EP4257314A1 - Table de fabrication et procédé de fabrication de panneaux constitués de plusieurs panneaux - Google Patents

Table de fabrication et procédé de fabrication de panneaux constitués de plusieurs panneaux Download PDF

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Publication number
EP4257314A1
EP4257314A1 EP23166667.8A EP23166667A EP4257314A1 EP 4257314 A1 EP4257314 A1 EP 4257314A1 EP 23166667 A EP23166667 A EP 23166667A EP 4257314 A1 EP4257314 A1 EP 4257314A1
Authority
EP
European Patent Office
Prior art keywords
stop
plates
conveyor belt
production table
panels
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.)
Pending
Application number
EP23166667.8A
Other languages
German (de)
English (en)
Inventor
Carsten Kehr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kehratec GmbH
Original Assignee
Kehratec GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kehratec GmbH filed Critical Kehratec GmbH
Publication of EP4257314A1 publication Critical patent/EP4257314A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C3/00—Drilling machines or drilling devices; Equipment therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/02—Machines with table
    • B27C5/06—Arrangements for clamping or feeding work

Definitions

  • the invention relates to a production table for the production of panels which consist of a composite of several panels.
  • the several panels are then connected to produce a panel.
  • wooden boards can be “shot” together, i.e. secured to each other using metal clips or (wooden) nails.
  • vacuum tables which hold the individual plates with the help of negative pressure or suction nozzles (before and after). while connecting to a panel) in place.
  • a production table according to claim 1, and therefore in particular in that the support surface comprises at least one conveyor belt, the production table having at least one (in particular independently of the conveyor belt) movable clamping element, and one (preferably strip-like) stop against which the plates can be loaded using the clamping element.
  • the idea of the invention is to use movable elements to achieve fixation of the panels and, if necessary, even more comfortable removal of a finished panel.
  • the panels e.g. boards
  • the clamping element typically means that one of the plates acts on the stop directly and other plates act on the stop indirectly, in particular by being acted upon against further plates lying between them and the stop.
  • the plates usually lie in one plane or one layer.
  • the stop typically has a height of approximately one plate or one layer of plates. In particular, its height does not exceed this, so that in one exemplary embodiment, further layers of plates can be placed on the lowest layer of plates, which can protrude (laterally) over the lower layer of plates without the clamping element hindering this.
  • the clamping element exceeds the height of a layer of plates, for example if it is intended to be suitable for pressing several layers of plates against a stop (whereby the upper layers then typically do not extend laterally over the lower ones survive layers).
  • the stop typically has approximately the height of a layer of plates/a plate and in particular does not protrude beyond this height.
  • a higher stop can also be provided, for example in order to press several layers of plates against it.
  • the clamping element can be moved for this purpose.
  • the clamping element can be moved in particular in the direction of the stop.
  • the clamping element can be movable in particular in a direction orthogonal to the longitudinal extent of the stop.
  • the clamping element can be, for example, a projection, a nose or something similar. What is crucial is that this clamping element is movable.
  • the tensioning element can be moved with the aid of a conveyor belt or a conveyor chain, i.e. essentially on a rotating path.
  • the tensioning element can be arranged, for example, on a conveyor chain or a conveyor belt, with the tensioning element also being moved/taken along by moving the conveyor belt or the conveyor chain.
  • the force with which the clamping element can hold the panels or the position of plates can be adjusted, which will be discussed in more detail later.
  • the production table preferably has more than one clamping element, in particular two. In principle, however, it is also possible to arrange more than two clamping elements, for example three or four clamping elements or even more.
  • the loading serves to “keep the panels in place” during further processing, for example during a connection process of the panels to form a panel or other mechanical processing.
  • the application force provided by the clamping element replaces in particular the vacuum technology known from the prior art, so that suction nozzles or the like can be omitted.
  • the clamping element can preferably be moved independently of a conveyor belt of the production table.
  • the absence of suction nozzles allows the use of a conveyor belt of the production table according to the invention, for example to move finished panels out of the work area after completion of a work process.
  • a, in particular mobile, receiving unit for example a trolley, a transfer chain, an AGV system or a driverless transport system or a forklift or similar
  • a trolley, a transfer chain, an AGV system or a driverless transport system or a forklift or similar set up next to the production table.
  • the conveyor belt can (also) be moved towards the stop or in the opposite direction.
  • the conveyor belt can be moved orthogonally to the main direction of extension of the stop.
  • Such an arrangement makes it possible, optionally in a first step, for the conveyor belt to initially move the placed plates against the stop and thus pre-position the plates (in particular before the clamping element acts on the plates).
  • more than one conveyor belt is provided, for example two or three, which are arranged in particular parallel to one another, in particular in order - depending on the chain pitch - to enable one or more evenly movable support surface(s) individually, together or in groups.
  • An embodiment has proven to be particularly advantageous in which the conveyor belt and the tensioning element are arranged parallel to one another, in particular directly next to one another.
  • the conveyor belt and tensioning element can thus be moved in the same direction.
  • the tensioning element can be moved independently of said conveyor belt, so that it can be moved away from the finished panels, for example after loading the panels against the stop. This means that they can be further processed or transported if necessary without the clamping elements getting in the way.
  • the conveyor belt can advantageously be a link chain, which is particularly robust, or any other shape or type of conveyor chain.
  • the top of the conveyor belt forms the support surface of the production table and the lower side of the conveyor belt is typically moved out of the area of the support surface, namely into a (revolving) position below it.
  • the production table is used to produce panels, which in turn consist of several panels.
  • plates are understood to mean essentially flat, plate-like bodies, for example strips, boards, but also square plates or the like.
  • these plates typically have a homogeneous thickness.
  • the plates are usually rectangular.
  • the panels consist, for example, of wood or other suitable materials such as plastic, sheet metal or similar.
  • the panels can be wooden boards, composite panels, PVC panels, Fermacell panels, OSB panels, chipboard, plasterboard or similar.
  • a panel is a composite or connection of (similar) panels or plates arranged in one layer.
  • the panels are connected to each other to form a panel (possibly via a second layer or via an overlying panel).
  • a panel typically consists of a layer of plates.
  • the idea of the invention also includes a body consisting of several arranged one above the other on a production table Panels are formed.
  • the panels in a bottom layer can be connected to a layer of panels arranged above, which corresponds to two panels arranged one above the other.
  • the invention also includes the fact that a layer of plates is combined into a panel by arranging them on a common fastening surface (for example, the plates can first be pressed against the stop with the help of the clamping elements, in particular fixed to one another, and A common mounting plate can then be placed on the finished or prepared panel and connected to the plates).
  • Panels can be used in particular in building construction, for example as wall or ceiling cladding, in multiple layers as solid walls (in wall construction), for creating gables, knee joints, jambs, stud frames, or in completely different areas of application, depending on where such panels are needed.
  • the alignment of the individual panels of a layer or panel can differ from the alignment of the panels of a layer or panel located above.
  • the panels placed on a bottom layer of panels can be laid transversely.
  • the individual panels can then be attached to each other, for example, using clamps (for example, attached to panels lying next to one another) or by nails (in the event that panels lying one above the other are attached to one another) or similar.
  • the tensioning element can be moved parallel to the conveyor belt. This essentially means - as already explained above - an identical or parallel direction of travel of the tensioning element and conveyor belt. If several clamping elements or conveyor belts are provided, they can all be movable in parallel.
  • the tensioning element protrudes beyond the surface of the conveyor belt.
  • the tensioning element can (permanently) protrude above the surface of the conveyor belt in any of its positions.
  • the clamping element does not protrude beyond the height of a layer of panels or beyond the height of a panel, in particular in order to be able to carry out the further, optional work steps already described above, in which panels of an upper layer over the contour of the from the lowest panel.
  • the tensioning element has a chain or belt-like drive element.
  • the tensioning element is arranged on a chain or a belt, which in particular can also be referred to as a conveyor belt.
  • this chain or belt springs back behind the surface of the conveyor belt.
  • This can be, for example, a metal chain or something similar, which, like the conveyor belt, is preferably designed to be circumferential.
  • the tensioning element can be attached to one point of this chain or belt-like drive element and thus be rigidly assigned to a section of the drive element.
  • the drive for the clamping element (or the drive element) is designed to be adjustable.
  • the production table can be adjusted for the intended application. For example, depending on the material and/or dimensions of the plates, larger or smaller impact forces may be necessary from the clamping element.
  • clamping elements it is advantageous if the drive elements of the clamping elements are synchronized so that an adjustment or adjustment of the loading force applies to all clamping elements.
  • the clamping element can be moved into an under-table position. This applies in particular in the case that the tensioning element can be moved independently of the conveyor belt.
  • the clamping element can be moved out of the working area of the production table above the support surface, for example in the event that further elements are to be laid out on the production table, for which a clamping element located in the area of the support surface would be disruptive.
  • the under-table position here means a position in which the clamping element is not located in a plane above the support surface, but below the support surface, i.e for example on the underside of a rotating, chain or belt-like drive element or to the side of (but below) the support surface.
  • the synchronous circuit also enables the application force to be regulated with little effort, in particular for both clamping elements with a common setting.
  • the stop is aligned essentially perpendicular to the direction of travel of the tensioning element and/or conveyor belt.
  • the tensioning element in particular has a travel direction which leads towards the stop or which leads perpendicularly/orthogonally to the line along which one or more stop elements extend (in this respect, a plurality of aligned stop elements can also be viewed as a stop) .
  • the stop can be adjusted from its stop position into a release position. In this way, a particularly high level of flexibility of the production table can be achieved.
  • plates can be loaded against the stop in the stop position (by the clamping element) in order to achieve a fixation or fixation of the plates on the support surface.
  • the stop can then be adjusted to a release position and release the finished panel. This can then, for example, be moved (with the help of the conveyor belt) beyond the area in which the stop is in its stop position (since the stop is no longer in the stop position but in the release position and is therefore out of the way) .
  • the stop is preferably pivoted for this purpose.
  • the stop can provide a pivot axis.
  • the stop can be pivoted from a stop position, for example, into an under-table position, typically by approximately 180°. In this way, the edge area of the production table in particular can be released to allow better access to the finished panel.
  • the production table has an additional alignment stop.
  • an additional alignment stop which is provided in addition to the (main) stop described above, enables additional securing of the panels on the table.
  • the alignment stop can in particular be provided orthogonally or perpendicular to the (main) stop, in which case the two stops together form a right angle.
  • clamping elements continue to pressurize the plates (exclusively) against the stop and not against the alignment stop.
  • the alignment stop is therefore typically not adjustable or movable, but rather rigid on the production table.
  • an adjustable alignment stop can of course also be provided, for example in the event that you also want to enable the user to access the finished panel from the side.
  • alignment stops can also be provided, for example a further alignment stop, which runs on another production table side, also orthogonal or perpendicular to the (main) stop.
  • the alignment stops or the alignment stop can also be called side stops or side stops.
  • the alignment stops can thus be aligned parallel to the direction of travel of the tensioning element and/or conveyor belt.
  • the conveyor belt is designed as a link chain.
  • This can in particular be a plastic link chain, since such a chain is particularly resistant to failure and requires little maintenance, or alternatively, for example, a (stainless) steel chain.
  • link chain runs over a metal base surface.
  • the base surface can be a sheet, in particular a stainless steel sheet, which rests on a structure.
  • the method according to the invention therefore also includes, in particular, connecting the several panels to form a panel.
  • This connection can be done manually or, which is generally preferred, be automated (for example with the help of a robot or similar).
  • the attachment can be done with the help of connecting means.
  • the connecting means can be, for example, clips or nails, screws or the like made of a suitable material, such as metal, plastic or wood.
  • a method can also be provided in which the conveyor belt moves after completion of the fastening process in order to move the finished panel, in particular off the production table.
  • the stop can be moved into an under-table position beforehand.
  • a system should also be considered disclosed which includes a production table with at least one robot, the robot serving in particular to use the fastening means for fastening the panels to one another and/or to place the panels on the production table and /or removing the finished panel from the production table.
  • Fig. 1 first shows a very schematic, isometric oblique view of a production table 10 according to the invention in a rest position.
  • This rest position of the production table 10 is characterized in particular by the fact that there are no plates to be processed on its support surface 12 and clamping elements according to the invention cannot be seen since they are in an under-table position, below the support surface 12 or the top of the table.
  • the support surface 12 is provided in the production table 10 according to the invention by at least one conveyor belt 11, in the present exemplary embodiment by exactly three conveyor belts 11a, 11b, 11c (which of course could also be more or fewer conveyor belts).
  • the conveyor belts 11 are arranged in parallel and/or are designed as revolving endless belts, which can be seen in particular in a first end region 13 of the production table.
  • the support surface 12 of the production table 10, and thus also the conveyor belts 11, are supported by any suitable base frame 14 of the production table 10 in such a way that a desired height H for the support surface 12 is achieved, which enables comfortable work.
  • Each drive element 15 serves to move an in Fig. 1 Clamping element not yet shown but explained in more detail later.
  • the drive elements 15 are also designed as endlessly rotating belts or as endlessly rotating chains.
  • the drive elements 15 do not protrude upwards over the support surface 12, but rather typically jump back slightly behind it (even if this does not appear that way in the figures, since the drive elements 15 are shown exaggerated for reasons of clarity).
  • the drive elements 15 can also be moved along a travel direction V (which is approximately aligned in the longitudinal direction L of the production table 10).
  • the production table 10 At its second end region 16 (opposite to the first end region 13 in the direction of travel V or in the longitudinal direction L), the production table 10 has a stop 17, which is designed in particular in the manner of a bar. This stop 17 protrudes above the support surface 12 and thus provides an edge for the support surface 12.
  • the strip-like stop 17 is aligned in particular orthogonally to the travel direction V or to the longitudinal extension L, i.e. in particular along a width extension direction B of the table.
  • a further stop namely an alignment stop 19, is arranged in a first edge region 18 of the production table 10. This is aligned parallel to the longitudinal direction L or to the travel direction V and is typically arranged immovably on the production table 10 (in contrast to the stop 17, which will be explained in more detail later).
  • Fig. 2 shows the same production table 10 in the same view in a subsequent process step. So clarified Fig. 2 First of all, that the at least one clamping element 21 according to the invention has been moved from a rest position or under-table position into a preparation position, in which it protrudes over the support surface 12 of the production table. In the present case, exactly two clamping elements 21a and 21b are provided. One of each is made by one the chain or belt-like drive elements 15a and 15b move, namely in the direction of travel V.
  • Fig. 2 can be seen is that in this position several plates 22, in the present exemplary embodiment in the manner of wooden boards, were placed on the production table 10, namely essentially in the second end region 16, next to the stop 17.
  • the plates 22 designed as wooden boards are located here in one position and are aligned essentially parallel to the stop 17 or in the direction of the width extension B of the production table 10.
  • the plates 22 can, for example, have been placed manually by an indicated user 23 or alternatively by a robot 24 (or robot arm), also indicated.
  • the plates 12 are moved slightly against the stop 17 (or in its direction) (with little force) by moving the conveyor belts 11a, 11b, 11c in order to pre-adjust the plates 22.
  • a pre-adjustment step does not have to take place.
  • the plates 22 When placed, the plates 22 can be arranged flush, in particular with the help of the lateral alignment stop 19.
  • the conveyor belts 11 can, for example, be those with a link structure, i.e. link chains, preferably made of plastic.
  • Fig. 2b in Fig. 2 shows, however, that the conveyor belt 11 can be guided in the manner of a link chain over a metal base 25, for example a stainless steel sheet.
  • the stainless steel sheet can in turn rest on a table core 26, for example made of wood or similar.
  • the design of the link chain made of plastic and the design of the base 25 made of metal or sheet metal enable a particularly insensitive design of the conveyor device:
  • connecting means such as nails or the like used to later fix the plates 22 can be accidentally inserted into the link chain 11 break through, can be easily removed from it again, with no impairment of the function of the conveyor device (except for possible holes in the chain 11).
  • the connecting means penetrates, it is prevented from further penetration into the table or the table core 26 by the metal base 25 at the latest and slips on the base 25, so that no damage or impairment of the functional process occurs.
  • the plates 22 are now processed in accordance with Fig. 3 the crucial step of adjusting or fixing the plates 22 on the production table 10, which replaces the complex suction or vacuum process known from the prior art:
  • the clamping elements 21 are moved from the position according to Fig. 2 into a working position according to Fig. 3 (in the direction of travel V) with the help of the respective drive elements 15 in the direction of the stop 17 until they abut the outermost plate 22a of the plates 22 resting on the support surface 12 (the conveyor belts 11 typically do not move here).
  • the clamping elements 21 are configured in terms of their driving force in such a way that they push the plates 22 together and press them against the stop 17, but it is reliably prevented that the applied clamping force is so great that the plates 22 move upwards.
  • the optimal force required for this can, for example, be pre-measured and set by the manufacturer or can be set manually by the user at a central control (not shown) at the place of use of the production table 10.
  • clamping elements 21a and 21b are connected synchronously, i.e. H. So in particular both are subject to exactly the same driving force and are assigned to the same position in the direction of travel V.
  • the plates 22 lie as in Fig. 3 shown, under tension on the stop 17, a further, arbitrary, desired work step can be carried out:
  • the plates can in particular be "shot" together, i.e. fixed to one another with the help of fasteners. Two corresponding examples of this are in the 4a and 4b shown, with the production table 10 being omitted in both figures for the sake of clarity.
  • Fig. 4a first shows (as an example only two) plates 22, which have a more or less wide, rectangular shape, the plates being, for example, PVC or plasterboard or similar.
  • Fig. 4b then shows two layers of plates 22, the plates 22 all being designed as (wooden) boards.
  • the lower layer 29 of boards 22 essentially corresponds to an arrangement like that in Fig. 3 is shown.
  • An upper layer 30 can then be placed manually or via the robot mentioned, for example in a transverse orientation to the lower layer 29.
  • the boards of the upper and lower layers 29, 30 are then fastened to one another using fasteners in the manner of (wooden) nails.
  • the fastening means for example in the manner of nails 31 according to Fig. 4b or in the manner of brackets 27 according to Fig. 4a , can be used manually for fastening or automated, for example with the help of one or the in Fig. 2 robot shown.
  • an upper layer 30 can, for example, also be provided by a continuous element or something similar.
  • the upper layer 30 can also overlap the lower layer 29, which is made possible in particular by the fact that both the height a of the stop 17 and the height h of the clamping element 21 are not greater than the height I of a layer of plates 22 or a panel height.
  • Fig. 5 shows a release position of the production table 10, in which the clamping elements 21 (as already in Fig. 1 ) move back into a rest position or under the table position and therefore in Fig. 5 are no longer visible.
  • the stop is now also 17 in Fig. 5 no longer visible because it has also been moved to a rest position, in particular pivoted. This indicates the very schematic Fig. 5a on, as evidenced by which the stop 17 is pivoted downwards around a pivot axis 32, so that the second end region 16 is now exposed.
  • a rolling table 33 or another movable device such as a forklift or similar has been moved to the second end region 16 of the production table 10 and can pick up the finished panel 28 moved by the conveyor belts 11 beyond the second end region 16 (not shown).
  • the finished panel 28 could also be moved out of the work area with the help of the conveyor belts 11 in the other output direction, i.e. over the opposite, first edge region 13 of the table 10.
  • the process described can begin again.
  • the stop 17 is first returned to its position Fig. 1 position shown pivoted.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Specific Conveyance Elements (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
EP23166667.8A 2022-04-07 2023-04-05 Table de fabrication et procédé de fabrication de panneaux constitués de plusieurs panneaux Pending EP4257314A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022108441.8A DE102022108441A1 (de) 2022-04-07 2022-04-07 Fertigungstisch und Verfahren zur Herstellung von aus mehreren Platten bestehenden Paneelen

Publications (1)

Publication Number Publication Date
EP4257314A1 true EP4257314A1 (fr) 2023-10-11

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Application Number Title Priority Date Filing Date
EP23166667.8A Pending EP4257314A1 (fr) 2022-04-07 2023-04-05 Table de fabrication et procédé de fabrication de panneaux constitués de plusieurs panneaux

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EP (1) EP4257314A1 (fr)
DE (1) DE102022108441A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189682B1 (en) * 1995-05-31 2001-02-20 David A. Hill Position control apparatus and method for controlling the movement of a block in a woodworking machine
US20040163930A1 (en) * 2002-12-03 2004-08-26 Western Pneumatics, Inc. Crossover conveyor apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19518654A1 (de) 1995-05-20 1996-11-21 Schenk Werkzeug Und Maschinenb Verfahren und Anlage zur Herstellung von Bauteilen
EP0812252A1 (fr) 1995-11-14 1997-12-17 FMG Verfahrenstechnik AG Procede et dispositif pour la production de corps fa onnes longitudinaux realises dans un materiau coulable, notamment de radiers
DE19903358C1 (de) 1999-01-28 2000-03-02 Pries, Horstmann & Co. Maschinenbau Gmbh & Co. Kg Verfahren und Vorrichtung zur Montage eines Möbel-Korpus
PL3085494T3 (pl) 2015-04-24 2017-11-30 Ferdinand Erlmann Werkzeugbau Gmbh & Co. Urządzenie i sposób obróbki okładzin hamulcowych zamontowanych na nośnikach okładzin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6189682B1 (en) * 1995-05-31 2001-02-20 David A. Hill Position control apparatus and method for controlling the movement of a block in a woodworking machine
US20040163930A1 (en) * 2002-12-03 2004-08-26 Western Pneumatics, Inc. Crossover conveyor apparatus

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR