| 摘要 |
<p>The present invention relates to an unmanned spraying device which can efficiently perform drug spraying work by an injection nozzle and washing work from removing foreign substances remaining in the injection nozzle alternately. The unmanned spraying device is characterized by including a base, a drug tank, an injection nozzle, a first valve, a second valve, a third valve, a wind blower, and a divided pipe, in order to alternately perform drug spraying work by the injection nozzle by absorbing a drug of the drug tank by high air pressure supplied from the compressed air supply source while opening the first valve, and washing work supplying air pressure supplied from the compressed air supply source to the injection nozzle through the first pipe and divided pipe while the first and second valves are opened.</p> |
