Dust removal device used for throttler valve machining

The invention discloses a dust removal device used for throttler valve machining. The device comprises a dust removal box, an exhaust fan, a ventilation pipe and a fixed base; the exhaust fan is arranged on one side of the dust removal box, a water tank is arranged on the other side of the dust removal box, the fixed base is arranged in the dust removal box, the ventilation pipe is arranged abovethe fixed base, a shower nozzle is arranged above the ventilation pipe, an electric telescopic rod is arranged above the shower nozzle, a clamping plate is arranged on the side face of the electric telescopic rod, and a dust sensor is arranged above the electric telescopic rod; through a controller and a dust sensor, the dust removal work can be automatically carried out, labor intensity of a worker is reduced, the exhaust fan and the water tank are arranged, the dust can be treated, environment safety is ensured, a cooling window is arranged, the temperature in a protection shell is not too high, and the service life