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我厂工具车间工长张乃迺同志,改进了一种通用夹具,用在钻床上钻不大的工件,效果很好。夹具的结构如附图,1是底盘,用螺栓和螺帽固定在钻床工作台上。底盘的内圆车有螺纹,与夹具体2下端的外螺纹配合。夹具体2是圆筒形的,下部中央有一个孔和键槽,下部外圆上有一排小孔 K。3是轴,下端大头插在夹具体2的圆孔内,并有键和孔内的键槽配合。上端小头与偏心块4配合。偏心块4可以在轴3上自由转动。偏心块5装在4的轴上,也可以自由转动。
My factory tool workshop commander Zhang Nai 改 comrades, improved a common fixture, with drill in the drilling of small work, the effect is very good. Fixture structure shown in Figure, 1 is the chassis, with bolts and nuts fixed on the drilling table. The inner wheel of the chassis is threaded and mates with the lower thread of the clamp body 2. Clamp body 2 is cylindrical, the lower center has a hole and keyway, a row of small holes K on the lower outer circle. 3 is the shaft, the bulk of the lower end inserted in the hole in the clamp body 2, and the key and hole keyway with. Upper head and eccentric block 4 with. The eccentric 4 can rotate freely on the shaft 3. Eccentric block 5 installed in the 4 axis, you can also freely rotate.