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Cooling structure of inducing heat of quenching machine

An induction heater and quenching machine tool technology, which is applied in the field of quenching machine tools, can solve the problems of heating on the surface of the magnetizer, unstable performance of the material of the magnetizer, cracking and falling off, etc.

Inactive Publication Date: 2008-12-10
CHANGAN AUTOMOBILE (GRP) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the high frequency is continuously heated and quenched for a long time without stopping (such as partial quenching of a large ring track surface), the surface temperature of the magnetic conductor attached to the heating coil will increase significantly due to the influence of radiation heat generated by the heated area of ​​the workpiece. High, the performance of the magnetizer material will be unstable, and the surface of the magnetizer will heat up, smoke, or even crack and fall off, making it impossible to continue normal high-frequency continuous heating and quenching

Method used

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  • Cooling structure of inducing heat of quenching machine
  • Cooling structure of inducing heat of quenching machine

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Embodiment Construction

[0010] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0011] exist figure 1 Among them, the heating coil 1 of the induction heater 8 is covered with a magnetizer 2, and the quenching medium injector 4 is installed behind the induction heater 8, and a branch is branched out in the main pipeline 7 connected to the quenching medium injector 4, It is the quenching medium pouring pipe 3, and the nozzle of the quenching medium pouring pipe 3 is arranged above the heating coil 1 of the induction heater, so that the quenching medium continuously showers the magnetic conductor 2 attached to the heating coil 1, and the quenching medium pours A flow regulating valve 6 is also installed on the shower pipe 3 for controlling the flow rate of the quenching medium.

[0012] exist figure 2 In the sectional view shown, it can be seen that the magnetic conductor is cooled and works: when the large-scale ring-like parts 5 rotate...

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Abstract

The cooling structure of inducing heater of quenching machine includes one inducing heater and one quenching medium jet. The inducing heater has heating coil with magnetic conductor, and the main pipeline connected to the quenching medium jet has one connected branch as quenching medium spraying pipe with nozzle set over the magnetic conductor. While the quenching medium is jetted to cool the workpiece, it is also used to cool the magnetic conductor to lower its temperature, prevent it from deforming and falling off and maintain stable performance.

Description

technical field [0001] The invention relates to the quenching machine tool technology, in particular to the induction heater cooling technology on the high frequency / intermediate frequency quenching machine tool. Background technique [0002] The induction heater of the quenching machine tool is composed of four parts: a heating coil, a magnetic conductor attached to the heating coil, a manifold (pipe), a connecting plate (pipe) and a cooling water pipe. The induction heating coil is connected to the output transformer on the high-frequency equipment through the connecting plate (tube), and the current is transmitted to the heating coil through the manifold (tube). Outflow, this way of cooling through the coil cooling water and then taking away the heat of the magnetizer is called indirect cooling. If the size of the high-frequency quenching parts is small, the area to be heated and quenched is small, the heating time is not long, and the surface temperature of the magnetic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/667C21D1/10
CPCY02P10/25
Inventor 付在再谢贵林
Owner CHANGAN AUTOMOBILE (GRP) CO LTD