Automatic tuning device based on needle pump system

The utility model discloses an automatic tuning device based on a needle pump system, and relates to the technical field of needle pumps. Comprising a console, an injection pushing mechanism is arranged at the top of the console, a T-shaped sliding groove is formed in one side of the console, a sliding plate is slidably connected to the inner wall of the T-shaped sliding groove, a lifting frame is arranged at the top of the sliding plate, and an internal pressure detection mechanism is arranged at the top of the lifting frame. Through the arrangement of the injection pushing mechanism and the internal pressure detection mechanism, under the work of the injection pushing mechanism, the gas of the injector is pushed into the detection pipe, the arranged rubber airtight sleeve is attached to the outlet pipe part of the injector, the airtightness is improved, the detection pressing plate slides in the detection pipe by pushing the pressure of the gas, and the internal pressure of the injector is detected. The pre