Novel punching device

The utility model discloses a novel perforating device relates to perforating equipment technical field, including electric hand drill and support, electric hand drill includes machine body and handle, handle install on machine body, support includes installation portion, adjusting portion, moving portion and support mechanism, installation portion includes first solid column, one end of first solid column is movably equipped with first sleeve, and the other end is equipped with second sleeve. A first installation box is fixedly installed at the end, away from the first sleeve, of the first solid column, a second installation box is fixedly installed at the end, away from the first sleeve, of the first solid column, and a transverse rod is fixedly connected to the outer wall of the first sleeve. When the electric hand drill is mounted, the first clamping block is pushed into the first clamping groove, and when the first clamping block reaches the innermost side of the clamping groove, the second clamping bloc