Grouping device of carton counting machine

The utility model discloses a grouping device of a carton counting machine. A lifting rod mechanism of the grouping device comprises a servo motor, an output gear, a transmission shaft, gear racks, sliding plates, sliding rails and a cross beam. The output gear is driven by the servo motor to rotate, and is in meshing transmission with the gear racks, the gear racks are longitudinally arranged on the sliding plates, the sliding plates are sleeved with the sliding rails, and the cross beam is vertically arranged on sliding plate planes. The movable ends of lifting rods are erected on the cross beam. The grouping device can carry out counting and grouping behind a high-speed printer conveniently, and can be applied to new equipment, meanwhile, original equipment can be modified with the low cost, workers needed in the counting procedure are reduced after the grouping device is applied to enterprises, and the production site is reduced.