EP0568785A1 - Mounting of hot plates for a corrugator heating device - Google Patents

Mounting of hot plates for a corrugator heating device Download PDF

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Publication number
EP0568785A1
EP0568785A1 EP93103493A EP93103493A EP0568785A1 EP 0568785 A1 EP0568785 A1 EP 0568785A1 EP 93103493 A EP93103493 A EP 93103493A EP 93103493 A EP93103493 A EP 93103493A EP 0568785 A1 EP0568785 A1 EP 0568785A1
Authority
EP
European Patent Office
Prior art keywords
heating
fastening device
heating plate
rod
attached
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
EP93103493A
Other languages
German (de)
French (fr)
Other versions
EP0568785B1 (en
Inventor
Andreas Knorr
Dietmar Blaschke
Richard Kohl
Uwe Panckow
Helmut Kliesch
Hermann Fisser
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Bayerische Berg Hutten und Salzwerke AG
BHS Corrugated Maschinen und Anlagenbau 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 BHS Bayerische Berg Hutten und Salzwerke AG, BHS Corrugated Maschinen und Anlagenbau GmbH filed Critical BHS Bayerische Berg Hutten und Salzwerke AG
Publication of EP0568785A1 publication Critical patent/EP0568785A1/en
Application granted granted Critical
Publication of EP0568785B1 publication Critical patent/EP0568785B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/285—Heating or drying equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/105—Drying webs by contact with heated surfaces other than rollers or drums
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1016—Transverse corrugating
    • Y10T156/1021—Treating material of corrugated lamina or dry adhesive thereon to render tacky

Definitions

  • the invention relates to a fastening device for heating plates of a heating device of a corrugated cardboard system according to the preamble of patent claim 1.
  • the heating plates are loosely supported on side members. Their tops form a flat, horizontal heating surface over which the corrugated cardboard web to be dried is guided. These heating plates are e.g. heated by superheated steam. As a result of temperature differences between the top and bottom, there is a risk that the top and thus the heating surface of the heating plates will bend. The corrugated cardboard web then heats up unevenly.
  • the invention has for its object to attach the heating plates by means of a fastening device so that they are adjustable for a flat, horizontal heating surface and the plane is retained as a surface even in the axial direction due to the effects of heat.
  • the fastening device allows easy adjustment of the top of the heating plate for a flat, horizontal heating surface. Its structure is relatively simple. In addition, the fastening device ensures the required flatness of the heating surface even when the heating plates expand due to the action of heat.
  • the heating device 1 for a corrugated cardboard system consists of several heating plates 2, which are arranged one behind the other with a gap 3 in the running direction I of the corrugated cardboard web, not shown.
  • the heating plates 2 can, for example, be heated by superheated steam as usual.
  • Their dimension in the running direction I of the corrugated cardboard web is considerably smaller than transverse to it.
  • the heating plates 2 form a heating surface 5 for the corrugated cardboard web running over them, which is level and horizontal.
  • the fastening device 7 consists of two fastenings 8, 9, near the ends 10, 11 in the longitudinal direction and running direction I of the corrugated cardboard web.
  • the fastenings 8, 9 lie in a longitudinal center plane Y-Y.
  • fastenings 8, 9 have a central, spatially fixed frame support 12, for example in the form of a U-rail. On one Leg 15 of this rail, a short threaded rod 13 is attached. One end of the threaded rod 13 is attached to the heating plate 2 and secured by means of a lock nut. The other end of the threaded rod 13 is connected via nuts 14 to one U-leg 15 of the fixed frame support 12.
  • Fixings 16, 17, 18 and 19 are provided in the area of each corner of the heating plate 2.
  • the fastenings 16, 17 and 18, 19 lie with the fastenings 8 and 9 in common transverse planes X-X.
  • long threaded rods 20 are adjustably connected to the underside of the heating plate 2 and secured by lock nuts. The other end of the rod is connected to holders 21 fixed to the frame via adjusting nuts 22.
  • the threaded rods 13 and 20 and the adjusting nuts 14 and 22 make it possible to bring the upper side 4 of the individual heating plates 2 into alignment with the heating surface 5.
  • the length and the diameter of the threaded rod 13 are dimensioned such that the expansion in the direction Fx (FIG. 3) and Fl is possible as a result of heating, without the flatness of the heating surface 5 being lost.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Surface Heating Bodies (AREA)

Abstract

The fixing apparatus for hotplates (2) of a heating apparatus of a corrugated board plant provides for each hotplate (2) to be fixed on a dimensionally rigid and stationary frame (6), and for the hotplate ends to be supported via movable bearings (16, 17, 18, 19). As a result, an even heating surface is maintained for the web of corrugated board guided over it, even with limited expansion of the hotplates as a consequence of the action of heat. <IMAGE>

Description

Die Erfindung betrifft eine Befestigungsvorrichtung für Heizplatten einer Heizvorrichtung einer Wellpappenanlage nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a fastening device for heating plates of a heating device of a corrugated cardboard system according to the preamble of patent claim 1.

Bei bekannten Heizvorrichtungen für Wellpappenanlagen sind die Heizplatten lose auf Längsträger aufgelagert. Ihre Oberseiten bilden eine ebene, horizontale Heizfläche, über die die zu trocknende Wellpappenbahn geführt wird. Diese Heizplatten werden z.B. mittels Heißdampf erhitzt. Infolge Temperaturunterschieden zwischen Oberseite und Unterseite besteht die Gefahr, daß sich die Oberseite und damit die Heizfläche der Heizplatten krümmt. Es tritt dann eine ungleichmäßige Erhitzung der Wellpappenbahn ein.In known heating devices for corrugated cardboard systems, the heating plates are loosely supported on side members. Their tops form a flat, horizontal heating surface over which the corrugated cardboard web to be dried is guided. These heating plates are e.g. heated by superheated steam. As a result of temperature differences between the top and bottom, there is a risk that the top and thus the heating surface of the heating plates will bend. The corrugated cardboard web then heats up unevenly.

Der Erfindung liegt die Aufgabe zugrunde, die Heizplatten mittels einer Befestigungsvorrichtung so zu befestigen, daß sie für eine ebene, horizontale Heizfläche einstellbar sind und die Ebene als Fläche auch bei Ausdehnung in axialer Richtung infolge Wärmeeinwirkungen erhalten bleibt.The invention has for its object to attach the heating plates by means of a fastening device so that they are adjustable for a flat, horizontal heating surface and the plane is retained as a surface even in the axial direction due to the effects of heat.

Die Erfindung löst diese Aufgabe mit den kennzeichnenden Merkmalen des Patentanspruches 1.The invention solves this problem with the characterizing features of claim 1.

Die Befestigungsvorrichtung erlaubt eine leichte Einstellung der Heizplattenoberseite für eine ebene, horizontale Heizfläche. Ihr Aufbau ist verhältnismäßig einfach. Zudem gewährleistet die Befestigungsvorrichtung die geforderte Planität der Heizfläche auch bei Ausdehnung der Heizplatten infolge Wärmeeinwirkung.The fastening device allows easy adjustment of the top of the heating plate for a flat, horizontal heating surface. Its structure is relatively simple. In addition, the fastening device ensures the required flatness of the heating surface even when the heating plates expand due to the action of heat.

Weitere Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Further refinements of the invention result from the subclaims.

Die Erfindung wird nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. In der Zeichnung zeigen:

Fig. 1
eine Teilseitenansicht einer Heizvorrichtung für eine Wellpappenanlage mit einer Befestigungsvorrichtung für jede Heizplatte;
Fig. 2
eine Teildraufsicht.
Fig. 3
einen schematischen Querschnitt nach der Linie III-III in Fig. 1;
The invention is explained in more detail below with reference to an embodiment shown in the drawing. The drawing shows:
Fig. 1
a partial side view of a heating device for a corrugated cardboard system with a fastening device for each heating plate;
Fig. 2
a partial top view.
Fig. 3
a schematic cross section along the line III-III in Fig. 1;

Die Heizvorrichtung 1 für eine Wellpappenanlage besteht wie üblich aus mehreren Heizplatten 2, die in Laufrichtung I der nicht dargestellten Wellpappenbahn hintereinander mit einem Spalt 3 angeordnet sind. Die Heizplatten 2 können zum Beispiel wie üblich durch Heißdampf beheizt werden. Ihre Abmessung in Laufrichtung I der Wellpappenbahn ist erheblich kleiner als quer dazu.The heating device 1 for a corrugated cardboard system, as usual, consists of several heating plates 2, which are arranged one behind the other with a gap 3 in the running direction I of the corrugated cardboard web, not shown. The heating plates 2 can, for example, be heated by superheated steam as usual. Their dimension in the running direction I of the corrugated cardboard web is considerably smaller than transverse to it.

Die Heizplatten 2 bilden mit ihren Oberseiten 4 für die darüberlaufende Wellpappenbahn eine Heizfläche 5, die eben und horizontal ausgerichtet ist.With their tops 4, the heating plates 2 form a heating surface 5 for the corrugated cardboard web running over them, which is level and horizontal.

Zur Befestigung der Heizplatten 2 dient eine Befestigungsvorrichtung 7, die auf den festen Rahmen 6 montiert ist. Diese erlaubt es, die Oberseiten 4 der Heizplatten 2 auf einfache Weise eben auszurichten und die Ausdehnung der Heizplatten 2 bei Erwärmung zuzulassen, dabei aber die ebene Heizfläche 5 beizubehalten. Die Befestigungsvorrichtung 7 besteht aus zwei Befestigungen 8, 9, nahe den Enden 10, 11 in Längsrichtung und Laufrichtung I der Wellpappenbahn. Die Befestigungen 8, 9 liegen in einer Längsmittelebene Y-Y.A fastening device 7, which is mounted on the fixed frame 6, is used to fasten the heating plates 2. This allows the top sides 4 of the heating plates 2 to be aligned in a simple manner and to allow the heating plates 2 to expand when heated, but at the same time to maintain the flat heating surface 5. The fastening device 7 consists of two fastenings 8, 9, near the ends 10, 11 in the longitudinal direction and running direction I of the corrugated cardboard web. The fastenings 8, 9 lie in a longitudinal center plane Y-Y.

Diese Befestigungen 8, 9 weisen einen mittigen, raumfesten Gestellträger 12, z.B. in Form einer U-Schiene auf. An dem einen Schenkel 15 dieser Schiene ist eine kurze Gewindestange 13 befestigt. Das eine Ende der Gewindestange 13 ist dabei an der Heizplatte 2 befestigt und mittels einer Kontermutter gesichert. Das andere Ende der Gewindestange 13 ist über Muttern 14 einstellbar mit dem einen U-Schenkel 15 des raumfesten Gestellträgers 12 verbunden.These fastenings 8, 9 have a central, spatially fixed frame support 12, for example in the form of a U-rail. On one Leg 15 of this rail, a short threaded rod 13 is attached. One end of the threaded rod 13 is attached to the heating plate 2 and secured by means of a lock nut. The other end of the threaded rod 13 is connected via nuts 14 to one U-leg 15 of the fixed frame support 12.

Im Bereich jeder Ecke der Heizplatte 2 sind Befestigungen 16, 17, 18 und 19 vorgesehen. Die Befestigungen 16, 17 bzw. 18, 19 liegen dabei mit den Befestigungen 8 bzw. 9 in gemeinsamen Querebenen X-X. Hierzu sind lange Gewindestangen 20 einstellbar mit der Unterseite der Heizplatte 2 verbunden und durch Kontermuttern gesichert. Das andere Stangenende ist mit gestellfesten Haltern 21 über Einstellmuttern 22 verbunden.Fixings 16, 17, 18 and 19 are provided in the area of each corner of the heating plate 2. The fastenings 16, 17 and 18, 19 lie with the fastenings 8 and 9 in common transverse planes X-X. For this purpose, long threaded rods 20 are adjustably connected to the underside of the heating plate 2 and secured by lock nuts. The other end of the rod is connected to holders 21 fixed to the frame via adjusting nuts 22.

Durch die Gewindestangen 13 bzw. 20 und die Einstellmuttern 14 bzw. 22 ist es möglich, die Oberseite 4 der einzelnen Heizplatten 2 in eine fluchtende Lage mit der Heizfläche 5 zu bringen.The threaded rods 13 and 20 and the adjusting nuts 14 and 22 make it possible to bring the upper side 4 of the individual heating plates 2 into alignment with the heating surface 5.

Die Länge und der Durchmesser der Gewindestange 13 ist dabei so bemessen, daß die Ausdehnung in Richtung Fx (Fig. 3) und Fl infolge Erwärmung möglich ist, ohne daß die Planität der Heizfläche 5 verloren geht.The length and the diameter of the threaded rod 13 are dimensioned such that the expansion in the direction Fx (FIG. 3) and Fl is possible as a result of heating, without the flatness of the heating surface 5 being lost.

Claims (5)

Befestigungsvorrichtung für Heizplatten einer Heizvorrichtung einer Wellpappenanlage, dadurch gekennzeichnet,
daß jede Heizplatte (2) an einem formsteifen und raumfesten Rahmen (6) befestigt ist und
daß die Heizplattenenden über Loslager (16, 17, 18, 19) abgestützt sind.Fastening device for heating plates of a heating device of a corrugated cardboard system, characterized in that
that each heating plate (2) is attached to a dimensionally stable and fixed frame (6) and
that the heating plate ends are supported via floating bearings (16, 17, 18, 19). Befestigungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jede Heizplatte (2) an jedem Ende (10, 11) an einem in der Längsmittelebene (Y-Y) verlaufenden Gestellträger (12) befestigt ist.Fastening device according to claim 1, characterized in that each heating plate (2) is fastened at each end (10, 11) to a frame support (12) running in the longitudinal center plane (YY). Befestigungsvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jede rechteckförmige Heizplatte (2) an jeder Ecke über Loslager (16, 17, 18, 19) abgestützt ist.Fastening device according to claim 1 or 2, characterized in that each rectangular heating plate (2) is supported at each corner by movable bearings (16, 17, 18, 19). Befestigungsvorrichtung nach den Ansprüchen 1 oder 3, dadurch gekennzeichnet, daß jedes Loslager (16, 17, 18, 19) eine lange Stange (20) aufweist, deren eines Ende an der Heizplatte (2) und deren anderes Ende an einem Gestellhalter (21) befestigt ist und daß die Länge und der Querschnitt dieser Stange so bemessen ist, daß sie den durch Wärmeausdehnung hervorgerufenen Verformungskräften nachgeben kann, so daß die geforderte Planität der Heizfläche (6) aufrechterhalten wird.Fastening device according to claims 1 or 3, characterized in that each floating bearing (16, 17, 18, 19) has a long rod (20), one end of which is on the heating plate (2) and the other end of which is on a frame holder (21) is attached and that the length and cross section of this rod is dimensioned so that it is due to thermal expansion caused yielding deformation forces, so that the required flatness of the heating surface (6) is maintained. Befestigungsvorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß jede Stange (20) am Gestellhalter (21) einstellbar befestigt ist.Fastening device according to claim 4, characterized in that each rod (20) is adjustably attached to the frame holder (21).
EP93103493A 1992-05-07 1993-03-04 Mounting of hot plates for a corrugator heating device Expired - Lifetime EP0568785B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4215086 1992-05-07
DE4215086A DE4215086A1 (en) 1992-05-07 1992-05-07 Fastening device for heating plates of a heating device of a corrugated cardboard system

Publications (2)

Publication Number Publication Date
EP0568785A1 true EP0568785A1 (en) 1993-11-10
EP0568785B1 EP0568785B1 (en) 1996-09-11

Family

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Family Applications (1)

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EP93103493A Expired - Lifetime EP0568785B1 (en) 1992-05-07 1993-03-04 Mounting of hot plates for a corrugator heating device

Country Status (3)

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US (1) US5417394A (en)
EP (1) EP0568785B1 (en)
DE (2) DE4215086A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0707946A3 (en) * 1994-10-18 1996-07-24 Bhs Corr Masch & Anlagenbau Heating device for a paper corrugating system
EP0768170A1 (en) * 1995-10-13 1997-04-16 Marquip, Inc. Fabricated hot plate, particularly for corrugated paperboard making
WO1998002298A1 (en) * 1996-07-17 1998-01-22 Marquip, Inc. Aparatus and method for leveling and supporting the hot plates in a double backer for corrugated paperboard

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6382584B1 (en) * 1999-03-22 2002-05-07 Dresser-Rand Company Self leveling machine support
KR101364279B1 (en) 2008-11-25 2014-02-18 미츠비시주코 인사츠시코키카이 가부시키가이샤 Heat plate for manufacturing double-sided corrugated cardboard sheet, and double facer

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DE2213745A1 (en) * 1972-03-22 1973-10-04 Peters Maschf Werner H K HEATING PLATE, IN PARTICULAR FOR A CORRUGATED CARDBOARD GLUING MACHINE
DE2217833A1 (en) * 1972-04-13 1973-10-25 Peters Maschf Werner H K HEATING DEVICE FOR TAPE-SHAPED MATERIAL, IN PARTICULAR IN A CORRUGATED BOARD GLUING MACHINE
GB1433001A (en) * 1972-05-10 1976-04-22 Thielmann Geb Ag Cooker hob
EP0342552A2 (en) * 1988-05-19 1989-11-23 Mitsubishi Jukogyo Kabushiki Kaisha Double facer

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Publication number Priority date Publication date Assignee Title
DE2213745A1 (en) * 1972-03-22 1973-10-04 Peters Maschf Werner H K HEATING PLATE, IN PARTICULAR FOR A CORRUGATED CARDBOARD GLUING MACHINE
DE2217833A1 (en) * 1972-04-13 1973-10-25 Peters Maschf Werner H K HEATING DEVICE FOR TAPE-SHAPED MATERIAL, IN PARTICULAR IN A CORRUGATED BOARD GLUING MACHINE
GB1433001A (en) * 1972-05-10 1976-04-22 Thielmann Geb Ag Cooker hob
EP0342552A2 (en) * 1988-05-19 1989-11-23 Mitsubishi Jukogyo Kabushiki Kaisha Double facer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0707946A3 (en) * 1994-10-18 1996-07-24 Bhs Corr Masch & Anlagenbau Heating device for a paper corrugating system
US5662765A (en) * 1994-10-18 1997-09-02 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Heating unit for a corrugated-board manufacturing plant
EP0768170A1 (en) * 1995-10-13 1997-04-16 Marquip, Inc. Fabricated hot plate, particularly for corrugated paperboard making
WO1998002298A1 (en) * 1996-07-17 1998-01-22 Marquip, Inc. Aparatus and method for leveling and supporting the hot plates in a double backer for corrugated paperboard

Also Published As

Publication number Publication date
EP0568785B1 (en) 1996-09-11
US5417394A (en) 1995-05-23
DE59303711D1 (en) 1996-10-17
DE4215086A1 (en) 1993-11-11

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