Core rod bead welding and round rod outer circle processing device

The utility model belongs to the field of bead welding machines, and particularly relates to a core rod bead welding and round rod outer circle processing device which is stable in the welding process. The core rod bead welding and round rod outer circle processing device comprises a workpiece support part and a workpiece bead welding part which are arranged side by side, the workpiece support part is mainly composed of a workpiece rail, a speed reducer, a chuck and a tail seat, the speed reducer is fixed on the ground through a base and connected with a motor, the speed reducer is coaxially connected with the chuck at the same time, one end of a workpiece is clamped through the chuck, the other end of the workpiece is pushed by the tail seat which slides on the workpiece rail, and a locating mechanism used for locating the tail seat on one position of the workpiece rail is arranged on the lower portion of the tail seat. Different operation mechanisms on two work platforms operate in a coordinated mode to pro