Lower mold core buffer mechanism for basic cap of easy-open cap

The utility model relates to a lower mold core buffer mechanism for a basic cap of an easy-open cap, and relates to the technical field of manufacturing of easy-open caps. The lower mold core buffer mechanism comprises a lower template, a lower mold base, a lower cutter, a lower mold core, a lower forming ring and a lower supporting ring, wherein the lower mold base is fixedly connected to the lower template; the lower cutter is fixedly connected to the upper part of the lower mold base; the lower supporting ring is sleeved on the inner circles of the lower mold base and the lower cutter; the lower forming ring is coated on the inner circle of the lower supporting ring, and is fixedly connected with the lower mold base; a lower mold core piston is arranged in the lower forming ring; the upper part of the lower mold core piston is fixedly connected with the lower mold core; a lower mold base cavity and a lower template cavity communicated with each other are respectively formed in the lower mold base and the l