EP0458806A1 - Procede et installation de production de panneaux d'agglomeres en bois et de materiaux similaires pour panneaux. - Google Patents

Procede et installation de production de panneaux d'agglomeres en bois et de materiaux similaires pour panneaux.

Info

Publication number
EP0458806A1
EP0458806A1 EP90902252A EP90902252A EP0458806A1 EP 0458806 A1 EP0458806 A1 EP 0458806A1 EP 90902252 A EP90902252 A EP 90902252A EP 90902252 A EP90902252 A EP 90902252A EP 0458806 A1 EP0458806 A1 EP 0458806A1
Authority
EP
European Patent Office
Prior art keywords
bed
edge
press
heat
length
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
EP90902252A
Other languages
German (de)
English (en)
Other versions
EP0458806B1 (fr
Inventor
Avenne Andre Vanden
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.)
Eduard Kuesters Maschinenfabrik GmbH and Co KG
Original Assignee
Eduard Kuesters Maschinenfabrik 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 Eduard Kuesters Maschinenfabrik GmbH and Co KG filed Critical Eduard Kuesters Maschinenfabrik GmbH and Co KG
Publication of EP0458806A1 publication Critical patent/EP0458806A1/fr
Application granted granted Critical
Publication of EP0458806B1 publication Critical patent/EP0458806B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B27N3/10—Moulding of mats
    • B27N3/14—Distributing or orienting the particles or fibres
    • 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
    • B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
    • B27N3/183—Forming the mat-edges, e.g. by cutting
    • 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 method of the type corresponding to the preamble of claim 1 and a corresponding system, as are known from DE-PS 23 55 797.
  • REPLACEMENT LEAF DE-PS 23 55 797 known construction transferring the heat from the support structure to the form belts, the entire width of which rolls more so that the temperature of the form belts dropped considerably towards the edge.
  • the edge areas contracted lengthwise and, since the wide central area of the forming tapes was at the working temperature, considerable thermal stresses were created.
  • Such thermal stresses became critical in the area of the deflecting drums because the thermal stresses were superimposed there with the stresses due to the considerable longitudinal tension of the forming tapes and the stresses due to their deflection due to the stretching of the outer fiber.
  • the invention is based on the object of designing a generic method and such a system in such a way that a system which ensures sufficient heat transfer at the edge of the form belts on the roller chains can be achieved with less expenditure on equipment.
  • the actual spreading width used can be adapted to the plate width used without the spreading machine having to be adjusted in its working width, which would be very expensive, and without wide continuous edge strips of the finished plate have to be sawed off.
  • the edge strip section can be, for example, 2 to 30 cm wide (claim 2).
  • the length of the webs in the longitudinal direction of the web can be approximately 2 to 20 cm (claim 3), it being advisable that this length is at most as long as the length of the edge strip sections which have been vacuumed off, because otherwise the simplification effect is insufficient noticeable.
  • the ratio of the length of the edge strip sections which have been vacuumed to that of the webs can be approximately 3: 1 to 15: 1 (claim 4), the length of the edge strip sections which have been vacuumed off being in the range from approximately 30 to 100 cm (claim 5 ).
  • the apparatus aspect of the invention is the subject of claim 6. • • •
  • ERSAT B «- ⁇ TT 1 is a side view of a double belt press to which the invention is applicable;
  • Fig. 2 is a vertical longitudinal section through the double belt press along the line II-II in Fig. 3;
  • FIG. 3 is a cross section through the double belt press along the line III-III in FIG. 1;
  • FIG. 4 is a partial cross section through the edge region IV provided with a dotted frame in FIG. 3;
  • FIG. 5 is a partial view from above of the edge region of the web of a wood fiber board on a smaller scale than in FIG. 4.
  • a double belt press for the production of chipboard, fibreboard and other plate-shaped materials, which consist of particles bound by means of a binder which cures under pressure and heat. It comprises an upper forming belt 1 made of sheet steel of approximately 1 to 1.5 mm in thickness and a similar lower forming belt 2. Between the forming belts 1, 2, a web 4 is compressed from a bed 4 'in a pressing section 3, which is made of a pourable material exists that results in one of the aforementioned materials after pressing.
  • the upper forming belt 1 runs around rollers or drums 5, 6 arranged transversely to the web 4, of which the drum 6 in a fixed stand 7, the drum 5 in one around a support 8 on the floor, one around the web 4 extending axis pivotable stand 9 is mounted.
  • the stand 9 is moved via the hydraulic cylinder 10 and the forming belt 1 is stretched in this way.
  • the forming belt 2 runs over drums 11, 12 arranged transversely to the web 4, of which the drum 11 is mounted in a fixed stand 13, the drum 12 in a stand 14 movable on rails
  • the stand 14 can be moved in the longitudinal direction to the web by hydraulic cylinders 15 and the forming belt 2 can be tensioned in this way.
  • the form belts are driven by the drums.
  • the shaping belts 1, 2 run through the device in the sense indicated by the arrows 16, so that the bed 4 ′ and the pressing section 3, which is applied on the right-hand side according to FIG. 1, is drawn into the pressing section 3.
  • the outgoing compressed web 4 is removed in the left area of the forming belt 2 according to FIG. 1 by suitable devices, not shown.
  • an upper support structure 17 is provided in the inner region of the forming belt 1, which cooperates with a lower supporting structure 18 provided in the inner region of the lower forming belt 2.
  • the support constructions 17, 18 support the areas of the forming strips 1, 2 facing the web 4 against the web and press them flatly against one another with great force.
  • the support structures 17, 18 each consist of individual supports 19, 20, which are arranged opposite one another above and below the form belts 1, 2 and the web 4 (FIG. 2). Each pair of supports 19, 20 is clamped by lateral spindles 21 (FIG. 3), so that individual pressure members which are self-contained in terms of force are formed.
  • REPLACEMENT LEAF Roller chains 30 are arranged between the mutually facing sides of the plates 26, 27 and the forming belts 1, 2, on which the forming bands 1, 2 roll relative to the plates 26, 27 and which run endlessly in a vertical longitudinal plane around the plates 26, 27.
  • the rollers of the roller chains 30 transmit both the pressure and the heat of the plates 26, 27 to the forming belts 1, 2 and thus the web 4 that is being formed.
  • roller chains 30 can either in the actual pressing area, i.e. between the carriers 19, 20 and the plates 26, 27 can be returned, as is indicated in FIG. 2 for the plates 26 and in FIG. 4.
  • This embodiment has the advantage that the roller chains 30 maintain their temperature essentially constant during circulation.
  • the plates 26, 27 are made up of a heating and support plate 43 and a separate return plate 44 with return grooves 42 for the roller chains 30. It is a partial cross section through an edge region located above the web 4 according to FIG. 2.
  • the plates 43 have the heating channels 40, which are connected to one another at the ends via pipe elbows 45 to form a closed conduit, and smooth running surfaces 41, which form the common rolling surfaces for the roller chains 30 arranged next to one another, which are shown in FIG. 4 are recognizable.
  • the roller chains 30 roll between them and the mutually facing running surfaces 41 of the plates 43.
  • Adjacent roller chains 30 lie directly opposite one another with their outer end faces.
  • the right edge 31 of the bed and the plate web according to FIG. 4 is located. 4 approximately at the level of the right edge of the roller chains 30.
  • the right edge 32 of which according to FIG. 4 is thus located inside the roller region of the roller chains 30.
  • a bed 33 of wood chips or other suitable particles is then applied in the usual way, the width of which corresponds to the nominal working width 34 and is characterized by the position of the edge 31 in FIG. 4.
  • These wood chips or other particles are provided with binders, which is to be indicated in the drop area 39 in FIG. 2 by dots drawn in.
  • the length of the vacuumed edge strip sections 38 is denoted by 36 in FIG. 5 and its width from the edge 31 corresponding to the maximum working width to the edge 32 which represents the actual limitation of the respective working width. 35 remains between the vacuumed edge sections 38 Web 37 are in which the Schütt ⁇ ng 33 to the full working width 34, ie 4 and 5 stops up to the edge 31.
  • the length of the webs 37 in the longitudinal direction of the web 4 is designated 46. In the area of width 35 of the webs
  • the forming tapes 1, 2 are supported in the manner shown in FIG. 4 and pressed against the roller chains 30, 30.
  • the edge strip sections 38 which extend in the longitudinal direction of the web 4 between the webs 37, there is no chip material and there is no support.
  • the interrupted support in the toothed edge of the web 4 enables sufficient heat transfer in the edge zone.

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)

Abstract

Dans une presse à double tapis roulant de fabrication de panneaux d'agglomérés en bois et similaires, des bandes marginales étroites du matériau déversé (33) qui forme les panneaux (33) sont aspirées au bord (32) dudit matériau jusqu'à des barrettes fixes (37).
EP90902252A 1989-02-18 1990-02-09 Procede et installation de production de panneaux d'agglomeres en bois et de materiaux similaires pour panneaux Expired - Lifetime EP0458806B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3904982 1989-02-18
DE3904982A DE3904982C1 (fr) 1989-02-18 1989-02-18

Publications (2)

Publication Number Publication Date
EP0458806A1 true EP0458806A1 (fr) 1991-12-04
EP0458806B1 EP0458806B1 (fr) 1993-06-09

Family

ID=6374395

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90902252A Expired - Lifetime EP0458806B1 (fr) 1989-02-18 1990-02-09 Procede et installation de production de panneaux d'agglomeres en bois et de materiaux similaires pour panneaux

Country Status (23)

Country Link
US (1) US5284609A (fr)
EP (1) EP0458806B1 (fr)
JP (1) JPH06102327B2 (fr)
CN (1) CN1014877B (fr)
AR (1) AR245028A1 (fr)
AT (1) ATE90263T1 (fr)
AU (1) AU616104B2 (fr)
BR (1) BR9006032A (fr)
CA (1) CA2010216C (fr)
CS (1) CS276676B6 (fr)
DD (1) DD297359A5 (fr)
DE (2) DE3904982C1 (fr)
DK (1) DK0458806T3 (fr)
ES (1) ES2020441A6 (fr)
FI (1) FI92297C (fr)
HR (1) HRP930918A2 (fr)
HU (1) HU205034B (fr)
MX (1) MX173742B (fr)
NO (1) NO910635D0 (fr)
PL (1) PL162881B1 (fr)
RU (1) RU1836209C (fr)
WO (1) WO1990009263A1 (fr)
YU (1) YU47643B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622279A1 (de) * 1996-06-03 1997-12-04 Dieffenbacher Gmbh Maschf Verfahren zur Herstellung von Spanplatten
DE29800338U1 (de) * 1998-01-10 1999-05-20 Kuesters Eduard Maschf Doppelbandpresse
DE19856866C5 (de) * 1998-12-09 2010-09-23 Siempelkamp Maschinen- Und Anlagenbau Gmbh & Co. Kg Doppelbandpresse zur kontinuierlichen Herstellung von Plattenwerkstoffen
EP1062087B1 (fr) * 1998-03-10 2002-09-04 Metso Panelboard GmbH Procede et presse a deux rubans pour la production en continu de materiaux en plaques
DE10124928A1 (de) * 2001-05-21 2002-12-05 Metso Paper Inc Doppelbandpresse
DE10228936A1 (de) * 2002-06-28 2004-01-22 Metso Paper Inc. Verfahren und Doppelbandpresse zur kontinuierlichen Herstellung von Plattenwerkstoffen
DE102014016867B3 (de) * 2014-11-14 2015-09-17 Siempelkamp Maschinen- Und Anlagenbau Gmbh Vorrichtung und Verfahren zur Behandlung von streufähigem Gut
ES2913100T3 (es) * 2016-09-07 2022-05-31 SWISS KRONO Tec AG Prensa en caliente para tableros de madera y procedimiento de funcionamiento de una prensa en caliente para tableros de madera
CN108582401B (zh) * 2018-03-15 2020-09-08 泗阳蓝阳托盘设备科技有限公司 植物纤维制品滚压机
US20240009886A1 (en) * 2019-10-18 2024-01-11 Välinge Innovation AB Methods and arrangements for continuous manufacture of building panels
CN112497416B (zh) * 2020-11-13 2022-03-18 新沂市大自然木业有限公司 一种纤维板热压成型设备及其工作方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1216531B (de) * 1958-03-22 1966-05-12 Ernst Baer Verfahren und Anlage zur Herstellung von Platten aus streufaehigen Holzspaenen oder aehnlichem Gut
DE1199974B (de) * 1963-09-07 1965-09-02 Baehre Metallwerk K G Vorrichtung zur Queraufteilung eines endlosen Vlieses, besonders aus Holzspaenen
DE2355797C3 (de) * 1973-11-08 1981-04-16 Küsters, Eduard, 4150 Krefeld Presse zur Ausübung einer Flächenpressung
US3993426A (en) * 1971-11-22 1976-11-23 Eduard Kusters Continuous press having improved anti-friction rollers
DE2243465C3 (de) * 1972-09-04 1979-11-22 Kuesters, Eduard, 4150 Krefeld Kontinuierlich arbeitende Presse
DE2819943B2 (de) * 1978-05-06 1980-07-10 Kuesters, Eduard, 4150 Krefeld Formband für eine Presse zur Ausübung einer Flächenpressung
DE3704940A1 (de) * 1987-02-17 1988-08-25 Kuesters Eduard Maschf Verfahren und anlage zur herstellung von holzspanplatten und aehnlichen plattenwerkstoffen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9009263A1 *

Also Published As

Publication number Publication date
NO910635L (no) 1991-02-18
CN1044916A (zh) 1990-08-29
YU47643B (sh) 1995-12-04
FI913806A0 (fi) 1991-08-12
YU29690A (sh) 1994-05-10
BR9006032A (pt) 1991-08-06
DE3904982C1 (fr) 1990-02-01
AR245028A1 (es) 1993-12-30
PL162881B1 (pl) 1994-01-31
NO910635D0 (no) 1991-02-18
RU1836209C (ru) 1993-08-23
DE59001713D1 (de) 1993-07-15
HRP930918A2 (en) 1995-10-31
CA2010216C (fr) 1996-11-12
EP0458806B1 (fr) 1993-06-09
ATE90263T1 (de) 1993-06-15
FI92297C (fi) 1994-10-25
ES2020441A6 (es) 1991-08-01
US5284609A (en) 1994-02-08
DD297359A5 (de) 1992-01-09
CA2010216A1 (fr) 1990-08-18
JPH06102327B2 (ja) 1994-12-14
DK0458806T3 (da) 1993-08-23
CN1014877B (zh) 1991-11-27
HU205034B (en) 1992-03-30
HU901435D0 (en) 1991-07-29
JPH04501830A (ja) 1992-04-02
CS276676B6 (en) 1992-07-15
MX173742B (es) 1994-03-25
FI92297B (fi) 1994-07-15
WO1990009263A1 (fr) 1990-08-23
CS9000773A2 (en) 1991-07-16
AU5027990A (en) 1990-09-05
AU616104B2 (en) 1991-10-17
HUT57119A (en) 1991-11-28

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