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Method for manufacturing color gradient material, injection molding machine and color gradient material

A color gradient, injection molding machine technology, applied in the production of color gradient materials, injection molding machines and color gradient materials, can solve problems such as low production efficiency and cumbersome steps

Pending Publication Date: 2021-06-18
GUANGDONG YIZUMI PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing production steps of gradient color polyurethane products are cumbersome and the production efficiency is low

Method used

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  • Method for manufacturing color gradient material, injection molding machine and color gradient material
  • Method for manufacturing color gradient material, injection molding machine and color gradient material
  • Method for manufacturing color gradient material, injection molding machine and color gradient material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A kind of method of making color gradient material of the present invention, it comprises the following steps:

[0034] Step S1: the injection molding machine closes the mold to form a mold cavity;

[0035] Step S2: Inject raw materials and color paste into the mold cavity; wherein the input amount of the color paste is gradually increased or decreased based on the time gradient;

[0036] Step S3: The injection molding machine opens the mold and ejects the material.

[0037] The present invention adopts the above-mentioned method to produce the color gradient material, and the color paste is added in a decreasing or increasing manner during the injection process to obtain a material with a color gradient effect. Using this integrated molding method greatly simplifies the production process and improves production efficiency. Since the color paste is added to the material during the material molding process, the color gradient material has a gradual effect from the ins...

Embodiment 2

[0041] A kind of method of making color gradient material of the present invention, it comprises the following steps:

[0042] Step S1: the injection molding machine closes the mold to form a mold cavity;

[0043] Step S2: Inject raw materials and color paste into the mold cavity; wherein the color paste has metal flake pigments;

[0044] Step S3: The injection molding machine opens the mold and ejects the material.

[0045] As a preference, the color paste includes spherical particle pigments. Since spherical particle pigments and metal flake pigments are added to the material during the molding process of the material, their distribution positions and angles on the material are different, and spherical particle pigments and metal flake pigments at different angles have different refractive indices. and absorption coefficient, so that the flash effect and gradient effect of light and dark changes can be realized at different viewing angles.

[0046] Specifically, the spher...

Embodiment 3

[0050] This embodiment provides an injection molding machine, which is suitable for the methods for making color gradient materials in Embodiment 1 and Embodiment 2. Such as figure 1 As shown, the injection molding machine includes: a fixed plate 1, a moving plate 2, a first fixed mold 3, a moving mold, and a first injection machine 5 communicated with the first fixed mold 3;

[0051] The first glue injection machine 5 includes a mixing part 51, a feed pipe communicated with the mixing part 51 and a color injection pipe 53, and the color injection pipe 53 is used to inject color paste into the mixing part;

[0052] The color injection pipe 53 is provided with a flow valve 531. When the first working position of the flow valve 531 is gradually moved to the second working position, the input volume of the color paste injected into the mixing part by the color injection pipe 53 gradually decreases. When the flow valve 531 gradually moves from the second working position to the f...

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Abstract

The invention provides a method for manufacturing a color gradient material, an injection molding machine and the color gradient material. The method comprises the steps that the injection molding machine performs mold closing to form a mold cavity; raw materials and color paste are injected into the mold cavity; wherein the input amount of the color paste is gradually increased or gradually decreased based on a time gradient, and / or the color paste is provided with a metal sheet-shaped pigment; and the injection molding machine performs mold opening and material ejection. The material with the gradually-changed color, which is manufactured by the method and the injection molding machine, has a gradually-changed effect from inside to outside, and the condition that the color of the surface is inconsistent with that of the interior after the surface is abraded is avoided. According to the method for manufacturing the color gradient material, the color gradient material can be formed at a time, so that the production process is greatly simplified, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of injection molding equipment, in particular to a method for making color gradient materials, an injection molding machine and color gradient materials. Background technique [0002] As a "smart" material, polyurethane has the characteristics of being soft or hard, wear-resistant, scratch-resistant, self-repairing, etc., as well as the advantages of free color matching, adjustable transparency, bright color, and being friendly to "smart inserts". It is used in the preparation of automotive interior parts, smart home appliance accessories, and mobile phone accessories, and the number of applications is increasing year by year. [0003] As people's requirements for the appearance of polyurethane products gradually increase, some polyurethane products with gradual changes in surface color appear on the market. At present, the surface of polyurethane products has a gradual color effect mainly by spraying colora...

Claims

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Application Information

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IPC IPC(8): B29C45/16B29C45/06B29C45/10
CPCB29C45/1615B29C45/1634B29C45/06B29C45/10
Inventor 陈炽辉张莹杨均才陈锋蔡佳俊
Owner GUANGDONG YIZUMI PRECISION MACHINERY
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