Film roll bag supply device with bag storage function

A film roll bag supply device with a bag storage function belongs to the field of polycrystalline silicon packaging machinery and comprises a rack, a film roll mounting frame arranged on the lower portion of the rear end of the rack, a bag making machine arranged on the upper rear portion of the rack, a bag overturning and placing mechanism arranged below the bag making machine, and a multi-station bag storage and transfer mechanism arranged in the rack in the front-back direction. When the overturning and bag placing mechanism is located at the low position, the lowermost end of the overturning and bag placing mechanism is higher than the upper plane of the bag storing and transferring mechanism, the bag making machine can make film rolls into empty bags, and the overturning and bag placing mechanism can turn over the empty bags to be in the horizontal state and sequentially stack the empty bags on the bag storing and transferring mechanism. A lifting suction cup bag taking mechanism is arranged above the fr