Analysis on the Technique and Technology of Metal Can Sealing

Can sealing machine The sealing quality of metal cans is of decisive significance to the quality of the products it carries. If the sealing of the can is not ideal, not only will the sensory quality of the can be damaged, but also air and bacteria will have a chance to enter the can, which will deteriorate the product and shorten its shelf life. The double crimping sealing technology can firmly connect the can lid and the can body to form an airtight sealing state and smooth crimping. Besides improving the sensory quality of the can, the shelf life of the product can be extended.

However, after the double hemming process is completed, we cannot see the internal structure of the double hemming. The tightness of the hemming seams and the overlap rate are even more difficult to judge from the appearance. If you want to check whether the metal can packaging is qualified or not, you can only use special tools, such as: double crimping detector, can crimping projector and electric single and double stitch data of metal serrated knife.

With the above tools, only a batch of metal cans can be sampled for inspection, and the crimping is opened, and the metal cans are sampled and scrapped after testing. Such test results are not comprehensive, and increase the cost of can making, causing energy waste. Now, how to reduce the defective rate and find a more effective detection method has become a key issue to be solved urgently in the metal packaging industry. In the sealing process, the sealing roller plays a vital role in the double curling. Can sealing machine Although the configuration of the groove curve of the middle roller has a certain rule, due to the different production conditions of each factory, the selected values ​​for the composition curve are also different. At present, there is no unified universal standard for the groove curve of the roller at home and abroad.

In this case, how to choose a suitable roller curve and further optimize it is also an important issue facing the metal packaging industry. The finite element method is a calculation method produced with the rapid development and wide application of electronic computers, and it is a numerical method for approximately solving general continuum problems. Through numerical simulation of finite element analysis, parameter analysis and optimization of product mechanical structure performance can achieve high efficiency and low cost. In fact, finite element analysis has become a numerical "virtual test" that replaces a large number of physical tests. Applying finite element analysis software to virtual simulation of the double crimping process of tinplate three-piece cans, performance analysis and optimization of the roller groove curve, has great economic and social benefits, and can also be applied to other similar products Production, which has important practical significance to promote the development of my country’s packaging machinery industry and is conducive to improving Can sealing machine The high production efficiency, sealing quality, lower cost, defective rate and increase material utilization rate and roller life, help speed up the development cycle of new products, reduce the workload of engineering and technical personnel, and help reduce the work of preliminary production and process exploration Reduce the difficulty of work, and improve the market competitiveness of new products.