EP1371466B1 - Presse pour le pressage en continu - Google Patents

Presse pour le pressage en continu Download PDF

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Publication number
EP1371466B1
EP1371466B1 EP03020741A EP03020741A EP1371466B1 EP 1371466 B1 EP1371466 B1 EP 1371466B1 EP 03020741 A EP03020741 A EP 03020741A EP 03020741 A EP03020741 A EP 03020741A EP 1371466 B1 EP1371466 B1 EP 1371466B1
Authority
EP
European Patent Office
Prior art keywords
press
inlet
plate
adjustment
press part
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.)
Expired - Lifetime
Application number
EP03020741A
Other languages
German (de)
English (en)
Other versions
EP1371466A1 (fr
Inventor
Horst Weiss
Lothar Sebastian
Klaus Schürmann
Werner Gawlitta
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.)
Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Original Assignee
Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
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
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Priority claimed from DE19740325A external-priority patent/DE19740325C5/de
Priority claimed from DE19829741A external-priority patent/DE19829741C1/de
Priority claimed from DE19829742A external-priority patent/DE19829742C1/de
Application filed by Siempelkamp Maschinen und Anlagenbau GmbH and Co KG filed Critical Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Publication of EP1371466A1 publication Critical patent/EP1371466A1/fr
Application granted granted Critical
Publication of EP1371466B1 publication Critical patent/EP1371466B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
    • B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
    • B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/24—Moulding or pressing characterised by using continuously acting presses having endless belts or chains moved within the compression zone

Definitions

  • the invention relates to a continuous press for pressing pressed material mats to pressed product plates, with lower press part and upper press part, in the lower press part and press upper part endlessly circulating steel press belts, wherein at least one press plate is arranged in each of the press lower part and in the press upper part, wherein the steel press belts are supported on the press plates with the interposition of rolling elements, wherein a plurality of cylinder piston arrangements, esp. Differential cylinders, connected in a predetermined distribution to the upper and / or lower pressure plate to form a respective pressure system with one or more Wegaufêtn and supported against the press upper part and / or press lower part, wherein a hydraulic system is connected to a control or regulating device and a computer to the cylinder piston assemblies.
  • a continuous press is known in which the pressure in the inlet region increases in accordance with a steeply rising pressure curve to a high pressure region and after the high pressure region falls into a parabolic region approximately parabolic to a low pressure region.
  • This press is therefore to accommodate the press forces set up according to a compression pressure curve of particular characteristics (cf. DE 31 33 817 ).
  • the invention has for its object to provide a continuous press of the embodiment described above, in which can always set optimal conditions for the Pressgutmatten to be pressed and the settings of the press plates and / or inlet plates can be checked for their admissibility without design effort.
  • the invention in a generic continuous press in that the computer is in communication with the displacement transducers and / or the relevant printing system as a monitoring computer which, depending on the respective press plate setting or end position resulting from the pressure plate spacing and / or press plate pressure Tension checks for plausibility and possible overloading of the relevant press plate (s) and (only) if permissible, releases the respectively selected press plate setting or end position.
  • the invention provides that the computer with the transducers and / or the relevant printing system as a monitoring computer is in communication, depending on the respectively set inlet contour which results from the Einlaufplattenabstand and / or inlet plate pressure voltages for plausibility and eventual overload of the relevant inlet plate (s) (s) and (only) admits the respectively set inlet contour releases.
  • a system which initially knows certain default settings for each press plate and / or inlet plate in a database for the individual plate types. If a variation of the press plate setting and / or inlet contour is desired, an operator can make this press plate adjustment and / or set infeed contour. Before the resulting deformations of the pressure plates and / or inlet plates are released to the machine control of the press according to the invention, the admissibility of the desired positions is checked by means of the monitoring computer and a suitable program. In this review, however, not only the expected deformations of the press plates and / or inlet plates, but also the counterpressures to be expected from the press material mats to be pressed are included in order to assess the permissibility.
  • every adjustment of the press plates and / or inlet contour is checked for admissibility or inadmissibility.
  • permissibility of the inlet contour adjustment it is also possible to pass on the corresponding setpoint values to the downstream pressure plates. Consequently, the inventive concept of inlet monitoring can be transferred to the entire press and consequently also their press plates.
  • the invention provides that the monitoring computer with a permissible pressure plate adjustment and / or adjustment of the inlet contour a limit value for the press plate adjustment and / or the inlet contour depending on the respective mat height, the respective mat material (chip, MDF, OSB) and / or the respectively selected Plattenenddicke determined.
  • the monitoring computer with a permissible pressure plate adjustment and / or adjustment of the inlet contour a limit value for the press plate adjustment and / or the inlet contour depending on the respective mat height, the respective mat material (chip, MDF, OSB) and / or the respectively selected Plattenenddicke determined.
  • the monitoring computer determines an impermissible setting of the press plates and / or the inlet contour a limit for the mat height and / or the mat material and / or the plate thickness while maintaining the selected Pressplatteneingnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagna here / or the set inlet contour.
  • the monitoring computer can determine a limit for the mat speed and mat acceleration while maintaining the Pressplatteneingnagnagnagnagnal and / or set inlet contour with inadmissible Pressplatteneingnagnagnagnagnath, a limit value for the mat height and / or the mat material is inevitably also detected.
  • FIGS. 1 to 3 is a continuous press 1 for pressing Pressgutmatten 2 shown to Pressgutplatten in the course of the production of particleboard, fiberboard and other wood-based panels.
  • This press 1 has a press lower part 3 and a press upper part 4, with in the press base 3 and press upper part 4 endless rotating steel press belts 5 and with an inlet mouth E.
  • the press base 3 and in the press upper part 4 each have a heatable press plate 6, 7 is arranged from which according to the embodiment, the upper pressure plate 6 is adjustable against the lower pressing plate 7 for setting a press nip S.
  • the steel press belts 5 are supported on the press plates 6, 7 and the inlet plates 8, 9 with the interposition of rolling elements 10 and rolling rods. Furthermore, there is a device 11 for adjusting the inlet opening E and a device 12 for adjusting the inlet contour of the inlet opening E.
  • the device 12 for adjusting the inlet contour of the inlet opening E has a plurality of double-acting cylinder-piston arrangements, differential cylinders 13 in the embodiment.
  • the differential cylinder 13 are hinged in a predetermined distribution and according to the embodiment, on the one hand to the upper inlet plate 8 and / or on the lower inlet plate 9. On the other hand, the differential cylinder 13 against the Press upper part 4 and / or the press base 3 supported.
  • the differential cylinders 13 are connected to a not shown hydraulic system and a control / regulating device 18 with a computer 19. Further, a the inlet contour of the inlet mouth E scanning plurality of displacement sensors 20 on the upper and / or lower inlet plate 8, 9 is provided.
  • the computer is connected to the transducers 20 and / or the relevant printing system as a monitoring computer 19 in connection.
  • the monitoring computer 19 checks, depending on the respectively set inlet contour, the resulting from the Einlaufplattenabstand and / or inlet plate voltages tensions on plausibility and eventual overload of the relevant inlet plate (s) 8, 9. Only with admissibility of the monitoring computer 19 is the respectively set inlet contour free.
  • the transducer 16 the computer-aided detection and processing of the inlet contour of the inlet mouth E and are connected to the control / regulating device 18.
  • This also applies according to the embodiment for the cylinder piston assemblies or differential cylinder 13, which belong to the printing system.
  • the control / regulating device 18 realizes the respectively set intake contours of the intake mouth E, its checking for admissibility takes place by means of the correspondingly programmed monitoring computer 19. If the stresses resulting from the adjustment of the intake contour of the intake mouth E occur the inlet plates 8, 9 are outside the range of admissibility, the cylinder piston assemblies or differential cylinder 13 are depressurized. It is within the scope of the invention to monitor the entire pressing region, ie both the inlet plates 8, 9 and the pressing plates 6, 7 or the inlet opening E and the press nip S.
  • cylinder piston assemblies 21 also not shown hydraulic system with a control or regulating device 23 and a computer 24 is provided.
  • the computer is connected to the transducers 22 and / or the respective printing system as a monitoring computer 24, depending on the respective Pressplatteneingnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnagnadian or -endloid.
  • the monitoring computer 19 for the adjustment of the inlet contour can also be used as a monitoring computer for the press plate setting or end position, so that you can get by with a monitoring computer 19 or 24.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Control Of Presses (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Claims (5)

  1. Presse continue pour comprimer des nattes en matières à presser en panneaux en matières à presser, avec une partie inférieure de presse et une partie supérieure de presse, des bandes de compression en acier en rotation continue, dans la partie inférieure de la presse et dans la partie supérieure de la presse, étant disposée au moins une plaque de compression,
    les bandes de compression en acier s'appuyant sur les plaques de compression, sous intercalage de corps de roulement,
    pour le réglage des plaques de compression, une pluralité d'agencements de pistons de vérin, notamment de vérins différentiels étant raccordée selon une distribution prédéfinie sur la plaque de compression supérieure et/ou inférieure en formant chaque fois un - système de pression avec chacun un ou plusieurs capteurs de déplacement et s'appuyant contre la partie supérieure de la presse et/ou
    contre la partie inférieure de la presse
    un système hydraulique avec un dispositif de commande ou de réglage et un calculateur étant raccordé sur les agencements de pistons de vérin
    caractérisé en ce que
    le calculateur est en connexion avec les capteurs de déplacement (22) et/ou avec le système de pression concerné en tant que calculateur de supervision (24), qui en fonction du réglage ou de la position finale des plaques de compression concernées vérifie la plausibilité des tensions résultant de la distance entre les plaques de compression et/ou de la pression entre les plaques de compression et des surcharges éventuelles de la (des) plaque(s) de compression (6, 7) concernées et (ne) valide le réglage ou la position respectivement choisi(e) pour les plaques de compression qu'en cas d'admissibilité.
  2. Presse continue pour comprimer des nattes en matières à presser en panneaux en matières à presser en cours de fabrication de panneaux de particules, de panneaux de fibres ou d'autres panneaux en matériaux dérivés du bois, avec une partie inférieure de presse et une partie supérieure de presse, des bandes de compression en acier en rotation continue dans la partie inférieure de presse et dans la partie supérieure de presse et avec une bouche d'entrée,
    dans la partie inférieure de presse et dans la partie supérieure de presse étant disposée chaque fois une plaque de compression susceptible d'être chauffée et des plaques d'entrées susceptibles d'être chauffées saillant côté entrée se raccordant sur les plaques de compression en formant une bouche d'entrée,
    les bandes de compression en acier étant appuyées sur les plaques de compression et plaques d'entrée, sous intercalage de corps de roulement,
    pour le réglage du contour d'entrée de la bouche d'entrée, une pluralité d'agencements de pistons de vérins, notamment de vérins différentiels étant raccordée selon une distribution définie sur la plaque d'entrée supérieure et/ou inférieure en formant chaque fois un système de pression avec chaque fois un ou plusieurs capteurs de déplacement et étant appuyée contre la partie supérieure de presse et/ou la partie inférieure de presse,
    un système hydraulique avec un dispositif de commande ou de réglage et un calculateur étant raccordé sur les agencements de pistons de vérins,
    caractérisé en ce que
    le calculateur est en connexion avec les capteurs de déplacement (20) et/ou le système de pression concerné en tant que calculateur de supervision (19), qui en fonction du contour d'entrée respectivement réglé contrôle la plausibilité des tensions résultant de la distance entre les plaques d'entrée et/ou de la pression des plaques d'entrée et une éventuelle surcharge de la (des) plaque(s) d'entrée (8, 9) et ne valide le contour respectivement réglé qu'en cas d'admissibilité.
  3. Presse selon la revendication 1 ou 2, caractérisée en ce que si le réglage des plaques de compression et/ou le réglage du contour d'entrée sont inadmissibles, le calculateur de supervision (19, 24) détermine une valeur limite pour la hauteur des nattes, la matière des nattes et/ou l'épaisseur finale des panneaux.
  4. Presse selon la revendication 1 ou 2, caractérisée en ce que si le réglage des plaques de compression et/ou le réglage du contour d'entrée sont inadmissibles, le calculateur de supervision (19, 24), détermine une valeur limite pour la hauteur des nattes, la matière des nattes et/ou l'épaisseur des panneaux en gardant le réglage des plaques de compression et/ou du contour d'entrée réglé.
  5. Presse selon la revendication 1 ou 2, caractérisé en ce que si le réglage des plaques de compression et/ou le réglage du contour d'entrée sont inadmissibles, le calculateur de supervision (19, 24) détermine une valeur limite pour la vitesse des nattes et l'accélération des nattes, en gardant le réglage sélectionné de la plaque de compression et/ou le contour d'entrée réglé.
EP03020741A 1997-09-13 1998-09-09 Presse pour le pressage en continu Expired - Lifetime EP1371466B1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE19740325A DE19740325C5 (de) 1997-09-13 1997-09-13 Kontinuierliche Presse zum Verpressen von Preßgutmatten zu Preßgutplatten
DE19740325 1997-09-13
DE19829741 1998-07-03
DE19829741A DE19829741C1 (de) 1998-07-03 1998-07-03 Verfahren und Presse zum Verpressen, insbesondere kontinuierlichen Verpressen
DE19829742 1998-07-03
DE19829742A DE19829742C1 (de) 1998-07-03 1998-07-03 Kontinuierliche Presse
EP98117029A EP0901894B1 (fr) 1997-09-13 1998-09-09 Procédé et presse pour le pressage, en particulier pressage en continu

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP98117029A Division EP0901894B1 (fr) 1997-09-13 1998-09-09 Procédé et presse pour le pressage, en particulier pressage en continu
EP98117029.3 Division 1998-09-09

Publications (2)

Publication Number Publication Date
EP1371466A1 EP1371466A1 (fr) 2003-12-17
EP1371466B1 true EP1371466B1 (fr) 2011-06-29

Family

ID=27217743

Family Applications (3)

Application Number Title Priority Date Filing Date
EP98117029A Expired - Lifetime EP0901894B1 (fr) 1997-09-13 1998-09-09 Procédé et presse pour le pressage, en particulier pressage en continu
EP98117030A Expired - Lifetime EP0909620B1 (fr) 1997-09-13 1998-09-09 Presse continue pour le pressage de nattes en panneaux
EP03020741A Expired - Lifetime EP1371466B1 (fr) 1997-09-13 1998-09-09 Presse pour le pressage en continu

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP98117029A Expired - Lifetime EP0901894B1 (fr) 1997-09-13 1998-09-09 Procédé et presse pour le pressage, en particulier pressage en continu
EP98117030A Expired - Lifetime EP0909620B1 (fr) 1997-09-13 1998-09-09 Presse continue pour le pressage de nattes en panneaux

Country Status (5)

Country Link
US (2) US6098532A (fr)
EP (3) EP0901894B1 (fr)
CN (2) CN1188259C (fr)
CA (2) CA2244284C (fr)
DE (2) DE59812293D1 (fr)

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DE4405342B4 (de) * 1994-02-19 2004-05-27 Maschinenfabrik J. Dieffenbacher Gmbh & Co Kontinuierlich arbeitende Presse
DE4433641C1 (de) * 1994-09-21 1995-11-02 Siempelkamp Gmbh & Co Kontinuierliche Presse zum Verpressen von Preßgutmatten zu Preßgutplatten
DE4446091A1 (de) * 1994-12-22 1996-06-27 Dieffenbacher Gmbh Maschf Pressengestell
DE19518879A1 (de) * 1995-05-28 1996-12-05 Dieffenbacher Gmbh Maschf Verfahren und Anlage zur Herstellung von Spanplatten

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CA2244284C (fr) 2002-05-28
CN1224651A (zh) 1999-08-04
CN1188259C (zh) 2005-02-09
US6142068A (en) 2000-11-07
EP0901894B1 (fr) 2004-11-24
CA2244284A1 (fr) 1999-03-13
DE59812293D1 (de) 2004-12-30
EP1371466A1 (fr) 2003-12-17
EP0901894A3 (fr) 1999-05-12
EP0909620B1 (fr) 2003-11-19
EP0901894A2 (fr) 1999-03-17
CA2244283A1 (fr) 1999-03-13
EP0909620A2 (fr) 1999-04-21
EP0909620A3 (fr) 1999-05-19
CN1224650A (zh) 1999-08-04
DE59810212D1 (de) 2003-12-24
CN1076258C (zh) 2001-12-19
US6098532A (en) 2000-08-08
CA2244283C (fr) 2003-07-29

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