A turning tool with adjustable rake and relief angles

Abstract

The utility model relates to tool technical field especially is a kind of lathe tool that can adjust cutting rake angle and relief angle, including handle, blade, lathe tool head, multiple locking bolts and two taper screws, blade is installed in lathe tool head, the front end surface of handle is recessed with multiple thread holes and two taper holes, the centre line of two taper holes is perpendicular to the axis of handle, lathe tool head is provided with multiple angle adjustment holes and two screw holes, one taper screw is connected with one screw hole thread, the taper section of taper screw can be inserted into taper hole, one locking bolt is connected with one thread hole thread after penetrating one angle adjustment hole;The included angle between the centre line of two taper holes and the centre line of two screw holes is β.The lathe tool head of the application and handle can be relatively rotated and adjusted, to realize the cutting relief angle and cutting rake angle of the blade on lathe tool head adjustable, it is favorable to improve cutting working condition, expand the applicable scope of cutting processing, reduce processing risk, prolong the service life of blade.

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