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环首螺钉风动拉杆胎如图所示,由定位压盖1、调整垫2、卡爪3、弹簧4、圆销5、拉杆6、夹具体7组成。装夹迅速、方便、使用可靠、效率高。将工件的环部从定位压盖1的长槽穿入至张开的两个卡爪3的中间,然后扳动风阀。装于主轴尾端的风缸,使拉杆6左移,带动卡爪3沿夹具体7的锥面左移,卡爪3同时沿圆销5转动,靠近工件。拉杆继续左移时,卡爪沿夹具体的圆柱孔移动,工件随卡爪移动,并在定位压盖的锥面上定位、
Ring-head screw pneumatic rod as shown in the figure, by the positioning gland 1, adjusting pad 2, claw 3, spring 4, round pin 5, rod 6, clamp body 7 composition. Quick, easy to install, reliable, high efficiency. The ring part of the workpiece is inserted into the long groove of the positioning gland 1 to the middle of the two opened jaws 3, and then the air valve is pulled. The cylinder mounted on the tail end of the main shaft moves the pull rod 6 to the left to drive the claw 3 to move to the left along the conical surface of the clamp body 7. The claw 3 simultaneously rotates along the round pin 5 and approaches the workpiece. When the rod continues to move left, the claw moves along the cylindrical hole of the clamp body, the workpiece moves with the claw and is positioned on the conical surface of the positioning gland.