Tooth-by-tooth heating device for herringbone gear and heating method thereof
A heating device and a herringbone technology, applied in the field of heat treatment, can solve problems such as increased cost, complex profiling coil manufacturing process, and uneven surface quenching hardness of gears, so as to improve service life, reduce soft and hard points, and avoid The effect of tooth profile temperature difference
Active Publication Date: 2021-08-10
AKITA GEAR CO LTD MACHINERY EQUIP BRANCH
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Problems solved by technology
In the existing technology, when the herringbone gear is induction heated, the magnetic field generated by the traditional circular induction coil cannot uniformly heat the herringbone gear, which will cause the hardness of the surface of the gear to be uneven, while the herringbone The manufacturing process of the profiling coil of the gear is complicated, which will greatly increase the cost
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[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention as claimed, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.
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The invention relates to a tooth-by-tooth heating device for a herringbone gear. The tooth-by-tooth heating device comprises a heating device body, a rotating platform device, an induction device, a driving device, a working platform, a power supply, a motor, a driving sleeve and a plurality of infrared temperature measurement cameras, wherein the heating device comprises a tooth-shaped induction coil and an induction coil bracket; the induction coil bracket is connected with the driving sleeve, an insulating spacer and the tooth-shaped induction coil; the herringbone gear is fixed and rotated by the rotating device platform; the driving device drives the driving sleeve to move in a herringbone manner, so that the tooth-shaped induction coil is heated in a tooth root; the induction device induces light signals; the motor is controlled through a detection circuit to enable the herringbone gear to rotate; and the power supply and the motor are fixed to the working platform. The invention further provides a heating method applying the heating device. The problem that the tooth root of the herringbone gear cannot be heated is effectively solved, the hardness of the tooth root and the tooth surface is improved, and the service life of the herringbone gear is prolonged.
Description
technical field [0001] The invention belongs to the technical field of heat treatment, and in particular relates to a device and a heating method for tooth-by-tooth heating of a herringbone gear. Background technique [0002] Electromagnetic induction hardening is one of the most important heat treatment processes nowadays. Its principle is that induction current quenches the tooth root and surface of each workpiece. After heating and cooling, the martensitic structure will obtain higher hardness. The internal structure still has good toughness, plasticity and high strength. The induction heating technology has the characteristics of fast, clean, energy-saving, easy to realize automation and online production, and high production efficiency. High power density, can work in various environments, has low loss, does not produce any physical pollution, and is also one of the green and environmentally friendly heating processes. With the development of industry, the requirements...
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IPC IPC(8): C21D9/32C21D1/10C21D1/62C21D11/00
CPCC21D9/32C21D1/10C21D1/62C21D11/00Y02P10/25
Inventor 李大龙孙相宇
Owner AKITA GEAR CO LTD MACHINERY EQUIP BRANCH