The invention relates to the technical field of machinery equipment, in particular to a copper wire rolling device. The copper wire rolling device comprises a main machine box and further comprises a motor, a carrier, a rolling component, a feeding opening and an extruding component. The motor, the carrier, the rolling component, the feeding opening and the extruding component are arranged on the outer wall of the main machine box. The carrier comprises a second outputting plate, a second rolling part, a first outputting plate, a first rolling part, a telescopic rod, a first guiding barrel, a first spring, an extruding barrel, a second spring, a first extruding part and a locating seat; a first adjusting groove is concavely formed in the lower portion of the first outputting plate, a first pressing hole penetrating through the first rolling part is formed in the first rolling part in the radial direction of the first rolling part, a main flexible hole penetrating through the first guiding barrel is formed in the first guiding barrel in the axial direction of the first guiding barrel, and a first fixing cavity penetrating through the locating seat is formed in the locating seat in the axial direction of the locating seat; and the first extruding part comprises an extruding rod and an extruding part body. The copper wire rolling device is convenient to operate, convenient to adjust, high in rolling efficiency and good in rolling quality.