Paper winder and working method thereof

Abstract

The invention discloses a paper winder, comprising a workbench and a reel cylinder, a paper roll alternation iron core and a loading braking device arranged on the workbench. The paper winder is characterized in that the paper winder also comprises a glue spraying system for gluing the end of a paper roll on the surface of the paper roll when changing the paper roll. Because of the glue spraying system arranged around the paper roll-changing iron core of the paper winder, which can spray glue on paper surface 6 seconds before changing the paper roll to glue the end of the paper roll on the surface of the paper roll so as to completely solve the problem which the paper roll gets loose under the action of inertial centrifugal force and at the same time solve the problem which the end paper swings after changing the paper roll, thereby ensuring the increase of paper machine speed and the paper quality under the high paper machine speed. Because of a temperature controlled heater arranged on a glue barrel, which can control the glue temperature at about 50 DEG C, the fluidity of the glue is ensured. Furthermore, a liquid level alarm is arranged on the glue barrel and used for alarming when the liquid level is lower than a preset value until the operation is stopped, so as to ensure the safe operation of the temperature-controlled heater and the pumps.

Description

technical field [0001] The invention relates to a paper winding machine, in particular to a paper winding machine and its working method. Background technique [0002] With the rapid development of international large-scale paper machines, the improvement of machine speed has become the goal pursued by international famous paper equipment manufacturers and production plants such as Metso and Voith. However, the speed increase is limited by various conditions, especially in the case of high speed, the finished paper roll will generate a large centrifugal force when the roll is changed, and when the mandrel brakes to stop when producing smooth paper, The outer layer of the finished paper roll is still running due to the inertial centrifugal force, resulting in the loosening of the finished paper roll, which seriously affects the normal production of the paper machine and the increase of the speed of the machine, and at the same time produces a lot of loss; in addition, the tai...

AI Technical Summary

Problems solved by technology

However, the speed increase is limited by various conditions, especially in the case of high speed, the finished paper roll will generate a large centrifugal force when the roll is changed, and when the mandrel brakes to stop when producing smooth paper, The outer layer of the finished paper roll is still running due to the inertial centrifugal force, resulting in the loosening of the finished paper roll, which seriously affects the normal production of the paper machine and the increase of the speed of the machine, and at the same time produces a lot of loss; in addition, the tail of the paper is shaken when the roll is changed. also seriously affect safety

At present, the method of prolonging the braking time is often used to solve this problem, but it affects the time of changing rolls. At the same time, it is necessary to limit the speed of the machine to ensure the normal operation of the paper machine, which also affects the increase of the speed of the paper machine. A breakthrough in production capacity

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