Fine amount feeding device for tea packaging machine

The invention relates to a fine amount feeding device for a tea packaging machine, which belongs to the technical field of processing machinery of tea. The invention aims to provide a fine amount feeding device for a tea packaging machine, which can rapidly and accurately achieve the requirement of needed metered weight. The fine amount feeding device comprises a spring piece bracket, a rough amount feeding electromagnetic vibration device (2) and a trace feeding electromagnetic vibration device (3), wherein the spring piece bracket comprises a rough amount hopper, laminated spring pieces anda mounting seat; the rough amount feeding electromagnetic vibration device (2) comprises a mounting plate, the spring piece bracket and an electromagnet support seat which is fixed on the mounting plate and provided with an electromagnet; the trace feeding electromagnetic vibration device (3) comprises a trace hopper, the mounting plate, the spring piece bracket and the electromagnet support seatwhich is fixed on the moun