Polishing device convenient for glass processing

The utility model discloses a polishing device convenient for glass processing, which comprises a bottom plate, the lower end face of the bottom plate is fixedly connected with a motor, the output end of the motor penetrates through the bottom plate and is fixedly connected with a lower suction cup, the upper end face of one side of the bottom plate is fixedly connected with a vertical plate, and the interior of the vertical plate is slidably connected with a strip-shaped gear. A rotating block is fixedly connected to the inner wall of the vertical plate, a gear is movably connected to the outer wall of the rotating block, a rotating handle penetrating through the vertical plate is fixedly connected to the other end of the gear, then a motor is started after a grinding knife is moved to a proper position, and the motor rotates to drive a lower suction cup to rotate. Due to the fact that the lower suction cup is detachably connected with the first motor, the upper suction cup is driven to rotate when the lower