Pipette counting device

The utility model discloses a pipette counting device, and relates to the technical field of pipettes. The counting gun comprises a gun body, a counting mechanism for counting is arranged at the bottom of the gun body, the counting mechanism comprises an electronic counter, one side of the electronic counter is fixedly connected with a clamping plate through a bolt, the electronic counter is fixed to one side of the gun body through the clamping plate, the bottom of the electronic counter is fixedly connected with an installation piece, and the installation piece is fixedly connected with the gun body. One side of the mounting piece is fixedly connected with a penetrating photoelectric sensor, the photoelectric sensor is electrically connected with an electronic counter, the bottom of the electronic counter is fixedly connected with a mounting cylinder, the mounting cylinder is connected with the bottom of the gun body in a sleeved mode, and the periphery of the mounting cylinder is sleeved with a sleeve. Acc