DGD-220BJ Automatic Horizontal Preformed Bag Packing Machine 1.Introduction The DGD-220BJ Automatic Horizontal Preformed Bag Packing Machine includes a bag taking mechanism, a bag opening mechanism, a blowing mechanism, a filling mechanism, heat sealing, cold sealing and shaping, etc. The coordinated actions of each mechanism are completed through the mechanical linkage and cam structure, and the position signal is fed back by the encoder on the main shaft. Under the