EP0909620B1 - Presse continue pour le pressage de nattes en panneaux - Google Patents

Presse continue pour le pressage de nattes en panneaux Download PDF

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Publication number
EP0909620B1
EP0909620B1 EP98117030A EP98117030A EP0909620B1 EP 0909620 B1 EP0909620 B1 EP 0909620B1 EP 98117030 A EP98117030 A EP 98117030A EP 98117030 A EP98117030 A EP 98117030A EP 0909620 B1 EP0909620 B1 EP 0909620B1
Authority
EP
European Patent Office
Prior art keywords
press
feed
inlet
cylinder
platens
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
EP98117030A
Other languages
German (de)
English (en)
Other versions
EP0909620A2 (fr
EP0909620A3 (fr
Inventor
Horst Weiss
Lothar Dipl.-Ing. Sebastian
Klaus Dipl.-Ing. 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27217743&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0909620(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19740325A external-priority patent/DE19740325C5/de
Priority claimed from DE19829742A external-priority patent/DE19829742C1/de
Priority claimed from DE19829741A external-priority patent/DE19829741C1/de
Application filed by Siempelkamp Maschinen und Anlagenbau GmbH and Co KG filed Critical Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Publication of EP0909620A2 publication Critical patent/EP0909620A2/fr
Publication of EP0909620A3 publication Critical patent/EP0909620A3/fr
Application granted granted Critical
Publication of EP0909620B1 publication Critical patent/EP0909620B1/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 into pressed material boards in the course of the production of chipboard, fiberboard and other wood-based panels, with press lower part and upper press part, in the lower part and upper part of the press, endlessly rotating steel press belts, and with an inlet mouth, wherein a heatable press plate is arranged in the lower press part and in the upper press part and adjoin the press plates protruding heatable inlet plates to form the inlet mouth, furthermore the steel sheet press belts are supported on the press plates and inlet plates with the interposition of rolling elements, and also a device for adjusting the Inlet edge of the inlet mouth and at least one device for adjusting the inlet contour of the inlet mouth are provided.
  • Such a press is known in which the Device for setting the inlet contour one Has contour slide on one of the concerned Guide plate assigned press spar and with With the help of an inlet contour actuator in the inlet direction is adjustable.
  • the inlet contour slide points to Inlet plate a plurality of transverse to the direction of entry trending steps that one belong to the contour-defining support staircase.
  • the Support stairs are assigned at least one counter bar, which is connected to the relevant inlet plate.
  • the device for adjusting the inlet plate is the counter bar can be selected against one of the levels of Support stairs can be put on. In this way, the Leading edges of the inlet mouth to different adjust operational conditions.
  • that is Adjustment of the bending lines of the relevant inlet plate only gradually and consequently in limited areas possible, with only a trumpet-shaped Enema mouth can be realized (see. DE 44 33 641).
  • a continuous press is also known at which is the top of the two heated inlet plates divided into plate sections to form joints is, so that the inlet contour of the inlet mouth in the Hinge areas has kinks. This also applies to the transition area between the upper inlet plate and the subsequent upper press plate.
  • This known embodiment is by means of hydraulic Actuators only the angular position of the plate sections adjusted around the axes of rotation of the joints. Especially problematic is the fact that the assigned Sheet steel press belt when driving over the kinks experiences corresponding bends and consequently one is subject to immediate wear and tear (cf. DE 195 18 879).
  • the invention has for its object a continuous Press the described above
  • To create embodiment in which the Inlet contour of the inlet mouth is steplessly generated can set any continuous bending lines and even an almost parallel position from the top inlet plate and lower inlet plate up to the neutral zero line of the press inlet also for pressing extreme thin pressed material mats to perfect pressed material plates under Consideration of high production speeds is adjustable.
  • the invention solves this problem with a generic one continuous press in that the device for Setting the inlet contour a plurality of Cylinder piston assemblies has that the cylinder piston assemblies in a predetermined distribution on the one hand to the upper and / or lower inlet plate, on the other hand to the Upper press part and / or lower press part are articulated, and that the cylinder piston assemblies to a computer-controlled or -controlled hydraulic system connected are.
  • the cylinder piston arrangements are preferably around double-acting differential cylinders.
  • any and continuous bend lines are related on the upper inlet plate and possibly also in relation to the lower inlet plate by means of the tensile and / or compressive forces generating differential cylinder set so that the inlet contour in adaptation to the respective operating conditions every required bending radius can accept and therefore a fully variable press inlet is available.
  • that of the Press plates formed a press zone from the inlet plates formed clamping zone upstream. Such Clamping zone is required to e.g. B. in the manufacture of Press plates made of extremely thin mats with a Mat thickness of, for example, only 3 mm and below Consideration of high production speeds up to 1,000 mm / s to avoid mat breaking.
  • the upper inlet plate has a bending radius to the effect that between the upper Inlet plate and the lower inlet plate an almost Parallel position is reached, which extends up to extends below the neutral zero line of the press inlet. Almost parallel location means that a slight taper for running in and lightly clamping the relevant Pressed material mats is set.
  • the inlet mouth or his Inlet contour can also within the scope of the invention as before for the production of thick pressed boards in the previous mode of operation set trumpet-shaped be such that the compression from above and done almost evenly at the bottom. -
  • the setting of the Inlet contour depends on the to pressing mats and especially the mat thickness.
  • the mat values for the suitable bending lines or Bending radii of the upper and, if necessary, lower inlet plate can be done using a conventional path measurement technique record and send it to a computer.
  • This calculator determines the necessary correction values and influences the hydraulic control or regulation of the differential cylinders in such a way that the inlet plate in question or plates in the desired by tensile and compressive forces Be brought into shape.
  • differential cylinders are preferred in longitudinal rows and possibly transverse rows on the top and / or articulated lower inlet plate and have the inlet plates in the longitudinal direction of the board or in the direction of entry running channels for the heating medium.
  • the embodiment is based on the knowledge that longitudinally drilled inlet plates in the course of adjustment the bending lines or bending radii of the differential cylinders generated bending moments as opposed to transverse drilled inlet plates taking into account the occurring voltage states take up much cheaper can.
  • Another embodiment of the invention provides that the Differential cylinder gimbal on the upper and / or lower inlet plate and on the press top and / or Press lower part are hinged, and that the articulation of the Differential cylinder on the upper and / or lower Inlet plate with thermal insulation is made.
  • the gimbals Joints of the differential cylinders with interposition supported by insulating material against the inlet plates be, which in turn with the interposition of Thermal insulation on frame parts of press top and Press base can support.
  • the Hydraulic supply to the differential cylinder under Interposition of a cooling device with a heat exchanger to be done taking into account the heated inlet plates occurring relatively high Temperatures ensure that the differential cylinders work properly to ensure.
  • This press instructs Press lower part 3 and an upper press part 4, namely with endless in the lower press part 3 and upper press part 4 circumferential sheet steel press belts 5 and with a Inlet jaw E.
  • a heatable press plate 6, 7 is arranged, of which the upper press plate according to the embodiment 6 against the lower press plate 7 for setting the Press nip is adjustable. Press plates 6, 7 close heatable cantilever on the inlet side Inlet plates 8, 9 to form the inlet mouth E.
  • the steel sheet press belts 5 are on the press plates 6, 7 and Inlet plates 8, 9 with the interposition of rolling elements 10 or rolling rods supported. Furthermore, a device 11 for adjusting the inlet edges of the inlet mouth E and a device 12 for setting the inlet contour of the inlet mouth E intended.
  • the device 12 for setting the Inlet contour has a plurality of double-acting Differential cylinders 13 on.
  • the differential cylinders 13 are in a predetermined distribution and according to Embodiment on the one hand to the upper inlet plate 8 and on the other hand articulated to the press upper part 4. Further are the differential cylinders 13 to a computer-controlled or regulated hydraulic system 14 connected.
  • the Computer 15 and a measuring system 16, which the Mat thickness of the mats to be pressed 2 measures and forwarded to the computer 15 are only indicated.
  • the differential cylinders 13 are in longitudinal rows and Cross rows hinged to the upper inlet plate 8. At least this upper inlet plate 8 is drilled lengthways and consequently points in the longitudinal direction of the plate or in the direction of entry extending channels 18 for the heating medium. Due to the longitudinal channels 18 is the upper inlet plate for Absorption of much higher bending stresses than with transverse channels set up.
  • the differential cylinders 13 are gimbaled on the upper inlet plate 8 and articulated on the press upper part 4.
  • the linkage 19 the differential cylinder 13 on the upper inlet plate 8 is with the interposition of thermal insulation 20th realized.
  • the hydraulic supply to the Differential cylinder 13 with the interposition of one Cooling device done with a heat exchanger, which is not is shown.
  • the lower inlet plate 9 is below Interposition of thermal insulation 20 in the lower press part 3 supported.
  • the mouth has E a trumpet-like inlet contour for the Pressing of relatively thick pressed material mats 2.
  • 2 is one of the pressing zone 21 upstream Clamping zone 22 realized. After that form the top one Inlet plate 8 and the lower inlet plate 9 in almost Parallel position an inlet contour with an inlet of only low taper for relatively thin pressed material mats 2a.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (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)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Press-Shaping Or Shaping Using Conveyers (AREA)

Claims (4)

  1. Presse continue pour le pressage de mats de matières pressées en panneaux pressés au cours de la fabrication de panneaux de particules, panneaux de fibres et autres panneaux de dérivés du bois, avec une partie inférieure de presse (3) et une partie supérieure de presse (4), des bandes de pressage en tôle d'acier (6) circulant sans fin dans la partie inférieure de presse et la partie supérieure de presse, et avec une embouchure d'entrée (E),
    dans laquelle une plaque de pressage (6, 7) pouvant être chauffée est disposée dans la partie inférieure de presse (3) et une dans la partie supérieure de presse (4) et des plaques d'entrée (8, 9) pouvant être chauffées, en porte-à-faux côté entrée, se raccordent aux plaques de pressage en formant l'embouchure d'entrée (E),
    dans laquelle les bandes de pressage en tôle d'acier (5) sont soutenues par les plaques de pressage (6, 7) et les plaques d'entrée (8, 9) avec interposition de corps de roulement (10),
    dans laquelle en outre sont prévus un dispositif (11) pour le réglage des bords d'entrée de l'embouchure d'entrée et au moins un dispositif (12) pour le réglage du contour d'entrée de l'embouchure d'entrée, caractérisée en ce que le dispositif (12) pour le réglage du contour d'entrée comporte une pluralité de vérins, par ex. des vérins différentiels (13) à double effet, en ce que les vérins (13) sont articulés, suivant une distribution prédéfinie, d'une part à la plaque d'entrée supérieure et/ou inférieure (8, 9) d'autre part, et en ce que les vérins (13) sont raccordés à un système hydraulique (14) commandé par ordinateur ou régulé.
  2. Presse selon la revendication 1, caractérisée en ce que les vérins (13) sont articulés en rangées longitudinales et éventuellement en rangées transversales à la plaque d'entrée supérieure et/ou inférieure (8, 9) et les plaques d'entrée (8, 9) comportent des canaux (18) s'étendant dans le sens de la longueur des plaques pour le fluide de chauffage.
  3. Presse selon la revendication 1 ou 2, caractérisée en ce que les vérins (13) sont articulés par un joint de cardan à la plaque d'entrée supérieure et/ou inférieure (8, 9) et à la partie supérieure de presse (4) et/ou la partie inférieure de presse (3), et en ce que l'articulation (19) des vérins (13) à la plaque d'entrée supérieure et/ou inférieure (8, 9) s'effectue avec interposition d'isolations thermiques (20).
  4. Presse selon l'une des revendications 1 à 3, caractérisée en ce que l'alimentation hydraulique des vérins (13) s'effectue avec interposition d'un dispositif de refroidissement avec un échangeur de chaleur.
EP98117030A 1997-09-13 1998-09-09 Presse continue pour le pressage de nattes en panneaux Expired - Lifetime EP0909620B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19740325 1997-09-13
DE19740325A DE19740325C5 (de) 1997-09-13 1997-09-13 Kontinuierliche Presse zum Verpressen von Preßgutmatten zu Preßgutplatten
DE19829742A DE19829742C1 (de) 1998-07-03 1998-07-03 Kontinuierliche Presse
DE19829741A DE19829741C1 (de) 1998-07-03 1998-07-03 Verfahren und Presse zum Verpressen, insbesondere kontinuierlichen Verpressen
DE19829741 1998-07-03
DE19829742 1998-07-03

Publications (3)

Publication Number Publication Date
EP0909620A2 EP0909620A2 (fr) 1999-04-21
EP0909620A3 EP0909620A3 (fr) 1999-05-19
EP0909620B1 true EP0909620B1 (fr) 2003-11-19

Family

ID=27217743

Family Applications (3)

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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP03020741A Expired - Lifetime EP1371466B1 (fr) 1997-09-13 1998-09-09 Presse pour le pressage en continu

Family Applications After (1)

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

Country Status (5)

Country Link
US (2) US6098532A (fr)
EP (3) EP1371466B1 (fr)
CN (2) CN1188259C (fr)
CA (2) CA2244284C (fr)
DE (2) DE59810212D1 (fr)

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CN107913890B (zh) * 2016-10-08 2024-08-23 宁波荣轩新材料有限公司 一种环保型垃圾处理设备
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Also Published As

Publication number Publication date
US6142068A (en) 2000-11-07
EP0909620A2 (fr) 1999-04-21
DE59810212D1 (de) 2003-12-24
EP0901894B1 (fr) 2004-11-24
CA2244283C (fr) 2003-07-29
DE59812293D1 (de) 2004-12-30
CA2244284A1 (fr) 1999-03-13
EP0901894A2 (fr) 1999-03-17
CN1076258C (zh) 2001-12-19
EP1371466A1 (fr) 2003-12-17
US6098532A (en) 2000-08-08
CN1224650A (zh) 1999-08-04
CA2244283A1 (fr) 1999-03-13
CN1188259C (zh) 2005-02-09
CN1224651A (zh) 1999-08-04
CA2244284C (fr) 2002-05-28
EP0909620A3 (fr) 1999-05-19
EP0901894A3 (fr) 1999-05-12
EP1371466B1 (fr) 2011-06-29

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