Production equipment for self-heating packaging bag

The self-heating packaging bag production equipment comprises a production workbench, and a first discharging mechanism, a second discharging mechanism, a multi-film heat sealing mechanism, an arrangement mechanism, a pressing mechanism and a collecting mechanism are sequentially arranged at the top of the production workbench; the multi-film heat sealing mechanism comprises a heat sealing mounting frame, a heat sealing frame is arranged in the heat sealing mounting frame, a side film folding cavity is formed in the heat sealing frame, heat sealing cavities are formed in the four corners of the side film folding cavity, adjusting assemblies are symmetrically arranged on the two sides in the side film folding cavity, and air cylinders are symmetrically arranged at the four corners of the heat sealing frame; telescopic rods of the four air cylinders are connected with a heat sealing plate I; by adopting the structure to perform integrated synchronous heat sealing, repeated heat sealing is not needed, the proces