Part turnover attachment for automatic machine tool

Claim 1

A part turnover attachment for an automatic machine tool, comprising: (a) A frame; (b) A movable worktable means connected to the frame for supporting a workpiece and movable longitudinally and latitudinally to position the workpiece at a desired point in a horizontal plane; (c) A rotatable spindle means connected to the frame in a disposition of vertical movement thereon for supporting and rotating a cutting tool at a predetermined speed rate to machine the workpiece; (d) A tool changing means connected to the frame for storing cutting tools and exchanging the cutting tool supported in the rotatable spindle means with one of a multitude of different cutting tools stored therein; (e) A part turnover attachment disposed to be stored in the tool changing means and supported by the rotatable spindle means for removing the workpiece from the movable worktable, turning the workpiece over, and returning the workpiece to the movable worktable; (f) A programmable control means disposed to control the movable worktable means, the rotatable spindle means, the tool changing means, and the part turnover attachment for automatically turning the workpiece over on the movable worktable for machining on its opposite side.