Crawler-type continuous production equipment for air bubble film

The utility model provides crawler-type continuous production equipment for an air bubble film, which comprises a crawler-type negative pressure mold used for processing a middle film layer, the crawler-type negative pressure mold is provided with a plurality of negative pressure forming blocks which are sequentially pivoted in series end to end and rotate circularly, a pit is formed on the outward surface of each negative pressure forming block, and negative pressure is communicated in the pit; the bottom supporting plate is used for supporting the bottom film, so that the bottom film is in contact with the middle film layer; the first heating unit can heat the middle film layer; and the first pressurizing unit is used for enabling the corresponding negative pressure forming blocks and the bottom supporting plate to extrude each other, so that the middle film layer and the bottom film are thermally bonded together to form the double-layer air bubble film. And the double-layer air bubble film can also be ther