hilbert
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.)
Michelin Recherche et Technique SA Switzerland
Compagnie Generale des Etablissements Michelin SCA
Michelin Recherche et Technique SA France
Original Assignee
Michelin Recherche et Technique SA Switzerland
Compagnie Generale des Etablissements Michelin SCA
Michelin Recherche et Technique SA France
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 Michelin Recherche et Technique SA Switzerland, Compagnie Generale des Etablissements Michelin SCA, Michelin Recherche et Technique SA France filed Critical Michelin Recherche et Technique SA Switzerland
Publication of EP2504261A1 publication Critical patent/EP2504261A1/en
Application granted granted Critical
Publication of EP2504261B1 publication Critical patent/EP2504261B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B65H19/265—Cutting-off the web running to the wound web roll using a cutting member moving linearly in a plane parallel to the surface of the web and along a direction crossing the web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/93—Tyres

Definitions

  • the bands obtained by longitudinal cutting of the raw strip have for example a thickness of between 0.6 and 3 mm and a width of between 20 mm and 1500 mm.
  • a thickness of between 0.6 and 3 mm and a width of between 20 mm and 1500 mm For example, from two to twenty-four strips of product can be formed by longitudinal cutting of the raw strip.
  • a conventional product strip manufacturing installation generally comprises, downstream of the longitudinal cutting means, at least one device for handling a product strip comprising an endless conveying conveyor belt guided and driven by a set of rotary rollers with axes parallel to a so-called transverse reference direction.
  • the subject of the invention is a device for handling a strip of product containing rubber, intended for the manufacture of a tire, of the type comprising
  • the means of temporary deflection of the path of the carrying strand of the carpet allow to hang a free end of the strip of product on an empty roll without an operator has to grasp the free end of this band. Indeed, when one wishes to hang the free end of a strip of product on the empty roll, activates the means of temporary deflection of the path of the carrying strand of the carpet. This has the effect of partially winding the carrying strand of the carpet, together with the free end of the strip of product, over a sector of more than 90 ° of the roll. The adhesion between the strip of product and the empty roll is then sufficient to cause the attachment of this free end on the roll. The winding of the band around the roll continues by rotating the roll in contact with the endless belt.
  • the handling device according to the invention may also comprise at least one of the following optional features:
  • the carrier strand 24P elongates between its normal and temporary paths.
  • the belt 24 comprises a compensating strand 24C (see downstream portion of the belt 24) whose length varies inversely with that of the carrier strand 24P.

Abstract

The invention relates to a handling device which includes: an endless belt (24) for conveying the strip (20), guided and driven by a set of rollers (R1 to R8) mounted such as to rotate about shafts parallel to a so-called transverse reference direction (Y); a winding device (28) for winding the strip (20), arranged above the carrying side (24P), rotatably mounted about a shaft substantially parallel to the transverse direction (Y); and a means (46) for provisionally diverting the path of a carrying side (24P) of the belt between a normal path of the carrying side (24P), substantially tangential to the winding device (28), and a provisional path for winding the carrying side (24P) about a sector of more than 90° of the winding device (28).

Description

DISPOSITIF DE MANUTENTION D'UNE BANDE DE PRODUIT CONTENANT DE LA GOMME ET PROCEDE DE PRODUCTION D'UN ROULE SUR LEQUEL EST  DEVICE FOR HANDLING A TAPE OF PRODUCT CONTAINING THE GUM AND METHOD FOR PRODUCING A ROLL ON WHICH IS
ENROULEE CETTE BANDE.  ROLL THIS BAND.
[001] L'invention concerne le domaine de la manutention d'une bande de produit contenant de la gomme, destinée à la fabrication d'un pneumatique. [002] Dans ce qui suit, on inclut dans les différents procédés possibles de fabrication d'un pneumatique le rechapage d'un pneumatique à l'aide d'une bande de produit contenant de la gomme. [001] The invention relates to the field of handling a product tape containing rubber, intended for the manufacture of a tire. In what follows, is included in the various possible methods of manufacturing a tire retreading of a tire using a strip of product containing rubber.
[003] On connaît déjà dans l'état de la technique une installation pour la fabrication de bandes de produit contenant de la gomme comportant des moyens de découpage longitudinal d'une large bande brute en plusieurs bandes étroites. La bande brute de produit contenant de la gomme est obtenue par exemple par un procédé classique de calandrage. [003] Already known in the state of the art an installation for the manufacture of rubber containing product strips having longitudinal cutting means of a wide raw band in several narrow strips. The raw strip of product containing gum is obtained for example by a conventional calendering method.
[004] Les bandes obtenues par découpage longitudinal de la bande brute ont par exemple une épaisseur comprise entre 0,6 et 3 mm et une largeur comprise entre 20 mm et 1500 mm. On peut par exemple former de deux à vingt-quatre bandes de produit par découpage longitudinal de la bande brute. [004] The bands obtained by longitudinal cutting of the raw strip have for example a thickness of between 0.6 and 3 mm and a width of between 20 mm and 1500 mm. For example, from two to twenty-four strips of product can be formed by longitudinal cutting of the raw strip.
[005] Une installation classique de fabrication de bandes de produit comprend généralement, en aval des moyens de découpages longitudinal, au moins un dispositif de manutention d'une bande de produit comportant un tapis sans fin de convoyage de la bande guidé et entraîné par un ensemble de rouleaux rotatifs d'axes parallèles à une direction de référence dite transversale. [005] A conventional product strip manufacturing installation generally comprises, downstream of the longitudinal cutting means, at least one device for handling a product strip comprising an endless conveying conveyor belt guided and driven by a set of rotary rollers with axes parallel to a so-called transverse reference direction.
[006] Au moins certains de ces rouleaux séparent un brin porteur du tapis, généralement sensiblement horizontal, d'un brin de retour inférieur du tapis. La bande de produit est destinée à être portée par le brin porteur jusqu'à un roule d'enroulement de la bande, disposé au-dessus du brin porteur, monté rotatif autour d'un axe sensiblement parallèle à la direction transversale. [006] At least some of these rollers separate a carrier strand of the carpet, generally substantially horizontal, from a lower return strand of the carpet. The strip of product is intended to be carried by the carrier strand to a winding roll of the strip, disposed above the carrier strand, rotatably mounted about an axis substantially parallel to the transverse direction.
[007] La bande de produit est stockée temporairement sur le roule entre le moment de sa fabrication et le moment de son utilisation pour fabriquer un pneumatique. [007] The strip of product is stored temporarily on the roll between the time of manufacture and the moment of its use to manufacture a tire.
[008] Habituellement, on enroule simultanément avec la bande de produit une bande intercalaire destinée à séparer radialement entre elles les différentes spires de la bande de produit autour du roule afin d'éviter le collage entre elles des différentes spires de bande de produit. [008] Usually, a spacer strip is wound simultaneously with the product strip to separate the different turns of the strip radially between them. of product around the roll in order to avoid the bonding between them of the different turns of product strip.
[009] L'enroulement de la bande de produit sur le roule se fait généralement conformément à un procédé comportant une étape initiale d'accrochage d'une extrémité libre de la bande sur le roule vide. [009] The winding of the strip of product on the roll is generally in accordance with a method comprising an initial step of hooking a free end of the strip on the empty roll.
[010] De façon classique, l'étape d'accrochage de l'extrémité libre de la bande sur le roule est réalisée par un opérateur qui saisit l'extrémité de la bande entraînée par le tapis et l'enroule partiellement autour du roule vide. L'enroulement de la bande autour du roule se poursuit ensuite automatiquement du fait que ce roule est entraîné en rotation par contact avec le tapis sans fin. [010] In a conventional manner, the hooking step of the free end of the strip on the roll is performed by an operator who grasps the end of the strip driven by the mat and wraps it partially around the empty roll. . The winding of the band around the roll then continues automatically because this roll is rotated by contact with the endless belt.
[011] Or, pour pouvoir saisir l'extrémité libre de la bande, l'opérateur doit ralentir la vitesse de déplacement de la bande et donc du brin porteur du tapis, ce qui est susceptible de modifier les paramètres géométriques de cette bande. De plus, si la vitesse du brin porteur est trop élevée lors de l'accrochage de la bande, l'opérateur peut se coincer un doigt entre le tapis et le roule. [011] Now, to be able to grasp the free end of the band, the operator must slow the speed of movement of the band and therefore the carrier strand of the carpet, which is likely to change the geometric parameters of this band. In addition, if the speed of the carrier strand is too high during the attachment of the band, the operator can jam a finger between the belt and the roll.
[012] L'invention a notamment pour but d'éviter qu'un opérateur saisisse l'extrémité libre de la bande pour accrocher cette bande sur le roule vide. The object of the invention is in particular to prevent an operator from grasping the free end of the band to hang this band on the empty roll.
[013] A cet effet, l'invention a pour objet un dispositif de manutention d'une bande de produit contenant de la gomme, destinée à la fabrication d'un pneumatique, du type comprenant [013] For this purpose, the subject of the invention is a device for handling a strip of product containing rubber, intended for the manufacture of a tire, of the type comprising
- un tapis sans fin de convoyage de la bande, guidé et entraîné par un ensemble de rouleaux montés rotatifs autour d'axes parallèles à une direction dite transversale, au moins certains de ces rouleaux séparant un brin porteur du tapis destiné à porter la bande d'un brin de retour du tapis, et - un roule d'enroulement de la bande, disposé au-dessus du brin porteur, monté rotatif autour d'un axe sensiblement parallèle à la direction transversale,  an endless carpet for conveying the web, guided and driven by a set of rollers rotatably mounted about axes parallel to a so-called transverse direction, at least some of these rollers separating a carrying strand from the carpet intended to carry the web; a return strand of the belt, and - a winding roll of the belt, disposed above the carrier strand, rotatably mounted about an axis substantially parallel to the transverse direction,
caractérisé en ce qu'il comprend de plus des moyens de déviation temporaire du trajet du brin porteur entre un trajet normal du brin porteur, sensiblement tangent au roule, et un trajet temporaire d'enroulement du brin porteur autour d'un secteur de plus de 90° du roule.  characterized in that it further comprises means for temporary deflection of the path of the carrier strand between a normal path of the carrying strand, substantially tangential to the roll, and a temporary winding path of the carrying strand around a sector of more than 90 ° of the roll.
[014] Les moyens de déviation temporaire du trajet du brin porteur du tapis permettent d'accrocher une extrémité libre de la bande de produit sur un roule vide sans qu'un opérateur ait à saisir l'extrémité libre de cette bande. En effet, lorsque l'on souhaite accrocher l'extrémité libre d'une bande de produit sur le roule vide, on active les moyens de déviation temporaire du trajet du brin porteur du tapis. Ceci a pour effet d'enrouler partiellement le brin porteur du tapis, conjointement avec l'extrémité libre de la bande de produit, sur un secteur de plus de 90° du roule. L'adhérence entre la bande de produit et le roule vide est alors suffisante pour provoquer l'accrochage de cette extrémité libre sur le roule. L'enroulement de la bande autour du roule se poursuit par l'entraînement en rotation du roule au contact du tapis sans fin. [014] The means of temporary deflection of the path of the carrying strand of the carpet allow to hang a free end of the strip of product on an empty roll without an operator has to grasp the free end of this band. Indeed, when one wishes to hang the free end of a strip of product on the empty roll, activates the means of temporary deflection of the path of the carrying strand of the carpet. This has the effect of partially winding the carrying strand of the carpet, together with the free end of the strip of product, over a sector of more than 90 ° of the roll. The adhesion between the strip of product and the empty roll is then sufficient to cause the attachment of this free end on the roll. The winding of the band around the roll continues by rotating the roll in contact with the endless belt.
[015] Habituellement, le brin porteur du tapis sans fin est sensiblement horizontal. L'enroulement partiel de la bande de produit réalisé par le brin porteur dévié est facilité par la séparation de la bande de produit d'avec le brin porteur dévié sous l'effet de la gravité. [015] Usually, the carrying strand of the endless belt is substantially horizontal. The partial winding of the product web produced by the deflected carrier strand is facilitated by the separation of the product web from the deflected carrier strand under the effect of gravity.
[016] Le dispositif de manutention selon l'invention peut également comporter au moins une des caractéristiques optionnelles suivantes: [016] The handling device according to the invention may also comprise at least one of the following optional features:
- dans son trajet temporaire, le brin porteur s'enroule autour d'un secteur du roule compris entre 120 et 160°;  - In its temporary path, the carrier strand wraps around a sector of the wheel between 120 and 160 °;
- le brin porteur s'allonge entre ses trajets normal et temporaire, le tapis comprenant un brin de compensation dont la longueur varie inversement à celle du brin porteur;  the carrier strand elongates between its normal and temporary paths, the belt comprising a compensation strand whose length varies inversely with that of the carrier strand;
- les moyens de déviation comprennent un rouleau de déviation, monté rotatif autour d'un axe parallèle à la direction transversale, et des moyens de déplacement de ce rouleau de déviation en translation orthogonalement à la direction transversale, entre une position de repos et une position active de déviation du trajet du brin porteur, ces moyens de déplacement du rouleau de déviation comportant de préférence un vérin, l'ensemble de rouleaux de guidage et d'entraînement comprenant un rouleau de compensation, guidant le brin de compensation, relié à des moyens de déplacement de ce rouleau de compensation en translation orthogonalement à la direction transversale, ces moyens de déplacement du rouleau de compensation comprenant de préférence un vérin;  the deflection means comprise a deflection roll, rotatably mounted about an axis parallel to the transverse direction, and means for moving the deflection roll in translation orthogonal to the transverse direction, between a rest position and a position active means of deflection of the path of the carrier strand, these displacement means of the deflection roller preferably comprising a jack, the guide and drive roller assembly comprising a compensating roller, guiding the compensating strand, connected to means moving the compensation roller in translation orthogonally to the transverse direction, the displacement means of the compensation roller preferably comprising a jack;
- le dispositif comprend des moyens de découpage transversal de la bande disposés en amont du roule ;  - The device comprises means for transverse cutting of the strip disposed upstream of the roll;
- le dispositif comprend des moyens de pilotage des moyens de déplacement du rouleau de déviation et des moyens de déplacement du rouleau de compensation en fonction d'au moins un paramètre choisi parmi une mesure de la vitesse de déplacement du tapis et un paramètre d'état des moyens de découpage transversal de la bande;  the device comprises means for controlling the displacement means of the deflection roller and means for displacing the compensation roller as a function of at least one parameter chosen from a measurement of the speed of movement of the belt and a state parameter means for transverse cutting of the strip;
- le dispositif comprend des moyens de déplacement du roule parallèlement à un plan perpendiculaire à la direction transversale, comprenant notamment un vérin; the device comprises means for moving the roll parallel to a plane perpendicular to the transverse direction, comprising in particular a jack;
- le dispositif comprend des moyens de pilotage des moyens de déplacement du roule en fonction d'au moins un paramètre choisi parmi une mesure de la pression exercée sur le tapis par le roule, et un paramètre d'état des moyens de découpage transversal de la bande.  the device comprises means for controlling the roll displacement means as a function of at least one parameter chosen from a measurement of the pressure exerted on the belt by the roll, and a state parameter of the transverse cutting means of the roll. bandaged.
[017] L'invention a également pour objet une installation pour la fabrication de bandes de produit contenant de la gomme, destinées à la fabrication d'un pneumatique, du type comprenant [017] The invention also relates to an installation for the manufacture of product strips containing rubber, intended for the manufacture of a tire, of the type comprising
- des moyens de découpage longitudinal d'une bande brute de produit contenant de la gomme en bandes adjacentes de produit,  longitudinal cutting means of a raw strip of product containing rubber in adjacent strips of product,
- un ou plusieurs dispositifs de manutention de bande de produit, et  one or more product tape handling devices, and
- des moyens de guidage desdites bandes vers le ou les dispositifs de manutention respectifs,  means for guiding said strips towards the respective handling device or devices,
caractérisée en ce qu'au moins un dispositif de manutention est selon l'invention.  characterized in that at least one handling device is according to the invention.
[018] Selon une autre caractéristique optionnelle de cette installation, dans le cas où elle comprend plusieurs dispositifs de manutention, ceux-ci sont décalés en hauteur entre eux. [018] According to another optional feature of this installation, in the case where it comprises several handling devices, they are offset in height between them.
[019] L'invention a également pour objet un procédé de production d'un roule sur lequel est enroulée une bande de produit contenant de la gomme, destinée à la fabrication d'un pneumatique, du type comprenant une étape d'accrochage d'une extrémité libre de la bande sur le roule vide, caractérisé en ce que l'étape d'accrochage est réalisée à l'aide des moyens de déviation temporaire du trajet du brin porteur d'un dispositif de manutention selon l'invention. The invention also relates to a method for producing a roll on which is wrapped a strip of product containing rubber, intended for the manufacture of a tire, of the type comprising a fastening step of a free end of the strip on the empty roll, characterized in that the attachment step is carried out using temporary deflection means of the path of the carrying strand of a handling device according to the invention.
[020] L'invention sera mieux comprise à la lecture de la description qui va suivre donnée uniquement à titre d'exemple et faite en se référant à la figure unique représentant une vue en élévation d'une installation pour la fabrication de bandes de produit, selon l'invention. [020] The invention will be better understood on reading the following description given solely by way of example and with reference to the single figure showing an elevational view of an installation for the manufacture of product strips. according to the invention.
[021] On a représenté sur la figure une installation selon l'invention, désignée par la référence générale 10, pour la fabrication de bandes de produit contenant de la gomme. Ces bandes sont destinées à la fabrication de pneumatiques. [021] There is shown in the figure an installation according to the invention, designated by the general reference 10, for the manufacture of product strips containing gum. These strips are intended for the manufacture of tires.
[022] L'installation 10 comprend, d'amont en aval en considérant le sens de circulation des bandes de produit dans cette installation, des moyens classiques 12 de découpage longitudinal d'une bande brute 14 de produit et au moins deux dispositifs de manutention de bandes de produit, respectivement supérieur 16 et inférieur 18. [022] The installation 10 comprises, from upstream to downstream, considering the direction of circulation of the product strips in this installation, conventional cutting means 12 longitudinal of a raw strip 14 of product and at least two handling devices of product strips, respectively upper 16 and lower 18.
[023] Les dispositifs de manutention, supérieur 16, et inférieur 18, étant similaires, on ne décrira ci-dessous plus en détail que le dispositif de manutention supérieur 16. [024] La bande brute 14 de produit contenant de la gomme est fabriquée par exemple à l'aide d'un procédé classique de calandrage et comprend, le cas échéant, des câbles d'armature. [023] The handling devices, upper 16, and lower 18, being similar, will be described below in more detail than the upper handling device 16. [024] The raw strip 14 of product containing gum is manufactured for example using a conventional calendering method and comprises, if necessary, reinforcing cables.
[025] La bande brute 14 est découpée longitudinalement à l'aide des moyens 12 en au moins deux bandes adjacentes 20 de produit. Sur la figure, les bandes 20 sont représentées en trait épais interrompu. [025] The raw strip 14 is cut longitudinally using the means 12 in at least two adjacent strips 20 of product. In the figure, the strips 20 are shown in thick broken lines.
[026] L'installation 10 comprend des premiers moyens classiques 22 de guidage d'une première bande 20 vers le dispositif de manutention supérieur 16 et des seconds moyens classiques de guidage de la seconde bande 20 vers le dispositif de manutention inférieur. [027] Le dispositif de manutention 16 comprend un tapis sans fin 24 de convoyage de la bande 16. Ce tapis 24, par exemple en matériau à base de coton, est guidé et entraîné par un ensemble de rouleaux R1 à R8 montés rotatifs autour d'axes parallèles à une direction de référence Y dite transversale. [026] The installation 10 comprises first conventional means 22 for guiding a first band 20 to the upper handling device 16 and second conventional means for guiding the second band 20 to the lower handling device. [027] The handling device 16 comprises an endless belt 24 for conveying the strip 16. This belt 24, for example of cotton-based material, is guided and driven by a set of rollers R1 to R8 rotatably mounted around axes parallel to a reference direction Y said transverse.
[028] Le tapis 24 comprend un brin porteur supérieur 24P, sensiblement horizontal, et un brin de retour inférieur 24R. [028] The belt 24 comprises an upper horizontal strand 24P, substantially horizontal, and a lower return strand 24R.
[029] Le brin porteur 24P, destiné à porter la bande de produit 16, s'étend par exemple d'un rouleau de renvoi amont R1 à un rouleau de renvoi aval supérieur R4. Le brin de retour 24R s'étend par exemple d'un rouleau de renvoi aval inférieur R6 jusqu'au rouleau de renvoi amont R1. [030] Dans l'exemple décrit, le rouleau de renvoi aval supérieur R4 est motorisé afin d'assurer l'entraînement du tapis 24. [029] The carrier strand 24P, intended to carry the product strip 16, extends for example from an upstream return roller R1 to an upper downstream return roller R4. The return run 24R extends for example from a lower downstream return roller R6 to the upstream return roller R1. [030] In the example described, the upper downstream return roller R4 is motorized in order to drive the belt 24.
[031] Le dispositif de manutention 16 comprend également au moins un ensemble 26 à roule. Cet ensemble 26 comprend un roule 28 d'enroulement de la bande 16, disposé au-dessus du brin porteur 24P. Le roule 28 est monté rotatif autour d'un axe sensiblement parallèle à la direction transversale Y. [031] The handling device 16 also comprises at least one set 26 rolling. This assembly 26 comprises a roll 28 of winding of the strip 16, disposed above the carrying strand 24P. The roll 28 is rotatably mounted about an axis substantially parallel to the transverse direction Y.
[032] Le roule 28 est porté par une première extrémité d'une bascule 30 articulée autour d'un axe parallèle à la direction transversale Y. Une seconde extrémité de la bascule 30 est reliée à une tige de vérin 32. Ce vérin 32 forme des moyens de déplacement du roule 28 parallèlement à un plan perpendiculaire à la direction transversale Y. [032] The roll 28 is carried by a first end of a rocker 30 articulated about an axis parallel to the transverse direction Y. A second end of the flip-flop 30 is connected to a cylinder rod 32. This cylinder 32 forms means for moving the wheel 28 parallel to a plane perpendicular to the transverse direction Y.
[033] L'ensemble 26 comprend également un rouleau 34, monté rotatif autour d'un axe parallèle à la direction transversale Y, d'alimentation en bande intercalaire classique 36. Sur la figure, on a représenté la bande intercalaire 36 s'étendant entre le rouleau 34 et le roule 28. La bande intercalaire 36 est guidée par un rouleau déplisseur 38 destiné à déplisser la bande 36 généralement en textile, par exemple en coton. [033] The assembly 26 also comprises a roller 34, rotatably mounted about an axis parallel to the transverse direction Y, conventional intermediate belt feed 36. In the figure, there is shown the spacer strip 36 extending between the roll 34 and the roll 28. The spacer strip 36 is guided by a spreader roll 38 for unfolding the strip 36 generally made of textile, for example cotton.
[034] La bande 36 est destinée à s'intercaler entre les spires de la bande 16 de produit de façon à éviter leur collage entre elles. La bande intercalaire 36 est accrochée sur le roule 28 de façon connue en soi. [034] The band 36 is intended to be inserted between the turns of the strip 16 of product so as to avoid sticking them. The spacer strip 36 is attached to the roll 28 in a manner known per se.
[035] On notera qu'un rouleau de guidage R3, en contact avec la surface interne du tapis 24, est disposé sensiblement à l'aplomb du roule 28. Ce rouleau R3 est relié à des moyens classiques 40 de mesure de la pression exercée par le roule 28 sur le tapis 24. [035] Note that a guide roller R3, in contact with the inner surface of the belt 24, is disposed substantially in line with the roll 28. This roller R3 is connected to conventional means 40 for measuring the pressure exerted by the wheel 28 on the carpet 24.
[036] Le cas échéant, comme cela est représenté sur la figure, le dispositif de manutention 16 comporte un second ensemble 26A à roule, similaire à l'ensemble 26, disposé en aval de cet ensemble 26. Les éléments de l'ensemble 26A similaires aux éléments de l'ensemble 26 sont désignés par des références identiques. L'ensemble 26A ne sera pas décrit davantage. [036] Where appropriate, as shown in the figure, the handling device 16 comprises a second assembly 26A rolled, similar to the assembly 26, disposed downstream of this assembly 26. The elements of the assembly 26A similar to the elements of the set 26 are designated by identical references. The set 26A will not be further described.
[037] Le dispositif de manutention 16 comprend également des moyens classiques 42 de découpage transversal de la bande 20 disposés en amont des ensembles 26 et 26A, c'est-à-dire en amont du roule 28 de chaque ensemble. [037] The handling device 16 also comprises conventional means 42 for transverse cutting of the strip 20 disposed upstream of the sets 26 and 26A, that is to say upstream of the roll 28 of each set.
[038] Les moyens de découpage transversal 42 sont activés périodiquement de façon à alimenter alternativement les ensembles 26 et 26A en bande de produit. [038] The transverse cutting means 42 are periodically activated so as alternately supply the sets 26 and 26A product strip.
[039] On notera que l'on a représenté sur la figure le roule 28 de l'ensemble 26 dans un état vide et le roule 28 de l'ensemble 26A dans un état plein. [039] It will be noted that the figure 28 shows the roll of the assembly 26 in an empty state and the roll 28 of the assembly 26A in a full state.
[040] Le dispositif de manutention 16 comprend également des moyens classiques 44 de pilotage de différents moyens du dispositif de manutention 16. [041] En particulier, les moyens 44 sont destinés à piloter le vérin 32 de déplacement du roule 28 en fonction d'au moins un paramètre choisi parmi une mesure fournie par les moyens 40 de mesure de pression et un paramètre d'état des moyens de découpage transversal 42. Ainsi, les moyens de pilotage 44 peuvent piloter le vérin 32 de déplacement du roule 28 de façon à limiter la pression qu'il exerce sur le tapis 24 au fur et à mesure que la masse de bande de produit enroulée sur ce roule 28 augmente. [040] The handling device 16 also comprises conventional means 44 for controlling various means of the handling device 16. [041] In particular, the means 44 are intended to control the cylinder 32 for moving the wheel 28 as a function of at least one parameter selected from a measurement provided by the pressure measuring means 40 and a state parameter of the means of transverse cutting 42. Thus, the control means 44 can control the cylinder 32 for moving the roll 28 so as to limit the pressure it exerts on the belt 24 as the mass of product strip wound on it rolls 28 increases.
[042] Le dispositif de manutention 16 comprend, associés à chacun des ensembles 26, 26A, des moyens 46 de déviation temporaire du trajet du brin porteur 24P du tapis. Les moyens de déviation 46 permettent de dévier temporairement le trajet du brin porteur 24P entre un trajet normal du brin porteur 24P sensiblement tangent au roule 28 (selon le cas considéré vide, en cours de remplissage ou plein) et un trajet temporaire d'enroulement du brin porteur 24P autour d'un secteur de plus de 90° du roule 28. [042] The handling device 16 comprises, associated with each of the sets 26, 26A, means 46 for temporary deflection of the path of the carrying strand 24P carpet. The deflection means 46 make it possible to temporarily deflect the path of the carrier strand 24P between a normal path of the carrying strand 24P substantially tangential to the roll 28 (depending on the case considered empty, during filling or full) and a temporary winding path of the carrying strand 24P around an area of more than 90 ° of roll 28.
[043] En considérant la figure, on notera que les moyens de déviation 46 associés à l'ensemble 26 sont représentés dans un état imposant au brin porteur 24P un trajet temporaire d'enroulement partiel autour du roule 28 alors que les moyens de déviation 46 associés à l'ensemble 26A sont représentés dans un état imposant au brin porteur 24P un trajet normal. [043] Referring to the figure, it will be noted that the deflection means 46 associated with the assembly 26 are represented in an imposing state on the carrier strand 24P a temporary partial winding path around the roll 28 while the deflection means 46 associated with the assembly 26A are represented in an imposing state on the carrier strand 24P a normal path.
[044] De préférence, dans son trajet temporaire, le brin porteur 24P s'enroule autour d'un secteur du roule compris entre 120° et 160°. [044] Preferably, in its temporary path, the carrier strand 24P wraps around a sector of the roll between 120 ° and 160 °.
[045] On notera que le brin porteur 24P s'allonge entre ses trajets normal et temporaire. Pour tenir compte de cet allongement, le tapis 24 comprend un brin de compensation 24C (voir partie aval du tapis 24) dont la longueur varie inversement à celle du brin porteur 24P. [045] Note that the carrier strand 24P elongates between its normal and temporary paths. To account for this elongation, the belt 24 comprises a compensating strand 24C (see downstream portion of the belt 24) whose length varies inversely with that of the carrier strand 24P.
[046] Dans l'exemple illustré, les moyens de déviation 46 comprennent un rouleau de déviation 48, monté rotatif autour d'un axe parallèle à la direction transversale Y, en contact avec la surface interne du tapis 24. [047] Le rouleau de déviation 48 est porté par l'extrémité libre d'une tige de vérin 50 formant des moyens de déplacement de ce rouleau de déviation 48 en translation orthogonalement à la direction transversale Y, entre une position de repos (voir sur la figure le vérin 50 associé à l'ensemble 26A) et une position active de déviation du trajet du brin porteur 24P (voir sur la figure le vérin 50 associé à l'ensemble 26). [048] Le cas échéant, le trajet temporaire du brin porteur 24P est formé également par des moyens classiques de guidage 51 destinés à venir en contact avec la surface externe du tapis 24. [046] In the illustrated example, the deflection means 46 comprise a deflection roller 48, rotatably mounted about an axis parallel to the transverse direction Y, in contact with the inner surface of the belt 24. [047] The roller deflection 48 is carried by the free end of a cylinder rod 50 forming displacement means of the deflection roller 48 in translation orthogonal to the transverse direction Y, between a rest position (see in the figure the cylinder 50 associated with the assembly 26A) and an active position of deflection of the path of the carrier strand 24P (see in the figure the cylinder 50 associated with the assembly 26). [048] Where appropriate, the temporary path of the carrier strand 24P is also formed by conventional guide means 51 intended to come into contact with the outer surface of the belt 24.
[049] Le brin de compensation 24C relie le brin porteur 24P au brin de retour 24R et s'étend, dans l'exemple décrit, du rouleau de renvoi aval supérieur R4 jusqu'au rouleau de renvoi aval inférieur R6. Par ailleurs, le brin 24C est guidé par le rouleau R5 formant un rouleau de compensation. [049] The compensation strand 24C connects the carrier strand 24P to the return strand 24R and extends, in the example described, the upper downstream return roller R4 to the lower downstream return roller R6. Moreover, the strand 24C is guided by the roller R5 forming a compensation roller.
[050] Ce rouleau de compensation R5 est porté par l'extrémité libre d'une tige de vérin 52 formant des moyens de déplacement de ce rouleau de compensation R5 en translation orthogonalement à la direction transversale Y. [050] This compensation roller R5 is carried by the free end of a cylinder rod 52 forming displacement means of the compensation roller R5 in translation orthogonal to the transverse direction Y.
[051] Le cas échéant, les déplacements de la tige du vérin 50 portant le rouleau de déviation 48 et de la tige du vérin 52 portant le rouleau de compensation R5 sont pilotés par les moyens 44 en fonction d'au moins un paramètre choisi parmi un paramètre d'état des moyens 42 de découpage transversal et une mesure de vitesse de déplacement du tapis 24 fournie par des moyens classiques 54. [051] Where appropriate, the movements of the rod of the cylinder 50 carrying the deflection roller 48 and the rod of the cylinder 52 carrying the compensation roller R5 are controlled by the means 44 as a function of at least one parameter chosen from a state parameter of the transverse cutting means 42 and a measurement of the speed of movement of the belt 24 provided by conventional means 54.
[052] Le dispositif de manutention 16 permet d'accrocher facilement l'extrémité libre de la bande de produit 20. En effet, lorsque l'extrémité libre 20E de la bande arrive à proximité du roule 28 vide, les moyens 44 pilotent le déplacement du rouleau de déviation 48 de façon à enrouler partiellement le tapis 24 autour du roule 28 vide, comme cela est représenté sur la figure pour l'ensemble 26. Ceci a pour effet de séparer l'extrémité libre 20E d'avec le tapis 24 et de la faire adhérer sur le roule vide 28 de façon à accrocher la bande 20 sur ce roule 28. On notera que la gravité facilite la séparation de l'extrémité libre 20E de la bande d'avec le tapis 24 et l'accrochage de cette extrémité libre 20E sur le roule 28 vide. [052] The handling device 16 makes it easy to hang the free end of the product strip 20. In fact, when the free end 20E of the strip arrives near the empty roll 28, the means 44 drive the movement of the deflection roller 48 so as to partially wind up the belt 24 around the empty roller 28, as shown in the figure for the assembly 26. This has the effect of separating the free end 20E from the belt 24 and to adhere it to the empty roll 28 so as to hook the strip 20 on the roll 28. It will be noted that the gravity facilitates the separation of the free end 20E of the strip from the carpet 24 and the attachment of this free end 20E on the empty roll 28.
[053] Une fois l'accrochage de l'extrémité libre 20E de la bande sur le roule 28 réalisé, le rouleau de déviation 48 est rappelé dans sa position rétablissant le trajet normal du brin porteur 24P. [053] Once the attachment of the free end 20E of the strip on the roll 28 made, the deflection roller 48 is returned to its position restoring the normal path of the carrier strand 24P.
[054] Ainsi, on notera que, grâce à l'invention, l'étape d'accrochage d'une extrémité libre de la bande de produit 20 sur le roule 28 vide est réalisée à l'aide de moyens notamment mécaniques, sans qu'un opérateur ait à saisir l'extrémité libre 20E de la bande. [054] Thus, it will be noted that, thanks to the invention, the step of attaching a free end of the product strip 20 to the empty roll 28 is carried out using particularly mechanical means, without an operator has to grasp the free end 20E of the band.
[055] L'installation selon l'invention ne se limite pas au mode de réalisation décrit. En particulier, les moyens de découpage 12 peuvent découper la bande brute 14 en plusieurs, notamment plus de deux, bandes adjacentes 20. Plusieurs, notamment plus de deux, dispositifs de manutention peuvent être utilisés en les décalant en hauteur entre eux. Dans ce cas, des moyens de guidage guident les bandes 20 vers les dispositifs de manutention respectifs. [055] The installation according to the invention is not limited to the embodiment described. In particular, the cutting means 12 can cut the raw strip 14 into several, in particular more than two, adjacent strips 20. Several, in particular more than two, handling devices can be used by shifting them in height between them. In this case, guide means guide the strips 20 to the respective handling devices.

Claims

REVENDICATIONS
1 . Dispositif (16) de manutention d'une bande (20) de produit contenant de la gomme, destinée à la fabrication d'un pneumatique, du type comprenant 1. Device (16) for handling a strip (20) of rubber-containing product intended for the manufacture of a tire, of the type comprising
- un tapis (24) sans fin de convoyage de la bande (20), guidé et entraîné par un ensemble de rouleaux (R1 à R8) montés rotatifs autour d'axes parallèles à une direction dite transversale (Y), au moins certains de ces rouleaux (R1 à R8) séparant un brin porteur (24P) du tapis destiné à porter la bande (20) d'un brin de retour (24R) du tapis, et  an endless belt (24) conveying the web (20), guided and driven by a set of rollers (R1 to R8) rotatably mounted about axes parallel to a transverse direction (Y), at least some of these rollers (R1 to R8) separating a carrier strand (24P) from the belt for carrying the belt (20) of a return strand (24R) of the belt, and
- un roule (28) d'enroulement de la bande (20), disposé au-dessus du brin porteur (24P), monté rotatif autour d'un axe sensiblement parallèle à la direction transversale (Y),  - a roll (28) for winding the strip (20), arranged above the carrying strand (24P), rotatably mounted about an axis substantially parallel to the transverse direction (Y),
caractérisé en ce qu'il comprend de plus des moyens (46) de déviation temporaire du trajet du brin porteur (24P) entre un trajet normal du brin porteur (24P), sensiblement tangent au roule (28), et un trajet temporaire d'enroulement du brin porteur (24P) autour d'un secteur de plus de 90° du roule (28).  characterized in that it further comprises means (46) for temporary deflection of the path of the carrying strand (24P) between a normal path of the carrying strand (24P), substantially tangential to the roll (28), and a temporary path of winding of the carrying strand (24P) around an area of more than 90 ° of the roll (28).
2. Dispositif selon la revendication 1 , dans lequel, dans son trajet temporaire, le brin porteur (24P) s'enroule autour d'un secteur du roule (28) compris entre 120 et 160°. 2. Device according to claim 1, wherein, in its temporary path, the carrier strand (24P) wraps around a sector of the roll (28) between 120 and 160 °.
3. Dispositif selon la revendication 1 ou 2, dans lequel le brin porteur (24P) s'allonge entre ses trajets normal et temporaire, le tapis (24) comprenant un brin de compensation (24C) dont la longueur varie inversement à celle du brin porteur (24P). 3. Device according to claim 1 or 2, wherein the carrier strand (24P) elongates between its normal and temporary paths, the belt (24) comprising a compensating strand (24C) whose length varies inversely with that of the strand. carrier (24P).
4. Dispositif selon la revendication 3, dans lequel les moyens de déviation (46) comprennent un rouleau de déviation (48), monté rotatif autour d'un axe parallèle à la direction transversale (Y), et des moyens (50) de déplacement de ce rouleau de déviation (48) en translation orthogonalement à la direction transversale (Y), entre une position de repos et une position active de déviation du trajet du brin porteur (24P), ces moyens (50) de déplacement du rouleau de déviation (48) comportant de préférence un vérin (50), l'ensemble de rouleaux de guidage et d'entraînement comprenant un rouleau (R5) de compensation, guidant le brin de compensation (24C), relié à des moyens (52) de déplacement de ce rouleau de compensation (R5) en translation orthogonalement à la direction transversale (Y), ces moyens de déplacement du rouleau de compensation (R5) comprenant de préférence un vérin (52). 4. Device according to claim 3, wherein the deflection means (46) comprises a deflection roller (48), rotatably mounted about an axis parallel to the transverse direction (Y), and means (50) displacement of this deflection roll (48) in translation orthogonal to the transverse direction (Y), between a rest position and an active position of deflection of the path of the carrying strand (24P), these means (50) for moving the deflection roll (48) preferably comprising a ram (50), the guide and drive roller assembly including a compensating roller (R5), guiding the compensation strand (24C), connected to displacement means (52) of said compensation roller (R5) in translation orthogonal to the transverse direction (Y), these displacement means of the compensation roller (R5) preferably comprising a jack (52).
5. Dispositif selon l'une quelconque des revendications précédentes, comprenant des moyens (42) de découpage transversal de la bande (20) disposés en amont du roule (28). 5. Device according to any one of the preceding claims, comprising means (42) for transverse cutting of the strip (20) arranged upstream of the roll (28).
6. Dispositif selon les revendications 4 et 5 prises ensemble, comprenant des moyens (44) de pilotage des moyens (50) de déplacement du rouleau de déviation (48) et des moyens (52) de déplacement du rouleau de compensation (R5) en fonction d'au moins un paramètre choisi parmi une mesure de la vitesse de déplacement du tapis (24) et un paramètre d'état des moyens (42) de découpage transversal de la bande (20). 6. Device according to claims 4 and 5 taken together, comprising means (44) for controlling the means (50) for moving the deflection roller (48) and means (52) for moving the compensation roller (R5) in a function of at least one parameter selected from a measurement of the speed of movement of the belt (24) and a state parameter of the means (42) for transverse cutting of the belt (20).
7. Dispositif selon l'une quelconque des revendications précédentes, comprenant des moyens (32) de déplacement du roule (28) parallèlement à un plan perpendiculaire à la direction transversale (Y), comprenant notamment un vérin (32). 7. Device according to any one of the preceding claims, comprising means (32) for moving the roll (28) parallel to a plane perpendicular to the transverse direction (Y), comprising in particular a jack (32).
8. Dispositif selon les revendications 5 et 7 prises ensemble, comprenant des moyens (44) de pilotage des moyens (32) de déplacement du roule (28) en fonction d'au moins un paramètre choisi parmi une mesure de la pression exercée sur le tapis (24) par le roule (28), et un paramètre d'état des moyens (42) de découpage transversal de la bande (20). 8. Device according to claims 5 and 7 taken together, comprising means (44) for controlling the means (32) of displacement of the roll (28) according to at least one parameter selected from a measurement of the pressure exerted on the carpet (24) by the roll (28), and a state parameter means (42) transverse cutting of the strip (20).
9. Installation pour la fabrication de bandes (20) de produit contenant de la gomme, destinées à la fabrication d'un pneumatique, du type comprenant 9. Installation for the manufacture of strips (20) of product containing rubber, intended for the manufacture of a tire, of the type comprising
des moyens (12) de découpage longitudinal d'une bande brute (14) de produit contenant de la gomme en bandes (20) adjacentes de produit,  means (12) for longitudinally cutting a raw web (14) of gum-containing product into adjacent webs (20) of product,
- un ou plusieurs dispositifs (26, 26A) de manutention de bande de produit, et des moyens (22) de guidage desdites bandes vers le ou les dispositifs de manutention (16) respectifs,  one or more devices (26, 26A) for handling the product web, and means (22) for guiding said webs towards the respective handling device (16),
caractérisée en ce qu'au moins un dispositif de manutention (16) est selon l'une quelconque des revendications 1 à 8.  characterized in that at least one handling device (16) is according to any one of claims 1 to 8.
10. Installation selon la revendication 9, dans laquelle, dans le cas où elle comprend plusieurs dispositifs de manutention (26, 26A), ceux-ci sont décalés en hauteur entre eux. 10. Installation according to claim 9, wherein, in the case where it comprises several handling devices (26, 26A), they are offset in height between them.
1 1. Procédé de production d'un roule (28) sur lequel est enroulée une bande de produit (20) contenant de la gomme, destinée à la fabrication d'un pneumatique, du type comprenant une étape d'accrochage d'une extrémité libre de la bande (20) sur le roule vide (28), caractérisé en ce que l'étape d'accrochage est réalisée à l'aide des moyens (46) de déviation temporaire du trajet du brin porteur (24P) d'un dispositif de manutention (16) selon l'une quelconque des revendications 1 à 8. 1. A method for producing a roll (28) on which is wrapped a strip of product (20) containing rubber, intended for the manufacture of a tire, of the type comprising a step of attachment of an end free of the strip (20) on the empty roll (28), characterized in that the hooking step is carried out using the means (46) temporary deflection of the path of the carrier (24P) of a handling device (16) according to any one of claims 1 to 8.
EP10803609.6A 2009-11-27 2010-11-25 Device for handling a strip of product containing rubber and method for producing a winding device onto which said strip is wound Not-in-force EP2504261B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0958444A FR2953207B1 (en) 2009-11-27 2009-11-27 DEVICE FOR HANDLING A BAND OF A PRODUCT CONTAINING A GUM AND METHOD FOR PRODUCING A ROLL ON WHICH THE BAND IS WOUND
PCT/FR2010/052518 WO2011064502A1 (en) 2009-11-27 2010-11-25 Device for handling a strip of product containing rubber and method for producing a winding device onto which said strip is wound

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EP2504261B1 EP2504261B1 (en) 2015-09-16

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CN102781800B (en) 2015-11-25
WO2011064502A1 (en) 2011-06-03
US20130126660A1 (en) 2013-05-23
EP2504261B1 (en) 2015-09-16
CN102781800A (en) 2012-11-14
JP2013512159A (en) 2013-04-11
FR2953207B1 (en) 2011-12-30
BR112012012689A2 (en) 2020-08-11
FR2953207A1 (en) 2011-06-03

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