Vulcanizing method of multifunctional hub oil seal
A multi-functional, wheel hub technology, applied in the vulcanization field of multi-functional wheel hub oil seals, can solve the problem of not being able to adapt to multi-functional wheel hub oil seal vulcanization production, etc., and achieves the effect of eliminating the pre-forming process, convenient and fast feeding, and high-quality effects.
Active Publication Date: 2012-02-22
广东天诚密封件股份有限公司
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Problems solved by technology
However, the mold structure and vulcanization method of the existing oil seal will not be suitable for the vulcanization production of the new multifunctional hub oil seal
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[0020] A vulcanization method for a multifunctional wheel hub oil seal adopts a vulcanization mold with a cavity structure and a self-injection structure.
[0021] refer to Figure 4 The multifunctional hub oil seal 20 includes: an "L"-shaped metal skeleton 23 with a lower supporting bottom surface 21 and an upper supporting end surface 22, a first rubber sealing ring 24 located at the inner end of the metal framework, and a first rubber sealing ring 24 located on the outer surface of the metal framework containing a threaded structure. Two rubber sealing rings 25;
[0022] refer to Figure 1-Figure 2 , the mold cavity structure includes a middle mold body 12 located in the middle, a lower mold body 13 positioned outside the bottom, an outer core mold body 14 located in the middle of the bottom and an inner core mold body 15 positioned at the center, by the middle mold body 12 , the lower mold body 13, the outer core mold body 14 and the inner core mold body 15 are combined ...
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The invention relates to a vulcanizing method of a multifunctional hub oil seal, which adopts a vulcanizing mold comprising a mold cavity structure and a self-injection structure. The self-injection structure comprises that an annular groove matched with an oil seal cavity is arranged on the upper face of a middle mold body, an injection hole is arranged between the annular groove and the oil seal cavity, an upper mold body is arranged above the middle mold body, and a convex ring matched with the annular groove is arranged on the lower face of the upper mold body. The vulcanizing steps include mold combining, material feeding, warming and melting, material injecting, vulcanizing, demolding and the like. Due to the arranged self-injection structure, the vulcanizing mold omits a pre-molding processing procedure of sizing materials, is convenient and fast in material feeding, and improves integral production efficiency compared with other pre-molded oil seal vulcanizing molds. During vulcanizing, the sizing materials can be evenly filled in the whole cavity, the connection position of an injection port and products is automatically separated during mold opening due to the fact that the products are clamped on the lower portion of the mold, and the appearance of the products reaches higher quality effect.
Description
technical field [0001] The invention relates to a vulcanization method of a self-injection structure vulcanization mold used for producing multifunctional wheel hub oil seals. Background technique [0002] Most of the vulcanization molds for traditional oil seals are vulcanized by the steps of mold opening, feeding, and mold closing. However, it is necessary to preform the injected rubber and control the weight of the rubber. The processing of the rubber is more complicated. Therefore, The traditional vulcanization method is generally suitable for oil seals with relatively simple structures. [0003] With the continuous development of society, the requirements for the components of the automobile axle system are getting higher and higher, especially the hub oil seal of the automobile axle, which is the most important key part in the axle system, and the assembly requirements for each component are relatively high. High, not only must have the characteristics of high safety,...
Claims
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IPC IPC(8): B29C35/02B29C33/00
Inventor 吴克胜
Owner 广东天诚密封件股份有限公司