Full-automatic paper bag maker

The utility model provides a full-automatic paper bag maker, which comprises a paper roll feeding device, a paper bag forming device, a secondary pre-cutting device and an end folding device. The full-automatic paper bag maker is high in production efficiency and yield rate, low in cost and wide in production range, is simple in operation, can be started and stopped instantly without repeated correction and reset, quality and efficiency of paper bag making are improved simultaneously, and labor intensity is reduced.