Thin shell deformation control device

The utility model discloses a thin shell deformation control device. The device comprises a first fixing and adjusting unit, a second fixing and adjusting unit and a shell clamping and adjusting unit. The first fixing and adjusting unit and the second fixing and adjusting unit are used for fixing and adjusting the two ends of the shell clamping and adjusting unit correspondingly, and the center line of the first fixing and adjusting unit coincides with the center line of the second fixing and adjusting unit; the shell clamping and adjusting unit comprises a part supporting ring; the part supporting ring is arranged on the periphery of the shell in a sleeving mode and used for clamping the shell. A plurality of floating adjusting blocks are arranged on the inner side of the part supporting ring and used for adjusting the central axis of the shell to coincide with the central axis of the shell clamping adjusting unit in real time when the floating adjusting blocks move inside and outside between the part suppor