Numerical control cutting device for backboard machining

The utility model discloses a numerical control cutting device for backboard processing, which comprises a laser numerical control cutting machine, the laser numerical control cutting machine comprises a working platform, the two sides of the working platform are both provided with stand columns, a cutting mechanism is arranged between the two stand columns, the two sides of the cutting mechanism are both symmetrically provided with pressing plate structures, and the pressing plate structures are arranged on the working platform. The pressing plate structure comprises a shell and a movable rod, air cylinders are arranged at the top of the shell, the shell is fixed to the output end of the air cylinders, a distance adjusting mechanism is arranged between the air cylinders, movable cavities are evenly formed in the bottom of the shell, springs are arranged at the tops of the movable cavities, and a rod body at the top of the movable rod is installed in the movable cavities. According to the steel plate cutting