Feeding device of cable extrusion molding machine

The utility model discloses a feeding device of a cable extrusion molding machine. The feeding device comprises a hopper, a second power mechanism, a machine barrel, a stirrer, a first power mechanism and a threaded rod, wherein a feed opening and an air outlet are formed in the upper end of the hopper, a discharge opening and an air inlet are formed in the lower end of the hopper, and a first filter screen is arranged at the lower end of the hopper; the second power mechanism is connected with the first filter screen and drives the first filter screen to shake up and down; the machine barrel is communicated with the discharge opening of the hopper and is composed of an inner sleeve and an outer sleeve, a heat source is arranged between the inner sleeve and the outer sleeve, and the machine barrel obtains heat under the action of the heat source; the stirrer is communicated with a discharge opening of the machine barrel; the threaded rod is arranged in the machine barrel, and one end of the threaded rod is connected with the first power mechanism; the threaded rod is driven by the first power mechanism to rotate; under cooperation of the threaded rod and the machine barrel, glue stock is manufactured and continuously and uniformly transported to the stirrer; the other end of the threaded rod is connected with a second filter screen, and the second filter screen is driven by the threaded rod to rotate. The feeding device is reasonable in structure and design, eliminates the influence of bubbles and solid impurities on the performance of a protective jacket, and ensures the product quality.