Once-through, twin-drum forming machine for motor tires and method therefor

A unistage dual-drum forming machine for a car tire, comprising:

• a main machine comprising a belt drum case, a tire bead transfer ring, a forming drum case, a forming drum, a base and a slide frame, a belt transfer ring, a belt drum, a combined roller, and a tire bead preset device;
• and
• a servicer comprising a tread servicer, a belted layer servicer, a cap ply servicer, and a main servicer;
• a belt drum laminating workstation at one side of the belt drum arranged along a main shaft center line of the main machine, so as to finish laminating of a belt and tread, and winding of the cap ply;
• a main servicer laminating workstation at one side of the forming drum arranged along the main shaft center line of the main machine, so as to finish laminating of a tire side, an inner liner layer and cord fabric;
• and
• a forming pressing workstation at one side of the combined roller arranged along the main shaft center line of the main machine, so that a prepared Belt-cap ply-tread component and sidewall-inner liner-carcass ply component are conveyed to the workstation and combined with a bead ring, so as to carry out turn-up forming and pressing operation of a tire blank;
• wherein
• the forming pressing workstation is arranged between the belt drum laminating workstation and the forming pressing workstation;
• and
• the forming drum case is carried on the base and the slide frame in a sliding manner, so as to drive the forming drum to the forming pressing workstation.