Polyurethane elastomer sheath material crushing device

The utility model discloses a polyurethane elastomer sheath material crushing device, which comprises a crushing box and a bearing plate, the crushing box is fixed on the ground through a support rod, a feeding box is arranged above the crushing box, the feeding box is arranged on the crushing box through a support rod, a motor is fixed above the feeding box through an L-shaped rod, and the bearing plate is arranged above the motor. Blades are installed at the outer end of the rotating shaft at equal angles and located in the feeding box, a material conveying opening is formed in the bottom end of the feeding box, a material conveying plate is arranged in the material conveying opening, the front end of the material conveying plate penetrates through the feeding box and is connected with an electric telescopic rod through an L-shaped rod, and the electric telescopic rod is installed on the outer wall of the feeding box; a bearing plate is installed in the smashing box in a clamped mode, through holes are even