Issue with rospy.spin and rospy.Rate

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I got a problem with this code, after doing some tests, i think that my callbacks are not being called, should i make another program without mixing rospy.spin and rospy.Rate? i want the rospy.spin in order to the loop for remain my subscribers and the rospy rate is required because i need that frequency to write some data at that specific frequency. Thanks.

#!/usr/bin/env python

import rospy
from std_msgs.msg import *
from vector_msgs.msg import *
import numpy as np
#Abrimos los archivos de texto en los que escribimos el estado actual del robot (q y q')
f1 = open("posicion1.txt","w+")
f2 = open("posicion2.txt","w+")
f3 = open("posicion3.txt","w+")
f4 = open("posicion4.txt","w+")
f5 = open("posicion5.txt","w+")
f6 = open("posicion6.txt","w+")

fv1 = open("velocidad1.txt","w+")
fv2 = open("velocidad2.txt","w+")
fv3 = open("velocidad3.txt","w+")
fv4 = open("velocidad4.txt","w+")
fv5 = open("velocidad5.txt","w+")
fv6 = open("velocidad6.txt","w+")

posicion = np.array([0.0, 0.0, 0.0, 0.0, 0.0, 0.0])
velocidad = np.array([0.0, 0.0, 0.0, 0.0, 0.0, 0.0])

start_p=0

start_v=0


def Escribe_pos1(data):
    #f1 = open("posicion1.txt","a+")
    posicion[0]=data.data

def Escribe_pos2(data):
    #f2 = open("posicion2.txt","a+")    
    posicion[1]=data.data

def Escribe_pos3(data):
    #f3 = open("posicion3.txt","a+")    
    posicion[2]=data.data

def Escribe_pos4(data):
    #f4 = open("posicion4.txt","a+")
    posicion[3]=data.data

def Escribe_pos5(data):
    #f5 = open("posicion5.txt","a+")
    posicion[4]=data.data

def Escribe_pos6(data):
    #f6 = open("posicion6.txt","a+")
    posicion[5]=data.data

def Escribe_vel1(data):
    #fv1 = open("velocidad1.txt","a+")
    velocidad[0]=data.data

def Escribe_vel2(data):
    #fv2 = open("velocidad2.txt","a+")
    velocidad[1]=data.data

def Escribe_vel3(data):
    #fv3 = open("velocidad3.txt","a+")
    velocidad[2]=data.data

def Escribe_vel4(data):
    #fv4 = open("velocidad4.txt","a+")
    velocidad[3]=data.data

def Escribe_vel5(data):
    #fv5 = open("velocidad5.txt","a+")
    velocidad[4]=data.data

def Escribe_vel6(data):
    #fv6 = open("velocidad6.txt","a+")
    velocidad[5]=data.data

def Escribe_pos(data):
    start_p=1
    rospy.loginfo("k dise surmano")

def Escribe_vel(data):
    start_v=1




if _name_ == '_main_':

    rospy.init_node('Escritor_de_posiciones', anonymous=True)

    sub1 = rospy.Subscriber("/control_effort/joint1_position_controller/posicion_actual1", Float64, Escribe_pos1)
    sub2 = rospy.Subscriber("/control_effort/joint2_position_controller/posicion_actual2", Float64, Escribe_pos2)
    sub3 = rospy.Subscriber("/control_effort/joint3_position_controller/posicion_actual3", Float64, Escribe_pos3)
    sub4 = rospy.Subscriber("/control_effort/joint4_position_controller/posicion_actual4", Float64, Escribe_pos4)
    sub5 = rospy.Subscriber("/control_effort/joint5_position_controller/posicion_actual5", Float64, Escribe_pos5)
    sub6 = rospy.Subscriber("/control_effort/joint6_position_controller/posicion_actual6", Float64, Escribe_pos6)

    sub7 = rospy.Subscriber("/control_effort/joint1_position_controller/velocidad_actual1", Float64, Escribe_vel1)
    sub8 = rospy.Subscriber("/control_effort/joint2_position_controller/velocidad_actual2", Float64, Escribe_vel2)
    sub9 = rospy.Subscriber("/control_effort/joint3_position_controller/velocidad_actual3", Float64, Escribe_vel3)
    sub10 = rospy.Subscriber("/control_effort/joint4_position_controller/velocidad_actual4", Float64, Escribe_vel4)
    sub11 = rospy.Subscriber("/control_effort/joint5_position_controller/velocidad_actual5", Float64, Escribe_vel5)
    sub11 = rospy.Subscriber("/control_effort/joint6_position_controller/velocidad_actual6", Float64, Escribe_vel6)

    sub13 = rospy.Subscriber("/referencias_posicion", vector, Escribe_pos)
    sub14 = rospy.Subscriber("/referencias_velocidad", vector, Escribe_vel)

    rospy.spin()

    r = rospy.Rate(23) #23Hz
    while not rospy.is_shutdown():
        rospy.loginfo("%d" % start_p)
        if (start_p>0):
            rospy.loginfo("ara ba flama abe")
            f1.write("%f\n" % posicion[0])
            f2 ...