Righting device for welded pipe

The utility model discloses a righting device for a welded pipe, and relates to the technical field of welded pipe manufacturing and processing. Comprising a base, righting devices are arranged in the base and on the top of the base, a speed reduction device and a control mechanism are arranged in the base, each righting device comprises a moving plate, the moving plates penetrate through the top of the base and are slidably connected with the base, and the side, away from the center of the base, of each moving plate is fixed to one end of a spring A; the other end of the spring A is fixed to the inner wall of the base, and a through hole is formed in the movable plate. By means of the straightening device and the control mechanism, after a steel pipe is placed on the top of a driven roller, the driven roller drives a sliding block to move downwards under the gravity action of the steel pipe, at the moment, a worker pulls the steel pipe to control a clamping rod to relieve limiting of a movable plate, and the