Machining clamp for cam bearing cover of automobile engine

Abstract

The invention provides a machining clamp for a cam bearing cover of an automobile engine. The machining clamp comprises a groove-shaped clamping body, wherein left and right ends of the clamping body are respectively arranged on shaft seats; a gear disc rotating and positioning device is arranged on the left shaft seat; a clamp of the cam bearing cover of the automobile engine is arranged on the clamping body, and is provided with a flatted base; and an upper clamping device, a lower clamping device, a front clamping device and a rear clamping device of the cam bearing cover of the automobile engine are arranged on the base. In the invention, the clamping body is connected with the gear disc rotating and positioning device, the clamping body can rotate, and when faces in different directions, of a blank of the cam bearing cover of the automobile engine, are machined by a machining center after the blank is clamped on the machining clamp, the faces in different directions can be accurately turned to the upper face for machining by using the gear disc rotating and positioning device, without clamping the cam bearing cover of the automobile engine for many times; and therefore, the machining clamp has high machining efficiency, and is not easy to damage the blank of the cam bearing cover of the automobile engine.

Description

technical field [0001] The invention relates to a fixture used for machining mechanical parts, in particular to a fixture used for cutting the cam bearing cover of an automobile engine using VVT technology. Background technique [0002] The cam bearing cover of the automobile engine adopting VVT technology is a rectangular parallelepiped with irregular shape, and some surfaces of the rectangular parallelepiped have bosses. The bottom of the cam bearing cover has a flat surface that fits the cylinder block. Between the upper and lower sides of the cam bearing cover are oil inlet holes, oil outlet holes, threaded holes for connecting with the engine cylinder head, and solenoid valves in VVT components. The matching solenoid valve installation hole has an oil outlet hole leading to the bearing in the oil inlet hole, and an oil passage leading to the oil inlet and outlet holes in the solenoid valve installation hole. There is a semicircular concave surface with two oil grooves ...

AI Technical Summary

Problems solved by technology

In the prior art, there is no machining jig for the cam bearing cap of the automobile engine. Due to the irregular shape of the blank of the cam bearing cap of the automobile engine, there are many surfaces to be processed, and the processing technology is relatively complicated. The blank of the cam bearing cover of the automobile engine is clamped on the workbench of the equipment once, so that the surface to be processed faces the cutting tool, especially when the cam bearing cover is processed by a machining center, although the cutting efficiency is high, there is no special fixture, not only The processing efficiency cannot be improved, and the blank parts of the automobile engine cam bearing caps are easily damaged by multiple clamping of the blank parts of the automobile engine cam bearing caps.

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