EP0769464A2 - Parois de connexion d'un caisson de soufflage - Google Patents

Parois de connexion d'un caisson de soufflage Download PDF

Info

Publication number
EP0769464A2
EP0769464A2 EP96114133A EP96114133A EP0769464A2 EP 0769464 A2 EP0769464 A2 EP 0769464A2 EP 96114133 A EP96114133 A EP 96114133A EP 96114133 A EP96114133 A EP 96114133A EP 0769464 A2 EP0769464 A2 EP 0769464A2
Authority
EP
European Patent Office
Prior art keywords
blow box
connecting wall
box according
paper
side walls
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96114133A
Other languages
German (de)
English (en)
Other versions
EP0769464A3 (fr
EP0769464B1 (fr
Inventor
Jens Krüger
Rudolf Beisswanger
Walter Kaipf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Sulzer Papiermaschinen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voith Sulzer Papiermaschinen GmbH filed Critical Voith Sulzer Papiermaschinen GmbH
Publication of EP0769464A2 publication Critical patent/EP0769464A2/fr
Publication of EP0769464A3 publication Critical patent/EP0769464A3/fr
Application granted granted Critical
Publication of EP0769464B1 publication Critical patent/EP0769464B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/13—Means using fluid made only for exhausting gaseous medium pressure arrangement for compensating weight of handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/23—Winding machines
    • B65H2408/232—Winding beds consisting of two rollers
    • B65H2408/2321—Winding beds consisting of two rollers with winding bed supplied with vacuum or compressed air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/12—Density

Definitions

  • the invention relates to a blow box according to the preamble of claim 1.
  • the winding hardness plays a role for the subsequent processing.
  • the winding hardness should drop from a certain initial value to an end value.
  • the waste should be as even as possible from the first to the last layer. It should have a certain gradient, i.e. not too strong and not too weak.
  • the course of the winding hardness should under no circumstances have jump points, e.g. a sudden drop.
  • compressed air is used in winding devices, which enters through the compressed air connection into the pressure-tight chamber under the paper winding. Air volume or air pressure can be controlled according to the growing weight of the reel. It is also possible to section the chamber over its length - ie across the web width - into individual chambers, and to provide each of these individual chambers with a pressure connection. In this way, the deflection of the winding can also be compensated for.
  • a winding device is known from EP 91914763, which has a blow box which can be removed from its working position by pivoting or moving.
  • the blow box has a very large construction volume and a correspondingly high weight.
  • it extends over the entire length of the changing bed, which can measure several meters, and that its weight is many hundreds of kilograms. This requires a complex movement mechanism with an appropriate drive.
  • the process or pivoting of the blow box takes up a very considerable amount of space, which is often not available.
  • the invention has for its object to provide a blow box according to the preamble of claim 1, which remains stationary when you want to remove paper residue after tearing off the paper web. This is to avoid a complex movement mechanism with associated drive for this case and also to achieve a smaller installation space for the entire machine.
  • a blow box 1 of a winding device with two side walls 1.1 and 1.2 is shown, which in one preferred embodiment can be designed to be stationary.
  • the paper roll is created by winding up a paper web 5.
  • the paper web 5 is brought in from the bottom left and wraps around the support roller 2.
  • the paper roll can be loaded in a controllable manner by a loading or rider roller in order to influence the print run.
  • the blow box 1 has sealing elements 7, 8 which produce a seal between the relevant walls of the blow box 1 and the respective support roller 2 or 3.
  • the connecting element 10 is arranged between the side walls 1.1 and 1.2.
  • the connecting wall 10 serves to collect such paper waste. If the paper waste lies on the connecting wall 10, it can be removed much more easily and quickly through one of the two end faces of the blow box 1 than if it were lying on the bottom of the blow box 1.
  • the removal of the paper waste can also be automated, for example by means of a scratch or a rotating conveyor belt.
  • the connecting wall 10 also has to perform the following functions:
  • the connecting wall has 10 perforations.
  • said perforation of the connecting wall could be distributed according to a certain pattern. It would be conceivable that the size or the number of bores in the connecting wall decrease towards the end regions. This could be useful because the paper roll bends particularly strongly in the middle area.
  • a blind could also be assigned to the connecting wall 10, with which it is possible to arbitrarily change the throughput of the individual compressed air flows which pass through the bores of the connecting wall 10.
  • FIG. 2 Another embodiment of the invention is shown in FIG.
  • the blow box 1 and the two seals 7, 8 can be seen there again.
  • the blow box 1 according to FIG. 2 has, in addition to the connecting wall 10, stiffening ribs 11 which connect the side wall 1.1 to the side wall 1.2 of the blow box.
  • stiffening ribs 11 which connect the side wall 1.1 to the side wall 1.2 of the blow box.
  • sheets 14 are attached, with which the air supply line 1.3 is fastened in the blow box.
  • the connecting wall 10 which can be perforated, also serves in the illustrated embodiment to collect the paper residues when the paper web is torn off.
  • the connecting wall 10 is, however, also arranged inclined between the side walls 1.1 and 1.2 in such a way that the paper remnants can slide downward in the blow box independently.
  • the blow box 1 in the embodiment according to FIG. 2 has an opening 12 let into the side wall 1.1.
  • a device for closing is arranged in front of the opening 12, for example, as shown, a flap 13 which is pivotally mounted on the main part of the blow box 1 - see pivot axis 13.1.
  • the paper web 5 now tears, the paper residues are caught by the connecting wall, slide due to the inclination of the connecting wall 10 to the opening 12 and collect there. The paper remnants can then be easily removed after opening the flap 13 arranged in front of the opening 12.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Winding Of Webs (AREA)
  • Cartons (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Indole Compounds (AREA)
  • Refuse Collection And Transfer (AREA)
  • Refuse Receptacles (AREA)
EP96114133A 1995-10-19 1996-09-04 Parois de connexion d'un caisson de soufflage Expired - Lifetime EP0769464B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19538972 1995-10-19
DE19538972A DE19538972A1 (de) 1995-10-19 1995-10-19 Blaskasten-Verbindungswand

Publications (3)

Publication Number Publication Date
EP0769464A2 true EP0769464A2 (fr) 1997-04-23
EP0769464A3 EP0769464A3 (fr) 1997-11-19
EP0769464B1 EP0769464B1 (fr) 2001-03-28

Family

ID=7775285

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96114133A Expired - Lifetime EP0769464B1 (fr) 1995-10-19 1996-09-04 Parois de connexion d'un caisson de soufflage

Country Status (6)

Country Link
EP (1) EP0769464B1 (fr)
JP (1) JPH09110244A (fr)
AT (1) ATE200066T1 (fr)
CA (1) CA2188340A1 (fr)
DE (2) DE19538972A1 (fr)
ES (1) ES2155910T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0987204A1 (fr) * 1998-09-15 2000-03-22 Voith Sulzer Papiertechnik Patent GmbH Dispositif pour enrouler des bandes
EP0953530A3 (fr) * 1998-04-28 2000-06-07 Voith Sulzer Papiermaschinen Gesellschaft mbH Dispositif d' enroulement, spécialement pour une refendeuse

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI116731B (fi) 2001-06-26 2006-02-15 Metso Paper Inc Päällepuhallusjärjestelmä paperikoneen tai vastaavan kuivatusosassa

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4110047A1 (de) * 1990-08-23 1992-10-01 Jagenberg Ag Tragwalzen-wickelmaschine
FI103398B (fi) * 1993-06-30 1999-06-30 Metso Paper Inc Kantotelarullain
ES2119057T5 (es) * 1994-01-31 2001-12-16 Voith Sulzer Papiertech Patent Maquina arrolladora para arrollar una banda de papel continuo.
DE9414449U1 (de) * 1994-09-06 1996-01-11 Beloit Technologies, Inc., Wilmington, Del. Wickelmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953530A3 (fr) * 1998-04-28 2000-06-07 Voith Sulzer Papiermaschinen Gesellschaft mbH Dispositif d' enroulement, spécialement pour une refendeuse
US6705562B1 (en) 1998-04-28 2004-03-16 Voith Sulzer Papiertechnik Patent Gmbh Roll winding device and method of increasing rigidity of such device
EP0987204A1 (fr) * 1998-09-15 2000-03-22 Voith Sulzer Papiertechnik Patent GmbH Dispositif pour enrouler des bandes
US6360983B1 (en) 1998-09-15 2002-03-26 Voith Sulzer Sulzer Papiertechnik Patent Gmbh Reel winding device and process for supporting a winding reel

Also Published As

Publication number Publication date
JPH09110244A (ja) 1997-04-28
DE59606659D1 (de) 2001-05-03
DE19538972A1 (de) 1997-04-24
EP0769464A3 (fr) 1997-11-19
ES2155910T3 (es) 2001-06-01
EP0769464B1 (fr) 2001-03-28
ATE200066T1 (de) 2001-04-15
CA2188340A1 (fr) 1997-04-20

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