Method and device in winding of a web

Details Method and device in winding of a web Method and device in winding of a web

B - Operations, Transporting

65

H

B65H 19/30 (2006.01) B65H 18/22 (2006.01) B65H 19/22 (2006.01)

Patent

CA 2449864

The invention relates to a method in winding of a web, in which method the web is wound onto a core (21) while supported by winding drums (11, 12), in which method the web is cut by a cutting device (19), a finished web roll (10) is removed by means of a transfer device (16), a new core (21) is moved to a space between the winding drums (11, 12), and in which method the winding is stopped to remove the finished roll (10) and to start a new roll. In the method, the core is moved onto support of one winding drum and a support member (22) and held in place by means of the support member (22) until a movable winding drum/movable winding drums (11, 12) has/have been moved to the starting position of winding. The invention also relates to a device in winding of a web, which device comprises winding drums (11, 12), on support and by means of which the web is wound onto a core (21) into a web roll (10), which device further comprises a cutting device (19) for cutting the web and a transfer device (16) for removing the finished web roll (10) and a core transfer device (20) for taking a new core (21) to a winding position onto support of a winding drum. A support member (22) is arranged in connection with the core transfer device (20) to hold the core in place against one winding drum during a set change in winding, that the core transfer device (20) of the device is placed beneath the winding drums (11, 12), and that at least one winding drum is movable.

L'invention concerne un procédé d'enroulement d'une bande continue, qui consiste à enrouler ladite bande, soutenue par des tambours d'enroulement (11, 12), autour d'un mandrin (21) et à la couper au moyen d'un outil de coupe (19). Une fois le rouleau de bande fini (10), on l'évacue au moyen d'un dispositif de transfert (16) et on déplace un nouveau mandrin (21) vers un espace entre les tambours d'enroulement (11, 12). Ledit procédé consiste en outre à arrêter l'opération d'enroulement afin de permettre l'évacuation du rouleau fini (10) et d'entamer un nouveau rouleau. Le procédé consiste également à déplacer le mandrin autour du support d'un tambour d'enroulement et d'un élément de support (22), et à le maintenir en place au moyen de l'élément de support (22) jusqu'à ce qu'un ou plusieurs tambours d'enroulement (11, 12) se déplacent vers la position de départ d'enroulement. L'invention concerne également un dispositif d'enroulement d'une bande continue, qui comprend des tambours d'enroulement (11, 12) grâce auxquels la bande est enroulée en rouleau de bande (10) autour d'un mandrin (21). Le dispositif comprend en outre un outil de coupe (19) destiné à couper la bande et un dispositif de transfert (16) pour évacuerle rouleau de bande fini (10), ainsi qu'un dispositif de transfert de mandrin (20) conçu pour apporter un nouveau mandrin (21) et le placer en position d'enroulement autour du support d'un tambour d'enroulement. Un élément de support (22) est disposé en relation avec le dispositif de transfert de mandrin (20) afin de maintenir le mandrin en place contre un tambour d'enroulement lors d'un changement lors de l'enroulement, le dispositif de transfert de mandrin (20) du dispositif étant placé sous les tambours d'enroulement (11, 12) et au moins un tambour d'enroulement étant mobile.

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