Hot melting device for PVC plastic production

The utility model provides a PVC (polyvinyl chloride) plastic production hot melting device, which relates to the technical field of plastic production and comprises an operation table, a first support rod is fixed in the middle of the top of one side of the operation table, a telescopic cylinder is fixed at the bottom of the first support rod, and a connecting plate is fixed at the power output end of the telescopic cylinder. A second supporting rod is fixed to one side of the connecting plate. According to the device, a servo motor is controlled to drive a driving gear to rotate clockwise, then the two opposite ends of a first driven rack and a second driven rack are driven to get close to each other, and through cooperation of a sliding rod and a first sliding groove, the first driven rack and the second driven rack can horizontally and transversely move in a connecting plate; the servo motor is controlled to drive the driving gear to rotate clockwise, and then the two opposite ends of the first driven rac