Construction waste crushing and packaging device for building construction

The utility model relates to the technical field of garbage treatment, in particular to a construction garbage crushing and packing device for building construction, which comprises a crushing box, a protective box is tightly welded on the outer wall of one side of the crushing box, a driving gear is arranged in the protective box, and driven gears meshed with the driving gear are arranged at the front end and the rear end of the driving gear. According to the smashing device, the output shaft of the motor rotates to drive the driving gear to rotate, then the two driven gears rotate, the multiple smashing rollers rotate, when the multiple smashing rollers rotate, the multiple smashing rollers can smash materials entering the smashing box, the smashing speed is high, the smashing efficiency is high, and the smashing effect is good. And the crushed garbage can fall into a filter box in the packaging box, and liquid garbage in the crushed garbage can directly penetrate through a filter plate to flow into the low