Automatic packaging machine is a new generation of intelligent packaging machine developed by our company. it mainly consists of automatic weighing device, conveying device, sewing and packaging device, computer control and other four parts .The utility model has the advantages of reasonable structure, beautiful appearance, stable operation, energy saving and accurate weighing. Automatic packaging machine is also known as the computer quantitative packaging scale, the main machine adopts fast., medium and slow three-speed feeding and special feeding mixing structure. it uses advanced digital frequency conversion technology, sampling processing technology and ant-interference technology to realize automatic error compensation and correction.