There are many types of packaging machines commonly used in food processing plants. According to their functions, degree of automation and applicable scenarios, they can be divided into the following categories:
I. Classification by function
Vacuum packaging machine
It prolongs the shelf life of food by vacuuming. It is suitable for perishable foods such as meat, seafood, and cooked food. Some models also support ultraviolet sterilization.
Industrial-grade vacuum packaging machines can complete vacuuming within 3-5 seconds and support gas replacement (such as nitrogen and carbon dioxide) to build a low-oxygen environment.
Modified atmosphere packaging machine
It delays food spoilage by adjusting the gas composition in the package. It is often used for fresh food.
Vertical packaging machine
It is suitable for granular and powdered foods (such as nuts and seasonings). It occupies a small area and is easy to operate.
Some models support fully automatic quantitative packaging and can be used in combination with a metering scale.
Pillow packaging machine
It is suitable for fixed-shape products (such as biscuits and candies). It has a fast packaging speed and a simple structure.
Stretch film packaging machine
It is used for boxed lunches, pre-prepared dishes, etc. It integrates box making, filling and sealing, and is suitable for large-scale meal supply.
II. Classification by degree of automation
Fully automatic packaging machine
Integrated metering, filling, sealing, printing and other functions, suitable for mass production, such as fully automatic granule production line.
Some models use PLC control system, support parameter preset and one-click switching of packaging mode.
Semi-automatic packaging machine
Requires manual assistance, suitable for small batch or diversified production, low cost.
III. Other special models
Bag packaging machine: suitable for puffed food, dried fruit, etc., automatically completes bagging, filling and sealing.
Liquid filling machine: divided into normal pressure, pressure, vacuum filling, suitable for sauces, beverages, etc.
Heat shrink packaging machine: used for gift boxes, books, etc., sealed by heat shrink film.
Food factories can choose suitable models according to product types (granules, liquids, perishables, etc.) and production capacity requirements, taking into account efficiency and cost
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