Processing device of internal keyway of tapered hole of large workpiece

Abstract

The invention discloses a processing device of an internal keyway of a tapered hole of a large workpiece. The processing device comprises a guide rod, a broach sheet, rack guide rails, a fixture body, a locating pin, a locating rod, a worktop, a feed workbench, a coupling mechanism, a worm and gear, a hydraulic cylinder, a machine tool body, a hand feed device, a broach rod, a primary motion hydraulic cylinder, a fixing device and a bearing pedestal, wherein one end of the worktop used for placing and locating the workpiece is connected with the machine tool body by a fixed hinged support, and the upper end of the hydraulic cylinder is articulated with the other end of the worktop. The processing device can process the internal keyway of the tapered hole of the large workpiece, is simple in structure, convenient to mount and high in practicability, and has the characteristics that a small mechanism can process the large workpiece and the processing precision is high; and parts and components are high in standardization degree and universalization degree.

Description

technical field [0001] The invention relates to the technical field of machining key grooves in tapered holes of large workpieces with tapered holes, in particular to a processing device for key grooves in tapered holes of large workpieces with different sizes of tapered holes of large marine propeller components. Background technique [0002] In the mechanical industry, the taper hole is widely used. In many cases, it is necessary to process the keyway in the taper hole to achieve the cooperation with the shaft diameter and play the role of power transmission. Traditional processing methods mainly include planer processing, slotting machine processing, EDM processing, etc. However, they all have the disadvantages that the workpiece is not easy to clamp, special fixtures are required, the machining accuracy is not high, and the taper cannot be adjusted steplessly; especially in the taper holes of large marine propeller components, it is almost impossible to process keyways, ...

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: Aiming at the problems and deficiencies in the above-mentioned prior art, solve the problems such as difficult positioning and difficult processing in the process of machining the internal keyway of a large workpiece with a tapered hole, and maximize the precision and accuracy of the machining of the internal keyway of the large workpiece with a tapered hole. Efficiency, the present invention discloses a processing device for key grooves in taper holes of large workpieces that can place large workpieces, use the relevant elements of the processed workpieces to locate and process any taper hole key grooves

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