Filling machines are mainly a small class of products in packaging machines. From the perspective of packaging materials, they can be divided into liquid filling machines, paste filling machines, powder filling machines, and granular filling machines; from the degree of automation of production It is divided into semi-automatic filling machine and fully automatic filling production line. Recently, with the QS certification of food, edible oil manufacturers have begun to pay attention to product quality and packaging, so oil filling machines have a prominent position in filling machines.

Machine classification

According to the filling principle, the filling machine can be divided into atmospheric filling machine, pressure filling machine, liquid filling machine, oil filling machine, paste filling machine, sauce filling machine, granular slurry filling machine , Powder filling machine, vat water filling machine and vacuum filling machine.

Atmospheric filling machine

It is filled by the weight of the liquid under atmospheric pressure. This type of filling machine is divided into two types: timing filling and constant volume filling, which are only suitable for filling low-viscosity and gas-free liquids such as milk, liquor, mineral water, etc.

Pressure filling machine

Filling is carried out at higher than atmospheric pressure, and it can also be divided into two types: one is that the pressure in the liquid storage cylinder is equal to the pressure in the bottle, and the liquid flows into the bottle by its own weight. This is called equal pressure filling. ; The other is that the pressure in the liquid storage cylinder is higher than the pressure in the bottle, and the liquid flows into the bottle by the pressure difference. This method is often used in high-speed production lines. The pressure filling machine is suitable for filling liquids containing gas, such as beer, soda, champagne, etc.

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