Weeding assembly with crushing structure

The weeding assembly with the crushing structure comprises a base, a cutting device and a collecting hopper are arranged at the lower end of the base, the side wall of the collecting hopper is fixedly connected with a feeding pipe, an air extractor is arranged in the collecting hopper, and a crushing device is arranged at the upper end of the base. The crushing device comprises a box body, a fixing frame, a motor, a crushing roller, a bearing, a fixing plate, a shaking spring, a screening plate, a spiral device, a material returning opening, a discharging opening, a rotating rod, an arc-shaped impact block, a first arc-shaped shaking block, a synchronous belt, a limiting plate, a reset spring, an inclined discharging plate, a discharging opening and a second arc-shaped shaking block. A user can start an air extractor to suck weeds cut by a cutting device into a collecting hopper, the weeds entering the collecting hopper enter a box body along a feeding pipe, and then the user can start a motor to rotate; and