Device to move the rolls in a four-high rolling stand for...

B - Operations – Transporting – 21 – B

Patent

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Details

B21B 31/16 (2006.01) B21B 31/18 (2006.01)

Patent

CA 2203081

Device to move the rolls in a four-high rolling stand to roll sheet and wide plate, the device comprising gripping means (12, 13) cooperating with the chock (14) of the respective lower (11) and upper (11a) roll, the gripping means (12, 13) presenting at least a closed position in which they make the chock (14) solid to the system of axial travelling (23, 24) of the rolls (11, 11a) and an open position in which they release the rolls (11, 11a), the gripping means (12, 13) cooperating with respective mating seatings defined laterally to the relative chock (14), each of the gripping means (12, 13) being respectively connected to the system of axial travelling (23, 24) by means of an articulated parallelogram unit able to move on a plane which is substantially at right angles to the rolling plane, the articulated parallelogram unit comprising paired rods, respectively (17,117;18,118), pinned at the front to the respective gripping means (12, 13) and associated at the rear with the axial travelling system (23, 24) by means of an articulation (19) with at least two axes of rotation.

Dispositif servant à déplacer les cylindres dans une cage à quatre cylindres pour laminer des feuilles et des tôles larges, le dispositif comprend des moyens de serrage (12, 13) agissant sur le bloc de prise (14) des cylindres inférieur (11) et supérieur appropriés (11a), les moyens de serrage (12, 13) possédant au moins une position fermée dans laquelle ils rendent solidaire le bloc de prise (14) du système de déplacement axial (23, 24) des cylindres (11, 11a) et une position ouverte dans laquelle ils libèrent les cylindres (11, 11a), les moyens de serrage (12, 13) s'adaptant aux sièges correspondants respectifs délimités latéralement sur le bloc de prise correspondant (14), chacun des moyens de serrage (12, 13) étant respectivement relié au système de déplacement axial (23, 24) au moyen d'une unité à parallélogramme articulé capable de se déplacer sur un plan essentiellement à angles droits avec le plan de laminage, cette unité comprenant des paires de barres, (17, 117, 18, 118), clavetées sur le devant au moyen de serrage correspondant (12, 13) et reliées à l'arrière au système de déplacement axial (23, 24) à l'aide d'une articulation (19) comptant au moins deux axes de rotation.

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