Automatic double-layer bag stacking and conveying device and method

The invention relates to the technical field of light industry packaging mechanical automation, in particular to an automatic double-layer bag stacking and conveying device which comprises a main body rack, a conveying mechanism is arranged at the top of the main body rack, a jacking mechanism is arranged in the conveying mechanism, and a bag clamping mechanism is arranged at the position, above the conveying mechanism, of the main body rack. The conveying mechanism comprises a synchronous pulley, a transmission main shaft, a synchronous belt, a conveying rack, a driven shaft and a gear motor; a transverse plate is fixedly arranged on the main machine frame, a conveying machine frame is fixedly arranged on the transverse plate, the two ends of the conveying machine frame are rotationally connected with a transmission main shaft and a driven shaft correspondingly, synchronous belt wheels are fixedly arranged at the two ends of the transmission main shaft and the two ends of the driven shaft correspondingly, an