Packaging equipment refers to equipment that can complete all or part of the packaging process of products and commodities, also called packaging machines. There are 2 major categories of packaging machines, one is pillow packaging machine and the other is vertical packaging machine. Their structural differences are as follows:
The structure of pillow type packaging machinery:
1. Paper support mechanism-used for unwinding roll-shaped packaging film.
2. Paper feeding mechanism-used to pull the packaging film.
3. Middle sealing mechanism-used to pull the packaging film, separate the paper roll, and the pressing wheel. It contains an ironing plate mechanism. After the packaging film enters the ironing mechanism and is heated, it is rolled and sealed by the pressing wheel.
4. Discharge mechanism-the finished product conveying after packaging.
5. Tailstock mechanism (including feeding chain)-used to push the product into the bag.
6. Transmission part-used to connect the transmission between various parts, including chains, sprockets, and gears.
7. Electrical part-control part of the whole machine.
8. Stop without film-automatically stop without packaging film.
9. Bag-forming machine-forming a flat packaging film into a bag.
10. Knife sealing mechanism-sealing and cutting.
The picture of up roll servo packaging machinery:

Down roll flow pack packaging machinery:

Dual roll flow wrap packaging machinery:

The structure of vertical packaging machinery:
1. Paper support mechanism-used for unwinding film tube-shaped packaging film.
2. Middle seal paper pulling mechanism-used for pulling the packaging film, paper pulling and pressing are the same wheel.
3. Transmission part-used to connect the transmission between various parts, consisting of a motor, a main drive shaft, a cam, and a reducer.
4. Electrical part-control part of the whole machine.
5. Bag-forming machine-forming a flat packaging film into a bag.
6. Horizontal sealing and seal-used for horizontal sealing and seal.
7. Cross-sealing cutter-used to cut off the sealed bag.
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