Positioning device for profile steel machining

The utility model relates to the technical field of section steel, in particular to a positioning device for section steel processing, which comprises a supporting table, a through groove is arranged on the front side of the supporting table, a cross rod is fixedly connected to the inner wall of the through groove, a sliding sleeve is movably connected to the outer wall of the cross rod, and a first positioning frame is fixedly connected to the top of the sliding sleeve. A groove is formed in the inner bottom wall of the first positioning frame, and a buffer frame is fixedly connected to the inner bottom wall of the first positioning frame. According to the positioning device for profile steel machining, through the supporting table, the through groove, the transverse rod, the sliding sleeve, the first positioning frame, an adjusting rod, a movable sleeve, an adjusting frame, an extrusion plate, a rubber pad and a second positioning frame, a user can conveniently adjust the distance between the two positionin