A carburized thin-walled ring gear combined pressure quenching tooling

Abstract

The invention discloses a carburized thin-walled ring gear combined press quenching tool. The carburized thin-walled ring gear combined press quenching tool comprises a bottom mold; a core mold is arranged at the upper end of the bottom mold; the core mold comprises a mandrel and a sliding block; when the mandrel moves in the axial direction of the mandrel, the sliding block moves in the radial direction of the mandrel; one end of the sliding block is provided with sliding block teeth, and the other end of the sliding block is connected with the mandrel; the bottom mold is provided with a plurality of holding blocks; an inner pressing ring and an outer pressing ring which are coaxial with the core mold are arranged on the upper portion of the bottom mold; the inner pressing ring is used for pressing the end face of a to-be-quenched ring gear; the outer pressing ring is matched with the holding blocks; when the outer pressing ring moves in the axial direction of the core mold, the holding blocks move in the radial direction of the core mold for pressing an outer circle of the to-be-quenched ring gear; the end face of the outer pressing ring is provided with a push rod for pressing the core mold; and when the inner pressing ring and the outer pressing ring are pressed against the bottom mold, the sliding block and the holding blocks move in the axis direction of the mandrel. Thecarburized thin-walled ring gear combined press quenching tool is provided, and the press quenching tool has an excellent shape righting effect on the carburized thin-walled ring gear.

Description

technical field [0001] The invention belongs to the field of heat treatment auxiliary tools, in particular to a carburized thin-wall ring gear combined pressure quenching tool. Background technique [0002] Due to its compact structure, strong bearing capacity and low bearing load, the planetary transmission mechanism is widely used in construction machinery and other industries. The ring gear is the core part of the planetary transmission mechanism, and its working conditions require the ring gear to have high core toughness and surface wear resistance. Therefore, in the manufacturing process, carburizing and quenching methods are usually used to obtain surface and surface wear resistance. different performance requirements. For the precision and compact planetary transmission mechanism with high power density, because the ring gear has a large radial direction and a relatively thin wall, large deformation will inevitably occur during the carburizing and quenching process,...

AI Technical Summary

Problems solved by technology

For thin-walled carburized ring gears with a diameter > φ300mm, the correction effect of the pie-shaped mandrel and the loose-type mandrel press-quenching tooling cannot meet the subsequent machining requirements

Images