Automatic sample injector for laboratory detection

The utility model discloses an automatic sample injector for laboratory detection. The feeding device comprises an L-shaped feeding pipe, the left end of the L-shaped feeding pipe is connected with afirst motor through a bolt; an output shaft of the first motor penetrates through and extends into the L-shaped feeding pipe; the end part of an output shaft of the first motor is connected with a rotating shaft through a coupler; the right end of the rotating shaft is positioned at the right end in the L-shaped feeding pipe; a sample can be contained through the material containing disc; the rawmaterials can be weighed through a micro weighing device; the material containing disc can be driven to turn over through the second motor; a sample can be guided into the sample containing barrel through the containing disc; the automatic sample injector for laboratory detection has the advantages that the structure is simple, the operation is simple and convenient, not only is the sample weighing more convenient, but als