Device for online polishing of automobile transmission gear

Abstract

The invention relates to the technical field of gear processing, in particular to a device for online polishing of an automobile transmission gear. The device comprises a base, a vertical plate and the gear, wherein the vertical plate is arranged on a side surface of the base; a transverse rod is arranged in the middle of the vertical plate, is parallel to the base, and is sleeved with a polishing wheel; a rotating shaft is arranged on the base, and is sleeved with the gear; a transverse rod sleeve is arranged at the top end of the rotating shaft; and the top of the polishing wheel is sleeved with the transverse rod sleeve. According to the device provided by the invention, the polishing wheel is arranged at the upper end of the gear, and polishing treatment is performed through friction between the polishing wheel and a disc surface of the gear, so as to achieve automatic surface roughness treatment, improve the treatment efficiency and increase the treatment effect; and the device has the characteristics of convenience in use, simplicity in operation, simple structure, high practicability and the like.

Description

technical field [0001] The invention relates to the technical field of gear processing, in particular to an on-line polishing device for automobile transmission gears. Background technique [0002] Generally, gears with variable speed are collectively referred to as transmission gears. The commonly used material for transmission gears is forged steel. Transmission gears often work under conditions of high speed, high load, and constant alternation of speed and load. The speed change gears rely on their own structural dimensions. And the strength of the material to bear the external load, which requires the material to have high strength, toughness and wear resistance. Due to the complex shape of the transmission gear, high gear precision requirements, and good material method, the current manufacturing method of automobile transmission gears has the following technical problems: [0003] 1. The existing manufacturing methods of automobile gearbox gears are simple, the quali...

AI Technical Summary

Problems solved by technology

[0003] 1. The existing manufacturing methods of automobile gearbox gears are simple, the quality of the produced products is average, and the general service life is not long;

[0004] 2. At present, most automotive gearbox gear blanks are turned by ordinary lathes, and all turning processes cannot be completed in one clamping, and it is difficult to ensure the coaxiality of the inner hole and the side surface, as well as the verticality of the end surface and the hole axis;

[0005] 3. Most of the existing gears of automobile transmission gears are hobbed by ordinary hobbing machines, the machining accuracy is low, and the surface roughness does not meet the requirements;

[0006] 4. Most of the existing automobile gearbox gears use the solid carburizing method, which is low in cost, but takes too long, and the thickness of the carburized layer is relatively thin;

[0007] 5. Most of the existing automobile transmission gears only use the heat treatment method of quenching, the effect is average, and the gear life is not long

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