Batch feeding device

The utility model provides a weighing paper sends into reaction vessel for being equipped with laboratory sample to make laboratory sample can all drop into the batch feeding device of reaction vessel bottom. The utility model relates to a batch feeding device has: a transparent cylinder section of thick bamboo holds weighing paper, include along 2 at least first magnet that cylinder section of thick bamboo extending direction set up, and telescopic link, include that the first body of rod be connected with a transparent cylinder section of thick bamboo and slidable ground cover establishes the second body of rod outside the first body of rod, wherein, the first body of rod include at least 2 with the second magnet of first magnet one -to -one, a plurality of led lamps, battery clamping groove and switch, 1 the one end of a transparent cylinder section of thick bamboo is kept away from in the setting of individual led lamp at the first body of rod, all the other led lamps set up between at least 2 second magn