Dustproof feeding device for deep processing of forage grass

The invention discloses a dustproof feeding device for deep processing of forage grass. The dustproof feeding device comprises a device body, wherein a smashing mechanism is fixedly arranged on one side of the device body, the smashing mechanism comprises a stirring rod, smashing blades, a feeding port and a smashing motor, a smashing box is fixedly arranged at the top of the device body, the smashing motor is fixedly arranged at the top of the smashing box, a rotating part of the smashing motor is fixedly connected with a stirring rod, a discharging opening is formed in the bottom of the smashing box, a feeding box is fixedly arranged below the discharging opening, electric drive pushers are fixedly arranged on the two sides of the feeding box through a plurality of supporting rods which are evenly distributed, the forage grass is fed in from the feeding opening, meanwhile, the smashing motor rotates to drive the stirring rod to rotate, the stirring rod rotates to drive the smashing blades to cut and smash t