Full-automatic butt joint device for cable wiring

The invention discloses a full-automatic butt joint device for cable wiring, belongs to the technical field of cable wiring devices, and aims to solve the problems of high workload and low efficiency of an existing connection mode of winding an iron bar on a cable. A plurality of sets of telescopic clamping parts used for extruding and stabilizing the cable are symmetrically installed on the automatic machine base on the two sides of the cable containing groove, a rotatable telescopic pushing block is installed above the middle of the automatic machine base, a U-shaped locking piece with a downward opening is clamped on the pushing block through a magnetic attraction block, and traction grooves are symmetrically formed in the lower portions of the two sides of the U-shaped locking piece. The middle of the automatic machine base is provided with an extrusion forming groove for insertion of the propelling block, propelling extrusion parts are symmetrically installed below the extrusion forming groove in the fro