Rapid press-in tool for sealing washer

The utility model discloses a quick press-in tool for a sealing washer. The quick press-in tool comprises a pneumatic control device, a fixed base, a tool lower die and a tool upper die, the pneumatic control device comprises a pneumatic control workbench and a transmission air cylinder, the transmission air cylinder and the pneumatic control workbench are connected up and down through a connecting shaft, and the pneumatic control workbench is located under the transmission air cylinder. The fixed base and the tool lower die are sequentially installed above the pneumatic control workbench from bottom to top, and the tool upper die is installed below the transmission air cylinder. According to the utility model, the main engine front cover which is sleeved with the sealing washer but not pressed into the fixing groove in the edge of the main engine front cover is placed into the tool lower die which is fixed on the fixed base, and then the tool upper die is driven by the transmission cylinder to punch downward