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南京铸造厂原来Z145A造型机系通过按压阀来的气源,由扇形齿轮带动阀瓣完成造型过程中的全部工序。在实际操作中,常会出现操作失灵现象。1982年该厂钱立成同志设计了柱塞式分配阀取代了原有的按压阀和分配阀,经使用,不仅操作可靠,且经久耐用。柱塞式分配阀如图所示,当板动棘轮手柄1时,控制轴2旋转带动固定在控制轴上的凸轮3压下活塞杆4到达固定位置,则原来由活塞杆关闭的阀体5上的工作程序进气孔6打开,压缩空气进
Nanjing foundry original Z145A molding machine by pressing the valve to the gas source, driven by the sector gear valve flap to complete the modeling process of all the processes. In practice, often appear operation failure phenomenon. In 1982, the factory comrade Qian Licheng designed a piston-type distribution valve to replace the original pressure valve and distribution valve, the use of not only reliable operation, and durable. Piston distributor valve shown in Figure, when the plate ratchet handle 1, the control shaft 2 driven fixed cam 3 in the control shaft presses the piston rod 4 to reach a fixed position, the original piston rod closed valve body 5 On the work program inlet 6 open, compressed air into