Corner combining machine for processing broken bridge aluminum alloy doors and windows

The utility model discloses a corner combining machine for processing broken bridge aluminum alloy doors and windows, which comprises a machine base, an annular groove is arranged on the machine base, a fixed cylinder is movably sleeved in the annular groove, the bottom of the fixed cylinder is fixedly connected with a first annular ring, lifting steering components are arranged below two sides of the first annular ring, and the lifting steering components are connected with the fixed cylinder. The top of the fixed cylinder is fixedly connected with a second annular ring; and the inner angle plate is arranged on the machine base in a sliding mode, two second push rod motors are fixedly connected to the inner angle plate, the second push rod motors are fixedly connected with the machine base, a pushing assembly is rotationally connected to the top of the inner angle plate, and outer angle plates arranged on the machine base in a sliding mode are arranged on the two sides of the pushing assembly. According to t