Popular science || common application of rubber in daily life

The rubber industry developed with the automobile industry. The rapid development of automobile industry and petrochemical industry in the 1960s has greatly improved the production level of rubber industry. In the 1970s, in order to meet the needs of high-speed, safety, energy conservation, elimination of pollution and prevention of public hazards, new tire varieties were promoted. Most old drivers will encounter the problem of puncturing tires when driving. After all, the tires are rubber products, and there is no power to fight back when encountering nails. The maintenance method after puncturing the tire must be to repair the tire. It can't be said that the tire is replaced after puncturing a nail. It's too wasteful.

There are many common ways to repair tires, among which the most common and the most effective one is the rubber patch hot repair. Hot repair is the most thorough tire repair measure. The automobile tire hot repair technology also needs to remove the automobile tire from the rim, then attach the special raw rubber patch to the wound, and then bake the wound with a baking machine until the raw film is completely attached to the automobile tire. The advantage is that it is very durable, and there is basically no need to worry about repeated air leakage at the wound.

So do you know how such a small piece of rubber is made? Let's talk about it.

Rubber is a kind of rubber products widely used in sealing technology. Because rubber is a valuable elastic polymer material with a wide temperature range, it will produce large deformation when given small stress in different media. This deformation can provide contact pressure, compensate leakage gap and achieve the purpose of sealing; Before the rubber is used, the raw materials need to be die cut to prepare the required rubber seals.

The existing rubber seal forming and die-cutting machines and methods will have the following accuracy problems: first, when the rubber seal is die-cutting, because the rubber seal itself is elastic, it is difficult to control the tension during die-cutting, which is easy to cause deviation during die-cutting, resulting in the decline of die-cutting accuracy.

Hadesheng round knife die-cutting machine has developed a rubber sheet rotary die-cutting machine to solve this problem. First, the required materials are placed on the feeding shaft in turn to form the products to be cut. The first step is to die cut the release film to the required size of the product, and then use the die-cutting tool to die cut the first layer of rubber products and compound the release film to form the first accuracy test, and then die-cut the large sleeve rubber products and compound the first layer of rubber products, The second accuracy test is formed. The CCD test calculates the compensation value by comparing the y-direction scale with the material. Two CCD tests the inner and outer edges of the product respectively, taking the material center as the benchmark, and calculates the intermediate compensation value, which can effectively reduce the error and improve the die-cutting accuracy.

Rubber is a kind of universal basic element in sealing device, which plays a very important role in the contradiction between leakage and sealing. Solve leakage and sealing problems in the process of human conquest of nature. It is an important green product that has been promoting technological progress and preventing and reducing environmental pollution. It not only provides people with daily-use, medical and other light industrial rubber products that are indispensable to their daily life, but also provides various rubber production equipment or rubber parts to mining, transportation, construction, machinery, electronics and other heavy industries and emerging industries. It can be seen that the rubber industry has a wide variety of products and a broad industry. China's rubber processing industry is in a period of vigorous development. The rubber industry in various regions has not only accelerated the process of China's industry, but also led to a good situation of economic construction and development in various regions.