Paint brushing device for outer surface of elbow

The utility model relates to the technical field of elbow surface machining accessory devices, in particular to an elbow outer surface painting device. The utility model relates to an elbow paint brushing device, which saves manpower, improves working efficiency, can ensure paint layer brushing uniformity and improves use reliability, and comprises a workbench, an elbow positioning mechanism and a paint brushing mechanism are arranged on the workbench, the elbow positioning mechanism comprises an arc-shaped fixing plate and two groups of supporting plates, and the arc-shaped fixing plate is fixedly mounted at the top end of the workbench; two sets of arc-shaped through holes are formed in the arc-shaped fixing plate, two sets of fixing screws are arranged at the rear ends of the two sets of supporting plates, the rear ends of the two sets of fixing screws penetrate through the two sets of arc-shaped through holes correspondingly, and fixing nuts are arranged at the rear ends of the two sets of fixing screws c