In the previous blog, we introduced all aspects of filling machines. Today, we will specifically talk about the classification of filling machines - liquid filling machines.

Classification of filling machines

Liquid filling machine

It is mainly used for liquid filling of lotion, nursing liquid, oral liquid, disinfectant, eye wash, nutrient liquid, wine, injection, pesticide, medicine, perfume, edible oil, lubricating oil, and special industries. The process flow parts of the automatic liquid filling machine are all made of stainless steel, the high-level balance tank or self-priming pump is used for quantitative filling, the direct heat sealing and cutting, the bag size, packaging weight, and sealing and cutting temperature are adjusted conveniently and reliably, the production date is printed with ribbon, side sealing, back sealing, and photoelectric tracking.

Paste filling machine

It is suitable for pouring all kinds of viscosity products from water agents to cream. It is an ideal filling model for the majority of daily chemical, pharmaceutical, food, pesticide, and other industries.

Sauce filling machine

It is suitable for filling viscous sauces with particles and high concentrations in condiments, such as chili sauce, bean paste, peanut butter, sesame paste, jam, butter hotpot seasoning, red oil hotpot seasoning, etc.

Classification of liquid filling machines

Liquid filling machines can be divided into atmospheric pressure filling machines, pressure filling machines, and vacuum filling machines according to the filling principle.

Atmospherical pressure filling machine

It is filled by liquid self-weight under atmospheric pressure. This kind of filling machine is divided into fixed time filling and fixed volume filling. It is only suitable for filling low viscosity liquids without gas, such as milk, wine, etc.

Pressure filling machine

The filling is carried out at a pressure higher than the atmospheric pressure, which 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 filling is carried out by the self-weight of the liquid flowing into the bottle, which is called isobaric filling; The other is that the pressure in the liquid storage cylinder is higher than that in the bottle, and the liquid flows into the bottle by pressure difference. This method is often used in high-speed production lines. The pressure filling machine is suitable for filling liquid containing gas, such as beer, soda, champagne, etc.

Vacuum filling machine

The filling is carried out when the pressure in the bottle is lower than atmospheric pressure. This kind of filling machine has a simple structure, high efficiency, and a wide range of adaptability to the viscosity of materials, such as oil, syrup, fruit wine, etc.

Process of liquid filling machine

The process of liquid filling machine is generally:

The boxes with empty bottles are stacked on the pallets, sent to the pallet unloader by the conveyor belt, and the pallets are unloaded one by one. The boxes are sent to the unloader with the conveyor belt, and the empty bottles are taken out from the boxes. The empty boxes are sent to the washing machine by the conveyor belt, cleaned, and then transported to the packing machine so that the bottles containing drinks can be loaded into them. Empty bottles taken out from the unloading machine are sent to the bottle washer for disinfection and cleaning by another conveyor belt. After being inspected by the bottle inspection machine and meeting the cleaning standards, they enter the filling machine and capping machine. The beverage is bottled by the filling machine. The bottles loaded with drinks are capped and sealed by the capping machine and transported to the labeling machine for labeling. After labeling, they are sent to the packing machine for loading into the box and then sent to the pallet stacking machine for stacking on the pallet and sent to the warehouse.

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