Tool for machining thin-walled workpiece

The utility model relates to the field of tools for machining thin-walled workpieces, in particular to a tool for machining thin-walled workpieces, which comprises a clamping sleeve and an inner conical core rod arranged in the clamping sleeve, the clamping sleeve comprises a clamping sleeve body, a clamping part and a plug, the clamping part is arranged at the end of the clamping sleeve body and used for being matched with the inner conical core rod to tension a thin-walled workpiece product, and the plug is arranged at the other end of the clamping sleeve body. The jacket body is radially provided with a cavity for sleeving the inner conical core rod; a plurality of opening and closing grooves are formed in the outer circumference of the clamping part in the axial direction, and the clamping part is evenly divided into a plurality of clamping pieces used for clamping the inner cone core rod through the opening and closing grooves. The tool is simple in structure, scientific and reasonable in design, conveni