Door and window mounting and cutting device

The utility model discloses a door and window installing and cutting device which comprises an operation table, two feeding and discharging assemblies, two vertical driving assemblies, a transverse driving assembly and two fixing assemblies, each feeding and discharging assembly comprises a U-shaped piece and a plurality of rollers, a rotating shaft penetrates through the middles of the rollers, and the rotating shaft is connected with the U-shaped piece. Each vertical driving assembly comprises a stand column and a first connecting piece, a vertical through hole is formed in the stand column, a first servo motor is installed at the top of the stand column, a first lead screw is arranged in the vertical through hole, the transverse driving assembly comprises a transverse column and a second connecting piece, a transverse through hole is formed in the transverse column, and a second lead screw is arranged in the second connecting piece. A second servo motor is installed at the end of the transverse column. Acc