Fixture fixing device for impeller cutting

The utility model provides a fixture fixing device for impeller cutting, which comprises a mounting seat, a mounting column is fixedly mounted on the mounting seat, an axial fixing connecting piece is arranged on the mounting column, and the mounting column is connected with an impeller through the axial fixing connecting piece. According to the non-detailed description, a second clamp is arranged on the outer side of the impeller, the impeller is clamped through the second clamp, then the transverse position of the impeller is fixed, the second clamp comprises a hydraulic cylinder, a second clamping plate and a first clamping plate, and the first clamping plate and the second clamping plate are oppositely arranged and connected through a connecting rod; a first clamp is arranged on one side of the mounting column, and the impeller is fixed in the longitudinal direction through the first clamp. The impeller fixing device is simple in overall structure, the impeller can be transversely and longitudinally fixed