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Quenching Tooling for Rod Parts

A technology for parts and rods, applied in the field of quenching tooling for rod-type parts, can solve the problem of uneven cooling speed, achieve uniform cooling speed, improve quenching quality, and reduce quenching distortion.

Active Publication Date: 2016-07-06
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a quenching tool for rod parts to overcome the problem of uneven cooling speed of each part in the prior art

Method used

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  • Quenching Tooling for Rod Parts
  • Quenching Tooling for Rod Parts
  • Quenching Tooling for Rod Parts

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Experimental program
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Effect test

Embodiment Construction

[0017] The embodiment of rod parts quenching tooling of the present invention: as Figure 1 ~ Figure 3 As shown, it includes a skeleton made of U-shaped channel steel with a cross section in the up and down direction. The bottom wall 11 of the channel steel is parallelly arranged with a plurality of rows of piercing holes 2 for wearing quenched parts along the front and rear directions. The holes are arranged in turn along the left and right directions, and the centerlines of two adjacent rows of piercing holes are arranged staggered along the left and right sides. The bottom wall 11 of the channel steel is also provided with a plurality of diversion holes 3 extending in the left and right directions. There are two rows of piercing holes 2 between the diversion hole and the front and rear edges of the bottom wall, and long flow holes are arranged on the left side wall 12 and the right side wall 13 of the channel steel at the positions corresponding to the diversion holes. 4. ...

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Abstract

The invention relates to a quenching tool for rod parts, including a skeleton, a panel is arranged on the skeleton, a piercing hole is arranged on the panel for piercing the parts to be quenched, and a flow guide for the quenching medium to pass is opened on the panel holes, and the piercing holes are arranged in a dot matrix and distributed between adjacent diversion holes on the panel and / or between the diversion holes and the edge of the panel. The invention not only guarantees the number of quenched parts in a single batch to improve the heat treatment efficiency, but also can make the cooling speed of the parts in each part uniform, effectively reduce the quenching distortion of the parts, improve the quenching quality, and reduce the quality of the parts in the same furnace dispersion.

Description

technical field [0001] The invention relates to a quenching device, in particular to a quenching tool for rod parts. Background technique [0002] The surface hardness of the valve stem parts in the hydraulic mechanism is high, generally above HRC58, the surface finish is good, and the tolerance size is strictly matched. This kind of parts generally adopts the processing method of vacuum quenching, tempering and then fine grinding. The structure of the part is thin and long, and the cross-sectional diameter changes greatly, so it is easily deformed during heat treatment, which brings great difficulties to the subsequent straightening and fine grinding processes. In order to reduce the deformation of the parts during the quenching process, iron wires are mostly used to ensure that the parts can enter the oil vertically during quenching, but this method consumes a lot of manpower, the work efficiency is low, and it is difficult to ensure that when a large number of parts are h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/00C21D1/62
Inventor 李亚斐范艳艳王兆飞张全民王磊
Owner STATE GRID CORP OF CHINA