Dustproof pavement engraving machine

The utility model relates to a dustproof pavement engraving machine. The device comprises a bottom plate, a handrail, a processor, a display panel, a collecting mechanism, a carving mechanism and fourwheels, the engraving mechanism comprises a dustproof box, an engraving assembly, an air suction cover, a suction pipe and four dustproof assemblies. The engraving assembly comprises a lifting unit,a lifting plate, an engraving roller and four limiting units; the collecting mechanism comprises a collecting box, an exhaust pipe, a sealing block, a sealing cover and a handle; a fan and a filter screen are arranged in the exhaust pipe; according to the dustproof pavement engraving machine, most dust generated by engraving is prevented from floating into the air through the dustproof cover; meanwhile, the dustproof assembly is used for preventing dust from moving out of the bottom of the dustproof cover, the collecting mechanism is used for collecting the dust into the collecting box in a centralized mode, dust gener