Injection mold annotates material mechanism

The utility model discloses an injection mold annotates material mechanism, include: barrel, screw rod, motor, feed cylinder, feed back pipe, solenoid valve and electric manometer, the screw rod sets up in the barrel and the transmission shaft of motor is connected to one end, is close to left end installation non -return valve in the barrel, non -return valve left side vacuole formation, the feed cylinder sets up and communicates at the barrel right -hand member and with the barrel, and it is approximately sealed that the feed cylinder top sets up detachable, open at sealed lid middle part has the through -hole, sets up the (mixing) shaft in the through -hole, set up helical shape stirring vane on the (mixing) shaft, intercommunication feed back pipe on the cavity, feed back pipe still with feed cylinder top intercommunication, install electric manometer and solenoid valve on the feed back pipe respectively, is the pipe diameter of feed back pipe at 3.5. Mm between the 5mm. The utility model discloses can ef