Mixing device for strain identification

The utility model discloses a mixing device for bacterial strain identification, which comprises a lower box body and an upper box body, the upper box body is positioned above the lower box body, a positioning cylinder and two limiting mechanisms are arranged between the upper box body and the lower box body, the two limiting mechanisms are respectively positioned on two sides of the lower box body, each limiting mechanism comprises a bearing plate, a connecting block, a bearing block, two positioning blocks and two limiting rods, the connecting block is slidably arranged in the middle of the bearing block, the two positioning blocks slide on the two sides of the connecting block respectively, and the tops of the limiting rods are located on the positioning blocks. The upper box body, the lower box body, the bearing plate, the connecting block, the bearing block, the positioning block and the limiting rod are matched with one another, the upper box body and the lower box body separate the mixing box, the posi