High-frequency quenching tool for gusset plates of gear shifting connecting rod of automobile transmission and working method thereof

Abstract

The invention provides a high-frequency quenching tool for gusset plates of a gear shifting connecting rod of an automobile transmission. The high-frequency quenching tool for the gussets plate of the gear shifting connecting rod of the automobile transmission is characterized by comprising a gusset plate clamp and a high-frequency quenching sensor; the gusset plate clamp is provided with a supporting plane, the middle of the supporting plane is provided with an arc-shaped groove which is recessed downwards, the supporting plane is provided with a pair of protrusion blocks which are inserted into insertion grooves of gusset plates, the two gusset plates are fixed onto the supporting plate, the arc-shaped working surfaces of the gusset plates face inwards and are symmetrically arranged inside the arc-shaped groove; the high-frequency quenching sensor is fixed onto a high-frequency quenching device, can move vertically along with the device and comprises a water injection pipe at the upper end, the water injection pipe and a spraying box at the lower end are communicated, the spraying box is of an ellipse shape or of a flat shape, the distance of the two side surfaces of the spraying box is slightly smaller than the distance between the arc-shaped working surfaces of the two gusset plates, the two side surfaces of the spraying box correspond with the two working surfaces of the two gusset plates respectively, and a high-frequency quenching magnetizer with a shape similar to the spraying box is arranged above the spraying box.

Description

technical field [0001] The invention relates to a high-frequency quenching tooling for automobile gearbox parts, specifically, a high-frequency quenching tooling for shifting connecting rod gussets of an automobile gearbox and its working method, which belongs to the tooling and fixture technology for the production of auto parts field. Background technique [0002] Gussets are automotive transmission parts. see figure 1 , 2 , when the shift shaft 4 rotates, it drives the connecting rod 2 to move back and forth on the gusset plate 1, and the connecting rod 2 is equivalent to the movable key, so that the locking lever 3 and the locking disc can achieve the locking function, and the locking disc is not shown in the figure Express it. The direct working surface of the gusset plate is the curved surface used to support the connecting rod 2. The hardness, wear resistance, fatigue strength and toughness of the curved surface have high requirements, so it needs to be fixed duri...

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is: in the high-frequency quenching of the gusset plate of the shift connecting rod of the existing automobile gearbox, one station can only perform high-frequency quenching on one gusset plate, and the speed of high-frequency quenching is relatively slow. The efficiency is low; when spraying water for cooling, it is impossible to spray water to cool down immediately after high-temperature heating, and the distance between the water pipe and the workpiece is long, the contact between the water flow and the arc surface of the workpiece is not sufficient, and the contact is not timely enough, which leads to quenching not effectively

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