Flexible long rack assembling device

The utility model discloses a flexible long rack assembling device which comprises a shell supporting body, the upper portion of the shell supporting body is connected with a transparent protective cover through a bolt, the interior of the shell supporting body is fixedly connected with a servo motor, and the outer side of an output shaft of the servo motor is fixedly connected with a gear. The rack conveying and assembling device is provided with the shell supporting body, the output shaft of the servo motor can drive the gear to rotate, the purposes of conveying and assembling racks are achieved, the rack is guided in through rotation of the gear when the rack conveying and assembling device is pressed down to be started, the servo motor is started, the rack is guided in through rotation of the gear, and a torque sensor is attached to the servo motor. In the rack leading-in process, through torque feedback, whether rack leading-in is abnormal or not is judged, an alarm gives an alarm when an abnormal rack i