Oral liquid quantitative filling machine

The utility model discloses an oral liquid quantitative filling machine which comprises a feeding table and a liquid storage tank, a base is welded to the bottom of the feeding table, and a gear motor is fixedly connected to the interior of the base through a mounting base; by arranging the liquid storage tank, the quantifying cylinder, the feeding pipe, the first electric valve, the screw rod, the piston and the second electric valve, the screw rod in threaded connection with the upper part of the quantifying cylinder is rotated to promote the screw rod to push the piston in the quantifying cylinder to move downwards, so that the piston is located at any position in the quantifying cylinder, and the volume of the quantifying cylinder is adjusted; when bottle openings of bottle bodies distributed at the edge of the charging tray are located under the quantitative cylinder, oral liquid in the liquid storage tank enters the quantitative cylinder in a quantitative mode by opening the first electric valve of the