Special device for high-density connection of cable core and insulating layer before cable manufacturing and vulcanization

The invention relates to the field of cable production equipment, in particular to a special device for high-density connection of a cable core and an insulating layer before cable manufacturing and vulcanization, which comprises a rack, a storage box and a uniform distribution pipe which are sequentially arranged are fixedly arranged on the rack, and a through pipe for a cable to pass through is mounted in the storage box; the through pipe comprises a central pipe fixed to the storage box and end pipes rotationally connected to the two ends of the central pipe, a connector groove is formed in the upper surface of the central pipe, and a hollow lantern ring is rotationally connected to the surface of each end pipe; the bottom of the supply box is provided with a center pipe directly facing the connector groove and an edge pipe communicating with the lantern ring in a communicating mode, first gears are fixedly arranged at the ends, deviating from each other, of the two end pipes, and a driving part used for d