Heat shrink packaging machine capable of being heated uniformly

The utility model provides a heat shrink packaging machine capable of being heated evenly, which comprises a supporting mechanism, a conveying mechanism, a packaging sealing mechanism, a heating shrink mechanism and a detecting mechanism, and the supporting mechanism comprises a first supporting frame, a first supporting plate and a second supporting frame. The conveying mechanism comprises a first fixing support, a first transmission shaft, a first conveying belt, a second fixing support, a second transmission shaft and a second conveying belt, and the packaging and sealing mechanism comprises a second fixing plate, a hydraulic pump arranged on the second fixing plate, a hydraulic rod arranged at the lower end of the hydraulic pump and a heating plate arranged at the lower end of the hydraulic rod. The heating shrinkage mechanism comprises a heat shrinkage chamber arranged at the upper end of the second supporting frame and an air heater arranged at the upper end of the heat shrinkage chamber, and the detect