Crusher for barrel-shaped plastic waste

The invention discloses a bucket-shaped plastic waste crusher which comprises a crushing box, a conveying belt is movably connected in the crushing box, a supporting column is movably connected in the crushing box, an arc-shaped plate is arranged on the upper side of the supporting column, the arc-shaped plate is movably connected in the crushing box, and labels on the surface of a plastic bucket can be removed through a grinding roller; the hydraulic cylinder is fixedly installed in the crushing box, a sensor is arranged on the opposite face of the extrusion plate, the sensor is fixedly installed in the crushing box, a plastic bucket is flattened through the extrusion plate, and the flattened plastic bucket is crushed through the two sets of crushing rollers; water mist is sprayed through the sand blasting mechanism to wet the surface of a plastic barrel, the conveyor belt can move the wetted plastic barrel, when the plastic barrel moves to the position of the limiting mechanism, the plastic stops moving, af