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Continuous heat treatment machine for fine long fastener and continuous heat treatment method

A fastener and high-frequency heat treatment technology, applied in the field of heat treatment, can solve problems such as low production efficiency and troublesome workpiece transfer.

Inactive Publication Date: 2008-02-27
俞学文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Apparently, the above-mentioned existing equipment can only complete the heat treatment of slender fasteners in an intermittent manner, which is cumbersome for workpiece transfer and low in production efficiency

Method used

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  • Continuous heat treatment machine for fine long fastener and continuous heat treatment method
  • Continuous heat treatment machine for fine long fastener and continuous heat treatment method

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Experimental program
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Effect test

Embodiment 1

[0019] The continuous heat treatment machine and continuous heat treatment method for the slender fasteners of this embodiment are shown in Figure 1. The frame 15 is equipped with a straightening conveying raceway and a quenching and tempering heat treatment device. The straightening conveying raceway is divided into three sections. The first raceway includes four pairs of rollers 1, 2, 3 and 4 arranged at intervals, which are placed before the quenching heat treatment device; the second section includes two pairs of rollers 7 and 8, which are placed in the quenching, Between the tempering heat treatment devices; the third raceway includes four pairs of rollers 11, 12, 13, and 14, which are arranged after the tempering heat treatment devices. The quenching heat treatment device is composed of WGH-VI-80 high-frequency induction heater 5 and water spray head 6, and the tempering heat treatment device is composed of WGH-VI-50 high-frequency induction heater 9 and water spray head ...

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Abstract

The invention relates to a slimness fastening heat treatment facility and method. It belongs to heat treatment technique field. It is made up of aligning transporting race and quench, backfire high frequency heat treatment equipment. The aligning transporting race is made up of driving mechanism, axle seat, and dumb-bell shape roller. Its each segment set at least two pairs of interval roller. Each pair is set up and down. The axle is form X cross. At least one the roller is connected to the supporting axle on the axle seat. The driving input end of the supporting axle is connected to the driving mechanism. The inscribed column axle center of the up-down roller and the induction coil center of the heat treatment equipment are coaxial. The first, second, third race connect the quench and backfire in one line to realize continuance. This can greatly improve production efficiency, rectify slimness fastening bend to insure production quality.

Description

technical field [0001] The invention relates to heat treatment equipment for elongated fasteners, and at the same time, the invention also relates to a continuous heat treatment process realized by means of the equipment, which belongs to the technical field of heat treatment. Background technique [0002] In order to make the product have the required mechanical properties, the fasteners are usually quenched and tempered after machining, so that they have a certain hardness and toughness. [0003] However, it is nerve-wracking that long, slender fasteners such as screws cannot avoid bending deformation after heat treatment. In order to reduce this deformation, the existing slender fasteners usually adopt a heat treatment process of vertically hanging them into a well-type furnace, and after quenching and tempering, they are straightened by means of straightening machines and the like. [0004] Apparently, the above-mentioned existing equipment can only complete the heat tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/56
Inventor 俞学文
Owner 俞学文
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