Manufacturing method of multi-color and multi-functional EVA sports and leisure sole

A production method and multi-functional technology, applied in footwear, home appliances, applications, etc., can solve the problem of increasing adhesives, production equipment costs and labor, poor combination of the main part of the sole and functional parts, and affecting movement The service life of casual shoes and other issues, to achieve the effect of superior anti-skid performance, not easy to separate from each other, high elasticity and improved wear resistance

Inactive Publication Date: 2017-05-31
GUANGDONG GUOLI SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The molding method of traditional sports and leisure soles is usually to pre-form the main part of the sole, functional parts or decorative pieces, and then bond them together through adhesives. The process is more complicated, which increases the cost of adhesives, production equipment and The amount of manual labor, the production cost is too high, the production efficiency is low, and the defective rate is high
And the volatilization of the adhesive components during the bonding process will pollute the environment and cause harm to the health of the staff.
At the same time, the combination effect of the main part of the sole and the functional parts is not good. The sole needs to be used in different weather conditions. Over time, the sole will be degummed and aged. The main part of the sole and the functional parts are separated from each other, and the shoes are damaged, which affects sports and leisure shoes. service life, also increases the cost of use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of manufacture method of multi-color multifunctional EVA sports leisure sole, comprises the following steps:

[0028] A, respectively make the first EVA particle and the second EVA particle according to the formula, the color and hardness of the first EVA particle and the second EVA particle are all different, but the expansion ratio is the same;

[0029] B. The first EVA granules and the second EVA granules are respectively made into test pieces to check the magnification. After there is no problem with the magnification, they are respectively injected into the corresponding molds of the injection device for prefabricated molding. The molding temperature, molding pressure and molding time are respectively controlled. After cooling and molding Open the mold, and obtain the pre-foamed shoe sole embryo of the main part of the shoe sole and the pre-foamed shoe sole embryo of the functional part; among them, the molding temperature of the first EVA particle is 85°C, t...

Embodiment 2

[0039] A kind of manufacture method of multi-color multifunctional EVA sports leisure sole, comprises the following steps:

[0040] A, respectively make the first EVA particle and the second EVA particle according to the formula, the color and hardness of the first EVA particle and the second EVA particle are all different, but the expansion ratio is the same;

[0041] B. Inject the first EVA granules and the second EVA granules into the corresponding molds of the injection device respectively, control the molding temperature, molding pressure and molding time respectively, open the mold after cooling and molding, and obtain the pre-foamed shoe sole embryo and function of the main body of the shoe respectively. A pre-foamed shoe sole embryo; wherein, the molding temperature of the first EVA particles is 80°C, the molding pressure is 1.3MPa, and the molding time is 90s; the molding temperature of the second EVA particles is 85°C, the molding pressure is 1.3MPa, and the molding t...

Embodiment 3

[0051] A kind of manufacture method of multi-color multifunctional EVA sports leisure sole, comprises the following steps:

[0052] A, respectively make the first EVA particle and the second EVA particle according to the formula, the color and hardness of the first EVA particle and the second EVA particle are all different, but the expansion ratio is the same;

[0053] B. Inject the first EVA granules and the second EVA granules into the corresponding molds of the injection device respectively, control the molding temperature, molding pressure and molding time respectively, open the mold after cooling and molding, and obtain the pre-foamed shoe sole embryo and function of the main body of the shoe respectively. A pre-foamed shoe sole embryo; wherein, the molding temperature of the first EVA particles is 90°C, the molding pressure is 1.1MPa, and the molding time is 60s; the molding temperature of the second EVA particles is 95°C, the molding pressure is 1.1MPa, and the molding t...

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Abstract

The invention relates to the technical fields of shoes and particularly relates to a manufacturing method of a multi-color and multi-functional EVA sports and leisure sole. The method comprises the following steps of manufacturing first EVA particles and second EVA particles according to the formula separately; injecting the two EVA particles into a mold corresponding to an injection device for prefabricating and molding; cooling and opening the mold so as to obtain a pre-foamed sole base of a sole main body and a pre-foamed sole base of a functional part separately; putting the two sole bases into different positions in a foaming mold separately, and carrying out foam molding to obtain a crude foamed sole product; and carrying out mode hopping on the crude foamed sole product and then carrying out gradient cooling, setting by cooling and trimming to obtain the multi-color and multi-functional EVA sports and leisure sole. The manufacturing method is simple in process, low in production cost, high in production efficiency and low in defect rate; the prepared multi-color and multi-functional EVA sports and leisure sole has the advantages of being light, good in damping property, good in elasticity, good in wear resistance and good in slip resistance, and is convenient to wear; and the functional part does not easily fall off from the sole main body.

Description

technical field [0001] The invention relates to the technical field of footwear, in particular to a method for making multi-color and multifunctional EVA sports and leisure soles. Background technique [0002] With the development of society, people have increasingly diversified functional requirements for footwear, especially higher and higher performance requirements for soles. Sports and leisure footwear plays a very important role in people's daily life. In order to improve wearing comfort and meet different functional requirements, sports and leisure soles usually include sole main parts and functional parts of different colors and hardnesses. Functional parts or decorative pieces are provided in the missing parts, and the hardness ratio and color of the functional parts or decorative pieces are different from those of the main part of the sole. The molding method of traditional sports and leisure soles is usually to pre-form the main part of the sole, functional part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L9/02C08L83/04C08L23/16C08L27/18C08K13/06C08K13/02C08K9/06C08K7/08C08K3/22C08K5/09C08J9/10B29D35/12
CPCC08L23/0853B29D35/122C08J9/103C08J9/105C08J2203/04C08J2203/18C08J2323/08C08J2409/02C08J2423/08C08J2483/04C08K2201/003C08K2201/011C08K2201/016C08L2201/02C08L2201/08C08L2205/02C08L2205/035C08L2205/14C08L23/0815C08L9/02C08L83/04C08L23/16C08L27/18C08K13/06C08K9/06C08K7/08C08K2003/2241C08K2003/2296C08K5/09C08L63/00C08K13/02C08K5/14
Inventor 叶润金叶智轩罗文平
Owner GUANGDONG GUOLI SCI & TECH CO LTD
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