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Structural design and mechanical analysis of a new equipment for tire vulcanization
Mechanics Based Design of Structures and Machines ( IF 2.9 ) Pub Date : 2021-04-09 , DOI: 10.1080/15397734.2021.1910956
Weiping Qiu 1 , Jianbo Wang 2 , Wangyu Liu 1 , Zhenhong Xie 3 , Pengfei Tian 1 , Weigui Xie 1
Affiliation  

Abstract

Vulcanization is a pivotal process of tire manufacturing, endowing the uncured tire with exquisite surface pattern and superior performance by converting rubber property from plasticity to elasticity. However, the defects of incomplete expansion, asymmetric structure, and vapor condensation deposition in the existing vulcanization technology inferiorly affect the uniformity and dynamic balance performance of tires. In our paper, a novel tire curing equipment, i.e., vulcanized inner mold drum (VIMD) is designed to improve the traditional vulcanization process for automobile tires. The structure design of the drum tiles, the telescopic mechanism and the transmission mechanism, and the finite element simulation analysis and reliability check of the key components are carried out. The contraction ratio is obviously increased by increasing the number of drum tiles and adopting the structural design method of arranging the link mechanisms cross-symmetrically. The ingenious design of the dual cam link mechanism enables the movement of the mechanism to proceed in an orderly manner, effectively avoids complicated controlling design. The design of self-locking structure considerably reduces the force of the links and improves the overall dimensional accuracy. The results suggest that the VIMD has excellent dimensional accuracy and structural stability.

  • Highlights
  • A new type equipment for tire vulcanization is proposed.

  • The contraction ratio is obviously increased by increasing the number of drum tiles, and adopting the structural design method of arranging the link mechanisms cross-symmetrically.

  • The ingenious design of the cylindrical cam track enables the movement of the mechanism to proceed in an orderly manner, effectively avoiding the interference of parts.

  • The design of the dual cam link mechanism avoids complicated controlling design and effectively improves space utilization.

  • The design of self-locking structure considerably reduces the force of the links and improves the overall dimensional accuracy.



中文翻译:

一种新型轮胎硫化设备的结构设计与力学分析

摘要

硫化是轮胎制造的关键工序,通过将橡胶的特性从可塑性转变为弹性,赋予未硫化轮胎精美的表面花纹和优越的性能。但现有硫化技术存在膨胀不完全、结构不对称、气相凝结沉积等缺陷,对轮胎的均匀性和动平衡性能影响较差。在我们的论文中,设计了一种新型轮胎硫化设备,即硫化内模鼓(VIMD),以改进传统的汽车轮胎硫化工艺。对滚筒瓦、伸缩机构和传动机构进行了结构设计,并对关键部件进行了有限元仿真分析和可靠性校核。通过增加鼓瓦数量,采用连杆机构交叉对称布置的结构设计方法,收缩率明显提高。双凸轮连杆机构的巧妙设计,使机构运动有序进行,有效避免复杂的控制设计。自锁结构设计大大降低了连杆受力,提高了整体尺寸精度。结果表明,VIMD 具有出色的尺寸精度和结构稳定性。自锁结构设计大大降低了连杆受力,提高了整体尺寸精度。结果表明,VIMD 具有出色的尺寸精度和结构稳定性。自锁结构设计大大降低了连杆受力,提高了整体尺寸精度。结果表明,VIMD 具有出色的尺寸精度和结构稳定性。

  • 强调
  • 提出了一种新型轮胎硫化设备。

  • 通过增加鼓瓦数量,采用连杆机构交叉对称布置的结构设计方法,收缩率明显提高。

  • 圆柱形凸轮轨道的巧妙设计,使机构运动有序进行,有效避免零件干涉。

  • 双凸轮连杆机构的设计避免了复杂的控制设计,有效提高了空间利用率。

  • 自锁结构设计大大降低了连杆受力,提高了整体尺寸精度。

更新日期:2021-04-09
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