北京What is the working principle of liquid filling machine?

Shanghai Liquid filling machine is a machine for automatic filling of liquid products. It is usually composed of a filling head, a feeding system, an electrical system and a control system. The working principle of liquid filling machine mainly includes the following steps:

1. Feeding system: The liquid is transported from the storage tank or container through the pipeline to the filling machine. A pump is usually used to extract the liquid and deliver it through a pipe to the filling head.

2. Filling head: The filling head is the core part of the filling machine, responsible for accurately filling the liquid into the container. The filling head is usually composed of a liquid injection pipe and a pneumatic valve. When the filling head approaches the container, the pneumatic valve opens and the liquid begins to be injected into the container. The filling head usually has a highly accurate metering device that can control the amount of liquid injected.

3. Electrical system: Liquid filling machine uses electrical system to control the operation of the machine. By setting parameters, such as filling volume, filling speed, etc., the filling process can be automated and accurately controlled.

4. Control system: The control system of the liquid filling machine is responsible for monitoring and adjusting the working state of the machine. It can monitor liquid level, temperature, pressure and other parameters, and adjust according to the set filling requirements. The control system is usually composed of man-machine interface control panel, PLC (programmable logic controller) and sensor.

The working principle of liquid filling machine can be divided into the following stages:

1. Preparation stage: Before starting filling, it is necessary to prepare the liquid filling machine. This includes cleaning work to ensure that all liquid channels are clear and free of impurities. At the same time, according to the nature and requirements of the liquid to be filled, set the corresponding parameters, such as filling amount, filling speed, filling temperature, etc.

2. Filling stage: After preparing the liquid and machine, place the container on the filling table. The liquid filling machine automatically recognizes the position of the container and moves the filling head to the correct position. The liquid then begins to be transported to the filling head and into the container through the injection tube. The filling head will be controlled according to the set filling amount, and when the set filling amount is reached, the filling head will automatically close.

3. Sealing stage: After the liquid filling is completed, the container needs to be sealed to ensure the quality and safety of the liquid. According to different liquid products, different sealing methods can be used, such as capping, capping, labeling, etc. This stage usually requires the liquid filling machine to work with other equipment (such as sealing machines).

4. Testing stage: After filling and sealing, the liquid filling machine also needs to carry out quality testing. This includes the detection of liquid parameters such as temperature, pressure and level, and the verification of filling results. If the liquid quality is not qualified, it will be automatically excluded to ensure the quality and safety of the product.

In summary, the liquid filling machine works by extracting the liquid from the storage tank and injecting it precisely into the container through the filling head. It achieves automation and precise control through electrical systems and control systems, while parameters can be adjusted according to filling requirements. The workflow of liquid filling machines usually includes preparation, filling, sealing and testing stages to ensure filling quality and product safety.