EP1714756B1 - Bearbeitungszentrum zum Bearbeiten von plattenförmigen Werkstücken - Google Patents

Bearbeitungszentrum zum Bearbeiten von plattenförmigen Werkstücken Download PDF

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Publication number
EP1714756B1
EP1714756B1 EP06002341A EP06002341A EP1714756B1 EP 1714756 B1 EP1714756 B1 EP 1714756B1 EP 06002341 A EP06002341 A EP 06002341A EP 06002341 A EP06002341 A EP 06002341A EP 1714756 B1 EP1714756 B1 EP 1714756B1
Authority
EP
European Patent Office
Prior art keywords
unit
melting
coating material
processing
coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP06002341A
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German (de)
English (en)
French (fr)
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EP1714756A1 (de
Inventor
Achim Gauss
Johannes Schmid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Homag GmbH
Original Assignee
Homag Holzbearbeitungssysteme 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 Homag Holzbearbeitungssysteme GmbH filed Critical Homag Holzbearbeitungssysteme GmbH
Priority to PL06002341T priority Critical patent/PL1714756T3/pl
Publication of EP1714756A1 publication Critical patent/EP1714756A1/de
Application granted granted Critical
Publication of EP1714756B1 publication Critical patent/EP1714756B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
    • B27D5/003—Other working of veneer or plywood specially adapted to veneer or plywood securing a veneer strip to a panel edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G11/00—Applying adhesives or glue to surfaces of wood to be joined

Definitions

  • the coating unit is composed of two basic elements, namely a supply unit and a gluing unit.
  • Supply unit and piecing unit form a unitary station, of which, however, only a part, namely the gluing unit can be changed into the work spindle.
  • the supply unit remains stationary on an energy bar, which supplies melting energy to the reflow unit.
  • the stationary supply unit has a docking device to which the piecing unit can be reconnected after completion of the processing operation by uncoupling from the spindle unit via the interface.
  • Constructions of this type always maintain a relatively large amount of coating material at processing temperature. They are therefore particularly suitable for continuous operation. In addition, they require a relatively large amount of energy and, due to the division into two parts, a not inconsiderable amount of space.
  • the coating material can be of different types and consistencies. If, for example, solid wood, veneer or plastic edges are to be applied to the narrow surfaces of plate-shaped workpieces, an adhesive is used as the coating material. Depending on the edge or plate material, a hot melt adhesive, a contact adhesive or another adhesive can be used. This can be provided in solid (eg as a cartridge), in liquid form or in another form (eg granules). However, the coating material may be a varnish or a filler or plastic compound (thermosetting or thermoplastic), with which the narrow surfaces of the respective workpiece is sealed, filled or provided with a more or less strong layer, which can then optionally be fed to a further processing operation.
  • an adhesive is used as the coating material.
  • a hot melt adhesive e.g., a contact adhesive or another adhesive can be used. This can be provided in solid (eg as a cartridge), in liquid form or in another form (eg granules).
  • the coating material may be a varnish or a filler or plastic compound (
  • Object of the present invention is to develop a machining center such that coating operations with less technical and energy costs can be realized.
  • the invention is based on the idea to completely redesign the previously known concept of coating technology with machining centers.
  • This requires completely dispense with a stationary supply unit and summarize all functions in an aggregate, which can then be housed in the already existing at machining centers magazine arrangement for the processing tools and processing units and can be substituted if necessary via the interface in the spindle unit.
  • the solution to this problem is based on the idea to minimize both the provided in the feed unit as well as the processing temperature melted amount of the coating material to a minimum and the Heating process to limit that period in which the coating unit is replaced via the interface in the spindle unit.
  • This in turn requires a new concept for the melting and the shortest possible path of the coating material from the place of melting to the place of the order, ie the shortest possible distance between the melting unit and the application unit.
  • a melting unit has at least two successive melting gratings. If necessary, three or more melting gratings can be connected in series. It merely has to be ensured that the last melting grate flowing in the direction of flow of the coating material heats the coating material to the desired processing temperature and the upstream, ie upstream, melting gratings gradually bring the coating material in each case to a temperature which is lower than the final processing temperature.
  • the feed unit and the reflow unit into a complete structural unit and to connect it to the application unit via as short a channel section as possible.
  • the melting unit is arranged at the outlet of the feed unit.
  • the compact design of the assembly is expediently achieved in that the short channel section is formed as part of the housing interior of the application unit.
  • any type of coating material can be processed with a coating unit according to the invention.
  • only an adaptation to the consistency and the other parameters of the coating material and the application process is necessary.
  • hot melt adhesives are to be applied to the narrow sides of plate-shaped workpieces with a coating unit according to the invention, it is expedient to spatially separate the application unit from the feed unit and the melting unit.
  • the application unit wedge-shaped i. to adapt to the wedge-shaped space between the narrow side of the workpiece and the feed path for the edges just before the pressure roller for the edges.
  • the feed and the melting unit is combined to form a structural unit and as close as possible to the feed path on the side facing away from the workpiece supply edge, resulting in a relatively short channel section from the melting unit to the application unit. This may be either below or above the edge feed path, i. run on the shortest path between melting unit and job unit.
  • the feed unit can be designed in a great variety of ways.
  • the feed unit In the case of the processing of hot melt adhesive cartridges, in turn, it is advantageous to equip the feed unit with a receptacle or a receiving holder for the hot melt adhesive cartridges and also connect directly to the melting unit at its outlet end.
  • the machining center comprises a machine frame 1, which is equipped in the present embodiment with two extending in the X direction linear guides 2.
  • a stand 6 is movably mounted in the X direction, which carries on its upper side a boom 3, which extends in the Y direction.
  • the boom 3 has at its in FIG. 1 right side extending in the Y direction straight guide 4, on which a spindle unit 5 is movably mounted in the Y direction.
  • the spindle unit 5 can be moved in the X and Y directions via a machining table 7 connected to the machine frame 1, which supports the plate-shaped workpieces 8 to be machined.
  • the arrangement is made such that the spindle unit 5 reach each point of the machining table 7 and in this way can process one or more workpieces 8 arranged on the machining table 7.
  • the spindle unit 5 and / or stored in this work spindle (not shown), this can be done via corresponding guides in a conventional manner additionally in the Z direction, ie with respect to the plane of the FIG. 1 be moved up and down.
  • the workpiece 8 is clamped on the processing table 7 with conventional clamping means, for example suction devices (not shown).
  • a magazine assembly 9 is attached to the boom 3 or the stand 6. This can be configured in a known manner and carries the necessary for carrying out the machining operations on the workpiece 8 machining tools and processing units.
  • the magazine assembly 9 is designed in the form of a disk magazine.
  • the magazine assembly 9 is within the sphere of influence of the spindle unit 5, so that it can remove the respective processing tool or processing unit of the magazine assembly 9 (for example, in the so-called pick-up method) in accordance with the specifications and can deposit it again after processing.
  • the processing tools or processing units are in a rest position.
  • the work spindle of the spindle unit 5 is equipped with a so-called interface (not shown), via which the processing tools and processing units detected and held during the machining process and supplied with all necessary for their function power and control means. This primarily includes the supply of the torque required for the respective work process as well as the supply of pneumatic, hydraulic or electrical energy including the supply of data for the control and regulation.
  • FIG. 1 shown machining center is surrounded by a protective wall 10.
  • a protective wall 10 In the region of the right end of the travel path of the jib 3 and the spindle unit 5, an edge magazine 11 is arranged in the protective wall 10, which cooperates with an arranged between the edge magazine 11 and the machining center edge transfer device 12, as will be described below.
  • the coating unit 13 has a housing 14 which is equipped on its upper side with centering pins 15, which are part of the aggregate-side interface 16, with which the coating unit to the work spindle of Spindle unit 5 of the machining center can be coupled.
  • the interface 16 includes in a known manner a cone 17 for torque transmission and terminal contacts 18 for the supply of electrical energy and for the supply of data for control and regulation.
  • the centering pins 15 serve to fix the position of the housing 14, the respective position on the workpiece 8 (see. FIG. 1 ) can be rotated in its entirety in the optimal position for processing.
  • a base plate B With the housing 14 is a base plate B (see. FIG. 4 ), which carries a feed unit 19, a reflow unit 20 and an application unit 21.
  • the coating unit 13 shown is designed for processing hot melt adhesive cartridges 22.
  • the melt adhesive cartridges 22 are placed in a receptacle (in FIG. 4 not shown), which is closed on its upper side by a printing unit 24.
  • the pressure unit 24 consists in the present embodiment of a cylinder 25 in which a piston 26 is arranged, which is supported with its piston rod 27 on the housing 14.
  • the printing unit 24 has an upper pressure chamber 28 and a lower pressure chamber 29. If the lower pressure chamber 29 is acted upon by a pressure medium, the cylinder 25 moves downwards and presses the hot melt adhesive cartridge 22 with its lower end against the reflow unit 20 in the present embodiment, two heating regions 30 and 31, which are formed in the form of Aufschmelzrosten known design.
  • the melting gratings are connected in series to form the heating regions 30 and 31, wherein the heating region 30 brings the lowermost portion of the hot melt adhesive cartridge 22 to a preparation temperature and the heating region 31 brings the hot melt adhesive brought to the preparation temperature to the processing temperature.
  • the hot melt adhesive brought to processing temperature by the two heating zones 30 and 31 is fed, when feeding pressure medium into the lower pressure chamber 29, through a channel section 32 into the application unit 21, which in the present embodiment has a slot nozzle 33 with which the hot melt adhesive is applied to the narrow surface of the workpiece 8 - as from the FIGS. 3 and 4 apparent - is applied.
  • FIGS. 2, 3, and 4 illustrated coating unit 13 for coating with hot melt adhesive set.
  • this melt adhesive layer which in the FIGS. 3 and 4 is designated by the reference numeral 34 and is applied via the slot nozzle 33 on the end face of the workpiece 8 (see. FIGS. 3 and 4 ) an edge 35 is glued to the workpiece 8, as shown in FIG FIG. 3 is shown.
  • the edge 35 extends between the unit formed by feed unit 19 and reflow unit 20 and the application unit 21, as shown in FIG FIG. 4 is shown schematically.
  • the supply of the In the heating areas 30 and 31 melted hot melt adhesive thus takes place via the channel portion 32 under the edge 35 into the application unit 21 inside.
  • the application unit 21 is substantially wedge-shaped and adapted to the wedge-shaped space formed between the narrow side of the workpiece and a feed path 36 for the edge 35.
  • This room is located - like FIG. 3 shows - in the immediate vicinity of a pinch roller 37, which in a known manner, the edge 35 presses against the coated with the melt adhesive layer 34 narrow surface of the workpiece 8.
  • the feed path 36 for the edge 35 is formed by a guide unit 38, which is equipped in a known manner with guide means for the edge 35 and a retraction lock.
  • a guide unit 38 which is equipped in a known manner with guide means for the edge 35 and a retraction lock.
  • the edge of the edge magazine 11 via the edge transfer device 12 (see. FIG. 1 ) accepted.
  • the coating unit 13 contains all the units required for the coating process, namely the feed unit 19, the reflow unit 20 and the applicator unit 21 and is nevertheless designed as a compact, relatively small unit, which as a whole via the interface 16 in the spindle unit. 5 can be changed. Stationary utilities are not required for this.
  • the coating unit 13 thus represents a unit which is accommodated in the rest position in the magazine assembly 9 and can be removed from it at any time for sporadic use. Due to the low mass and the small amount of coating material and the special design of the melting unit and their proximity to the application unit, the coating unit 13 requires only relatively little time to be put into the operating state.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Coating Apparatus (AREA)
EP06002341A 2005-04-22 2006-02-06 Bearbeitungszentrum zum Bearbeiten von plattenförmigen Werkstücken Active EP1714756B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06002341T PL1714756T3 (pl) 2005-04-22 2006-02-06 Centrum obróbkowe do obróbki płytowych detali

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005018885A DE102005018885B3 (de) 2005-04-22 2005-04-22 Bearbeitungszentrum

Publications (2)

Publication Number Publication Date
EP1714756A1 EP1714756A1 (de) 2006-10-25
EP1714756B1 true EP1714756B1 (de) 2008-04-09

Family

ID=36685630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06002341A Active EP1714756B1 (de) 2005-04-22 2006-02-06 Bearbeitungszentrum zum Bearbeiten von plattenförmigen Werkstücken

Country Status (4)

Country Link
EP (1) EP1714756B1 (es)
DE (2) DE102005018885B3 (es)
ES (1) ES2303290T3 (es)
PL (1) PL1714756T3 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009006794U1 (de) 2009-05-12 2009-09-03 Homag Holzbearbeitungssysteme Ag Anleimaggregat
DE102009021676A1 (de) * 2009-05-18 2010-11-25 Homag Holzbearbeitungssysteme Ag Zufuhrvorrichtung
ES2388480T3 (es) * 2009-10-07 2012-10-15 Holz-Her Gmbh Dispositivo para aplicación de cola
DE202009016509U1 (de) 2009-12-04 2011-04-14 Homag Holzbearbeitungssysteme Ag 5-Achsbearbeitungszentrum mit Anleimaggregat
IT1397543B1 (it) * 2010-01-19 2013-01-16 Scm Group Spa Unita' di bordatura
DE202010009174U1 (de) 2010-06-17 2011-11-21 Homag Holzbearbeitungssysteme Ag Einwechselbares Beschichtungsaggregat
ITMO20110131A1 (it) * 2011-05-24 2012-11-25 Scm Group Spa Macchina bordatrice
DE102017208406A1 (de) * 2017-05-18 2018-11-22 Homag Gmbh Vorrichtung und Verfahren zum Aktivieren von Haftmittel
DE102019121878A1 (de) * 2019-08-14 2021-02-18 Homag Gmbh Einwechselbares Bearbeitungsaggregat
CN110877384A (zh) * 2019-12-02 2020-03-13 湖南乔伟生态科技新材料有限公司 一种具有提高生产细木工板效率的固体胶涂胶装置
DE102020117026A1 (de) 2020-06-29 2021-12-30 Homag Gmbh Vorrichtung und Verfahren zum Beschichten eines Werkstücks
CN112873452B (zh) * 2021-01-07 2023-06-16 费县久喜木业有限公司 一种家具用木板两边上胶设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3010649A1 (de) * 1980-03-20 1981-09-24 Karl M. Reich Maschinenfabrik GmbH, 7440 Nürtingen Schmelz- und auftragsvorrichtung fuer schmelzkleber
EP0728561B1 (de) * 1995-02-24 1999-07-07 Homag Maschinenbau Ag Einrichtung zur Durchführung von Bearbeitungsvorgängen an plattenförmigen Werkstücken
DE19517808A1 (de) * 1995-05-15 1996-11-21 Homag Maschinenbau Ag Bearbeitungszentrum mit einer Spindeleinheit zur Aufnahme von Bearbeitungswerkzeugen und Bearbeitungsaggregaten für Holz- und Kunststoff-Werkstoffe
DE10305022A1 (de) * 2003-02-07 2004-08-19 Schulte-Göbel, Christof Kantenanleimvorrichtung

Also Published As

Publication number Publication date
ES2303290T3 (es) 2008-08-01
DE502006000582D1 (de) 2008-05-21
DE102005018885B3 (de) 2007-01-04
PL1714756T3 (pl) 2008-09-30
EP1714756A1 (de) 2006-10-25

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