Definition
The can sealing machine is a machine and equipment used to seal cans, beverages, food and other products. It can seal cans of various specifications, including tinplate, aluminum cans, paper cans or plastic cans. This article will explain from the aspects of definition, classification, application scope, technical principles, advantages, functions, and considerations when selecting.
Classification
There are many ways to classify can sealing machines, such as according to usages, degree of automation, can sealing method, container size, etc. This article mainly expands in detail according to the first two methods.
1. According to usage
- Ordinary can sealing machine: suitable for sealing general food and daily necessities, with simple operation and low cost.
- Vacuum can sealing machine: This can sealing machine creates a vacuum environment by extracting the air inside the package, thereby extending the shelf life of food. It is suitable for various canned foods, medicines, etc., and can effectively prevent oxidation and deterioration.
- Nitrogen-filled can sealing machine: This kind of can sealing machine is filled with nitrogen after extracting the air to form an inert gas environment to further prevent food oxidation and microbial growth. It is suitable for occasions that require higher preservation requirements, such as coffee beans, tea leaves, nuts, etc.
- Vacuum Nitrogen Filling Sealing Machine: It combines vacuum and nitrogen filling functions, which can not only form a vacuum environment to extend the shelf life, but also prevent oxidation by filling with nitrogen. This kind of can sealing machine is suitable for foods and medicines that have extremely high preservation requirements.
2. According to degree of automation
- Manual can sealing machine: requires manual operation, is suitable for small-scale production, and has low efficiency.
- Semi-automatic can sealing machine: Can achieve partial automation, but still requires manual intervention, suitable for medium-scale production.
- Fully automatic can sealing machine: Able to achieve fully automated production, suitable for large-scale production, with the highest efficiency
There are many classification methods for can sealing machines, mainly due to differences in application scenarios, degree of automation, can sealing methods and can sealing materials.
Application scope
The application range of can sealing machines is very wide, mainly including the following aspects:
- Beverage industry: Can sealing machines are most widely used in the beverage industry and are mainly used for filling and sealing beer, carbonated drinks, juice and other carbonated canned beverages. With the advancement of automation, some aluminum carbonate mineral water labeling equipment has moved to high-speed fully automatic or semi-automatic, and can sealing machines play an important role in this field.
- Food Processing and Tobacco Industry: In the food processing and tobacco industry, can sealing machines are used for the sealed packaging of various food and tobacco products. For example, the integrated filling, labeling, filling and tightening machine that uses metal bottle caps made of tinplate material is suitable for sealing cans, pickles and other foods.
- New retail scenario: In the new retail scenario, due to the emergence and development of unmanned stores, the can sealing machine is also one of the indispensable equipment to ensure the freshness and quality of the goods.
- Other fields: The can sealing machine can also be used for filling and label printing of other non-completely sealed containers, and is suitable for sealing various round iron, glass, plastic, pet cans, aluminum cans, paper cans, etc.
Technical principles
The can sealing machine seals the mouth of the can through heating and pressing devices to prevent food from coming into contact with oxygen, thereby maintaining the freshness and quality of the food. Its working principle mainly includes the following steps:
- Jar Placement with Lids: Place jars with lids on the base.
- Tighten the jar: Use the foot pedal or cylinder to press the jar tightly onto the die.
- Pre-sealing: The first knife is used for pre-sealing, and the vacuum chamber is used for vacuuming.
- Tight seal: Tight seal with the second knife.
- Finished product output: Finally, the finished product is transported through the machine.
Advantages
The can sealing machine has the following advantages:
- High degree of automation: It can automatically complete the sealing process and improve production efficiency.
- Good sealing effect: Ensure the sealing of food and extend the shelf life.
- Wide range of applications: Suitable for many industries and different types of containers.
- Cost Savings: Compared with traditional manual or semi-automatic filling methods, the use of can sealing machines can not only save human resources, but also reduce the company's operating costs and improve efficiency through higher qualification rates and shorter testing times. .
- Environmental protection and safety: The design of the can sealing machine takes environmental protection and safety factors into consideration. For example, the use of all stainless steel materials meets food hygiene requirements, and produces less waste and noise during the production process, which is in line with the green production concept of modern industry.
- Strong adaptability: The can sealing machine is suitable for products of different sizes and different bottle types. It is easy to operate and easy to maintain.
- Diverse functions: The can sealing machine has a simple and compact structure and can be adapted to cans of different calibers by replacing a few accessories.
With its high efficiency, accuracy, environmental protection and multi-function, the can sealing machine provides significant production benefits for the food and beverage industries.
Effect
The main functions of the can sealing machine include the following aspects:
- Sealing and extending the shelf life: The can sealing machine heats and pressurizes the cans to achieve a sealed state, thereby ensuring that the food in the cans will not deteriorate or rot, and extending the shelf life of the food.
- Improve packaging quality: The can sealing machine can seal the beverage to ensure the taste and quality of the beverage and improve the packaging quality of the beverage1. At the same time, the can sealing machine can also seal various foods to ensure the quality and safety of the food and improve the packaging quality of the food.
- Multifunctional application: The can sealing machine can not only be used for sealing canned containers, but also can be used to seal various bagged foods or medicines. It can be sealed by heating and pressurizing to maintain the hygiene and quality of the products in the bag.
In addition, the can sealing machine can also be used in conjunction with the packaging machine to automatically package sealed cans or bagged products, improving production efficiency and product aesthetics.
- Detection function: Can sealing machines are usually equipped with detection devices that can detect sealing quality and product integrity to ensure product quality and safety during the production process.
Considerations when selecting
- Clarify usage requirements: First of all, it is necessary to clarify the usage scenarios of the can sealing machine, the type, size and quantity of packaged products, as well as the specific requirements for packaging efficiency and quality.
Different usage requirements correspond to different specifications and models of can sealing machines, so clear requirements are the prerequisite for purchase.
- Understand equipment performance: The performance of the can sealing machine directly affects the packaging effect and efficiency. The following aspects need to be paid attention to:
1. Sealing Quality: Make sure the seal is smooth, firm, and free of defects such as bubbles or wrinkles.
2. Packing speed: How many products can be packaged per unit time.
3. Stability: Whether the equipment is stable and reliable during long-term operation, and what is the failure rate.
- Investigate equipment brands and manufacturers: Well-known brands and high-quality manufacturers usually have more advanced technology, stricter quality control and better after-sales service. You can understand the strength and reputation of brands and manufacturers by consulting relevant information, consulting industry insiders, or conducting on-site inspections.
- Understand after-sales service: As a mechanical equipment, the can sealing machine will inevitably have some faults or problems during use. Therefore, the quality of after-sales service is crucial to the normal use and maintenance of equipment.
- Pay attention to the safety and environmental protection of the equipment: When purchasing a can sealing machine, you also need to pay attention to the safety and environmental protection of the equipment. Safety includes the electrical safety, mechanical safety and operational safety of the equipment.
By considering the above aspects, you can better choose a can sealing machine that suits your needs, ensuring that it can meet production needs during use, improve production efficiency, and ensure product quality.
Conclusion
To sum up, can sealing machines are widely used in food processing, beverage production and chemical industries. They can not only improve production efficiency and product quality, but also extend the shelf life of food and maintain the freshness of food, which has significant economic benefits. benefits and social benefits.
