Fixed-point cutting device for special steel

The utility model discloses a fixed-point cutting device for special steel. The device comprises a fixed cabinet for providing a cutting space, supporting columns are fixedly mounted at the peripheraledge positions of the lower surface of the fixed cabinet; two groups of vertical rods are arranged on the front side of the upper surface of the fixed cabinet; a transverse plate is fixedly mounted between the upper ends of the two groups of vertical rods; the transverse plate is arranged above the fixed cabinet in parallel; l-shaped guide blocks are welded to the two sides of the upper surface of the fixed cabinet, an air cylinder is arranged in the middle of the upper surface of the transverse plate, a piston rod is perpendicularly and movably connected to the middle of the lower surface ofthe air cylinder, a mounting sleeve is arranged at the lower end of the piston rod, and a cutter sleeve is fixedly mounted on the lower surface of the mounting sleeve. According to the fixed-point cutting device for the speci