Composite cutter for ear part lateral hole of steering knuckle and machining method

Abstract

The invention relates to the technical field of steering knuckle machining, and discloses a composite cutter for an ear part lateral hole of a steering knuckle. The cutter comprises a cutter handle, afirst boring cutter, a second boring cutter, a third boring cutter and a chamfering cutter, wherein the cutter handle comprises a first handle part and a second handle part, the first boring cutter is positioned on the side part of the end, far away from the first handle part, of the second handle part, and a drill bit or a tapping screw is separately arranged in the middle part of the end, far away from the first handle part, of the second handle part; the second boring cutter, the third boring cutter and the chamfering cutter are all positioned on the first handle part, the distances between the second boring cutter and an axial center of the first handle part, between the third boring cutter and the axial center of the first handle part, and between the chamfering cutter and the axialcenter of the first handle part sequentially increase, the distances between a projection of the second boring cutter on the axial center of the first handle part and the drill bit or the tapping screw, between a projection of the third boring cutter on the axial center of the first handle part and the drill bit or the tapping screw, and between a projection of the chamfering cutter on the axial center of the first handle part and the drill bit or the tapping screw sequentially increase, the first handle part is provided with three connecting grooves, each of the second boring cutter, the third boring cutter and the chamfering cutter is provided with a cutter base, and the cutter bases are separately connected with the connecting grooves. The cutter can improve the machining efficiency.

Description

technical field [0001] The invention relates to the technical field of steering knuckle processing technology, in particular to a compound tool and a processing method for a lateral hole of a steering knuckle ear. Background technique [0002] Steering Knuckle, also known as "horn", is one of the important parts in the steering axle of a car, which can make the car run stably and transmit the driving direction sensitively. The function of the steering knuckle is to transmit and bear the front load of the car, support and drive the front wheel to rotate around the kingpin to turn the car. When the car is running, it bears variable impact loads, so it is required to have high strength. [0003] The steering knuckle includes an ear part a, and the lateral hole b of the ear part a needs to be drilled during processing, such as Figure 13 As shown, the purpose of punching holes includes processing the inner wall of the side hole to smooth, machining the oil seal stop c, machinin...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a compound tool and a processing method for the lateral hole of the steering knuckle ear, aiming at solving the problem of low processing efficiency

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