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Fast pressure quenching heat treatment tool

A high-pressure and fast technology, applied in quenching devices, heat treatment equipment, manufacturing tools, etc., can solve the problems of difficult application and implementation of manipulator feeding, long cooling time, slow work rhythm, etc., to achieve wide cooling distribution, improve production efficiency, consistent Sex-enhancing effects

Active Publication Date: 2017-02-22
天津天海同步科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The upper die of this kind of quenching press is driven by a cylinder, and the upper die is connected with a structure of a cavity oil cover. When the workpiece is quenched, the cooling time is longer and the working cycle is slow.
At the same time, the overall equipment occupies a large space, and it is not easy to implement the application of robot feeding.

Method used

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Embodiment Construction

[0028] It should be noted that the embodiments in the invention and the features in the embodiments can be combined with each other if there is no conflict.

[0029] In the description of the invention, it should be understood that the terms "center", "vertical", "horizontal", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention The creation and simplification of the description does not indicate or imply that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating ...

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Abstract

The invention provides a fast pressure quenching heat treatment tool which comprises a core die, a lower pressure die, an upper pressure die and an outer spraying assembly. Each of the four parts is provided with a spraying pipeline. According to the tool, the cooling distribution range is wide, and integral spraying cooling can be conducted on the upper end face, the lower end face, the inner side face and the outer side face of a workpiece at the same time with large flow. Thus, the quenching sizing of the workpiece can be rapidly completed, and the production efficiency is improved; and meanwhile, due to the action of the cooling pipelines of the core die, the upper pressure die and the lower pressure die, the temperature of the tool cannot be increased in the pressure quenching process, stability of the tool is improved, the consistency of the workpiece obtained after pressure quenching is improved as well, and the function of improving the machining quality is achieved.

Description

Technical field [0001] The invention belongs to the field of pressure quenching heat treatment, and particularly relates to a rapid pressure quenching heat treatment tool suitable for synchronizer gear sleeve workpieces. Background technique [0002] At present, in most high-precision synchronizer gear sleeve products (or "synchronizer gear sleeve workpieces", hereinafter referred to as "workpieces"), in the process design, the heat treatment process of press quenching after carburizing and air cooling is often adopted. To ensure the accuracy of gear sets. In press quenching, a rotary furnace with a protective atmosphere is generally used to heat the workpiece, and then press quenching is performed on a quenching press with quenching oil as the medium. The upper pressing die of this kind of quenching press is driven by a cylinder, and the upper pressing die has a structure with a cavity oil cover. The cooling time of the workpiece is longer and the working cycle is slow during q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/673
CPCC21D1/673
Inventor 刘继武
Owner 天津天海同步科技有限公司
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