The utility model discloses a kind of core wire shaping mechanisms, belong to core wire shaping field, a kind of core wire shaping mechanism, including first linear module, second linear module, upper shaping group, lower shaping group, upper wire guide plate and lower wire guide plate, the moving end of first linear module is fixed with second linear module, second linear module has two moving ends, upper shaping group and lower shaping group are respectively fixed in the two moving ends of second linear module, upper shaping group is provided with upper wire guide plate, upper wire guide plate can move up and down relative to upper shaping group, when initial state, the bottom end of upper wire guide plate is located below the shaping end of upper shaping group, lower shaping group is provided with lower wire guide plate, lower wire guide plate can move up and down relative to lower shaping group, when initial state, the top end of lower wire guide plate is located above the shaping end of lower shaping group.The utility model realizes wire positioning, straightening and shaping action, greatly reduce manual labor intensity, greatly improve shaping efficiency.