Thin-wall revolving body part clamping device

The utility model discloses a thin-wall revolving body part clamping device which comprises a base, an operation hole is formed in the center of the base in a penetrating mode, a plurality of clamping bases are arranged on the end face of the base in the circumferential direction, a sliding groove is formed in the end face of each clamping base, an abutting block is arranged on each sliding groove in a sliding mode, and the outer wall face of each abutting block is an abutting face. Each abutting face is provided with an open groove, the bottom face of each open groove is a first contact face used for abutting against the peripheral wall of the end of the external thin-wall rotating body, and a second contact face used for abutting against the end face of the end of the external thin-wall rotating body is connected between each abutting face and the corresponding open groove. The end face of each clamping base is a third contact face used for abutting against the bottom face of the end of an external thin-wal