EP0128282B1 - Presse à ruban avec coussin de pression - Google Patents

Presse à ruban avec coussin de pression Download PDF

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Publication number
EP0128282B1
EP0128282B1 EP84103509A EP84103509A EP0128282B1 EP 0128282 B1 EP0128282 B1 EP 0128282B1 EP 84103509 A EP84103509 A EP 84103509A EP 84103509 A EP84103509 A EP 84103509A EP 0128282 B1 EP0128282 B1 EP 0128282B1
Authority
EP
European Patent Office
Prior art keywords
groove
holder
pressure
pressing belt
pressure 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.)
Expired
Application number
EP84103509A
Other languages
German (de)
English (en)
Other versions
EP0128282A1 (fr
EP0128282B2 (fr
Inventor
Werner Dr. Pankoke
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.)
Theodor Hymmen KG
Original Assignee
Theodor Hymmen 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=6196299&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0128282(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Theodor Hymmen KG filed Critical Theodor Hymmen KG
Priority to AT84103509T priority Critical patent/ATE27120T1/de
Publication of EP0128282A1 publication Critical patent/EP0128282A1/fr
Publication of EP0128282B1 publication Critical patent/EP0128282B1/fr
Application granted granted Critical
Publication of EP0128282B2 publication Critical patent/EP0128282B2/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
    • B30B5/062—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 urged by directly-acting fluid pressure
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S277/00—Seal for a joint or juncture
    • Y10S277/906—Seal for article of indefinite length, e.g. strip, sheet

Definitions

  • the invention relates to a device for applying surface pressure to progressive workpieces such as wood-based panels or the like, in which at least one rotating press belt can be pressed onto the workpiece by a pressure medium, which can be introduced into a pressure chamber adjacent to the press belt and sealed by a sealing strip, wherein the sealing strip is guided by a socket in the groove of a pressure plate and the press belt is arranged to slide along the sealing strip.
  • a device of this type is known (DE-A-2 937 971 in which the sealing strip is fixed to a holder which is carried by holding brackets screwed to the pressure plate. Between the holding brackets which are arranged at a distance, the pressure medium can flow from the pressure chamber into the a space formed in the pressure plate flows in, which is sealed to the outside by a sealing profile fixed to the socket, which is equipped with a sealing lip that is supported on a groove surface. When the sealing strip moves, abrasion occurs on the sealing lip.
  • the pressure medium for example compressed air
  • the compressed air in the pressure chamber generates a force parallel to the surface of the press strip when acting on the side surface of the sealing strip.
  • This force acts on the socket as a moment, which can cause the socket to tilt despite the retaining brackets screwed to the pressure plate inside the groove.
  • the invention is based on the object of a device of the type mentioned, to keep the guide displaceable in the groove without tilting and guiding and to secure the holder against falling out or pushing out of the pressure plate and to ensure a complete seal between the pressure plate and the holder .
  • the line-shaped end of the screw, the pin or the flat fitting pieces in the groove transmit horizontal thrust forces acting on the seal to the pressure plate.
  • the friction on the side surfaces of the socket in the groove is kept low, for which purpose a lubrication of these surfaces can also be provided, which can be polished in addition to further reducing the friction. This in turn can improve the sealing of the side surfaces of the socket with respect to the walls of the groove in the pressure plate and with respect to a pressure space arranged therein.
  • the sealing fit between the socket and the walls of the groove within the pressure plate can be adjusted, so that the pressure medium which presses the socket with the sealing strip against the press belt elastically cannot come into contact with the outside air.
  • a pressure medium hose is arranged in the groove running parallel to the socket, this hose with its pressure medium can not only press the socket with the sealing strip against the press belt, but also serve as a coolant for the socket and the seal.
  • the device according to the invention consists of a lower frame 10 and an upper frame 11, in each of which endless press belts 12 are installed.
  • the press belts 12 are tensioned on deflection rollers 13 and can be driven by them. They are arranged with respect to one another with a gap which corresponds to the width of a workpiece 14 to be machined. While the press belts 12 carry out a horizontal movement with their surfaces touching the workpiece 14, the workpiece 14 is drawn into the device, specifically into the gap that exists between the surfaces, and is pressurized there by the surfaces of the press belts 12. When the workpiece 14 passes through the device, it is processed so that it leaves the gap between the press belts 12 at the outlet from the device as a finished workpiece (FIG. 9).
  • foils 15, which run off supply rolls 16, are pressed onto the top and bottom of the workpiece 14.
  • the upper frame 11 can be pressed as a whole against the lower frame or, after a rough adjustment of the distance between the upper frame 11 and the lower frame 10, the required pressure can be exerted by means of an air pressure which prevails in pressure chambers 17 which are each arranged on the back of the press belt 12 with respect to the workpiece 14, that is to say on the surface of the press belt 12 which is not in contact with the workpiece 14.
  • guide slides 18 are provided for the rough adjustment, which are fixedly arranged on the lower frame 10 and on which the upper frame 11 can be displaced in the vertical direction.
  • Hydraulic cylinders 19 provide for the displacement.
  • the pressure chambers 17 are delimited by pressure plates 20 which are guided relative to the frames 10 and 11 and are moved by hydraulic cylinders 21.
  • the pressure plate 20 has on its surface facing the press belt 12 a peripheral groove 22 for fastening a sealing strip 23 on the edge.
  • the sealing strip 23 lies against the circumferential press belt 12, which slides along the sealing strip 23 during operation.
  • the pressure chamber 17 is thus formed by the surface of the pressure plate 20, by the surface of the press belt 12 facing away from the workpiece 14 and by the circumferential sealing strip 23.
  • a pressure medium such as compressed air can be introduced into the pressure chamber 17 through the pressure plate 20 via openings 24 (FIG. 1).
  • the entire pressure plate 20 can be rotated, for example, about a central axis 25 running perpendicular to the press belt 12, so that its rectangular configuration with different side lengths allows the pressure chamber width to be adjusted to different workpiece widths.
  • the sealing strip 23 is supported without play in a groove 26 of the socket 27, which is held vertically movable in the groove 22 of the pressure plate 20 and is rectangular in cross section.
  • the socket 27 and sealing strip 23 thus form a unit.
  • the mount 27, which can be moved vertically in the groove 22 of the pressure plate 20, is held elastically by a pressure medium hose 28 which is connected to a pressure medium line 29 which is attached to the side of the pressure plate 20.
  • These guides 30 are formed, for example, by commercially available screws 31, the thread ends of which are each formed into a guide pin 32 which is kept smaller in diameter.
  • These guide pins 32 engage in blind bores 33 arranged laterally in the socket 27, each of which is designed as a (vertical) groove running transversely to the longitudinal direction of the socket.
  • the width of each groove 33 corresponds to the diameter of the guide pins 32, so that due to their lateral line contact, the disadvantageous horizontal thrust forces of the socket 27 in the groove are distributed over the number of screws 31.
  • the socket 27 is prevented from sliding out of the groove 22 in the rest position.
  • Lubricating nipples 35 are screwed into the screws 31 (FIG. 5) in order to refill new lubricants such as grease or the like at intervals.
  • the screws 31 each have a lubrication bore 36 in their longitudinal direction, which ends in the groove 33 and introduces the lubricant.
  • the groove 22 is in each case delimited by a circumferential profile strip 37 which is fastened to the pressure plate 20 by means of screws 38 on the edge.
  • This profile strip 37 is angular; whose short leg 37a bears against the pressure plate 20, through which the screws 38 are also guided and screwed into the pressure plate 20.
  • an annular seal 39 is arranged, which seals the groove 22 formed upwards.
  • a bore 40 for supplying a pressure medium is arranged parallel to the screws 38, which opens into the groove 22.
  • This pressure medium acts on a sealing profile 41 which is arranged in the groove 22 between the socket 27 and the groove base. The holder 27 is pressed elastically onto the press belt 12 by the pressure medium.
  • a plurality of fitting pieces 42 are fastened in the vertical leg 37b of the profiled strip 37 at intervals from the lower edge by means of screws 43 which run parallel to the socket 27 from grooves upwards.
  • the fitting pieces 42 have an elongated hole 44, through which the screw 43 is inserted and holds the fitting piece 42 in an adjustable manner. The fitting piece 42 can thus be moved horizontally in the direction of the holder 27 (FIGS. 6 and 7).
  • the fitting piece 42 is, for example, semicircular on the upper side, as a result of which manufacturing can be simplified considerably (see FIG. 7).
  • FIG. 8 shows a further possibility of guiding the socket 27.
  • the fitting piece 46 is supported from below in a receiving recess 47 and held adjustable by means of screws 48 at right angles to the socket 27.
  • the fitting pieces 46 can be designed here as short strip sections into which two screws 48 engage.
  • the socket 27 is guided over a large area on the fitting pieces 46.
  • lubricating nipples 35 can also be fastened into the strip-shaped fitting pieces 46, via which a lubricant can be supplied in order to reduce the friction.
  • Such fitting pieces 42, 46 shown in FIGS. 6 to 8 have the advantage that horizontal thrust forces, which are derived from the sealing strip 23 on the socket 27, on the side surfaces (ie over a wide area) of the fitting pieces 42, 46 or on the adjacent contact surfaces the profile bar 37 transferred and thus be taken up by the pressure plate 20.
  • the illustrated guide pins 32 or fitting pieces 42, 46 can be adjusted by means of the screws 31, 43, 48 or the like inserted laterally or on the press belt side, so that their pressure on the holder 27 is variable.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Peptides Or Proteins (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Claims (10)

1. Dispositif pour appliquer une pression de surface sur des pièces en mouvement telles que des plaques en matériau à base de bois ou analogues, dans lequel une bande de pression sans fin (12) au moins peut être pressée sur la pièce (14) par un agent de pression qui peut être introduit dans une chambre de pression (17) adjacente à la bande de pression et rendue étanche par une bande d'étanchéité (23), la bande d'étanchéité étant guidée par une monture (27) dans la rainure d'une plaque de pression (20) et la bande de pression étant disposée de façon à glisser le long de la bande d'étanchéité, caractérisé par au moins une rainure (33, 45) disposée sur une surface latérale de la monture (27), perpendiculairement à la surface supérieure de la bande de pression (12), dans laquelle pénètre l'extrémité avant d'une vis (31 ) introduite dans la plaque de pression (20) et pouvant se déplacer longitudinalement, d'une tige (32) ou d'une pièce d'adaptation (42,46).
2. Dispositif selon la revendication 1, caractérisé en ce que la rainure (33, 45) est limitée à ses extrémités ou à une extrémité par une forme courbe.
3. Dispositif selon la revendication 1, caractérisé en ce que la vis (31 ), la tige (32) ou analogue est équipée d'un alésage de graissage (36) se terminant (s'ouvrant) à l'avant de la surface frontale de la monture (27).
4. Dispositif selon la revendication 1, caractérisé en ce que la rainure latérale (33) est constituée sous forme d'une poche à graisse.
5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les surfaces latérales de la monture (27) et de la rainure (22) qu'elle comporte sont ennoblies (polies).
6. Dispositif selon la revendication 1, caractérisé en ce que la rainure latérale (45) est ouverte du côté de la bande de pression.
7. Dispositif selon la revendication 1, caractérisé en ce que la pièce d'adaptation (42, 46) est montée mobile dans une bande profilée (37) fixée à la plaque de pression (20), dont une surface latérale forme une partie de la rainure (22) recevant la monture (27) (figures 6 à 8).
8. Dispositif selon la revendication 7, caractérisé en ce que la pièce d'adaptation (42) est maintenue au moyen d'une vis (43) qui est introduite perpendiculairement au plan de la bande de pression (12) et sur le côté de cette bande de pression dans la bande profilée (37).
9. Dispositif selon la revendication 7, caractérisé en ce que la pièce d'adaptation (46) est maintenue au moyen d'une vis (48) introduite parallèlement au plan de la bande de pression (12) et à partir du côté dans la bande profilée (37).
10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce qu'un tuyau à agent de pression (28) est monté parallèlement à la monture (27) dans la rainure (22) recevant la monture, déplaçant la monture (27) en direction de la bande de pression (12) et étant alimenté par une source d'agent de pression (29).
EP84103509A 1983-04-13 1984-03-30 Presse à ruban avec coussin de pression Expired - Lifetime EP0128282B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84103509T ATE27120T1 (de) 1983-04-13 1984-03-30 Bandpresse und druckkissen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3313406A DE3313406C3 (de) 1983-04-13 1983-04-13 Vorrichtung zum Aufbringen einer Flächenpressung auf fortschreitende Werkstücke
DE3313406 1983-04-13

Publications (3)

Publication Number Publication Date
EP0128282A1 EP0128282A1 (fr) 1984-12-19
EP0128282B1 true EP0128282B1 (fr) 1987-05-13
EP0128282B2 EP0128282B2 (fr) 1991-02-27

Family

ID=6196299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84103509A Expired - Lifetime EP0128282B2 (fr) 1983-04-13 1984-03-30 Presse à ruban avec coussin de pression

Country Status (8)

Country Link
US (1) US4537408A (fr)
EP (1) EP0128282B2 (fr)
JP (1) JPS60174609A (fr)
AT (1) ATE27120T1 (fr)
DE (1) DE3313406C3 (fr)
ES (1) ES287004Y (fr)
FI (1) FI79669C (fr)
IN (1) IN160637B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3417289A1 (de) * 1984-05-10 1985-11-14 Fa. Theodor Hymmen, 4800 Bielefeld Vorrichtung zum aufbringen einer flaechenpressung auf fortschreitende werkstuecke
DE3525154A1 (de) * 1985-07-13 1987-01-22 Santrade Ltd Dichtungsanordnung fuer eine mit druckkammern ausgeruestete doppelbandpresse
JPS6354222A (ja) * 1986-08-25 1988-03-08 Mitsubishi Rayon Eng Co Ltd 連続加圧装置
USRE35091E (en) * 1986-08-18 1995-11-21 Mascheninfabrik Andritz Actiengesellschaft Pressure device and seal for filter belt machines
AT385681B (de) * 1986-08-18 1988-05-10 Andritz Ag Maschf Druckeinrichtung fuer maschinen bzw. damit versehene maschine zum entwaessern bzw. filtrieren bzw. fuer pressgut
JPS6354223A (ja) * 1986-08-25 1988-03-08 Mitsubishi Rayon Eng Co Ltd 連続加圧装置
DE3722157A1 (de) * 1987-07-04 1989-01-12 Hymmen Theodor Gmbh Vorrichtung zum aufbringen einer flaechenpressung auf kontinuierlich bewegte werkstoffbahnen
CH674821A5 (fr) * 1988-01-06 1990-07-31 Pavatex Ag
US5476268A (en) * 1990-03-15 1995-12-19 Unicraft Oy Seal assembly with a hard seal layer actuated through a silicone layer
DE4111022A1 (de) * 1991-04-05 1992-10-08 Hymmen Theodor Gmbh Vorrichtung zum aufbringen einer flaechenpressung auf fortschreitende werkstuecke
DE4219996C2 (de) * 1992-06-19 1996-04-11 Hymmen Theodor Gmbh Kontinuierlich arbeitende Presse mit einer mit einem fluiden Druckmittel beaufschlagten Druckkammer
DE59406095D1 (de) * 1994-10-12 1998-07-02 Hymmen Theodor Gmbh Vorrichtung zur kontinuierlichen Herstellung von mehrschichtigen, flächigen Materialien
SE0103105L (sv) * 2001-09-19 2002-08-06 Kvaerner Pulping Tech Tätningsordning för trumfilter eller filterpressar samt manschett och hållarelement till en sådan
ITFI20070095A1 (it) * 2007-04-18 2008-10-19 Casafortes Hld S R L Apparato per la protezione di ambienti chiusi da allagamento o contaminazioni.
JP5342716B2 (ja) * 2009-06-25 2013-11-13 啓介 勢井 プレス装置
WO2014100846A2 (fr) * 2012-12-27 2014-07-03 Berndorf Band Gmbh Système d'étanchéité destiné à une bande métallique défilante et installation de coulée de bandes minces dotée d'un tel système d'étanchéité
AT513821A1 (de) * 2012-12-27 2014-07-15 Berndorf Band Gmbh Dichtsystem für ein bewegtes Metallband sowie Bandgießanlage mit einem solchen Dichtsystem
CN105423108B (zh) * 2016-01-19 2018-01-19 吉林森林工业股份有限公司江苏分公司 一种热压机网垫润滑装置及使用方法
EP4045301A4 (fr) * 2019-10-18 2023-11-08 Välinge Innovation AB Agencement de presse continue de fabrication de panneaux de construction
CN113070954A (zh) * 2021-04-19 2021-07-06 杨瀚泉 一种新型重组木的制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135763A (en) * 1935-11-13 1938-11-08 Frederick A Nicholson Endless traveling platen fluid pressure press
DE1802980U (de) * 1959-10-02 1959-12-24 Hermann Lipprandt Tragbares, hydraulisch betaetigtes werkzeug zur ausfuehrung von press- oder praegearbeiten.
US3985365A (en) * 1975-11-06 1976-10-12 Bartholomew Thomas Catanzaro Remotely actuated emergency shaft seal
DE2722197C2 (de) * 1977-05-17 1979-06-07 Kurt 7218 Trossingen Held Gleitflächendichtung an kontinuierlichen Laminiermaschinen
US4268331A (en) * 1978-06-16 1981-05-19 Stevens James N Method for making a fluid filled ring
DE2953078C2 (de) * 1979-02-23 1983-02-03 Kurt 7218 Trossingen Held Gleitflächendichtung an einer Laminiermaschine
DE2907086C3 (de) * 1979-02-23 1981-10-29 Held, Kurt, 7218 Trossingen Elastische Gleitflächendichtung an Doppelbandpressen
DE2937971A1 (de) * 1979-09-20 1981-04-02 Theodor Hymmen Kg, 4800 Bielefeld Vorrichtung zum aufbringen einer flaechenpressung auf fortschreitende werkstuecke
DE3013231C2 (de) * 1980-04-03 1987-01-22 Constructiewerkhuizen De Mets N.V., Kachtem, Izegem Verfahren zum kontinuierlichen Verpressen eines Vlieses sowie Vorrichtung zur Durchführung des Verfahrens
US4345735A (en) * 1980-06-18 1982-08-24 Hughes Tool Company Blowout preventer

Also Published As

Publication number Publication date
DE3313406C3 (de) 1994-02-24
IN160637B (fr) 1987-07-18
ES287004Y (es) 1986-12-01
FI841466A0 (fi) 1984-04-12
ES287004U (es) 1986-04-16
FI79669C (fi) 1990-02-12
EP0128282A1 (fr) 1984-12-19
FI79669B (fi) 1989-10-31
FI841466A (fi) 1984-10-14
JPS60174609A (ja) 1985-09-07
DE3313406A1 (de) 1984-10-25
US4537408A (en) 1985-08-27
DE3313406C2 (fr) 1994-02-24
JPH0447601B2 (fr) 1992-08-04
EP0128282B2 (fr) 1991-02-27
ATE27120T1 (de) 1987-05-15

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