WO2000007768A1 - Machine with several stations for machining plate-like workpieces - Google Patents

Machine with several stations for machining plate-like workpieces Download PDF

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Publication number
WO2000007768A1
WO2000007768A1 PCT/EP1999/005452 EP9905452W WO0007768A1 WO 2000007768 A1 WO2000007768 A1 WO 2000007768A1 EP 9905452 W EP9905452 W EP 9905452W WO 0007768 A1 WO0007768 A1 WO 0007768A1
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WO
WIPO (PCT)
Prior art keywords
stations
station
carousel
workpiece clamping
machine according
Prior art date
Application number
PCT/EP1999/005452
Other languages
German (de)
French (fr)
Inventor
Detlef Lindenschmidt
Christian Zelus
Original Assignee
Ima Maschinenfabriken Klessmann 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 Ima Maschinenfabriken Klessmann Gmbh filed Critical Ima Maschinenfabriken Klessmann Gmbh
Publication of WO2000007768A1 publication Critical patent/WO2000007768A1/en

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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
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/64—Movable or adjustable work or tool supports characterised by the purpose of the movement
    • B23Q1/66—Worktables interchangeably movable into operating positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/04—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps
    • B23Q39/042—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps with circular arrangement of the sub-assemblies
    • B23Q39/046—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps with circular arrangement of the sub-assemblies including a loading and/or unloading station
    • 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
    • B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors

Definitions

  • the invention relates to a machine of the type specified in the preamble of claim 1.
  • Machines are known in which the individual stations, such as the workpiece feed station, the formatting station, the edge banding station, the postprocessing station and the workpiece removal station, are arranged in a straight line one behind the other.
  • the conveyor device that connects the stations consists of a linear conveyor, such as a single or multi-strand chain, the links of which have clamping claws for fixing the workpieces.
  • the workpieces are processed in a continuous or discontinuous pass, and the conveyor is driven accordingly.
  • These machines are less suitable for all-round machining of the workpieces because the workpieces are not accessible at the clamping points for the machining tools, which is why the workpieces have to be reclamped for complete machining.
  • processing machines for plate-shaped workpieces in the form of a so-called machining center, in which the workpieces on clamping tables are tig cantilevered and can be machined accordingly along their edges in each or in certain operations.
  • the workpiece clamping tables can be arranged in a fixed or linearly movable manner.
  • these machines either have several machining stations on a clamping table or two machining stations on clamping tables that can be moved parallel to one another, the machining units for the individual machining processes then being arranged at a support which is relative to the individual processing stations can be moved.
  • the invention is based on the object of creating a machine of the type mentioned at the outset which offers the advantages of the workpiece arrangement on a clamping table and enables greater variability in workpiece machining.
  • the workpiece clamping tables on the carousel for processing the workpieces fixed on the clamping tables gradually reach the individual processing stations and are stopped there for the required processing time.
  • Each of these stations per se can be regarded as a machining center which carries out the same or different machining operations in relation to the preceding or the subsequent machining station.
  • the only exception to this is the set-up or operating station at which the workpieces to be machined are placed on the clamping table located there or the machined workpieces are removed from the clamping table.
  • three, four or more stations can be provided along the periphery of the carousel, and two or more clamping tables can also be arranged on the carousel.
  • the supports are equipped with appropriate processing units, these processing units generally being able to be moved in the usual three machine axes on the supports and / or by the supports, that is to say in the level of the clamping tables stopped at the processing stations and perpendicular to it.
  • the drawing shows a plan view of a machine for processing plate-shaped workpieces with workpiece clamping tables arranged on a carousel.
  • a carousel 1 can be seen in the drawing, which here essentially consists of an annular disk 2, but can also be formed, for example, from arms arranged in a star shape, in which case the carousel 1 is centered around the center Z in the direction of the arrow A. cyclically rotates through a predetermined angle.
  • the angle of rotation per cycle is 90 degrees, which corresponds to the number of four stations 3 to 6 present, which are arranged at an angular distance of 90 degrees along the periphery of the carousel 1.
  • Station 3 is a set-up station at which the machined workpiece is removed from the workpiece clamping table 7 stopped there during continuous work cycles and an unprocessed workpiece is placed on the workpiece clamping table 7.
  • These are plate-shaped workpieces that are made of wood or wood-like materials and from which, for example, front parts for furniture, such as doors, flaps or drawer fronts, are available be done. Accordingly, the plate-shaped workpieces are given a specific format and a desired contour along their narrow surface sides, to which an edge strip is subsequently glued, which must be trimmed and cut flush with the top and bottom of the plate.
  • the station 4 following the set-up station 3 in the direction of rotation of the carousel 1 is a formatting station at which the plate-shaped workpieces receive the desired format.
  • the subsequent station 5 is an edge banding station, on which an edge strip is glued onto the cut narrow sides of the plate-shaped workpieces. This edge strip protrudes on the top and bottom of the panel for tolerance compensation, and it also has a protrusion over the length of the respective narrow side of the panel.
  • the workpiece clamping tables 7 have suction clamps 8 for the fixation of the plate-shaped workpieces, which are arranged on beams 9 so as to be longitudinally displaceable.
  • the suction clamps 8 can be displaced in the longitudinal direction of these beams 9, but on the other hand the beams 9 can also be moved on straight beam guides 10 so that the suction clamps 8 can be set to those positions in which they can be used for all-round machining of the plate-shaped workpieces at the individual processing stations 3 to 6 are not a hindrance.
  • the clamping tables 7 have a total together with a rectangular format and the transverse center of these clamping tables 7 lies in the radial direction of the carousel 1.
  • the disc forming the carousel 1 Corresponding to the straight, outward boundary of the workpiece clamping tables 7, the disc forming the carousel 1 has marginal flats 18 which run along the respective outer edge of the workpiece clamping table 7 runs and extends along a circular chord accordingly.
  • a support 13 is supported on or on this straight guide by means of a stand 12, which overcracks the carousel 1 as a cantilever support, the support being movable along the straight guide 11 around the workpiece clamping table 7 stopped at the respective station over its entire length and width to be able to paint over.
  • a guide 14 is provided on the support 13, which stands vertically on the straight guide 11 for the stand 12, the respective processing units 15 to 17 being movably mounted on this guide 14.
  • the straight guide 11 of the respective machine station 4, 5 or 6 thus forms the usual X axis, while the associated Y axis is formed by the guide 14 of the support 13. If necessary, the processing units 15 to 17 can be moved vertically to the existing XY processing plane, ie in the direction of the usual Z axis. Due to the rotationally symmetrical arrangement of the ma Fast processing stations 4, 5 and 6, the guide 14 on the support 13 is aligned radially with the center of rotation Z of the carousel 1 approximately in the middle of the travel of the straight guides 11.
  • the processing unit 15 of the formatting station 4 is such a milling unit with which the desired format, such as that of a furniture door, is cut from the plate-shaped blank.
  • the processing unit 16 is a device by means of which the edge stiffeners to be approached on the narrow surface sides of the workpieces can be glued and pressed onto the workpieces.
  • processing unit 17 devices for flush milling the edge strips applied to the sides of the workpiece narrow surface on the upper and lower sides of the respective plate-shaped workpiece, as well as cross-cutting units in order to be able to remove the protrusions of the respective edge strips at the two ends of the relevant side of the workpiece narrow surface.
  • a different number of stations and machine processing devices can also be provided along the carousel 1.
  • the flush milling and the cutting of the edge strips can be assigned to two different machining stations.
  • tation station 4, an edge banding station 5 and a post-processing station 6 to be arranged, the cycle path then being halved compared to the illustrated embodiment.

Abstract

The invention relates to a machine used for machining workpieces made of wood, wood-like materials and/or plastic materials, for producing furniture or interior finishes. Said machine comprises stations (3-6) which can be a setting-up station (3), a formatting station (4), an edge-gluing station (5) and a finishing station (6). At each of these stations the machine presents machining units (15-17) which can be displaced on support elements (13). The stations are linked by means of a transporting device which consists of a circular conveyor (1) on which two or more workpiece clamping tables (7) are positioned which are moved past the stations under clock-pulse control. The stations are positioned next to the periphery of the circular conveyor and the support elements with the machining units are positioned above the circular conveyor and can be displaced so as to move across the entire workpiece clamping table stopping at the corresponding station.

Description

MASCHINE MIT MEHREREN STATIONEN ZUM BEARBEITEN VON PLATTEN- FÖRMIGEN WERKSTÜCKENMACHINE WITH SEVERAL STATIONS FOR MACHINING PLATE-SHAPED WORKPIECES
TECHNISCHES GEBIETTECHNICAL AREA
Die Erfindung bezieht sich auf eine Maschine der im Gattungsbegriff des Patentanspruchs 1 näher bezeichneten Art.The invention relates to a machine of the type specified in the preamble of claim 1.
STAND DER TECHNIKSTATE OF THE ART
Es sind solche Maschinen bekannt, bei denen die einzelnen Stationen, wie die Werkstückaufgabestation, die Formatie- rungsstation, die Kantenanleimstation, die Nachbearbeitungsstation und die Werkstückentnahmestation in geradliniger Reihe hintereinander angeordnet sind. Die die Stationen miteinander verbindende Fördereinrichtung besteht hierbei aus einem Linearförderer, wie einer ein- oder mehrsträngi- gen Kette, deren Glieder Spannpratzen zum Fixieren der Werkstücke haben. Bei derartigen Maschinen werden die Werkstücke im kontinuierlichen oder diskontinuierlichen Durchlauf bearbeitet, entsprechend wird die Fördereinrichtung angetrieben. Für eine Rundumbearbeitung der Werkstücke sind diese Maschinen weniger geeignet, denn die Werkstücke sind an den Spannstellen für die Bearbeitungswerkzeuge nicht zugänglich, deshalb müssen die Werkstücke für eine Komplettbearbeitung umgespannt werden.Machines are known in which the individual stations, such as the workpiece feed station, the formatting station, the edge banding station, the postprocessing station and the workpiece removal station, are arranged in a straight line one behind the other. The conveyor device that connects the stations consists of a linear conveyor, such as a single or multi-strand chain, the links of which have clamping claws for fixing the workpieces. In such machines, the workpieces are processed in a continuous or discontinuous pass, and the conveyor is driven accordingly. These machines are less suitable for all-round machining of the workpieces because the workpieces are not accessible at the clamping points for the machining tools, which is why the workpieces have to be reclamped for complete machining.
Andererseits gibt es Bearbeitungsmaschinen für plattenför- mige Werkstücke in Gestalt eines sogenannten Bearbeitungszentrums, bei denen die Werkstücke auf Spanntischen allsei- tig vorkragend angeordnet werden und entsprechend entlang ihrer Kanten bei jedem oder bei bestimmten Arbeitsgängen rundum bearbeitet werden können. Je nach Ausbildung der linearen Maschinenachsen, in deren Richtungen die Bearbeitungsaggregate und die Werkstücke relativ zueinander verfahrbar sind, können die Werkstückspanntische entweder feststehend oder linear verfahrbar angeordnet sein. Um ei- nen schnelleren Werkstückdurchsatz zu erzielen, sieht man bei diesen Maschinen entweder mehrere Bearbeitungsplätze auf einem Spanntisch oder zwei Bearbeitungsplätze auf parallel zueinander verfahrbaren Spanntischen vor, wobei dann die Bearbeitungsaggregate für die einzelnen Bearbei- tungsvorgänge an einem Support angeordnet sind, der relativ zu den einzelnen Bearbeitungsplätzen verfahrbar ist.On the other hand, there are processing machines for plate-shaped workpieces in the form of a so-called machining center, in which the workpieces on clamping tables are tig cantilevered and can be machined accordingly along their edges in each or in certain operations. Depending on the design of the linear machine axes, in the directions of which the machining units and the workpieces can be moved relative to one another, the workpiece clamping tables can be arranged in a fixed or linearly movable manner. In order to achieve a faster workpiece throughput, these machines either have several machining stations on a clamping table or two machining stations on clamping tables that can be moved parallel to one another, the machining units for the individual machining processes then being arranged at a support which is relative to the individual processing stations can be moved.
DARSTELLUNG DER ERFDINDUNGPRESENTATION OF THE INVENTION
Der Erfindung liegt nun die Aufgabe zugrunde, eine Maschine der eingangs genannten Art zu schaffen, welche die Vorteile der Werkstückanordnung auf einem Spanntisch bietet und eine höhere Variabilität bei der Werkstückbearbeitung ermöglicht.The invention is based on the object of creating a machine of the type mentioned at the outset which offers the advantages of the workpiece arrangement on a clamping table and enables greater variability in workpiece machining.
Diese Aufgabe wird bei einer Maschine der gattungsbildenden Art nach der Erfindung durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst. WEGE ZUR AUSFÜHRUNG DER' ERFINDUNGThis object is achieved in a machine of the generic type according to the invention by the characterizing features of patent claim 1. WAYS OF IMPLEMENTING THE 'INVENTION
Für die Erfindung ist wesentlich, daß die Werkstückspanntische auf dem Karussell zur Bearbeitung der auf den Spanntischen fixierten Werkstücke nach und nach taktweise zu den einzelnen Bearbeitungsstationen hin gelangen und dort für die benötigte Bearbeitungszeit angehalten werden. Jede die- ser Stationen für sich kann als ein Bearbeitungszentrum angesehen werden, welches in Relation zu der vorangehenden oder der nachfolgenden Bearbeitungsstation gleiche oder unterschiedliche Bearbeitungsvorgänge ausführt. Ausgenommen hiervon ist lediglich die Rüst- oder Bedienstation, an der die zu bearbeitenden Werkstücken auf den jeweils dort befindlichen Spanntisch aufgegeben oder von dem Spanntisch die bearbeiteten Werkstücke abgenommen werden. Je nach den zur Verfügung stehenden Platzverhältnissen und der Dimension des Karussells können drei, vier oder mehrere Statio- nen entlang der Peripherie des Karussells vorgesehen werden, ebenso können zwei oder mehrere Spanntische auf dem Karussell angeordnet sein. Je nach der auszuführenden Bearbeitung sind die Supporte mit entsprechenden Bearbeitungsaggregaten ausgestattet, wobei diese Bearbeitungsag- gregate in der Regel in den üblichen drei Maschinenachsen an den Supporten und/oder durch die Supporte verfahrbar sind, also in der Ebene der jeweils an den Bearbeitungsstationen angehaltenen Spanntische sowie senkrecht dazu.It is essential for the invention that the workpiece clamping tables on the carousel for processing the workpieces fixed on the clamping tables gradually reach the individual processing stations and are stopped there for the required processing time. Each of these stations per se can be regarded as a machining center which carries out the same or different machining operations in relation to the preceding or the subsequent machining station. The only exception to this is the set-up or operating station at which the workpieces to be machined are placed on the clamping table located there or the machined workpieces are removed from the clamping table. Depending on the available space and the dimensions of the carousel, three, four or more stations can be provided along the periphery of the carousel, and two or more clamping tables can also be arranged on the carousel. Depending on the processing to be carried out, the supports are equipped with appropriate processing units, these processing units generally being able to be moved in the usual three machine axes on the supports and / or by the supports, that is to say in the level of the clamping tables stopped at the processing stations and perpendicular to it.
Vorteilhafte Ausgestaltungsmerkmale der Erfindung ergeben sich aus den Unteransprüchen. Die Erfindung wird nachfolgend anhand der Zeichnung an einem Ausführungsbeispiel noch näher erläutert. Die Zeichnung zeigt in der Draufsicht eine Maschine zum Bearbeiten von plattenförmigen Werkstücken mit auf einem Karussell angeordneten Werkstückspanntischen.Advantageous design features of the invention result from the subclaims. The invention is explained in more detail below with reference to the drawing using an exemplary embodiment. The drawing shows a plan view of a machine for processing plate-shaped workpieces with workpiece clamping tables arranged on a carousel.
Im einzelnen erkennt man in der Zeichnung ein Karussell 1, welches hier im wesentlichen aus einer ringförmigen Scheibe 2 besteht, aber beispielsweise auch aus sternförmig angeordneten Armen gebildet sein kann, wobei in jedem Fall sich das Karussell 1 um das Zentrum Z in Richtung des Pfeiles A taktweise um einen jeweils vorgegebenen Winkel dreht. Im vorliegenden Fall beträgt der Drehwinkel pro Takt 90 Grad, was der Anzahl von vier vorhandenen Stationen 3 bis 6 entspricht, die im Winkelabstand von 90 Grad entlang der Peripherie des Karussells 1 angeordnet sind. Entlang dem Rand befinden sich auf dem Karussell 1 in drehsymmetrischer An- Ordnung zueinander vier Werkstückspanntische 7, die ebenfalls um 90 Grad zueinander versetzt sind. Nach jedem Weiterdrehen des Karussells 1 ist jeder der Werkstückspanntische 7 einer der Stationen 3 bis 6 zugeordnet.In detail, a carousel 1 can be seen in the drawing, which here essentially consists of an annular disk 2, but can also be formed, for example, from arms arranged in a star shape, in which case the carousel 1 is centered around the center Z in the direction of the arrow A. cyclically rotates through a predetermined angle. In the present case, the angle of rotation per cycle is 90 degrees, which corresponds to the number of four stations 3 to 6 present, which are arranged at an angular distance of 90 degrees along the periphery of the carousel 1. Along the edge there are four workpiece clamping tables 7 on the carousel 1 in a rotationally symmetrical arrangement, which are also offset by 90 degrees to one another. Each time the carousel 1 is turned further, each of the workpiece clamping tables 7 is assigned to one of the stations 3 to 6.
Bei der Station 3 handelt es sich um eine Rüststation, an der bei fortlaufenden Arbeitsspielen von dem dort angehaltenen Werkstückspanntisch 7 das bearbeitete Werkstück abgenommen und ein unbearbeitetes Werkstück auf den Werkstückspanntisch 7 aufgegeben wird. Es handelt sich um platten- förmige Werkstücke, die aus Holz oder holzartigen Werkstoffen bestehen und aus denen beispielsweise Frontteile für Möbel, wie Türen, Klappen oder Schubkastenfronten, gefer tigt werden. Entsprechend erhalten die plattenförmigen Werkstücke ein bestimmtes Format und eine gewünschte Kontu- rierung entlang ihrer Schmalflächenseiten, an die nachfolgend ein Kantenstreifen angeleimt wird, der besäumt und mit der Plattenober- sowie -Unterseite bündig geschnitten werden muß .Station 3 is a set-up station at which the machined workpiece is removed from the workpiece clamping table 7 stopped there during continuous work cycles and an unprocessed workpiece is placed on the workpiece clamping table 7. These are plate-shaped workpieces that are made of wood or wood-like materials and from which, for example, front parts for furniture, such as doors, flaps or drawer fronts, are available be done. Accordingly, the plate-shaped workpieces are given a specific format and a desired contour along their narrow surface sides, to which an edge strip is subsequently glued, which must be trimmed and cut flush with the top and bottom of the plate.
Entsprechend ist die auf die Rüststation 3 in Drehrichtung des Karussells 1 folgende Station 4 eine Formatierungsstation, an der die plattenförmigen Werkstücke das gewünschte Format erhalten. Bei der nachfolgenden Station 5 handelt es sich um eine Kantenanleimstation, an der auf die ange- schnittenen Schmalflächenseiten der plattenförmigen Werkstücke ein Kantenstreifen aufgeleimt wird. Dieser Kantenstreifen steht zwecks Toleranzausgleich an der Plattenoberund -Unterseite über, außerdem hat er einen Überstand über die Länge der jeweiligen Platten-Schmalflächenseite . Diese Überstände werden in der Station 6, einer Nachbearbeitungsstation, beseitigt.Accordingly, the station 4 following the set-up station 3 in the direction of rotation of the carousel 1 is a formatting station at which the plate-shaped workpieces receive the desired format. The subsequent station 5 is an edge banding station, on which an edge strip is glued onto the cut narrow sides of the plate-shaped workpieces. This edge strip protrudes on the top and bottom of the panel for tolerance compensation, and it also has a protrusion over the length of the respective narrow side of the panel. These supernatants are removed in station 6, a post-processing station.
Die Werkstückspanntische 7 haben zur Fixierung der platten- förmigen Werkstücke mit Unterdruck beaufschlagbare Saug- spanner 8, die längsverschieblich auf Balken 9 angeordnet sind. In Längsrichtung dieser Balken 9 sind die Saugspanner 8 verschiebbar, zum anderen können aber auch die Balken 9 auf geraden Balkenführungen 10 verfahren werden, damit die Saugspanner 8 auf solche Positionen eingestellt werden kön- nen, in denen sie für die Rundumbearbeitung der plattenför- migen Werkstücke an den einzelnen Bearbeitungsstationen 3 bis 6 nicht hinderlich sind. Die Spanntische 7 haben insge samt ein rechteckiges- Format und die Quermitte dieser Spanntische 7 liegt in Radialrichtung des Karussells 1. Entsprechend der geraden, nach außen hin liegenden Begrenzung der Werkstückspanntische 7 hat die das Karussell 1 bildende Scheibe 2 randliche Abflachungen 18, die entlang der jeweiligen Außenkante des Werkstückspanntisches 7 verläuft und sich entsprechend entlang einer Kreissehne er- streckt.The workpiece clamping tables 7 have suction clamps 8 for the fixation of the plate-shaped workpieces, which are arranged on beams 9 so as to be longitudinally displaceable. The suction clamps 8 can be displaced in the longitudinal direction of these beams 9, but on the other hand the beams 9 can also be moved on straight beam guides 10 so that the suction clamps 8 can be set to those positions in which they can be used for all-round machining of the plate-shaped workpieces at the individual processing stations 3 to 6 are not a hindrance. The clamping tables 7 have a total together with a rectangular format and the transverse center of these clamping tables 7 lies in the radial direction of the carousel 1. Corresponding to the straight, outward boundary of the workpiece clamping tables 7, the disc forming the carousel 1 has marginal flats 18 which run along the respective outer edge of the workpiece clamping table 7 runs and extends along a circular chord accordingly.
Jede der maschinellen Bearbeitungsstationen 4 bis 6, die jeweils für sich als separates Bearbeitungszentrum gesehen werden können, hat ein Maschinenbett mit einer Geradführung 11, die tangential zum Karussell 1 verläuft. Mittels eines Ständers 12 ist an oder auf dieser Geradführung ein Support 13 aufgelagert, der als Auslegersupport das Karussell 1 überkrakt, wobei der Support entlang der Geradführung 11 verfahrbar ist, um den jeweils an der betreffenden Station angehaltenen Werkstückspanntisch 7 über dessen gesamte Länge und Breite hinweg überstreichen zu können. In Längsrichtung ist an dem Support 13 jeweils eine Führung 14 vorhanden, die senkrecht auf der Geradführung 11 für den Ständer 12 steht, wobei an dieser Führung 14 die jeweiligen Bear- beitungsaggregate 15 bis 17 verfahrbar gelagert sind. Somit bildet die Geradführung 11 der jeweiligen maschinellen Station 4, 5 oder 6 die üblich X-Achse, während die zugehörige Y-Achse durch die Führung 14 des Supports 13 gebildet ist. Senkrecht zu der hierdurch bestehenden X-Y-Bearbeitungs- ebene sind erforderlichenfalls die Bearbeitungsaggregate 15 bis 17 senkrecht verfahrbar, also in Richtung der üblichen Z-Achse. Aufgrund der drehsymmetrischen Anordnung der ma schinellen Bearbeitungsstationen 4, 5 und 6 ist etwa in der Mitte des Verfahrweges der Geradführungen 11 jeweils die Führung 14 am Support 13 radial auf das Drehzentrum Z des Karussells 1 ausgerichtet.Each of the machine processing stations 4 to 6, which can each be viewed as a separate processing center, has a machine bed with a straight guide 11 that extends tangentially to the carousel 1. A support 13 is supported on or on this straight guide by means of a stand 12, which overcracks the carousel 1 as a cantilever support, the support being movable along the straight guide 11 around the workpiece clamping table 7 stopped at the respective station over its entire length and width to be able to paint over. In the longitudinal direction, a guide 14 is provided on the support 13, which stands vertically on the straight guide 11 for the stand 12, the respective processing units 15 to 17 being movably mounted on this guide 14. The straight guide 11 of the respective machine station 4, 5 or 6 thus forms the usual X axis, while the associated Y axis is formed by the guide 14 of the support 13. If necessary, the processing units 15 to 17 can be moved vertically to the existing XY processing plane, ie in the direction of the usual Z axis. Due to the rotationally symmetrical arrangement of the ma Fast processing stations 4, 5 and 6, the guide 14 on the support 13 is aligned radially with the center of rotation Z of the carousel 1 approximately in the middle of the travel of the straight guides 11.
Bei dem Bearbeitungsaggregat 15 der Formatierungsstation 4 handelt es sich um ein solches Fräsaggregat, mit dem aus dem plattenförmigen Rohling das jeweils gewünschte Format, wie das einer Möbeltür, geschnitten wird. An der Kantenanleimstation 5 ist das Bearbeitungsaggregat 16 eine Vorrichtung, mittels der die an die Schmalflächenseiten der Werkstücke anzufahrenden Kantensteifen beleimt und an die Werk- stücke angedrückt werden können. An der Nachbearbeitungsstation 6 gibt es als Bearbeitungsaggregat 17 Einrichtungen der zum Bündigfräsen der auf die Werkstückschmalflächenseiten aufgebrachten Kantenstreifen an der Ober- und der Unterseite des jeweiligen plattenförmigen Werkstücks sowie Kappaggregate, um die Überstände des jeweiligen Kantenstreifens an den beiden Enden der betreffenden Werkstückschmalflächenseite beseitigen zu können.The processing unit 15 of the formatting station 4 is such a milling unit with which the desired format, such as that of a furniture door, is cut from the plate-shaped blank. At the edge banding station 5, the processing unit 16 is a device by means of which the edge stiffeners to be approached on the narrow surface sides of the workpieces can be glued and pressed onto the workpieces. At the post-processing station 6 there are as processing unit 17 devices for flush milling the edge strips applied to the sides of the workpiece narrow surface on the upper and lower sides of the respective plate-shaped workpiece, as well as cross-cutting units in order to be able to remove the protrusions of the respective edge strips at the two ends of the relevant side of the workpiece narrow surface.
Anders als beim dargestellten Ausführungsbeispiel kann auch eine andere Anzahl von Stationen und maschinellen Bearbeitungseinrichtungen entlang dem Karussell 1 vorgesehen werden. Beispielsweise kann das Bündigfräsen und das Kappen der Kantenstreifen zwei verschiedenen maschinellen Bearbeitungsstationen zugeordnet werden. Auch ist es möglich, ent- lang dem Karussell zwei einander diametral gegenüberliegende Rüststationen 3 vorzusehen und entsprechend entlang der halben Umlaufstrecke des Karussells 1 jeweils eine Forma- tierungsstation 4, eine Kantenanleimstation 5 und eine Nachbearbeitungsstation 6 anzuordnen, wobei der Taktweg dann gegenüber der dargestellten Ausführungsform zu halbieren ist. In contrast to the exemplary embodiment shown, a different number of stations and machine processing devices can also be provided along the carousel 1. For example, the flush milling and the cutting of the edge strips can be assigned to two different machining stations. It is also possible to provide two diametrically opposed set-up stations 3 along the carousel and, accordingly, one format each along half the circumferential distance of the carousel 1. tation station 4, an edge banding station 5 and a post-processing station 6 to be arranged, the cycle path then being halved compared to the illustrated embodiment.

Claims

PATENTANSPRÜCHE: PATENT CLAIMS:
1. Maschine zum Bearbeiten von plattenförmigen Werkstücken aus Holz, holzartigen Stoffen und/oder Kunststoffen für den Möbel- oder Innenausbau mit nacheinander von den Werkstücken passierbaren Stationen (3-6) , wie einer Rüststation (3), einer Formatierungsstation (4), einer Kantenanleimstation (5) sowie einer Nachbearbeitungsstation (6), die entsprechende, an Supporten (13) verfahrbare Bearbeitungsaggregate (15-17) haben, und mit einer diese Stationen (3-6) miteinander verbindenden Fördereinrichtung, auf der die Werkstücke aufspannbar sind, dadurch gekennzeichnet, daß die Fördereinrichtung aus einem Karussell (1) besteht, auf dem zwei oder mehrere Werkstückspanntische (7) und benachbart dessen Peripherie die Stationen (3-6) angeordnet sind, entlang denen die Werkstückspanntische (7) getaktet werden und entsprechend jeweils an diesen Stationen (3-6) für die jeweilige Beabeitungsdauer angehalten werden, und daß die Supporte (13) mit den Bearbeitungsaggregaten (15-17) oberhalb des Karussells (1) angeordnet und zum Überstreichen des jeweils gesamten, an der betreffenden Station (3-6) angehaltenen Werkstückspanntisches (7) verfahrbar sind.1. Machine for processing plate-shaped workpieces made of wood, wood-like materials and / or plastics for furniture or interior design with successively passable from the workpieces stations (3-6), such as a set-up station (3), a formatting station (4), one Edge banding station (5) and a post-processing station (6), which have corresponding processing units (15-17) which can be moved on supports (13), and with a conveyor device which connects these stations (3-6) and on which the workpieces can be clamped characterized in that the conveyor consists of a carousel (1) on which two or more workpiece clamping tables (7) and adjacent to the periphery of which the stations (3-6) are arranged, along which the workpiece clamping tables (7) are clocked and accordingly on these Stations (3-6) are stopped for the respective processing time, and that the supports (13) with the processing units (15-17) above alb of the carousel (1) and can be moved to sweep over the entire workpiece clamping table (7) stopped at the relevant station (3-6).
2. Maschine nach Anspruch 1, dadurch gekennzeichnet, daß vier Stationen (3-6) jeweils um 90 Grad zueinander versetzt um das Karussell (1) herum angeordnet und dar- auf entsprechend di'e Werkstückspanntische (7) in drehsymmetrischer Anordnung zueinander vorhanden sind.2. Machine according to claim 1, characterized in that four stations (3-6) each offset by 90 degrees to each other around the carousel (1) and arranged- di corresponding to 'e workpiece clamping tables (7) in rotationally symmetrical relationship to each other available.
3. Maschine nach Anspruch 2, dadurch gekennzeichnet, daß ebenfalls vier Werkstückspanntische (7) um 90 Grad zueinander versetzt auf dem Karusssell (1) angeordnet sind.3. Machine according to claim 2, characterized in that also four workpiece clamping tables (7) offset by 90 degrees to each other on the carousel (1) are arranged.
4. Maschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Supporte (13) mit den Bearbeitungsaggregaten (15-17) entlang von Geradführungen (11) verfahrbar sind, die tangential zum Karussell (1) sich jeweils erstrek- ken.4. Machine according to one of claims 1 to 3, characterized in that the supports (13) with the processing units (15-17) can be moved along straight guides (11) which each extend tangentially to the carousel (1).
5. Maschine nach Anspruch 4, dadurch gekennzeichnet, daß die Supporte (13) mit ihren Führungen (14) für die Bearbeitungsaggregate (15-17) in der Mitte des Verfahr- weges entlang den Geradführungen (11) radial zum Karussell (1) ausgerichtet sind.5. Machine according to claim 4, characterized in that the supports (13) with their guides (14) for the processing units (15-17) in the middle of the travel path along the straight guides (11) aligned radially to the carousel (1) are.
6. Maschine nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Supporte (13) in Gestalt von vorkragenen Auslegern an Ständern (12) angeordnet sind, die an oder auf den Geradführungen (11) verfahrbar gelagert sind. 6. Machine according to claim 4 or 5, characterized in that the supports (13) are arranged in the form of cantilever arms on stands (12) which are movably mounted on or on the straight guides (11).
7. Maschine nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Werkstückspanntische (7) die Tischebene aufspannende Saugspanner (8) haben, die auf Balken (9) in deren Längsrichtung verschiebbar angeordnet sind, wobei die Balken (9) auf geraden Balkenführungen (10) verfahrbar sind, die tangential zu einem mit dem Karussell (1) kon- zentrischen Kreis verlaufen.7. Machine according to one of claims 1 to 6, characterized in that the workpiece clamping tables (7) have the table plane spanning suction clamps (8) which are arranged on beams (9) displaceable in the longitudinal direction thereof, the beams (9) on straight Beam guides (10) can be moved, which run tangentially to a circle concentric with the carousel (1).
8. Maschine nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß das Karussell (1) aus einer Kreisscheibe (2) be- steht, die zumindest im Bereich jedes Werkstückspanntisches (7) am Außenrand eine Abflachung (18) entlang einer mit den Balkenführungen (10) parallelen Sehne aufweist . 8. Machine according to one of claims 1 to 7, characterized in that the carousel (1) consists of a circular disc (2) which, at least in the region of each workpiece clamping table (7) on the outer edge, has a flattening (18) along one with the Beam guides (10) has a parallel chord.
PCT/EP1999/005452 1998-08-04 1999-07-30 Machine with several stations for machining plate-like workpieces WO2000007768A1 (en)

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DE19835168.2 1998-08-04
DE19835168A DE19835168C1 (en) 1998-08-04 1998-08-04 Machine with several stations for processing plate-shaped workpieces

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IT201900002059A1 (en) * 2019-02-13 2020-08-13 Proquadro S R L MACHINING CENTER EQUIPPED WITH BRACKET ON VICE OF PARTS OR PROFILES TO BE MACHINED

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