Tool used for processing lug holes of universal joint forks
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The utility model discloses a tool used for processing lug holes of universal joint forks, comprising a base with a mounting hole, an upright board which is vertically arranged on the base, a guide bar which is horizontally and slidingly arranged on the upright board and a front push plate and a back push plate which are arranged at two ends of the guide bar. A positioning disk is detachably arranged at the front side of the upright board and a power mechanism which is in transmission connection with the back push plate is arranged at the back side of the upright board. A pushing mechanism which relatively fits with the positioning disk is arranged at the front push plate. The tool disclosed by the utility model has a reasonable design and a simple structure; after being installed at numerical control milling machines, the tool can accelerate cutter movement in stroke of no processing of the cutter by adopting a variable-speed motor and save time by adopting the tool with dual working stations to get rid of non-cutting time. As machining cuttings are adopted as numerical control milling cutters, cutters are changed at regular intervals instead of being sharpened. As a high-pressure cylinder is adopted as the power mechanism to clamp, the labor intensity of workers is lowered. As two cutters are arranged at one cutter bar and semi-fine-boring and fine boring are finished at the same time at one feeding, the processing time is greatly saved.