Numerical control carving machine with dust collection assembly

The utility model discloses a numerical control carving machine with a dust collection assembly, which relates to the field of numerical control carving machines and comprises a numerical control carving machine, a dust hood, a dust collection pipe and a brush, the dust hood, the dust collection pipe and the brush are mounted on the outer side of a carving knife of the numerical control carving machine, the dust collection pipe is fixedly connected to the bottom end of a suction port of the dust hood, and the brush is clamped on the dust collection pipe. And a convenient disassembly and assembly mechanism is arranged on the dust suction pipe. By arranging the sliding groove, the fastening ring, the notch, the rotating ring, the sliding block, the pressing block, the limiting groove and the rotating shaft, firstly, the fastening ring is moved upwards, the brush is tightly attached to the outer wall of the dust collection pipe, the two ends of the brush are pressed into the limiting groove through the pressing