Plastic master batch processing and hot melting device

The utility model relates to the technical field of plastic master batch processing, in particular to a plastic master batch processing hot melting device which comprises a melting box, the bottom end of the melting box is communicated with a discharging pipe, and four supporting legs are arranged on the outer side of the discharging pipe; and the servo motor is installed at the top end of the melting box through bolts, four heating columns are installed at the bottom end of the interior of the melting box, a temperature sensor is embedded in the bottom end face of the interior of the melting box, and a touch display screen is embedded in the end face of the PLC. The temperature in the hot melting device can be controlled through the heating column, the temperature sensor and the PLC, so that the melting effect of plastic master batches can be regulated and controlled, the plastic master batches are enabled to be melted by sufficient heat, meanwhile, the scraper can be driven to rotate and scrape through the