EP3106273A1 - Tool assembly for machining wooden panels - Google Patents
Tool assembly for machining wooden panels Download PDFInfo
- Publication number
- EP3106273A1 EP3106273A1 EP15172385.5A EP15172385A EP3106273A1 EP 3106273 A1 EP3106273 A1 EP 3106273A1 EP 15172385 A EP15172385 A EP 15172385A EP 3106273 A1 EP3106273 A1 EP 3106273A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wood
- tool
- based panel
- centering
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003754 machining Methods 0.000 title claims description 11
- 239000002023 wood Substances 0.000 claims abstract description 136
- 239000000463 material Substances 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D5/00—Other working of veneer or plywood specially adapted to veneer or plywood
- B27D5/006—Trimming, chamfering or bevelling edgings, e.g. lists
-
- 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
Definitions
- the invention relates to a device and a method for processing the side surface of wood-based panels.
- the invention relates to a tool arrangement for processing the side surface of a wood-based panel with a carrier and with a means for pressing the carrier to the wood-based panel to be processed, wherein the carrier has a first and a second support member which are connected by a hinge and wherein the second support member Has means for detecting the thickness of the wood-based panel, a tool and means for centering the tool.
- Machining the side surfaces of wood-based panels involves machining the edges.
- the edges of the side surfaces each adjoin an upper side or a lower side, that is to say the main surfaces of the wood-based material panel.
- vertical and horizontal are used in connection with the invention, these always refer to the plane which is predetermined by the wood-based panel.
- the fact is used that for the processing of the side surfaces of wood-based panels including the edges usually a fixed relation between plate thickness and position of the edges is given, regardless of the other dimensions of the wood-based panel.
- a mechanically centering tool arrangement is proposed.
- a typical application is the removal of overhanging coatings such.
- B. of laminates which may be applied to the top and / or bottom of wood-based panels.
- the side surfaces can be provided with a profile or smoothed.
- the tool arrangement according to the invention is expediently arranged directly behind a coating device, usually a short-cycle press.
- the tool assembly of the invention is ready for use when vertically and horizontally aligned so that the tool engages the edge of the plate to be machined as the plate passes the tool. If two parallel edges of a plate are to be machined, two of the tool assemblies can be mounted opposite one another.
- An essential part of the tool assembly according to the invention is the arrangement for determining the working position of the tool, consisting of two components, the means for detecting the plate thickness, which are vertically adjustable and the means for pressing the tool to be processed wood material panel, which are horizontally adjustable.
- the means for pressing the carrier - and thus the tool - to be processed wood material panel press the articulated second Carrier element to the wood-based material board.
- the means for pressing can be designed as pneumatic, hydraulic or spring-loaded means, for. B. as a pneumatic or hydraulically actuated piston or as a compression spring, which presses the second support element - and thus also the tool- in the plane of the wood-based material board to the wood-based material board.
- the joint between the first and the second carrier element is preferably designed as a lever-joint arrangement.
- the means for pressing and the means for detecting the thickness of the wood-based panel cooperate with the means for centering the tool and align the tool depending on the thickness of the plate so that the side surface of the wood-based panel, in particular their edges, exactly in engagement the tool comes.
- the working position of the tool is in predefined relation to the plate thickness.
- the means for centering are thus arranged in predefined relation to the means for detecting the plate thickness.
- the means for detecting the plate thickness are designed as a pressure device, in which a stationary pressure means cooperates with a movable pressure means.
- the movable pressure means may be formed as a rotating pressure means or as a pivotable pressure means.
- the pressure means are each on a major surface of the wood-based panel to be processed. It is advantageous if the stationary pressure means rests on the underside of the wood-based material board and the movable pressure means rests on the upper side of the wood-based material board.
- the pressure means are designed as rotating rollers, rollers, balls or as a pivotable lever, the e.g. can interact with a rail as a solid pressure element. Relative to the machining direction of the wood-based panel, according to an advantageous embodiment of the invention, several pressure means are provided, preferably both before and after the tool.
- the stationary pressure means are mounted on an axis which is fixed to the carrier and rotate about the stationary pressure means.
- On the axis of a further movable lever is mounted, which carries at its free end a further axis on which the movable pressure means is attached.
- This further axis on the lever is arranged parallel to the axis of the stationary pressure means.
- the movable pressure means rotates about the further axis of the lever.
- the lever is at least as far rotatable about the axis of the stationary pressure means that the movable pressure means can roll on the wood-based panels with the largest thickness. Typical thicknesses of wood-based panels are between 5 mm and 60 mm, usually between 8 mm and 50 mm.
- the plates to be processed deflect the movable pressure means relative to the stationary pressure means and thereby cause a deflection of the lever up or down.
- the means for detecting the thickness of the wood-based panel are therefore designed for a vertical movement, in particular a stepless vertical movement.
- the means for centering which are part of the arrangement for determining the working position of the tool, carry a tool holder, on which the tool is held in fixed relation to the means for centering.
- the means for centering further comprise a guide element with an end face on which the side surface of the wood-based material board to be machined is guided.
- the guide element is pressed by the means for pressing, which act on the second support member horizontally to the side surface of the wood material board.
- the horizontal working position of the tool is defined.
- the guide element is in one piece according to a preferred embodiment of the invention, for. B. formed as a plate or rail, but it can also be multi-part, z. B. be composed of a sequence of roles.
- the end face is composed in this case of the peripheral surface of the rollers.
- the end face extends according to a preferred embodiment in the machining direction of the side surface in front of and behind the tool.
- the means for centering finally have a bolt which is fixedly connected to the guide element, either by being formed integrally with the guide element or by z.
- B. is rigidly connected by welding or screwing with the guide element.
- the bolt is received with its first end in the lever of the means for detecting the plate thickness and is also engaged with a guide.
- the guide is attached to the second support element. It is fixedly mounted on the second support member according to a first alternative and is only on the voltage applied to the guide bolt with the means for centering in connection.
- the guide converts the vertical movement of the bolt when lifting or lowering the lever of the upper pressure elements in a horizontal movement, ie a movement on the wood-based panel to be machined or away from this wood-based panel.
- the guide is preferably formed inclined or curved guide ruler, wherein an upper portion of the guide ruler has a different distance to the machined side surface of the wood material board or the stationary pressure elements as a lower portion of the guide.
- the upper portion of the guide ruler is arranged closer to the stationary pressure means, in particular when the upper pressure element is designed to be movable.
- the bolt is thus raised or lowered with the lever.
- the bolt which preferably rests with its second end against the guide ruler, is deflected horizontally relative to the height of the guide ruler, specifically in a direction which is perpendicular to the machining direction of the wood-based material panel.
- the machining direction is the direction in which the wood-based panel to be machined is conveyed past the tool assembly.
- the guide element on whose end face the wood-based panel is in contact with the side face, and the tool is centered at a different distance relative to the wood-based panel.
- the tool is arranged by the tool assembly according to the invention at the optimum distance from the side surface, in particular to the edges between the side surface and the main surfaces of the wood-based material board.
- the tool assembly according to the invention is self-adjusting and no interruption of production is required when changing the plate thickness or a new adjustment of the tool are made got to.
- the prescription of a side surface or edge to be produced, as required by the aforementioned prior art, is eliminated in the tool arrangement of the invention.
- the guide may comprise a guide ruler, which is held displaceably in a generally slot-shaped, inclined in the direction of the wood-based panel to be machined recording.
- the bolt On the movably received guide ruler, the bolt is attached.
- the free end of the bolt moves the second support member with the tool disposed thereon in the horizontal direction on the wood-based panel to be processed, when the upper pressure elements are raised, because when lifting the upper pressure elements of the bolt is lifted.
- the guide ruler is also raised. Since the recording of the guide ruler is arranged obliquely with respect to the plane of the wood-based panel, the guide ruler and the bolt arranged fixedly thereto move the tool towards the wood-based panel to be machined.
- the guide ruler and the bolt arranged fixedly thereto move the tool towards the wood-based panel to be machined.
- the tool arrangement according to the invention can be used as a stand-alone arrangement, but typical is the use of a processing line on which several successive processing stations are arranged with different tools.
- the support of the tool assembly in particular the first support member, be secured to a wall piece, a support or other receptacle which is sufficiently stable to resist the forces.
- the carrier is usually made of metal, it may be in one piece or in several parts.
- the carrier is at least two parts.
- a first carrier element is attached to the receptacle and a second carrier element is articulated, in particular connected via a lever-joint arrangement with the first carrier element.
- a hydraulic or pneumatic piston assembly or a spring element for. B.
- the second, movable carrier element is preferably movable only in the pressing direction, ie in a direction parallel to the plane of the wood-based material board to be processed.
- the second carrier element is preferably not height-adjustable or adjustable in the direction of movement of the wood-based material board.
- the tool may be a stationary blade or a rotating tool, in particular a milling tool.
- the tool can be one-piece or multi-piece.
- the tool is fixedly mounted on the means for centering.
- the tool is thus aligned by the means for centering depending on the thickness of the wood-based panel at the optimum distance from the side surface to be machined or the edges of the side surface of the wood-based panel. It is designed to process the entire side surface or, preferably, to process one or both edges of a side surface.
- the tool is aligned so that it generates a chamfer on the edge to be machined.
- the working surface of the tool may be arranged at an angle corresponding to the slope of the chamfer to be generated.
- an inclined working surface of the tool which is related to the plane of the wood-based panel, is helpful if thinner or thicker wood-based panels are to be machined whose edges or side faces are located at different locations. If two edges of a side surface to edit, the use of a symmetrical, in particular spindle-shaped tool may be expedient whose working surfaces are inclined so that they can edit the edges of thin and thicker wood-based panels.
- the processing surfaces are each staggered aligned to z. B. to edit the edges of different thickness wood-based panels.
- a tool that is formed in the manner of a diabolo, that is in the form of two cones with each other with the tip. The outer sheath of both cones is designed in each case for processing the side surface or the edges of a wood-based material board.
- Fig. 1 and Fig. 2 show a tool assembly 2, here made of metal, for processing the side surface of a wood-based panel (not shown).
- the tool assembly according to the invention has a support 4 and means for pressing the support 4 to the wood-based panel to be machined, wherein the support 4 has a first and a second support member 4a, 4b, which are connected by a lever-joint assembly 8 and wherein the second support member 4b Means 10 for detecting the thickness of the wood-based panel to be machined, a tool 12 for processing the side surface, in particular the edges of the wood-based panel, and means 14 for centering the tool.
- Fig. 1 to Fig. 4 presented tool assembly is designed to remove protruding coating material at the top and bottom edges of laminated wood-based panels having a thickness of 8 to 50 mm.
- the carrier 4 is aligned in the vertical and horizontal directions so that the tool 12 is optimally engaged with the side surface of the wood-based material board to be machined. Details of the tool arrangement according to the invention and its mode of operation with optimum alignment with the wood-based panel to be processed are described in more detail below.
- the carrier 4 has a first carrier element 4a, which is stationary in the operating state.
- This first carrier element 4a is connected via a lever-joint arrangement 8 with the second carrier element 4b.
- the first support member 4a has a rectangular support plate 16, on the lateral portions 16a, 16b, the lever-joint assembly 8 is mounted: hinge pins 20 are held by means of tabs 18 on the support plate 16.
- the hinge pins 20 are engaged with the first end of Anpresshebeln 22, which are at its second end with a support plate 24 of the second support member 4b engaged.
- the second support member 4b is thus connected via a lever-joint assembly stable with the first support member 4a and is pressed by the means for pressing against the wood-based panel evenly in the direction of the wood-based panel to be processed.
- the means for pressing are not shown here in detail; typically hydraulic or pneumatic cylinders are used, which are fastened with a first end on the first support element 4a, here on the lever 6. With its second end, the hydraulic or pneumatic cylinder is fastened to the second carrier element 4b and thus presses the second carrier element in the direction of the arrow H (FIG. Fig. 1 ) to the plate to be processed.
- several means for pressing can be used, typically two or four hydraulic or pneumatic cylinders.
- the plate to be processed exerts a counter-pressure against the means for pressing when passing the tool assembly 2.
- the second carrier element 4b must be arranged to be movable in order to be optimally aligned between the pressure and counter-pressure for processing the side surface of the wood-based material board. This is ensured by the lever joint assembly 8 described above.
- the dimensions of the pressure levers 22 permit-based on the plane of the wood-based panel to be processed-a horizontal movement in accordance with arrow H (FIG. Fig. 1 ), which makes it possible to machine wood-based panels of a thickness of 8 mm to 50 mm with an optimally positioned tool 12. A movement in the vertical direction is excluded during the processing of the side surface of a wood-based panel.
- the second carrier element 4b is -as out Fig. 3 apparent- essentially from the support plate 24, the attached to the support plate, here the lateral portions 24a, 24b of the support plate 24 connecting plates 26 and the bottom plate 28 joined.
- the second support member 24 is thus a sufficiently rigid arrangement, which carries the tool 12 and the means 14 for centering and the means 10 for detecting the thickness of the respective wood-based panel to be machined.
- the means for detecting the thickness of the wood-based panel are presently designed as pressure means 10.
- the pressing means 10 are composed of at least two, typically four to ten in the machining direction of the wood-based material board according to arrow B ( Fig. 1 . 2 ) arranged in a row, vertically fixed rollers 30a, 30b, which are connected by support bolts 32a, 32b with the bottom plate 28 and are additionally stabilized by a rail 34.
- Above the stationary rollers 30a, 30b at least two, typically four to ten movable pressure rollers 36a, 36b are arranged.
- the upper, movable pressure rollers 36a, 36b are fastened by levers 38a, 38b to the support bolts 32a, 32b.
- the levers 38a, 38b are fixed to the support bolt at a first end, and at a second end are engaged with bolts 40a, 40b carrying the upper pressure rollers 36a, 36b.
- the levers have a length which allows vertical movement of the movable upper pinch rollers 36a, 36b over a distance corresponding at least to the thickness of the thickest wood-based panel to be machined.
- the upper pressure rollers are connected by a rail 42 which is bent in the processing direction B at the front end 44 at an angle of approximately 45 ° vertically and in the upper pressure roller 36a on a plane parallel to the wood-based panel to be processed, but above the wood-based panel lowers.
- the rail 42 supports the feeding of a new wood-based panel, in particular a wood-based panel of greater thickness, and the vertical movement, here an upward movement, of the upper pinch rollers 36a, 36b.
- the means 14 for centering the tool ensure that the tool 12 is always optimally engaged with the side surface of the wood-based panel to be machined, in particular with the edges of the side surfaces.
- the means 14 for centering comprise centering bolts 46a, 46b, whose first end is received at a predetermined height in the levers 38a, 38b.
- the centering bolts 46a, 46b extend parallel to and to the support bolts 32a, 32b and to the bolts 40a, 40b.
- a guide plate 48 is mounted, which is arranged in a plane with the wood-based panel to be processed.
- the support bolts 46a, 46b and the guide plate 48 are preferably permanently connected to each other.
- the guide plate 48 may also be formed as a strip or a series of rollers, but for reasons of stability, a guide plate 48 is preferred, which extends in the machine direction B before, behind and after the tool 12.
- the centering bolts 46a, 46b align the guide plate 48 depending on the thickness of the wood-based panel to be machined always at the level of the center line, ie halfway up the wood-based panel.
- the guide plate 48 rests with its end face 50 on the side surface of the wood-based panel to be machined and thus ensures, in cooperation with the means for pressing, that the tool arrangement rests with a predetermined pressure on the side surface of the wood-based panel.
- the centering bolts 46a, 46b further carry a support 52, which is mounted with their ends in a bridge-like manner in each case on a centering bolt.
- the support 52 carries the tool 12 including drive.
- the tool 12 is thus raised or lowered together with the guide plate 48, which is mounted in the middle of the tool, in fixed, predetermined relation to the vertical movement of the lever 38 a, 38 b.
- the support 52 and the guide plate 48 attached to the support bolts 46a, 46b thus cooperate to optimally adjust the tool 12 to the machining of the side surfaces of the wood-based panel, in this case the edges.
- the edges which are to be worked here are at different distances from the mean height of the wood-based panel. Accordingly, the tool 12 must be aligned at different distances from the average height, which is to be equated with the position of the guide plate 48, depending on whether the edges of a thin wood material panel of z. B. 8 mm, of wood-based panels of medium thickness of z. B. 16 mm to 20 mm or wood-based panels of 40 mm or 50 mm thickness to edit.
- a horizontal movement of the tool 12 is necessary. This horizontal movement is ensured by a guide in which the in the Fig.
- FIG. 1 to 4 shown in an advantageous embodiment support bolts 46a, 46b, which are moved vertically by the lever 38a, 38b, with its second end with a guide ruler 54 are engaged, characterized in that the support pins rest against the guide rule.
- the guide ruler 54 in the in Fig. 1 to Fig. 4 embodiment shown formed as an inclined surface whose lower edge 56 is closer to the first support member 4a and the upper edge 58 closer to the tool 12. In a vertical movement from bottom to top, by feeding a wood-based panel with larger Thickness is triggered, the support pins 46a, 46b raised by pivoting the lever 38a, 38b.
- the second end of the support bolts slides upwardly on the guide rail 54, respectively, and the support bolts 46a, 46b move in the direction H which is predetermined by the plane of the wood-based panel to be machined.
- the upper pinch rollers 36a, the guide plate 48 and the tool 12 are moved horizontally in the direction of the wood-based panel to be processed. In this way, it is ensured that the tool 12 is centered in an optimal position on the edges to be machined of the side surface of the wood-based panel.
- the tool 12 for removing excess coating material such as overlay or decorative paper designed.
- the requirement is to create a chamfer at the edges of the wood-based panel to be machined, ie at the transitions from the top and bottom to the side surface, ie a narrow, oblique surface instead of the simple edge.
- the tool 12 is advantageously formed in the manner of a diabolo, that is in the form of two with the tip successive cone, wherein the guide plate 48 is disposed at the height of the narrowest point of the diabolos, ie where the tips of the cone meet.
- the working surface of the tool 12 is thus inclined to the plane of the side surface and the top and bottom of the wood-based panel to be processed and is at the same time designed to work the edges of wood-based panels of different thickness.
- the tool is advantageously a spindle-shaped milling cutter, but can also be an obliquely or spindle-shaped knife. If only one edge of the wood-based panel to edit, the tool can only be arranged in the region of the edge to be processed.
- the special advantage of the in the Fig. 1 to Fig. 4 shown tool assembly 2 is that even slightly brittle supernatant coating material or multilayer coating material can be reliably and cleanly removed in one operation to form a chamfer at the transition of the side surface to the top and / or bottom.
- the tool assembly 2 adjusts itself automatically by a mechanical arrangement to different thicknesses of the wood-based panels without a predetermined contour is processed or without a separate control is required.
- a wood-based panel z. B. introduced via a roller conveyor, not shown, to the tool assembly 2.
- the wood-based panel comes with the bottom in engagement with the lower, stationary pressure rollers 30a and with the top with the front end 44 of the rail 42, which opens at an angle of about 450 upwards.
- the front end 44 of the rail 42 raises the upper pinch rollers so far that the upper, movable pinch rollers 36 a rest on the top of the wood-based panel and roll. If the wood-based material board continues to be conveyed in the machine direction, the lower and upper pressure rollers 30b and 36b also come into contact with the underside or the upper side of the wood-based panel and roll on the wood-based panel.
- the levers 38a and 38b With the lifting of the upper, movable pressure rollers 36a, 36b, the levers 38a and 38b are deflected upwards. Together with the levers 38a, 38b, the centering pins 46a, 46b disposed in the levers are raised in fixed relation to the vertical stroke of the upper pinch rollers. The attached to the centering pins 46a, 46b guide plate 48 and support 52 are raised with the centering pin. As a result, the guide plate 48 is located at half the height of the side surface of the wood-based panel and causes together with the means for pressing the solid concerns of the tool 12 on the side surface or the edges of the wood-based material board. The tool 12 is adjusted to the correct, predetermined height based on the thickness of the wood-based panel.
- the centering pins 46a, 46b slide up the guide ruler 54.
- the vertical movement is now converted into a horizontal movement and the tool 12 is moved by the means 14 for centering on the wood-based panel to the correct distance to the side surface of the wood-based panel.
- the tool 12 is centered correctly in terms of height and distance and produces a clean chamfer at the edges when engaging the wood-based panel.
- the support 4 is designed to be sufficiently long in the direction B of machining that the means 10 for detecting the thickness and the means 14 for centering both before and after the tool 12 are arranged around a uniform Raise or lower and to ensure a uniform horizontal centering of the tool 12 with respect to the side surface to be machined.
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Abstract
Die Erfindung betrifft Werkzeuganordnung (2) und ein Verfahren zum Bearbeiten der Seitenfläche einer Holzwerkstoffplatte. Um eine Werkzeuganordnung und ein Verfahren vorzuschlagen, die ohne Vergleich mit einer Soll-Struktur arbeiten, ist vorgesehen, dass eine Werkzeuganordnung mit einem Träger (4) und mit einem Mittel zum Anpressen des Trägers an die zu bearbeitende Holzwerkstoffplatte ausgestattet ist, wobei der Träger ein erstes (4a) und ein zweites (4b) Trägerelement aufweist, die durch ein Gelenk (8) verbunden sind und wobei das zweite Trägerelement (4b) Mittel (10) zum Erfassen der Dicke der Holzwerkstoffplatte, ein Werkzeug (12) sowie Mittel (14) zum Zentrieren des Werkzeugs aufweist.The invention relates to tool assembly (2) and a method for processing the side surface of a wood-based panel. In order to propose a tool arrangement and a method which operate without comparison with a desired structure, it is provided that a tool arrangement is equipped with a support (4) and with a means for pressing the support against the wood-based panel to be machined, wherein the support first (4a) and a second (4b) support element, which are connected by a hinge (8) and wherein the second support element (4b) comprises means (10) for detecting the thickness of the wood material board, a tool (12) and means (14 ) for centering the tool.
Description
Die Erfindung betrifft eine Vorrichtung und ein Verfahren zum Bearbeiten der Seitenfläche von Holzwerkstoffplatten.The invention relates to a device and a method for processing the side surface of wood-based panels.
Seitenflächen von Holzwerkstoffplatten müssen bearbeitet werden, um eine gleichmäßig gute, optisch ansprechende Platte herzustellen, die insbesondere keine Ausrisse an den Kanten oder ein vorgegebenes Kantenprofil zeigt. Besonders wichtig ist dies für Platten, die eine Beschichtung tragen, insbesondere ein Laminat. Bekannte Vorrichtungen und Verfahren sehen gemäß der
Es ist daher Aufgabe der Erfindung, eine Vorrichtung und ein Verfahren vorzuschlagen, die ohne Vergleich mit einer Soll-Struktur arbeiten.It is therefore an object of the invention to propose an apparatus and a method which operate without comparison with a desired structure.
Die Aufgabe wird gelöst mit einer Vorrichtung nach Anspruch 1 und einem Verfahren nach Anspruch 10. Unteransprüche richten sich auf vorteilhafte Ausführungen der Erfindung.The object is achieved with a device according to claim 1 and a method according to
Die Erfindung betrifft eine Werkzeuganordnung zum Bearbeiten der Seitenfläche einer Holzwerkstoffplatte mit einem Träger und mit einem Mittel zum Anpressen des Trägers an die zu bearbeitende Holzwerkstoffplatte, wobei der Träger ein erstes und ein zweites Trägerelement aufweist, die durch ein Gelenk verbunden sind und wobei das zweite Trägerelement Mittel zum Erfassen der Dicke der Holzwerkstoffplatte, ein Werkzeug sowie Mittel zum Zentrieren des Werkzeugs aufweist.The invention relates to a tool arrangement for processing the side surface of a wood-based panel with a carrier and with a means for pressing the carrier to the wood-based panel to be processed, wherein the carrier has a first and a second support member which are connected by a hinge and wherein the second support member Has means for detecting the thickness of the wood-based panel, a tool and means for centering the tool.
Das Bearbeiten der Seitenflächen von Holzwerkstoffplatten schließt das Bearbeiten der Kanten ein. Die Kanten der Seitenflächen grenzen jeweils an eine Oberseite oder eine Unterseite, also den Hauptflächen der Holzwerkstoffplatte an. Soweit im Zusammenhang mit der Erfindung die Begriffe "vertikal" und "horizontal" verwendet werden, beziehen sich diese stets auf die Ebene, die durch die Holzwerkstoffplatte vorgegeben wird. Für die erfindungsgemäße Werkzeuganordnung wird der Umstand genutzt, dass für die Bearbeitung der Seitenflächen von Holzwerkstoffplatten einschließlich der Kanten meist eine feste Relation zwischen Plattendicke und Lage der Kanten gegeben ist, unabhängig von den sonstigen Dimensionen der Holzwerkstoffplatte. In erfindungsgemäßer Umsetzung dieses Umstands wird eine mechanisch zentrierende Werkzeuganordnung vorgeschlagen.Machining the side surfaces of wood-based panels involves machining the edges. The edges of the side surfaces each adjoin an upper side or a lower side, that is to say the main surfaces of the wood-based material panel. Insofar as the terms "vertical" and "horizontal" are used in connection with the invention, these always refer to the plane which is predetermined by the wood-based panel. For the tool assembly according to the invention, the fact is used that for the processing of the side surfaces of wood-based panels including the edges usually a fixed relation between plate thickness and position of the edges is given, regardless of the other dimensions of the wood-based panel. In accordance with the invention of this circumstance, a mechanically centering tool arrangement is proposed.
Ein typischer Anwendungsfall ist das Entfernen von überstehenden Beschichtungen, wie z. B. von Laminaten, die auf die Ober- und/oder Unterseite von Holzwerkstoffplatten aufgebracht sein können. Alternativ können die Seitenflächen auch mit einem Profil versehen oder geglättet werden. Nachfolgend wir die Erfindung insbesondere am Beispiel des Entfernens solcher überstehender Beschichtungen erläutert ohne dabei aber andere Bearbeitungen der Seitenflächen, z. B. das Glätten oder Profilieren, auszunehmen. Bezogen auf den typischen Anwendungsfall des Entfernens überstehenden Beschichtungsmaterials, ist die erfindungsgemäße Werkzeuganordnung zweckmäßig unmittelbar hinter einer Beschichtungsvorrichtung, meist einer Kurztaktpresse, angeordnet. Die Werkzeuganordnung nach der Erfindung ist einsatzfertig, wenn sie vertikal und horizontal so ausgerichtet ist, dass das Werkzeug mit der zu bearbeitenden Kante der Platte in Eingriff kommt, wenn die Platte am Werkzeug vorbeigeführt wird. Sind zwei parallele Kanten einer Platte zu bearbeiten, können zwei der Werkzeuganordnungen einander gegenüberliegend angebracht sein.A typical application is the removal of overhanging coatings such. B. of laminates, which may be applied to the top and / or bottom of wood-based panels. Alternatively, the side surfaces can be provided with a profile or smoothed. In the following, we will explain the invention, in particular using the example of removing such overhanging coatings without, however, other processing of the side surfaces, for. As the smoothing or profiling, exempt. Based on the typical application of removing protruding coating material, the tool arrangement according to the invention is expediently arranged directly behind a coating device, usually a short-cycle press. The tool assembly of the invention is ready for use when vertically and horizontally aligned so that the tool engages the edge of the plate to be machined as the plate passes the tool. If two parallel edges of a plate are to be machined, two of the tool assemblies can be mounted opposite one another.
Wesentlicher Bestandteil der erfindungsgemäßen Werkzeuganordnung ist die Anordnung zum Festlegen der Arbeitsposition des Werkzeugs, die aus zwei Komponenten, den Mitteln zum Erfassen der Plattendicke, die vertikal verstellbar sind und den Mitteln zu Anpressen des Werkzeugs an die zu bearbeitende Holzwerkstoffplatte, die horizontal verstellbar sind. Die Mittel zum Anpressen des Trägers -und damit des Werkzeugs- an die zu bearbeitende Holzwerkstoffplatte drücken das gelenkig angeordnete zweite Trägerelement an die Holzwerkstoffplatte. Die Mittel zum Anpressen können als pneumatische, hydraulische oder federbelastete Mittel ausgelegt sein, z. B. als pneumatische oder hydraulisch betätigte Kolben oder als Druckfeder, die das zweite Trägerelement - und damit auch das Werkzeug- in der Ebene der Holzwerkstoffplatte an die Holzwerkstoffplatte anpresst. Das Gelenk zwischen dem ersten und dem zweiten Trägerelement ist bevorzugt als Hebel-Gelenkanordnung ausgebildet. Die Mittel zum Anpressen und die Mittel zum Erfassen der Dicke der Holzwerkstoffplatte wirken mit den Mitteln zum Zentrieren des Werkzeugs zusammen und richten das Werkzeug in Abhängigkeit von der Dicke der Platte so aus, dass die Seitenfläche der Holzwerkstoffplatte, insbesondere deren Kanten, exakt in Eingriff mit dem Werkzeug kommt. Wie vorstehend näher erläutert, steht nach der Erkenntnis des Erfinders die Arbeitsposition des Werkzeugs in vorgegebener Relation zur Plattendicke. Erfindungsgemäß sind die Mittel zum Zentrieren also in vorgegebener Relation zu den Mitteln zum Erfassen der Plattendicke angeordnet.An essential part of the tool assembly according to the invention is the arrangement for determining the working position of the tool, consisting of two components, the means for detecting the plate thickness, which are vertically adjustable and the means for pressing the tool to be processed wood material panel, which are horizontally adjustable. The means for pressing the carrier - and thus the tool - to be processed wood material panel press the articulated second Carrier element to the wood-based material board. The means for pressing can be designed as pneumatic, hydraulic or spring-loaded means, for. B. as a pneumatic or hydraulically actuated piston or as a compression spring, which presses the second support element - and thus also the tool- in the plane of the wood-based material board to the wood-based material board. The joint between the first and the second carrier element is preferably designed as a lever-joint arrangement. The means for pressing and the means for detecting the thickness of the wood-based panel cooperate with the means for centering the tool and align the tool depending on the thickness of the plate so that the side surface of the wood-based panel, in particular their edges, exactly in engagement the tool comes. As explained in more detail above, according to the knowledge of the inventor, the working position of the tool is in predefined relation to the plate thickness. According to the invention, the means for centering are thus arranged in predefined relation to the means for detecting the plate thickness.
Nach einer bevorzugten Ausführung der Erfindung wird dies umgesetzt, indem die Mittel zum Erfassen der Plattendicke als Andruckvorrichtung ausgelegt sind, bei der ein ortsfestes Andruckmittel zusammenwirkt mit einem beweglichen Andruckmittel. Das bewegliche Andruckmittel kann als rotierendes Andruckmittel oder als schwenkbares Andruckmittel ausgebildet sein. Die Andruckmittel liegen jeweils auf einer Hauptfläche der zu bearbeitenden Holzwerkstoffplatte auf. Vorteilhaft ist es, wenn das ortsfeste Andruckmittel auf der Unterseite der Holzwerkstoffplatte aufliegt und das bewegliche Andruckmittel auf der Oberseite der Holzwerkstoffplatte aufliegt. Die Andruckmittel sind als rotierende Rollen, Walzen, Kugeln oder als schwenkbarer Hebel ausgeführt, der z.B. mit einer Schiene als festes Andruckelement zusammenwirken kann. Bezogen auf die Bearbeitungsrichtung der Holzwerkstoffplatte sind nach einer vorteilhaften Ausführung der Erfindung mehrere Andruckmittel vorgesehen, bevorzugt sowohl vor als auch nach dem Werkzeug.According to a preferred embodiment of the invention, this is implemented by the means for detecting the plate thickness are designed as a pressure device, in which a stationary pressure means cooperates with a movable pressure means. The movable pressure means may be formed as a rotating pressure means or as a pivotable pressure means. The pressure means are each on a major surface of the wood-based panel to be processed. It is advantageous if the stationary pressure means rests on the underside of the wood-based material board and the movable pressure means rests on the upper side of the wood-based material board. The pressure means are designed as rotating rollers, rollers, balls or as a pivotable lever, the e.g. can interact with a rail as a solid pressure element. Relative to the machining direction of the wood-based panel, according to an advantageous embodiment of the invention, several pressure means are provided, preferably both before and after the tool.
Nach einer vorteilhaften Ausführung der Erfindung sind die ortsfesten Andruckmittel auf einer Achse angebracht, die am Träger befestigt ist und um die die ortsfesten Andruckmittel rotieren. An der Achse ist weiter ein beweglicher Hebel angebracht, der an seinem freien Ende eine weitere Achse trägt, auf der das bewegliche Andruckmittel befestigt ist. Diese weitere Achse am Hebel ist parallel zur Achse des ortsfesten Andruckmittels angeordnet. Das bewegliche Andruckmittel rotiert um die weitere Achse am Hebel. Der Hebel ist mindestens so weit um die Achse der ortsfesten Andruckmittel drehbar, dass das bewegliche Andruckmittel auf den Holzwerkstoffplatten mit der größten Dicke abrollen kann. Typische Dicken von Holzwerkstoffplatten betragen zwischen 5 mm und 60 mm, meist zwischen 8 mm und 50 mm. Die zu bearbeitenden Platten lenken das bewegliche Andruckmittel bezogen auf das ortsfeste Andruckmittel aus und bewirken dadurch ein Auslenken des Hebels nach oben oder unten. Die Mittel zum Erfassen der Dicke der Holzwerkstoffplatte sind also für eine vertikale Bewegung, insbesondere eine stufenlose vertikale Bewegung, ausgelegt.According to an advantageous embodiment of the invention, the stationary pressure means are mounted on an axis which is fixed to the carrier and rotate about the stationary pressure means. On the axis of a further movable lever is mounted, which carries at its free end a further axis on which the movable pressure means is attached. This further axis on the lever is arranged parallel to the axis of the stationary pressure means. The movable pressure means rotates about the further axis of the lever. The lever is at least as far rotatable about the axis of the stationary pressure means that the movable pressure means can roll on the wood-based panels with the largest thickness. Typical thicknesses of wood-based panels are between 5 mm and 60 mm, usually between 8 mm and 50 mm. The plates to be processed deflect the movable pressure means relative to the stationary pressure means and thereby cause a deflection of the lever up or down. The means for detecting the thickness of the wood-based panel are therefore designed for a vertical movement, in particular a stepless vertical movement.
Die Mittel zum Zentrieren, die Bestandteil der Anordnung zum Festlegen der Arbeitsposition des Werkzeugs sind, tragen eine Werkzeughalterung, an der das Werkzeug in fester Relation zu den Mitteln zum Zentrieren gehalten wird. Die Mittel zum Zentrieren weisen weiter ein Führungselement mit einer Stirnfläche auf, an der die zu bearbeitende Seitenfläche der Holzwerkstoffplatte geführt wird. Das Führungselement wird von den Mitteln zum Anpressen, die auf das zweite Trägerelement einwirken, horizontal an die Seitenfläche der Holzwerkstoffplatte gepresst. Mittels der Stirnfläche bzw. der Lage der Stirnfläche bezogen auf das Werkzeug wird die horizontale Arbeitsposition des Werkzeugs definiert. Das Führungselement ist nach einer bevorzugten Ausführung der Erfindung einteilig, z. B. als Platte oder Schiene ausgebildet, es kann aber auch mehrteilig sein, z. B. aus einer Folge von Rollen zusammengesetzt sein. Die Stirnfläche setzt sich in diesem Fall aus der Umfangsfläche der Rollen zusammen. Die Stirnfläche erstreckt sich nach einer bevorzugten Ausführung in Bearbeitungsrichtung der Seitenfläche vor und hinter dem Werkzeug.The means for centering, which are part of the arrangement for determining the working position of the tool, carry a tool holder, on which the tool is held in fixed relation to the means for centering. The means for centering further comprise a guide element with an end face on which the side surface of the wood-based material board to be machined is guided. The guide element is pressed by the means for pressing, which act on the second support member horizontally to the side surface of the wood material board. By means of the end face or the position of the end face relative to the tool, the horizontal working position of the tool is defined. The guide element is in one piece according to a preferred embodiment of the invention, for. B. formed as a plate or rail, but it can also be multi-part, z. B. be composed of a sequence of roles. The end face is composed in this case of the peripheral surface of the rollers. The end face extends according to a preferred embodiment in the machining direction of the side surface in front of and behind the tool.
Die Mittel zum Zentrieren weisen schließlich einen Bolzen auf, der mit dem Führungselement fest verbunden ist, entweder indem er integral mit dem Führungselement ausgeformt ist oder indem er z. B. durch Verschweißen oder Verschrauben starr mit dem Führungselement verbunden ist. Der Bolzen ist mit seinem ersten Ende in dem Hebel der Mittel zum Erfassen der Plattendicke aufgenommen und steht zudem im Eingriff mit einer Führung.The means for centering finally have a bolt which is fixedly connected to the guide element, either by being formed integrally with the guide element or by z. B. is rigidly connected by welding or screwing with the guide element. The bolt is received with its first end in the lever of the means for detecting the plate thickness and is also engaged with a guide.
Die Führung ist am zweiten Trägerelement angebracht. Sie ist nach einer ersten Alternative ortsfest am zweiten Trägerelement angebracht und steht nur über den an der Führung anliegenden Bolzen mit den Mitteln zum Zentrieren in Verbindung. Die Führung setzt die vertikale Bewegung des Bolzens beim Heben oder Senken des Hebels der oberen Andruckelemente in eine horizontale Bewegung um, also eine Bewegung auf die zu bearbeitende Holzwerkstoffplatte oder weg von dieser Holzwerkstoffplatte. Die Führung ist vorzugsweise geneigtes oder gebogenes Führungslineal ausgebildet, wobei ein oberer Abschnitt des Führungslineals einen anderen Abstand zu der zu bearbeitenden Seitenfläche der Holzwerkstoffplatte bzw. den ortsfesten Andruckelementen hat als ein unterer Abschnitt der Führung. Bevorzugt ist der obere Abschnitt des Führungslineals näher zu den ortsfesten Andruckmitteln angeordnet, insbesondere wenn das obere Andruckelement beweglich ausgeführt ist. Der Bolzen wird also mit dem Hebel angehoben oder abgesenkt. Gleichzeitig wird der Bolzen, der vorzugsweise mit seinem zweiten Ende an dem Führungslineal anliegt, bezogen auf die Höhe des Führungslineals horizontal ausgelenkt und zwar in eine Richtung, die senkrecht zur Bearbeitungsrichtung der Holzwerkstoffplatte steht. Die Bearbeitungsrichtung ist die Richtung, in der die zu bearbeitende Holzwerkstoffplatte an der Werkzeuganordnung vorbei gefördert wird. Mit der horizontalen Bewegung des Bolzens werden das Führungselement und das Werkzeug ebenfalls horizontal bewegt und ändern dadurch die Position bezogen auf die zu bearbeitende Seitenfläche der an der Werkzeuganordnung vorbei geführten Holzwerkstoffplatte. Entsprechend der geänderten Dicke der Holzwerkstoffplatte werden das Führungselement, an dessen Stirnfläche die Holzwerkstoffplatte mit der Seitenfläche anliegt, und das Werkzeug in einem anderen Abstand bezogen auf die Holzwerkstoffplatte zentriert. Das Werkzeug wird durch die erfindungsgemäße Werkzeuganordnung im optimalen Abstand zur Seitenfläche, insbesondere zu den Kanten zwischen Seitenfläche und Hauptflächen der Holzwerkstoffplatte angeordnet. Auf diese Weise wird mit einer einfachen, robusten und zuverlässigen Weise die Bearbeitung der Seitenfläche von Holzwerkstoffplatten unterschiedlicher verschiedener Dicke möglich, wobei die erfindungsgemäße Werkzeuganordnung selbst einstellend ist und bei einem Wechsel der Plattendicke keine Unterbrechung der Produktion erforderlich ist oder eine neue Einstellung des Werkzeugs vorgenommen werden muss. Das Vorgeben einer zu erzeugenden Seitenfläche bzw. Kante, wie es nach dem vorstehend erwähnten Stand der Technik notwendig ist, entfällt bei der Werkzeuganordnung der Erfindung.The guide is attached to the second support element. It is fixedly mounted on the second support member according to a first alternative and is only on the voltage applied to the guide bolt with the means for centering in connection. The guide converts the vertical movement of the bolt when lifting or lowering the lever of the upper pressure elements in a horizontal movement, ie a movement on the wood-based panel to be machined or away from this wood-based panel. The guide is preferably formed inclined or curved guide ruler, wherein an upper portion of the guide ruler has a different distance to the machined side surface of the wood material board or the stationary pressure elements as a lower portion of the guide. Preferably, the upper portion of the guide ruler is arranged closer to the stationary pressure means, in particular when the upper pressure element is designed to be movable. The bolt is thus raised or lowered with the lever. At the same time, the bolt, which preferably rests with its second end against the guide ruler, is deflected horizontally relative to the height of the guide ruler, specifically in a direction which is perpendicular to the machining direction of the wood-based material panel. The machining direction is the direction in which the wood-based panel to be machined is conveyed past the tool assembly. With the horizontal movement of the bolt, the guide member and the tool are also moved horizontally and thereby change the position based on the side surface to be machined of the guided on the tool assembly wood-based panel. According to the changed thickness of the wood-based panel, the guide element, on whose end face the wood-based panel is in contact with the side face, and the tool is centered at a different distance relative to the wood-based panel. The tool is arranged by the tool assembly according to the invention at the optimum distance from the side surface, in particular to the edges between the side surface and the main surfaces of the wood-based material board. In this way, the processing of the side surface of wood-based panels of different thickness is possible with a simple, robust and reliable manner, the tool assembly according to the invention is self-adjusting and no interruption of production is required when changing the plate thickness or a new adjustment of the tool are made got to. The prescription of a side surface or edge to be produced, as required by the aforementioned prior art, is eliminated in the tool arrangement of the invention.
Nach einer zweiten, alternativen Ausführung der Erfindung kann die Führung ein Führungslineal aufweisen, das in einer meist schlitzförmigen, in Richtung auf die zu bearbeitende Holzwerkstoffplatte geneigten Aufnahme verschieblich gehalten ist. An dem beweglich aufgenommenen Führungslineal ist der Bolzen befestigt. Das freie Ende des Bolzens bewegt das zweite Trägerelement mit dem darauf angeordneten Werkzeug in horizontaler Richtung auf die zu bearbeitende Holzwerkstoffplatte zu, wenn die oberen Andruckelemente angehoben werden, weil beim Anheben der oberen Andruckelemente der Bolzen mit gehoben wird. Beim Anheben des Bolzens wird das Führungslineal ebenfalls angehoben. Da die Aufnahme des Führungslineals bezogen auf die Ebene der Holzwerkstoffplatte schräg angeordnet ist, bewegen das Führungslineal und der fest daran angeordnete Bolzen das Werkzeug auf die zu bearbeitende Holzwerkstoffplatte zu. Beim Absenken der oberen Andruckelemente wird auch der daran fixierte Bolzen abgesenkt, entsprechend wird das Führungslineal in der Ausnehmung aufgenommen. Dadurch wird das Werkzeug von der zu bearbeitenden Holzwerkstoffplatte weg bewegt.According to a second alternative embodiment of the invention, the guide may comprise a guide ruler, which is held displaceably in a generally slot-shaped, inclined in the direction of the wood-based panel to be machined recording. On the movably received guide ruler, the bolt is attached. The free end of the bolt moves the second support member with the tool disposed thereon in the horizontal direction on the wood-based panel to be processed, when the upper pressure elements are raised, because when lifting the upper pressure elements of the bolt is lifted. When raising the bolt, the guide ruler is also raised. Since the recording of the guide ruler is arranged obliquely with respect to the plane of the wood-based panel, the guide ruler and the bolt arranged fixedly thereto move the tool towards the wood-based panel to be machined. When lowering the upper pressure elements and the bolt fixed thereto is lowered, according to the guide ruler is received in the recess. As a result, the tool is moved away from the wood-based panel to be processed.
Die erfindungsgemäße Werkzeuganordnung kann als allein stehende Anordnung eingesetzt werden, typisch ist aber der Einsatz an einer Bearbeitungsstrasse, an der mehrere aufeinander folgende Bearbeitungsstationen mit unterschiedlichen Werkzeugen angeordnet sind. Entsprechend kann der Träger der Werkzeuganordnung, insbesondere das erste Trägerelement, an einem Wandstück, einer Stütze oder einer anderen Aufnahme befestigt sein, die ausreichend stabil ist, um den Kräften Widerstand zu bieten. Der Träger ist in der Regel aus Metall, er kann einteilig oder mehrteilig sein. Erfindungsgemäß ist der Träger mindestens zweiteilig. Dabei ist ein erstes Trägerelement an der Aufnahme befestigt und ein zweites Trägerelement ist gelenkig, insbesondere über eine Hebel-Gelenkanordnung mit dem ersten Trägerelement verbunden. Nach einer weiter vorteilhaften Ausführung ist eine hydraulische oder pneumatische Kolbenanordnung oder ein Federelement, z. B. eine Druckfeder, zwischen dem ersten und dem zweiten Trägerelement angeordnet, um das zweite Trägerelement an die zu bearbeitenden Holzwerkstoffplatte anzupressen. Durch Schwenken des Hebels infolge des Einwirkens der Mittel zum Anpressen des zweiten Trägerelements an die zu bearbeitende Seitenfläche einer Holzwerkstoffplatte auf eine Hebel-Gelenkanordnung wird das zweite Trägerelement in Richtung weg vom ersten Trägerelement oder hin zum ersten Trägerelement verschoben. Dabei ist das zweite, bewegliche Trägerelement bevorzugt nur in der Anpressrichtung beweglich, also in einer Richtung parallel zur Ebene der zu bearbeitenden Holzwerkstoffplatte. Das zweite Trägerelement ist bevorzugt nicht höhenverstellbar oder verstellbar in der Bewegungsrichtung der Holzwerkstoffplatte.The tool arrangement according to the invention can be used as a stand-alone arrangement, but typical is the use of a processing line on which several successive processing stations are arranged with different tools. Accordingly, the support of the tool assembly, in particular the first support member, be secured to a wall piece, a support or other receptacle which is sufficiently stable to resist the forces. The carrier is usually made of metal, it may be in one piece or in several parts. According to the invention, the carrier is at least two parts. In this case, a first carrier element is attached to the receptacle and a second carrier element is articulated, in particular connected via a lever-joint arrangement with the first carrier element. According to a further advantageous embodiment, a hydraulic or pneumatic piston assembly or a spring element, for. B. a compression spring, disposed between the first and the second support member to press the second support member to the wood-based panel to be processed. By pivoting the lever as a result of the action of the means for pressing the second support member to be machined side surface of a wood-based panel on a lever-joint arrangement, the second support member in the direction away from the first support member or towards the first support member postponed. In this case, the second, movable carrier element is preferably movable only in the pressing direction, ie in a direction parallel to the plane of the wood-based material board to be processed. The second carrier element is preferably not height-adjustable or adjustable in the direction of movement of the wood-based material board.
Das Werkzeug kann eine feststehende Klinge oder ein rotierendes Werkzeug, insbesondere ein Fräswerkzeug sein. Das Werkzeug kann einteilig oder mehrteilig sein. Das Werkzeug ist ortsfest an den Mitteln zum Zentrieren montiert. Das Werkzeug ist also durch die Mittel zum Zentrieren in Abhängigkeit von der jeweiligen Dicke der Holzwerkstoffplatte im optimalen Abstand zur zu bearbeitenden Seitenfläche bzw. den Kanten der Seitenfläche der Holzwerkstoffplatte ausgerichtet. Es ist ausgelegt zum Bearbeiten der gesamten Seitenfläche oder -bevorzugt- zum Bearbeiten einer oder beider Kanten einer Seitenfläche.The tool may be a stationary blade or a rotating tool, in particular a milling tool. The tool can be one-piece or multi-piece. The tool is fixedly mounted on the means for centering. The tool is thus aligned by the means for centering depending on the thickness of the wood-based panel at the optimum distance from the side surface to be machined or the edges of the side surface of the wood-based panel. It is designed to process the entire side surface or, preferably, to process one or both edges of a side surface.
Vorteilhaft ist das Werkzeug so ausgerichtet, dass es an der zu bearbeitenden Kante eine Fase erzeugt. Zu diesem Zweck kann die Bearbeitungsfläche des Werkzeugs in einem Winkel angeordnet sein, der der Schräge der zu erzeugenden Fase entspricht. Gleichzeitig ist eine -bezogen auf die Ebene der Holzwerkstoffplatte - schräg angeordnete Bearbeitungsfläche des Werkzeugs hilfreich, wenn dünnere oder Dickere Holzwerkstoffplatten zu bearbeiten sind, deren Kanten bzw. Seitenfläche sich jeweils an unterschiedlichen Stellen befinden. Sind zwei Kanten einer Seitenfläche zu bearbeiten, kann der Einsatz eines symmetrischen, insbesondere spindelförmigen Werkzeugs zweckmäßig sein, dessen Bearbeitungsflächen so geneigt sind, dass sie die Kanten von dünnen und Dickeren Holzwerkstoffplatten bearbeiten können. Alternativ können auch mehrere Werkzeuge am Träger angeordnet sein, deren Bearbeitungsflächen jeweils gestaffelt ausgerichtet sind, um z. B. die Kanten von unterschiedlich starken Holzwerkstoffplatten zu bearbeiten. Besonders bevorzugt ist ein Werkzeug, dass nach Art eines Diabolos, also in Form von zwei mit der Spitze aufeinanderstehender Kegel ausgebildet ist. Der Außenmantel beider Kegel ist jeweils zum Bearbeiten der Seitenfläche bzw. der Kanten einer Holzwerkstoffplatte ausgelegt.Advantageously, the tool is aligned so that it generates a chamfer on the edge to be machined. For this purpose, the working surface of the tool may be arranged at an angle corresponding to the slope of the chamfer to be generated. At the same time, an inclined working surface of the tool, which is related to the plane of the wood-based panel, is helpful if thinner or thicker wood-based panels are to be machined whose edges or side faces are located at different locations. If two edges of a side surface to edit, the use of a symmetrical, in particular spindle-shaped tool may be expedient whose working surfaces are inclined so that they can edit the edges of thin and thicker wood-based panels. Alternatively, several tools may be arranged on the carrier, the processing surfaces are each staggered aligned to z. B. to edit the edges of different thickness wood-based panels. Particularly preferred is a tool that is formed in the manner of a diabolo, that is in the form of two cones with each other with the tip. The outer sheath of both cones is designed in each case for processing the side surface or the edges of a wood-based material board.
Details der Erfindung werden nachfolgend an Hand von Zeichnungen näher erläutert. Es zeigen:
- Fig. 1
- eine Draufsicht auf einen erfindungsgemäße Werkzeuganordnung zum Bearbeiten einer Seitenfläche einer Holzwerkstoffplatte
- Fig. 2
- eine perspektivische Ansicht von vorn auf eine Werkzeuganordnung nach
Fig. 1 - Fig. 3
- eine perspektivische Ansicht von unten auf eine Werkzeuganordnung nach
Fig. 1 - Fig. 4
- eine Seitenansicht auf eine Werkzeugansicht nach
Fig. 1
- Fig. 1
- a plan view of a tool assembly according to the invention for processing a side surface of a wood-based panel
- Fig. 2
- a perspective front view of a tool assembly according to
Fig. 1 - Fig. 3
- a perspective view from below of a tool assembly according to
Fig. 1 - Fig. 4
- a side view on a tool view
Fig. 1
Die in
Der Träger 4 weist ein erstes Trägerelement 4a auf, das im Betriebszustand ortsfest ist. Dieses erste Trägerelement 4a ist über eine Hebel-Gelenkanordnung 8 mit dem zweiten Trägerelement 4b verbunden. Das erste Trägerelement 4a hat eine rechteckige Stützplatte 16, an deren seitlichen Abschnitten 16a, 16b die Hebel-Gelenkanordnung 8 angebracht ist: Gelenkbolzen 20 sind mittels Laschen 18 an der Stützplatte 16 gehalten. Die Gelenkbolzen 20 stehen im Eingriff mit dem ersten Ende von Anpresshebeln 22, die mit ihrem zweiten Ende mit einer Trägplatte 24 des zweiten Trägerelements 4b im Eingriff stehen. Das zweite Trägerelement 4b ist somit über eine Hebel-Gelenkanordnung stabil mit dem ersten Trägerelement 4a verbunden und wird durch die Mittel zum Anpressen an die Holzwerkstoffplatte gleichmäßig in Richtung auf die zu bearbeitende Holzwerkstoffplatte gedrückt.The carrier 4 has a
Die Mittel zum Anpressen sind hier nicht näher dargestellt; typisch werden Hydraulikoder Pneumatikzylinder eingesetzt, die mit einem ersten Ende am ersten Trägerelement 4a, hier am Hebel 6, befestigt sind. Mit ihrem zweiten Ende ist der Hydraulik- oder Pneumatikzylinder am zweiten Trägerelement 4b befestigt und drückt so das zweite Trägerelement in die Richtung des Pfeils H (
Die Abmessungen der Anpresshebel 22 erlauben -bezogen auf die Ebene der zu bearbeitenden Holzwerkstoffplatte - eine horizontale Bewegung gemäß Pfeil H (
Das zweite Trägerelement 4b ist -wie aus
Die Mittel zum Erfassen der Dicke der Holzwerkstoffplatte sind vorliegend als Andruckmittel 10 ausgelegt. Die Andruckmittel 10 sind zusammengesetzt aus mindestens zwei, typisch vier bis zehn in Bearbeitungsrichtung der Holzwerkstoffplatte gemäß Pfeil B (
Die Mittel 14 zum Zentrieren des Werkzeugs gewährleisten, dass das Werkzeug 12 stets optimal mit der Seitenfläche der zu bearbeitenden Holzwerkstoffplatte im Eingriff steht, hier insbesondere mit den Kanten der Seitenflächen. Die Mittel 14 zum Zentrieren umfassen Zentrierbolzen 46a, 46b, deren erstes Ende in vorgegebener Höhe in den Hebeln 38a, 38b aufgenommen ist. Die Zentrierbolzen 46a, 46b erstrecken sich parallel und zu den Tragbolzen 32a, 32b und zu den Bolzen 40a, 40b. An den Tragbolzen 46a, 46b bzw. zwischen den Tragbolzen ist eine Führungsplatte 48 angebracht, die in einer Ebene mit der zu bearbeitenden Holzwerkstoffplatte angeordnet ist. Die Tragbolzen 46a, 46b und die Führungsplatte 48 sind bevorzugt unlösbar miteinander verbunden. Die Führungsplatte 48 kann auch als Leiste oder als Reihe von Rollen ausgebildet sein, doch aus Gründen der Stabilität wird eine Führungsplatte 48 bevorzugt, die sich in Bearbeitungsrichtung B vor, hinter und nach dem Werkzeug 12 erstreckt. Die Zentrierbolzen 46a, 46b richten die Führungsplatte 48 in Abhängigkeit von der Dicke der zu bearbeitenden Holzwerkstoffplatte stets auf Höhe der Mittellinie, also auf halber Höhe der Holzwerkstoffplatte aus. Die Führungsplatte 48 liegt mit ihrer Stirnfläche 50 an der Seitenfläche der zu bearbeitenden Holzwerkstoffplatte an und gewährleistet so im Zusammenwirken mit den Mitteln zum Anpressen, dass die Werkzeuganordnung mit vorgegebenem Druck an der Seitenfläche der Holzwerkstoffplatte anliegt.The means 14 for centering the tool ensure that the
Die Zentrierbolzen 46a, 46b tragen weiter eine Stütze 52, die mit ihren Enden brückenartig jeweils an einem Zentrierbolzen angebracht ist. Die Stütze 52 trägt das Werkzeug 12 einschließlich Antrieb. Das Werkzeug 12 wird also zusammen mit der Führungsplatte 48, die in mittlerer Höhe des Werkzeugs angebracht ist, angehoben oder abgesenkt, und zwar in fester, vorgegebener Relation zur vertikalen Bewegung der Hebel 38a, 38b. Die an den Tragbolzen 46a, 46b angebrachte Stütze 52 und die Führungsplatte 48 wirken also zusammen, um das Werkzeug 12 optimal auf die Bearbeitung der Seitenflächen der Holzwerkstoffplatte, hier der Kanten, einzustellen.The centering
Bei Holzwerkstoffplatten unterschiedlicher Dicke liegen die Kanten, die hier zu bearbeiten sind, in unterschiedlichem Abstand von der mittleren Höhe der Holzwerkstoffplatte. Entsprechend muss das Werkzeug 12 in unterschiedlichem Abstand von der mittleren Höhe, die mit der Lage der Führungsplatte 48 gleichzusetzen ist, ausgerichtet sein, je nach dem, ob die Kanten einer dünnen Holzwerkstoffplatte von z. B. 8 mm, von Holzwerkstoffplatten mittlerer Dicke von z. B. 16 mm bis 20 mm oder Holzwerkstoffplatten von 40 mm oder 50 mm Dicke zu bearbeiten sind. Um den optimalen Abstand des Werkzeugs 12 von der jeweils zu bearbeitenden Kante zu gewährleisten, ist eine horizontale Bewegung des Werkzeugs 12 notwendig. Diese horizontale Bewegung wird durch eine Führung gewährleistet, bei der die in den
Nach der in den
Der besondere Vorteil der in den
Das Bearbeiten der Seitenfläche von Holzwerkstoffplatten, also das Herstellen von Fasen an den Kanten, erfolgt durch automatisches Um- und Einstellen der Position des Werkzeugs 12 mit Hilfe von Mitteln 14 zum Zentrieren des Werkzeugs 12. Unter Nutzung der vorstehend beschriebenen Vorrichtung gestaltet sich das Bearbeiten der Seitenfläche einer Holzwerkstoffplatte wie folgt:
- Zuführen einer Holzwerkstoffplatte zu der Vorrichtung zum Bearbeiten der Seitenfläche
- Anpressen des Trägers an die Seitenfläche der Holzwerkstoffplatte,
- Erfassen der Plattendicke mittels der Mittel zum Erfassen der Plattendicke, Zentrieren des Werkzeugs bezogen auf die Holzwerkstoffplatte durch die Mittel zum Zentrieren, die in vorgegebener Relation zu den Mitteln zum Erfassen der Plattendicke angeordnet sind und
- Bearbeiten der Seitenfläche der Holzwerkstoffplatte durch das Werkzeug.
- Feeding a wood-based panel to the device for processing the side surface
- Pressing the support against the side surface of the wood-based panel,
- Detecting the plate thickness by the means for detecting the plate thickness, centering the tool relative to the wood material panel by the means for centering, which are arranged in predetermined relation to the means for detecting the plate thickness and
- Working the side surface of the wood-based panel through the tool.
Bei einer Ausführung gemäß der
Mit dem Anheben der oberen, beweglichen Andruckrollen 36a, 36b werden die Hebel 38a und 38b nach oben ausgelenkt. Zusammen mit den Hebeln 38a, 38b werden die in den Hebeln angeordneten Zentrierbolzen 46a, 46b in festgelegter Relation zum vertikalen Hub der oberen Andruckrollen angehoben. Die an den Zentrierbolzen 46a, 46b angebrachten Führungsplatte 48 und Stütze 52 werden mit den Zentrierbolzen angehoben. Dadurch liegt die Führungsplatte 48 auf halber Höhe an der Seitenfläche der Holzwerkstoffplatte an und bewirkt gemeinsam mit den Mitteln zum Anpressen das feste Anliegen des Werkzeugs 12 an der Seitenfläche bzw. den Kanten der Holzwerkstoffplatte. Das Werkzeug 12 wird auf die korrekte, vorgegebene Höhe bezogen auf die Dicke der Holzwerkstoffplatte eingestellt. Damit das Werkzeug exakt mit den Kanten bzw. dem überstehenden, zu entfernenden Beschichtungsmaterial in Eingriff kommt, ist es erforderlich, dass die Zentrierbolzen 46a, 46b an dem Führungslineal 54 aufwärts gleiten. Die vertikale Bewegung wird jetzt in eine horizontale Bewegung umgesetzt und das Werkzeug 12 wird durch die Mittel 14 zum Zentrieren auf die Holzwerkstoffplatte zu bis zum korrekten Abstand zur Seitenfläche der Holzwerkstoffplatte bewegt. Damit ist das Werkzeug 12 der Höhe nach und dem Abstand nach korrekt zentriert und erzeugt beim Eingriff mit der Holzwerkstoffplatte an den Kanten eine saubere Fase.With the lifting of the upper,
Damit das Werkzeug 12 eine saubere Fase erzeugen kann, ist der Träger 4 in Richtung B der Bearbeitung ausreichend lang ausgelegt, dass die Mittel 10 zum Erfassen der Dicke und die Mittel 14 zum Zentrieren sowohl vor als auch nach dem Werkzeug 12 angeordnet sind um ein gleichmäßiges Anheben bzw. Absenken sowie ein gleichmäßiges horizontales Zentrieren des Werkzeugs 12 bezogen auf die zu bearbeitende Seitenfläche zu gewährleisten.In order for the
Claims (16)
mit den Schritten
Zuführen einer Holzwerkstoffplatte zu der Werkzeuganordnung (2) zum Bearbeiten der Seitenfläche
Anpressen des Trägers (4) an die Seitenfläche der Holzwerkstoffplatte, Erfassen der Plattendicke mittels der Mittel (10) zum Erfassen der Plattendicke, Zentrieren des Werkzeugs bezogen auf die Holzwerkstoffplatte durch die Mittel (14) zum Zentrieren, die in vorgegebener Relation zu den Mitteln (10) zum Erfassen der Plattendicke angeordnet sind und
Bearbeiten der Seitenfläche der Holzwerkstoffplatte durch das Werkzeug (12).A method for processing the side surface of a wood-based panel by means of a tool assembly (2) comprising a support (4) comprising first and second support members (4a, 4b) interconnected by a hinge (8) and means for pressing the panel Carrier (4) to the wood-based panel to be processed, the second support member (4b) having means (10) for detecting the plate thickness, a tool (12) and means for centering the tool,
with the steps
Feeding a wood material panel to the tool assembly (2) for machining the side surface
Pressing the carrier (4) against the side surface of the wood-based panel, detecting the plate thickness by means of the plate thickness detecting means (10), centering the tool relative to the wood-based panel by the centering means (14) arranged in predetermined relation to the means (10) 10) are arranged for detecting the plate thickness and
Working the side surface of the wood-based panel by the tool (12).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL15172385T PL3106273T3 (en) | 2015-06-16 | 2015-06-16 | Tool assembly for machining wooden panels |
EP15172385.5A EP3106273B1 (en) | 2015-06-16 | 2015-06-16 | Tool assembly for machining wooden panels |
ES15172385T ES2781088T3 (en) | 2015-06-16 | 2015-06-16 | Arrangement of tools for machining plates of material derived from wood |
PT151723855T PT3106273T (en) | 2015-06-16 | 2015-06-16 | Tool assembly for machining wooden panels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP15172385.5A EP3106273B1 (en) | 2015-06-16 | 2015-06-16 | Tool assembly for machining wooden panels |
Publications (2)
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EP3106273A1 true EP3106273A1 (en) | 2016-12-21 |
EP3106273B1 EP3106273B1 (en) | 2020-01-08 |
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ID=53433099
Family Applications (1)
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EP15172385.5A Active EP3106273B1 (en) | 2015-06-16 | 2015-06-16 | Tool assembly for machining wooden panels |
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EP (1) | EP3106273B1 (en) |
ES (1) | ES2781088T3 (en) |
PL (1) | PL3106273T3 (en) |
PT (1) | PT3106273T (en) |
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2015
- 2015-06-16 PT PT151723855T patent/PT3106273T/en unknown
- 2015-06-16 EP EP15172385.5A patent/EP3106273B1/en active Active
- 2015-06-16 PL PL15172385T patent/PL3106273T3/en unknown
- 2015-06-16 ES ES15172385T patent/ES2781088T3/en active Active
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CH407522A (en) * | 1962-04-28 | 1966-02-15 | Schuster Roman | Device for breaking edges, in particular of plate-shaped workpieces made of wood, plastic or the like. |
CH435679A (en) * | 1963-03-08 | 1967-05-15 | Reich Maschf Gmbh Karl | Milling device |
GB1235477A (en) * | 1967-08-23 | 1971-06-16 | English Rose Kitchens Ltd | Improvements relating to edge-veneering machines |
DE1914403A1 (en) * | 1969-03-21 | 1970-10-08 | Heinrich Brandt Maschb | Milling device for removing the protruding lengthways of the strip material applied to the face of plate-shaped workpieces |
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DE7238734U (en) * | 1971-10-28 | 1973-02-15 | Zoia M | Device for trimming, deburring and chamfering edges |
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EP0571816A1 (en) * | 1992-05-25 | 1993-12-01 | PAUL OTT GmbH | Veneer application machine with trimming device |
DE19938568A1 (en) | 1998-08-21 | 2000-03-23 | Ed Heckewerth Nachf Gmbh & Co | Squaring-up process for edges of coated boards etc., involving passing board in straight line through squaring-up point where milling cutters act on two edges |
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EP1479495A2 (en) * | 2003-05-23 | 2004-11-24 | IMA Klessmann GmbH Holzbearbeitungssysteme | Method and machining center for flush milling and smoothing of edge-banding on panel shaped workpieces |
EP1834744A2 (en) * | 2006-03-16 | 2007-09-19 | BIESSE S.p.A. | Trimming-scraping unit for finishing components of wood or similar |
DE102006034437B3 (en) | 2006-07-26 | 2007-12-27 | Ima Klessmann Gmbh Holzbearbeitungssysteme | Program controlled passing machine for processing e.g. table top, has two slides that are guided parallel to passing direction and process drives that are controllable independent of each other to control process movements of servo motor |
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Also Published As
Publication number | Publication date |
---|---|
ES2781088T3 (en) | 2020-08-28 |
PT3106273T (en) | 2020-04-02 |
PL3106273T3 (en) | 2020-06-29 |
EP3106273B1 (en) | 2020-01-08 |
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