Patent ID: 6010055
Filing Date: 2000-01-04
Classification: B21B,B23Q,Y10T

Abstract:
A rolled plate joining apparatus, comprising:a truck that can travel reversibly in a rolling direction;tailing end pinch rolls that are mounted on said truck and can be moved vertically with the tailing end of a preceding rolled plate pinched horizontally;leading end pinch rolls that are mounted on said truck and can pinch horizontally the leading end of a succeeding rolled plate;a machining apparatus for cutting one surface of the tailing end of the preceding rolled plate and another surface of the leading end of the succeeding rolled plate;a pressure welding apparatus for compressing the preceding rolled plate and the succeeding rolled plate with the machined surfaces overlapped to reduce them approximately to the thickness of the rolled plates;a tailing end centering apparatus placed between said tailing end pinch rolls and said pressure welding apparatus for pressing opposite width ends of the tailing end of the rolled plate to align a center line of said preceding rolled plate with a center line of said joining apparatus in the rolling direction, wherein said tailing end centering apparatus further comprises an elevating apparatus and can carry out a centering operation for aligning the center line of the preceding rolled plate with the center line of the joining apparatus in the rolling direction, when the preceding plate is raised or lowered by said tailing end pinch rolls; anda leading end centering apparatus placed between said pressure welding apparatus and said leading end pinch rolls for pressing the opposite width ends to the leading end of the succeeding rolled plate to align a center line of said rolled plate with the center line of said joining apparatus in the rolling direction.