EP3305488B1 - Dispositif et procédé destinés au traitement d'une pièce à usiner - Google Patents

Dispositif et procédé destinés au traitement d'une pièce à usiner Download PDF

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Publication number
EP3305488B1
EP3305488B1 EP17194707.0A EP17194707A EP3305488B1 EP 3305488 B1 EP3305488 B1 EP 3305488B1 EP 17194707 A EP17194707 A EP 17194707A EP 3305488 B1 EP3305488 B1 EP 3305488B1
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EP
European Patent Office
Prior art keywords
workpiece
property
machining
sensing
force
Prior art date
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Application number
EP17194707.0A
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German (de)
English (en)
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EP3305488A1 (fr
Inventor
Markus Kostenbader
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Homag GmbH
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Homag GmbH
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    • 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 present invention relates to a device according to the preamble of claim 1 and a method according to the preamble of claim 5.
  • Plate-shaped workpieces made of wood or wood-based materials are u.a. processed in the furniture and component industry.
  • An edge material is often attached to the narrow sides of such workpieces, which in many cases requires reworking in an applied state. Tolerances of the edge material and / or the workpiece geometry, stress-related position tolerances of the workpiece or a different behavior depending on workpiece or machining position in the post-processing often require to achieve good machining qualities compensation by a sensing device with which the post-processing tool is performed relative to the workpiece.
  • Such a sensing device has, for example, a sensing roller.
  • the sensing roller can be adjustable in diameter, as from the EP 2 539 096 A1 known.
  • the sensing device may be formed in the form of a Tastkurve. In both cases, the sensing device during workpiece machining with a pressed specific force to the workpiece so as to set a permanent contact relative positioning of the tool and workpiece.
  • the EP 1 780 621 A1 relates to a method of processing a disk, wherein data is allocated to the disk during a preparation, wherein the disk is identified and at least part of the corresponding data is displayed on a user interface at or near the processing location of the disk.
  • the EP 2 433 745 A1 relates to an apparatus for processing workpieces, comprising a processing unit with at least one processing tool and / or processing unit for performing the processing on a workpiece, a drive unit for causing a relative movement between the processing unit and the workpiece, and a associated with the processing unit button unit with a probe element to key a workpiece surface to position the processing unit with respect to the respective workpiece.
  • a machining device is described with a workpiece arrangement acting on the tool assembly, which has at least one tool, and with a sensing device with at least one sensing roller which is rotatably mounted about its axis of rotation and which controls the position of the tool relative to the workpiece.
  • the sensing roller is mounted by means of an actuating arrangement such that its axis of rotation is adjustable relative to the associated tool.
  • the present invention was therefore based on a technical problem to provide a device for processing a plate-shaped workpiece, which is preferably at least partially made of wood, wood materials, plastic or the like, with an aforementioned sensing device, which is a high quality even when equipped with very different workpieces Editing possible.
  • the invention is based on the idea that in the devices in the prior art properties of the workpiece to be machined, such as material and dimensions, are not taken into account. Regardless of the workpiece, the sensing device is pressed against the workpiece with a constant force and guided along this.
  • a compliance of a workpiece according to the invention is understood to mean the deformation of the workpiece at a position with a specific force, in particular in the direction of action of force.
  • the compliance can be a position-dependent parameter. In other words, the compliance of a workpiece may vary across the workpiece or along the workpiece. If a sensing device is pressed against a workpiece with a certain force, the workpiece compliance depends, for example, on the material and shape of the workpiece as well as the pressure position. More specifically, however, workpieces having the same dimensions but having different materials at the same position may have different compliances. Also, workpieces can be made the same materials but with different dimensions have different compliances.
  • This knowledge makes use of the present invention and provides a device for processing a plate-shaped workpiece, which is preferably at least partially made of wood, wood materials, plastic or the like, with a processing device for processing the workpiece, a conveyor for bringing about a relative movement between the Machining device and the workpiece, and a sensing device for guiding the machining device along the workpiece, in particular such that a constant relative positioning of the machining device and a workpiece section being processed is achievable ready.
  • the device is adapted to press the sensing device with a force to the workpiece.
  • the device is characterized in that it has a property detection device for detecting a property of the workpiece to be machined.
  • the detected property is a compliance of the workpiece.
  • the compliance of a workpiece is, as described above, the deformation of the workpiece at a certain force.
  • the characteristic detection device can have a force application device for applying a predetermined force to the workpiece and a measuring device with which the compliance of the workpiece can be determined upon application of the predetermined force.
  • the device is further configured to adapt the sensing force of the sensing device and / or the positioning position of the processing device to the workpiece to the detected workpiece property or the detected workpiece properties.
  • a device of the device according to the invention means a device of the device such that the device can carry out the corresponding step without further modifications.
  • the device according to the invention is prepared in such a way that it can adapt the sensing force of the sensing device and / or the positioning position of the processing device to the workpiece to the detected workpiece property, without further modifications of the device are required.
  • the sensing force of the sensing device and / or the positioning position of the processing device to the workpiece can be adapted to at least one property of the workpiece to be machined.
  • the accuracy of the delivery of tool to workpiece can be advantageously increased even when processing different workpieces, resulting in a better Processing quality results. For example, a high processing quality can be achieved even with a lot size-1 production.
  • the property detection device is provided in the conveying direction before the processing device. This makes it possible to determine the workpiece property before machining and to allow it to be incorporated immediately into the subsequent machining of the workpiece. Particularly good machining qualities are the result.
  • the characteristic detection device is set up to detect the property of the workpiece along a path.
  • the property of the workpiece is determined not only punctually, but continuously along a path train, for example along a workpiece side.
  • a data set is generated from a multiplicity of positions along the route and the workpiece property belonging to the respective position.
  • the device according to this preferred embodiment is further adapted to adjust the sensing force of the sensing device to the detected characteristic at the respective position along that route. This adaptation preferably takes place during the machining of the workpiece.
  • the tactile force of the sensing device when guiding the machining device along the workpiece can be continuously adjusted to the detected workpiece property at the respective workpiece position.
  • the device is set up to determine the property along the end faces and cover sides of the plate-shaped workpiece. According to these preferred embodiments, a particularly high machining quality can be achieved, since position-dependent differences in the workpiece property can be taken into account when setting the sensing force of the sensing device.
  • the present invention relates to a method having the features of claim 5.
  • the advantages of the method reference is made to the advantages which have been set forth above in connection with the embodiments of the device according to the invention.
  • the preferred embodiment relates to a device 10 for processing a plate-shaped workpiece 1.
  • the workpiece 1 is preferably at least partially made of wood, wood materials, plastic or the like. Such workpieces are used, for example, in the field of furniture and component industry. It may be a solid wood or chipboard, lightweight board, sandwich panel or the like. The present invention is not limited to such workpieces.
  • FIG. 1 shows a device 10 for processing a plate-shaped workpiece 1.
  • the device may have a processing device 11.
  • the processing device 11 may in particular comprise a post-processing device in order to rework the edges of an edgeband applied to a narrow surface of a workpiece 1.
  • the post-processing device preferably comprises a milling tool.
  • the processing device 11 is not limited to such a configuration. For example, she can additionally or alternatively have a device for the format processing of the workpiece 1.
  • the device 10 has a conveyor 12 for conveying a workpiece in a conveying direction F.
  • the conveyor 12 may, as in FIG. 1 shown to be formed in the form of a conveyor chain and / or a conveyor belt.
  • a device 10 for processing a workpiece 1 in a continuous process can be provided.
  • the processing device 11 is provided fixed in the conveying direction F substantially locally. The relative movement between the tool and the workpiece is brought about by the conveying device 12, by means of which the workpiece 1 is guided past the machining device 11.
  • the conveying device according to the invention may also be designed in the form of a cantilever and / or portal, on which the machining device is preferably provided movable.
  • a device can be provided, with which a workpiece can be processed in the so-called stationary technology.
  • the workpiece is fixed substantially spatially fixed on a machining table. The relative movement between the tool and the workpiece is brought about by the arm / portal, by means of which the machining device is guided past the workpiece.
  • a combination of continuous and stationary technology is conceivable within the scope of the present invention.
  • the device 10 has a property detecting device 13 for detecting a property of the workpiece 1.
  • the feature detection device 13 is preferably in Delivery direction F before the processing device 11 is provided. Alternatively, it may also be included in the processing device 11 or arranged downstream of the processing device 11 in the conveying direction F.
  • the property detection device 13 may be configured to detect a compliance of the workpiece 1.
  • the device 13 is set up to determine the compliance of the workpiece 1 along all 4 end faces 2, 2 'and both top sides 3 of the plate-shaped workpiece 1.
  • a detection of a property along a workpiece side is understood according to the invention to be the continuous determination of this property from one region of the workpiece side to another region of the workpiece side.
  • a course of the corresponding property, for example, compliance, along the workpiece side is detected by the property detection device 13.
  • the device 13 may have a force application device, not shown, and a measuring device.
  • the force application device the property detection device 13 can act on the workpiece 1 with a predetermined force, wherein by means of the measuring device, the compliance of the workpiece is determined upon application of the predetermined force.
  • the measuring device can be designed to determine compliance without contact, in particular optically, and particularly preferably by means of a laser.
  • the force application device may have a Tastkurve.
  • the predetermined force which is applied to the workpiece, for example, between 100 and 200 N, preferably at about 150 N lie. Depending on the workpiece property, the sensing force may also be lower.
  • the characteristic detection device 13 can also be set up to determine a maximum force with which the workpiece 1 can be acted upon, so that the compliance does not exceed a specific limit value, for example 0.01 mm.
  • a specific limit value for example 0.01 mm.
  • the force with which the workpiece is applied increased or decreased until the determined by the measuring device compliance is within the desired range. For example, it is possible to determine a progression of maximum probing forces along a side of the workpiece with which the compliances along this side of the workpiece do not exceed a certain limit.
  • the device 10 comprises a sensing device, not shown.
  • the sensing device may be in the form of a touch roller and / or Tastkurve. Other embodiments are conceivable here.
  • the sensing device is provided to guide the processing device 11 along the workpiece 1, so that a predetermined Zustellpositiontechnik between processing device and workpiece 1 can be achieved.
  • the sensing device is pressed with a certain tactile pressure to the side of the workpiece 1 to be machined.
  • the device 10 is set up to adapt the tactile pressure of the sensing device and / or the positioning position of the processing device to the workpiece to the property or the detected properties of the workpiece 1 detected by the property detection device 13.
  • the tactile pressure of the sensing device can be adjusted in dependence on the workpiece properties determined in the property detection device 13 such that a maximum compliance of the workpiece is not exceeded.
  • the delivery positioning of the processing device to the workpiece is adapted to the determined workpiece properties.
  • the Touching force and / or the delivery positioning continuously adjusted during workpiece machining along a workpiece side.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Claims (5)

  1. Dispositif (10) de traitement d'une pièce à usiner (1) en particulier en forme de plaque, qui est réalisée de préférence au moins par section en bois, matériaux dérivés du bois, plastique ou similaire, présentant
    un système de traitement (11) pour le traitement de la pièce à usiner (1) ;
    un convoyeur (12) pour assurer un mouvement relatif entre le système de traitement (11) et la pièce à usiner (1) dans un convoyeur (F) ; et
    un système palpeur pour le guidage du système de traitement (11) le long de la pièce à usiner (1), dans lequel le dispositif (10) est aménagé pour presser le système palpeur avec une force de palpage sur la pièce à usiner (1) ;
    dans lequel le dispositif (10)
    présente un système de détection de propriété (13) pour la détection d'une propriété de la pièce à usiner (1) et est aménagé pour adapter la force de palpage du système palpeur et/ou le positionnement de distribution du système de traitement par rapport à la pièce à usiner à la propriété détectée de la pièce à usiner,
    caractérisé en ce que le système de détection de propriété (13) est aménagé pour détecter une résilience de la pièce à usiner (1), dans lequel la résilience est la déformation de la pièce à usiner lors d'un effet de force déterminé,
    dans lequel le système de détection de propriété (13) présente un système d'application de force pour soumettre la pièce à usiner (1) à une force prédéterminée et un système de mesure pour déterminer la résilience de la pièce à usiner (1) lors de la soumission à la force prédéterminée.
  2. Dispositif (10) selon la revendication 1, dans lequel le système de détection de propriété (13) est prévu dans la direction de transport (F) avant le système de traitement (11).
  3. Dispositif (10) selon l'une quelconque des revendications précédentes, dans lequel le système de détection de propriété (13) est aménagé pour détecter la propriété de la pièce à usiner (1) le long d'un trajet, en particulier d'un côté de pièce à usiner (2 ; 2' ; 3), et dans lequel le dispositif (10) est aménagé pour adapter la force de palpage du système palpeur à la propriété détectée à la position respective le long du trajet.
  4. Dispositif (10) selon la revendication 3, dans lequel la propriété peut être détectée le long des côtés frontaux (2, 2') et des côtés de recouvrement (3) de la pièce à usiner en forme de plaque (1).
  5. Procédé de traitement d'une pièce à usiner (1) en particulier en forme de plaque, qui est réalisée de préférence au moins par section en bois, matériaux dérivés du bois, plastique ou similaire, en particulier en utilisant un dispositif selon l'une quelconque des revendications 1 à 4, comprenant
    la détection d'une propriété de la pièce à usiner (1) à traiter avec un système de détection de propriété (13) ;
    le guidage d'un système de traitement (11) le long de la pièce à usiner (1) au moyen d'un système palpeur ; et
    la pression du système palpeur avec une force de palpage sur la pièce à usiner (1) ;
    dans lequel le procédé présente en outre une adaptation de la force de palpage et/ou du positionnement de distribution du dispositif de traitement par rapport à la pièce à usiner à la propriété détectée avec le système de détection de propriété (13) de la pièce à usiner (1) à traiter,
    caractérisé en ce que la propriété est une résilience de la pièce à usiner (1), dans lequel la résilience présente par soumission de la pièce à usiner (1) à une force prédéterminée et une mesure de la résilience pour déterminer la résilience de la pièce à usiner (1) lors de la soumission à la force prédéterminée.
EP17194707.0A 2016-10-05 2017-10-04 Dispositif et procédé destinés au traitement d'une pièce à usiner Active EP3305488B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016219265.5A DE102016219265A1 (de) 2016-10-05 2016-10-05 Vorrichtung und Verfahren zum Bearbeiten eines Werkstücks

Publications (2)

Publication Number Publication Date
EP3305488A1 EP3305488A1 (fr) 2018-04-11
EP3305488B1 true EP3305488B1 (fr) 2019-09-11

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DE (1) DE102016219265A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUA20163517A1 (it) 2016-05-17 2017-11-17 Scm Group Spa Copiatore e apparato fresatore per la lavorazione di un bordo applicato ad un pannello, che lo comprende
DE102020101172A1 (de) * 2020-01-20 2021-07-22 Homag Gmbh Vorrichtung und Verfahren zum Bearbeiten eines Werkstücks
DE102022116592A1 (de) 2022-07-04 2024-01-04 Homag Gmbh Beschichtungsvorrichtung und Verfahren zum beschichten einer Schmalfläche eines Werkstücks

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2392438A1 (fr) * 2010-06-02 2011-12-07 Homag Holzbearbeitungssysteme AG Dispositif de traitement
WO2014164964A1 (fr) * 2013-03-12 2014-10-09 Robert Bosch Gmbh Détecteur de matériau de pièce à travailler pour un outil de puissance

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19741163C2 (de) * 1997-09-18 2002-10-10 Homag Maschinenbau Ag Verfahren und Vorrichtung zur Durchlaufbearbeitung von plattenförmigen Werkstücken
EP1780621A1 (fr) * 2005-10-25 2007-05-02 Intellametric B.V. Méthode de traitement d'un panneau, système et produit de programme informatique associé
DE102010009525A1 (de) 2010-02-26 2011-09-01 Homag Holzbearbeitungssysteme Ag Vorrichtung zum Bearbeiten der Schmalflächen von bevorzugt plattenförmigen Werkstücken
EP2433745B1 (fr) * 2010-09-24 2014-01-22 Homag Holzbearbeitungssysteme AG Dispositif destiné au traitement de pièces à usiner
DE102013207107A1 (de) * 2013-04-19 2014-11-06 Homag Holzbearbeitungssysteme Gmbh Vorrichtung und Verfahren zum Kantenbearbeiten eines Werkstücks
DE102015003811A1 (de) * 2015-03-24 2016-09-29 Ima Klessmann Gmbh Holzbearbeitungssysteme Vorrichtung und Verfahren zur Bearbeitung plattenförmiger Werkstücke
DE102016204249A1 (de) * 2016-03-15 2017-09-21 Homag Gmbh Vorrichtung zum Bearbeiten und/oder Beschichten eines Werkstücks

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2392438A1 (fr) * 2010-06-02 2011-12-07 Homag Holzbearbeitungssysteme AG Dispositif de traitement
WO2014164964A1 (fr) * 2013-03-12 2014-10-09 Robert Bosch Gmbh Détecteur de matériau de pièce à travailler pour un outil de puissance

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DE102016219265A1 (de) 2018-04-05
EP3305488A1 (fr) 2018-04-11

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