Punching device for doors and windows

The utility model relates to the technical field of door and window processing. The utility model discloses a perforating device for doors and windows. Bottom plate, one end of the bottom plate is fixedly connected with a hydraulic cylinder; two guide grooves are formed in the top of the bottom plate; the top end of a power output shaft of the hydraulic cylinder is fixedly connected with a fixed block; wherein the bottom of one end of the fixing block is fixedly connected with a balancing weight, the other end of the fixing block is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a guide rod, the surface of the guide rod is movably sleeved with a mounting block, and the bottom of the mounting block is fixedly connected with a motor. Punching device for doors and windows, by screwing a knob, a threaded rod drives a second bearing plate to clamp and fix the door and window, shaking is avoided, then the situation that the door and window displaces during punc