Clamping thin -walled workpiece from centring means

The utility model discloses a clamping thin -walled workpiece from centring means. Clamping thin -walled workpiece from centring means is including being used for through the connecting piece teper -shank continuous with the lathe spindle for the tail bone of being connected through connecting piece and machine tool tailstock, the centre head is equipped with on the tail bone, be equipped with on the teper -shank rotational symmetry centering structure, the thin -walled workpiece suit this rotational symmetry centering structural and have through the centre head pushes up tightly thin -walled workpiece. The utility model provides a yielding problem of thin -walled workpiece processing. 本实用新型公开了种装夹薄壁工件的自定心装置。所述装夹薄壁工件的自定心装置包括用于通过连接件与车床主轴相连的锥柄，用于通过连接件与机床尾座连接的尾椎；所述尾椎上装有顶尖头，所述锥柄上装有对旋转对称定心结构，薄壁工件套装在该旋转对称定心结构上并有通过所述顶尖头对薄壁工件进行顶紧。本实用新型解决了薄壁工件加工易变形的问题。