Multi-station flexible rotary sand blasting device

The utility model relates to a multi-station flexible rotary sand blasting device, which comprises a moving mechanism, a flexible spray gun mechanism, a sand blasting feeding mechanism and a spray gunrotating mechanism, the sand blasting feeding mechanism and the spray gun rotating mechanism are respectively arranged on the moving mechanism, and the flexible spray gun mechanism is communicated with the sand blasting feeding mechanism through the spray gun rotating mechanism. Compared with the prior art, the utility model designs a multi-station elbow inner sand blasting device which is provided with a flexible spray gun and can automatically rotate to blast sand. The spray head can be driven by the spray gun rotating mechanism to rotate, meanwhile, enough flexibility can be provided by the hose, the spray head can be driven by the moving mechanism to enter and exit from the bent pipe fitting while rotating during working, and the sand blasting device is simple, efficient, stable and reliable in sand blasting