Inner bore laser quenching head and quenching method

A technology of laser quenching and quenching head, applied in the field of laser quenching, can solve the problems of high production cost of full quenching, the inability to realize laser quenching process for small-diameter inner hole walls, etc., and achieve the effects of saving energy, improving hardness and improving wear resistance.

Active Publication Date: 2015-01-21
SHENYANG POLYTECHNIC UNIV
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Problems solved by technology

[0005] Purpose of the invention: The present invention provides an inner hole laser quenching head and a quenching method, the purpose of which is to solve the problem that the laser quenching process cannot be realized on the small diameter inner hole wall in the past and the problem of high production cost of full quenching of the entire part

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  • Inner bore laser quenching head and quenching method

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[0026] detailed description: Below in conjunction with accompanying drawing, the present invention will be further described:

[0027] Such as figure 1 As shown, the present invention relates to an inner hole laser quenching head, which includes a laser quenching head housing 5, a collimating lens 2, a first full reflection lens 3, a total reflection focusing lens 4 and a second full reflection lens 6; The collimating lens 2, the first total reflection lens 3 and the total reflection focusing lens 4 are all arranged in the laser quenching head housing 5, and the collimating lens 2 is arranged at the entrance of the laser beam 1 at the upper end of the laser quenching head housing 5, and the first The total reflection lens 3 is a conical lens, which is arranged on the lower end of the collimator lens 2, and the top angle faces the center position of the laser beam 1 of the collimator lens 2; the total reflection lens 4 is arranged on the side of the first total reflection le...

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Abstract

The invention provides an inner bore laser quenching head and a quenching method. After passing through a collimation lens, a laser beam passes through a full-reflection lens and a full-reflection focusing lens to form a ring-shaped laser beam; the ring-shaped laser beam enters into an inner bore part to be quenched; and through a second full-reflection lens in the inner bore part, the ring-shaped laser beam is irradiated on the inner wall of the inner bore part so as to achieve the aim of simultaneously carrying out laser quenching on the circumference of the inner wall of the inner bore part. Inner bore movement equipment 7 is consistent with an outer laser quenching head in the aspect of movement.

Description

technical field [0001] The invention relates to the field of laser quenching, in particular to an inner hole laser quenching head and a quenching method thereof. Background technique [0002] Laser quenching technology uses a high-energy laser heat source to instantly heat the surface of the material above the phase transition temperature point. As the material cools below the phase transition temperature point, the austenite structure transforms into a martensite structure, thereby hardening the material surface. a method of [0003] The use of laser quenching technology has a short process cycle, small workpiece deformation, clean working environment, and no further machining is required after treatment. It is especially suitable for surface treatment of parts with high precision requirements. It is a green and environmentally friendly quenching process. [0004] At present, due to the limitation of the size of the laser head, it is impossible to achieve laser quenching o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/09C21D1/62C21D9/00
CPCC21D1/09C21D1/62C21D9/00
Inventor 徐国建李春光钟立明祝影田希玉
Owner SHENYANG POLYTECHNIC UNIV
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