Troubleshooting of semi automatic folder gluer machine

1. Failure and cause analysis

During the trial period of a semi automatic folder gluer machine, there has been abnormal paper feeding, especially when the paperboard is curled, it is more prone to frequent empty sheet failure. Although the stacking angle of some parts and paperboard on the semi automatic folder gluer machine is repeatedly adjusted, it is still useless, and the production efficiency is greatly affected, The situation is disturbing.

The paper feeding structure of the semi automatic folder gluer machine adopts the belt rotation friction mode to drive the paperboard into the “bridge” belt. The paper feeding principle is: a row of paper feeding belts on the paper feeding table are composed of 6 rubber belts with a width of about 30mm, and the cardboard is directly stacked on this row of paper feeding belts. When the belt rotates, under the action of friction, the bottom paperboard in contact with the belt is transported forward in a straight direction. Whether this paper feeding structure can maintain continuous paper feeding depends on the contact area between the belt and the paperboard and the friction between the belt and the paperboard.

Because the paperboard is made of multi-layer structural materials, its flatness is far better than that of paper, which directly affects its contact area with the belt, which is one aspect. Secondly, during the paper feeding process, it is inevitable that paper scraps will fall off and adsorb on the rubber belt, which is easy to cause slipping. Third, the surface of the belt becomes smoother after being used for a period of time. In addition, the glossing layer of the surface paper in contact with the belt is relatively smooth. The existence of these conditions reduces the contact surface and friction coefficient between the belt and the paperboard, which is the main reason for the empty paper feeding fault.

2. Solutions

Immediately use a rag dipped in warm water to wipe the six paper feeding rubber belts, so that not only the paper scraps adhered to the belt surface can be cleaned, but also the smoothness of the rubber belt can be significantly reduced, so as to greatly improve the friction coefficient, greatly increase the friction resistance of the belt to the paper plate during rotation, and avoid empty sheets caused by slipping.

After this method is adopted, the paperboard conveying is smooth immediately, and the empty sheet fault is better eliminated. Due to the correct treatment of the problems of the semi automatic folder gluer machine, the continuity of paperboard conveying and the improvement of production efficiency are ensured.