Lifting and overturning positioner

The utility model discloses a lifting turnover positioner which comprises a base, a turnover seat is arranged on the base, the bottom of the turnover seat is installed on the base through a horizontal walking mechanism, and a lifting mechanism is arranged on the side face of the turnover seat. The lifting mechanism comprises a vertically arranged lifting seat, a centering clamping mechanism and a lifting driving mechanism, the centering clamping mechanism and the lifting driving mechanism are arranged on the lifting seat, the lifting driving mechanism is used for driving the centering clamping mechanism to move up and down in the vertical direction, and the centering clamping mechanism is transversely arranged; the lifting base and the overturning base are connected through a rotating mechanism, the rotating axis of the rotating mechanism is in the horizontal direction, and the rotating mechanism is used for driving the lifting base to rotate around the rotating axis. The positioner can achieve welding of wor