Workpiece positioning device for planer

The utility model belongs to the technical field of planers, and particularly relates to a planer workpiece positioning device which comprises a main body mounting block, mounting lugs are welded to the two sides of the main body mounting block, bolts are connected to the surfaces of the tops of the mounting lugs, and through holes are formed in the surface of the top of the main body mounting block in a penetrating mode. A clamping and positioning assembly is installed at the position, located in the through hole, of the main body installation block, and a supporting block is installed at the bottom end of the main body installation block, workpieces can be conveniently clamped and positioned, meanwhile, the through hole and the supporting block reduce residual chippings, the residual chippings are avoided, the continuity of workpiece machining is well achieved, and therefore the machining efficiency is improved, and the machining cost is reduced. And then, the clamping and positioning assembly can convenien