The application discloses a valve body
abrasive grain flow
polishing device, and relates to the technical field of valve body
machining.The valve body
abrasive grain flow
polishing device comprises a base, an upper
piston and a lower
piston, further comprises a clamping mechanism for limiting and clamping the valve body, a center positioning mechanism for detecting and judging the center points of different valve body ports after clamping, and a connecting mechanism for aligning the upper
piston, the lower piston and the center position of the valve body.The upper portion of the base is provided with a driving
assembly, the driving
assembly comprises a driving connecting rod, a driving motor is arranged on the driving connecting rod, a limiting
assembly is arranged on the driving connecting rod, the limiting assembly comprises a limiting ring and an elastic limiting block, the elastic limiting block is located in the limiting ring, and movable racks are arranged on the upper and lower ends of the driving connecting rod.The valve body
abrasive grain flow
polishing device can realize abrasive grain flow polishing on valve bodies with complex structures, has good polishing quality, high efficiency and low cost, is easy to operate and maintain, and is easy to popularize and apply.