Horizontal drilling and tapping machine with double movable columns

The utility model provides a double-moving-column horizontal drilling and tapping machine which comprises a workbench, two drilling and tapping units are arranged at the top of the workbench, a machining table is fixedly installed in the center of the top of the workbench and located between the two drilling and tapping units, the top of the workbench is fixedly connected with an installation frame, and the installation frame is fixedly connected with the workbench. A collecting box is fixedly mounted at the bottom of the workbench, a cleaning mechanism is arranged between the side, close to the machining table, of the mounting frame and the collecting box, and the cleaning mechanism comprises two electric telescopic rods fixedly mounted on the side, close to the machining table, of the mounting frame and a fan fixedly mounted at the top of the collecting box. And the output bottom end of the electric telescopic rod is fixedly connected with a dust collection head. According to the double-movable-column horiz