Assembled building construction mold

The utility model discloses an assembly type building construction mold which comprises a bottom assembly ring sleeve and a plurality of vertically arranged overlapped assembly ring sleeves, the assembly ring sleeves and the overlapped assembly ring sleeves are installed together through ring sleeve overlapping fixing mechanisms, side slot pieces are fixedly installed on the two sides of the bottom assembly ring sleeve, and the side slot pieces are fixedly installed on the bottom assembly ring sleeve. A side inserting column is inserted into an inserting groove in the side face of the side inserting groove piece, the tail end of the side inserting column extends to the outer side of the inserting groove and is fixedly provided with a rotary connecting sleeve, a rotary connecting lifting lead screw is rotationally connected into the rotary connecting sleeve, a rotary sleeve is rotationally installed at the bottom end of the rotary connecting lifting lead screw, and a semi-ring frame is fixedly installed at the