Packaging box tongue edge folding device and middle packaging machine

The invention relates to the technical field of packaging equipment, and provides a packaging box tongue edge folding device and a packaging machine, the packaging box tongue edge folding device comprises a rack and a conveying frame, the conveying frame is slidably arranged on the rack, and the conveying frame is used for pushing a packaging box to move; the tongue sealing piece is rotationally arranged on the rack, and the tongue sealing piece abuts against or is separated from the tongue edge of the packaging box after rotating; by means of the technical scheme, the problems that packaging box edge sealing operation is tedious, equipment is concentrated, operation is inconvenient, and the overall efficiency is low in the prior art are solved. 本发明涉及包装设备技术领域，提出了一种包装盒舌边翻折装置及中包机，包括机架，输送架，输送架滑动设置在机架上，输送架用于推动包装盒移动；封舌件，封舌件转动设置在机架上，封舌件转动后与包装盒的舌边抵接或分离；通过上述技术方案，解决了相关技术中包装盒封边作业繁琐，设备集中，操作不方便，整体效率低的问题。