Double-end flaring device of exhaust pipe of silencer

The utility model relates to a double-end flaring device of an exhaust pipe of a silencer, and belongs to the field of silencer manufacturing. The double-end flaring device comprises a supporting table, an upper die and a lower die; the appearance of the upper die is matched with the inner shape of a longer end of a flared product, and the appearance of a flaring section of the lower die is matched with the inner shape of a shorter end of the flared product; the lower die is fixed on a lower supporting plate of the supporting table, and the upper die is connected with the output end of an oil press device. According to the double-end flaring device provided by the utility model, the structure is simple, and the machining is simple; through once press-down operation, the double-end flaring machining of the exhaust pipe can be finished, the concentricity of the two flared ends is high, and no mould needs to be changed; the production efficiency is greatly improved, the batch production requirements of the exhau