Precision valve linear motor

The utility model relates to the technical field of valve motors, in particular to a precision valve linear motor, which comprises a valve pipeline, a fixed shell is mounted on the valve pipeline, a sealing top tray is arranged at one end of the fixed shell, a motor body is mounted in the fixed shell, a conveying shaft is movably connected in the motor body, and the conveying shaft is movably connected with the valve pipeline. The conveying device comprises a conveying shaft, a partition piece is installed on the outer side of the conveying shaft, a sealing piece is arranged at one end of the conveying shaft, the sealing piece comprises a shell, an arc-shaped movable block and a third spring, the arc-shaped movable block is movably connected into the shell, and a cooling bin shell is installed on a fixed shell. According to the scheme, the situation that due to long-time work of the motor, the internal temperature is too high, and the stability and control precision of the device are affected is reduced, the