EP2477805A1 - Presse à double bande pour production en continu - Google Patents

Presse à double bande pour production en continu

Info

Publication number
EP2477805A1
EP2477805A1 EP10752827A EP10752827A EP2477805A1 EP 2477805 A1 EP2477805 A1 EP 2477805A1 EP 10752827 A EP10752827 A EP 10752827A EP 10752827 A EP10752827 A EP 10752827A EP 2477805 A1 EP2477805 A1 EP 2477805A1
Authority
EP
European Patent Office
Prior art keywords
press
boxes
plates
longitudinal direction
side 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.)
Withdrawn
Application number
EP10752827A
Other languages
German (de)
English (en)
Inventor
Lothar Sebastian
Klaus Schürmann
Horst Weiss
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
Application filed by Siempelkamp Maschinen und Anlagenbau GmbH and Co KG filed Critical Siempelkamp Maschinen und Anlagenbau GmbH and Co KG
Publication of EP2477805A1 publication Critical patent/EP2477805A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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

Definitions

  • the invention relates to a continuous double belt press for producing pressed product slabs from pressed material mats, in particular for producing insulating boards or plastic or rubber sheets or mats, with at least one press upper part and an upper heatable press plate,
  • Pressgutplatten means in the invention z. B. insulation boards, z. B. insulation boards of wood materials, which are also referred to as lightweight panels. It can be z. B. act to wood wool insulation boards.
  • pressed material mats made of wood wool and a binder, eg. As a mineral binder, in particular magnesite or cement used. From the wood wool and the mineral binder (and possibly water) the pressed material mats are produced and pressed in the double belt press to pressed slabs.
  • Such insulation boards have a density of z. B. 80 kg / m 3 to 800 kg / m 3 , preferably 80 kg / m 3 to 600 kg / m 3 .
  • the steel press belts are guided around inlet drums and outlet drums.
  • the heated press plates are also called heating plates.
  • the rolling element assemblies may be rolling rods or rolling rods. These Wälz stressesaggregate be performed in the press upper part and in the lower press part respectively on link chains, which rotate in an upper and in a lower chain circulation over several Umlenkaggregate. If slider or Gleit analysesaggregate be used, it may be in a known manner to fixed or stationary and therefore non-rotating slider from z.
  • the adjusting units, with which the press nip formed between the upper press plate and lower press plate is adjusted, are usually designed as hydraulic cylinder piston assemblies.
  • Continuously working double belt press of the type described above are particularly preferred in practice for the production of wood-based panels, namely fiberboard or chipboard, z.
  • MDF boards or OSB boards used. They work with relatively high pressing pressures.
  • These are the press racks z.
  • Example constructed of a plurality in the longitudinal direction of the press-lined press frame, wherein the press plates are arranged inside this press frame and the cylinder piston assemblies are supported on the one hand to the press frame, ie the respective cross member of the press frame, and the respective press plate.
  • the press plates are thus applied directly from above or below with a plurality of cylinder piston assemblies, which are supported on the press frame.
  • Such presses have proven themselves many times in practice.
  • the invention has for its object to provide a continuous double belt press for the production of pressed slabs and in particular for the production of insulating boards or lightweight panels or plastic plates or rubber plates or mats, which is characterized by a simple and inexpensive construction and in particular a simple and inexpensive installation distinguished.
  • the invention teaches in a continuous double belt press of the type described above, that the press upper part and / or the press base are each composed of a plurality of press longitudinally successively arranged upper and lower press boxes, each consisting of at least two extending in the press longitudinal direction side plates and a plurality of the side plates connecting and extending transversely to the press longitudinal direction web plates are composed, wherein the composite of the upper press boxes press upper part and composed of the lower press boxes press base connected to each other via the adjusting units and with these relative to each other for adjusting the press nip are movable.
  • press boxes are preferably designed as welded constructions, ie, extending in the press longitudinal direction side plates and the web plates arranged transversely thereto are welded together to form a welded construction.
  • the press is thus essentially composed of a plurality of such welded structures, wherein the individual press boxes or welded constructions are then screwed together to form the press upper part or of the press lower part.
  • the press is therefore characterized by a very simple structure, as can be dispensed with in the present case to a complex frame construction, which is usually required for the transmission of high compression forces.
  • the invention has recognized that the construction of a press for the Production of lightweight panels or plastic sheets or rubber sheets or mats, which can be worked with low pressing pressures, can be easily constructed, namely from the described press boxes, which are each designed as a welded construction. These press boxes can be prefabricated and then transported. On site, it is then only necessary to screw the individual press boxes together to form the press upper part or the lower press part.
  • the press boxes preferably have a length which is less than 10 m, preferably less than 8 m.
  • the press boxes may for example have a length of 7 m to 8 m, preferably 7.5 m.
  • the width of the press boxes can be less than 3 m. Through these measures, the press boxes can be very easily transported, z. B. also in conventional containers.
  • Each individual press box can from the two lateral side plates and a plurality of transverse web plates arranged transverse plates, z. B. three to seven cross plates, preferably four to six, more preferably five web plates may be formed.
  • the side plates and the web plates preferably have approximately the same height.
  • the press upper part and the press base are then each z. B. five to ten, preferably four to six, z. B. composed seven press boxes.
  • the system can be extended as it were modular, because the individual press boxes are designed essentially identical.
  • Side plate and web plate are preferably made of steel and thus formed as steel sheets.
  • the adjusting units are preferably designed as hydraulic cylinder piston arrangements, particularly preferably as double-acting differential cylinders. They allow an exact path adjustment and thus an exact adjustment of the press nip. You can work with directional control and with fixed be equipped to define a minimum press nip.
  • the applied pressure pressures are in the context of the invention usually very low, they are preferably below 10 bar and therefore below 100 N / cm 2 . Because in the manufacture of particular lightweight panels, z. B. Wood wool insulation panels can be worked with very low pressing pressures. A significant pressure does not have to be applied to the product, but the cylinder piston assemblies are primarily used to set the press nip and consequently to create a defined pressing space. The same applies to (light) plastic sheets or rubber sheets or mats.
  • the press can be constructed very easily overall.
  • the upper press plate is usually fixedly connected to the press upper part and consequently the upper press boxes, preferably screwed and the lower press plate is usually connected to the press base and thus the lower press boxes, preferably screwed.
  • the actuators preferably the cylinder piston assemblies, are now not between one hand, the press plate and the other press top or press frame arranged, but according to a further proposal of the invention, it is provided that the actuators connected on the one hand to the upper press boxes and on the other hand to the lower press boxes and laterally offset from the press boxes and the press plate are arranged. By means of the actuators consequently the press upper part and the press lower part are moved as a whole relative to each other.
  • the press lower part is arranged stationary on the foundation, so that the press upper part, namely the interconnected press boxes altogether be raised and lowered by means of the actuators, so that the press nip is set defined in this way.
  • the actuators can be connected directly or indirectly to the press boxes, particularly preferably to the side plates of the press boxes. It is particularly advantageous if boxes on the upper and / or lower presses, z. B. at the side plates fastening straps are connected, which transverse to Pressenl horrsraum are oriented outwards and to which the cylinder piston assemblies are connected on the upper side and / or underside and preferably pivotally articulated.
  • Such an embodiment with laterally projecting fastening tabs for the cylinder piston arrangements is particularly recommended when the heatable press plates have a width which is greater than the width of the press boxes.
  • the press plates and consequently hotplates wider than the support structures, namely press upper part and press lower part.
  • this has the particular advantage that the leads and outlets for the heating medium of the heating plates can be connected on the top and bottom of the heating plates, so that a lateral feed is not required.
  • the heated press plates are provided with heating channels through which a heating medium is passed.
  • heating channels preferably extend in the transverse direction of the press plates and thus transversely to the press longitudinal direction.
  • the heating plates themselves must not be made of hardened special steel in such a press for particular lightweight panels, but they can be made of relatively inexpensive steel, eg. B. be made of simple structural steel. They preferably have a thickness of 30 mm to 50 mm, z. B. about 40 mm.
  • the press boxes are equipped with lateral fastening straps or fastening claws for the articulation of the cylinder piston arrangements. There is the possibility that the fastening tabs are welded to the press boxes.
  • the fastening straps by means of screw connections on the press boxes, which themselves as welded constructions may be formed to fasten.
  • the lower press boxes are preferably supported by means of laterally connected to the press boxes supports on the press foundation or the foundation supports. It can be provided separate supports, which are connected to the press boxes. However, the supports can also be be integrally formed with the mounting tabs of the cylinder piston assemblies of the lower press boxes. Consequently, the fastening tabs for the cylinder piston arrangements can at the same time form the supports for the lower press boxes.
  • the press plates or heating plates are usually bolted to the press boxes.
  • the screw can be realized in a conventional manner so that a thermal expansion of the press plates is allowed. It is generally expedient if the press plates are fastened to the press boxes with the interposition of insulating elements. Since the bearing surfaces of the press boxes for the heating plates are usually formed by the "edges" or narrow surfaces of the side plates and the web plates, it is expedient if the side plates and / or the web plates occupied on their the press plates facing narrow sides with insulating are.
  • the invention proposes that an upper heat tunnel and in the lower press part a lower heat tunnel is provided for the Rollstangenumlauf or for the roll bar return in the press upper part.
  • These heat tunnel for the roll bar return are preferably attached to the press boxes, z. B. placed on top of the upper press box and attached to the lower press boxes on the underside.
  • These heat tunnels or insulated tunnels should prevent the rolling bars heated by the heating plates during the pressing process from transferring heat to the steel belts.
  • the steel strips to have an opportunity for cooling in the return line and consequently to enter the press nip "cold" in the area of the inlet drums.
  • the invention comprises as described a double belt press, in which the steel press belts with the interposition of WälzArchitectaggregaten, z. B. Roll bars, are supported against the press plates.
  • the invention also includes embodiments in which the steel press belts are supported against the press plates with the interposition of (stationary) sliding bodies or sliding body units.
  • the invention also includes combinations of these embodiments. So it may be z.
  • the double belt press according to the invention can be z. B. insulation boards made of wood materials.
  • plastic plates or rubber plates or mats can be produced. It may be z. B. rubber sheets, rubber mats o. The like. From rubber granules, preferably from scrap tire rubber granulate act, such a rubber granules is usually glued with at least one binder.
  • isocyanate or an isocyanate-containing binder may be used as the binder.
  • a polyurethane-based binder may also be used.
  • a binder for example, a powder of crushed PU recyclate can be used.
  • the press is also suitable for the production of (porous) plastic sheets from a thermoplastic plastic recyclate, in particular from mixed fractions of packaging plastics.
  • the plates or mats are preferably produced with the double-belt press according to the invention with a maximum pressure of 10 bar.
  • FIG. 1 shows a double belt press according to the invention for the production of lightweight panels in a side view (detail), Fig. 2 shows an enlarged detail of the article according to Fig. 1,
  • FIG. 3 shows another enlarged detail of the article according to FIG. 1 and
  • FIG. 4 shows a vertical section through the article according to FIG. 1.
  • a double belt press for the continuous production of pressed slabs, z. B. insulation boards.
  • Pressgutmatten be 1 to Pressgutplatten, z. B. insulation boards pressed.
  • the double belt press consists in its basic structure of a press upper part 2a and an upper press plate 3a and a press base 2b and a lower press plate 3b.
  • endlessly circulating upper and lower steel press belts 4 are provided, which are supported with the interposition of Wälzèveaggregaten 5, namely rolling rods 5 against the upper press plate 3a and the lower press plate 3b.
  • WälzSystemaggregaten 5 namely rolling rods 5 against the upper press plate 3a and the lower press plate 3b.
  • FIGS. 1 and 3 it can be seen that the steel press belts 4 are guided around inlet drums 12 and outlet drums 13 and that the rolling bars 5 are guided on link chains, which in turn are guided over a plurality of deflection wheels 14.
  • a plurality of actuators 6 are provided, which are formed in the embodiment as a hydraulic cylinder piston assemblies.
  • the press frame is now not constructed as a frame construction of a plurality of press frame, but the press upper part 2a on the one hand and the press base 2b on the other hand are each composed of a plurality of in the press longitudinal direction P successively arranged upper press boxes 7a or press boxes 7b.
  • the press upper part 2a on the one hand and the press lower part 2b on the other hand each composed of seven upper press boxes 7a and seven lower press boxes 7b. Since part of the representation of the double belt press is "broken out" in FIG. 1, only a few of these press boxes are recognizable there.
  • Each individual press box 7a or 7b is in each case composed of two side plates 8 extending in the press longitudinal direction P and a plurality of web plates 9 connecting the side plates 8 and running transversely to the press longitudinal direction P.
  • each press box 7a and 7b in the embodiment has five web plates, which connect the two side plates 8 together.
  • the individual press boxes 7a, 7b are designed as welded constructions, ie the side plates 8 on the one hand and the web plates 9 on the other hand are welded together.
  • the individual press boxes 7a and 7b are then connected together at the joints 10. It is expedient that this connection is realized as a screw connection.
  • flanges can be welded to the ends of the press boxes, at which point the screw connections between the individual press boxes can be realized.
  • Fig. 2 it can be seen that the composed of the upper press boxes 7a press upper part 2a and composed of the lower press boxes 7b press base 2b on the adjusting units, namely the cylinder piston assemblies 6 are interconnected, so that the upper press boxes on the one hand and the lower press boxes on the other by means of the cylinder piston assemblies 6 relative to each other for adjusting the press nip are movable.
  • the cylinder piston arrangements are preferably designed as double-acting differential cylinders 6.
  • the upper press plate 3a is fixed to the upper press boxes 7a, e.g. B.
  • the press lower part 2b and consequently the lower press boxes 7b are firmly connected to the press foundation 11 or to corresponding foundation supports.
  • the entire press upper part 2a which essentially consists of the upper press boxes 7a, is then raised or lowered by means of the cylinder piston arrangements 6.
  • the cylinder piston assemblies 6 are connected on the one hand to the upper press boxes 7a and on the other hand to the lower press boxes 7b and laterally offset from the press boxes 7a and 7b and laterally offset to the press plates 3a and 3b.
  • the cylinder piston assemblies 6 are not arranged as in conventional frame presses above the upper press plate and below the lower press plate, but laterally offset and thus adjacent to the press plates.
  • the press plates 3 a and 3 b have a width, respectively. which is larger than the width B of the press boxes.
  • the press plates 3a, 3b consequently protrude laterally beyond the press boxes 7a, 7b.
  • connection of the cylinder piston assemblies 6 to the upper press boxes 7a and the lower press boxes 7b takes place via fastening tabs 17, 18, which are laterally attached to the press boxes 7a, 7b and are oriented transversely to the press longitudinal direction outwards.
  • the cylinder piston assemblies 6 are hinged on the one hand pivotally on the upper mounting tabs 17 and on the other hand pivotally connected to the lower mounting lugs 18.
  • the lower fastening tabs 18 at the same time form the supports for the press on the press foundation 1 1.
  • the lateral fastening straps 17, 18, which may be designed as fastening claws, not by means of a welded connection but by means of a screw connection to the press boxes 7a and 7b.
  • the press plates 3a, 3b are designed as heatable press plates and consequently heating plates. For this purpose, they are formed with transverse to the press longitudinal direction heating channels, which are not shown in the figures.
  • the supply of the heating medium via supply lines 23 which is connected in the outer region of the press plates from the top or bottom of the press plates (see Fig .. 4).
  • the heating plates 3a, 3b are connected to the press boxes with the interposition of heat insulation 24.
  • These are preferably insulating strips 24, which are fastened to the press plates facing narrow sides on the one hand of the side plates 8 and on the other hand, the web plates 9. Since a warming of the press boxes in the Rule can not be completely avoided, it is possible to provide counter-heating, the z. B. facing away from the heating plates, opposite narrow sides of the side plates and / or web plates can be arranged. This is not shown.
  • inlet boxes 15 and outlet boxes 16 are provided on the inlet side and outlet side, which feed the inlet drum 12 or outlet drums 13 and Take the guide wheels 14 for the link chains of the rolling rods. While the inlet boxes 15 and outlet boxes 16 are arranged in the lower press part 2b stationary on the foundation 1 1, the inlet boxes 15 and outlet boxes 16 of the press upper part 2a are raised and lowered with the remaining press boxes 7a using the cylinder piston assemblies 6 in the course of adjusting the press nip.
  • each pair of press boxes are each assigned four cylinder piston arrangements 6, namely two on each side.
  • lateral guides 22 can be seen.
  • a heat tunnel 20 is provided in each case for the upper roll bar return and for the lower roll bar return.
  • the steel bands 4 are not shown in Fig. 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

L'invention concerne une presse à double bande pour la production en continu de plaques de produits comprimés à partir de mats de matériau comprimable (1), qui comprend au moins une partie supérieure de presse (2a) et une plaque de presse supérieure (3a) pouvant être chauffée, une partie inférieure de presse (2b) et une plaque de presse inférieure (3b) pouvant être chauffée, des bandes de presse en acier (4) supérieures et inférieures, en rotation continue, qui sont soutenues, avec interposition de groupes de corps de roulement (5) et/ou de corps de glissement, ou de corps de glissement, contre la plaque de presse supérieure ou inférieure (3a, 3b), et des groupes de réglage (6) pour le réglage de la ligne de contact formée entre la plaque de presse supérieure et la plaque de presse inférieure (3a, 3b). La partie supérieure de presse (2a) et/ou la partie inférieure de presse (2b) sont composées, respectivement, d'une pluralité de caissons de presse supérieurs (7a) et/ou de caissons de presse inférieurs (7b), disposés les uns à la suite des autres dans le sens longitudinal de la presse (P), lesquels sont composés, respectivement, d'au moins deux tôles latérales (8) s'étendant dans le sens longitudinal de la presse (P) et de plusieurs tôles d'entretoise (9) reliant les tôles latérales (8) et s'étendant perpendiculairement au sens longitudinal de la presse (P). La partie supérieure de presse (2a), composée des caissons de presse supérieurs (7a), et la partie inférieure de presse (2b), composée des caissons de presse inférieurs (7b), sont interconnectées par lesdits groupes de réglage (6), ces derniers permettant de les déplacer pour assurer le réglage de la ligne de contact entre les plaques.
EP10752827A 2009-09-15 2010-09-15 Presse à double bande pour production en continu Withdrawn EP2477805A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910041301 DE102009041301A1 (de) 2009-09-15 2009-09-15 Kontinuierliche Doppelbandpresse
PCT/EP2010/063518 WO2011032964A1 (fr) 2009-09-15 2010-09-15 Presse à double bande pour production en continu

Publications (1)

Publication Number Publication Date
EP2477805A1 true EP2477805A1 (fr) 2012-07-25

Family

ID=43064676

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10752827A Withdrawn EP2477805A1 (fr) 2009-09-15 2010-09-15 Presse à double bande pour production en continu

Country Status (4)

Country Link
EP (1) EP2477805A1 (fr)
CN (1) CN102596553A (fr)
DE (1) DE102009041301A1 (fr)
WO (1) WO2011032964A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2527114B1 (fr) * 2011-05-27 2015-10-28 Siempelkamp Maschinen- und Anlagenbau GmbH Presse continue et procédé pour assembler et transporter une telle presse
CN103009769B (zh) * 2012-12-06 2015-04-22 济南赛信机械有限公司 连续式层压机加热方法及加热装置
DE102016119737B3 (de) * 2016-10-17 2018-03-15 Siempelkamp Maschinen- Und Anlagenbau Gmbh Rollstab und kontinuierliche Presse
DE102016119955B4 (de) * 2016-10-20 2021-06-02 Dieffenbacher GmbH Maschinen- und Anlagenbau Presse zur kontinuierlichen Herstellung von Werkstoffplatten

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Publication number Priority date Publication date Assignee Title
US3837774A (en) * 1971-01-18 1974-09-24 Thiokol Corp Apparatus for molding rigid product from synthetic resinous material
US4265608A (en) * 1980-06-30 1981-05-05 Tunador Engineering, Inc. Endless belt molding apparatus
DE3149243A1 (de) * 1981-12-11 1983-06-16 Maschinenfabrik J. Dieffenbacher Gmbh & Co, 7519 Eppingen "heizplattenpresse in fensterrahmenkonstruktion"
DE3702995A1 (de) * 1987-02-02 1988-08-11 Dieffenbacher Gmbh Maschf Heizplattenpresse in fensterrahmenbauweise
DE3717649A1 (de) * 1987-05-26 1988-12-15 Held Kurt Doppelbandpresse mit erwaerm- oder kuehlbaren teilen und verfahren zu deren herstellung
RU2068339C1 (ru) * 1989-02-14 1996-10-27 СИ ЭС АР Лимитед Устройство и способ непрерывного изготовления древесностружечных плит
DE4313606C2 (de) * 1993-04-26 2000-10-26 Dieffenbacher Gmbh Maschf Verfahren zum Umrüsten einer Platten-Herstellungsanlage

Non-Patent Citations (1)

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Title
See references of WO2011032964A1 *

Also Published As

Publication number Publication date
WO2011032964A1 (fr) 2011-03-24
DE102009041301A1 (de) 2011-03-17
CN102596553A (zh) 2012-07-18

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