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我们研制了一种铲齿胎具,它可以在普通C620车床上成功地铲削各种滚刀和盘形铣刀的刀背后角,不需要时,把胎具折掉,可恢复原来的车削。一、胎具结构及工作原理(图1)由齿轮1驱动挂轮分度机2,由凸轮3输出,传至滚轮架4,它固定在车床中拖板上。由于凸轮与轮架上滚轮作相对滚动及弹簧5的作用,使中拖板按凸轮曲率往复运动,铲齿刀9也就有铲削和退刀动作。齿轮1与分度机齿轮按一定速比转动,从而使铲刀按工件的齿数(如滚刀)作铲削动作。
We have developed a tooth scraper, which can be successfully in the ordinary C620 lathe cutting all kinds of hobs and disc cutter knife behind the corner, when not required, the tire off, can be restored to the original turning . First, the structure and working principle of the tire (Figure 1) The gear 1 driven by the gear wheel indexing machine 2, the output from the cam 3, passed to the roller frame 4, which is fixed in the lathe in the carriage. As the relative rotation of the cam and the wheel on the wheel frame and the action of the spring 5 causes the middle carriage to reciprocate according to the cam curvature, the cutter blade 9 also has the functions of cutting and retracting. The gear 1 and the indexer gear rotate at a certain gear ratio, so that the blade shovels according to the number of teeth (such as a hob) of the workpiece.