The aseptic carton filling machine is a device widely used in the food and beverage industry for filling liquid products into packaging containers in a sterile environment. Below is a detailed introduction to its working principle and process:
1. Packaging Material Preparation
- The packaging material is usually supplied in roll form. It is a multi-layer composite material, generally comprising paper, polyethylene, and aluminum foil, which can effectively protect the product from light, oxygen, and microorganisms.
- The machine first unfolds the packaging material from the reel and transports it to the forming area.
2. Packaging Formation
- U-shaped Formation: Under the guidance of the machine, the packaging material passes through a series of folding and forming devices, first being folded into a U-shape to form the side and bottom contours of the package.
- Longitudinal Sealing: The longitudinal edges of the U-shaped packaging material are sealed by heating and pressing to form a continuous tubular structure. This sealing process must ensure that the seal is firm to prevent product leakage and maintain sterility at the seal.
3. Sterilization
- Hydrogen Peroxide Sterilization: Inside the packaging tube, a certain concentration of hydrogen peroxide solution is filled by spraying or soaking. Hydrogen peroxide has strong oxidizing properties and can effectively kill bacteria, molds, yeasts, and other microorganisms on the surface of the packaging material.
- Heating and Drying: After hydrogen peroxide treatment, the inside of the packaging tube is heated to decompose and evaporate the hydrogen peroxide, thereby removing any residue and further ensuring that the inside of the packaging is sterile. At this point, a sterile space is formed inside the packaging tube, preparing for the subsequent product filling.
- Sterilization of the Filling Environment: The filling area, including the filling nozzle and the surrounding environment, is also maintained in a sterile state. This may involve continuously filtering the air to remove dust and microorganisms, as well as regularly disinfecting the equipment surfaces.
4. Product Filling
- Product Supply: The product to be filled (such as milk, juice, etc.) is pre-treated with high-temperature instantaneous sterilization or other methods to achieve sterility and then transported to the filling area of the filling machine.
- Quantitative Filling: The aseptic carton filling machine uses high-precision metering devices to accurately inject the product into the sterilized packaging tube according to the preset filling volume. The filling process is carried out in a sterile environment to prevent external contamination of the product.
5. Transverse Sealing and Cutting
- Transverse Sealing: After the product filling is completed, the filling machine performs transverse sealing on the packaging tube. By heating and pressing, the packaging tube is sealed at specific positions to separate individual packaging units, ensuring that the product in each package is in a sealed state.
- Cutting: After transverse sealing, the machine cuts along the sealing line, dividing the continuous packaging tube into individual finished packages. The cut products have a neat appearance and are tightly packaged.
6. Quality Inspection and Output
- Quality Inspection: The finished packages produced undergo a series of quality inspection steps, including appearance checks (such as whether the packaging is damaged or deformed), seal integrity testing (to check whether the transverse and longitudinal seals are well sealed and free from leakage), and filling volume testing. Products that do not meet quality standards are removed.
- Finished Product Output: Products that pass the quality inspection are transported out of the filling machine and enter subsequent packaging, storage, or transportation stages.
Union Machinery has been engaged in food machinery customization services since its establishment in 2014, according to customer needs for you to tailor suitable machinery and equipment, for more product information, please refer to: https://www.hnunmachinery.com/Automatic-juice-filling-machine/Aseptic-Carton-filling-machine.html；More video information see view:https://www.hnunmachinery.com/video/200ml-aseptic-carton-filling-machine.html ； Our expertise and advantages will bring you more opportunities and development space.
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The following is other knowledge related to aseptic carton filling production that I have summarized based on long-term work experience, for your reference. I hope it will be helpful to you.
1.What is the aseptic filling machine?
2.How to ensure the quality and safety of aseptic carton filling products?
3.What are the common forms of aseptic carton packaging?
4.What are the main equipment of aseptic carton filling line?
5.Aseptic carton filling common problems and solutions.
6.How to ensure the aseptic effect of aseptic carton filling?
7.What should be noted when buying a aseptic carton filling machine?
8.What are the benefits of using a sterile carton filling machine?
9.How can aseptic carton filling machines help enterprises improve production efficiency?
10.What is the maintenance cost of a aseptic carton filling machine?
11.How to judge the quality of aseptic carton filling machine?
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