Device for swinging a roll for a moving web

Details Device for swinging a roll for a moving web Device for swinging a roll for a moving web

B - Operations, Transporting

65

H

B65H 23/038 (2006.01) B65G 39/16 (2006.01)

Patent

CA 2228623

A device (5) for swinging a roll (4) for a moving web (15) consists of a shaft (6) extending through the roll (4), with provision made for gearings (7, 8) on the ends of said shaft. A servo-drive (10) engages the gearing (7), putting the shaft (6) into rotation and displacing its end (9). Gearing (8) on the counter end (12) of the roll (4) translates the rotary motion of the shaft (6) into a motion of thrust of the counter end (12) in the opposite sense, so that shaft (6) is swiveled by the single servo-drive (10) around its central point (13). Roll (4) is rotatably supported on shaft (6) and is jointly swiveled with the latter (FIG. 1).

Dispositif (5) servant au pivotement d'un rouleau (4) pour une bande en mouvement (15), comprenant un arbre (6) traversant le rouleau (4), arbre aux extrémités duquel sont prévues des engrenages (7, 8). Un servomoteur (10) venant en prise avec la transmission (7) entraîne en rotation l'arbre (6) et déplace son extrémité (9). L'engrenage (8) situé à l'extrémité opposée (12) du rouleau (6) transforme le mouvement de rotation de l'arbre (6) en un mouvement de poussée en sens opposé de l'extrémité opposée (12), de sorte que l'arbre (6) pivote sous l'effet de la force exercée par l'unique servomoteur (10), autour de son centre (13). Le rouleau (4) est monté rotatif sur l'arbre (6) et est entraîné, dans son mouvement de pivotement, avec celui-ci.

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