Double-roller calender

The double-roller calender comprises a calender body, an alarm is fixedly arranged on the side wall of the calender body, a hydraulic cylinder is fixedly arranged on the top wall of the calender body, a motor box is welded to the position, located at the bottom of the calender body, of the side wall of the calender body, and a motor is fixedly arranged in the motor box; an output shaft of the motor penetrates through the side wall of the machine body and is welded with a driving shaft, the driving shaft is in key connection with a driving gear, the inner wall of the machine body is symmetrically and rotationally connected with two first rotating shafts, the two first rotating shafts are jointly welded with a fixed roller, and the fixed roller is of a hollow structure. The teflon tape calendering device can be used for calendering teflon tapes with different thicknesses, the use range of the device is enlarged, the temperature of the fixed roller is reduced through water spraying during working, so that materi