Plate-fin heat exchanger fin cutting device

The utility model discloses a plate-fin heat exchanger fin cutting device which comprises an operation platform, a cutting mechanism is arranged below the operation platform, a mounting groove is formed in the surface of the operation platform above the cutting mechanism, a detachable corrugated plate is arranged in the mounting groove, and a pressing mechanism connected with the operation platform is arranged above the corrugated plate. A pressing air cylinder is arranged at the position, close to the feeding port, of the corrugated plate, guide blocks are arranged on the operation platform on the two sides of the pressing air cylinder, a limiting mechanism is arranged on the operation platform on the side, away from the pressing air cylinder, of the corrugated plate, and the limiting mechanism is connected with a driving mechanism installed on the operation platform. According to the fin cutting device, corrugated and flat fins are cut off through the detachable corrugated plate structure, the pressing mech