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Vacuum quenching furnace based on water conduction

A vacuum quenching furnace and water conduction technology, applied in the field of workpiece quenching, can solve problems such as safety accidents

Pending Publication Date: 2021-04-30
YANGZHOU POLYTECHNIC COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the current quenching furnaces adopt the structure of directly heating the quenching oil, which may easily lead to safety accidents

Method used

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  • Vacuum quenching furnace based on water conduction
  • Vacuum quenching furnace based on water conduction
  • Vacuum quenching furnace based on water conduction

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] Please refer to the attached Figure 1-11 , the present invention provides a vacuum quenching furnace based on water conduction, including: a housing 1, a first lifting mechanism, a second lifting mechanism and an external circulating oil tank 2, wherein a heating chamber and a quenching chamber are arranged inside the housing. chamber, the top of the heating chamber is provided with a heating chamber 3, the first lifting mechanism is located below the ...

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Abstract

The invention discloses a vacuum quenching furnace based on water conduction. The vacuum quenching furnace comprises a shell, a first lifting mechanism, a second lifting mechanism and an external circulating oil tank. A heating cavity and a quenching cavity are formed in the shell, a heating chamber is formed in the top of the heating cavity, and the first lifting mechanism is located below the heating chamber. A quenching tank is arranged at the bottom of the quenching cavity, and the second lifting mechanism is positioned on one side of the quenching tank. The external circulating oil tank is arranged on the outer side of the shell and communicates with the quenching tank through an oil pumping pipe and an oil return pipe. By means of the external circulating oil tank, quenching oil is not directly heated, heat is conducted to oil in an inner tank by heating water in an outer tank, and the safety problem caused by direct heating of the quenching oil is avoided.

Description

technical field [0001] The invention belongs to the technical field of workpiece quenching, and more specifically relates to a vacuum quenching furnace based on water conduction. Background technique [0002] Some workpieces in mechanical equipment need to bear large dynamic loads. In addition to tension, shear, torque and other forces, the surface of the workpiece will also generate friction, so there are certain requirements for its wear resistance and hardness. , It is often necessary to heat treat the workpiece before machining to change its structure and properties. Quenching is a common heat treatment process. The workpiece is preheated to a suitable temperature, and then quickly cooled after heat preservation to obtain martensite and other structures, thereby improving the hardness, strength and wear resistance of the workpiece. Most of the current quenching furnaces adopt the structure of directly heating the quenching oil, which is easy to cause safety accidents. ...

Claims

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Application Information

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IPC IPC(8): C21D1/64C21D1/773C21D9/00
CPCC21D1/64C21D1/773C21D9/00
Inventor 张翔孙庆东池寅生孙健赵倩孔纪兰欧亚明汤志君徐梦莹沈陈雨董洪康沈伟
Owner YANGZHOU POLYTECHNIC COLLEGE
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