EP0634253B1 - Presse, insbesondere Plattenpresse für die Holzbearbeitung - Google Patents
Presse, insbesondere Plattenpresse für die Holzbearbeitung Download PDFInfo
- Publication number
- EP0634253B1 EP0634253B1 EP94103642A EP94103642A EP0634253B1 EP 0634253 B1 EP0634253 B1 EP 0634253B1 EP 94103642 A EP94103642 A EP 94103642A EP 94103642 A EP94103642 A EP 94103642A EP 0634253 B1 EP0634253 B1 EP 0634253B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- hoses
- plate
- hose
- rows
- 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/062—Press plates
- B30B15/064—Press plates with heating or cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D3/00—Veneer presses; Press plates; Plywood presses
-
- 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
- B30B1/003—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 an elastic bag or diaphragm expanded by fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B7/00—Presses characterised by a particular arrangement of the pressing members
- B30B7/02—Presses characterised by a particular arrangement of the pressing members having several platens arranged one above the other
Definitions
- the invention relates to a press, in particular a plate press for woodworking or machining similar workpieces.
- the press is e.g. for gluing plate-shaped materials designed under temperature and pressure, especially for the production of veneered or plastic-coated panels.
- WO-A-82/02509 discloses a press with a press drive thanks to pneumatically expandable bellows-like bodies. Two rows these bodies are arranged one above the other. everyone is supported on an upper plate fixed to the frame and acts downwards onto a vertically movable plate. The two Movable plates of the hose rows are by means of stud bolts connected to each other, so that with the same stroke as in a Double the pressing force is achieved.
- EP 131 801 B1 and EP 176 498 B1 also include plate presses become known in which the pressing force by pneumatically inflatable tubing is applied. Such Plate presses come with relatively little mechanical Effort and are therefore particularly for repair shops etc. well suited.
- a press is known from US-A-2 363 779 (closest prior art) become, in which the lifting mechanism of the press table several Groups of superimposed Contains hoses.
- a press is known from CH patent specification 273 477 become, whose press table from the area of the rigid press frame sideways out to make it easier to be able to load.
- the object of the invention is to produce plate presses of this type to develop further and in particular their area of application enlarge and thus make them more universally applicable.
- the tubes are in at least two rows of tubes with their Ends and in particular with their end pneumatic connections in the longitudinal direction of the hose offset from each other. So that can the hoses despite certain thickening at the ends and especially the connections in the smallest space and with only small thickness of the intermediate plate can be arranged because the End connections are then staggered. So it is advantageous also possible the hoses of the two rows of hoses to each be of the same length.
- the drawings show a press 11 from the end face 42 seen.
- the right side is cut on the one hand and on the other hand shown in the closed state while the left side of the drawing shown in view
- the plate shows in the open state.
- a press frame 12 has an upper and a lower one Carrier plate 13, 14, each in the longitudinal direction of the plate running wide-flange double T-beams assembled are and thus a stiffened structure with individual longitudinal chambers form. These carrier plates are so designed that their flatness even with the greatest achievable pressing pressures maintained.
- the hoses of the two rows of hoses are of the same length, however, as can be seen from FIG. 2, offset against one another, that their ends 22 and possibly connections 23 against each other are offset.
- Each hose has a pneumatic connection 23 on one or more distributors 24 (in Fig. 6: two distributors) and a common compressed air connection 25 are supplied. This is not a single one shown pneumatic circuit 26 connected upstream a conventional compressed air network 27 or a compressor becomes.
- the pneumatic circuit 26 (FIG. 6) contains a pressure regulator 50, at which the desired pressure can be set. This pressure can be read off a manometer 51.
- On in the pneumatic line 52 switched on safety solenoid valve 53 ensures that the press only by Pressurization can be closed when a switch 54 is closed, the part of a touch guard is, for example by a rotating around the press Safety line. It provides in connection with the switch 54 for the fact that the press cannot be closed as long as Operator still has a hand in the press or the like ..
- the trigger pulse is via a valve 55 and a button 56 given to close the press. Relieving the pressure a 3-way ball valve 57 is used to open the press with a large outlet cross-section, which may be via a silencer 58 releases the compressed air from the hoses.
- a safety valve 59 secures the pneumatic system against Overpressure.
- a pressure take-over valve 61 provided in one behind the pressure regulator, but in front of the safety valve 53 branching pneumatic line 60 is a pressure take-over valve 61 provided.
- This is a not electrically, but only pneumatically operated Valve, which has a control feedback 62 in the press direction having. It can be set so that it falls below of a set pressure opens and any Compensates for pressure losses in the system.
- Fig. 1 shows that the hoses of both rows are parallel to each other and are arranged one above the other. you The distance should be chosen at least so large that the Hoses next to each other in a flat, i.e. unfilled state can lie on the intermediate plates 17, 18.
- a heating plate 29 On an upper plate 28 which is the top row of tubing covers, is a heating plate 29 and is together with this vertically movable. Also on the underside of the upper carrier plate 13 a corresponding heating plate 29 is accommodated. Their heating surfaces facing each other form each upper and lower pressing surfaces 30.
- the structure of the heating plates 29 can be seen from FIG. 3.
- the Base body 31 of the heating plate is plate-shaped and has grooves 32 on the top for receiving heating conductors 33.
- the base body is made of aluminum.
- the heating conductor 33 include electrical heating resistors 34 which are of an electrical insulation 35 are surrounded, for example through multiple glass fiber braiding and braiding with a protective film made of polytetrafluoroethylene (PTFE).
- PTFE polytetrafluoroethylene
- the grooves 32 are through one on the base body 31
- Adhesive attached cover plate 36 in the form of a sheet a good heat-conducting alloy.
- the base body 31 is made of an insulating layer 37 high pressure compressed mineral fiber under which one High-pressure insulating plate 38 made of highly compressed fiber material (Chipboard or the like), optionally with a phenol resin bond is.
- This heating plate has very good press surface 30 Heat transfer properties while the back with an effective insulation that can withstand high pressures is provided.
- the lower Heating plate 29 slidably guided relative to its base is.
- the heating plate 29 has two of its outer longitudinal sides Guide strips 65 along the outer edges 66 of the insulating plate 38. This is with the the hoses 19 top plate 28 firmly connected, while the heating plate 29 only transfers pressure on it lies on.
- the heating plate So sliding on the insulating plate 38 in the illustrated Example pulled up to about half from the press frame until a stop 68 the further shift stops and thus prevents the heating plate 29 from tipping over.
- a handle 67 Fig. 4 and 5
- the heating plate So sliding on the insulating plate 38 in the illustrated Example pulled up to about half from the press frame until a stop 68 the further shift stops and thus prevents the heating plate 29 from tipping over.
- connection device 70 takes place so that the heating plate movement is possible is. This allows the heating plate to be loaded more easily and / or partially pulled out of the press for cleaning become.
- the heating conductors are provided with a heating control that is not shown in detail and also thermal Control elements for heating can contain.
- the press works as follows:
- the hoses 19, namely in both layers each have two different end faces 42 the press forth (Fig. 2 and 3) via the pneumatic circuit 26 and the distributors 24 and the pneumatic connections 23 Compressed air admitted.
- the pressure regulator 50 is on the desired pressure and set the button 56, so that valve 55 opens.
- the safety valve 53 stops the build up of pressure when it is opened by the safety switch is closed.
- the hoses fill up and lift the intermediate plates 17 and 28 and the ones on it attached heating plate 29 and the workpiece placed thereon and finally push it to the bottom of the top Heating plate 29. Both plates can be heated.
- the circular, flexible hoses 19 create themselves the plates 17, 18, 28 flat and thus transmit the Press pressure well distributed.
- the one between the two rows of hoses provided, vertically movable rigid intermediate plates have a mechanical balancing effect and thus promote an even application of the pressing force.
- the pressure take-over valve 61 ensures that the pressure set there or on the pressure regulator 50 is not undercut if there is a pressure loss due to leakage occurs.
- the press therefore has a rigid frame-shaped press frame with a stiffened upper and lower support plate on. Due to the large stroke it is possible without any Adjusting means, i.e. with rigid support plates a relative large area of editable plate thicknesses.
- the press is therefore very simple to build, since the top and bottom Plates of simple rigid structures, for example made of double flange beams composed, can be.
- hoses of the rows of hoses are each vertical are hardly on top of each other on the intermediate plates Bending forces applied and the force flow becomes immediate introduced from the press surface into the lower support plate. If larger strokes are required, more can be done can be used as two rows of hoses. Although one horizontal arrangement (vacuum press) with bottom movable press surface is put through, others can Arrangements with multiple hose levels can be performed. It should separate hoses in the superimposed Rows can be used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Veneer Processing And Manufacture Of Plywood (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Press Drives And Press Lines (AREA)
Description
- Fig. 1
- eine teilgeschnittene Frontansicht einer Presse,
- Fig. 2
- eine verkürzt dargestellte Seitenansicht der Plattenpresse,
- Fig. 3
- eine perspektivische Schnittansicht eines Details einer Heizplatte,
- Fig. 4 und 5
- Ansichten entsprechend Figur 1 in zwei Arbeitsstellungen, und
- Fig. 6
- ein schematisches Anordnungs- und Schaltbild der Pneumatikanschlüsse der Preßschläuche.
Claims (6)
- Presse, insbesondere Plattenpresse für die Holzbearbeitung, mit Pressenantrieb durch pneumatisch aufweitbare Schläuche (19), wobei übereinander wenigstens zwei Reihen (20, 21) von Schläuchen (19) vorgesehen sind, dadurch gekennzeichnet, daß die Schläuche (19) in wenigstens zweier Schlauchreihen (20, 21) mit ihren Enden und insbesondere mit End-Pneumatikanschlüssen (23) in Schlauch-Längsrichtung gegeneinander versetzt angeordnet sind.
- Presse nach Anspruch 1, dadurch gekennzeichnet, daß die Schläuche (19) der Schlauchreihen (20, 21) jeweils gleich lang sind.
- Presse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die einseitig mit End-Pneumatikanschlüssen (23) versehenen Schläuche (19) unterschiedlicher Schlauchreihen (20; 21) die End-Pneumatikanschlüsse (23) an unterschiedlichen Enden (22) der Schläuche (19) aufweisen.
- Presse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß jeweils in einer Schlauchreihe (20, 21) benachbarte Schläuche (19) abwechselnd an ihrem einen oder anderen Ende (22) angeordnete End-Pneumatikanschlüsse (23) aufweisen.
- Presse, insbesondere Plattenpresse für die Holzbearbeitung nach einem der vorhergehenden Ansprüche, mit Pressenantrieb durch pneumatisch aufweitbare Schläuche (19), mit einem starren rahmenförmigen Pressengestell (12) mit einer versteiften oberen und unteren Trägerplatte (13, 14), wobei eine eine Preßfläche (30) aufweisende Platte im wesentlichen horizontal zumindest teilweise über das Pressengestell hinaus verschiebbar geführt ist, dadurch gekennzeichnet, daß die Schläuche (19) an ihrer Oberseite die als Heizplatte (29) ausgebildete Platte tragen, wobei die Heizplatte (29) gegenüber einer die Heizplatte tragenden Isolierplatte verschiebbar an dieser geführt ist.
- Presse nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der pneumatische Pressenantrieb ein Druckübernahme-Ventil aufweist, das nach einem vorzugsweise impulsgesteuerten Druckaufbau in den Schläuchen (19) diesen Druck über einem vorgegebenen Wert hält.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9307632U DE9307632U1 (de) | 1993-05-19 | 1993-05-19 | Presse, insbesondere Plattenpresse für die Holzbearbeitung |
DE9307632 | 1993-05-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0634253A2 EP0634253A2 (de) | 1995-01-18 |
EP0634253A3 EP0634253A3 (de) | 1995-05-31 |
EP0634253B1 true EP0634253B1 (de) | 2000-07-26 |
Family
ID=6893501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94103642A Expired - Lifetime EP0634253B1 (de) | 1993-05-19 | 1994-03-10 | Presse, insbesondere Plattenpresse für die Holzbearbeitung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5487332A (de) |
EP (1) | EP0634253B1 (de) |
AT (1) | ATE194940T1 (de) |
DE (2) | DE9307632U1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2116499T3 (es) * | 1994-10-12 | 1998-07-16 | Hymmen Theodor Gmbh | Dispositivo para la fabricacion continua de materiales planos en varias capas. |
DE59506581D1 (de) * | 1994-11-18 | 1999-09-16 | Rudolf Steinkogler | Pneumatische Plattenpresse |
DK176689B1 (da) * | 2007-10-04 | 2009-02-23 | Tp Holding Hadsund Aps | Apparat til sammenklemning samt fremgangsmåde og anvendelse af apparat |
EA011436B1 (ru) * | 2008-07-01 | 2009-02-27 | Артур Робертович Кочаров | Способ изготовления деревянных щитов и пресс для его осуществления |
CN111716466A (zh) * | 2020-07-06 | 2020-09-29 | 李敏 | 一种双面自清洁的木工冷压机 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE14892C (de) * | L. E. JANNIN in Paris | Abkühlvorrichtung an hydraulischen Pressen zur. Herstellung von CHches und anderen Abdrücken aus Celluloid | ||
US2735461A (en) * | 1956-02-21 | pater | ||
US2363779A (en) * | 1942-06-25 | 1944-11-28 | Beech Aircraft Corp | Hose actuated press |
US2411043A (en) * | 1943-11-24 | 1946-11-12 | Edward J Klassen | Thermopressure gluing press |
CH273477A (de) * | 1949-05-06 | 1951-02-15 | Steinemann Ulrich Ag | Luftdruckpresse, die zum Furnieren dient. |
US3318232A (en) * | 1963-04-29 | 1967-05-09 | Robert R Bartron | Apparatus for forming sheet plastic and laminating it to an underlayment |
US3213739A (en) * | 1963-09-09 | 1965-10-26 | Neo Ray Products Inc | Fluid actuated press |
CH449933A (de) * | 1966-03-11 | 1968-01-15 | Johann Langzauner & Sohn | Heizplatte für Furnierpressen |
DE6604075U (de) * | 1967-03-08 | 1969-12-18 | Stegherr L | Kolben-zylindervorrichtung,insbesondere fuer furnier-und massivkanten-anleimmaschinen |
US3667891A (en) * | 1969-08-13 | 1972-06-06 | Owens Corning Fiberglass Corp | Molding press |
US3771438A (en) * | 1971-10-12 | 1973-11-13 | L Radakovich | Means for molding |
US4190484A (en) * | 1975-10-20 | 1980-02-26 | Rembert Duvelius | Press for producing shaped articles |
DE2920926A1 (de) * | 1979-05-23 | 1980-11-27 | Friz Helmut A Dipl Ing | Formenpresse |
DD144522A1 (de) * | 1979-06-25 | 1980-10-22 | Klaus Beyer | Furnierpresse |
SU887160A1 (ru) * | 1980-07-21 | 1981-12-07 | Институт Организации И Технологии Сельского Строительства Казахской Сср | Пресс дл склеивани дерев нных полотен |
EP0069770A4 (de) * | 1981-01-16 | 1984-03-01 | Builders Equip Co | Vorrichtung zum verdichten. |
US4429629A (en) * | 1981-10-13 | 1984-02-07 | Leonard Frank W | Press construction |
AT385457B (de) * | 1983-03-16 | 1988-04-11 | Elkom Elektroheizplatten Techn | Elektroheizplatte fuer hydraulische pressen |
AT377942B (de) * | 1983-09-14 | 1985-05-28 | Steinkogler Rudolf | Plattenpresse |
AT379770B (de) * | 1984-09-14 | 1986-02-25 | Steinkogler Rudolf | Holzbearbeitungsmaschine |
US4816103A (en) * | 1987-04-21 | 1989-03-28 | Ethan Ernest | Process for manufacturing corrugated plywood composites |
-
1993
- 1993-05-19 DE DE9307632U patent/DE9307632U1/de not_active Expired - Lifetime
-
1994
- 1994-03-10 AT AT94103642T patent/ATE194940T1/de not_active IP Right Cessation
- 1994-03-10 EP EP94103642A patent/EP0634253B1/de not_active Expired - Lifetime
- 1994-03-10 DE DE59409458T patent/DE59409458D1/de not_active Expired - Fee Related
- 1994-05-02 US US08/236,640 patent/US5487332A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5487332A (en) | 1996-01-30 |
EP0634253A2 (de) | 1995-01-18 |
DE9307632U1 (de) | 1993-09-02 |
DE59409458D1 (de) | 2000-08-31 |
EP0634253A3 (de) | 1995-05-31 |
ATE194940T1 (de) | 2000-08-15 |
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