The necessary supporting ancillary equipment for the plastic processing machinery of the equipment series can be be directly installed in a variety of plastic processing machinery, and can make granular plastic raw materials from the material storage tank automatically transmit to any kind of hopper of plastic processing machinery. During the transmission process the raw materials can be completely free of dampness and contamination without bringing any foreign objects. The feeder completely replaces artificial feeding, and can make the produciton process achieve fully closed automation, which is safe and reliable.