Cotton yarn winding drum convenient to assemble and disassemble quickly

The utility model relates to the technical field of cotton yarn production, in particular to a cotton yarn winding drum convenient to quickly assemble and disassemble, which comprises a bottom plate, a support plate fixedly connected to one side of the upper end of the bottom plate, a driving roller rotatably connected to one side of the upper end of the support plate, a moving rod slidably connected to the other side of the upper end of the bottom plate, and a driven roller rotatably connected to the upper end of the moving rod. A cotton yarn winding drum is connected between the driven rotating roller and the driving rotating roller; the electric push rod is fixedly mounted at the upper end of the bottom plate, and a sliding block is arranged at the upper end of the electric push rod; one end of the driven roller is driven by the motor to be inserted into the other end of the cotton yarn winding drum, the supporting plate is pushed by the electric push rod to move to the position below the cotton yarn windi