Automatic sample introduction frame of spectrophotometer

The utility model discloses an automatic sample introduction frame of spectrophotometer, including outer frame, surge flask and spring plate, the inner side of outer frame is equipped with vacuum pump body, and the upper end of vacuum pump body is connected with first conduit, the outer wall of first conduit is equipped with first solenoid valve, the left end of vacuum pump body is connected with cleaning conduit, and the cleaning conduit is equipped with second solenoid valve. A control valve is installed on the outer wall of the cleaning guide pipe, the buffer bottle is installed at the left end of the cleaning guide pipe, a second guide pipe is connected to the upper end of the buffer bottle, a second electromagnetic valve is installed on the outer wall of the second guide pipe, a sampling pipe is arranged on the left side of the second guide pipe, and a sealing plug is arranged on the outer side of the sampling pipe. A cuvette is installed below the sealing plug, the elastic pressing plate is installed be