Automatic unpacking machine is mainly used to automatically unpacking and delivering the materials in 25kg bags to the next workstation. The whole process is fully automated and intellectualized, and there is no debris in the process of unpacking. Dust catching device is designed and installed, and there is no dust leakage in the process of feeding, and no pollution to the cleaning space. It is suitable for all kinds of environments which need to be unpacked and fed, especially for the front-end weighing and distributing links of the liquid distribution system.