The molding machine, also known as the unpacking machine, refers to the automatic unpacking, forming, and bending of the lower bottom flap. At present, the lower part of the tape is pasted, and the cardboard board which is stacked into cardboard is opened, and the bottom of the box is folded according to a certain procedure, and sealed with a tape and then delivered to the special equipment of the cartoning machine. The automatic carton forming machine and automatic cartoning machine are the assembly line for automatic unpacking of large-volume carton, automatic folding of the lower cover and automatic sealing of the bottom tape. The machines are all controlled by PLC+ display, which is very convenient for operation and is essential for automated scale production. device of.