Electric pipette rack

The utility model relates to the technical field of electric pipettes, and provides an electric pipette rack which comprises a bottom plate, a supporting frame is fixedly mounted at the top of the bottom plate, a moving plate is slidably connected to the inner side wall of the supporting frame, a clamping groove is formed in one side of the supporting frame, and a first threaded rod is connected to one side of the moving plate through threads. A first rotating block is fixedly installed at one end of the first threaded rod, a movable plate is connected to the side wall of the first threaded rod through a bearing, the movable plate is connected with the clamping groove in a clamped mode, a round rod is fixedly installed on one side of the movable plate, and the movable plate is slidably connected with the moving plate through the round rod; through the arrangement of the supporting frame, the moving plate, the clamping groove, the first threaded rod, the first rotating block, the movable plate, a round rod, a