Three-dimensional box forming machine is designed to provide a kind of forming high quality, low defective rate of three-dimensional paper box forming machine, its technical scheme including the body, are the main points on the body is equipped with the molding device, forming device including a molding and die, molding frame is composed of four or more guide rod, guide bar form hollow parts, middle, right opposite the die head installed in the molding frame and central parts of the die and molding frame, matching die head connected with a reciprocating movement mechanism, molding frame includes positioning for improve the quality of molding equipment, using the positioning system can control box of the die head stab molding frame position, Avoid the carton forming position deviation and effective protection of the carton, prevent the carton by the end of the guide rod puncture, damage, can also avoid the carton stuck into the lead rod gap and in the molding frame control part of the occurrence of blockage, suitable for stereo box forming machine....