Dust removal device for casting grinding

The utility model discloses a dust removal device for casting polishing, which comprises a dust removal device main body and a casting polishing device, the dust removal device main body is installed on the casting polishing device, a workbench is arranged on the casting polishing device, a dust collection mechanism is arranged on the dust removal device main body, and a dust collection pipe is connected to the dust collection mechanism. A dust suction pipe is arranged at one end of the dust suction pipe, a dust suction cover is arranged at the other end of the dust suction pipe, fixing plates are symmetrically connected to the two sides of the polishing mechanism, the fixing plates are connected with the dust suction cover in a clamped mode, a dust cover is arranged on the dust removal device body, the dust cover covers the casting polishing device, a dust discharging hole is formed in the workbench, and an air blowing cover is arranged on the side, away from the supporting column, of the workbench. Accordin