Fully automatic bag feeding device

The utility model provides a fully automatic bag feeding device and solves the technical problems that in the prior art, manual operation is needed in a bag feeding process, working efficiency is low and time and labor are wasted. The fully automatic bag feeding device comprises a bag taking device used to transfer packaging bags to be under a mechanical hand, the mechanical hand used to grab the packaging bags under the mechanical hand and rotating to be under a bag clamping device through a rotating device, the bag clamping device, a bag pushing device conveying the bags, and a control cabinet, wherein a bag opening cylinder used for opening of mouths of the packaging bags is arranged on the mechanical hand, a bag clamping cylinder used to clamp the bags conveyed by the mechanical hand is arranged on the bag clamping device, the bag clamping device is further provided with a hopper, and the bag pushing device is arranged under the bag clamping device. The fully automatic bag feeding device is optimally designed in structure, substitutes the function of manual bagging, reduces labor intensity of packaging, saves manpower, improves packaging quality, reduces packaging cost, and improves average speed of the packaging.