Drilling machine

The utility model discloses a drilling machine. Key points of the technical scheme are as follows: the key points are as follows; the device comprises a rack, the rack is connected with a positioningmechanism, the positioning mechanism comprises two positioning rods and a positioning block, positioning grooves are formed in the side walls, close to each other, of the two positioning rods, connecting grooves penetrate through the side walls, away from each other, of the positioning rods, fastening bolts are arranged in the connecting grooves in a penetrating mode, and the fastening bolts penetrate through the connecting grooves to be in threaded connection with the positioning block; drilling mechanism connected to rack, the drilling mechanism comprises a sliding frame, a drill bit, a drilling motor and an electric push cylinder, a sliding block is slidably connected to the upper end of the sliding frame, a cylinder body of the electric push cylinder is fixedly connected with the sliding block, an adjusting bl