Patent ID: 6373017
Filing Date: 2002-04-16
Classification: B21B,B23K

Abstract:
A metal block conveying apparatus in a continuous hot rolling wherein a rear end portion of a preceding metal block and a fore end portion of a succeeding metal block are heated and pressed against each other so that the preceding metal block and the succeeding metal block are joined to each other by a movable joining apparatus while the metal blocks are conveyed along the conveying apparatus together with the joining apparatus, said metal block conveying apparatus comprising:a plurality of table rollers and guide rollers for supporting the metal blocks at a plurality of positions along a longitudinal direction of the metal blocks; guide rails that are movable with the joining apparatus and engaged with said guide rollers, said guide rails each having a guide surface with a predetermined profile; a plurality of cylinders arranged below and supporting the respective guide rollers, said cylinders being operable to follow movement of the respective guide rollers vertically; upwards and downwards as the guide rollers are moved relative to, and along the guide surfaces of the guide rails; and a hydraulic circuit comprised of a hydraulic pipe which communicates cylinder heads of the cylinders with each other, for maintaining an inner pressure of each of the cylinder heads at a constant pressure.