Arrangement of paper-/tissue paper-/cardboard- or after-treatment machine

A post-processing machine, paper machine technology, applied in the field of devices in the paper machine/tissue paper machine/cardboard machine or post-processing machine, can solve problems such as danger

Inactive Publication Date: 2011-03-30
METSO PAPER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

dangerous situation arises here

Method used

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  • Arrangement of paper-/tissue paper-/cardboard- or after-treatment machine
  • Arrangement of paper-/tissue paper-/cardboard- or after-treatment machine

Examples

Experimental program
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Effect test

Embodiment Construction

[0006] figure 1 It is shown that the fibrous web W travels forward from the roll 6 in normal operation of the fibrous web. Instead of rollers, a belt loop, for example a metal belt loop, can also be used. The device according to the invention is a support 4 for knives arranged on a support 1 connected to a support structure, on which support a knives holder 7 is integrated. The actual knife 5 is fixed on this knife holder so as to be rotatable about it. The tool holder is rotated about the support 4 by means of a change in the pressure difference between the pressure hose 2 on the load side and the pressure hose 3 on the return position side. During operation, the pressures in the two hoses are connected and the knife 5 is separated from the surface of the roller 6 by means of the pressure prevailing in the hoses. The knives 5 are arranged as close as possible to the surface of the roll. For example, in the case of a web break, a quick relief valve (Schnellabbauventil) is ...

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PUM

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Abstract

The present invention relates to an arrangement for guiding a fiber web (W) to be handled from a surface of a roller or belt cycle during normal operation in a paper-/tissue paper-/cardboard- or after-treatment machine so as to prevent the fiber web from winding around the roller or the belt cycle. The arrangement has a scraper-type blade (5) extending in a transverse direction of the roller (6) or metal belt cycle and detachably arranged in a surface of the roller or belt cycle during normal operation of the fiber web (W). The blade has pressure pipes (2, 3) for guiding the fiber web (W) using rapid-motion against the surface of the roller (6) or belt cycle.

Description

technical field [0001] The invention relates to a method for removing a fibrous web to be treated in a paper / tissue / board machine or finishing machine from the surface of a roll located in the machine or in the machine during web infeed or web breaking A device in which the surface of the belt loop is guided away to prevent the fiber web from winding around the roll or belt loop. Background technique [0002] During web infeed or web break, the web infeed belt or the web follows the surface of the roll or the surface of the belt eg in a belt calender. This leads to so-called winding, where the web is wound around a roll or around a belt. Dangerous situations can arise here. Contents of the invention [0003] The object of the invention is to provide a relatively simple and reliable technical solution whereby such winding can be prevented. To achieve this, the device according to the invention is characterized in that it has at least one doctor-like knife extending trans...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21G1/00
CPCD21G9/0063D21G3/005D21F7/04B65H26/025D21G5/00D21G9/0009
Inventor 马尔库·基尔韦斯迈基
Owner METSO PAPER INC
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