Bainite quick air-cooled isothermal quenching furnace

Abstract

The invention discloses a bainite quick air-cooled isothermal quenching furnace, and relates to a quick cooling device of a bainite isothermal quenching device. The bainite quick air-cooled isothermal quenching furnace comprises an isothermal quenching chamber, a heating device, a lifting device and a conveying device; the heating device and the lifting device are mounted on one side of the isothermal quenching chamber; the conveying device penetrates through the whole heating device and the isothermal quenching chamber; and the lifting device feeds a part to be machined entering the isothermal quenching chamber into an isothermal quenching groove in the lower part of the isothermal quenching chamber. The bainite quick air-cooled isothermal quenching furnace further comprises a quick air cooling device and a cold air output device; and the cold air output device is inserted in the isothermal quenching groove, and is connected with an output end of the quick air cooling device through a pipeline. The bainite quick air-cooled isothermal quenching furnace has such characteristics as novel structure, simple machining, convenience for use, high production efficiency, reduction of manufacturing and production costs and convenience for transformation of traditional equipment, and integrates economy and practicability as a whole.

Description

technical field [0001] The bainite rapid air-cooled isothermal quenching furnace of the present invention relates to a rapid cooling device for a bainite isothermal quenching device. Background technique [0002] With the gradual improvement of the quality requirements of high-precision general-purpose parts in the machinery industry, the austempering process in which the body structure of parts is bainite has been widely used. Among them, the cooling rate during austempering and the uniformity of the salt temperature of the salt solution play a decisive role in the final effect of the austempering of the parts. In the past, the equipment used to solve this problem is as follows: firstly, when manufacturing the isothermal tank, increase the volume of the industrial salt, for example: for an isothermal tank with a loading capacity of 1000kg / time, the volume of the tank is 22m 3 , the electric heating power of molten salt in the isothermal tank is 240KW, and the time for one ...

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Problems solved by technology

Its result is: 1, the material input is big when isothermal tank is made, has increased manufacturing cost; 2, the raw material (nitrate) that drops into isothermal quenching is put into quantity high, has improved production cost; During continuous use, the power consumption required to maintain the constant temperature of the salt solution increases accordingly; 4. With continuous use, the salt temperature remains high, so the only way to reduce the salt temperature or reduce the loading capacity is to increase a large amount of water quality. Due to the excessive addition of water quality, It can directly affect the quenching structure of the workpiece by several times, especially in summer, the defects are very obvious

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