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Automatic glue injection die for automobile parts

A technology for auto parts and plastic injection molds, which is used in household appliances, other household appliances, applications, etc., can solve the problems of poor surface quality of injection parts, low injection production efficiency, slow heat transfer rate, etc., and achieves short injection cycle. The effect of fast mold speed and short cooling time

Inactive Publication Date: 2017-09-22
CHUZHOU KAIXUAN MOLD MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing steel materials for plastic injection molds generally have slow heat conduction rate, uneven heat transfer, poor rigidity, and poor wear resistance. They are used in injection molding production of plastic products, with long cooling time, long injection molding cycle, and low injection molding production efficiency. The surface quality of the parts is poor, easy to deform, difficult to demould, and the qualified rate of finished products is low

Method used

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  • Automatic glue injection die for automobile parts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An automatic plastic injection mold for auto parts proposed by the present invention comprises the following raw materials in weight percentage: Fe 12%, Al 18%, Zn 8%, Sn 1.8%, Cr 0.8%, Ti 2.2%, Rh 1.8%, C 0.2%, S 0.35%, refining agent 1%, the balance is Cu, and the refining agent is made of MgCl 2 18wt%, NaCl 12wt%, ZnCl 2 10wt%, Na 3 AlF 6 4wt%, Na 3 SiF 6 5wt%, 1wt% rare earth and the rest of CaF 2 composition.

[0019] Its preparation method comprises the following steps:

[0020] S1. Add the Fe, Al, Zn, Cu and refining agent in the weight percentage into the metal smelting furnace, and gradually heat and melt at a heating rate of 80°C / min under an inert gas atmosphere, and at a speed of 500r / min Stir, after it is completely melted, keep it warm for 1 hour, and remove the scum on the surface to obtain the mixed melting solution A;

[0021] S2. Keep the rotation speed in step S1 constant, continue to heat the mixed smelting solution A obtained in step S1...

Embodiment 2

[0026] An automatic plastic injection mold for auto parts proposed by the present invention comprises the following raw materials in weight percentage: 18% Fe, 25% Al, 15% Zn, 3.5% Sn, 2.5% Cr, 3.6% Ti, 3% Rh, C 0.6%, S 0.5%, refining agent 3%, the balance is Cu, and the refining agent is made of MgCl 2 25wt%, NaCl 20wt%, ZnCl 2 20wt%, Na 3 AlF 6 9wt%, Na 3 SiF 6 10wt%, rare earth 3wt% and the rest of CaF 2 composition.

[0027] Its preparation method comprises the following steps:

[0028] S1. Add the Fe, Al, Zn, Cu and refining agent in the weight percentage into the metal smelting furnace, and gradually heat and melt at a heating rate of 120°C / min under an inert gas atmosphere, and at a speed of 700r / min Stir, after it is completely melted, keep it warm for 3 hours, and remove the scum on the surface to obtain the mixed melting solution A;

[0029] S2. Keep the rotation speed in step S1 constant, continue heating the mixed smelting solution A obtained in step S...

Embodiment 3

[0034] An automatic plastic injection mold for auto parts proposed by the present invention includes the following raw materials in weight percentage: Fe 15%, Al 22, Zn 12%, Sn 2.5%, Cr 1.5%, Ti 2.8%, Rh 2.4%, C 0.4%, S 0.42%, refining agent 2%, the balance is Cu, and the refining agent is composed of MgCl 2 22wt%, NaCl 16wt%, ZnCl 2 15wt%, Na 3 AlF 6 7wt%, Na 3 SiF 6 8wt%, 2wt% rare earth and the rest of CaF 2 composition.

[0035] Its preparation method comprises the following steps:

[0036] S1. Add the Fe, Al, Zn, Cu and refining agent in the weight percentage into the metal smelting furnace, and gradually heat and melt at a heating rate of 100°C / min under an inert gas atmosphere, and at a speed of 600r / min Stir, after it is completely melted, keep it warm for 2 hours, and remove the scum on the surface to obtain mixed melting liquid A;

[0037] S2. Keep the rotation speed in step S1 constant, continue to heat the mixed smelting solution A obtained in step S1 ...

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Abstract

The invention discloses an automatic glue injection die for automobile parts. The automatic glue injection die comprises the following raw materials in percentage by weight: 12%-18% of Fe, 18%-25% of Al, 8%-15% of Zn, 1.8%-3.5% of Sn, 0.8%-2.5% of Cr, 2.2%-3.6% of Ti, 1.8%-3% of Rh, 0.2%-0.6% of C, 0.35%-0.5% of S, 1%-3% of a refining agent and the balance of Cu. According to the automatic glue injection die for automobile parts, metal raw materials with high heat conductivity and hardness are taken as the main raw materials, the heat transfer velocity and rigidity of the obtained automatic glue injection die are effectively ensured, the wear resistance and corrosion resistance of the obtained automatic glue injection die are good, the smoothness of the inner wall is high, the demoulding difficulty of plastic products is reduced, the automatic glue injection die is used for the injection molding production of plastic products, the cooling time is short, the injection molding period is short, the injection molding production efficiency is high, and the obtained injection molding parts are good in surface quality, not easy to deform, high in demoulding speed and high in the passing rate of finished products.

Description

technical field [0001] The invention relates to the technical field of moulds, in particular to an automatic glue injection mold for auto parts. Background technique [0002] Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain complex-shaped parts. Specifically, it refers to injecting the heated and melted plastic into the mold cavity under high pressure from the injection molding machine, and after cooling and solidifying, a molded product is obtained. Injection mold is an important process equipment for the production of various industrial products. With the rapid development of the plastic industry, plastic products have been widely used in aviation, aerospace, electronics, machinery, ships and automobiles and other industrial sectors. With the rapid development of the automobile industry and the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/00C22C9/01C22C30/06C22C1/06C22C1/02B29C45/26B29C33/38B29L31/30
CPCC22C9/00B29C33/3842B29C45/26B29L2031/30C22C1/02C22C1/06C22C9/01C22C30/02C22C30/04C22C30/06
Inventor 徐凯
Owner CHUZHOU KAIXUAN MOLD MFG