Abrasion-deformation-resistant sealing structure of bag feeding type vacuum packaging machine

The utility model relates to the technical field of vacuum packaging machines, and discloses an anti-abrasion deformation sealing structure of a bag feeding type vacuum packaging machine, which comprises a device base, a control box body is fixedly connected to the outer surface of the upper end of the device base, and a vacuum box is movably connected to the outer surface of one side of the control box body. The outer wall of the vacuum box is fixedly connected with a gas conveying pipeline, the outer surface of one end of the gas conveying pipeline is fixedly connected with a sealing operation box, when the device is used, the device can be connected with the vacuum chamber through a negative pressure opening, and the gas distribution upper sliding valve, the gas distribution sliding valve, the fixing disc, the fixing disc and the limiting disc are matched with one another, so that vacuum and positive pressure are integrated; and positive pressure and negative pressure intercommunication is achieved, so tha