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Trimming and shaping die for combined type automobile parts

An auto parts, combined technology, applied in the direction of forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems affecting the overall quality of the combined auto parts, the accuracy of the combined auto parts is not up to standard, wear, fatigue, fracture , deformation and other problems, to achieve the effect of environmental protection and no pollution in the preparation process, high qualified rate of finished products, and improved anti-deformation ability

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

Combined auto parts have extremely high requirements on trimming and shaping molds, and the quality of trimming and shaping molds directly affects the assembly of combined auto parts, thus affecting the overall quality of combined auto parts
Most of the existing trimming and shaping dies have defects such as poor strength and poor wear resistance. When stamping auto parts, they are prone to wear, fatigue, friction and other loads due to huge pressure and impact, vibration and friction. Fracture, deformation and other phenomena, resulting in the processing and production of combined auto parts not up to standard, and the qualified rate of finished products is low

Method used

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  • Trimming and shaping die for combined type automobile parts

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A combined trimming and shaping mold for auto parts proposed by the present invention includes the following raw materials in weight percentage: Al1.8%, Zn 1%, Zr 1.2%, Ni 2.8%, Mn 0.3%, Sn 3%, P 0.2 %, Si 2.2%, rare earth 0.1%, additive 2.8%, and the balance is Cu, wherein the additive is Al with a mass ratio of 2:2.5:1 2 o 3 , ZrC and CrB 2 Compositions.

[0018] Its preparation method comprises the following steps:

[0019] S1. Add the Cu in the weight percentage into the metal smelting furnace, gradually heat and melt at a heating rate of 120°C / min under an inert gas atmosphere, and add the weight percentage in turn while stirring at a speed of 560r / min Al, Sn, Zn, Zr, Ni, Mn, P, Si and rare earth, after the above-mentioned raw materials are completely melted, stop heating, keep warm and continue smelting for 1 hour to obtain mixed metal liquid A;

[0020] S2. Add the additive in the weight percentage to the thermal insulation mixed metal liquid A obtained in st...

Embodiment 2

[0024] A combined trimming and shaping die for auto parts proposed by the present invention includes the following raw materials in weight percentage: Al3.2%, Zn 2%, Zr 1.8%, Ni 5.5%, Mn 0.8%, Sn 6.8%, P 0.35 %, Si 3%, rare earth 0.3%, additive 3.5%, and the balance is Cu, wherein the additive is ZrO with a mass ratio of 2.8:3:1 2 , SiC and ZrB 2 Compositions.

[0025] Its preparation method comprises the following steps:

[0026] S1. Add the Cu in the weight percentage into the metal smelting furnace, and gradually heat and melt at a heating rate of 200°C / min under an inert gas atmosphere, and add the weight percentage in turn while stirring at a speed of 720r / min Al, Sn, Zn, Zr, Ni, Mn, P, Si and rare earth, after the above-mentioned raw materials are completely melted, stop heating, keep warm and continue smelting for 3 hours to obtain mixed metal liquid A;

[0027] S2. Add the additive in the weight percentage to the thermal insulation mixed metal liquid A obtained in s...

Embodiment 3

[0031] A combined trimming and shaping mold for auto parts proposed by the present invention includes the following raw materials in weight percentage: Al2.5%, Zn 1.5%, Zr 1.5%, Ni 3.5%, Mn 0.5%, Sn 5.5%, P 0.28 %, Si 2.5%, rare earth 0.2%, additive 3.2%, and the balance is Cu, wherein the additive is SiO with a mass ratio of 2.4:2.8:1 2 , TiC and CrB 2 Compositions.

[0032] Its preparation method comprises the following steps:

[0033] S1. Add the Cu in the weight percentage into the metal smelting furnace, gradually heat and melt at a heating rate of 160°C / min under an inert gas atmosphere, and add the weight percentage in turn while stirring at a speed of 640r / min Al, Sn, Zn, Zr, Ni, Mn, P, Si and rare earth, after the above-mentioned raw materials are completely melted, stop heating, keep warm and continue smelting for 2 hours to obtain mixed metal liquid A;

[0034] S2. Add the additive in the weight percentage to the thermal insulation mixed metal liquid A obtained i...

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Abstract

The invention discloses a trimming and shaping die for combined type automobile parts. The trimming and shaping die comprises the following raw materials in percentage by weight: 1.8%-3.2% of Al, 1%-2% of Zn, 1.2%-1.8% of Zr, 2.8%-5.5% of Ni, 0.3%-0.8% of Mn, 3%-6.8% of Sn, 0.2%-0.35% of P, 2.2%-3% of Si, 0.1%-0.3% of rare earth, 2.8%-3.5% of an additive and the balance of Cu. The trimming and shaping die for combined type automobile parts provided by the invention has the benefits as follows: both the rigidity and strength are high, the wear resistance and fatigue resistance are good, and the toughness is high; besides, the formula is reasonable, the combination property of the obtained trimming and shaping die is effectively ensured by strictly controlling the raw material ratio, the production cost is controlled, the preparation method is simple, the service life of the obtained trimming and shaping die is long, the trimming and shaping die is used for the processing of combined type automobile parts, the precision is high, the passing rate of finished products is high, and the trimming and shaping die is worth to be popularized.

Description

technical field [0001] The invention relates to the technical field of trimming dies, in particular to a combined trimming and shaping die for auto parts. Background technique [0002] The trimming and shaping die is a stamping die that uses the edge of the trimming process to make it have a certain height, diameter and shape. The edge trimming mold is mainly used to trim the edge of the drawn part, so that the end surface is flat and beautiful, which is convenient for the next step of assembly. Trimming and shaping molds are widely used in machinery manufacturing, auto parts production, beverage bottle processing, fastener mold matching and other fields. With the rapid development of the automobile industry and the continuous improvement of people's living standards, the application of automobiles has become very popular. As one of the important components of a car, the quality of auto parts directly affects the overall performance of the car. Combined auto parts have ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/06C22C9/02C22C9/01C22C32/00C22C1/10C22F1/08B21D37/10B21D28/14
CPCC22C1/1036C22C9/01C22C9/02C22C9/06C22C32/0005C22F1/002C22F1/08B21D28/14B21D37/10C22C1/1047
Inventor 徐凯
Owner CHUZHOU KAIXUAN MOLD MFG
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