Thermoforming machine

The invention belongs to the technical field of plastic thermal forming, and particularly relates to a thermal forming machine which comprises a rack, a forming module and a positive pressure module, the forming module is formed by fixing forming dies side by side, the positive pressure module is formed by fixing positive pressure dies side by side, bowl-shaped die cavities are formed in the upper surfaces of the forming dies, hollow cooling cavities are formed in the forming dies, and the forming dies are connected with hinge shafts; the cooling cavity is provided with a water cooling mechanism, the forming die is connected with a guide rod, the rack is connected with a jacking mechanism, a cutting mechanism is further arranged in the cooling cavity, the positive pressing die comprises an air cavity and an electric heating disc, the electric heating disc is provided with a plurality of through holes, the through holes are provided with air taps, the air taps are communicated with the air cavity, and the air