Eccentricity alignment device of large round forge piece for heavy vertical lathe

The utility model discloses an eccentric alignment device for a large round forge piece for a heavy vertical lathe, and relates to the technical field of industrial manufacturing. The vertical lathe clamping jaw comprises a clamping jaw seat and a T-shaped bolt; a workpiece body is placed on the auxiliary supporting assembly, and the eccentric degree of the workpiece can be confirmed by primary alignment of a vertical lathe rotary table after electrification; the eccentric alignment assembly and the thin jack are placed below the workpiece body, after the workpiece body is lifted by the alignment assembly and the thin jack, the workpiece body can roll on the fixed sliding block through the cooperation of the movable sliding block and the ball, and the clamping jaw is adjusted through the screw rod so that the workpiece body can move front, back, left and right. Alignment can be quickly and accurately carried out, and the production efficiency is improved; the hoisting tool is simple in structure, the risk tha