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Dual damascene type pore-free tyre segmental mold, dual damascene type pore-free tyre segmental mold pattern block and manufacturing method

A pattern block, no air hole technology, used in the field of tire molds, can solve the problems of complex cleaning process, difficult cleaning, and inability to clean thoroughly.

Active Publication Date: 2013-11-27
HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] To sum up, although the tire vulcanized by the existing non-porous technology has a beautiful appearance and saves rubber, there are always major technical problems that hinder the promotion and popularization of the non-porous technology, that is, the exhaust effect of the non-porous mold is poor and the cleaning effect is poor. difficult question
Almost all non-porous molds have complicated cleaning process and high cost, and most of them cannot be cleaned thoroughly, which directly affects the quality and cycle of mold re-vulcanization

Method used

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  • Dual damascene type pore-free tyre segmental mold, dual damascene type pore-free tyre segmental mold pattern block and manufacturing method
  • Dual damascene type pore-free tyre segmental mold, dual damascene type pore-free tyre segmental mold pattern block and manufacturing method
  • Dual damascene type pore-free tyre segmental mold, dual damascene type pore-free tyre segmental mold pattern block and manufacturing method

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Embodiment Construction

[0052] The present invention first proposes a bimetal inlaid airless tire active mold block, which is characterized in that the block includes a block body made of a first metal material and an inlay structure of a second metal material, and the block body is close to The inlay structure is set on the inner peripheral surface for forming the pattern surface to be assembled into a bimetal inlaid airless tire active mold block, the block is provided with a row connecting the inner peripheral surface and the outside of the active mold cavity The air channel, wherein the first metal material and the second metal material are both materials suitable for tire vulcanization, and the strength of the first metal material is higher than that of the second metal material. The invention also proposes a non-porous tire active mold using the aforementioned pattern blocks and a method for manufacturing the pattern blocks. The bimetal inlaid airless tire active mold block of the present invent...

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Abstract

The invention provides a dual damascene type pore-free tyre segmental mold, a dual damascene type pore-free tyre segmental mold pattern block and a manufacturing method. The pattern block comprises a pattern block body and aluminum structures, wherein the pattern block body adopts a steel structure; the aluminum structures are inlaid in positions close to the inner peripheral surface of the pattern block body, which is used for forming a pattern surface; the pattern block body and the aluminum structures are assembled to form the dual damascene type pore-free tyre segmental mold pattern block; the pattern block body is provided with an exhaust passage communicated with the inner peripheral surface and the exterior of a segmental mold cavity. The pattern block provided by the invention is formed by compositing two materials, the intensity of steel is higher than that of aluminum, the thermal conductivity of aluminum is higher than that of steel, and the pattern block integrates the advantages of the two materials; all parts receiving extrusion force, friction force and the like during use are all made of steel, all pattern forming parts are made of aluminum, the vulcanization efficiency is high and the tyre surface quality is guaranteed.

Description

Technical field [0001] The invention relates to a tire mold, in particular to a bimetal inlaid air-less tire active mold. Background technique [0002] In the tire vulcanization process, in order to release the air in the mold cavity so that the rubber can be evenly distributed in the mold, the existing tire molds are provided with multiple vent holes in the mold cavity. Usually, drilling is used to form the required vent holes. After the drilling process is completed, the burrs at the end of the hole need to be trimmed, which increases the mold manufacturing process and increases the mold manufacturing cost; on the other hand, in the vulcanization process Since the exhaust in the tread area is discharged through circular air holes, these air holes are usually located on the top surface of the mold inner tube and penetrate to the outer surface of the mold. Under high pressure and high heat, the unvulcanized raw rubber will Is squeezed out of the top cavity of the mold; when the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/10B29C33/38
Inventor 张伟张任马海波
Owner HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD
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