Glue sticking prevention structure and plastic packaging machine

The utility model discloses an anti-adhesive-sticking structure and a plastic packaging machine, and belongs to the technical field of plastic packaging machines. The heating device is applied to the plastic packaging machine, an upper rubber roller and a lower rubber roller are arranged in the plastic packaging machine, the front side and the rear side of each rubber roller are respectively provided with a group of rubber guide plates, the opposite sides of the two rubber rollers are respectively provided with a heating pipe support, and a heating pipe is arranged in each heating pipe support. The rubber clamping prevention structure comprises an elastic piece fixing base connected with the heating pipe support, a plurality of clamping prevention elastic pieces arranged on the elastic piece fixing base, a plurality of circumferential grooves formed in the rubber roller at intervals and a plurality of elastic piece grooves formed in the end, close to the rubber roller, of the rubber guide plate at intervals,