Lubricating structure for drilling and tapping machine

The utility model discloses a lubricating structure for a drilling and tapping machine, which comprises a mounting vertical plate and an elastic dropper, the mounting vertical plate is connected with the elastic dropper through a positioning cross rod, the top end of the elastic dropper is in threaded connection with a sealing screw rod, and the center of one side of the mounting vertical plate is fixedly connected with a connecting side plate. A servo motor is installed on one side of the front face of the connecting side plate, a guiding transverse plate is fixedly connected to the center of the front face of the connecting side plate, a guiding sliding groove is formed in the top end of the guiding transverse plate, and an adjusting sliding block is slidably connected into the guiding sliding groove. The servo motor can be turned on to drive the adjusting disc to rotate, so that the adjusting sliding block can be pulled by the adjusting connecting rod to perform periodic displacement on the guide sliding g