Light-weight swing head based on 3D printing technology

The invention discloses a light-weight swing head based on a 3D printing technology, and relates to the technical field of swing head manufacturing. The light-weight swing head comprises a swing head shell, a shaft C, a shaft A and an electric spindle, wherein the shaft C is connected with the top of the swing head shell through a shaft C connecting sleeve, an electric spindle shell is arranged in the swing head shell, and the electric spindle is installed in the electric spindle shell; one end of the shaft A is connected to one side surface of the electric spindle shell, and the other end is provided with a shaft A wire gathering cover; an electric spindle shell bottom cover is installed at the top end of the electric spindle shell, electric spindle shell side covers are installed on the front surface and the rear surface in the radial direction, and swing head shell side covers are installed on two sides of the swing head shell; the swing head shell, the electric spindle shell and the axis C connecting slee