One kind of punch device

The present invention discloses a puncturing device comprising a base disposed on the base guide post, guide post sleeved sleeve, the sleeve is provided with a side of the fixing holder for fixing the drill drill, by pressing the sliding sleeve bar linkage drive, the base is in the live side of the guide has a guide sleeve fixed position, while the guide sleeve sleeved guide post, said guide post end fixedly provided with a transparent cover, drilling, drill through the cover, a first light source disposed on a side wall of the cover body, the first light source emits light through the drill tip and the intersection of the plane of the end portion of the cover, the cover is provided on the end portion have scale, a second light source disposed on the drill, the light emitted from the second light source, and a drill bit located in the same plane of the scale. The present invention is able to ensure that the drill vertical boreholes in a ceiling, no horizontal offset, to ensure the accuracy of the borehole; and controllably set the drilling depth.