Automatic feeding device for thermoplastic forming of rubber ring

The utility model provides an automatic feeding device for thermoplastic forming of rubber rings, which relates to the field of thermoplastic forming of rubber rings and comprises a rack, a cast aluminum heating plate, forming tension cloth, a round roller inlet and outlet mechanism, a fixed round roller and a round roller core. The cast aluminum heating plate is flatly laid on the machine frame, the round roller in-out mechanism comprises a limiting hook head, an in-out air cylinder and a second ball screw assembly, the limiting hook head is a right-angle hook head, the limiting hook head is arranged on the in-out air cylinder and faces downwards, the in-out air cylinder is vertically arranged on the second ball screw assembly, and the in-out air cylinder is vertically arranged on the second ball screw assembly. The second ball screw assembly can drive the inlet and outlet air cylinder to advance in the longitudinal direction of the cast aluminum heating plate. The round roller core and the forming tension c