With the improvement of people's consumption level and the enhancement of consumption ability, essential oil as the production of daily chemical products for keeping the human body relax and beauty, have been unprecedentedly developed, and the competition in the cosmetic market is becoming more and more fierce. In order to better publicize their products, the manufacturers have different classification and packaging of cosmetics for their own characteristics.
There are many kinds of packaging machines, and there are many different ways to divide them from different functions. The particle packaging machine and the powder packaging machine are divided into vacuum or vacuum inflators, commonly used in chamber type and external pumping type. The external pumping packaging machine has several functions such as vacuum packaging and vacuum inflation packaging, so it is also called multifunctional modified atmosphere packaging machine.
1. Vacuum packaging machine: The vacuum packaging machine is a chamber structure. A vacuum studio can be sealed by the upper and lower chambers. The food packaging bag mouth is placed between the upper and lower sealing devices. The vacuum chamber is first vacuumed. The bag is vacuumed at the same time and then sealed under vacuum to ensure high vacuum inside the bag. The common models include single-chamber, double-chamber, conveyor belt, etc. The food packaging bags are horizontally placed and the liquids are easily spilled and are not suitable for use when packaging liquid articles or liquids (such as kimchi, water bamboo shoots, and fruit soft cans). A liquid vacuum packaging machine designed by a professional in 1995 and obtained a national patent. The heat sealing device is installed obliquely in a vacuum chamber. The packing bag of the product is almost erected, and the liquid does not overflow.
2, vacuum inflatable packaging machine: chamber vacuum packaging machine to add a set of inflatable device is ready to vacuum inflatable packaging machine, food packaging bag mouth on the inflatable mouth, and placed in the upper and lower heat sealing device, the first vacuum chamber pumping Vacuum; At the same time, vacuum is filled in the bag, and then the gas is filled into the vacuum chamber. At the same time, the bag is inflated and then sealed. It is vacuum inflated and packaged. However, when the opening of the bag is inflated when the bag is inflated, the pressure inside the bag is substantially the same as that in the vacuum chamber, and the pressure is negative. Therefore, the aeration effect is not good. I designed and obtained a national patent for a vacuum inflatable packaging machine in 1996. A sealing device was added at the mouth of the bag of the article packaging. When the bag was inflated, it was sealed and then inflated to improve the utilization of inflation gas. The inflation volume was adjustable.
3, multi-functional air-conditioning packaging machine: air-conditioning packaging machine has a common sealing packaging, vacuum packaging, vacuum inflatable packaging several functions, for external pumping (also known as direct pumping, suction tube type, etc.) packaging machine, there is no vacuum studio, The packaging bag is put on the inflatable mouth and placed between the upper and lower sealing devices and the upper and lower heat sealing devices. The packaging bag is first sealed by the sealing device, and then the bag is directly inflated by vacuum or vacuum, and then the inflating mouth is Go back and finally seal the heat sealing device. This model can be arbitrarily adjustable in the amount of inflation, within the scope of the seal length is not limited by the packaging volume, the packaging effect is considerable, the disadvantage is that the degree of vacuum relative to the cavity vacuum packaging machine is low, powder and liquid foods are not applicable. 
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