Drilling and tapping all-in-one machine

The utility model belongs to the technical field of mechanical equipment, relates to a machine tool, and in particular relates to a drilling and tapping all-in-one machine which is used for solving the technical problem that the design of the prior art is not reasonable enough. The drilling and tapping all-in-one machine comprises a rack, wherein a workbench is arranged on the rack; power heads for clamping tools are arranged above the workbench and are connected with power mechanisms which can drive the power heads to go up and down and rotate; the number of the power heads are at least two; the power heads are arranged abreast; a positioning component which is used for fixing a workpiece and is arranged below the power heads is arranged on the workbench; and a horizontal power drive mechanism which can drive the positioning component to horizontally move along the abreast arrangement direction of the power heads is arranged on the positioning component. Compared with the prior art, the drilling and tapping