Bent axle rotary positioning device

The utility model discloses a bent axle rotary positioning device, including bent axle, driving part and the support part of taking crankshaft counter balance, the supporting part divides the supporting shoe that supports at the bent axle both ends, driving part is including driving actuating cylinder, connecting the rotary cylinder on driving the actuating cylinder piston rod and install and stir the rotatory driving lever of crankshaft counter balance on rotary cylinder, just the driving lever is relative rotary cylinder's center pin off -centre is arranged. This bent axle rotary positioning device can the direct mount on conveying material channel, do not need the top location of centre bore, realize that bent axle part gesture changes, and this simple structure, small, the commonality is strong, make and use cost cheap. 本实用新型公开了种曲轴旋转定位装置，包括带曲轴平衡块的曲轴、驱动部分及支撑部分，所述支撑部分支撑在曲轴两端的支撑块；所述驱动部分包括驱动气缸、连接在驱动气缸活塞杆上的回转气缸及安装在回转气缸上拨动曲轴平衡块旋转的拨杆，且所述拨杆相对所述回转气缸的中心轴偏心布置。该曲轴旋转定位装置可以直接安装在输送料道上，不需要中心孔顶尖定位，实现曲轴零件姿态转变；且该结构简单、体积小、通用