In the food, cosmetics, and pharmaceutical industries, the demand for plastic blow molding machine
s is increasing year by year. In the late 1950s, with the birth of high-density polyethylene and the development of blow molding machines, blow molding technology has been widely used. The volume of the hollow container can reach thousands of liters, and some production has adopted computer control. Plastics suitable for blow molding include polyethylene, polyvinyl chloride, polypropylene, polyester, etc. The resulting hollow containers are widely used as industrial packaging containers. After long-term development, the plastic bottle industry has gradually formed a number of industrial clusters in the north and south, and professional blow molding machine production bases have gradually formed around these industrial clusters. At present, several important blow molding machine production bases have been formed in Huangyan in Taizhou, Foshan in Guangdong, Lianyungang in Jiangsu and Cangzhou in Hebei. As an indispensable equipment for bottle blowing, bottle blowing molds have not formed a balanced development, and are currently mainly concentrated in Huangyan, Taizhou. Many domestic plastic bottle manufacturers need to purchase blow molds from Huangyan. This is for plastic bottle manufacturers, especially those in the northeast and northwest of the country when they need to travel a long distance. At present, most of the blow molding machines are still two-step blow molding machines, that is, plastic raw materials must be made into preforms before blowing. Nowadays, the environmentally friendly plastic made of PET is generally used. Blow molding machine: After the liquid plastic is sprayed out, the wind blown by the machine is used to blow the plastic body to a certain shape of the cavity to make a product. This kind of machine is called a blow molding machine. It is also a kind of blow molding machine, namely hydraulic blow molding machine. The rapid development of the bottle blowing machine
and its adoption in many industries is mainly due to its distinctive characteristics. First of all, the bottle blowing machine adopts the oil-free air bag clamping technology, which has a large clamping force, and has less force in the toggle operation and long life. Secondly, the use of the patented flying-out sealing technology makes sealing easier, especially for jars. In addition, the use of Keyence's PLC, touch screen, easier operation and high reliability. However, with the wide range of applications, the requirements are also increasing. At present, the pharmaceutical industry has two urgent needs for blowing equipment. One is that because the price of plastic raw materials continues to rise, companies are constantly thinking about how to reduce packaging costs to maximize profits, so they need to use advanced blowing equipment to produce lighter bottles; the second is due to the rapid changes in the market. Manufacturers must respond flexibly to the shorter and shorter life cycles of medicines. These two urgent needs have created a big problem for the bottle blowing equipment supplier. As for the bottle blowing machine industry, with the development of the domestic plastic bottle market, it has developed rapidly in recent years, and some small domestic companies engaged in the production of bottle blowing machines have also grown in this process. From the small workshops in the early stage of reform and opening up, the gap between the international giant bottle blowing machine companies has been gradually shortened, and the blowing machine manufacturing technology of some companies has reached the international leading level.
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