Monitoring device of granulator

The utility model relates to the technical field of pelletizers, and discloses a pelletizer monitoring device which comprises a pelletizer main body, a stock bin is fixedly installed on the upper end face of the pelletizer main body, a feeding port is formed in the upper end of the front face of the stock bin, an infrared transmitter is fixedly installed on the left side in the stock bin, and an infrared receiver is fixedly installed on the right side in the stock bin. A first signal transmitter is fixedly installed on the left side of the outside of the stock bin, an infrared receiver is fixedly installed on the right side of the inside of the stock bin, and a second signal transmitter is fixedly installed on the right side of the outside of the stock bin. According to the monitoring device of the granulator, real-time induction can be achieved through the infrared receiver and the infrared transmitter, signals are transmitted to the single-chip microcomputer in the main controller to be controlled to supple