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现在介绍几种攻螺纹和旋紧双头螺栓的夹具,使用这些夹具来代替手工操作,可以提高工作效率,减轻劳动强度。在钻床上攻螺帽的夹具图1是在钻床上攻制螺帽的螺纹时所用的一种夹具。套筒1旋紧在夹具的尾柄上。将螺丝攻插在套筒2的孔中,一同装入夹具体内。螺丝攻尾部的方头插入套筒1的方孔,钻床主轴的旋转运动,由套筒1传给螺丝攻。当夹具体和尾柄旋紧时,套筒1和套筒2间的弹簧3被压紧,将套筒2向下顶紧,弹簧
Now introduce several kinds of tapping and tightening studs fixture, the use of these fixtures instead of manual operation, can improve work efficiency and reduce labor intensity. Fixture for tapping a nut on a drill press Figure 1 shows a fixture for tapping a nut on a drill press. Sleeve 1 screwed on the tailstock handle. The screwdriver inserted in the sleeve hole 2, together with the fixture body. The square head of the screw tap is inserted into the square hole of the sleeve 1 and the rotating movement of the drilling spindle is transmitted from the sleeve 1 to the screw tap. When the clamp body and caudal peduncle tighten, sleeve 1 and sleeve 2 between the spring 3 is pressed, the sleeve 2 is pressed down tight, the spring