Reduction gearbox with thread transmission function

The reduction gearbox with the thread transmission function comprises a box body, an output shaft, a bearing and a planetary plate, one end of the box body is provided with a bearing hole, the bearing is arranged in the bearing hole, the output shaft comprises a transmission thread section and a rod section which are connected, the rod section is sleeved with the bearing, the bearing is arranged in the bearing hole in a sleeved mode, and the planetary plate is connected with the transmission thread section. A planetary plate is fixedly arranged at the end, away from the transmission thread section, of the rod section, the diameter of the planetary plate is smaller than that of a bearing hole, and the outer diameter of the transmission thread section is larger than that of an inner hole of a bearing. The reduction gearbox with the thread transmission function is novel in structure and very simple in assembly process, assembly work of assembly personnel is greatly facilitated, the assembly efficiency of the red