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Method in a continuously operating unwind for a fibre web, in particular for a paper or board web, and a continuously operating unwind for a fibre web, in particular for a paper or board web

A fiber web and equipment technology, applied in the field of continuous operation uncoiling equipment, can solve the problems of increasing web breakage and deterioration of adhesion

Active Publication Date: 2011-04-13
METSO PAPER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Another drawback is that, when the diameter profile of the machine roll to be spliced ​​is carrot-shaped, the splicing rollers cannot follow this profile, which worsens the adhesion of the splice and will increase the risk of web breaks

Method used

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  • Method in a continuously operating unwind for a fibre web, in particular for a paper or board web, and a continuously operating unwind for a fibre web, in particular for a paper or board web
  • Method in a continuously operating unwind for a fibre web, in particular for a paper or board web, and a continuously operating unwind for a fibre web, in particular for a paper or board web
  • Method in a continuously operating unwind for a fibre web, in particular for a paper or board web, and a continuously operating unwind for a fibre web, in particular for a paper or board web

Examples

Experimental program
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Embodiment Construction

[0025] In the figures, the web being wound is indicated by the reference W; the splicing roll is indicated by the reference 12; the web guide roll of the splicing device is indicated by the reference 11; the new machine roll is indicated by the reference 13 indicates that after splicing it becomes uncoiled from said new machine reel; the old machine reel is indicated by reference numeral 10 from which the web was uncoiled before splicing. The cutting blade of the cutting device of the web W is indicated by reference numeral 15 . In splicing, the old web is brought close to the face of the new machine roll 13 and the web is pressed against the face of the machine roll 13 using the splicing roll 12 . The old web is cut with a cutting knife 15 . The guard 16 prevents shredded paper from entering the splicing-related nip between the splicing roll 12 and the new machine roll 13 , ie the splicing nip. In addition to the splicing roll 12, the splicing device thus comprises at least...

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Abstract

The invention relates to a method in a continuously operating unwind for a fibre web, in particular for a paper or board web, in which unwind a machine reel is unwound in a primary station and in a secondary station, and in which a new machine reel (13) brought to the unwind is joined at full speed to a web (W) of an emptying machine reel (10) by means of a splice roll (12) of a splicing device. In the method the old machine reel (10) and the new machine reel (13) are moved substantially horizontally. In the method the new machine reel (13) and the old machine reel (10) are moved by means of two pairs of linearly movable carriages such that the unwinding starts on a pair of carriages that has a primary brake gen not erator for control of web tension, acceleration of the new machine reel (13) to unwind speed being carried out while the carriage moves towards the primary winding station. The invention also relates to a continuously operating unwind for a fibre web, in particular for a paper or board web, for carrying out the method. The unwind comprises a primary station and a secondary station as well as a splicing device comprising a splice roll (12) and a web guide roll (11), which unwind comprises means for moving an emptying machine reel (10) and a new machine reel (13) substantially horizontally. The unwind further comprises two pairs of linearly movable carriages and that both pairs of carriages comprise a brake generator.

Description

Technical field [0001] The present invention involves a method of continuously operating rolling device for fibroma material, especially paper width or cardboard width. [0002] The present invention also involves a continuous operating rolling device for fibroma material, especially paper width or cardboard width, which is used to perform the method. Background technique [0003] The outside coating machine uses a continuous operating roll -up device. In the opening device, the new machine volume (Machine Reel) sent to the roll -up device is connected to the end of the empty machine roll at full speed.The ending of the splicing part with a double -sided bonding belt on the new machine roll is prepared to connect the part of the material to the surface of the volume.The surface speed of the new machine roll is accelerated to as close to the operating speed of the machine as possible; after that, the material on the empty machine roll is pressed on the above stitching part through...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H19/18
CPCB65H19/1863B65H2301/41361B65H19/1815B65H2301/46412B65H2301/41734B65H19/126
Inventor 泰波·科乔马尔科·蒂立凯宁珀特里·阿西凯宁蒂莫·T·海迈莱伊宁
Owner METSO PAPER INC
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