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High-elasticity wear-resistant dual-density in-mold foaming rubber tire and manufacturing process thereof

A foamed rubber, high-density technology, applied in the field of rubber product technology, can solve the problems of insufficient elasticity, high cost, time-consuming, etc., and achieve the effect of increasing elasticity, high bonding strength, and reducing energy consumption.

Active Publication Date: 2019-02-12
东营睿港招商服务有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to overcome the problems in the prior art of insufficient elasticity of rubber tires, separate injection of double-density tires, foaming and vulcanization, high energy consumption, time-consuming and high cost, the present invention provides a high-elastic and wear-resistant double-density in-mold foaming Rubber tire and its manufacturing process

Method used

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  • High-elasticity wear-resistant dual-density in-mold foaming rubber tire and manufacturing process thereof
  • High-elasticity wear-resistant dual-density in-mold foaming rubber tire and manufacturing process thereof
  • High-elasticity wear-resistant dual-density in-mold foaming rubber tire and manufacturing process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] The high-elastic wear-resisting dual-density foamed rubber tire in the mold of the present embodiment, as figure 1 , 2As shown, it includes a high-density outer layer 61 and a low-density inner layer 62, which is an integrated structure that is released from the same mold; the materials of the high-density outer layer 61 and the low-density inner layer 62 are high-density rubber and low-density rubber, respectively. Rubber material, the low-density inner layer 62 is also evenly embedded with spring supports 63 in a radial state, which play a role in skeleton support, similar to steel bars in concrete, and the spring elasticity can be selected to be consistent with the elasticity of low-density rubber to strengthen The support strength of the low-density inner layer slows down the elastic fatigue attenuation caused by frequent deformation of the low-density inner layer.

[0057] The formula of high-density rubber components and their respective parts by weight include: ...

Embodiment 2

[0061] The basic structure of the high-elastic and wear-resistant double-density in-mold foam rubber tire of this embodiment is the same as that of Embodiment 1, and the improvement is that connecting plates are fixed at both ends of the spring support to facilitate the synchronization of the spring support in the mold. and fixed, the preset spring support is carried out before rubber vulcanization, which are the outer ring connecting plate 64 and the inner ring connecting plate 65; the outer ring connecting plate 64 and the inner ring connecting plate 65 are both tightly against the height The density of the outer layer is 61, and it can be designed as a curved plate that fits the shape of the outer or inner ring of the tire, which can effectively improve the bonding strength between the spring support and the rubber. The rubber can be embedded in the spring gap and can recover synchronously with the spring elasticity; image 3 , 4 As shown, the compression molding and foam v...

Embodiment 3

[0080] The high-elastic and wear-resistant dual-density in-mold foam rubber tire of this embodiment has the same basic structure as that of Embodiment 2;

[0081] The high-elastic and wear-resistant dual-density in-mold foam rubber tire of the present embodiment, the low-density rubber component formula and its respective parts by weight include: 39 parts of composite rubber, 35 parts of regenerated rubber, 5 parts of styrene-butadiene rubber, and 5 parts of natural rubber. Parts; 8 parts of butadiene rubber, 5 parts of 120 resin, 12 parts of carbon black, 5 parts of naphthenic oil, 0.7 parts of stearic acid, 3 parts of zinc oxide, 1.3 parts of composite accelerator, 2.5 parts of composite anti-aging agent, and composite vulcanizing agent 2.1 parts. Composite rubber is the composition of naphthenic oil, butyl rubber, butadiene rubber, natural rubber, white carbon black, black carbon black N330, stearic acid, zinc oxide and secondary K plastic; the carbon black is carbon black ...

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Abstract

The invention discloses a high-elasticity wear-resistant dual-density in-mold foaming rubber tire and a manufacturing process of the high-elasticity wear-resistant dual-density in-mold foaming rubbertire, and belongs to the technical field of rubber product processes. The high-elasticity wear-resistant dual-density in-mold foaming rubber tire comprises a high-density outer layer and a low-densityinner layer, and is of an integrated structure with the same mold for discharging. The high-density outer layer and the low-density inner layer are made of high-density rubber materials and low-density rubber materials correspondingly. Spring supports in a radial state are uniformly embedded in the low-density inner layer so as to play the role of framework support, and the elasticity of springscan be selected to be consistent with the elasticity of low-density rubber so as to enhance the supporting strength of the low-density inner layer. In addition, a dual-density bi-directional injectionin-mold forming-vulcanizing tire production system is applied to complete dual-density glue bi-directional injection, foaming and vulcanizing processes in one mold and obtain the manufactured tire. The problems of the insufficient elasticity of a rubber tire, the separate operation of injection, foaming and vulcanizing of a dual-density tire, energy consumption, time consumption and the high costare solved.

Description

technical field [0001] The invention belongs to the technical field of rubber products, and in particular relates to a high-elasticity wear-resistant double-density foamed rubber tire in a mold and a manufacturing process thereof. Background technique [0002] Tires are one of the important components of a car. Its main function is to support the quality of the car, bear the load of the car, transmit traction and braking torque, and ensure the adhesion between the wheel and the road; reduce and absorb the vibration and impact of the car when it is running, and prevent the car from zero damage. The components are subject to severe vibration and early damage, adapt to the high-speed performance of the car and reduce the noise during driving, ensuring the driving safety, handling stability, comfort and energy-saving economy of the car. [0003] According to the requirements, the rubber tire must not only ensure its strength and wear resistance, but also ensure its elasticity. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/16B29C45/26B29C45/34B29C45/67B29C35/04B29C33/76B29D30/06B60C5/20
CPCB29D30/0606B29D30/0678B29D2030/0607B29D2030/0675B60C5/20
Inventor 唐帆叶孙勇葛九敢黎广蒋水金周俊赵正陶克军时守超葛磊
Owner 东营睿港招商服务有限责任公司
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