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Buried liquid quenching and spraying device

A spray device and spray port technology, applied in quenching devices, heat treatment equipment, furnaces, etc., can solve problems such as large dispersion of deformation, uneven flow field, excessive deformation, etc., to ensure consistency and meet restrictions Requirements, the effect of deformation optimization

Pending Publication Date: 2019-08-23
NANJING HIGH SPEED GEAR MFG
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The current quenching and cooling device mainly uses tooling to load multiple parts in the quenching equipment for cooling. Due to the limitation of the flow field in the quenching equipment, the flow field is not uniform during cooling, and the flow rate is uncontrollable.
After the parts are quenched, the dispersion of product performance and deformation is very large, which makes the parts prone to failure in mechanics and metallurgy after quenching, and problems such as cracking and out-of-tolerance deformation may also occur.

Method used

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Embodiment Construction

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as Figure 1 to Figure 4 As shown, a buried liquid quenching spraying device 100 includes: an outer tank 10, a lifting platform 20, a lifting device 30, an inner spraying device 40, an outer spraying device 50, a first circulation device and a second circulation device.

[0027] The buried liquid quenching and spraying device 100 is used for quenching parts with inner holes, and is also called a buried liquid quenching and spraying device suitable for parts with inner holes. The buried liquid quenching and spraying device 100 can quench gears, and can be called a buried liquid quenching and spraying device suitable for gears.

[0028] The outer tank 10 is used to accommodate the quenching medium. The part 200 is placed in the outer tank 10 and immersed in the quenching medium.

[0029] The lifting platform 20 is used to carry p...

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Abstract

The invention discloses a buried liquid quenching and spraying device. The device comprises an outer groove for accommodating quenching mediums, a lifting platform for bearing parts, and a lifting device for driving the lifting platform to lift. The buried liquid quenching and spraying device suitable for parts with inner holes further comprises an inner spraying device for spraying the inner holes of the parts, an outer spraying device for spraying the outer side surfaces of the parts, a first circulating device for extracting the quenching mediums in the outer groove to spray by the inner spraying device, and a second circulating device for extracting the quenching mediums in the outer groove to spray by the outer spraying device. The buried liquid quenching and spraying device effectively guarantees the internal and external hardness of the parts, and controls the consistency of different batches of parts.

Description

technical field [0001] The invention relates to a cooling device in a quenching process, in particular to a buried liquid quenching spray device. Background technique [0002] Quenching is an important link in the heat treatment process, and almost all components requiring mechanical properties need to be quenched and cooled. [0003] The current quenching and cooling device mainly uses tooling to load multiple parts in the quenching equipment for cooling. Due to the limitation of the flow field in the quenching equipment, the flow field is not uniform during cooling, and the flow rate is uncontrollable. After the parts are quenched, the dispersion of product performance and deformation is very large, which makes the parts prone to failure in mechanics and metallurgy after quenching, and problems such as cracking and out-of-tolerance deformation may also occur. How to make the product quality stable, product performance and deformation better, this needs to ensure the cooli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/667C21D9/32C21D1/63
CPCC21D1/667C21D9/32C21D1/63
Inventor 叶小飞赵建森米艳军张文
Owner NANJING HIGH SPEED GEAR MFG
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