EP3294540B1 - Presse à fonctionnement continu - Google Patents

Presse à fonctionnement continu Download PDF

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Publication number
EP3294540B1
EP3294540B1 EP16724336.9A EP16724336A EP3294540B1 EP 3294540 B1 EP3294540 B1 EP 3294540B1 EP 16724336 A EP16724336 A EP 16724336A EP 3294540 B1 EP3294540 B1 EP 3294540B1
Authority
EP
European Patent Office
Prior art keywords
press
yokes
plates
tie rods
heating plate
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.)
Active
Application number
EP16724336.9A
Other languages
German (de)
English (en)
Other versions
EP3294540A1 (fr
Inventor
Matthias Graf
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.)
Dieffenbacher GmbH Maschinen und Anlagenbau
Original Assignee
Dieffenbacher GmbH Maschinen und Anlagenbau
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 Dieffenbacher GmbH Maschinen und Anlagenbau filed Critical Dieffenbacher GmbH Maschinen und Anlagenbau
Publication of EP3294540A1 publication Critical patent/EP3294540A1/fr
Application granted granted Critical
Publication of EP3294540B1 publication Critical patent/EP3294540B1/fr
Active 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
    • B30B15/04—Frames; Guides

Definitions

  • the invention relates to a continuous press for the production of wood-based or plastic plates, in particular fiber or chipboard, with a press frame with several in the press longitudinal direction in a row, each Oberjoche and Unterjoche having press racks, which surrounds running in the press longitudinal direction heating plates, and with the pressed material the press-pulling, flexible endless steel belts, which are guided by drive drums and pulleys around the plurality of upper and lower press yokes and supported by mitum convincedde, with their axes transversely to the strip running direction rolling support members against the heating plates, wherein the press gap lying between the steel belts is adjustable over a plurality of transversely to the strip running direction each side by side between the upper yoke and the upper heating plate arranged hydraulic cylinders and wherein the lower heating plates against the by the Hy Support the hydraulic pressure applied to the lower yokes.
  • This construction thus has the disadvantage that over the width of the heating plates no specially adapted compressive forces are applied In order to be able to compensate for example across the width of the heating plates different thermal stresses and resulting deformations.
  • the object of the present invention is therefore to further develop a press as indicated above in such a way that it is easier to assemble and with it also different pressure forces can be applied across the production direction.
  • a design of this kind has several advantages: By dispensing with one-piece press racks, the racks can be installed and removed separately in a press. This not only facilitates the installation of such a press but also greatly simplifies their maintenance.
  • the sub-yokes comprise two parallel plates.
  • the outer plates of the lower yokes which form the bottom heating plate abutment for the lower heating plate, arranged so that they are each immediately adjacent to each other, with them the force generated by pressing forces sinusoidal contour of the lower heating plate is offset half a pitch to the the upper heating plate, which are deformed by the hydraulic cylinder from above.
  • the desired Schmiegefunktion is thereby achieved and the press nip between the heating plates thus always remains parallel.
  • the pressure is exerted substantially along a pressure line through the pressure cylinder arranged in a row transverse to the direction of tape travel.
  • FIG. 1 one recognizes a press frame of a continuously operating press in the front view.
  • the press frame has an upper yoke 1 and a lower yoke 2.
  • the upper yoke 1 and the lower yoke 2 are connected to each other via tie rods 3.
  • the tie rods 3 are coupled via bolts 4 to the lower yoke 2 and via bolts 5 on the upper yoke 1.
  • the upper yoke 1 is supported by sliding shoes 6 on two head carriers 7 of the continuously working press in the transverse direction, while the entire press frame rests on the bottom of a foundation 8.
  • the pressing pressure generated by the press is generated within the press frame by hydraulic cylinders 9 which are fixed to the upper yoke 1 and press down on an upper heating plate 10.
  • the hydraulic cylinders 9 are arranged substantially within a press frame in a row transversely to the direction of tape travel 18.
  • the pressure generated by the hydraulic cylinder 9 is transmitted from the upper heating plate 10 via rolling on her support elements 11 on a rotating endless steel strip 12, which with a parallel steel strip 13, the pressed material 14 through the between the two steel strips 12, 13 press nip of the press draws.
  • the parallel steel strip 13 is supported by mitum convincedde, guided with their axes transverse to the strip running direction 18 support members 15 which roll on a lower heating plate 16.
  • the temperature generated by the heating plates 10, 16 causes a setting of the glue contained in the pressed material 14 in the press nip.
  • the lower heating plate 16 is supported on the lower yoke 2 so that abutment 17 forms for the force applied by the hydraulic cylinders 9 pressing force.
  • FIG. 2 is a section of a press with several juxtaposed press racks according to Fig. 1 shown in the side view.
  • both the upper yoke 1 consists of two parallel plates 19, 20 as well as the lower yoke 2 each consist of two parallel plates 21, 22 and that the tie rods 3 as two parallel plate-like elements 23, 24 are formed.
  • the two plates 19, 20 of the upper yoke 1 in each case run inside, between the two elements 23, 24, which form the tie rod 3, and these in turn extend in each case between the two plates 21 22, which form the lower yoke 2.
  • the lower yokes 2 are thus formed by two parallel plates 21, 22, which are arranged on both sides in each case outside of the elements 23, 24 of the tie rod 3
  • the heating plates 10, 16 are brought into this U-shaped course in the region of each press frame, it being understood that the heating plates 10, 16 in the area between these press racks then have to form a transitional shape, which is correspondingly reversed U-shaped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)

Claims (3)

  1. Presse à fonctionnement continu pour la fabrication de panneaux à base de bois ou de plastique, en particulier de panneaux de fibres ou de particules,
    avec plusieurs bâtis de presse alignés les uns à la suite des autres dans la longueur de la presse, présentant chacun des travées supérieures (1) et des travées inférieures (2) qui entourent des plaques chauffantes (10, 16) orientées dans le sens de la longueur de la presse,
    et avec des bandes d'acier (12, 13) flexibles sans fin qui tirent la matière à presser (14) à travers la presse, qui sont guidées sur des tambours d'entraînement et des rouleaux de renvoi autour des plusieurs travées supérieures (1) et travées inférieures (2) et qui s'appuient contre les plaques chauffantes (10, 16) par l'intermédiaire d'éléments d'appui (11, 15) roulants guidés transversalement par rapport au sens de passage de la bande (18),
    dans laquelle l'espace de pressage formé entre les bandes d'acier (12, 13) peut être ajusté à l'aide de plusieurs vérins hydrauliques (9) disposés les uns à côté des autres transversalement par rapport au sens de passage de la bande (18) entre les travées supérieures (1) et la plaque chauffante supérieure (10) et
    dans laquelle les plaques chauffantes inférieures (16) s'appuient sur les travées inférieures (2) contre la pression exercée par les vérins hydrauliques (9), caractérisée en ce que les bâtis de presse se comportent de travées supérieures (1) et de travées inférieures (2) reliées entre elles par des tirants d'ancrage (3), les travées inférieures (2) étant formées de deux plaques parallèles (21, 22) qui sont disposées de part et d'autre à l'extérieur des tirants d'ancrage (3).
  2. Presse selon la revendication 1, caractérisée en ce que les plusieurs bâtis de presse se composent, à l'identique, de travées supérieures (1), de tirants d'ancrage (3) et de travées inférieures (2) situées sur l'extérieur.
  3. Presse selon une ou plusieurs des revendications précédentes, caractérisée en ce que dans les bâtis de presse voisins, les plaques extérieures (21, 22) des travées inférieures (2) qui forment le contre-appui (17) pour la plaque chauffante (16) agissant par en dessous sont directement voisines les unes des autres.
EP16724336.9A 2015-05-11 2016-05-11 Presse à fonctionnement continu Active EP3294540B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015107314.5A DE102015107314A1 (de) 2015-05-11 2015-05-11 Kontinuierlich arbeitende Presse
PCT/EP2016/060557 WO2016180876A1 (fr) 2015-05-11 2016-05-11 Presse à fonctionnement continu

Publications (2)

Publication Number Publication Date
EP3294540A1 EP3294540A1 (fr) 2018-03-21
EP3294540B1 true EP3294540B1 (fr) 2019-08-14

Family

ID=56068852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16724336.9A Active EP3294540B1 (fr) 2015-05-11 2016-05-11 Presse à fonctionnement continu

Country Status (4)

Country Link
EP (1) EP3294540B1 (fr)
CN (1) CN107592834B (fr)
DE (1) DE102015107314A1 (fr)
WO (1) WO2016180876A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT523304A1 (de) * 2019-12-19 2021-07-15 Berndorf Band Gmbh Doppelbandpresse mit zumindest einer Pressvorrichtung
CN113232118B (zh) * 2021-06-07 2022-07-26 安徽忠盛新型装饰材料有限公司 一种高密度压缩板材生产用滚压装置及其实施方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4340982B4 (de) * 1993-12-01 2005-04-21 Dieffenbacher Gmbh + Co. Kg Kontinuierlich arbeitende Presse
DE19926258B4 (de) 1999-06-09 2015-07-30 Dieffenbacher GmbH Maschinen- und Anlagenbau Kontinuierlich arbeitende Presse zur Herstellung von Werkstoffplatten
DE112008003801B4 (de) * 2008-04-17 2016-01-21 Kronoplus Technical Ag Regelung und Steuerung einer kontinuierlichen Presse
CN201872364U (zh) * 2010-11-16 2011-06-22 上海秋林机械有限公司 高精度平板式压机
EP2514585B1 (fr) 2011-04-21 2019-01-16 Siempelkamp Maschinen- und Anlagenbau GmbH Presse continue

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN107592834A (zh) 2018-01-16
DE102015107314A1 (de) 2016-11-17
EP3294540A1 (fr) 2018-03-21
CN107592834B (zh) 2019-09-13
WO2016180876A1 (fr) 2016-11-17

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