The invention relates to a core wire extruding
production line for a
flame-retardant
power cable. The core wire extruding
production line comprises an
electric power pay-off
machine, a vertical tension bracket, a wire preheater, a plastic
extrusion mechanism, a cooling and
drying mechanism, a traction mechanism, a spark tester, a
laser marking
machine, a wire storage tension bracket, a take-up mechanism and a PLC electronic control platform, which are sequentially arranged, wherein the plastic
extrusion mechanism comprises an automatic feeding device and a twin-screw extruder; the cooling and
drying mechanism comprises a first segment of cooling
water channel, a second segment of cooling rotary box and a blowing dryer; a hot end outside
diameter measuring instrument is arranged between the twin-screw extruder and the first segment of cooling
water channel; a cold end outside
diameter measuring instrument is arranged between the spark tester and the
laser marking
machine; the take-up mechanism comprises a take-up meter counter and a double-shaft winding take-up machine; the PLC electronic control platform is arranged at the
tail end of the double-shaft winding take-up machine, and is in communication connection with equipment on the
production line through a
field bus; and intelligent full-
automatic control is carried out on the overall production line, so that high-speed and high-quality production of the
flame-retardant
power cable is achieved.