Stamping die for fin spacing boss of a parallel flow heat exchanger fin

The invention discloses a stamping die for a fin spacing boss of a parallel flow heat exchanger fins. The stamping die comprises an upper die seat and a lower die seat; the lower end of the upper die seat is connected with an upper padding plate, an upper clamping plate and a female die fixing plate in sequence; the upper end of the lower die seat comprises a lower padding plate, a lower clamping plate, a male die padding plate, a male die fixing plate; the male die fixing plate is sequentially provided with an opening tearing male die, a first bending male die and a second bending meal die in the feeding direction in a distributed mode; the female die fixing plate is sequentially provided with an opening tearing female die, a first bending female die and a second bending female in the feeding direction in a distributed mode; a protrusion used for start rib molding and bending is formed in the first bending male die; and a notch matched with the protrusion is formed in the first bending female die. According