What should I do if the seal of the wet tissue packaging machine is not strong?

The wet tissue packaging machine has been used for a long time, especially in the case of continuous work and overload, it is prone to some electrical and mechanical failures, such as imperfect sealing, machine stop walking, fuse blown when starting, squeaking sound during operation, temperature failure Control the deformation and bending of the finished bag at the sealing place, the air bubbles or irregular marks at the embossing place of the sealing knife, etc.

Combining the actual use experience of the wet tissue packaging machine, the reasons are analyzed, the corresponding solutions are proposed, and the maintenance of the continuous sealing machine is explained, hoping to be helpful to the enterprises and individuals who use the continuous sealing machine.

Insufficient sealing is one of the common failures of continuous sealing machines. Insufficient sealing has three meanings:

①Under the pressure of the sealing knife, although the bag mouth is sealed, it will crack again if it is squeezed or torn a little bit harder;

② In the sealing peel test, half is tightly closed and half is separated. The sealing quality of this kind of packaging bag is still unqualified, because the content is easily squeezed and leaked during storage and transportation. This situation often occurs when the composite lining is OPP and blow molded PE.

③The sealing of the packaging bag cannot be sealed;

1. The main reasons for the first sealing failure of the wet tissue packaging machine are as follows

(1) If the heat-sealing temperature is not enough, the problem can only be solved by appropriately increasing the heat-sealing temperature.

(2) The surface of the heat-sealing knife is not flat enough. The heat-sealing knife is divided into upper and lower parts, which are usually installed to sense temperature transfer. There are three screws on the heat-sealing knife, the screw in the middle plays the role of supporting and strengthening the blade. The other two screw springs and gaskets are mainly used to adjust the pressure of the heat-sealing knife. There are two springs on each of the upper and lower blades. The main reason for the uneven surface of the heat-sealing knife is that the middle screw is inclined and not level; or the pressure of the pressure spring of the heat-sealing knife is uneven. The solution is to re-correct the position of the middle screw to make it level. If the upper and lower heat-sealing knives are unbalanced, it should be realized by adjusting the pressure spring, and the adjustment can be moderate. When the spring retracts outward, the heat-sealing knife will fall downward; when the spring of the lower blade is tightened upward, the heat-sealing knife will move upward.

(3) Uneven pressure of cold-pressed rubber wheels Uneven pressure of cold-pressed rubber wheels can also cause such sealing failures. The solution is similar to the first case.

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