Sealing ring assembling mechanism

The utility model relates to the technical field of assembling equipment, in particular to a sealing ring assembling mechanism which comprises a workbench and an assembling assembly, the assembling assembly comprises a pushing air cylinder, a pushing block and a chuck, the pushing air cylinder is vertically installed on the workbench, and the chuck is installed below the pushing air cylinder; the chuck is provided with a sliding channel, the chuck is provided with an annular clamping groove at the bottom end of the sliding channel, and the annular clamping groove is used for assembling a sealing ring; the pushing block is installed in the sliding channel, and an output shaft of the pushing air cylinder extends into the sliding channel and is in driving connection with the pushing block. The pushing block is driven by the pushing air cylinder to push out the sealing ring in the annular clamping groove. Through the combination of the chuck and the pushing block, the sealing ring can be grabbed and installed und