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Secondary quenching treatment device and rod-shaped workpiece processing method

A treatment device and secondary quenching technology, which is applied in the direction of quenching device, heat treatment furnace, heat treatment equipment, etc., can solve the problem that the comprehensive mechanical properties of automobile anti-collision bars cannot be further improved, the heat treatment quality of automobile anti-collision bars cannot reach the best, and the impact resistance Improve the quality of product heat treatment, improve the comprehensive mechanical properties, and achieve the effect of uniform quenching

Active Publication Date: 2019-02-01
JIMEI UNIV
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Problems solved by technology

The production of high-strength automobile anti-collision bars by traditional processing methods will cause a sharp drop in impact resistance while ensuring strength, or a sharp drop in strength while ensuring impact resistance, and there are inconsistencies in strength and impact resistance. The contradiction, that is, the comprehensive mechanical properties are poor, and the quality of the produced products is low
In the prior art, there is only one heating and cooling process for processing automobile anti-collision rods by using ordinary secondary rapid cooling and quenching treatment devices. Comprehensive mechanical properties of the lance

Method used

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  • Secondary quenching treatment device and rod-shaped workpiece processing method
  • Secondary quenching treatment device and rod-shaped workpiece processing method
  • Secondary quenching treatment device and rod-shaped workpiece processing method

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

[0028] Please refer to the attached Figure 4 , attached Figure 5 , in this embodiment, a secondary rapid cooling and quenching treatment device includes a frame 1 and a primary induction heater assembly 2, a pri...

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Abstract

The invention discloses a secondary quenching treatment device and a rod-shaped workpiece processing method. The quenching treatment device comprises a primary induction heater assembly, a primary quenching assembly, a secondary induction heater assembly, a secondary quenching assembly and a transmission mechanism. In the process of processing and treating an automobile anti-collision rod, the rod-shaped workpiece can sequentially pass through the primary induction heater assembly, the primary quenching assembly, the secondary induction heater assembly and the secondary quenching assembly through the transmission mechanism, so that different heat treatments can be respectively carried out on the core layer and the surface layer of the rod-shaped workpiece section by section on the same production line to improve the comprehensive mechanical properties of the rod-shaped workpiece; and the transmission mechanism is simple in structure, convenient to assemble and efficient and stable in transmission, so that the rod-shaped workpiece can spin while advancing in the length direction of the rod-shaped workpiece and can be evenly heated and quenched while being processed and treated, andthe heat treatment quality of products can be improved.

Description

technical field [0001] The invention relates to the technical field of quenching devices, in particular to a secondary rapid cooling and quenching treatment device and a processing method for rod-shaped workpieces. Background technique [0002] Quenching is to heat the steel above the critical temperature, hold it for a certain period of time, and then cool it at a rate greater than the critical cooling rate, so as to obtain an unbalanced structure mainly composed of martensite (and also obtain bainite or maintain single-phase austenite according to needs). ) of a heat treatment process. Quenching is the most widely used process method in steel heat treatment process. The purpose of quenching is to transform supercooled austenite into martensite or bainite to obtain martensite or bainite structure, and then cooperate with different temperature Tempering to greatly improve the rigidity, hardness, wear resistance, fatigue strength and toughness of steel, so as to meet the dif...

Claims

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Application Information

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IPC IPC(8): C21D1/667C21D1/10C21D9/00
CPCC21D1/10C21D1/667C21D9/0018C21D9/0062C21D9/0075C21D2221/10Y02P10/25
Inventor 郭幼丹
Owner JIMEI UNIV
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