Carburizing and quenching heat treatment device for gear

The invention discloses a gear carburizing and quenching heat treatment device which comprises a carburizing and quenching furnace, a composite rotating bearing piece, a heating mechanism, a first nozzle and a second nozzle. The composite rotating bearing piece is used for enabling the multiple cyli...

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Bibliographische Detailangaben
1. Verfasser:	PAN ZHIJIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention discloses a gear carburizing and quenching heat treatment device which comprises a carburizing and quenching furnace, a composite rotating bearing piece, a heating mechanism, a first nozzle and a second nozzle. The composite rotating bearing piece is used for enabling the multiple cylindrical gear blanks to rotate with the central axis of the composite rotating bearing piece as the center and meanwhile enabling the single cylindrical gear blank to rotate with the central axis of the cylindrical gear blank as the center, and the first nozzle sprays carburizing gas to the peripheral surfaces of the multiple cylindrical gear blanks; the second nozzle sprays carburizing gas on the peripheral surfaces of the cylindrical gear blanks. According to the invention, a mode that the outer sides of a plurality of cylindrical gear blanks are synchronously rotated by utilizing the composite rotating bearing piece is utilized, so that the condition that the concentration of the outer sides of the plurality of c