Automatic sealing equipment for food packaging machine and working method of automatic sealing equipment

The invention relates to the field of food packaging equipment, and particularly discloses automatic sealing equipment for a food packaging machine and a working method thereof.The automatic sealing equipment comprises a machine body, conveying holes are formed in the two ends of the machine body, clamping plates are installed on the two sides of the interior of the machine body, and supporting rods are installed at the two ends of the bottoms of the two clamping plates; the bottoms of the supporting rods are installed at the inner bottom of the machine body, a cleaning mechanism is installed at one ends of the tops of the two clamping plates, electric telescopic rods are installed at the positions, located on the two sides of the clamping plates, of the inner bottom of the machine body, a lifting plate is installed at the tops of the electric telescopic rods and located above the two clamping plates, and a heating plate is installed at the bottom of the lifting plate. Adjusting mechanisms are installed at th