The automatic packaging production line can be a valve bag open-mouth bag-station solves automatic packaging, which can realize weighing, bag feeding, bag taking, bagging, bag sealing, batch number printing, inverted bag shaping during the production process of powder and granular materials , Metal detection, automatic rejection, weight re-inspection, automatic rejection, conveying, robot palletizing, empty pallet distribution, solid pallet conveying, solid pallet top bundling, pallet winding, solid pallet output and other operations, effectively reducing the labor intensity of employees and all Realize automation.