Environment-friendly fast food box forming die

A left die is fixed to guide columns, a right die is connected to the guide columns in a sliding mode, the left die is composed of a die holder and a left die plate, two rows of protruding dies are arranged at the right end of the left die plate, a concave hole is formed in the left end of the left die plate, and a step concave hole is formed in the middle of the die. A circle of groove is furtherformed in the periphery of the model, a demolding ring is arranged in the groove, a demolding plate is arranged in the stepped concave hole, a plurality of first air cylinders are fixed to the left end of the mold base, piston rod demolding plates of the first air cylinders are connected, a plurality of right-angle-shaped connecting columns are connected to the demolding ring, and a connecting sleeve is further fixed to the middle of a piston rod of each first air cylinder. The right-angle-shaped connecting columns are connected with the connecting sleeve, two rows of die holes correspondingto the die are formed in t