Manual angle steel cutting machine

The utility model belongs to the technical field of cutting equipment, and discloses a manual angle steel cutting machine which comprises a support welding part, the support welding part comprises a bottom plate arranged at the bottom, a pair of guide groove plates are arranged on the bottom plate, and a guide seat is arranged between the guide groove plates; an eccentric wheel is arranged on the guide seat and is connected with the guide seat through connecting rings arranged at the two ends; a handle rod is arranged on the eccentric wheel; an upper tool apron is welded below the guide seat, an upper blade is arranged on the upper tool apron, a lower tool apron corresponding to the upper tool apron is arranged on a bottom plate of the support welding part, a lower blade matched with the upper blade is arranged on the lower tool apron, the center line of the upper blade intersects with the center line of the lower blade, and the cutting angle of the upper blade is 2 degrees larger than the perpendicular angle