Milling cutter for machining automobile parts

The utility model discloses a milling cutter for processing automobile parts, which comprises a milling cutter main body and a hollow rod, the milling cutter main body is installed in an inner cavity of the hollow rod in an up-down sliding mode, a limiting insertion hole is formed in the inner cavity of the milling cutter main body in a penetrating mode, a through hole is formed in the outer surface of the milling cutter main body in a penetrating mode, and a limiting pin column is installed in the limiting insertion hole in an inserted mode. The limiting pin column penetrates through the through hole, a U-shaped block is fixedly mounted on the right surface of the limiting pin column, a locking bolt is mounted between the U-shaped block and the hollow rod in a threaded connection mode, two limiting rings are fixedly mounted on the outer surface of the milling cutter body, a mounting groove is formed between the two limiting rings, and a splash shielding device is fixedly mounted in the mounting groove; accor