Cable extruder with good heat dissipation

The utility model belongs to the technical field of cable processing equipment, and particularly relates to a cable extruder with good heat dissipation, which comprises a cable extruder body, a feeding device, a material conveying pipe and a material extruding port which are sequentially arranged, and a heating device and a heat dissipation device which are arranged on the material conveying pipe,and the heat dissipation device is detachably connected with the material conveying device. The heat dissipation device is composed of two C-shaped heat dissipation rings which are connected in a hinged mode, the C-shaped heat dissipation rings are of a hollow structure, the C-shaped heat dissipation rings are made of heat conduction materials, a U-shaped water coil pipe is arranged in each C-shaped heat dissipation ring, the heat dissipation effect can be further improved with the help of cooling fins, and the heat dissipation devices are detachably connected with the conveying pipe, so thatthe heat dissipation devi