Numerical control laser cutting machine

The utility model belongs to the technical field of dust removal of laser cutting machines and relates to a numerical control laser cutting machine which comprises a workbench, laser cutter supports are fixedly connected to the two sides of the surface of the workbench, arc-shaped hollow plates are rotationally connected to the two sides of the surfaces of the laser cutter supports, and a plurality of air suction holes are formed in the surfaces of the arc-shaped hollow plates. The upper end of the laser cutter support is fixedly connected with a purification box, and a purification water bin and a filter screen are arranged in an inner cavity of the purification box from left to right. Particulate matters are filtered by water, the filtered gas is filtered by a filter screen, so that particulate matters in flue gas dust are removed, chemical agents can be added into the purified water bin, harmful substances in the flue gas are reacted and removed, the environment is protected, the air quality of a factory i