EP0394697A2 - Installation de pressage pour presser continuellement des matières en forme de bande - Google Patents

Installation de pressage pour presser continuellement des matières en forme de bande Download PDF

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Publication number
EP0394697A2
EP0394697A2 EP90106019A EP90106019A EP0394697A2 EP 0394697 A2 EP0394697 A2 EP 0394697A2 EP 90106019 A EP90106019 A EP 90106019A EP 90106019 A EP90106019 A EP 90106019A EP 0394697 A2 EP0394697 A2 EP 0394697A2
Authority
EP
European Patent Office
Prior art keywords
press
cylinder piston
plate
piston assemblies
plates
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
EP90106019A
Other languages
German (de)
English (en)
Other versions
EP0394697A3 (fr
EP0394697B1 (fr
Inventor
Klaus Gerhardt
Hans-Dietrich Dr. Dipl.-Ing. Sitzler
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.)
G Siempelkamp GmbH and Co KG
Original Assignee
G Siempelkamp 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
Application filed by G Siempelkamp GmbH and Co KG filed Critical G Siempelkamp GmbH and Co KG
Publication of EP0394697A2 publication Critical patent/EP0394697A2/fr
Publication of EP0394697A3 publication Critical patent/EP0394697A3/fr
Application granted granted Critical
Publication of EP0394697B1 publication Critical patent/EP0394697B1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height
    • B30B15/0035—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height using an adjustable connection between the press drive means and the press slide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/34—Heating or cooling presses or parts thereof
    • 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
    • B30B5/065—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 using anti-friction means for the pressing band
    • B30B5/067—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 using anti-friction means for the pressing band using anti-friction roller means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/40—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by wedge means
    • 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
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y10T156/1741—Progressive continuous bonding press [e.g., roll couples]

Definitions

  • the invention relates to a press system for the continuous pressing of material to be pressed in the course of the production of chipboard, fibreboard, laminate and similar material to be pressed, with a lower press part, an upper press part, a plurality of press frames arranged at a distance from one another in the longitudinal direction of the press system and one in the lower part and one arranged in the upper press part, driven press belt, which press belts circulate endlessly in each case around an inlet drum and a reversing drum, a fixed heated lower press plate in the lower press part and an upper press plate which can be heated and deformable under the action of press cylinder piston arrangements and return cylinder piston arrangements for the purpose of setting up the press characteristic are arranged and wherein the press belts are supported on the press plates with the interposition of rolling elements and one in accordance with the press form adjustable press nip.
  • the press plates are in one part or in several parts.
  • the rolling elements are rods (cf. DE-PS 34 32 548) or cylindrical rolling elements which are integrated into a mat or chains (DE-PS 22 42 399).
  • Press characteristic refers to the press pressure / displacement diagram along the press area of the press system. In other words, the pressing characteristic indicates the compression that the volume elements of the material to be pressed experience along their path through the pressing system.
  • a temperature characteristic can be assigned to the pressing characteristic by heating the press plates. It is understood that the pressing characteristic and the temperature characteristic in accordance with the pressing good and according to the quality parameters that the finished panels should have, as well as the throughput speed are adjustable.
  • the press nip width is set up differently at least in regions over the length of the press region, specifically with a predetermined press play. It goes without saying that the press frames are connected to a foundation.
  • the lower press plate In the known press system from which the invention is based (DE 34 13 396), the lower press plate, optionally with the interposition of insulation, is connected to a press table, which in turn is supported on the press frame.
  • the upper press plate is correspondingly connected to a press spar on which the press cylinder piston assemblies work and to which the return cylinder piston assemblies are connected.
  • the press spar and the upper press plate In order to set up the press characteristics, the press spar and the upper press plate must be elastically deformed in accordance with the press gap to be set in the known embodiment. It is expensive. Otherwise, this deformation cannot be effected with a small radius of curvature.
  • the pressing characteristic can consequently not be set up as finely as desired and cannot be set up with a large change in the first derivative in the mathematical sense.
  • the invention has for its object to simplify a press system of the construction described above with respect to the support of the press plates and at the same time to design such that the pressing characteristics can be adjusted finer and also with a large first derivative.
  • the invention teaches that the lower press plate is supported directly on the press frame with the interposition of insulation, that the upper press plate is acted upon directly by the press cylinder piston arrangements with the interposition of insulation and is connected to the return cylinder piston arrangements, the lower press plate additionally performing the function of the press table and the upper press plate additionally fulfills the function of the press spar, and that the press plates have a counter-heating device on the side facing away from the press nip to compensate for undesired thermal deformations.
  • the invention is based on the knowledge that in press systems of the structure described above and the intended purpose described, a complex press table and a complex press spar are not required and that the press plates can also perform the function of the press table and the press spar.
  • the press plates have a thickness of about 90 mm
  • press plates according to the invention are sufficient, which have a thickness of 100 to 150 mm, with a length of the press system of z. B. 30 m and more.
  • care must be taken to ensure that uncontrolled thermal expansion and the resulting warping of the press plates do not occur, which can be achieved with the help of the counter heating.
  • care must be taken to ensure that there is no disruptive heat flow through insulation of the press plates from the press frame or the cylinder piston arrangements.
  • the wedge gears are arranged transversely to the longitudinal direction of the press system. This makes them easy to install and remove. According to a preferred embodiment, they are designed to be self-locking. To adapt to different press programs, which require very different press characteristics, the wedge gears can also be interchangeable. To adapt to different press programs there is also the possibility of making the arrangement so that spacers can be inserted as a press gap adapter between the wedge gears and the press cylinder piston arrangements.
  • a particularly simple embodiment which works with the proven thermal oil heating is characterized in that the press plates have heating channels in the cross-sectional half facing the press nip and counter-heating channels for thermal oil heating in the opposite cross-sectional half. It is within the scope of the invention, in the outlet area of the press system instead of heating with respect to the pressed material with its relatively high temperature to carry out cooling.
  • the invention teaches that the upper press plate in an inlet area which adjoins the inlet drums has an arcuately deformable inlet tongue, with the interposition of mechanical or hydraulic springs are supported on the press frame or on a frame-fixed abutment.
  • the lower press plate can be set up accordingly.
  • the press cylinder piston assemblies are supported on the press frame.
  • the invention teaches that at least some press frames are designed as double frames made of sheet steel and the cylinders of the press cylinder piston assemblies are supported on the double frames.
  • the advantages achieved are on the one hand the considerable structural simplification, which results from the fact that a press table and a press beam are no longer required. Consequently, only relatively small forces are to be applied when setting the pressing characteristic by acting on the upper press plate.
  • the pressing characteristic can be set very finely and with a large first derivative in a mathematical sense.
  • an additional parameter for the pressing characteristic can be introduced in the press system according to the invention, namely the compression time. For example, by relieving pressure on the upper press plate in the outlet area, specifically by depressurizing the press cylinder piston assemblies and, if necessary, the return cylinder piston assemblies additionally being retracted, that a pressing process no longer takes place in this area. In this way, the pressing time can be set independently of the throughput speed.
  • a compression area and a calibration area which adjoin one another are realized.
  • the press system shown in the figures is used for the continuous pressing of material to be pressed in the course of the production of chipboard, fiberboard, laminate and similar material to be pressed.
  • the material to be pressed is introduced into the press in the direction of the arrow which can be seen on the left in FIG. 1 and is pulled off to the right in the pressed state.
  • the basic structure of the press system includes a press lower part 1, a press upper part 2, a plurality of press frames 3 arranged in the longitudinal direction of the press system at a distance from one another, as well as a driven press belt 4 made of sheet steel or other suitable metallic materials arranged in the press lower part 1 and a press upper part 2.
  • the press belts 4 are each endlessly circulating around an infeed drum 5 and a reversing drum 6. At least one of the drums 5 and 6 is driven.
  • the press frame 3 are connected to a foundation.
  • the press belts 4 are on the press plates 7 and 7 respectively 10 with the interposition of rolling elements 11 and form a press nip 12 set in accordance with the pressing characteristic.
  • the rolling elements 11 are roller bars (cf. DE-PS 34 32 548).
  • the roller bars are guided on chains 13, which are flat in FIG. 4 as the roller bars 11 can be seen.
  • special insertion devices 14 are required, which can be seen in FIG. 3.
  • FIGS. 4 and 5 it can be seen that the lower press plate 7 is supported directly on the press frame 3 with the interposition of insulation 15. It can also be seen that the upper press plate 10, with the interposition of insulation 15, is acted upon directly by the press cylinder piston arrangements 8 and is connected to the return cylinder piston arrangements 9. A press table and a press beam are missing. As described, the lower press plate 7 additionally takes over the function of the press table, the upper press plate 10 also takes over, as described, the function of the press spar.
  • the press plates 7 and 10 are a little thicker than usual, as described, connected to the associated components via insulations 15 and the press plates 7 and 10 are also provided with a counter-heating device 16 on the side facing away from the press nip 12 which can compensate for undesired heat deformation.
  • the press plates 7 and 10 may have a thickness of 100 to 150 mm, with a length of the press system of z. B. 30 m.
  • Fig. 4 it was indicated that all the press cylinder piston assemblies 8 have the same stroke, which corresponds to the press play.
  • adjustable wedge gears 17 for setting up the press characteristic. They are in the exemplary embodiment and according to preferred embodiment of the invention arranged transversely to the longitudinal direction of the press system and designed self-locking.
  • the wedge gears 17 are easily interchangeable. It goes without saying that they can be relieved of this and for adjustment by suitable devices with the participation of the return cylinder piston arrangements 9.
  • corresponding adjusting devices are implemented, be it in the form of shafts with connected levers, be it in the form of adjusting spindles or adjusting cylinder piston arrangements. It goes without saying that corresponding measuring devices are provided.
  • Fig. 4 also illustrates that spacers 18 can be inserted between the wedge gears 17 and the press cylinder piston assemblies 8 as a press nip adapter. In this way, different gap widths can be set in stages with the same press cylinder piston arrangements 8 and the same wedge gears 17, which can be adjusted in stages 18 using the wedge gears 17 as described, the stage difference being given by the thickness of the spacers.
  • the press plates 7 and 10 have heating channels 19 in the cross-sectional half facing the press nip 12 and counter-heating channels 16 for steam heating in the opposite cross-sectional half.
  • the upper press plate 10 in an inlet area which connects to the inlet drums 5, has an arcuate deformable inlet tongue 20, which is supported with the interposition of mechanical or hydraulic springs 21 in the embodiment on a frame-fixed abutment 22 is.
  • the abutments 22 are connected to the unattenuated heating plate and preferably extend over the first two frames 3 or double frames.
  • the lower abutment 22 rests, while the upper abutment is supported against the first two frames 3 by means of cylinder piston arrangements 8.
  • press cylinder piston arrangements are not recognizable for reasons of scale.
  • 2 shows that the press cylinder piston arrangements 8 are distributed over the length of the press system in accordance with the arrangement of the frames 3, the number of press cylinder piston arrangements 8 being reduced where the press forces become smaller.
  • press frame 3 is designed as a double frame made of sheet steel and the cylinders of the press cylinder piston assemblies 8 are supported on the double frame.
  • the press plates 7, 10 can be designed as one-piece plates. They can also be composed of several plate elements with a stepped overlap. It is understood that the butt seams of the plate elements will be arranged obliquely to the direction of the press belts 4. When working with plate elements, they can also be arranged interchangeably for repair or maintenance reasons.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Press Drives And Press Lines (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
EP90106019A 1989-04-28 1990-03-29 Installation de pressage pour presser continuellement des matières en forme de bande Expired - Lifetime EP0394697B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3914105 1989-04-28
DE3914105A DE3914105A1 (de) 1989-04-28 1989-04-28 Pressanlage zum kontinuierlichen pressen von pressgutbahnen

Publications (3)

Publication Number Publication Date
EP0394697A2 true EP0394697A2 (fr) 1990-10-31
EP0394697A3 EP0394697A3 (fr) 1991-09-04
EP0394697B1 EP0394697B1 (fr) 1993-12-29

Family

ID=6379710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90106019A Expired - Lifetime EP0394697B1 (fr) 1989-04-28 1990-03-29 Installation de pressage pour presser continuellement des matières en forme de bande

Country Status (7)

Country Link
US (1) US5112431A (fr)
EP (1) EP0394697B1 (fr)
JP (1) JPH03121807A (fr)
CA (1) CA2015230A1 (fr)
DD (1) DD296883A5 (fr)
DE (2) DE3914105A1 (fr)
FI (1) FI902101A7 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006093090A1 (fr) * 2005-03-04 2006-09-08 Yamauchi Corporation Bande pressante et rouleau presseur à patin
EP2527116A1 (fr) * 2011-05-27 2012-11-28 Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG Presse continue
WO2016180899A1 (fr) * 2015-05-11 2016-11-17 Dieffenbacher GmbH Maschinen- und Anlagenbau Presse travaillant en continu

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253571A (en) * 1990-06-01 1993-10-19 Maschinenfabrik J. Dieffenbacher Gmbh & Co. Method for guiding steel bands about a longitudinal axis of a continuously working press
DE4201193C2 (de) * 1991-06-03 1994-02-17 Siempelkamp Gmbh & Co Kontinuierliche Presse für die thermische Pressung von Preßgutmatten
DE4340982B4 (de) * 1993-12-01 2005-04-21 Dieffenbacher Gmbh + Co. Kg Kontinuierlich arbeitende Presse
DE4340983B4 (de) * 1993-12-01 2005-04-21 Dieffenbacher Gmbh + Co. Kg Kontinuierlich arbeitende Presse
DE4342279C2 (de) * 1993-12-11 2002-04-18 Siempelkamp Gmbh & Co Kg G Kontinuierliche Presse für die Herstellung von Spanplatten, Faserplatten, Laminatplatten und ähnlichen Preßgutplatten
DE4433643C1 (de) * 1993-12-11 1996-02-08 Siempelkamp Gmbh & Co Kontinuierliche Presse für die Herstellung von Spanplatten, Faserplatten, Laminatplatten und ähnlichen Preßgutplatten
DE4344400B4 (de) * 1993-12-24 2009-04-23 Dieffenbacher Gmbh + Co. Kg Kontinuierlich arbeitende Presse
DE4400347C5 (de) * 1994-01-07 2010-02-04 Dieffenbacher Gmbh + Co. Kg Kontinuierlich arbeitende Presse
DE4405342B4 (de) * 1994-02-19 2004-05-27 Maschinenfabrik J. Dieffenbacher Gmbh & Co Kontinuierlich arbeitende Presse
DE4405343A1 (de) * 1994-02-19 1995-08-24 Dieffenbacher Gmbh Maschf Preß-/Heizplatte für kontinuierlich arbeitende Pressen
DE19525339C2 (de) * 1994-12-23 2003-04-30 Siempelkamp Gmbh & Co Verfahren zur Herstellung von dreischichtigen Holzwerkstoffplatten, insbesondere von Spanplatten oder Faserplatten
DE19622213A1 (de) * 1996-06-03 1997-12-04 Dieffenbacher Gmbh Maschf Kontinuierlich arbeitende Presse
DE19740325C5 (de) * 1997-09-13 2010-01-21 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Kontinuierliche Presse zum Verpressen von Preßgutmatten zu Preßgutplatten
DE19806707C2 (de) * 1998-02-18 2003-11-06 Siempelkamp Gmbh & Co Kg G Kontinuierliche Presse zum Verpressen von Preßgutmatten zu Preßgutplatten
CN100377855C (zh) * 2005-09-27 2008-04-02 上海人造板机器厂有限公司 平压式连续压机中热压板的定位方法及定位板结构
US20070111019A1 (en) * 2005-11-04 2007-05-17 Ainsworth Lumber Co., Ltd. Methods of manufacturing engineered wood products
US20070102113A1 (en) * 2005-11-04 2007-05-10 Ainsworth Lumber Co., Ltd. Methods of manufacturing engineered wood products
DE102006008626B4 (de) * 2006-02-24 2008-01-10 Flooring Technologies Ltd. Vorrichtung zur Veredelung von Bauplatten
US20090077924A1 (en) * 2007-09-21 2009-03-26 Ainsworth Lumber Co., Ltd. Methods of manufacturing engineered wood products
US9199439B2 (en) * 2008-07-22 2015-12-01 3Form, Llc Efficient lamination press with thin flexible platens
WO2010011764A1 (fr) 2008-07-22 2010-01-28 Hunter Douglas Industries B.V. Presse à laminer efficace à plateaux souples
EP2527113B1 (fr) * 2011-05-27 2015-12-02 Siempelkamp Maschinen- und Anlagenbau GmbH Presse continue et procédé pour fabriquer des panneaux de bois
EP3297826B1 (fr) * 2015-05-15 2025-04-30 Usnr, Llc Presse modulaire
DE102017110882B4 (de) 2017-05-18 2019-10-31 Siempelkamp Maschinen- Und Anlagenbau Gmbh Presse
CN108943226B (zh) * 2018-07-24 2023-05-12 南京林业大学 矩形截面竹材成型装置及方法

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DE3914110A1 (de) * 1989-04-20 1990-10-25 Siempelkamp Gmbh & Co Pressanlage zum kontinuierlichen pressen von pressgutbahnen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006093090A1 (fr) * 2005-03-04 2006-09-08 Yamauchi Corporation Bande pressante et rouleau presseur à patin
EP2527116A1 (fr) * 2011-05-27 2012-11-28 Siempelkamp Maschinen- und Anlagenbau GmbH & Co. KG Presse continue
CN102794811A (zh) * 2011-05-27 2012-11-28 西姆佩尔坎普机械设备制造有限责任公司和两合公司 连续式压力机
CN102794811B (zh) * 2011-05-27 2016-05-18 辛北尔康普机器及成套设备有限责任公司 连续式压力机
WO2016180899A1 (fr) * 2015-05-11 2016-11-17 Dieffenbacher GmbH Maschinen- und Anlagenbau Presse travaillant en continu

Also Published As

Publication number Publication date
FI902101A7 (fi) 1990-10-29
EP0394697A3 (fr) 1991-09-04
FI902101A0 (fi) 1990-04-26
EP0394697B1 (fr) 1993-12-29
CA2015230A1 (fr) 1990-10-28
DD296883A5 (de) 1991-12-19
DE3914105A1 (de) 1990-10-31
JPH03121807A (ja) 1991-05-23
DE59003998D1 (de) 1994-02-10
US5112431A (en) 1992-05-12
DE3914105C2 (fr) 1993-08-19

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