EP3318379B1 - Dispositif de presse - Google Patents

Dispositif de presse Download PDF

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Publication number
EP3318379B1
EP3318379B1 EP17001721.4A EP17001721A EP3318379B1 EP 3318379 B1 EP3318379 B1 EP 3318379B1 EP 17001721 A EP17001721 A EP 17001721A EP 3318379 B1 EP3318379 B1 EP 3318379B1
Authority
EP
European Patent Office
Prior art keywords
drive units
rail
press device
pressure
synchronizing
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
EP17001721.4A
Other languages
German (de)
English (en)
Other versions
EP3318379A1 (fr
Inventor
Steffen Zeidler
Erhard Jung
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.)
Weinig Dimter & Co KG GmbH
Original Assignee
Weinig Dimter & Co KG GmbH
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 Weinig Dimter & Co KG GmbH filed Critical Weinig Dimter & Co KG GmbH
Priority to SI201730129T priority Critical patent/SI3318379T1/sl
Publication of EP3318379A1 publication Critical patent/EP3318379A1/fr
Application granted granted Critical
Publication of EP3318379B1 publication Critical patent/EP3318379B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/0026—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally
    • B27M3/0053—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected laterally using glue
    • 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
    • B30B1/32—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 plungers under fluid pressure
    • B30B1/34—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 plungers under fluid pressure involving a plurality of plungers acting on the platen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height

Definitions

  • the invention relates to a pressing device for pressing lamellae into a lamellar carpet according to the preamble of claim 1.
  • a pressing device is from the EP 1 762 353 A1 known.
  • lamella carpets of wood slats It is known to form lamella carpets of wood slats. For this purpose, provided on a long side with glue wood slats are placed on a press table and pressed by means of pressure pieces transversely to its longitudinal direction against a stop. Since the pressure pieces extend due to friction and the like. Undefined, the individual cylinders must be rigidly connected to each other via a bar (synchronized). On the press table usually two or more lamellar carpets are formed simultaneously. Since the lamella carpets often do not have the same width, there is a problem with a rigid bar that the plungers press the one plate carpet with sufficient force against a stop, the other, narrower plate carpet can not compress with sufficient force.
  • the invention has for its object to form the generic pressing device so that the lamellar carpets are reliably pressed even with different width of the pressure pieces. This object is achieved according to the invention in the generic pressing device with the characterizing features of claim 1.
  • the drive units are releasably connected to the synchronizing rail.
  • the drive units and the synchronizing rail are moved in the direction of the lamella carpets.
  • the pressure pads come into contact with the respective lamellar carpet, they press it against a stop, whereby the lamellas within the lamella carpet are pressed firmly against each other. If one of the lamellar carpets is narrower, the pressure pads associated with this lamella carpet do not yet come into contact with it when the other pressure pads are already resting against the wider lamellar carpet and compressing it.
  • the drive units whose pressure pads have not yet come to rest on the narrower lamellar carpet, continue to move the synchronizing rail. As soon as the force exerted by these drive units on the synchronizing rail is greater than the holding force between the synchronizing rail and the drive units, the pressure pads of which lie against the wider lamellar carpet, these drive units are released from the synchronizing rail. The released drive units continue to press the wider lamellar carpet firmly against the stop, while the drive units whose pressure pads have not yet come to rest on the narrower lamellar carpet are moved further together with the synchronizing rail. As soon as the corresponding pressure pieces come into contact with the narrower lamellar carpet, this too is pressed firmly against the stop by the pressure pieces.
  • the holding force between the drive units and the synchronizing rail is formed by a magnetic force. It is set so that the drive units, the pressure pads are already applied to the lamellar carpet, are released from the synchronizing, which are transported with the other drive units whose pressure pads are not yet applied to the lamellar carpet.
  • each drive unit is provided with at least one guide which is fixedly connected to the pressure piece and releasably connected to the synchronizing rail.
  • This guidance of the drive units is advantageously coupled by means of the holding force to the synchronizing rail.
  • At least one anchor plate is provided on the guide, which cooperates with at least one magnet provided on the synchronizing rail. If the drive unit stops, because the pressure piece assigned to it comes into contact with the lamellar carpet, then the magnet of the synchronizing rail, which has been further displaced by the other drive units, releases from the armature plate of the now fixed drive unit.
  • the anchor plate can of course also be provided on the synchronizing rail and the magnet on the guide of the respective drive unit.
  • the magnet is formed by an electromagnet.
  • the electromagnet has the advantage that individual drive units can be deactivated.
  • a permanent magnet can also be used, which also makes it possible for the synchronizing rail to be uncoupled from the drive units which are no longer moving.
  • the drive units are in addition to the guide also provided with at least one cylinder in which a connected to the pressure piece piston rod is slidably mounted. With it, the pressure pieces can be moved properly during the pressing process.
  • all drive units are connected to a common pressure source.
  • a very simple operation of the drive units is possible.
  • the drive units are provided with Pneumaktik- or hydraulic cylinders.
  • the drive units and the synchronizing rail are provided so that the drive units exert a compressive force on the synchronizing rail. As a result, the synchronizing rail is reliably taken along by the drive units.
  • the plungers are advantageously at a small distance next to each other, so that they can be moved properly independent of each other during the pressing process.
  • the pressing device described below serves to press on a press table 1 lying slats 2 against a stopper 3.
  • the slats 2 consist in a known manner from each other with their longitudinal sides adjacent and glued together slats 4, which preferably consist of wood.
  • On the press table 1 several lamellar carpets 2 are pressed against the common stop 3 next to each other.
  • a pressing device 5 provided, the adjacent plate-shaped pressure pieces 6 has. They attack on the side facing away from the stop 3 ends of Lammellenteppiche 2 and press them against the stop. 3
  • the pressing device 5 has a rail 7 forming a synchronizing rail, which extends over the length of the pressing device 5.
  • the rail 7 in the exemplary embodiment L-shaped cross-section, but can also have any other cross-sectional education.
  • the rail 7 is mounted on guides 8, which are distributed over the length of the rail 7. They are parallel to each other and can have any suitable cross-sectional shape.
  • the guides 8 each sit on a console 9.
  • the brackets 9 are advantageously the same design and have for example triangular shape.
  • the pressure plates 15 engage under with a transversely projecting at its lower edge bar 15a at the ends facing away from the laminated carpets 2 the plungers 6, which are advantageously screwed to the strips 15a.
  • the pressure plates 15 extend from the pressure pieces 6 upwards. How out Fig. 1 As can be seen, the upwardly extending pressure plates 15 are narrower than the plungers 6. Die Of course, printing plates 15 can also have the same width as the printing pieces 6.
  • the guides 13 are guided in the guide plates 10, so that the plungers 6 can be moved reliably during the pressing process.
  • the guide plates 10 are parallel to the pressure plates 15 and the anchor plates 14. As from the Fig. 2 and 4 to 6 shows the guides 8 are for the rail 7 in the area above the guide plates 10th
  • the cylinders 11 of the drive units 12 are attached to the guide plates 10.
  • the cylinders 11 have an outwardly projecting flange 16, with which they are attached to the pressure pieces 6 facing the end of the guide plates 10 fitting. With a projection 17, the cylinders 11 protrude into a passage opening 18 in each case such that the projection 17 rests with its outside on the edge of the passage opening 18. In this way, the cylinder 11 can be fixed in a simple manner positionally accurate to the guide plates 10.
  • the cylinders 11 of the drive units 12 can be attached to the guide plates 10 in any other suitable manner.
  • a piston rod 19 is in each case displaceable, which protrudes from the cylinder 11 and is fixedly connected to the respective pressure plate 15.
  • the piston rod 19 is provided with a piston 20 which is guided sealed in the cylinder 11.
  • All drive units 12 are connected to a common drive source.
  • a drive medium can advantageously be used hydraulic or pneumatic medium. Become with the print medium Therefore, all drive units 12 acted upon simultaneously, so that the plungers 6 are moved synchronously with each other in the direction of lying on the press table 1 lamella carpets 2.
  • the cylinders 11 and the piston rods 19 are advantageously in the region below the guides 13.
  • armature plates 14 facing side of the rail 7 electromagnets 21 are provided, which cooperate with the armature plates 14.
  • Fig. 4 shows the rail 7 in the starting position, in which the electromagnets 21 can cooperate with the anchor plates 14.
  • Fig. 3 Some of the electromagnets 21 are designated.
  • the plungers 26 are in the retracted starting position, which in Fig. 2 is shown. All plungers 6 are at the same height with a small distance next to each other. In this position of the plungers, the piston rods 19 and the cylinder 11 are retracted ( Fig. 4 ).
  • the spaced-apart lamella carpets 2 do not have the same width. This has the consequence that not all pressure pieces 6 come simultaneously to the ends of the slats 2 facing them to the plant.
  • the exemplary arrangement as shown in FIG Fig. 1 is shown, come some of the Plungers 6 first on the lamellar carpet 2 'to the system, said pressure pieces 6, the lamellae 4 of this lamellar carpet 2' press firmly against the stopper 3.
  • the remaining plungers 6 are still at a distance from the narrower lamellar carpets 2 ", 2"'opposite them.
  • the magnetic force of the pressing device 5 is adjusted so that the electromagnets 21 can disengage from the armature plates 14 of the thrust pieces 6 resting against the laminate carpet 2 '.
  • the rail 7 is taken further by the remaining piston rods 19 via the guides 13 until the next pressure pieces 6 come to rest against the next narrower slat carpets 2 "In this position, the pressure pieces which are assigned to the slat carpet 2 '" are still at a distance from this lamellar carpet.
  • the pressure rods associated with these piston rods 19 are therefore further extended from the cylinders 11.
  • the electromagnets 21 of the rail 7, which cooperate with the anchor plates 14 of the lamella carpets 2 "pressure pads 6, detach from these anchor plates, since the pressure exerted by the piston rods 19 on the plungers 6 force is greater than the magnetic force between the electromagnet 21st and the anchor plates 14.
  • the piston rods 19 are then extended so far, even on the lamellar carpet 2 "'the plungers 6 come to rest.
  • Fig. 5 shows a position in which the electromagnet 21 of the rail 7 has released from the associated armature plate 14 and the rail 7 has been moved further.
  • Fig. 6 shows the position in which the rail 7 is shifted furthest.
  • the anchor pieces 14 of those drive units 12, which have moved the rail 7 in the position shown, are applied to the corresponding electromagnet 21 of the rail 7.
  • the voltage applied to each of the lamella carpets 6 are set by the associated drive units 12 under the required pressing pressure.
  • Fig. 1 shows by way of example, with the pressure pieces 6 at the same time differently wide lamellar carpets 2, 2 ', 2 ", 2'" against the stopper 3 are pressed.
  • About the rail 7 are starting from the starting position ( Fig. 4 )
  • all the piston rods 19 of the plungers 6 are extended from the cylinders 11, wherein all the electromagnets 21 of the rail 7 with the anchor plates 14 of the guides 13 cooperate.
  • the corresponding drive units 12 are decoupled from the rail 7 in the manner described.
  • the remaining drive units 12 move the rail 7 and the remaining pressure pads 6 further in the direction of the narrower slat carpets 2 ", 2"'.
  • the pressing device 5 is characterized by a structurally very simple structure. The use of magnetic force does not require expensive and delicate components.
  • the plungers 6 advantageously have a width which is smaller than the length of the lamellae 4 or the length of the lamella carpets 2.
  • the lamellar carpet 2 can be replaced by two or more plungers 6 (FIG. Fig. 1 ) are pressed against the stopper 3.
  • the lamellar carpet 2 can be compressed uniformly over its length in this way.
  • the printing medium ensures that the uncoupled from the rail 7 drive units 12 are still under pressure, so that they can put the slat carpet under the required pressing pressure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Carpets (AREA)

Claims (10)

  1. Dispositif presseur, destiné à compresser des lamelles adjacentes, collées entre elles en un tapis de lamelles, comprenant des pièces de pression (6), qui sont déplaçables au moyen d'unités d'entraînement (12), caractérisé en ce que les unités d'entraînement (12) sont reliées de manière amovible avec au moins une barre de synchronisation (7), de telle sorte que les unités d'entraînement (12) se désaccouplent de la barre de synchronisation (7), lors d'un dépassement d'une force de retenue prédéfinie.
  2. Dispositif presseur selon la revendication 1, caractérisé en ce que la force de retenue est une force magnétique.
  3. Dispositif presseur selon la revendication 1 ou 2, caractérisé en ce que l'unité d'entraînement (12) est munie d'au moins un guidage (13) qui est relié de manière fixe avec la pièce de pression (6) et de manière amovible avec la barre de synchronisation (7).
  4. Dispositif presseur selon la revendication 3, caractérisé en ce que le guidage (13) est accouplé avec la barre de synchronisation (7) au moyen de la force de retenue.
  5. Dispositif presseur selon la revendication 3 ou 4, caractérisé en ce que sur le guidage (13) est prévue au moins une plaque d'ancrage (14) qui coopère avec au moins un aimant (21) prévu sur la barre de synchronisation (7).
  6. Dispositif presseur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'unité d'entraînement (12) comporte un cylindre (11) dans lequel une tige de piston (19) reliée avec la pièce de pression (6) est logée de manière déplaçable.
  7. Dispositif presseur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que toutes les unités d'entraînement (12) sont raccordées sur une source de pression commune.
  8. Dispositif presseur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les unités d'entraînement (12) comportent des cylindres pneumatiques ou hydrauliques (11).
  9. Dispositif presseur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les unités d'entraînement (12) exercent une force de pression sur la barre de synchronisation (7).
  10. Dispositif presseur selon l'une quelconque des revendications 1 à 9, caractérisé en ce que les pièces de pression (6) sont placées côte à côte avec un écart.
EP17001721.4A 2016-11-04 2017-10-18 Dispositif de presse Active EP3318379B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201730129T SI3318379T1 (sl) 2016-11-04 2017-10-18 Stiskalna naprava

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016013407.0A DE102016013407A1 (de) 2016-11-04 2016-11-04 Pressvorrichtung

Publications (2)

Publication Number Publication Date
EP3318379A1 EP3318379A1 (fr) 2018-05-09
EP3318379B1 true EP3318379B1 (fr) 2019-08-28

Family

ID=60153032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17001721.4A Active EP3318379B1 (fr) 2016-11-04 2017-10-18 Dispositif de presse

Country Status (4)

Country Link
EP (1) EP3318379B1 (fr)
DE (1) DE102016013407A1 (fr)
DK (1) DK3318379T3 (fr)
SI (1) SI3318379T1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1693606A (en) * 1927-06-11 1928-12-04 Gamble Brothers Inc Gluing machine
US2366588A (en) * 1941-08-16 1945-01-02 Mereen Johnson Machine Company Plywood core machine
US4547255A (en) * 1984-10-09 1985-10-15 Modern Globe, Inc. Press construction
AT502177B1 (de) * 2005-09-13 2007-02-15 Springer Maschinenfabrik Ag Presssystem
SI23448A (sl) * 2011-08-18 2012-02-29 Gregor Ledinek Avtomatska stiskalnica za kriĺ˝no lepljenje masivnih lamelnih elementov
DE202012011616U1 (de) * 2012-12-05 2013-12-06 H.I.T. Maschinenbau Gmbh + Co. Kg Presse für Leimbinder

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP3318379A1 (fr) 2018-05-09
DE102016013407A1 (de) 2018-05-09
SI3318379T1 (sl) 2019-12-31
DK3318379T3 (da) 2019-12-02

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