Rubber extruder/rubber machine/pin-barrel extruder/hot feed extruder barrel consists of feed roller assembly, double-deck barrel and linear bush of barrel. This barrel consists of plastic zone barrel, extruded zone barrel, long pin barrel, short pin barrel and pin plug. You can get regular rubber product by changing the quantity of long pin and short pin according to the character and techniques. Pin-barrel inner aperture 2.5mm single-sided, wearable bimetal, hardness HRc/60, increase the service life. Plastic zone and extrusion zone are integrated. Drill along circular axes, temperature control unit closes hot water circulation, barrel temperature is adjusted as required by technique.