Device in connection with reel-up of a web

Details Device in connection with reel-up of a web Device in connection with reel-up of a web

B - Operations, Transporting

65

H

B65H 18/26 (2006.01)

Patent

CA 2344163

The invention relates to a device in connection with a reel-up of a web, which reel-up comprises at least a reeling means (C) mounted on bearings (7, 8) in the reel-up to guide a web (W) travelling in the reel-up on a reeling axle (T1), a reeling axle (T1) mounted on bearings (7, 8) in the reel-up to reel the web (W) around the reeling axle (T1), which reeling axle (T1) is arranged to rotate around a direction transverse to the web (W), first control means (1, 3) for setting and controlling the distance between the reeling means (C) and the reeling axle (T1), second control means (1, 5) for effecting and maintaining a force effect (F1) between the reeling means (C) and the reeling axle (T1). In the invention the second control means (1, 5) comprise an elastic element (E) that stores energy, to effect and maintain the force effect (F1), in which element (E) a change in a dimesion (D) is proportional to a change in the force effect (F1), and the reel-up comprises sensor means (6) which are arranged to measure said dimension (D).

Cette invention se rapporte à un dispositif utilisé avec une bobine de bande, cette bobine comprenant au moins un moyen de bobinage (C) monté sur des paliers (7, 8) dans la bobine, afin de guider une bande (W) s'enroulant dans la bobine sur un axe de bobinage (T1), un axe de bobinage (T1) monté sur des paliers (7, 8) dans la bobine, pour permettre l'enroulement de la bande (W) autour de l'axe de bobinage (T1), lequel est conçu pour tourner dans une direction transversale à la bande (W), un premier moyen de commande (1, 3) servant à régler et à commander la distance entre le moyen de bobinage (C) et l'axe de bobinage (T1), un second moyen de commande (1, 5) servant à produire et à maintenir une force (F1) entre le moyen de bobinage (C) et l'axe de bobinage (T1). Le second moyen de commande (1, 5) comporte un élément élastique (E) qui emmagasine de l'énergie, afin de produire et de maintenir la force en question (F1), élément (E) dans lequel toute variation de la dimension (D) est proportionnelle aux variations de la force (F1), et la bobine comprend un capteur (6) conçu pour mesurer cette dimension (D).

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