Sevice for cleaning and sterilizing the interior of filling machine by utilizing pasteurization method

The invention relates to the technical field of medical machinery, and discloses a device for cleaning and sterilizing the interior of a filling machine by utilizing a pasteurization method. The device comprises a filling machine, wherein a drain valve is movably connected to the bottom of the interior of the filling machine, a drain pipe is movably connected to the interior of the drain valve, apower wheel is movably connected to the upper portion of the interior of the filling machine, a quantitative pipe is movably connected to the upper portion of the drain pipe, a filling sliding block is movably connected inside the quantitative pipe, a return spring is movably connected to the upper portion of the quantitative pipe, and a filling needle pipe is movably connected to the lower portion of the quantitative pipe. According to the device, drain rails on the two sides of the drain valve are manually controlled, the drain pipe rises to coincide with the position of the filling needle pipe under the elastic for