Cylinder upcutting clamp for round billet of electric spark numerical control linear cutting machine tool

The utility model relates to the field of machine tool equipment, in particular to a round billet up-cutting cylinder clamp of an electric spark numerical control linear cutting machine tool. The cylinder cutting clamp comprises a clamp body, a clamp base and a plurality of compression bolts; a clamp body is arranged above the clamp base, and a heart-shaped cylinder channel is arranged in the middle of the clamp body; a knife seam is formed in the middle of one side of the clamp body from top to bottom in a penetrating mode, and a plurality of compression bolt holes are formed in one side of the back face of the knife seam of the clamp body and used for containing compression bolts. The clamp base and the clamp body are correspondingly provided with a channel and a knife seam. The special machine tool clamp for cutting the cylindrical bars on the round steel billets or the deformed steel bar billets is simple in structure, convenient to install, high in efficiency, free of alignment, free of scrap accumulatio