The utility model discloses a
condensed milk filling amount
servo control mechanism which comprises a rack, the outlet end of a
screw pump is fixedly connected with a hard
pipe, a quick change mechanism comprises a guide
pipe, adapter plates, an electric telescopic rod, a sealing ring and a sealing
gasket, the upper end of the guide
pipe is connected with the hard pipe through a hose, the adapter plates are respectively fixed on two sides of the guide pipe, and the electric telescopic rod is fixed on the adapter plates. The number of the electric telescopic rods is two, the electric telescopic rods are fixedly installed in the rack, the telescopic ends of the two electric telescopic rods are fixed to the two adapter plates respectively, a sealing
gasket is fixed to the bottom of the guide pipe, a sealing ring is fixed to the outer side of the guide pipe, the number of the filling nozzles is three, and the calibers of the three filling nozzles are different. According to the utility model, precise and quantitative filling can be realized, the electric telescopic rod drives the guide pipe to ascend and descend through the cooperation of the quick change mechanism and the switching mechanism to finish the disassembly and
assembly of the filling nozzles, and the driving motor is matched to drive the triangular turntable to rotate, so that the three filling nozzles with different calibers can be quickly switched to adapt to packaging bottles with different capacities.