Tank body forming machine

The utility model discloses a can body forming machine. A feeding mechanism and a forming mechanism are arranged on a machine tool; the forming mechanism comprises a driving assembly and a die chamber assembly and further comprises a punching rod assembly, a forming edge pressing assembly and a stretching edge pressing assembly. A cylindrical channel extending in the front-back direction is formed in the mold chamber assembly, and a forming ring, a stretching ring and a thinning ring are sequentially arranged along the cylindrical channel from back to front. The feeding mechanism conveys a sheet material to be processed to a forming station; a punch is arranged at the front end of the punch rod assembly, a forming edge pressing sleeve is arranged at the front end of the forming edge pressing assembly, and a stretching edge pressing sleeve is arranged at the front end of the stretching edge pressing assembly. The forming blank-pressing sleeve is sleeved outside the stretching blank-pressing sleeve, the stretch