Efficient edge milling device for new energy automobile PCB substrate processing

The invention relates to the technical field of PCB (printed circuit board) processing equipment, in particular to an efficient edge milling device for processing a PCB substrate of a new energy automobile, two coupling plates are symmetrically and vertically fixed on two sides of the bottom of an edge milling base, a rotating block is coupled between the two coupling plates through a rotating shaft, and the rotating block can rotate between the two coupling plates; a cutter assembly is fixed to one side of the rotating block, at least two punching assemblies are fixed to the side, opposite to the cutter assembly, of the rotating block, the front side and the rear side of the edge milling base are slidably connected with two limiting plates, the two limiting plates can move in a lifting mode, and the inner side faces of the two limiting plates are tightly attached to the two outer side faces of the rotating block. Compared with the prior art, according to the efficient edge milling device for new energy autom