Quick mounting machine for sealing ring

The utility model relates to a quick mounting machine for a sealing ring. The quick mounting machine for the sealing ring is characterized in that the quick mounting machine comprises a machine table (5), the machine table (5) is provided with a part mounting base (6), the machine table (5) is provided with a machine frame (7), a downward cylinder (8) is arranged on the top of the machine frame (7), the telescopic end of the cylinder (8) is connected with a connecting shaft (9) in a downward mode, the lower end of the connecting shaft (9) is connected with a pressing sleeve (10), a mounting hole (9.1) is formed in the lower end face of the connecting shaft (9) in an upward mode, the pressing sleeve (10) comprises a pressing sleeve connecting section (10.1) on the upper section and an elastic sleeve (10.2) on the lower portion, a vertical hole is formed in the middle of the pressing sleeve connecting section (10.1), a limiting rod (11) which is vertically arranged is arranged in the vertical hole, and a spring (12) is connected between the limiting rod (11) and the connecting shaft (9) on the top of the mounting hole (9.1). The quick mounting machine for the sealing ring has the advantages of improving mounting efficiency and mounting quality.