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Heat treatment machining device for hot work die steel

A technology of hot work die steel and processing equipment, which is applied in heat treatment furnaces, heat treatment equipment, manufacturing tools, etc., and can solve problems such as cracking of hot work die steel

Pending Publication Date: 2021-12-14
广州市玛澳新材料技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a heat treatment processing device for hot work die steel to solve the problem of cracking of hot work die steel in the prior art after being processed by the heat treatment processing device

Method used

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  • Heat treatment machining device for hot work die steel
  • Heat treatment machining device for hot work die steel
  • Heat treatment machining device for hot work die steel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] 1) Fix the hot work die steel between a pair of lifting plates 30, the thimble 32 can touch the hot work die steel (one of the lifting plates 30 and the hot work die steel are in clearance fit), open the compartment door 9, and start The platform rotation driving part 6 drives the rotating platform 5 so that the hot work die steel is located in the heat treatment chamber 2, and the isolation door 9 is closed to block the heat treatment chamber 2 and the cooling chamber 3;

[0086] 2) Start the preheating unit 8 to heat the hot work die steel aggressively, heat it to 680°C at a heating rate of 80°C / h and keep it for 10 hours, heat it to 850°C at a heating rate of 60°C / h and hold it for 10 hours, and then heat it at 50°C Heat up to 1030°C at a heating rate of / h and hold for 10h;

[0087] 3) Open the sealing door 9, start the platform rotation drive part 6 to drive the rotating platform 5 so that the hot work die steel is located in the cooling chamber 3, close the sealin...

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Abstract

The invention discloses a heat treatment machining device for hot work die steel. The heat treatment machining device comprises a shell, a packing door, a rotating platform, a platform rotation driving part, at least one fixing assembly, an overturning assembly and a clamping and rotating assembly, wherein a cavity is formed in the shell; the rotating platform is arranged in the cavity; the packing door is located above the rotating platform, one part of the packing door is arranged in the cavity, the rest part of the packing door extends out of the shell, and the packing door can divide the cavity into a heat treatment cavity and a cooling cavity and can reciprocate in the cavity; the platform rotation driving part is connected with the rotating platform through a rotating connecting part, so as to drive the rotating platform to rotate; the fixing assemblies are arranged on the rotating platform, so that the hot work die steel can be installed; the overturning assembly is arranged on the packing door and extends into the cooling cavity; and the clamping and rotating assembly is arranged on the shell. According to the device, the problem that in the prior art, die steel cracks after being treated by a heat treatment machining device is solved.

Description

technical field [0001] The invention relates to post-treatment of hot work die steel, in particular to a heat treatment processing device for hot work die steel. Background technique [0002] The main feature of the working conditions of the hot work die is that it is in contact with the hot metal, which is the main difference from the working conditions of the cold work die. Hot working dies include hammer forging dies, hot extrusion dies and die-casting dies. Hot work die steel is the raw material for making hot work dies. It has appropriate hardness requirements, focusing on red hardness, thermal conductivity and wear resistance. [0003] In order to improve the mechanical properties such as hardness and toughness of hot work die steel, it is necessary to carry out heat treatment on hot work die steel. The heat treatment process of hot work die steel plays a decisive role in its structure and performance. The purpose of heat treatment is to change the structure of steel...

Claims

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Application Information

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IPC IPC(8): C21D9/00
CPCC21D9/0062C21D9/0018C21D9/0025
Inventor 李雪云
Owner 广州市玛澳新材料技术有限公司
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