Corner edge sealing machine is a combination of I-shaped and edge sealing machine to form the I-shaped edge sealing water packaging line automatic packaging operations. Applicable carton specifications, the machine up and down the height adjustment and drive belt on both sides of the pitch adjustment can be adjusted manually shake (2-3) minutes, convenient and quick. The combination of the machine to "L" type right-angle direction, smooth and stable operation. Carton sealing machine by the former paragraph, up and down (middle) sealed. After the edge of the machine by the edge, into the corner of the sealing machine .Automatic up and down a total of four corner, while sealing, heal completed.