Aero-engine blade forming device

The utility model relates to the technical field of aero-engines, in particular to an aero-engine blade forming device which comprises a base, one side of the base is fixedly connected with a supporting frame, one side of the supporting frame is fixedly provided with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with an upper die mounting plate, and the output end of the upper die mounting plate is fixedly connected with a lower die mounting plate. The side, away from the hydraulic cylinder, of the upper die mounting plate is fixedly connected with an upper die, one side of the upper die mounting plate is fixedly connected with a hollow pipe and a first positioning spring, and the inner wall of the hollow pipe is fixedly connected with a second positioning spring. Compared with the prior art, the blade positioning device has the advantages that the hollow pipe, the first positioning spring, the second positioning spring, the positioning rod, the positioning block, the sup