Sealing rubber strip extruder for vehicle

The utility model belongs to the technical field of sealing rubber strip processing, and particularly relates to a vehicle sealing rubber strip extruder which comprises a machine body, the top of the machine body is fixedly connected with a heating unit and a feeding unit; the side wall of the feeding unit is fixedly connected with a discharging unit; a shaping opening is formed in the side wall of the discharging unit. The side wall of the machine body is fixedly connected with a servo motor through a supporting block. The output end of the servo motor is fixedly connected with a first rotating shaft, and the first rotating shaft penetrates through the heating piece and extends into the feeding and discharging unit. The side wall of the feeding unit is rotationally connected with a second rotating shaft through a supporting cylinder. A control piece is arranged on the side wall, close to the first rotating shaft, of the second rotating shaft; the side wall, close to the discharging unit, of the second rotati