Automatic circulating oil supply system of machine

The utility model discloses an automatic circulating oil supply system of a machine, which comprises a dirty oil tank configured for the machine, a dirty oil main pool used for collecting dirty oil, apurified oil main pool used for supplying oil to the machine, and a dirty oil filtering device used for treating the dirty oil, wherein the input end of the sump oil tank is connected to a machine, the output end of the sump oil tank is connected to the input end of the sump oil main pool, the output end of the sump oil main pool is connected to the input end of the sump oil filtering device, theoutput end of the sump oil filtering device is connected to the input end of the purified oil main pool, and the output end of the purified oil main pool is connected to the machine; therefore, automatic circulating oil supply of the machine is realized, the working efficiency is improved, the waste of oil is avoided, the production and manufacturing cost is reduced, and the occupied space is reduced. 本实用新型公开一种机器自动循环供油系统，