Cylindrical lithium ion battery integrated charging and discharging machine

The cylindrical lithium ion battery integrated charging and discharging machine comprises a charging and discharging machine outer frame, an inner frame is arranged in the charging and discharging machine outer frame, and the inner frame comprises a top frame and a bottom frame which are horizontally arranged; lifting air cylinders are symmetrically installed at the bottom of the top frame, the lifting ends of the lifting air cylinders are fixedly connected with the middle frame, a plurality of fixing strips are arranged at the bottom of the top frame at intervals, every two adjacent fixing strips form a slot, a charging and discharging probe mechanism is horizontally inserted into the slots, and the charging and discharging probe mechanism comprises a test power source frame and a plurality of probe assemblies. A plurality of probe assemblies are arranged at the bottom of the test power supply frame at intervals along the longitudinal direction, a charge-discharge test power supply is arranged in the test po