Trimming die for casting of front steering knuckle in double-wishbone suspension

A trimming die for a casting of a front steering knuckle in a double-wishbone suspension, comprising a base, a first supporting block, second supporting blocks and an upper die, wherein

• the base is located at a bottom of the die, the first supporting block and the second supporting blocks are fixedly arranged on the base, a gooseneck of the casting is supported by the first supporting block, the remaining parts of the casting are supported by the second supporting blocks, the upper surfaces of the first supporting block and the second supporting blocks are respectively adapted to the shapes of the corresponding bottom surfaces of the casting, the second supporting blocks are in complete contact with the casting, and a gap is reserved between the first supporting block and the casting;
• and
• the upper die comprises a pressing block, hold-down blocks and a cutting edge, the pressing block is located over a goose head of the casting, the hold-down blocks are located over the remaining parts of the casting, and the pressing block and the hold-down blocks are respectively adapted to the shapes of the corresponding upper surfaces of the casting;
• the cutting edge is used for clearing fins of the casting, and the pressing block and the cutting edge are capable of moving synchronously;
• and when the die is closed, the casting is held down by the hold-down blocks pressing against the upper surface, except for the goose head, of the casting, the fins of the casting are cleared by the cutting edge, and the pressing block presses against the goose head of the casting and is in interference fit with the goose head of the casting to realize the correction of the casting.