Building component positioning and punching device

The utility model relates to the technical field of building components, in particular to a building component positioning and punching device which comprises a bottom plate, a first sliding groove is formed in the top of the bottom plate, a first sliding block is installed on the top of the bottom plate in a sliding mode, and a first movable column is fixedly installed on the top of the first sliding block. A second sliding groove is formed in one side of the first movable column. According to the punching device, the defects in the prior art are overcome, a second motor drives a corresponding second threaded rod to rotate, so that a clamping plate is driven to slide along a fourth sliding groove, a punching station is clamped and fixed through the clamping plate, the clamping stability of the punching station is improved through an anti-skid nail on one side of the clamping plate, and the punching efficiency is improved. And in cooperation with horizontal movement of the first movable column and vertical mo