Packaging box transportation assembly and packaging assembly line

The utility model discloses a packing box transportation assembly and a packing assembly line, the packing box transportation assembly comprises a first transportation line, the first transportation line is provided with a first feed end and a first discharge end, and the direction from the first feed end to the first discharge end is set as a first transportation direction; the packaging box overturning assembly is used for adsorbing or clamping the packaging box and driving the packaging box to overturn; the box pushing assembly and the packaging box overturning assembly are arranged on the two sides of the first discharging end correspondingly. The box pushing assembly is used for pushing the packaging box to the packaging box overturning assembly. According to the technical scheme, when the packaging box is transported to the first discharging end, the box pushing assembly pushes the packaging box to the packaging box overturning assembly, so that the space between the packaging box overturning assembly a