The working characteristics of the special-shaped can s […]
The working characteristics of the special-shaped can sealing machine are manual capping, and pressing the can tightly between the indenter of the special-shaped can sealing machine and the bottom plate or lifting plate, and then sealing the can.
There are two types of crimp sealing methods: ① The can itself rotates with the indenter; ② The can is fixed between the indenter and the bottom plate and cannot rotate. The latter type of canning machine is more suitable for sealing canned soups. Because the tank body does not rotate, the product's gross weight can be avoided due to the splashing of the soup inside the tank under the effect of centrifugal force; the sealed can enters the sealed room of the special-shaped can sealing machine, and the air in the tank is evacuated by the pipe connected to the vacuum pump, and Seal again.
The machine is closed when there is a tank with a lid, and it automatically stops when the tank is without a lid. It stops automatically when it is overloaded. It cannot start and stop automatically when the vacuum is lacking. The production capacity is 50 cans / minute. Applicable to special-shaped cans with a maximum diagonal of 130 mm and a can body height of 22 to 96 mm. This can sealing machine has the advantages of simple structure, convenient maintenance operation, small size and light weight. The production of domestic aluminum cans began in the 1980s. After more than 20 years of development, it has formed a certain production capacity. There are 26 cans production lines with an annual production capacity of more than 11 billion. In 1996, China's sales of cans were 5 billion Only, the consumption of cans nationwide in 1998 was about 6 billion, and the total national demand for cans in 2004 reached about 8 billion, and about 180,000 tons of aluminum was consumed. However, from the current consumption situation of aluminum cans, 6 per capita There is a big gap between the average per capita of 400 animals in the United States, so as the economy grows and people's consumption levels increase, the amount of aluminum used for special-shaped can sealers will also increase.
According to forecasts, in 2010, the country's aluminum for cans will reach 290,000 tons. With the continuous improvement of seam sealing machinery and other technologies of can manufacturing enterprises, the thickness of aluminum strips for can bodies has been reduced from 0.343 in the last century to 0.250 mm; the thickness of aluminum strips for can lids has also been reduced from the original 0.39HⅡn It is 0.24mm. In order to improve production efficiency, various can manufacturers are also relying on advanced technology to continuously improve the forming speed of the can body. In the mid-1980s, the production capacity of the US can production line was about 800 cans / min, and now it has reached 2,000 cans / min. min.