WO2014202246A1 - Dispositif et procédé permettant d'amener des alaises de chants - Google Patents

Dispositif et procédé permettant d'amener des alaises de chants Download PDF

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Publication number
WO2014202246A1
WO2014202246A1 PCT/EP2014/055166 EP2014055166W WO2014202246A1 WO 2014202246 A1 WO2014202246 A1 WO 2014202246A1 EP 2014055166 W EP2014055166 W EP 2014055166W WO 2014202246 A1 WO2014202246 A1 WO 2014202246A1
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WO
WIPO (PCT)
Prior art keywords
edge
edge band
drive means
bands
band
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.)
Ceased
Application number
PCT/EP2014/055166
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German (de)
English (en)
Inventor
Wolfgang Lübke
Michael Krüger
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Individual
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Individual
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Filing date
Publication date
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Publication of WO2014202246A1 publication Critical patent/WO2014202246A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge

Definitions

  • the present invention relates to a device for feeding edge bands, in particular for the production of furniture panels, comprising a magazine for receiving a plurality of wound rolls of edge bands, a guiding direction for guiding the edge bands to a funnel, and a funnel with a Outlet, where a single edge band is supplied to an edge of a plate-shaped workpiece, and a method for feeding edge bands.
  • EP 2 135 721 discloses a machine for coating narrow-surface sides of plate-shaped workpieces, in which an edge band is fed to a workpiece in a continuous process via a feed device. The edge band is separated during feeding into individual sections and glued or welded to the narrow side of the workpiece plate.
  • the device comprises at least one drive means, by means of which a plurality of edge bands are movable along the guide means, and at least one selection means for selecting which of the several edge bands is moved by the drive means.
  • the selection means are preferably movable in a direction perpendicular to the direction of movement of the edge bands in order to select the desired edge band.
  • the selection means can then be moved along this plurality of edge bands to select an edge band as needed.
  • the selection means can then be switched by way of a control in order to move a single edge band along the guide device to the hopper in each case.
  • the selection means comprise a pressure means for pressing one of the edge bands against the moving drive means.
  • the drive means may comprise a rotatable roller, on which a plurality of edge bands are arranged side by side. By pressing the pressure medium, the edge band can then be conveyed.
  • a braking device is provided in order to keep the edge bands not moved along the guide device in a rest position. This ensures that no edge band from the Guide device can slide out.
  • the selection means may then comprise a release device to release the braking device for an edge band.
  • this may comprise a biased by a spring brake element, which is removed by a loosening se pleasing of the edge band.
  • a first drive means may convey an edge band to the hopper while a second drive means is provided to at least partially retract one of the edge bands from the hopper in the direction opposite to the feed direction. Then, both the first drive means and the second drive means for an edge band can be activated via a selection means. During a short period of time, a first edge band can then be conveyed into the hopper, while a second edge band is withdrawn from the hopper, so that even with a change of the edge bands short cycle times can be achieved.
  • a plurality of selection means are provided, which are movable along the first and / or second drive means.
  • one of the edge bands can optionally be conveyed into the hopper and also partially withdrawn therefrom via the drive means.
  • guide means is provided between the guide means and the drive means for rotating a portion of the edge band about its longitudinal axis substantially 90 °.
  • the drive means can be operated with rollers or rollers which are rotatable about a horizontal axis, while in the supply of the edgeband this is rotated by 90 ° in order to be able to guide a large number of edge bands close to one another in the region of a guide means. Due to the positive guidance on the guide means, it is possible to effectively perform a change with a roll of an edge band, since the edge band is no longer manual must be threaded through the entire device, but only up to the drive means or the selection means, since then the rest of the movement of the edge strip is forced.
  • the guide means need not rotate the edge band exactly 90 °, even a rotation in the longitudinal direction between see 70 ° and 1 10 ° is possible, if then the previous or subsequent guide means are designed accordingly.
  • the guide means for rotating the edge band around the longitudinal axis may also be formed as a part or as an integral portion of the guide device. Then the edge bands run into the guide device with essentially horizontal alignment, where they are rotated in a guide path by approximately 90 ° and then brought together to form a funnel. At the guide track, the guide device can be closed with a cover on which at least partially guide channels are formed. This results in a particularly compact design. In addition, the edge band no longer needs to be threaded in a role change to the guide device.
  • a drive means is moved on which a plurality of edge bands is arranged.
  • An edge band is then selected via a selection means and the selected edge band is moved via the drive means along a guide device and a funnel in order to feed the edge band to an edge of a plate-shaped workpiece.
  • the separation of the drive means from the selection means leads to an effective operation.
  • Figure 1 is a perspective view of an inventive
  • Figure 2 is a perspective view of the device of Figure 1 without guide profiles
  • Figure 3 is a perspective detail view of the funnel of the device of Figure 1;
  • Figure 4 is a side view of the device of Figure 1 in the supply of an edge band;
  • Figure 5 is a detail view of the device of Figure 4.
  • Figures 6A and 6B show two views of the rotating edge band
  • Figures 7A and 7B show two views of a guide means for rotating the
  • a device 1 for feeding edge bands comprises a magazine 2 for receiving a multiplicity of wound-up rollers 30 of edge bands, wherein only one roller 30 is shown in FIG.
  • the individual rollers 30 are separated by intermediate walls 3 on the magazine 2 and arranged side by side.
  • the edge bands are guided to a guide device 4, which is formed from a plate in which a plurality of grooves 5 is recessed.
  • a plurality of edge bands can be conveyed side by side to a funnel 6.
  • the funnel 6 in this case has an inlet 7, at which the edge bands are fed from the guide device 4.
  • the funnel 6 tapers in cross-section and has an outlet 8 to which a single edge band of a machine for coating an edge of a plate-shaped workpiece is supplied, as disclosed for example in EP 2,135,721.
  • the term "funnel" 6 does not necessarily require a funnel shape, but other guide means may be provided to deliver a single edge band to an outlet 8 of the machine.
  • the shape and design of the guide means 4 and the funnel 6 can be modified as needed.
  • the guide device 4 may also have other guide means than grooves 5, such as strips, rollers or other guide elements.
  • the selection means 20 is movable along the plurality of rollers 30 on the magazine 2, for which purpose two profiles 23 and 24 are provided, on each of which drives 25 and 26 are provided which are coupled, for example, with an endless belt, for example as a toothed belt. around the selection means 20 along the professional le 23 and 24.
  • a plurality of selection means 20 may be provided on the upper side of the magazine 2.
  • each guide rollers 14 and 15 are provided for an edge band.
  • the funnel 6 of the device 1 is shown enlarged. From the grooves 5 of the guide device 4, edge bands can be conveyed to an inlet 7 on the funnel 6. In the region of the inlet 7 a plurality of webs 60 are provided for guiding the edge bands, in order to ensure that they can not wind up within the funnel 6 to form a roll. The edge bands are guided by the webs 60 on the funnel 6 to an outlet 8, to then be coated on a plate which is moved in a conveying direction, as shown by the arrow 9.
  • FIG. 4 shows the guidance of an edge band 31 out of the magazine 2.
  • the edge band 31 is unwound from a roller 30, which is held between two intermediate walls 3 and is supported on its underside on a plurality of rollers 32.
  • the roller 30 is thereby rotatably supported and can be rotated when the edge band 31 is pulled off.
  • the edge band 31 is guided to the top of the magazine 2 and moved between two guide rollers 16 and 17 therethrough. Behind the guide rollers 16 and 17, a first drive means 10 and a second drive means 12 are arranged, wherein the drive means 10 and 12 are formed by rollers which extend over the entire length of the magazine 2.
  • the drive means 10 and 12 are rotatably driven by a drive, not shown. Behind the two drive means 10 and 12, the edge band 31 between see two guide rollers 14 and 15 is passed, and then subsequently behind a transition between the guide rollers 14 and 15 to be rotated by 90 °. A portion 34 of the edge band 31 is guided between the guide rollers 14 and 15 and then between two guide rollers 33 with a vertical axis.
  • the guide rollers 33 may be covered on a top with a bar, so that individual vertical opening slots for performing a portion 34 of the edge band 31 are provided so that the edge bands are then introduced into the grooves 5 on the guide means 4.
  • Adjacent to the drive means 10 and 12 is in each case a selection means 20, 20 'is provided, is selected by means of which edge band 31 is fed to the guide means 4 the hopper 6 and thus the subsequent machine.
  • the first selection means 20 comprises a carriage 28, which is movable along the profile 23 and is driven by the drive 25.
  • an actuating means 27 is held to move a pinch roller 21 via a holder 22 in the vertical direction, as indicated by the arrow.
  • the actuating means 27 may be formed as a hydraulic cylinder, electromechanical actuating means or other actuating means by means of which the holder 22 is movable in the vertical direction.
  • the drive means 12 is designed as a drive roller, which has a coating 13 made of an elastic material on the outer periphery, in particular rubber. Thereby, the edge band 31 can be moved by the drive means 12 when selected by the selection means 20.
  • the drive means 12 is driven counterclockwise, so that upon pressing the pressure roller 21 against the edge band 31, the edge band 31 is withdrawn from the hopper 6.
  • a further actuating means 37 is provided on the carriage 29, by means of which a holder 22 and a pressure roller 21 can be moved in the vertical direction.
  • the edge band 31 can be pressed against the drive means 10, which is likewise designed as a drive roller and has an elastic surface 11 with a coating of rubber or plastic, in order to improve the adhesion of the edge band 31.
  • the drive means 10 is driven in a clockwise direction, so that when pressing a pinch roller 21 against the edge band, the edge band 31 is fed to the hopper 6, to then subsequently coat it on the narrow side of a material plate.
  • a braking device 40 which has a movable brake element 41 which is biased by a spring 42 against the edge band 31.
  • the edge band 31 is in Area of the braking device 40 is guided on an upper side of a profile 50 and can be clamped there.
  • the spring 42 is supported on a stationary holder 43, which extends for example as a bar parallel to the profile 50.
  • a separate braking device 40 is provided for each edge band 31.
  • the brake element 41 is movable via a rod 44, at the top of a driver 48 is fixed.
  • the rod 44 can be moved via a first lever 47 or a second lever 45 in the vertical direction, as indicated by the arrow.
  • the first lever 47 is via an actuating means 49 and second lever 45 is movable via an actuating means 46.
  • the actuating means 46 and 49 may comprise, for example, pneumatic, hydraulic or electromechanical cylinders. Other actuating means 46 can be used.
  • the first lever 47 or the second lever 45 moves the rod 44 upwards and thus pulls the brake element 41 away from the edge band 31 against the force of the spring 42.
  • the edge band can now be moved freely between the brake element 41 and the profile 50.
  • the brake element 41 may consist of an elastic material, such as foam, to leave no pressure points on the edge band 31.
  • the drive means 10 and 12 are continuously rotated.
  • the edge bands 31 are arranged at a slight distance from the drive means 10 and 12, and the drive means 10 and 12 are moved in idle without conveying an edge band 31.
  • the selection means 20 or 20 'moves along the profiles 23 or 24 until a pressure roller 21 or 35 is arranged adjacent to the drive means 10 or 12, on which the selected edge band 31 is arranged.
  • the actuating means 46 or 49 is first activated to lift the rod 44 and thus to release the brake member 41, so that the edge band 31 can now be moved freely.
  • the pinch roller 21 or 35 is pressed onto the edge band 31, so that it is now moved between the pinch roller 21 or 35 and the drive means 10 or 12.
  • One or more position detection means can be provided in the area of the funnel 6 in order to determine the position of the supplied edge band and accordingly, to control the movement of the edge band 31. By lifting the pinch roller 21 or 35, the feeding movement can be interrupted. Now, if the supply of an edge band 31 is to be terminated, for example, because another edge band is to be supplied with a different color, the other selection means 20 or 20 'above the drive means 10 or 12 is first positioned. The associated braking device 40 has set the further edge band 31 and released by an actuating means 46 or 49, the braking device 40.
  • the pressure roller 21 or 35 is now moved over the actuating means 27 or 37 down to press the other edge band 31 against the second drive means 10 or 12, so that the further edge band 31 is at least partially withdrawn from the hopper 6, preferably so far in that the edge band 31 no longer obstructs the feeding of another edge band 31. If the edge band 31 has been sufficiently withdrawn from the hopper 6, the pinch roller 21 or 35 is raised again by the drive means 10 or 12 and the edge band 31 is fixed via the brake device 40. For this purpose, the actuating means 46 or 49 are actuated accordingly.
  • edge band 31 is now fixed via the braking device 40 until the next conveying process and the device 1 can now select via the selection means 20 or 20 'another edge band 31 which is now fed to the guide device 4 and the funnel 6.
  • two drive means 10 and 12 are arranged so that two edge bands 31 can be conveyed simultaneously. It is of course also possible to provide only a single drive means 10 or 12, which can be driven in opposite directions, and therefore each feeds an edge band 31, partially withdraws from the hopper 6 and then moves to a further edge band 31.
  • the embodiment according to the invention has the advantage that already during the retraction of an edge band 31 via the drive means 12, a further edge band 31 can be fed to the hopper 6 via the drive means 10, which shortens the cycle times.
  • a selection means 20 can be provided above the magazine 2, it also being possible for a plurality of selection means 20 to be arranged so as to be movable along one of the profiles 23 and 24. This does increase the Control effort, but shortens the waiting time when changing the edge band.
  • the pressure rollers 21 and 35 have approximately the width of an edge band 31, so that it is ensured that only a single edge band 31 is moved via a drive means 10 or 12.
  • the drive rollers of the drive means 10 and 12 extend over the entire width of the magazine 2, so that all edge bands adjacent to the drive means 10 and 12 are arranged side by side and then optionally via a pinch roller 21 a selection can be made, which edge band 31 now the funnel. 6 is fed or withdrawn from this.
  • FIGS. 6A and 6B show the section 34 of the edge band 31 which is arranged between the horizontal axis guide roller 14 and the vertical axis guide roller 33.
  • the section 34 is rotated in this area by approximately 90 ° about its longitudinal axis, so that the rectangular in cross-section edge band is guided by a horizontal flat position in a substantially perpendicular thereto position. If during the threading of the edge band this is rotated manually and moved between the guide rollers 33, the device can do without separate guide means for rotating the edge band about its longitudinal axis.
  • FIGS. 7A and 7B show a guide means in the form of a housing 70 which forms a positive guide for the section 34 of the edge band in order to rotate it about its longitudinal axis parallel to the longitudinal direction by a certain angle, preferably by more than 60 ° , in particular about 90 °.
  • the housing 70 comprises an upper housing shell 71 and a lower housing shell 72, which enclose a channel 73 in which an edge band 31 is received with play.
  • the channel 73 has at one entrance a rectangular cross-sectional contour which is oriented substantially horizontally and an exit in which the same rectangular cross-section is oriented substantially vertically.
  • the channel 73 has for this purpose corresponding wall sections 74, which are shown in Figure 7A with dashed lines.
  • the contour of the channels 73 may be milled or otherwise made in the housing 70, wherein the housing 70 may be made of plastic or metal.
  • a plurality of channels 73 may be formed side by side so that substantially each edge band that can be conveyed by the device also has a channel 73 for rotating the channel. tenbandes assigned. In this case, it is possible to dispense with the turning of the edge band during manual threading into the guide device 4, since a forced guidance is provided via the housing 70, so that the edge band only changes as far as the selection means 20 when a roll 30 is changed or an input of the housing 70 must be threaded. This greatly simplifies a change operation of a roller 30.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

L'invention concerne un dispositif (1) permettant d'amener des alaises de chants (31), en particulier pour la fabrication de plateaux de meuble. Ce dispositif comprend un magasin (2) permettant de loger une pluralité de rouleaux enroulés (30) d'alaises de chants (31), un dispositif de guidage (4) destiné à amener les alaises de chants (31) à un entonnoir (6), un entonnoir (6) pourvu d'une sortie (8) à laquelle une alaise (31) individuelle d'un chant d'une pièce en forme de plateau est amenée, au moins un moyen d'entraînement (10, 12) permettant de déplacer plusieurs alaises de chants (31) le long du dispositif de guidage (4), et au moins un moyen de sélection (20) permettant de choisir laquelle des différentes alaises de chants (21) est déplacée par le moyen d'entraînement (10, 12). L'invention concerne en outre un procédé permettant d'amener des alaises de chants, selon lequel la complexité des moyens d'entraînement et de la commande est minimisée.
PCT/EP2014/055166 2013-06-18 2014-03-14 Dispositif et procédé permettant d'amener des alaises de chants Ceased WO2014202246A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013106330.6 2013-06-18
DE102013106330.6A DE102013106330A1 (de) 2013-06-18 2013-06-18 Vorrichtung und Verfahren zum Zuführen von Kantenbändern

Publications (1)

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WO2014202246A1 true WO2014202246A1 (fr) 2014-12-24

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PCT/EP2014/055166 Ceased WO2014202246A1 (fr) 2013-06-18 2014-03-14 Dispositif et procédé permettant d'amener des alaises de chants

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DE (1) DE102013106330A1 (fr)
WO (1) WO2014202246A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017128349A1 (de) * 2017-11-30 2019-06-06 Ima Klessmann Gmbh Holzbearbeitungssysteme Kantenbearbeitungsanordnung
IT201800005049A1 (it) * 2018-05-03 2019-11-03 Gruppo bordatore per la bordatura di pannelli di legno o simili
DE102019129804A1 (de) * 2019-11-05 2021-05-06 Surteco Gmbh Automatisierte Verpackung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722225A1 (de) * 1977-05-17 1978-11-23 Torwegge Maschf F Kantenanleimmaschine
EP2095921A2 (fr) * 2008-02-27 2009-09-02 IMA Klessmann GmbH Holzbearbeitungssysteme Dispositif de guidage de bandes de rebords
DE102009010792A1 (de) * 2009-02-26 2010-09-02 Lübke, Wolfgang Mehrachsroboter zum Bestücken einer Kantenzuführeinrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008029166B4 (de) 2008-06-19 2010-08-12 Ima Klessmann Gmbh Holzbearbeitungssysteme Maschine zum Beschichten von Schmalflächenseiten plattenförmiger Werkstücke

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722225A1 (de) * 1977-05-17 1978-11-23 Torwegge Maschf F Kantenanleimmaschine
EP2095921A2 (fr) * 2008-02-27 2009-09-02 IMA Klessmann GmbH Holzbearbeitungssysteme Dispositif de guidage de bandes de rebords
DE102009010792A1 (de) * 2009-02-26 2010-09-02 Lübke, Wolfgang Mehrachsroboter zum Bestücken einer Kantenzuführeinrichtung

Also Published As

Publication number Publication date
DE102013106330A1 (de) 2014-12-18

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