EP1419026A2 - Cutting unit for a throughput machine - Google Patents
Cutting unit for a throughput machineInfo
- Publication number
- EP1419026A2 EP1419026A2 EP02753037A EP02753037A EP1419026A2 EP 1419026 A2 EP1419026 A2 EP 1419026A2 EP 02753037 A EP02753037 A EP 02753037A EP 02753037 A EP02753037 A EP 02753037A EP 1419026 A2 EP1419026 A2 EP 1419026A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- cutting unit
- workpiece
- cutting tool
- cutting
- 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.)
- Granted
Links
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
- B27D5/006—Trimming, chamfering or bevelling edgings, e.g. lists
Definitions
- the invention relates to a cutting unit for a continuous machine of the type specified in the preamble of claim 1.
- such cutting units are arranged as cross-cut saws on the continuous machines mentioned on longitudinal guides which are parallel to the direction of the workpieces.
- the respective cross-cut saw travels along these guides with the respective continuous workpiece corner at which the end of the edge strip glued onto the side of the narrow workpiece surface facing away is cut off.
- the chop saw is running, the sawing tool is fed transversely to the direction of travel of the workpieces, and after the chop cut has been carried out, the chop saw is returned to its starting position after returning the tool to its starting position so that the next work cycle can be started from here .
- two linear movements overlap in different planes for guiding the sawing tool, the respective straight path in each case having to be traveled in the forward and backward directions.
- the reversal of direction at the ends of the linear traverse paths for the cross-cut saw requires high acceleration forces both when starting off and when braking the unit.
- the support for holding the cross-cut saw with its linear guides represents a cross-support, in which the linear guides lie in superimposed levels. Accordingly, separate drives are required for moving the cross-cut saw in the direction of travel of the workpieces on the one hand and transversely to the direction of travel on the other. It is particularly disadvantageous in the known cross-cut saws that the longitudinal guides arranged parallel to the workpiece passage direction have a considerable length, which can be up to 1 m.
- the invention is therefore based on the object.
- To create cutting unit of the type mentioned which requires a shorter construction length in the direction of throughput of the continuous machine and which enables higher throughput speeds and cycle rates of the workpieces.
- This object is achieved in a cutting unit of the generic type according to the invention by the characterizing features of claim 1.
- the oscillation movement forced on the support which is likewise carried out by the cutting tool, has no acceleration peaks, since there is no reversal of direction with dead centers, as is unavoidable with a linear stroke. Due to the oscillation movement, the support and the parts built on it perform a movement along a circle or an ellipse with every point or point.
- the oscillation movement takes place in a single plane, and a single oscillation drive can be provided for this purpose, the mechanical oscillation being able to be generated in a simple manner by implementing a rotational movement. This enables a high rotational speed along the elliptical or circular oscillation path during a single oscillation period, which corresponds to one working cycle of the cutting unit.
- the support can be stopped exactly in its starting position after each work cycle in order to go through another oscillation period upon a corresponding start signal.
- This discontinuous oscillation operation allows the difference between the duration of one Easily compensate for the work cycle and the time sequence of the continuous interfaces on the workpieces.
- One of the main areas of application of a cutting unit of the type according to the invention is in the cutting station of such through-feed machines, in which the processing of the narrow surface sides of the workpieces comprises the gluing of an edge strip, the protrusions of which have to be cut at the corners of the workpieces located at the front and rear in the direction of travel.
- the new cutting tool is also suitable for other cutting processes that have to be carried out on the narrow surface sides or on the adjacent workpiece surfaces. This can be, for example, cuts in a seal or a piping on which incisions or notches have to be made.
- FIG. 1 is a side view of a cutting unit designed as a cutting unit
- Fig. 2 is a top view of the oscillation drive Cutting unit according to Fig. 1 and
- Fig. 3 is a plan view of the cutting unit of FIG. 1, omitting the lower structures for the oscillation drive.
- a workpiece transport device 1 is schematically shown in Fig. 1, which can be a transport chain, as are common in those continuous machines on which plate-shaped workpieces for the furniture industry or interior design are processed, particularly in the area of the narrow sides of the plate ,
- narrow surface sides 3 which lie with their longitudinal direction in the direction of passage specified by the transport device 1, and the workpieces 2 also have narrow surface sides 4 in the usual square or rectangular configuration transverse to the direction of flow.
- These narrow surface sides 3, 4 are coated in very many cases by means of an edge strip which is applied in an edge banding station of the continuous machine.
- the edge strip protrudes on the narrow surface side in question, here the narrow surface side 3, which lies in the direction of travel of the machine, both on the front of the workpieces 2 in the direction of travel and on the back, and a capping be made to cut the edge strip flush with the narrow surfaces 4 of the workpieces 2, which are transverse to the direction of flow.
- Cutting tool 5 generally have a circular saw blade which is arranged on the motor shaft of a cutting motor 6.
- the cutting tool 5 with the cutting motor 6 is seated on a support 7, which in turn is arranged on an oscillation drive 8.
- the oscillation drive 8 ensures that the support 7 with the parts built on it moves with every point along an elliptical or circular path, the traversing of this circular path between the two vertices, the connecting line of which is parallel to the direction of travel of the workpieces 2, sufficient to carry the cutting tool 5 for the cutting process on a piece of the through path with the workpiece 2 at an adapted speed.
- a superimposed cross stroke is carried out between the two vertices of the oscillation path, the connecting line of which runs transversely to the direction of travel of the workpieces 2.
- This cross stroke is matched to the necessary depth of cut, which must be provided for cutting through the respective edge material.
- the oscillation drive 8 has a positionable drive motor 9, which is necessary because the cutting tool 5 depends on the work cycle the oscillation path should only be traversed once.
- the motor 9 drives a drive gear 10, which is arranged with an upright axis between two turntables 11, which have a toothing 14 along their circumference with which the drive gear 10 meshes, which can be seen particularly clearly from FIG. 2.
- the turntables 11 have projecting drivers 12 in the form of eccentric bolts on their upper sides, both drivers 12 having the same eccentricity, the two turntables 11 being the same and being driven synchronously with the same direction of rotation by the motor 9 and the drive gear 10. The angular position of the two drivers 12 relative to the axis of rotation of the turntable 11 is always the same.
- the support 7 has a lower platen 13 which has receptacles 20 on the underside for a play-free, rotating receptacle for the drivers 12 of the driver disks 11.
- the cutting tool 5 may be necessary to support the cutting tool 5 together with its cutting motor 6 on the front transverse side 4 of the workpiece during the cutting process.
- the oscillation movement is delayed during the cutting process so that the cutting tool 5 is carried along by the workpiece.
- the corresponding compensation takes place by displacing the cutting tool 5 with the cutting motor 6 and the support plate 15 against a pressure element 18, such as a pneumatic cylinder or a spring, which is arranged on a support arm 17 which is fixedly arranged on the mounting plate 13.
- a pushbutton 19 is movably arranged on the support plate 15 in such a way that it can be retracted into and withdrawn from the passage area of the relevant workpiece transverse side 4 without being compliant in the direction of passage of the workpieces, so that it acts against the force of the pressure element 18 delayed oscillation drive 8 can shift the cutting tool 5 relative to it.
- the oscillation drive 8 can be accelerated in relation to the throughput speed of the workpieces 2, so that a support in an analogous manner on the in Direction of movement of the rear transverse workpiece side 4 can take place in order to achieve a defined position of the cutting tool 5 relative to the relevant transverse workpiece side 4, with which the edge strip is to be cut flush, during the cutting operation.
- the cutting unit shown in FIG. 1 is supplemented in the cross-cutting machine by a mirror-symmetrically constructed and arranged cutting unit in order to be able to cut the protruding ends of the edge strip at both ends of the coated workpiece narrow surface side 3.
- the cutting tool 5 with the cutting motor 6 is arranged on a carrier plate 16, which can be pivoted relative to the support plate 15.
- the pivot path is predetermined by a link 21, which can be incorporated in one of the two plates 15, 16 and in which the other plate 16, 15 engages with a protruding cam or the like, as can be seen in FIG. 3.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
Abstract
The invention relates to a cutting unit for a throughput machine, enabling the narrow surface sides of plate-like workpieces made of wood and/or wood substitutes to be machined. The cutting unit has a rotating cutting tool (5) which is used to make a cut on the narrow surface sides of a workpiece and which is disposed upon a support (7) which is moved, together with the respective throughput workpiece (2), along a workpiece and returned to an initial position. In order to cause the cutting tool (5) to move forwards and backwards, the support can be moved across the throughput direction of the workpiece. In order to reduce the length of the cutting unit and provide a high throughput speed and cycle time for said workpieces, the support (7) bearing the cutting tool (5) is arranged on a fixed oscillation drive (8), whereby a longitudinal lift parallel to the throughput direction and a transversal lift is transmitted to the support (7), said lifts being superposed on a common plane, and the amplitude of the transversal lift towards the throughput workpieces (2) is adapted to the cutting depth of the cutting tool (5). The speed component of the longitudinal lift in the apex of the amplitude of the transversal lift is also adapted to workpiece throughput speed.
Description
SCHNEIDAGGREGAT FÜR EINE DURCHLAUFMASCHINECUTTING UNIT FOR A CONTINUOUS MACHINE
Technisches GebietTechnical field
Die Erfindung bezieht sich auf ein Schneidaggregat für eine Durchlaufmaschine der im Gattungsbegriff des Patentanspruchs 1 näher bezeichneten Art.The invention relates to a cutting unit for a continuous machine of the type specified in the preamble of claim 1.
Stand der TechnikState of the art
In bekannter Ausführung sind solche Schneidaggregate als Kappsägen an den genannten Durchlaufmaschinen an Längsfüh- rungen angeordnet, die parallel zur Durchlaufrichtung der Werkstücke liegen. Entlang dieser Führungen fährt die betreffende Kappsäge mit der jeweiligen durchlaufenden Werkstückecke mit, an der das Abkappen des hier überstehenden Endes des auf die zugekehrte Werkstückschmalflächensei- te aufgeleimten Kantenstreifens vorgenommen wird. Während des Mitlaufs der Kappsäge erfolgt die Zustellung des Sägewerkzeuges quer zu der Durchlaufrichtung der Werkstücke, und nach durchgeführtem Kappschnitt erfolgt nach dem Rückholen des Werkzeugs in seine Ausgangsposition die Rückfüh- rung der Kappsäge in ihre Ausgangslage, um von hier aus das nächste Arbeitsspiel beginnen zu können. Für die Führung des Sägewerkzeuges überlagern sich bei den bekannten Kappsägen zwei Linearbewegungen in verschiedenen Ebenen, wobei die jeweilige, geradlinige Wegstrecke jeweils in Vorwärts- und in Rückwärtsrichtung durchfahren werden muß.
Die Richtungsumkehr an den Enden der linearen Verfahrwege für die Kappsäge erfordert hohe Beschleunigungskräfte so- wohl beim Anfahren als auch beim Abbremsen des Aggregates. Der Support zur Aufnahme der Kappsäge mit seinen Linearführungen stellt hierbei einen Kreuzsupport dar, bei dem die Linearführungen in übereinanderliegenden Ebenen liegen. Dementsprechend sind für das Verfahren der Kappsäge in der Durchlaufrichtung der Werkstücke zum einen sowie quer zu der Durchlaufrichtung zum anderen getrennte Antriebe erforderlich. Besonders nachteilig ist bei den bekannten Kappsägen, daß die parallel zur Werkstück-Durchlaufrichtung angeordneten Längsführungen eine beträchtliche Länge haben, die bis zu 1 m betragen kann. Da für das Kappen an den in Durchlaufrichtung vornliegenden Ecken der Werkstücke und an den in Durchlaufrichtung hintenliegenden Werkstückecken je eine Kappsäge in der Kappstation der Durchlaufmaschine erforderlich ist, die in der Durchlaufrichtung hintereinander angeordnet sind, ist allein für die Kappstation der Durchlaufmaschine eine zusätzliche Aufbaulänge von etwa 2 m erforderlich.In a known embodiment, such cutting units are arranged as cross-cut saws on the continuous machines mentioned on longitudinal guides which are parallel to the direction of the workpieces. The respective cross-cut saw travels along these guides with the respective continuous workpiece corner at which the end of the edge strip glued onto the side of the narrow workpiece surface facing away is cut off. While the chop saw is running, the sawing tool is fed transversely to the direction of travel of the workpieces, and after the chop cut has been carried out, the chop saw is returned to its starting position after returning the tool to its starting position so that the next work cycle can be started from here , In the known cross-cut saws, two linear movements overlap in different planes for guiding the sawing tool, the respective straight path in each case having to be traveled in the forward and backward directions. The reversal of direction at the ends of the linear traverse paths for the cross-cut saw requires high acceleration forces both when starting off and when braking the unit. The support for holding the cross-cut saw with its linear guides represents a cross-support, in which the linear guides lie in superimposed levels. Accordingly, separate drives are required for moving the cross-cut saw in the direction of travel of the workpieces on the one hand and transversely to the direction of travel on the other. It is particularly disadvantageous in the known cross-cut saws that the longitudinal guides arranged parallel to the workpiece passage direction have a considerable length, which can be up to 1 m. Since a capping saw is required in the capping station of the continuous machine for capping at the corners of the workpieces in the direction of flow and at the corners of the workpiece in the direction of flow, which are arranged one behind the other in the direction of passage, an additional construction length of approximately only is required for the capping station of the continuous machine 2 m required.
Die ErfindungThe invention
Der Erfindung liegt deshalb die Aufgabe zugrunde, ein. Schneidaggregat der eingangs genannten Art zu schaffen, welches in der Durchlaufrichtung der Durchlaufmaschine eine geringere Aufbaulänge erfordert und das höhere Durchlaufge- schwindigkeiten und Taktzahlen der Werkstücke ermöglicht.
Diese Aufgabe wird bei einem Schneidaggregat der gattungsbildenden Art nach der Erfindung durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst.The invention is therefore based on the object. To create cutting unit of the type mentioned, which requires a shorter construction length in the direction of throughput of the continuous machine and which enables higher throughput speeds and cycle rates of the workpieces. This object is achieved in a cutting unit of the generic type according to the invention by the characterizing features of claim 1.
Für die Erfindung ist wesentlich, daß die am Support erzwungene Oszillationsbewegung, die in gleicher Weise von dem Schneidwerkzeug mitgemacht wird, keine Beschleunigungs- spitzen aufweist, da es eine Richtungsumkehr mit Totpunkten, wie sie bei geradlinigem Hub unvermeidbar ist, nicht gibt. Aufgrund der Oszillationsbewegung führen der Support und die auf ihm aufgebauten Teile mit jeder Stelle bzw. mit jedem Punkt eine Bewegung entlang eines Kreises oder einer Ellipse aus. Darüberhinaus findet die Oszillationsbewegung jeweils in einer einzigen Ebene statt, und es kann hierfür ein einziger Oszillationsantrieb vorgesehen werden, wobei die mechanische Oszillation in einfacher Weise durch Umsetzung einer Rotationsbewegung erzeugt werden kann. Dies er- möglicht eine hohe Umlaufgeschwindigkeit entlang der elliptischen oder kreisförmigen Oszillationsbahn während einer einzigen Schwingungsperiode, die einem Arbeitsspiel des Schneidaggregates entspricht. Da die oszillierende Bewegung des Supports leicht über einen Positionierantrieb gesteuert werden kann, läßt sich der Support nach jedem Arbeitsspiel exakt in seiner Ausgangsposition anhalten, um auf ein entsprechendes Startsignal hin eine weitere Schwingungsperiode zu durchlaufen. Durch diesen diskontinuierlichen Oszillationsbetrieb läßt sich die Differenz zwischen der Dauer eines
Arbeitsspiels und der zeitlichen Folge der durchlaufenden Schnittstellen an den Werkstücken leicht ausgleichen.It is essential for the invention that the oscillation movement forced on the support, which is likewise carried out by the cutting tool, has no acceleration peaks, since there is no reversal of direction with dead centers, as is unavoidable with a linear stroke. Due to the oscillation movement, the support and the parts built on it perform a movement along a circle or an ellipse with every point or point. In addition, the oscillation movement takes place in a single plane, and a single oscillation drive can be provided for this purpose, the mechanical oscillation being able to be generated in a simple manner by implementing a rotational movement. This enables a high rotational speed along the elliptical or circular oscillation path during a single oscillation period, which corresponds to one working cycle of the cutting unit. Since the oscillating movement of the support can be easily controlled via a positioning drive, the support can be stopped exactly in its starting position after each work cycle in order to go through another oscillation period upon a corresponding start signal. This discontinuous oscillation operation allows the difference between the duration of one Easily compensate for the work cycle and the time sequence of the continuous interfaces on the workpieces.
Eines der Haupteinsatzgebiete eines Schneidaggregates der erfindungsgemäßen Art findet sich in der Kappstation solcher Durchlaufmaschinen, in denen die Bearbeitung der Schmalflachenseiten der Werkstücke das Aufleimen eines Kan- tenstreifens umfaßt, dessen Überstände an den in Durchlaufrichtung vorn- und hintenliegenden Ecken der Werkstücke gekappt werden müssen. Das neue Schneidwerkzeug eignet sich jedoch auch für andere Schneidvorgänge, die an den Schmalflachenseiten oder an den daran angrenzenden Werkstückflä- chen vorgenommen werden müssen. Hierbei kann es sich beispielsweise um Schnitte in eine Dichtung oder einen Keder handeln, an denen Einschnitte oder Ausklinkungen vorgenommen werden müssen.One of the main areas of application of a cutting unit of the type according to the invention is in the cutting station of such through-feed machines, in which the processing of the narrow surface sides of the workpieces comprises the gluing of an edge strip, the protrusions of which have to be cut at the corners of the workpieces located at the front and rear in the direction of travel. However, the new cutting tool is also suitable for other cutting processes that have to be carried out on the narrow surface sides or on the adjacent workpiece surfaces. This can be, for example, cuts in a seal or a piping on which incisions or notches have to be made.
Kurzbeschreibung der Zeichnunqsabbildun enBrief description of the drawings
Vorteilhafte Ausgestaltungsmerkmale der Erfindung ergeben sich aus den Unteransprüchen. Die Erfindung wird nachfolgend anhand der Zeichnung an einem Ausführungsbeispiel noch näher erläutert. Dabei zeigen: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. Show:
Fig. 1 die Seitansicht eines als Kappaggregat ausgeführten Schneidaggregates,1 is a side view of a cutting unit designed as a cutting unit,
Fig. 2 die Draufsicht auf den Oszillatio'nsantrieb des
Schneidaggregates nach Fig. 1 undFig. 2 is a top view of the oscillation drive Cutting unit according to Fig. 1 and
Fig. 3 die Draufsicht auf das Schneidaggregat nach Fig. 1 unter Weglassen der unteren Aufbauten für den Oszillationsantrieb.Fig. 3 is a plan view of the cutting unit of FIG. 1, omitting the lower structures for the oscillation drive.
Wege zur Ausführung der ErfindungWays of Carrying Out the Invention
Im einzelnen ist in Fig. 1 schematisch eine Werkstücktransportvorrichtung 1 wiedergegeben, bei der es sich um eine Transportkette handeln kann, wie sie bei denjenigen Durchlaufmaschinen üblich sind, auf denen plattenförmige Werkstücke für die Möbelindustrie oder den Innenausbau insbesondere im Bereich der Platten-Schmalflächenseiten bearbeitet werden. Bei den dargestellten Werkstücken 2 gibt es Schmalflachenseiten 3, die mit ihrer Längsrichtung in der durch die Transportvorrichtung 1 vorgegebenen Durchlauf- richtung liegen, und die Werkstücke 2 haben ferner bei der üblichen quadratischen oder rechteckigen Ausbildung quer zur Durchlaufrichtung liegende Schmalflachenseiten 4. Diese Schmalflachenseiten 3, 4 werden in sehr vielen Fällen mittels eines Kantenstreifens beschichtet, der in einer Kan- tenanleimstation der Durchlaufmaschine aufgebracht wird. Zunächst steht der Kantenstreifen an der betreffenden Schmalflächenseite, hier der Schmalflächenseite 3, die in Durchlaufrichtung der Maschine liegt, sowohl an der in Durchlaufrichtung vornliegenden als auch an der hintenlie- genden Ecke der Werkstücke 2 über, und es muß ein Kapp-
schnitt vorgenommen werden, um den Kantenstreifen bündig mit den quer zur Durchlaufrichtung liegenden Schmalflächen- selten 4 der Werkstücke 2 abzuschneiden.Specifically, a workpiece transport device 1 is schematically shown in Fig. 1, which can be a transport chain, as are common in those continuous machines on which plate-shaped workpieces for the furniture industry or interior design are processed, particularly in the area of the narrow sides of the plate , In the workpieces 2 shown there are narrow surface sides 3 which lie with their longitudinal direction in the direction of passage specified by the transport device 1, and the workpieces 2 also have narrow surface sides 4 in the usual square or rectangular configuration transverse to the direction of flow. These narrow surface sides 3, 4 are coated in very many cases by means of an edge strip which is applied in an edge banding station of the continuous machine. First of all, the edge strip protrudes on the narrow surface side in question, here the narrow surface side 3, which lies in the direction of travel of the machine, both on the front of the workpieces 2 in the direction of travel and on the back, and a capping be made to cut the edge strip flush with the narrow surfaces 4 of the workpieces 2, which are transverse to the direction of flow.
Dazu dienen in der Kappstation der Durchlaufmaschine Schneidaggregate, nämlich Kappaggregate, die als Schneidbzw. Kappwerkzeug 5 in der Regel ein Kreissägeblatt haben, das auf der Motorwelle eines Kappmotors 6 angeordnet ist. Das Kappwerkzeug 5 mit dem Kappmotor 6 sitzt auf einem Support 7, der wiederum auf einem Oszillationsantrieb 8 angeordnet ist. Der Oszillationsantrieb 8 sorgt dafür, daß sich der Support 7 mit den darauf aufgebauten Teilen mit jedem Punkt entlang einer elliptischen oder kreisförmigen Bahn bewegt, wobei das Abfahren dieser Kreisbahn zwischen den beiden Scheitelpunkten, deren Verbindungslinie parallel zur Durchlaufrichtung der Werkstücke 2 liegt, ausreicht, um das Kappwerkzeug 5 für den Kappvorgang auf einem Stück des Durchlaufweges mit dem Werkstück 2 mit angepaßter Geschwindigkeit mitzuführen. Dabei wird ein überlagerter Querhub zwischen den beiden Scheitelpunkten der Oszillationsbahn ausgeführt, deren Verbindungslinie quer zur Durchlaufrichtung der Werkstücke 2 verläuft. Dieser Querhub ist auf die notwendige Schnittiefe abgestimmt, die für das Durchtrennen des jeweiligen Kantenmaterials vorgesehen werden muß.For this purpose, cutting units, namely cutting units, are used in the cutting station of the continuous machine, Cutting tool 5 generally have a circular saw blade which is arranged on the motor shaft of a cutting motor 6. The cutting tool 5 with the cutting motor 6 is seated on a support 7, which in turn is arranged on an oscillation drive 8. The oscillation drive 8 ensures that the support 7 with the parts built on it moves with every point along an elliptical or circular path, the traversing of this circular path between the two vertices, the connecting line of which is parallel to the direction of travel of the workpieces 2, sufficient to carry the cutting tool 5 for the cutting process on a piece of the through path with the workpiece 2 at an adapted speed. A superimposed cross stroke is carried out between the two vertices of the oscillation path, the connecting line of which runs transversely to the direction of travel of the workpieces 2. This cross stroke is matched to the necessary depth of cut, which must be provided for cutting through the respective edge material.
Zur Erzeugung der mechanischen Oszillation hat der Oszillationsantrieb 8 einen positionierbaren Antriebsmotor 9, der erforderlich ist, weil je Arbeitsspiel des Kappwerkzeuges 5
die Oszillationsbahn nur einmal durchlaufen werden soll. Der Motor 9 treibt ein Antriebszahnrad 10 an, welches mit aufrechtstehender Achse zwischen zwei Drehscheiben 11 angeordnet ist, die entlang ihrem Umfang eine Verzahnung 14 haben, mit der das Antriebszahnrad 10 kämmt, was besonders deutlich aus Fig. 2 hervorgeht. Die Drehscheiben 11 haben an ihren Oberseiten vorstehende Mitnehmer 12 in Gestalt von Exzenterbolzen, wobei beide Mitnehmer 12 die gleiche Exzentrizität aufweisen, die beiden Drehscheiben 11 gleich sind und über den Motor 9 sowie das Antriebszahnrad 10 synchron mit gleicher Drehrichtung angetrieben werden. Stets ist hierbei die Winkellage der beiden Mitnehmer 12 relativ zur Rotationsachse der Drehteller 11 die gleiche.In order to generate the mechanical oscillation, the oscillation drive 8 has a positionable drive motor 9, which is necessary because the cutting tool 5 depends on the work cycle the oscillation path should only be traversed once. The motor 9 drives a drive gear 10, which is arranged with an upright axis between two turntables 11, which have a toothing 14 along their circumference with which the drive gear 10 meshes, which can be seen particularly clearly from FIG. 2. The turntables 11 have projecting drivers 12 in the form of eccentric bolts on their upper sides, both drivers 12 having the same eccentricity, the two turntables 11 being the same and being driven synchronously with the same direction of rotation by the motor 9 and the drive gear 10. The angular position of the two drivers 12 relative to the axis of rotation of the turntable 11 is always the same.
Der Support 7 weist eine untere Aufplatte 13 auf, die unterseitige Aufnahmen 20 für eine spielfreie, drehende Aufnahme der Mitnehmer 12 der Mitnehmerscheiben 11 hat. Auf der Aufbauplatte befindet sich eine Kreuzführung 14 mit einer oberen Auflagerplatte 15, die entsprechend in sowie entgegen der Durchlaufrichtung der Werkstücke 2 sowie senkrecht dazu verstellt werden kann. Dies dient lediglich der Justage des Kappwerkzeuges 5, ansonsten sind die Aufbau- platte 13 und die Auflagerplatte 15, die als Kreuzschlitten anzusehen sind, bei einem Arbeitsspiel zumindest in der Richtung quer zur Durchlaufrichtung der Werkstücke 2 nicht gegeneinander verschieblich, grundsätzlich können diese beiden Platten 13, 15 auch in Durchlaufrichtung der Werkstücke bei den Arbeitsspielen gegeneinander fixiert
sein. In diesem Falle wird die vom Oszillationsantrieb 8 auf den Support 7 übertragene Oszillationsbewegung exakt auf das Kappwerkzeug 5 übertragen.The support 7 has a lower platen 13 which has receptacles 20 on the underside for a play-free, rotating receptacle for the drivers 12 of the driver disks 11. On the mounting plate there is a cross guide 14 with an upper support plate 15, which can be adjusted accordingly in and against the direction of travel of the workpieces 2 and perpendicular to it. This only serves to adjust the cutting tool 5, otherwise the build-up plate 13 and the support plate 15, which are to be regarded as cross slides, cannot be moved against each other during a work cycle, at least in the direction transverse to the direction of travel of the workpieces 2; in principle, these two plates 13 can , 15 also fixed against each other in the direction of the workpieces during the work cycles his. In this case, the oscillation movement transmitted from the oscillation drive 8 to the support 7 is transmitted exactly to the cutting tool 5.
Je nach der Ausbildung und der Güte der Stirnseite des fertiggeschnittenen Kantenstreifens an der betreffenden Werk- stückschmalflächenseite 3 kann es erforderlich sein, das Kappwerkzeug 5 mitsamt seinem Kappmotor 6 an der vorderen auflaufenden Werkstückquerseite 4 während des Kappvorganges abzustützen. Dazu ist während des Kappvorganges die Oszillationsbewegung so verzögert, daß das Kappwerkzeug 5 von dem Werkstück mitgenommen wird. Der entsprechende Ausgleich erfolgt durch eine Verschiebung des Kappwerkzeuges 5 mit dem Kappmotor 6 und der Auflagerplatte 15 gegen ein Druckelement 18, wie einen Pneumatikzylinder oder eine Feder, die an einem fest an der Aufbauplatte 13 angeordneten Stützarm 17 angeordnet ist. Weiter ist an der Auflagerplat- te 15 ein Taster 19 derart beweglich angeordnet, daß er in den Durchlaufbereich der betreffenden Werkstückquerseite 4 eingefahren und daraus zurückgezogen werden kann, ohne in der Durchlaufrichtung der Werkstücke nachgiebig zu sein, damit er gegen die Kraft des Druckelementes 18 bei verzö- gertem Oszillationsantrieb 8 das Kappwerkzeug 5 relativ dazu verschieben kann.Depending on the design and the quality of the end face of the finished cut edge strip on the workpiece narrow surface side 3 in question, it may be necessary to support the cutting tool 5 together with its cutting motor 6 on the front transverse side 4 of the workpiece during the cutting process. For this purpose, the oscillation movement is delayed during the cutting process so that the cutting tool 5 is carried along by the workpiece. The corresponding compensation takes place by displacing the cutting tool 5 with the cutting motor 6 and the support plate 15 against a pressure element 18, such as a pneumatic cylinder or a spring, which is arranged on a support arm 17 which is fixedly arranged on the mounting plate 13. Furthermore, a pushbutton 19 is movably arranged on the support plate 15 in such a way that it can be retracted into and withdrawn from the passage area of the relevant workpiece transverse side 4 without being compliant in the direction of passage of the workpieces, so that it acts against the force of the pressure element 18 delayed oscillation drive 8 can shift the cutting tool 5 relative to it.
In gleicher Weise kann der Oszillationsantrieb 8 gegenüber der Durchlaufgeschwindigkeit der Werkstücke 2 beschleunigt werden, damit eine Abstützung in analoger Weise an der in
Durchlaufrichtung rückwärtigen Werkstückquerseite 4 erfolgen kann, um während des Kappvorganges eine definierte Lage des Kappwerkzeuges 5 relativ zu der betreffenden Werkstückquerseite 4, mit der der Kantenstreifen bündig zu schneiden ist, zu erlangen. Es versteht sich daher, daß das in Fig. 1 wiedergegebene Schneidaggregat in der Kappstation der Durchlaufmaschine durch ein spiegelsymmetrisch aufgebautes und angeordnetes Schneidaggregat ergänzt wird, um an beiden Enden der beschichteten Werkstück-Schmalflächenseite 3 die überstehenden Enden des Kantenstreifens kappen zu können.In the same way, the oscillation drive 8 can be accelerated in relation to the throughput speed of the workpieces 2, so that a support in an analogous manner on the in Direction of movement of the rear transverse workpiece side 4 can take place in order to achieve a defined position of the cutting tool 5 relative to the relevant transverse workpiece side 4, with which the edge strip is to be cut flush, during the cutting operation. It is therefore understood that the cutting unit shown in FIG. 1 is supplemented in the cross-cutting machine by a mirror-symmetrically constructed and arranged cutting unit in order to be able to cut the protruding ends of the edge strip at both ends of the coated workpiece narrow surface side 3.
Mitunter ist es erforderlich, an den Ecken der Werkstücke 2 nicht nur Kappschnitte parallel zu den Werkstückquerseiten 4 auszuführen sondern diagonal gerichtete Schnitte, wie es Fig. 3 veranschaulicht. Dazu ist das Kappwerkzeug 5 mit dem Kappmotor 6 auf einer Trägerplatte 16 angeordnet, die gegenüber der Auflagerplatte 15 verschwenkt werden kann. Der Schwenkweg ist durch eine Kulisse 21 vorgegeben, die in eine der beiden Platten 15, 16 eingearbeitet sein kann und in die die jeweils andere Platte 16, 15 mit einem vorstehenden Nocken oder dergleichen eingreift, wie aus Fig. 3 hervorgeht.
Sometimes it is necessary not only to make cross cuts parallel to the workpiece transverse sides 4 at the corners of the workpieces 2, but also diagonally directed cuts, as illustrated in FIG. 3. For this purpose, the cutting tool 5 with the cutting motor 6 is arranged on a carrier plate 16, which can be pivoted relative to the support plate 15. The pivot path is predetermined by a link 21, which can be incorporated in one of the two plates 15, 16 and in which the other plate 16, 15 engages with a protruding cam or the like, as can be seen in FIG. 3.
Claims
1. Schneidaggregat für eine zur Bearbeitung der Schmalflachenseiten von plattenförmigen Werkstücken aus Holz und/oder Holzaustauschstoffen, wie Platten für den Möbelbau oder Innenausbau bestimmte Durchlaufmaschine mit einem rotierenden Schneidwerkzeug (5) für einen Schnitt an den Werkstück-Schmalflächenseiten, welches auf einem Support (7) angeordnet ist, der mit dem jeweiligen durchlaufenden Werkstück (2) entlang einem Wegstück mitbewegt sowie in die Ausgangslage zurückbewegt wird und der quer zur Werkstück-Durchlaufrichtung zwecks Vorschub und Rückholung des Schneidwerkzeugs (5) bewegbar ist, dadurch gekennzeichnet, daß der Support (7) auf einem ortsfest angeordneten Oszillationsantrieb (8) sitzt, der auf den Support (7) eine Oszillationsbewegung mit einem Längshub parallel zur Durchlaufrichtung und einem Querhub überträgt, daß der Längshub und der Querhub einander in einer gemeinsamen Ebene überlagert sind, daß die Amplitude des Querhubs zu den durchlaufenden Werkstücken (2) hin auf die Schnitttiefe des Schneidwerkzeugs (5) abgestimmt und die Ge- schwindigkeitskomponente des Längshubs im Scheitelbereich dieser Amplitude des Querhubs an die Werkstück- Durchlaufgeschwindigkeit angepaßt ist. 1.Cutting unit for a continuous machine intended for processing the narrow surface sides of plate-shaped workpieces made of wood and / or wood substitutes, such as panels for furniture construction or interior construction, with a rotating cutting tool (5) for a cut on the workpiece narrow surface sides, which is supported on a support (7 ) is arranged, which is moved along with the respective continuous workpiece (2) along a path and moved back to the starting position and which can be moved transversely to the direction of the workpiece through for the purpose of advancing and retrieving the cutting tool (5), characterized in that the support (7 ) sits on a fixedly arranged oscillation drive (8) which transmits to the support (7) an oscillation movement with a longitudinal stroke parallel to the direction of travel and a transverse stroke, that the longitudinal stroke and the transverse stroke are superimposed on one another in a plane that the amplitude of the transverse stroke to the continuous We pieces (2) are matched to the depth of cut of the cutting tool (5) and the speed component of the longitudinal stroke in the apex region of this amplitude of the transverse stroke is adapted to the workpiece throughput speed.
2. Schneidaggregat nach Anspruch 1, dadurch gekennzeichnet, daß die auf den Support (7) übertragene Oszillationsbewegung eine kreisende Bewegung ist, die von jedem Punkt des Supports (7) ausgeführt wird.2. Cutting unit according to claim 1, characterized in that the oscillating movement transmitted to the support (7) is a circular movement which is carried out from every point of the support (7).
3. Schneidaggregat nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die auf den Support (7) übertragene Oszillationsbewegung diskontinuierlich ist und mit jeder Periode entsprechend einem beginnenden Arbeitsspiel des Schneidwerkzeuges (5) neu gestartet wird.3. Cutting unit according to claim 1 or 2, characterized in that the oscillating movement transmitted to the support (7) is discontinuous and is restarted with each period in accordance with an incipient working cycle of the cutting tool (5).
4. Schneidaggregat nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Oszillationsantrieb (8) zwei Mitnehmer (12) aufweist, die in Eingriff mit dem Support (7) stehen und die in Abstand voneinander miteinander achsparallel angeordnet sowie synchron miteinander mit dem gleichen Exzenterhub exzentrisch angetrieben sind.4. Cutting unit according to claim 2 or 3, characterized in that the oscillation drive (8) has two drivers (12) which are in engagement with the support (7) and which are arranged at a distance from one another axially parallel and synchronously with one another with the same eccentric stroke are eccentrically driven.
5. Schneidaggregat nach Anspruch 4, dadurch gekennzeichnet, daß die Mitnehmer (12) als Exzenterbolzen ausgebildet sind, die an höhengleichen, horizontalliegenden Drehscheiben (11) oberseitig vorstehen. 5. Cutting unit according to claim 4, characterized in that the drivers (12) are designed as eccentric bolts which protrude from the top on the same level, horizontal turntables (11).
6. Schneidaggregat nach Anspruch 5, dadurch gekennzeichnet, daß die Drehscheiben (11) je eine Umfangsverzahnung (14) haben und mit den Umfangsverzahnungen (14) beider Drehscheiben (11) ein dazwischen angeordnetes Antriebszahnrad (10) kämmt.6. Cutting unit according to claim 5, characterized in that the turntables (11) each have peripheral teeth (14) and with the peripheral teeth (14) of both turntables (11) intermeshes an intermediate drive gear (10).
7. Schneidaggregat nach einem der Ansprüche 4 - 6, dadurch gekennzeichnet, daß der Support (7) eine untere Aufbauplatte (13) aufweist, in welche die Mitnehmer (12) des Oszillationsantriebs (8) an deren Unterseite eingreifen.7. Cutting unit according to one of claims 4-6, characterized in that the support (7) has a lower mounting plate (13) into which the drivers (12) of the oscillation drive (8) engage on the underside thereof.
8. Schneidaggregat nach Anspruch 7, dadurch gekennzeichnet, daß auf der Aufbauplatte (13) eine relativ dazu verstellbare Trägerplatte (16) gelagert ist, auf der das Schneidwerkzeug (5) sich befindet.8. Cutting unit according to claim 7, characterized in that on the mounting plate (13) a relatively adjustable carrier plate (16) is mounted on which the cutting tool (5) is located.
9. Schneidaggregat nach Anspruch 8, dadurch gekennzeichnet, daß das Schneidwerkzeug (5) ein auf der Motorwelle eines Antriebsmotors (6) aufgenommenes Kreissägeblatt ist.9. Cutting unit according to claim 8, characterized in that the cutting tool (5) is a circular saw blade received on the motor shaft of a drive motor (6).
10. Schneidaggregat nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß die Trägerplatte (16) mitsamt dem Schneidwerkzeug (5) um eine zur Durchlaufebene der Werkstücke (2) senkrechte Achse schwenkbar ist.10. Cutting unit according to claim 8 or 9, characterized in that the carrier plate (16) together with the cutting tool (5) can be pivoted about an axis perpendicular to the plane of passage of the workpieces (2).
11. Schneidaggregat nach einem der Ansprüche 7 - 10, dadurch gekennzeichnet, daß zwischen der Aufbauplatte (13) des Supports (7) und der das Schneidwerkzeug (5) aufnehmenden Trägerplatte (16) eine Kreuzführung (14) zwecks Justierung des Schneidwerkzeugs (5) in der Durchlaufrichtung der Werkstücke (2) sowie quer dazu angeordnet ist.11. Cutting unit according to one of claims 7 - 10, characterized in that between the mounting plate (13) of the support (7) and the cutting tool (5) receiving the carrier plate (16) has a cross guide (14) for adjusting the cutting tool (5) is arranged in the direction of flow of the workpieces (2) and transversely thereto.
12. Schneidaggregat nach Anspruch 11, dadurch gekennzeichnet, daß die das Schneidwerkzeug (5) tragende Trägerplatte12. Cutting unit according to claim 11, characterized in that the cutting tool (5) carrying the carrier plate
(16) über die Kreuzführung (14) gegen die Kraft eines(16) via the cross guide (14) against the force of a
Druckelementes (18) in Richtung des Durchlaufs derPressure element (18) in the direction of the passage of the
Werkstücke (2) verschieblich ist und die Trägerplatte (16) mit einem Taster (19) verbunden ist, der zwecks Anschlags der in Durchlaufrichtung vornliegenden, quer zu den mit dem Kantenstreifen beschichteten Schmalflachenseiten (3) verlaufenden Werkstückquerseiten (4) bzw. zwecks Anschlags an den in Durchlaufrichtung hin- tenliegenden Werkstück-Querseiten (4) in den Durchlaufbereich der jeweils betreffenden Querseite (4) eines Werkstücks (2) einfahrbar ist. Workpieces (2) are displaceable and the carrier plate (16) is connected to a button (19) which, in order to stop the transverse workpiece sides (4) lying in front in the direction of passage and transverse to the narrow surface sides (3) coated with the edge strip, or to stop the workpiece transverse sides (4) lying behind in the direction of passage can be moved into the passage area of the respective transverse side (4) of a workpiece (2).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2001124081 DE10124081C1 (en) | 2001-05-16 | 2001-05-16 | Cutting apparatus for throughput machine has saddle sitting on fixed oscillation drive |
| DE10124081 | 2001-05-16 | ||
| PCT/EP2002/004816 WO2002092268A2 (en) | 2001-05-16 | 2002-05-02 | Cutting unit for a throughput machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1419026A2 true EP1419026A2 (en) | 2004-05-19 |
| EP1419026B1 EP1419026B1 (en) | 2008-10-01 |
Family
ID=7685168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02753037A Expired - Fee Related EP1419026B1 (en) | 2001-05-16 | 2002-05-02 | Cutting unit for a throughput machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1419026B1 (en) |
| DE (2) | DE10124081C1 (en) |
| ES (1) | ES2312602T3 (en) |
| WO (1) | WO2002092268A2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005014651B4 (en) * | 2005-03-31 | 2009-01-02 | Homag Holzbearbeitungssysteme Ag | Method and device for processing plate-shaped workpieces |
| DE102005054608B3 (en) * | 2005-11-11 | 2007-03-15 | Innotech Holztechnologien Gmbh | Sandwich component narrow surface machining method for furniture and interior fittings, involves separating core layer from top layers of sandwich component in defined boundary region in non-cutting manner |
| DE102005063034B4 (en) * | 2005-12-29 | 2007-10-31 | Flooring Technologies Ltd. | Panel, in particular floor panel |
| DE202007017660U1 (en) * | 2007-12-18 | 2009-04-30 | Homag Holzbearbeitungssysteme Ag | processing machine |
| DE102009045731A1 (en) * | 2009-10-15 | 2011-04-21 | Homag Holzbearbeitungssysteme Ag | Device for processing workpieces |
| DE102011114763A1 (en) * | 2011-10-01 | 2013-04-04 | Ima Klessmann Gmbh Holzbearbeitungssysteme | Method and device for attaching an edge band section |
| DE102013007565A1 (en) * | 2013-05-02 | 2014-11-06 | Ima Klessmann Gmbh Holzbearbeitungssysteme | Cappager assembly and method of capping |
| DE102019135438A1 (en) * | 2019-12-20 | 2021-07-08 | Homag Gmbh | Trimming device, coating device and method for cutting a narrow-surface coating material to length |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1045207B (en) * | 1955-03-31 | 1958-11-27 | Mannesmann Meer Ag | Flying saw |
| US2947184A (en) * | 1956-10-19 | 1960-08-02 | Youngstown Sheet And Tube Co | Variable speed transmission |
| US3143021A (en) * | 1962-09-19 | 1964-08-04 | Mannesmann Meer Ag | Rotary saw |
| DE1261655B (en) * | 1965-10-28 | 1968-02-22 | Hornberger Maschb Ges O H G | Device for flush cutting veneer strips |
| DE1703446B2 (en) * | 1968-05-22 | 1974-06-20 | B. Raimann Gmbh Maschinenfabrik U. Eisengiesserei, 7800 Freiburg | Trimming device for veneer edges |
| JPS57138518A (en) * | 1981-02-16 | 1982-08-26 | Asada Kikai Seisakusho:Kk | Cutter |
| DE3224467A1 (en) * | 1982-06-30 | 1984-01-05 | Hornberger Maschinenbaugesellschaft mbH & Co KG, 7294 Schopfloch | Method and apparatus for working workpieces |
| ES2086831T3 (en) * | 1992-07-08 | 1996-07-01 | Klessmann Ima Norte Maschfab | CONTINUOUS PASSING MACHINE FOR THE MACHINING OF PLATES FOR EDGE OF PIECES IN THE FORM OF PLATES. |
| DE29822374U1 (en) * | 1998-12-16 | 1999-02-25 | IMA Maschinenfabriken Klessmann GmbH, 32312 Lübbecke | Cutting device with feeler roller |
-
2001
- 2001-05-16 DE DE2001124081 patent/DE10124081C1/en not_active Expired - Fee Related
-
2002
- 2002-05-02 ES ES02753037T patent/ES2312602T3/en not_active Expired - Lifetime
- 2002-05-02 DE DE50212843T patent/DE50212843D1/de not_active Expired - Lifetime
- 2002-05-02 EP EP02753037A patent/EP1419026B1/en not_active Expired - Fee Related
- 2002-05-02 WO PCT/EP2002/004816 patent/WO2002092268A2/en active IP Right Grant
Non-Patent Citations (1)
| Title |
|---|
| See references of WO02092268A3 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10124081C1 (en) | 2002-06-13 |
| ES2312602T3 (en) | 2009-03-01 |
| WO2002092268A3 (en) | 2003-03-20 |
| EP1419026B1 (en) | 2008-10-01 |
| DE50212843D1 (en) | 2008-11-13 |
| WO2002092268A2 (en) | 2002-11-21 |
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