Turnover device for square billet steel coping

The utility model discloses a turning device for square billet steel coping, which comprises a track paved on the ground and a bench machine sliding on the track in a reciprocating manner, and a positioning device for limiting the position of the square billet steel is arranged on the bench machine; the positioning device comprises a placing table, a first limiting block used for limiting square billet steel is arranged on the edge of one side of the placing table, a right-angle groove used for square billet steel surface changing is formed in the plane of the upper end of the placing table, the right-angle groove is close to the first limiting block, a rotating plate which rotates in the vertical plane and is installed on the table machine is arranged in the middle of the placing table, and the rotating plate is in a triangular shape. The rotating base is fixedly installed on the side, away from the first limiting block, of the table machine, a hydraulic rod is rotationally installed in the middle of the tab