Box body mechanism and heavy vertical packing machine

The utility model relates to the field of ship building and repairing waste article packing, in particular to a box body mechanism and a heavy vertical packer, the box body mechanism comprises a box main body and a door lock assembly, one side of the box main body is provided with an opening, and a movable door is hinged to one side wall of the opening; the door lock assembly comprises a buffer switch, a first locking piece and a second locking piece, a connecting piece is arranged on the side wall of the box body, and one side of the second locking piece is hinged to the connecting piece; the first locking piece is hinged to the second locking piece, and the buffer switch is provided with a fixing position and a buffer position. When the movable door is in a closed state, the second locking piece is fixed to the fixing position, and one side of the first locking piece presses and abuts against the movable door. When the movable door is in a pressure releasing state, the second locking piece is located on the