| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an automatic drainage treatment device in an air pressure supplying circuit, for preventing air containing moisture not yet treated by an air drier from flowing into an air pressure circuit of a machine during the stoppage of the machine, and for performing the effective rust preventing treatment by the air drier during the operation of the machine. SOLUTION: An automatic drainage treatment device is provided with a solenoid selector valve 16 provided on the inlet side of an air drier 15 and for opening and closing air pressure pipes 12, an air filter 17 provided upstream from the solenoid selector valve 16 and provided with an automatic drain mechanism for automatically discharging drainage when the specified quantities of drainage are accumulated, and a valve switching control means 20 for detecting the operating/stopping state of a machine, switching the solenoid selector valve 16 into the closing position for the air pressure pipes 12 when an air compressor is stopper, and switching the solenoid selector valve 16 into the opening position when the machine is operated.</p> |
