Automobile aluminum alloy accessory forging device

The invention relates to the technical field of automobile aluminum alloy part forging, in particular to an automobile aluminum alloy part forging device which comprises a base, a plurality of fixing columns fixedly connected to the base, a top seat fixedly connected to the fixing columns, an automobile door upper die seat mounted on the top seat, a mounting seat fixedly mounted on the base, and an automobile door lower die seat fixedly mounted on the mounting seat. An edge cutting ring cutter is arranged on the outer side of the mounting seat in a sliding fit mode, a plurality of slitting mechanisms are arranged on the edge cutting ring cutter, a corner processing box is fixedly connected to the bottom of the base, a leftover material processing mechanism is arranged in the corner processing box in a sliding fit mode, leftover materials can be cut off through the edge cutting ring cutter, and meanwhile long leftover materials can be slit through the moving slitting cutter. The leftover materials are convenie