Heat treatment device for torsion bar of car transmission system

A heat treatment device and transmission system technology, applied in heat treatment furnaces, heat treatment equipment, process efficiency improvement, etc., can solve the problems such as unsatisfactory rotating heating effect of torsion bar workpieces, unfavorable uniform heating of torsion bar workpieces, and belt asynchrony, etc. To achieve the effect of reducing asynchronous phenomena, facilitating uniform heating, and uniform heating

Active Publication Date: 2014-01-01
GREEN PRECISION SUZHOU CO LTD
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Problems solved by technology

However, the belt pulley of this transmission mechanism has three stages in total, which easily causes the belt to be out of sync in the process of transmitting and rotating the torsion bar, increases energy consumption, and causes the rotating heating effect of the torsion bar workpiece to be unsatisfactory. In addition, the The heat treatment induction coil in the patent is located outside the torsion bar workpiece, which is not conducive to the uniform heating of the torsion bar workpiece

Method used

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  • Heat treatment device for torsion bar of car transmission system
  • Heat treatment device for torsion bar of car transmission system

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Embodiment Construction

[0013] figure 1 It is the front view of the torsion bar heat treatment device of the automobile transmission system provided by the present invention, including a high-frequency heat treatment machine 3, a motor 4, and a transmission mechanism 5, figure 2 for figure 1 The sectional view of the transmission mechanism along line A-A includes the transmission wheel 7 , the first idler roller 51 , the second idler roller 52 , the belt 8 and the belt 9 . Such as figure 1 and figure 2 As shown, the motor 4 is connected to one end of the transmission wheel 7, and the transmission wheel 7 is respectively connected to the first idler roller 51 and the second idler roller 52 through the belts 8 and 9; the first idler roller 51 and the second idler roller 52 are located in the transmission The top of the wheels 7 is arranged in parallel, which is convenient for shelving the torsion bar workpiece 1; the high-frequency heat treatment machine 3 is provided with a heat treatment inducti...

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Abstract

The invention discloses a heat treatment device for a torsion bar of a car transmission system. The device comprises a high-frequency heat treatment device, a motor and a transmission mechanism, wherein the transmission mechanism comprises a transmission wheel, a first carrier roller, a second carrier roller and belts; the motor is connected with the transmission wheel; the transmission wheel is connected to the first carrier roller and the second carrier roller respectively by the two belts; the first carrier roller and the second carrier roller are arranged above the transmission wheel and are arrayed in parallel so that a torsion bar workpiece can be conveniently placed and rotated; the motor is connected with a speed reducer so as to guarantee that the speed of the transmission mechanism is not too high and a spline part of the torsion bar workpiece is heated uniformly; the axis of a heat treatment induction coil of the high-frequency heat treatment device is parallel to the axes of the first carrier roller and the second carrier roller so that the spline part of the torsion bar workpiece can be conveniently stretched into the heat treatment induction coil to be heated uniformly and the quality of the torsion bar is improved.

Description

technical field [0001] The invention belongs to the manufacturing field of torsion bars of automobile transmission systems, and in particular relates to a heat treatment device for torsion bars of automobile transmission systems. Background technique [0002] The torsion bar of the automobile transmission system cooperates with other components to transmit torque through the spline part. Therefore, the torsion bar has high requirements on the surface hardenability and internal toughness of the spline part, and high-frequency heat treatment is required for it. In the past, when heat treating the spline part of the torsion bar, the workpiece of the torsion bar was manually rotated to heat it. However, manual operation will cause severe eccentricity of the hardened layer at the heated part of the torsion bar due to uneven force, and cracking is prone to occur. [0003] Patent specification CN202786353U discloses such a torsion bar heat treatment tool, which uses an electric tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00C21D1/10
CPCY02P10/25
Inventor 董钢涛张黎明
Owner GREEN PRECISION SUZHOU CO LTD
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