Screening machine for rubber crushing

The utility model discloses a screening machine for rubber crushing, and relates to the technical field of rubber production equipment. A door plate is rotationally connected to the front side wall of a machine shell, a controller is embedded in the front side wall of the door plate, a feeding pipe is installed on the side wall of the top of the machine shell, a hopper is installed on the feeding pipe, a screening assembly is installed in the machine shell, a material collecting box is installed on the right side wall of the machine shell, and a material returning assembly is installed on the side, opposite to the material collecting box, of the machine shell. A rotary cutting assembly is installed in the feeding pipe, a screening assembly is installed in the portion, between the material collecting box and the material returning assembly, of the machine shell, and vibration assemblies are installed at the four corners of the screening assembly correspondingly. By means of the screening assembly capable of ad