Rotary outer support of gear hobbing machine

The utility model discloses a rotary outer support of a gear hobbing machine. The rotary outer support of the gear hobbing machine comprises a sliding plate (1), wherein the sliding plate (1) is connected on an upright column guide rail (2) of the gear hobbing machine in a sliding mode, an outer support body (3) is connected on the sliding plate (1), an apex (11) is arranged on the outer support body (3), a hinge (4) is connected on the side edge of one side of the outer support body (3), and the outer support body (3) is connected with the sliding plate (1) through the hinge (4). According to the rotary outer support of the gear hobbing machine, the outer support body is connected on the sliding plate in a rotatable mode and tightly locked through a 'T'-shaped screw, a locating block is also used for guaranteeing the accuracy of the restoration of the outer support body, and therefore installing efficiency and dismantling efficiency are improved. The rotary outer support of the gear hobbing machine further h