Adjustable machining workbench

The utility model provides an adjustable machining workbench, and belongs to the technical field of machining. The adjustable machining workbench comprises a base, a moving mechanism and a lifting mechanism. The moving mechanism comprises a driving part and a lifting part, one end of the lifting part is slidably connected to the movable end of the driving part in a sleeving mode, a transverse plate is installed at the other end of the lifting part, the lifting mechanism comprises a rotating part and a lifting seat, a rack is installed on the surface of the lifting seat, and the rack is in transmission connection with the movable end of the rotating part. And a supporting plate is mounted on the upper surface of the lifting seat. Through the cooperation of the driving piece and the lifting piece on the surface of the connecting block, the lifting piece moves along the surface of the base, the distance between the supporting plate and the transverse plate can be conveniently adjusted, then through the cooperati