1.
packaging film (inner bag)
2. rotary feeder
3.
sealing device (
inner bag
)
4.
mechanical arm
5.
packaging film (outer bag)
6.
sealing device (outer bag)
7.
belt
8.
feeding storage hopper
9.
feeding controller
10.
cutting controller
11.
label roll
12.
control panel
13.
thread roll (inner)