Bridge rubber support machining lathe

The utility model relates to the field of bridge rubber support machining, in particular to a bridge rubber support machining lathe which comprises a lathe body, a sealing cavity is formed in one end of the lathe body, a rotating rod is rotationally installed on the sealing cavity, a clamping base is installed outside the rotating rod, and first screws are rotationally installed at the four corners in the clamping base. A first sliding block is connected to the first screw rod and connected with the clamping block through a connecting block. A third motor is arranged at the top of the sealing cavity, a second screw rod is mounted on the third motor, a sliding plate is connected to the second screw rod, a connecting sleeve is mounted at the bottom of the sliding plate, and a cutter placing seat and a cutter are mounted on the connecting sleeve; the bottom of the sliding plate is connected with a material pushing plate through a connecting rod, the material pushing plate is arranged in an impurity storage groov