As a type of equipment commonly used in the vacuum packaging machine, the sealing machine is a machine that needs to seal the packaging container after loading the product in the packaging container, so that the product is sealed and preserved, keep the quality of the product and avoid the loss of the product. This form of sealing refers to the container that contains the products, the container to seal machinery. The material that makes it is a lot, wait, like the kind of paper, plastic, glass, ceramic and porcelain, metal, The composite material and the configuration of the container and the physical performance are also different, therefore, the way in which The USES and the sealing device are also different.
In general, according to the mechanical properties of the plastic injection machine, it can be divided into the following two categories: sealing device for flexible containers. The flexible container is a type of bag container made of flexible materials, such as paper, plastic film and composite film. The sealing device of this type of container is often combined with the filling and bag making machine, which is rarely used independently. Due to the different materials, the sealing device is also different. Rigid container sealer. The rigid container refers to the container whose shape is not easy to change after the container is formed, its seal is multipurpose. the following some types.
In general, the sealing machine has two forms of performance in the manual sealing machine and packaging. Well known, screw cap. This type of cover is processed in advance in the internal thread, which can be divided into a single head or multiple heads. For example, the single-head thread is most commonly used in medicine bottles and the multi-head thread is most commonly used in cans. The machine turns the cover and presses it against the mouth of the container. Second, roll marks. The lid is made of aluminum and has no thread in advance. The lid is rolled by a roller so that it has the same thread shape as the lid of the bottle, to seal the container. This type of cover breaks along the notch around the skirt when it opens, and can not be restored. for what is also called "anti-theft cover". This machine is mainly used for the sealing and packaging of high quality alcoholic beverages.