Efficient and safe overturning device for steel structure machining

The invention discloses an efficient and safe overturning device for steel structure machining, and relates to the technical field of overturning devices for steel structure machining. The supporting effect on steel structures of different sizes is improved. The device specifically comprises a base, a first mounting frame is fixed to the top of the base, an overturning motor is fixed to the outer wall of one side of the first mounting frame, the output end of the overturning motor is rotationally connected with a positioning cover, and a supporting motor is fixed to the center of the inner wall of one side of the positioning cover. By arranging a rotating frame, a supporting part and other structures, tubular and cylindrical steel structures can be arranged on the outer side of the supporting part, a supporting motor is controlled to work to drive the rotating frame to rotate, in the rotating process of the rotating frame, a sliding balls slide along sliding grooves, and as the rotating frame is of a cross-sh