EP2117788B1 - Method for processing a side edge of a panel - Google Patents
Method for processing a side edge of a panel Download PDFInfo
- Publication number
- EP2117788B1 EP2117788B1 EP08864900A EP08864900A EP2117788B1 EP 2117788 B1 EP2117788 B1 EP 2117788B1 EP 08864900 A EP08864900 A EP 08864900A EP 08864900 A EP08864900 A EP 08864900A EP 2117788 B1 EP2117788 B1 EP 2117788B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- tool
- core
- locking
- side edge
- 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
Links
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
- B27F1/02—Making tongues or grooves, of indefinite length
- B27F1/04—Making tongues or grooves, of indefinite length along only one edge of a board
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F5/00—Slotted or mortised work
- B27F5/02—Slotting or mortising machines tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
- B27F1/08—Making dovetails, tongues, or tenons, of definite limited length
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
- E04F2201/0138—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels perpendicular to the main plane
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/04—Other details of tongues or grooves
- E04F2201/041—Tongues or grooves with slits or cuts for expansion or flexibility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49616—Structural member making
- Y10T29/49623—Static structure, e.g., a building component
- Y10T29/49629—Panel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49995—Shaping one-piece blank by removing material
- Y10T29/49996—Successive distinct removal operations
Definitions
- the invention relates to a method for processing a side edge of a panel, in particular a floor panel with a core having at least two opposite side edges such a profiling corresponding to each other, that two identically formed panels by a substantially vertical joining movement in the horizontal and vertical directions with each other connectable and lockable, wherein the locking in the vertical direction by at least one horizontally movable, integrallysortedged from the core spring element is effected, which snaps in the joining movement behind a substantially horizontally extending locking edge and the spring element by means of at least one in Substantially vertical slot is exposed to the core, and at least one of the slots is not designed to be continuous over the full length of the side edge.
- Panels in which the locking takes place via a plastic insert for example, from EP 1 650 375 A1 known.
- This type of locking implemented in this type of panel is preferably provided on the transverse side of floor panels. But it can also be provided on the longitudinal side or both on the longitudinal side and on the transverse side.
- the spring element is made of plastic and is inserted in a horizontally extending groove on one of the side edges and beveled at its top. Similar to a door catcher, the spring element is pressed inwards by the bevel from the new panel to be inserted into the groove when this occurs with its underside on the bevel and is lowered further.
- the spring element When the panel to be newly created is lowered completely onto the subfloor, the spring element snaps into a groove introduced horizontally in the opposite side edge and locks the two panels in the vertical direction.
- special injection molds are necessary, so that the production is relatively expensive.
- a high quality plastic must be used to provide sufficient strength values, which further increases the cost of the spring element. If plastics with too low strength values are used, this leads to relatively large dimensions of the spring elements, since this is the only way to ensure that corresponding forces can be generated or transmitted.
- the locking element is designed as a separate component, resulting in additional expenses.
- the production of the locking element is technologically conditioned spatially separated from the panels, so that an integration in the continuous manufacturing process, especially for floor panels, rather not possible. Due to the different materials, wood-based material on the one hand and plastic on the other hand, the alignment of manufacturing tolerances from two separate manufacturing processes is complex and cost-intensive. Since the lock would be ineffective in the vertical direction in the absence of locking element, this must also be secured against falling out of the introduced into the side edge groove in the further manufacturing process and during transport. This backup is expensive. Alternatively, the locking element could be made available to the consumer separately.
- the floor panels in question are moved by do-it-yourselfers, so that in principle there is the possibility due to lack of experience that the required number of locking elements initially misjudged will not be procured in sufficient quantity to fully interpret a room.
- the handyman commits errors when inserting the spring element, which means that the locking is not exactly possible and the composite dissolves over time, which is then wrongly attributed by the consumer to the quality supplied by the manufacturer.
- A1 panels which are profiled on opposite side edges so that form hook-shaped connecting elements for locking in the horizontal direction.
- For locking in the vertical direction are provided on the connecting elements from each other horizontally and vertically spaced form-fitting elements and corresponding undercuts each having a horizontally aligned locking surface.
- the transverse extent of such horizontally aligned locking surfaces is about 0.05 to 1.0 mm. So that the joining of two panels remains possible at all, the dimensioning must be so small. As a result, however, inevitably arises that only small, vertically directed forces can be absorbed, so that must be made with extremely low tolerances to ensure that does not jump on light bumps and / or soft surfaces, the compound under normal load.
- the spring element is integrally formed out of the core.
- milling cuts which are not continuous, but interrupted. If this is achieved by milling, the panel must not be moved during the milling process, otherwise continuous cuts would be produced at the existing high throughput speeds. A milling process would thus be with the braking of the panel to a standstill, immersion and Process of the milling unit and the subsequent acceleration of the finished panel for further transport very slowly.
- One way to make appropriate milling with tools is to mount the tools on a track that moves the tools in the feed direction (transport direction) of the panels.
- the time in which the fräsungen be prepared significantly increased, whereby even commercial motor spindles can perform corresponding movements of the tools to perform the named milling.
- a method for introducing a locking groove by means of a milling tool is known, the drive, a milling head and a rotation transmitting transfer device and a holder for the milling head includes. Due to the holder, the milling head on the support side has a free radius, whereby it is possible that it is completely in the surrounding on both sides of groove flanks part of the connecting groove during insertion of the locking groove.
- the at least one non-continuous slot of at least one guided preferably on a circular path tool is generated such that the panel is conveyed in a transport direction under the tool, the tool dips by means of a pivoting movement in the core of the panel and in opposite direction is lifted out before the panel is completely conveyed under the tool.
- This design makes it possible to resiliently perform the previously rigid vertical latch and to create geometries that do not extend the full length of a panel. Due to the pivoting movement of the tool, the necessary space requirement is very small, so that a conventional double-end tenoner can be used, at the end of which an additional processing station for the production of the at least one non-continuous slot is flanged.
- At least one substantially horizontal slit may be additionally provided in addition.
- a plurality of discontinuous slots are produced by providing a plurality of mutually spaced tools in the transport direction of the panel, which simultaneously dive into the core of the panel.
- a device for carrying out the method is characterized in that at least one milling tool, a laser tool, a water or sand blasting device or a plasma torch is attached to a pivotally mounted carrier which is actuated via a servomotor or a telescopic cylinder.
- a servomotor or a telescopic cylinder In order to be able to produce a plurality of slots at the same time, it is particularly advantageous if, with reference to the transport direction of the panel, several tools are arranged one behind the other on the carrier. It is also conceivable that the slots are punched.
- each tool in addition to the at least one tool and its drive, which consists of a motor and a transmission, arranged on the support.
- Each tool can be powered by a separate motor. But it can also be provided a motor for driving a plurality of tools.
- the panels 1, 2 are identical. They consist of a core 17 of wood-based material or a wood-plastic mixture. At their opposite side edges I, II, the panels 1, 2 are profiled, wherein the side edge I was machined by the top 18 and the side edge II from the bottom 19. On the side edge II, the spring element 3 is formed, which was produced by free milling of the core 17 by a horizontal slot 11 and a substantially vertically extending slot 10 were milled.
- the side edges I, II have the length L. In the longitudinal direction of the side edge II, the spring element 3 is connected at its ends 3a, 3b with the core material. The exposure of the spring element 3 from the core 17 is done exclusively through the slots 10, 11.
- the outer edge 3c of the spring element 3 is inclined relative to the top 18 of the panel 2 at an angle ⁇ .
- the vertical surfaces of the side edges I, II are processed so that in the region of the top 18 contact surfaces 15, 16 form.
- the panel 1 is provided with a locking nose 22 extending substantially in the horizontal direction H, the lower side wall of which forms a substantially horizontally extending locking edge 4.
- the locking lug 22 protrudes laterally beyond the contact surface 16 of the panel 1.
- a groove 9 is formed, which receives a portion of the spring element 3 for locking two panels 1, 2 in the vertical direction V.
- the groove bottom 9a of the groove 9 extends parallel to the outer edge 3c of the spring element 3, which facilitates the production of the groove 9, but it could also be strictly in the vertical direction V or at an angle deviating from the angle ⁇ .
- the locking lug 22 is short.
- a dust bag 23 made of the material of the core 17 is machined on the side edge I of the panel 1.
- the core 17 facing surface 24 of the hook member 21 extends inclined relative to the vertical and forms together with the corresponding inclined, the core 17 facing surface 25 on the shoulder a
- the profiling of the hook elements 20, 21 is selected so that a bias voltage is generated in the joint and the vertical contact surfaces 15, 16 of the panels 1, 2 are pressed against each other, so that at the top 18 of two interconnected panels 1, 2 no visible gap arises.
- the upwardly projecting shoulder 6 of the hook element 20 and the downwardly projecting shoulder 5 of the hook element 21 are chamfered or rounded at their edges.
- either the horizontally extending slot 11 (FIG. FIGS. 2, 4 ) or the substantially vertically extending slot 10 (FIG. FIGS. 6 . 8th ) be continuous, so over the full length L of the side edge II rich.
- the panel 2 is connected to the already lying on the subfloor panel 1, in which the panel 2 is applied to the side edge I of the panel 1 and lowered by a substantially vertical joint connection in the direction of the subfloor.
- the spring element 3 abuts with its lower edge 3d on the upper side 18 of the panel 1; it is pressed in the further joining movement due to its running at an angle ⁇ outer side edge 3c in contact with the contact surface 16 in the direction of the core 17 so that it evades in the horizontal direction H.
- the panel 2 is lowered further down. If the spring element 3 in a position relative to the groove 9, it is rebounded as a result of the material inherent restoring forces and then snaps into the groove 9, where it rests with its substantially horizontal, extending top 3e on the locking edge 4.
- the hook elements 20, 21 engage until the head surface 12 is supported on the bearing surface 13.
- the panels 1, 2 are then connected and locked together.
- the inner wall 10a of the slot 10 serves as a limitation of the compression travel for the spring element 3, in order to prevent the connection of the spring element 3 at its ends 3a, 3b with the core 17 by an excessively plunging movement.
- the area, ie the height and the width, with which the ends 3a, 3b are connected to the core 17, determine the spring rate of the spring element 3.
- three spring elements 3 over the length L of the side edge II and at the opposite side edge I three locking lugs 22 are formed. It is also conceivable to make the spring elements 3 shorter and to provide five, six or even seven or more spring elements 3 and corresponding locking lugs 22.
- FIG. 2 shows that over the length L of the panel 3 vertical slots 10 are provided.
- FIG. 6 shows a panel with three horizontal slots 11th
- FIG. 9 shows an embodiment of the panels 1 ⁇ , 2 ⁇ , in which the spring element 3 is exposed only by one or more vertical slots 10 relative to the core 17.
- the spring element 3 'in this embodiment is provided on the lower lip forming hook element 20'.
- the lock itself is analogous to the embodiment described above.
- the lock is in all embodiments solvable by the panels 1, 1 ', 2, 2' relative to each other along the side edges I, II are shifted or by a not shown unlocking pin is inserted laterally into the joint.
- the panels 1, 2 are usually provided on their top 18 with a decor that can be imprinted directly on the top 18.
- the decoration is usually covered by a wear protection layer into which a patterning corresponding to the decor can be embossed.
- This type of locking described above is preferably provided on the transverse side of panels 1, 2, which on its longitudinal side by angling and Swiveling down to the subfloor can be joined together as in the DE 102 24 540 A1 is described. It is also conceivable, however, to form this profiling both on the longitudinal sides and on the transverse sides, so that the panels can be connected to each other and locked by a purely vertical joining movement on all side edges.
- the processing station which in the Figures 5 and 6 is shown schematically, consists of a known from the prior art Doppelendprofiler, as sold for example by the company Homag under the name "Powerline”, in addition to these flanged processing stations.
- the Doppelendprofiler 30 basically consists of two largely identical, but mirror-inverted profiling machines 36, one of the profiling machines 36 is firmly anchored to the ground and the other is arranged on slides that allow it to move in the y-direction.
- the profiling machines 36 in turn each consist of two parts.
- a chain conveyor 31, which has a chain with roller bearings chain links and a so-called top pressure.
- the top pressure consists essentially of a flexible belt and is spring-mounted.
- Both the chain conveyor 31 and the - not shown here - upper pressure of both profiling machines 36 are connected to each other by means of long shafts and driven by the same motors.
- Both machine parts of a profiling machine are mutually displaceable in the z-direction, wherein the chain conveyor located below 30 is firmly connected in the vertical direction with the ground.
- the upper pressure located above is lowered so far on the chain conveyor 31, that the spring-mounted belt comes into contact with the conveyor chain of the chain conveyor 31, whereby panels to be transported 1, 2 are pressed onto the conveyor chain and fixed there.
- the chain conveyor 31 is fixedly connected to a machine frame, which in addition to shafts for chip extraction and some electronic components also includes motor stand with each mounted on these milling motors. These motor stands allow the motors to be freely delivered in a defined range in the y- and z-direction and a rotation about the x-axis when the system is at a standstill. Through these adjustment options, it is possible to set the disc cutters flanged to the motors in such a way that the panels 2 conveyed past in the transport direction T can be machined.
- the motors, and thus the individual processing stations 32, 32a, 33, 33a, 34, 34a, 35, 35a are arranged opposite one another in a paired manner in relation to the transport direction T in pairs.
- the milling cutters not shown in detail here have such a structure that, by traversing all substantially four to five machining stations 32, 33, 34, 35; 32a, 33a, 34a, 35a can be made on each side edge I, II one half of a commercially available glueless connection profile.
- the profiling machines 36 In order to prevent inaccuracies or games in the storage of the chain links are transferred to the machined panels 2, which would make an exact milling of the profiles impossible, the profiling machines 36 have well-defined reference planes. In the case of these profiling machines, these reference planes are realized in the form of so-called supports which are firmly fixed to the chain conveyors 36 and have on their upper side a polished hard metal plate 37, which represents the reference plane. During the processing, the panels 2 to be profiled slide over this plate 37. To ensure that the panels 2 are not removed from these plates 37, they are pressed onto the hard metal plate 37 by so-called pressure shoes 38. The pressure shoes 38 are moved by pneumatic cylinders in the direction of the hard metal plate 37, which allows a free adjustability of the spring force to be used.
- This so-constructed, basically known Doppelendprofiler is supplemented by a further processing station 40, which is basically differs from the processing stations described above.
- the construction allows for controlled movement of the milling tools 41 during ongoing processing, thereby allowing the creation of non-continuous slots 10.
- the system of the processing station 40 is basically identical in principle on both sides of the machine, but the systems differ in that on one side of the machine, the milling tools 41 can be moved substantially in the z-direction dynamically and on the other side of the machine, the milling tools 41 substantially are dynamically movable in the y direction.
- milling tools 41 with a diameter of 30 to 50 mm are arranged one behind the other in the transporting direction T.
- the number of milling tools 41 per processing station 40 corresponds to the contours to be produced.
- two to four milling tools 41 are used.
- These milling tools 41 are flanged to a transfer case 42 that is driven by a motor 43.
- the motor 43 may be fixedly connected to the transmission 42.
- the power transmission can also be done flexibly via a toothed belt or a flexible shaft.
- the gear 42 and the milling tools 41 and optionally also the motor 43 are fixed to one end of a pivotally mounted carrier 44.
- the carrier 44 is pivotally mounted via a hinge 45 between its end points similar to a rocker.
- a servomotor 46 is attached to a movement spindle 47 which can move the carrier 44 and thus attached to the other end milling tools 41 on a circular path (arrow P) to the joint 45.
- a servomotor 46 and a telescopic cylinder can be used.
- the servomotor 46 can also interact with a cam, a crank mechanism or a system with a similar mode of action.
- a system can be used that has only one milling tool 41 that is directly attached to the milling motor.
- Motor and milling tool 41 are fixedly connected to a highly dynamic linear motor (not shown), which together with a compensating spring element (not shown) allows very fast movements of motor and milling tool 41 in the z or y direction.
- a highly dynamic linear motor not shown
- a compensating spring element not shown
- the panels 2 are introduced into the double end tenoner 30.
- the respective panels 2 are moved over the chain conveyors 31 in the transporting direction T (x-direction). After a short conveyor line each panel 2 passes under the top pressure belt and is pressed by this firmly on the chain conveyor 31.
- this Upon further conveying the panel 2 in the transport direction T, this enters the first processing station 32. It runs first on the at each processing station 32, 33, 34, 35 existing support 37 and is pressed by the pressure shoe also present 38 on this.
- the processing in the individual stations 32, 33, 34, 35 is constructed so that the first milling tool 41 takes over the rough Vorzerspanung and breaking the hard decorative layer, the tool of the second station 33 and the last processing station 35, the actual holding profile in the Milling panels 2, that in this case is a hook profile with rigid locking surfaces for vertical locking.
- the tool of the third processing station 34 is essentially responsible for the production of a clean closing edge and / or for the production of a chamfer on the decorative side 18 of the panel 2. If the panel 2 has passed this processing station 34, it has a complete hook profile with a rigid vertical lock.
- a control signal is triggered via a sensor 48 (see Fig. 10) which activates the servomotor 46, whereby the carrier 44 pivots about the hinge 45 and the milling tools 41 from the bottom 19 of the panel 2 in the core 17 and immerse the slots 10.
- a number of slots 10 are generated, which corresponds to the number of milling tools 41 in the processing station 40.
- the carrier 44 is pivoted back and the milling tools 41 are pulled out of the core 17 of the panel 2, so that slots 10 are produced which are not over the full length L of the side edge (here the transverse side). pass.
- FIG. 2 is the inlet 10b and the outlet 10c of the milling tool 41 can be seen, with which the vertical slot 10 is milled.
- FIG. 6 the inlet 11 b and the outlet 11 c of the milling tool 41 can be seen, with which the horizontal slot 11 has been milled.
- the inlets 10b, 11b and the outlets 10c, 11c are arcuate, where the radius depends on the feed rate of the panel 2.
- Figures 10 . 12 show a panel 2, in which both three vertical slots 10 and three horizontal slots 11 with the corresponding inlets 10b, 11b and spouts 10c, 11c.
- the alternative processing system with only one milling tool 41 can also generate a non-continuous contour by means of corresponding movement of the linear motor. However, since only one milling tool 41 is used, this system has to perform a corresponding number of strokes to produce the same number of contours.
- control signals of the double-end profiler 30 and sensor data (for example, from rotary encoders) continue to be used for the light barriers used.
- the processing station 40 with the vertical slots 10 are generated. If the horizontal slots 11 are to be milled, the processing station 40 may be located at the same location.
- the carrier 44 is correspondingly rotated by 90 ° so that the milling tool 41 then dips on a circular path in the core 17 which is tangent to the top 18 of the panel 2 and not to the side edge.
- FIGs 11 and 12a, 12b a device is shown, with each of which a milling tool 41 a processing station 40 can be pivoted from an inactive position to the processing position.
- the motor 43 and the gear 42 are respectively fixed.
- An actuator 50 is fixed at its one end to a hinge 51 on the housing 49 of the processing station 40 and at its other end to a hinge 52 on the carrier 44.
- the carrier 44 and thus the milling tool 41 pivots about the shaft 53.
- the carrier 44 is attached via a bearing block 39 on the shaft 53.
- Figures 13 . 14 and 15 show principal alternatives to the actuator 50 to bring the milling tool 41 in its operating position.
- the carrier 44 to which the milling tool 41 is attached, can be moved via a rotationally driven cam 60 in a guide 62.
- the cam 60 pushes the carrier 44 in the direction of the panel 1.
- the restoring force is generated by the springs 61 (FIG. Figures 13 ).
- the carrier 44 is displaceable both in the transport direction T and in a vertical direction thereto, ie in the horizontal direction H or vertical direction V.
- the crank disk 70 By the rotational movement of the crank disk 70, the parallel to the transport direction T shift is initiated by means of the connecting rod 71.
- the carrier 44 passes through a cam 73, via which the movement is then introduced in a direction perpendicular to the transport direction T direction V or H.
- the carrier 44 then slides in the guide 72 in the direction of the panel 1, so that the milling tool 41 can be brought into contact with the panel 1.
- the carrier 44 is directly connected to the crank disk 80, so that via the crank disk 80, a movement in the transport direction T and a direction perpendicular thereto V or H is simultaneously initiated.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Milling, Drilling, And Turning Of Wood (AREA)
- Floor Finish (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Bearbeitung einer Seitenkante eines Paneels, insbesondere eines Fußbodenpaneels mit einen kern, das an mindestens zwei sich gegenüberliegenden Seitenkanten eine solche zueinander korrespondierende Profilierung aufweist, dass zwei identisch ausgebildete Paneele durch eine im Wesentlichen vertikale Fügebewegung in horizontaler und vertikaler Richtung miteinander verbindbar und verriegelbar sind, wobei die Verriegelung in vertikaler Richtung durch zumindest ein in horizontaler Richtung bewegbar, einstückig aus dem Kern herausgebildetes Federelement bewirkbar ist, das bei der Fügebewegung hinter einer sich im Wesentlichen in horizontaler Richtung erstreckende Verriegelungskante einschnappt und das Federelement mittels mindestens eines im Wesentlichen vertikalen Schlitzes gegenüber dem Kern freigelegt ist, und zumindest einer der Schlitze nicht über die volle Länge der Seitenkante durchgängig ausgestaltet ist.The invention relates to a method for processing a side edge of a panel, in particular a floor panel with a core having at least two opposite side edges such a profiling corresponding to each other, that two identically formed panels by a substantially vertical joining movement in the horizontal and vertical directions with each other connectable and lockable, wherein the locking in the vertical direction by at least one horizontally movable, integrally herausged from the core spring element is effected, which snaps in the joining movement behind a substantially horizontally extending locking edge and the spring element by means of at least one in Substantially vertical slot is exposed to the core, and at least one of the slots is not designed to be continuous over the full length of the side edge.
Ein solches Paneel ist in der deutschen Patentanmeldung
Paneele, bei denen die Verriegelung über einen Kunststoffeinsatz erfolgt, sind beispielsweise aus der
Dadurch, dass das Verriegelungselement als separates Bauteil ausgeführt ist, ergeben sich zusätzliche Aufwendungen. Die Herstellung des Verriegelungselementes erfolgt technologisch bedingt räumlich getrennt von den Paneelen, so dass eine Einbindung in den kontinuierlichen Herstellungsprozess, insbesondere für Fußbodenpaneele, eher nicht möglich ist. Durch die unterschiedlichen Materialien, Holzwerkstoff auf der einen Seite und Kunststoff auf der anderen Seite, ist die Angleichung von Fertigungstoleranzen aus zwei separaten Herstellungsprozessen aufwändig und kostenintensiv. Da die Verriegelung in vertikaler Richtung bei fehlendem Verriegelungselement unwirksam wäre, muss dieses zudem gegen Herausfallen aus der in die Seitenkante eingebrachten Nut im weiteren Herstellungsprozess und beim Transport gesichert werden. Auch diese Sicherung ist aufwändig. Alternativ dazu könnte das Verriegelungselement dem Verbraucher separat zur Verfügung gestellt werden.The fact that the locking element is designed as a separate component, resulting in additional expenses. The production of the locking element is technologically conditioned spatially separated from the panels, so that an integration in the continuous manufacturing process, especially for floor panels, rather not possible. Due to the different materials, wood-based material on the one hand and plastic on the other hand, the alignment of manufacturing tolerances from two separate manufacturing processes is complex and cost-intensive. Since the lock would be ineffective in the vertical direction in the absence of locking element, this must also be secured against falling out of the introduced into the side edge groove in the further manufacturing process and during transport. This backup is expensive. Alternatively, the locking element could be made available to the consumer separately.
Immer häufiger werden die in Rede stehenden Bodenpaneele von Heimwerkern verlegt, so dass grundsätzlich die Möglichkeit aufgrund fehlender Erfahrung besteht, dass die benötigte Anzahl der Verriegelungselemente zunächst falsch eingeschätzt wird und diese nicht in ausreichender Menge beschafft werden, um einen Raum vollständig auslegen zu können. Außerdem ist nicht auszuschließen, dass der Heimwerker beim Einsetzen des Federelementes Fehler begeht, was dazu führt, dass die Verriegelung nicht exakt möglich ist und sich der Verbund im Laufe der Zeit löst, was dann fälschlich vom Verbraucher der vom Hersteller gelieferten Qualität zugeschrieben wird.More and more frequently, the floor panels in question are moved by do-it-yourselfers, so that in principle there is the possibility due to lack of experience that the required number of locking elements initially misjudged will not be procured in sufficient quantity to fully interpret a room. In addition, it can not be ruled out that the handyman commits errors when inserting the spring element, which means that the locking is not exactly possible and the composite dissolves over time, which is then wrongly attributed by the consumer to the quality supplied by the manufacturer.
Aus der
Damit das Abgleichen der Toleranzen unterschiedlicher Bauteile entfällt und beim Endverbraucher außerdem sichergestellt ist, dass keine Bauteile fehlen, ist das Federelement einstückig aus dem Kern herausgebildet.Thus, the balancing of tolerances of different components is eliminated and the end user is also ensured that no components are missing, the spring element is integrally formed out of the core.
Um eine Verbindung des Federelements mit dem Kern zu ermöglichen und gleichzeitig ein Federn der Elemente realisieren zu können, ist es notwendig, Frässchnitte auszuführen, welche nicht durchgängig, sondern unterbrochen sind. Soll dies frästechnisch erreicht werden, darf das Paneel während des Fräsvorganges nicht bewegt werden, da sonst bei den vorhandenen hohen Durchlaufgeschwindigkeiten durchgehende Schnitte erzeugt werden würden. Ein Fräsvorgang wäre somit mit dem Abbremsen des Paneels auf den Stillstand, Eintauchen und Verfahren der Fräseinheit und dem anschließenden Beschleunigen des fertig bearbeiteten Paneels für den Weitertransport sehr langsam.In order to allow a connection of the spring element with the core and at the same time to realize a spring of the elements, it is necessary to perform milling cuts, which are not continuous, but interrupted. If this is achieved by milling, the panel must not be moved during the milling process, otherwise continuous cuts would be produced at the existing high throughput speeds. A milling process would thus be with the braking of the panel to a standstill, immersion and Process of the milling unit and the subsequent acceleration of the finished panel for further transport very slowly.
Eine Möglichkeit entsprechende Fräsungen mit Werkzeugen herzustellen, besteht darin, die Werkzeuge auf einer Verfahreinheit zu montieren, die die Werkzeuge in Vorschubrichtung (Transportrichtung) der Paneele verfährt. Somit wird die Zeit, in der die Einsatzfräsungen hergestellt werden, deutlich erhöht, wodurch auch handelsübliche Motorspindeln entsprechende Bewegungen der Werkzeuge ausführen können, um die benannten Fräsungen durchzuführen.One way to make appropriate milling with tools, is to mount the tools on a track that moves the tools in the feed direction (transport direction) of the panels. Thus, the time in which the Einsatzfräsungen be prepared, significantly increased, whereby even commercial motor spindles can perform corresponding movements of the tools to perform the named milling.
Nachteilig bei dieser Herstellungsvariante ist jedoch zum einen der antagetechnisch hohe Aufwand und zum anderen der große Platzbedarf, der aus der Verfahrbarkeit der Werkzeuge in Vorschubrichtung der Paneele resultiert. Dieser zusätzliche Platzbedarf ist jedoch für bereits bestehende Anlagen, in die eine weitere Bearbeitungsposition integriert werden soll, zu groß und somit nur für neu konzipierte Anlagen sinnvoll.The disadvantage of this manufacturing variant, however, is on the one hand, the high technical expenses and on the other hand, the large footprint, resulting from the mobility of the tools in the feed direction of the panels. However, this additional space requirement is too large for already existing systems, in which a further processing position is to be integrated, and thus makes sense only for newly designed systems.
Da derartige Ausformungen an einteiligen Paneelen mit herkömmlichen Fräsaggregaten nicht im Durchlauf hergestellt werden können, ist es notwendig, die zu bearbeitenden Paneele zu vereinzeln und ruhend zu bearbeiten. Dies ist sehr zeitaufwändig und somit auch sehr kostenintensiv.Since such formations on one-piece panels with conventional milling units can not be produced in a continuous process, it is necessary to separate the panels to be processed and to work at rest. This is very time consuming and therefore very costly.
Die Fertigung eines solchen Paneels ist insbesondere dann aufwändig, wenn eine Mehrzahl von Federelementen vorgesehen werden und auch hierzu eine entsprechende Anzahl von Verriegelungskanten in der Nut vorgesehen sein soll, weil dann an beiden Seitenkanten mitlaufende Werkzeuge vorgesehen sein müssen. In herkömmlichen Frässtationen ist hierfür teilweise kein Platz, sodass verschiedene Einspannungen auf verschiedenen Maschinen notwendig werden, was die Produktionszeit erhöht und entsprechend großzügige Toleranzen erfordert.The production of such a panel is particularly complicated if a plurality of spring elements are provided and for this purpose a corresponding number of locking edges should be provided in the groove, because then on both side edges associated tools must be provided. In conventional milling stations there is sometimes no space for this, so that different clamps on different machines become necessary, which increases the production time and requires correspondingly generous tolerances.
Aus der
Zur Problemlösung ist vorgesehen, dass der mindestens eine nicht durchgängige Schlitz von mindestens einem vorzugsweise auf einer Kreisbahn geführten Werkzeug derart erzeugt wird, dass das Paneel in einer Transportrichtung unter das Werkzeug gefördert wird, das Werkzeug mittels einer Schwenkbewegung in den Kern des Paneels eintaucht und in entgegengesetzter Richtung wieder herausgehoben wird, bevor das Paneel vollständig unter dem Werkzeug vorbeigefördert wird.To solve the problem, it is provided that the at least one non-continuous slot of at least one guided preferably on a circular path tool is generated such that the panel is conveyed in a transport direction under the tool, the tool dips by means of a pivoting movement in the core of the panel and in opposite direction is lifted out before the panel is completely conveyed under the tool.
Durch diese Ausbildung wird es möglich, die vormals starre vertikale Verriegelung federnd auszuführen und Geometrien zu erzeugen, die sich nicht über die gesamte Länge eines Paneels erstrecken. Durch die Schwenkbewegung des Werkzeugs ist der notwendige Platzbedarf sehr gering, so dass ein herkömmlicher Doppelendprofiler verwendet werden kann, an dessen Ende eine zusätzliche Bearbeitungsstation für die Herstellung des mindestens einen nicht durchgängigen Schlitzes angeflanscht wird.This design makes it possible to resiliently perform the previously rigid vertical latch and to create geometries that do not extend the full length of a panel. Due to the pivoting movement of the tool, the necessary space requirement is very small, so that a conventional double-end tenoner can be used, at the end of which an additional processing station for the production of the at least one non-continuous slot is flanged.
Zur Freilegung des Federelements gegenüber dem Kern kann vorzugsweise zusätzlich mindestens ein im Wesentlichen horizontaler Schlitz vorgesehen werden.To expose the spring element with respect to the core, at least one substantially horizontal slit may be additionally provided in addition.
Vorzugsweise werden mehrere nicht durchgängige Schlitze dadurch erzeugt, dass in Transportrichtung des Paneels eine Mehrzahl zueinander beabstandeter Werkzeuge vorgesehen ist, die gleichzeitig in den Kern des Paneels eintauchen.Preferably, a plurality of discontinuous slots are produced by providing a plurality of mutually spaced tools in the transport direction of the panel, which simultaneously dive into the core of the panel.
Eine Vorrichtung zur Durchführung des Verfahrens zeichnet sich dadurch aus, dass mindestens ein Fräswerkzeug, ein Laserwerkzeug, eine Wasser- oder Sandstrahlvorrichtung oder ein Plasmabrenner an einem schwenkbar gelagerten Träger befestigt ist, der über einen Stellmotor oder einen Teleskopzylinder betätigbar ist. Um mehrere Schlitze gleichzeitig herstellen zu können, ist es insbesondere vorteilhaft, wenn bezogen auf die Transportrichtung des Paneels mehrere Werkzeuge hintereinander an dem Träger angeordnet sind. Es ist auch vorstellbar, dass die Schlitze gestanzt werden.A device for carrying out the method is characterized in that at least one milling tool, a laser tool, a water or sand blasting device or a plasma torch is attached to a pivotally mounted carrier which is actuated via a servomotor or a telescopic cylinder. In order to be able to produce a plurality of slots at the same time, it is particularly advantageous if, with reference to the transport direction of the panel, several tools are arranged one behind the other on the carrier. It is also conceivable that the slots are punched.
Um den Platzbedarf möglichst niedrig zu halten, ist vorzugsweise neben dem mindestens einen Werkzeug auch dessen Antrieb, der aus einem Motor und einem Getriebe besteht, auf dem Träger angeordnet. Jedes Werkzeug kann durch einen separaten Motor angetrieben werden. Es kann aber auch ein Motor für den Antrieb mehrerer Werkzeuge vorgesehen sein.In order to keep the space required as low as possible, in addition to the at least one tool and its drive, which consists of a motor and a transmission, arranged on the support. Each tool can be powered by a separate motor. But it can also be provided a motor for driving a plurality of tools.
Mit Hilfe einer Zeichnung soll ein Ausführungsbeispiel des erfindungsgemäßen Verfahrens nachfolgend näher beschrieben werden.With the help of a drawing, an embodiment of the method according to the invention will be described in more detail below.
Es zeigt:
Figur 1- die Draufsicht auf die Seitenkante I eines Paneels;
Figur 2- die Draufsicht auf die gegenüberliegende Seitenkante II desselben Paneels;
Figur 3- die Ansicht gemäß Sichtpfeil III nach
;Figur 1 Figur 4- die Ansicht des Paneels gemäß Sichtpfeil IV nach
;Figur 2 - .Figur 5
- die Draufsicht auf eine schematisch dargestellte Profilieranlage;
Figur 6- den Schnitt entlang der Linie VI - VI nach
Figur 5 ; - Figur 7
- die Unteransicht eines gefrästen Paneels;
Figur 8- die Darstellung zweier miteinander verbundener Paneele einer ersten Ausführungsform im Schnitt-an der Verbindungsstelle;
- Figur 9
- die Darstellung zweier miteinander verbundener Paneele einer zweiten Ausführungsform im Schnitt an der Verbindungsstelle;
Figur 10- die schematische Draufsicht auf einen Doppelendprofiler;
Figur 11- die schematisch Draufsicht auf eine Bearbeitungsstation;
- Figur 12a
- den Schnitt entlang der Linie XII -
XII nach Figur 11 in angehobe- ner Position des Werkzeuges; - Figur 12b
- den Schnitt entlang der Linie XII -
XII nach Figur 11 in abgesenk- ter Position des Werkzeuges; - Figur 13a
- eine Prinzipskizze für eine alternative Einrichtung zum Bewegen eines Bearbeitungswerkzeuges in funktionsloser Stellung;
- Figur 13b
- eine Prinzipskizze für eine alternative Einrichtung zum Bewegen eines Bearbeitungswerkzeuges in Funktionsstellung;
- Figur 14a
- eine Prinzipskizze für eine alternative Einrichtung zum Bewegen eines Bearbeitungswerkzeuges in funktionsloser Stellung;
- Figur 14b
- eine Prinzipskizze für eine alternative Einrichtung zum Bewegen eines Bearbeitungswerkzeuges in Funktionsstellung;
- Figur 15a
- eine Prinzipskizze für eine alternative Einrichtung zum Bewegen eines Bearbeitungswerkzeuges in funktionsloser Stellung;
- Figur 15b
- eine Prinzipskizze für eine alternative Einrichtung zum Bewegen eines Bearbeitungswerkzeuges in Funktionsstellung.
- FIG. 1
- the top view of the side edge I of a panel;
- FIG. 2
- the top view of the opposite side edge II of the same panel;
- FIG. 3
- the view according to arrow III after
FIG. 1 ; - FIG. 4
- the view of the panel according to arrow IV after
FIG. 2 ; - Figure 5
- the top view of a schematically illustrated Profilieranlage;
- FIG. 6
- the section along the line VI - VI after
FIG. 5 ; - FIG. 7
- the bottom view of a milled panel;
- FIG. 8
- the representation of two interconnected panels of a first embodiment in section-at the junction;
- FIG. 9
- the representation of two interconnected panels of a second embodiment in section at the junction;
- FIG. 10
- the schematic plan view of a Doppelendprofiler;
- FIG. 11
- the schematic plan view of a processing station;
- FIG. 12a
- the section along the line XII - XII after
FIG. 11 in the raised position of the tool; - FIG. 12b
- the section along the line XII - XII after
FIG. 11 in the lowered position of the tool; - FIG. 13a
- a schematic diagram of an alternative means for moving a machining tool in an inoperative position;
- FIG. 13b
- a schematic diagram of an alternative means for moving a machining tool in working position;
- Figure 14a
- a schematic diagram of an alternative means for moving a machining tool in an inoperative position;
- FIG. 14b
- a schematic diagram of an alternative means for moving a machining tool in working position;
- FIG. 15a
- a schematic diagram of an alternative means for moving a machining tool in an inoperative position;
- FIG. 15b
- a schematic diagram of an alternative means for moving a machining tool in functional position.
Die Paneele 1, 2 sind identisch ausgebildet. Sie bestehen aus einem Kern 17 aus Holzwerkstoff oder einem Holzwerkstoff-Kunststoff-Gemisch. An ihren sich gegenüber liegenden Seitenkanten I, II, sind die Paneele 1, 2 profiliert, wobei die Seitenkante I von der Oberseite 18 und die Seitenkante II von der Unterseite 19 fräsend bearbeitet wurde. An der Seitenkante II ist das Federelement 3 ausgebildet, das durch Freifräsen des Kerns 17 erzeugt wurde, indem ein horizontaler Schlitz 11 und ein im Wesentlichen vertikal verlaufender Schlitz 10 eingefräst wurden. Die Seitenkanten I, II haben die Länge L. In Längsrichtung der Seitenkante II ist das Federelement 3 an seinen Enden 3a, 3b mit dem Kernmaterial verbunden. Die Freilegung des Federelementes 3 vom Kern 17 erfolgt ausschließlich durch die Schlitze 10, 11. Die äußere Kante 3c des Federelementes 3 ist gegenüber der Oberseite 18 des Paneels 2 im Winkel α geneigt. Die vertikalen Flächen der Seitenkanten I, II sind so bearbeitet, dass sich im Bereich der Oberseite 18 Anlageflächen 15, 16 ausbilden.The
An der dem Federelement 3 gegenüberliegenden Seitenkante I ist das Paneel 1 mit einer sich im Wesentlichen in horizontaler Richtung H erstreckenden Verriegelungsnase 22 versehen, deren untere Seitenwandung- eine im Wesentlichen horizontal verlaufende Verriegelungskante 4 ausbildet. Die Verriegelungsnase 22 ragt seitlich über die Anlagefläche 16 des Paneels 1 hervor. Unterhalb der Verriegelungsnase 22 ist eine Nut 9 ausgebildet, die einen Teil des Federelementes 3 zur Verriegelung zweier Paneele 1, 2 in vertikaler Richtung V aufnimmt. Wie in
Die Verriegelung der beiden Paneele 1, 2 in horizontaler Richtung H erfolgt über die durch eine Stufenprofilierung fräsend erzeugten Hakenelemente 20, 21 und in vertikaler Richtung V über das Federelement 3 in Verbindung mit der Verriegelungskante 4 an der Verriegelungsnase 22. Am sich nach unten erstreckenden Absatz 5 des Hakenelementes 21 ist eine zumindest teilweise plane Kopffläche 12 ausgebildet, die zusammenwirkt mit einer am Hakenelement 20 an der gegenüberliegenden Seitenkante I ausgebildeten Auflagefläche 13, die hinter dem Vorsprung 6 zurückragt. Die Kopffläche 12 und die Auflagefläche 13 enden in derselben horizontalen Ebene E, so dass sich die miteinander verbundenen Paneele 1, 2 aufeinander abstützen. Die dem Kern 17 zugewandte Fläche 24 des Hakenelementes 21 verläuft gegenüber der Vertikalen geneigt und bildet zusammen mit der entsprechend geneigten, dem Kern 17 zugewandten Fläche 25 am Absatz eine Verriegelungskante zweier verbundender Paneele 1, 2. Die Profilierung der Hakenelemente 20, 21 ist so gewählt, dass in der Verbindungsstelle eine Vorspannung erzeugt wird und die vertikalen Anlageflächen 15, 16 der Paneele 1, 2 aufeinander zugepresst werden, so dass an der Oberseite 18 zweier miteinander verbundener Paneele 1, 2 kein sichtbarer Spalt entsteht. Um das Fügen der Paneele 1, 2 zu erleichtern, sind der nach oben ragende Absatz 6 des Hakenelementes 20 und der nach unten ragende Absatz 5 des Hakenelementes 21 an ihren Kanten gefast bzw. verrundet. Um die Fertigung zur Ausbildung des Federelementes 3 zu vereinfachen, können entweder der horizontal verlaufende Schlitz 11 (
Das Paneel 2 wird mit dem bereits auf dem Unterboden liegenden Paneel 1 verbunden, in dem das Paneel 2 an der Seitenkante I des Paneels 1 angelegt und durch eine im Wesentlichen vertikale Fügeverbindung in Richtung des Unterbodens abgesenkt wird. Wenn das Federelement 3 mit seiner unteren Kante 3d an der Oberseite 18 des Paneels 1 anstößt; wird es bei der weiteren Fügebewegung infolge seiner im Winkel α verlaufenden äußeren Seitenkante 3c bei Berührung mit der Anlagefläche 16 in Richtung des Kerns 17 gedrückt, so dass es in horizontaler Richtung H ausweicht. Das Paneel 2 wird weiter nach unten abgesenkt. Gelangt das Federelement 3 in eine Lage gegenüber der Nut 9 wird es infolge der dem Material inhärenten Rückstellkräfte ausgefedert und schnappt dann in die Nut 9 ein, wo es mit seiner im Wesentlichen horizontal, verlaufenden Oberseite 3e an der Verriegelungskante 4 anliegt. Gleichzeitig gelangen die Hakenelemente 20, 21 in Eingriff, bis die Kopffläche 12 sich auf der Auflagefläche 13 abstützt. Die Paneele 1, 2 sind dann miteinander verbunden und verriegelt. Die innere Wandung 10a des Schlitzes 10 dient als Begrenzung des Einfederweges für das Federelement 3, um zu verhindern, dass durch eine zu weite Eintauchbewegung die Verbindung des Federelementes 3 an seinen Enden 3a, 3b mit dem Kern 17 ausreißt. Die Fläche, also die Höhe und die Breite, mit der die Enden 3a, 3b mit dem Kern 17 verbunden sind, bestimmen die Federrate des Federelementes 3. Wie
Wenn der vertikale Schlitz 10 schmal genug ausgebildet ist, ist es möglich, das Federelement 3 nur an einem seiner Enden 3a oder 3b mit dem Kern 17 verbunden zu halten. Eine solche Ausgestaltung hat den Vorteil, dass sich das Federelement 3 auch in Richtung der Länge L der Seitenkante II ausdehnen kann. Das dann freie Ende 3a oder 3b stützt sich dann an der inneren Wandung 10a des Schlitzes 10 ab.
Die Verriegelung ist bei allen Ausführungsbeispielen lösbar, indem die Paneele 1, 1', 2, 2' relativ zueinander entlang der Seitenkanten I, II verschoben werden oder indem ein nicht gezeigter Entriegelungsstift seitlich in die Verbindungsstelle eingeführt wird.The lock is in all embodiments solvable by the
Die Paneele 1, 2 sind an ihrer Oberseite 18 üblicherweise mit einem Dekor versehen, das unmittelbar auf die Oberseite 18 aufgedruckt sein kann. Das Dekor wird üblicherweise durch eine Verschleißschutzschicht abgedeckt, in die eine zu dem Dekor korrespondierende Strukturierung eingeprägt sein kann.The
Diese vorstehend beschrieben Art der Verriegelung wird bevorzugt an der Querseite von Paneelen 1, 2 vorgesehen, die an Ihrer Längsseite durch Einwinkeln und Herabschwenken auf den Unterboden miteinander verbunden werden können, wie dies in der
Die Bearbeitungsstation, die in den
Der Doppelendprofiler 30 besteht grundsätzlich aus zwei weitgehend identischen, aber spiegelverkehrt aufgebauten Profilierungsmaschinen 36, wobei eine der Profilierungsmaschinen 36 fest mit dem Untergrund verankert ist und die andere auf Gleitschienen angeordnet ist, die ihr eine Bewegung in y-Richtung ermöglichen.The
Die Profilierungsmaschinen 36 wiederum bestehen jeweils aus zwei Teilen. Einem Kettenförderer 31, der eine Kette mit rollengelagerten Kettengliedern und einen so genannten Oberdruck aufweist. Der Oberdruck besteht im Wesentlichen aus einem biegsamen Riemen und ist federnd gelagert. Sowohl der Kettenförderer 31 als auch der - hier nicht dargestellte - Oberdruck beider Profilierungsmaschinen 36 werden mit Hilfe langer Wellen miteinander verbunden und durch dieselben Motoren angetrieben. Beide Maschinenteile einer Profilierungsmaschine sind in z-Richtung gegeneinander verschiebbar, wobei der unten befindliche Kettenförderer 30 in vertikaler Richtung fest mit dem Untergrund verbunden ist. üblicherweise wird der oben befindliche Oberdruck soweit auf dem Kettenförderer 31 abgesenkt, dass der federnd gelagerte Riemen in Kontakt mit der Förderkette des Kettenförderers 31 gelangt, wodurch zu transportierende Paneele 1, 2 auf die Förderkette gepresst und dort fixiert werden.The
Der Kettenförderer 31 ist fest mit einem Maschinengestell verbunden, dass neben Schächten für Spanabsaugung und einigen elektronischen Bauteilen auch Motorständer mit jeweils auf diesen befestigten Fräsmotoren enthält. Diese Motorständer ermöglichen einen freie Zustellung der Motore in einem festgelegten Bereich in y- und z-Richtung und eine Drehung um die x-Achse beim Stillstand der Anlage. Durch diese Verstellmöglichkeiten ist es möglich, die an die Motoren angeflanschten Scheibenfräser so einzustellen, dass die in Transportrichtung T vorbeigeförderten Paneele 2 spanend bearbeitet werden können. Die Motore, und damit die einzelnen Bearbeitungsstationen 32, 32a, 33, 33a, 34, 34a, 35, 35a sind bezogen auf die Transportrichtung T paarweise gegenüberliegend in einer Flucht hintereinander angeordnet. Die hier nicht im Detail dargstellten Fräser haben eine solche Struktur, dass durch das Abfahren aller im Wesentlichen vier bis fünf Bearbeitungsstationen 32, 33, 34, 35; 32a, 33a, 34a, 35a an jeder Seitenkante I, II eine Hälfe eines handelüblichen leimlosen Verbindungsprofils hergestellt werden kann.The
Um zu verhindern, dass Ungenauigkeiten bzw. Spiele in der Lagerung der Kettenglieder auf die zu bearbeiteten Paneele 2 übertragen werden, was ein exakten Fräsen der Profile unmöglich machen würde, verfügen die Profilierungsmaschinen 36 über genau definierte Bezugsebenen. Diese Bezugsebenen werden im Falle dieser Profilierungsmaschinen in Form von so genannten Auflagen realisiert, die fest an den Kettenförderern 36 fixiert und weisen an ihrer Oberseite eine polierte Hartmetallplatte 37 auf, die die Bezugsebene darstellt. Über diese Platte 37 gleiten während der Bearbeitung die zu profilierenden Paneele 2. Um sicher zu stellen, dass es nicht zu einer Entfernung der Paneele 2 von diesen Platten 37 kommt, werden diese durch so genannte Druckschuhe 38 auf die Hartmetallplatte 37 gepresst. Die Druckschuhe 38 werden durch Pneumatikzylinder in Richtung der Hartmetallplatte 37 bewegt, was eine freie Einstellbarkeit der zu verwendenden Federkraft ermöglicht.In order to prevent inaccuracies or games in the storage of the chain links are transferred to the machined
Dieser so aufgebaute, grundsätzlich bekannte Doppelendprofiler wird durch eine weitere Bearbeitungsstation 40 ergänzt, die sich grundsätzlich von den vorstehend beschriebenen Bearbeitungsstationen unterscheidet. Bei der Bearbeitungsstation 40 lässt die Konstruktion eine gesteuerte Bewegung der Fräswerkzeuge 41, während der laufenden Bearbeitung zu, wodurch die Erzeugung nicht durchgängiger Schlitze 10 möglich ist. Das System der Bearbeitungsstation 40 ist grundsätzlich im Prinzip auf beiden Maschinenseiten identisch, wobei sich die Anlagen jedoch darin unterscheiden, dass auf der einen Maschinenseite die Fräswerkzeuge 41 im Wesentlichen in z-Richtung dynamisch bewegt werden können und auf der anderen Maschinenseite die Fräswerkzeuge 41 im Wesentlichen in y-Richtung dynamisch bewegbar sind.This so-constructed, basically known Doppelendprofiler is supplemented by a
Mehrere kleinere Fräswerkzeuge 41 mit einem Durchmesser von 30 bis 50 mm sind in Transportrichtung T hintereinander angeordnet. Die Anzahl der Fräswerkzeuge 41 je Bearbeitungsstation 40 entspricht der der herzustellenden Konturen. Üblicherweise werden zwei bis vier Fräswerkzeuge 41 verwendet. Diese Fräswerkzeuge 41 sind an ein Verteilergetriebe 42 angeflanscht, dass von einem Motor 43 angetrieben wird. Der Motor 43 kann fest mit dem Getriebe 42 verbunden sein. Die Kraftübertragung kann aber auch flexibel über einen Zahnriemen oder eine biegsame Welle erfolgen. Das Getriebe 42 und die Fräswerkzeuge 41 und gegebenenfalls auch der Motor 43 sind an einem Ende eines schwenkbar gelagerten Trägers 44 befestigt. Der Träger 44 ist ähnlich einer Wippe über ein Gelenk 45 zwischen seinen Endpunkten schwenkbar gelagert. An dem den Fräswerkzeugen 41 gegenüberliegenden Ende des Trägers 44 ist ein Stellmotor 46 mit einer Bewegungsspindel 47 befestigt, der den Träger 44 und damit die am anderen Ende befestigten Fräswerkzeuge 41 auf einer Kreisbahn (Pfeil P) um das Gelenk 45 bewegen kann. Anstelle eines Stellmotors 46 kann auch ein Teleskopzylinder zum Einsatz kommen. Anstelle mit einer Bewegungsspindel 47 kann der Stellmotor 46 auch mit einer Kurvenscheibe, einem Kurbeltrieb oder einem System mit ähnlicher Wirkungsweise zusammenwirken.Several
Alternativ kann ein System zum Einsatz kommen, dass nur über ein Fräswerkzeug 41 verfügt, dass am Fräsmotor unmittelbar befestigt ist. Motor und Fräswerkzeug 41 sind fest mit einem hoch dynamischen Linearmotor verbunden (nicht gezeigt), der zusammen mit einem ausgleichenden Federelement (nicht gezeigt) sehr schnelle Bewegungen von Motor und Fräswerkzeug 41 in z- oder in y-Richtung ermöglicht. Mit einem solchen System sind Taktzeiten von etwa 100 bis 200 Paneele 2 pro Minute möglich, weil es eine höhere Dynamik besitzt als das zuvor beschriebene System, mit dem 50 bis 100 Paneele 2 pro Minute gefräst werden können.Alternatively, a system can be used that has only one
Die Paneele 2 werden in den Doppelendprofiler 30 eingeschleust. Dabei erfolgt die Vereinzelung der in ein Magazin eingebrachten Paneele 2 durch die Bewegung der Kettenförderer 31, wobei auf einzelnen Kettengliedern aufgebrachte Nocken (nicht gezeigt) jeweils ein Paneel 2 aus dem Magazin ziehen. Die jeweiligen Paneele 2 werden über die Kettenförderer 31 in Transportrichtung T (x-Richtung) bewegt. Nach einer kurzen Förderstrecke gelangt jedes Paneel 2 unter den Oberdruckriemen und wird von diesem fest auf die Kettenförderer 31 gepresst. Bei weiterem Fördern des Paneels 2 in Transportrichtung T tritt dieses in die erste Bearbeitungsstation 32 ein. Dabei läuft es zunächst auf die an jeder Bearbeitungsstation 32, 33, 34, 35 vorhandene Auflage 37 und wird von dem ebenfalls vorhandenen Druckschuh 38 auf diese gepresst. Bei Erreichen von etwa der Mitte der Auflage 37 greift der von einem Motor in Rotation versetzte Fräser in das Paneel 2 und beginnt mit der spanenden Bearbeitung. Die Bearbeitung in den einzelnen Stationen 32, 33, 34, 35 ist so aufgebaut, dass das erste Fräswerkzeug 41 die grobe Vorzerspanung und das Brechen der harten Dekorschicht übernimmt, das Werkzeug der zweiten Station 33 und das der letzten Bearbeitungsstation 35 das eigentliche Halteprofil in die Paneele 2 einfräsen, dass in diesem Fall ein Hakenprofil mit starren Verriegelungsflächen zu vertikaler Verriegelung ist.The
Das Werkzeug der dritten Bearbeitungsstation 34 ist im Wesentlichen für die Herstellung einer sauberen Schließkante und/oder für die Herstellung einer Fase an der Dekorseite 18 des Paneels 2 zuständig. Hat das Paneel 2 diese Bearbeitungsstation 34 passiert, verfügt es über ein vollständiges Hakenprofil mit starrer vertikaler Verriegelung.The tool of the
Läuft das Paneel 2 in die zusätzlich an den Doppelendprofiler 30 angeflanschte Bearbeitungsstation 40 ein, wird über einen Sensor 48 (vgl. Figur 10) ein Steuersignal ausgelöst, das den Stellmotor 46 aktiviert, wodurch der Träger 44 um das Gelenk 45 verschwenkt und die Fräswerkzeuge 41 von der Unterseite 19 des Paneels 2 in den Kern 17 eintauchen und die Schlitze 10 einfräsen. Zeitgleich wird eine Anzahl von Schlitzen 10 erzeugt, die der Anzahl der Fräswerkzeuge 41 in der Bearbeitungsstation 40 entspricht. Bevor das Paneel 2 die Bearbeitungsstation 40 vollständig passiert hat, wird der Träger 44 zurückgeschwenkt und die Fräswerkzeuge 41 aus dem Kern 17 des Paneels 2 herausgezogen, so dass Schlitze 10 erzeugt werden, die nicht über die volle Länge L der Seitenkante (hier die Querseite) reichen.If the
Das Eintauchen der Fräswerkzeuge 41 erfolgt während das Paneel 2 transportiert wird. In
Das alternative Bearbeitungssystem mit nur einem Fräswerkzeug 41 kann mittels entsprechender Bewegung des Linearmotors ebenfalls eine nicht durchgehende Kontur erzeugen. Da jedoch lediglich ein Fräswerkzeug 41 verwendet wird, muss dieses System zur Erzeugung der gleichen Anzahl von Konturen entsprechend mehrere Zustellbewegungen durchführen.The alternative processing system with only one
Um bei beiden Varianten einen exakte Bewegungssteuerung zu ermöglichen, werden zu den verwendeten Lichtschranken weiterhin Daten, wie Steuerungssignale des Doppelendprofilers 30 und Sensordaten (beispielsweise aus Drehgebern) verwendet.In order to enable exact control of the motion in both variants, data such as control signals of the double-
Beschrieben wurde die Bearbeitungsstation 40, mit der die vertikalen Schlitze 10 erzeugt werden. Sollen die horizontalen Schlitze 11 gefräst werden, kann die Bearbeitungsstation 40 an derselben Stelle angeordnet sein. Der Träger 44 wird entsprechend um 90° gedreht angeordnet, damit das Fräswerkzeug 41 dann auf einer Kreisbahn in den Kern 17 eintaucht, die tangential zur Oberseite 18 des Paneels 2 und nicht zur Seitenkante verläuft.Described was the
In
- 11
- Paneelpaneling
- 1'1'
- Paneelpaneling
- 22
- Paneelpaneling
- 2'2 '
- Paneelpaneling
- 33
- Federelementspring element
- 3'3 '
- Federelementspring element
- 3a3a
- EndeThe End
- 3b3b
- EndeThe End
- 3c3c
- äußere Kanteouter edge
- 3d3d
- untere Kantelower edge
- 3e3e
- Oberseitetop
- 44
- Verriegelungskantelocking edge
- 55
- Absatzparagraph
- 66
- Absatzparagraph
- 99
- Nutgroove
- 9a9a
- Nutgrundgroove base
- 1010
- Schlitzslot
- 10a10a
- innere Wandunginner wall
- 10b10b
- Einlaufenema
- 10c10c
- Auslaufoutlet
- 1111
- Schlitzslot
- 11b11b
- Einlaufenema
- 11c11c
- Auslaufoutlet
- 1212
- Kopfflächehead face
- 1313
- Auflageflächebearing surface
- 1414
- Staubtaschedust bag
- 1515
- vertikale Fläche/ Anlageflächevertical surface / contact surface
- 1616
- vertikale Fläche/ Anlageflächevertical surface / contact surface
- 1717
- Kerncore
- 1818
- Oberseitetop
- 1919
- Unterseitebottom
- 2020
- Hakenelementhook element
- 20'20 '
- Hakenelementhook element
- 2121
- Hakenelementhook element
- 2222
- Verriegelungselemente / VerriegelungsnaseLocking elements / locking nose
- 2323
- Staubtaschedust bag
- 2424
- Flächearea
- 3030
- DoppelendprofilerDouble end
- 3131
- Kettenfördererchain conveyors
- 3232
- Bearbeitungsstationprocessing station
- 32a32a
- Bearbeitungsstationprocessing station
- 3333
- Bearbeitungsstationprocessing station
- 33a33a
- Bearbeitungsstationprocessing station
- 3434
- Bearbeitungsstationprocessing station
- 34a34a
- Bearbeitungsstationprocessing station
- 3535
- Bearbeitungsstationprocessing station
- 35a35a
- Bearbeitungsstationprocessing station
- 3636
- Profilierungsmaschineprofiling machine
- 3737
- Auflage/HartmetallplattePad / hard metal plate
- 3838
- Druckschuhpressure shoe
- 3939
- Lagerlochbearing hole
- 4040
- Bearbeitungsstationprocessing station
- 4141
- Fräswerkzeugmilling tool
- 4242
- Getriebetransmission
- 4343
- Motorengine
- 4444
- Trägercarrier
- 4545
- Gelenkjoint
- 4646
- Stellmotorservomotor
- 4747
- Spindelspindle
- 4848
- Sensorsensor
- 4949
- Gehäusecasing
- 5050
- Aktuatoractuator
- 5151
- Gelenkjoint
- 5252
- Gelenkjoint
- 5353
- Wellewave
- 6060
- Nockencam
- 6161
- Federfeather
- 6262
- Führungguide
- 7070
- Kurbelscheibecrank
- 7171
- Pleuelpleuel
- 7272
- Führungguide
- 7373
- Nockencam
- 8080
- Kurbelscheibecrank
- 8181
- Pleuelpleuel
- Ee
- Ebenelevel
- E1 E 1
- Ebenelevel
- HH
- horizontale Richtunghorizontal direction
- LL
- Längelength
- PP
- Kreisbahnorbit
- TT
- transportrichtungtransport direction
- VV
- vertikale Richtungvertical direction
- II
- Seitenkanteside edge
- IIII
- Seitenkanteside edge
- αα
- Winkelangle
Claims (5)
- Method for machining a side edge of a panel, in particular a floor panel (1, 2), with a core (17), which, on at least two opposing side edges (I, II), has profiles corresponding with one another such that two identically configured panels (1, 2) can be connected to one another and locked by a substantially vertical joining movement in the horizontal (H) and vertical (V) direction, wherein the locking in the vertical direction (V) can be effected by at least one tongue element (3), which can be moved in the horizontal direction (H), is formed in one piece from the core (17) and, during the joining movement, snaps in behind a locking edge (4) extending substantially in the horizontal direction (H), and the tongue element (3) is exposed by at least one substantially vertical slot (10) with respect to the core (17), and at least one of the slots (10, 11) is not configured in a continuous manner over the full length (L) of the side edge (II), characterised in that the at least one non-continuous slot (10) is produced by at least one tool (41) in such a way that the panel (2) is conveyed in a transport direction (T) under the tool (41), the tool (41) dips by means of a pivoting movement into the core (17) of the panel (2) and is lifted out again in the opposite direction before the panel (2) has been completely conveyed past under the tool (41).
- Method according to claim 1, characterised in that the tool is guided on a circular path (P).
- Method according to claim 1 or 2, characterised in that the machining is carried out in a chip removing manner.
- Method according to claim 1, 2 or 3, characterised in that to produce a plurality of non-continuous slots (10) in the transport direction (T), a plurality of tools (41), which are spaced apart from one another, is provided, which tools simultaneously dip into the core (17) of the panel (2).
- Method according to any one of the preceding claims, characterised in that, in addition, at least one substantially horizontal slot (11) is provided to expose the tongue element (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL08864900T PL2117788T3 (en) | 2007-12-20 | 2008-12-19 | Method for processing a side edge of a panel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007062430A DE102007062430B3 (en) | 2007-12-20 | 2007-12-20 | Method for machining a side edge of a panel and apparatus for carrying out the method |
PCT/EP2008/010959 WO2009080328A1 (en) | 2007-12-20 | 2008-12-19 | Method for processing a side edge of a panel, and device for carrying out said method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2117788A1 EP2117788A1 (en) | 2009-11-18 |
EP2117788B1 true EP2117788B1 (en) | 2011-02-09 |
Family
ID=40528147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08864900A Active EP2117788B1 (en) | 2007-12-20 | 2008-12-19 | Method for processing a side edge of a panel |
Country Status (17)
Country | Link |
---|---|
US (1) | US8726513B2 (en) |
EP (1) | EP2117788B1 (en) |
JP (1) | JP5248603B2 (en) |
KR (1) | KR101143737B1 (en) |
CN (1) | CN101687335B (en) |
AT (1) | ATE497868T1 (en) |
AU (1) | AU2008340681B2 (en) |
BR (1) | BRPI0809284B1 (en) |
CA (1) | CA2687048C (en) |
DE (2) | DE102007062430B3 (en) |
ES (1) | ES2359294T3 (en) |
MX (1) | MX2009011057A (en) |
PL (1) | PL2117788T3 (en) |
PT (1) | PT2117788E (en) |
RU (1) | RU2426641C2 (en) |
UA (1) | UA95514C2 (en) |
WO (1) | WO2009080328A1 (en) |
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-
2007
- 2007-12-20 DE DE102007062430A patent/DE102007062430B3/en active Active
-
2008
- 2008-12-19 JP JP2010510704A patent/JP5248603B2/en active Active
- 2008-12-19 RU RU2009136945/21A patent/RU2426641C2/en active
- 2008-12-19 KR KR1020097027220A patent/KR101143737B1/en active IP Right Grant
- 2008-12-19 ES ES08864900T patent/ES2359294T3/en active Active
- 2008-12-19 MX MX2009011057A patent/MX2009011057A/en active IP Right Grant
- 2008-12-19 WO PCT/EP2008/010959 patent/WO2009080328A1/en active Application Filing
- 2008-12-19 CN CN2008800104554A patent/CN101687335B/en active Active
- 2008-12-19 CA CA2687048A patent/CA2687048C/en active Active
- 2008-12-19 EP EP08864900A patent/EP2117788B1/en active Active
- 2008-12-19 BR BRPI0809284-2A patent/BRPI0809284B1/en active IP Right Grant
- 2008-12-19 AU AU2008340681A patent/AU2008340681B2/en active Active
- 2008-12-19 DE DE502008002556T patent/DE502008002556D1/en active Active
- 2008-12-19 UA UAA200910182A patent/UA95514C2/en unknown
- 2008-12-19 PT PT08864900T patent/PT2117788E/en unknown
- 2008-12-19 PL PL08864900T patent/PL2117788T3/en unknown
- 2008-12-19 US US12/594,781 patent/US8726513B2/en active Active
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Also Published As
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ATE497868T1 (en) | 2011-02-15 |
MX2009011057A (en) | 2009-11-10 |
JP5248603B2 (en) | 2013-07-31 |
UA95514C2 (en) | 2011-08-10 |
US20100058590A1 (en) | 2010-03-11 |
CA2687048C (en) | 2011-05-31 |
WO2009080328A1 (en) | 2009-07-02 |
DE102007062430B3 (en) | 2009-07-02 |
AU2008340681A1 (en) | 2009-07-02 |
PT2117788E (en) | 2011-05-13 |
KR101143737B1 (en) | 2012-05-11 |
JP2010528897A (en) | 2010-08-26 |
CN101687335A (en) | 2010-03-31 |
RU2009136945A (en) | 2011-04-20 |
DE502008002556D1 (en) | 2011-03-24 |
US8726513B2 (en) | 2014-05-20 |
BRPI0809284B1 (en) | 2020-03-03 |
AU2008340681B2 (en) | 2010-12-02 |
CN101687335B (en) | 2011-10-12 |
BRPI0809284A2 (en) | 2014-09-02 |
KR20100017940A (en) | 2010-02-16 |
CA2687048A1 (en) | 2009-07-02 |
ES2359294T3 (en) | 2011-05-20 |
EP2117788A1 (en) | 2009-11-18 |
RU2426641C2 (en) | 2011-08-20 |
PL2117788T3 (en) | 2011-07-29 |
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