Inner-outer bag automatic packaging machine

The utility model provides an automatic packaging machine for inner and outer bags. The automatic inner and outer bag packaging machine comprises a rack, a hopper, a weighing mechanism, an inner bag packaging mechanism, an outer bag packaging mechanism, an output mechanism and a controller. Wherein the weighing mechanism comprises a weighing part, a feeding pipeline and a discharging pipeline, theinner bag packaging mechanism comprises an inner film conveying device, a first shaping device and a first packaging device which are sequentially installed on the rack, and the outer bag packaging mechanism comprises an outer film conveying device, a second shaping device and a second packaging device which are sequentially installed on the rack. Under the automatic control of the controller, the weighing mechanism automatically weighs tea raw materials and conveys the tea raw materials to the inner bag packaging mechanism for inner bag packaging, then the tea raw materials are conveyed to the outer bag packaging me