Integrated automatic salt unloading device for alkali production process

The utility model discloses an alkali making process integrated automatic salt unloading device which comprises a crushing assembly and a discharging assembly, the crushing assembly comprises four stand columns, four sliding blocks, a hydraulic rod, a first motor, a first U-shaped sleeve, two crushing rollers, four sliding grooves and a car dumper; the discharging assembly comprises a second motor, a limiting block, a lead screw, two second U-shaped sleeves, two limiting grooves and two sliding rails. The discharging assembly is installed below the crushing assembly. A freight car is lifted through the car dumper, caked crude salt is crushed through the crushing roller, the second motor drives the lead screw, the limiting block drives the two stand columns, the stand columns drive the crushing roller, the crushing roller fully crushes the crude salt, and meanwhile the crushing roller moves to push the crude salt to rapidly flow out of the freight car. And a loading machine can be replaced to discharge crude s