Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
  • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
  • B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
  • B27F1/02—Making tongues or grooves, of indefinite length
  • B27F1/06—Making tongues or grooves, of indefinite length simultaneously along opposite edges of a board
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
  • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
  • 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

Definitions

• the present invention relates to a device for producing or processing panels, comprising a transport device for transporting a panel along a transport path and a processing device for processing the panel during its movement through the transport device, wherein the transport device has a plurality of positioning devices which along the
• Transport path are arranged one behind the other at a distance from each other and which each comprise: an upper and a lower bearing means, which are opposite to each other at a distance from each other on a panel plane, and an adjustment means with which the distance between the attachment means is adjustable.
• Devices of this type are known in the field of manufacturing or processing of panels and generally comprise an upper and a lower revolving endless belt whose transporting strands are guided parallel to one another at a distance from one another. Between the transporting strands of endless belts to be transported panels are frictionally received and moved in the transport direction. Along the transport path of the endless belts usually processing facilities are arranged, which subject the lateral edges of the panels of a machining. In particular, milling tools of various types are used as machining devices which form a groove on one longitudinal side or one transverse side of the panel and form a corresponding spring on the opposite longitudinal side. Panels of this type can be joined in the known tongue and groove connection, for example, to a floor surface of a room.
• the known devices of the type mentioned therefore comprise said positioning means having an upper and a lower abutment means and with the adjusting means for adjusting the distance between the abutment means.
• a correspondingly large number of positioning devices along the transport device is required.
• Object of the present invention is to provide a device of the type mentioned above, which reduces the associated with a change of the panel type to be machined adjustment of the device and increases the efficiency of the device.
• the present invention provides a device of the aforementioned type, in which the adjusting means of at least two positioning means by means of a common actuating arrangement are simultaneously actuated.
• the device according to the invention thus allows a significant reduction in the time required for an operator to adjust the apparatus as well as a reduction in the downtime of the apparatus due to the adjustment operation. As a result, a more economical overall operation of the device is achieved.
• the actuator assembly comprises a drive rod assembly.
• a drive rod arrangement offers the possibility of a structurally simple, but reliable mechanical movement coupling of the adjustment movements of the individual associated positioning devices. It is particularly advantageous then possible to connect all of the actuating arrangement associated adjustment via a common drive rod together, so then only a single drive rod is required for multiple positioning.
• each of the adjustment devices preferably has a drive rod coupling for coupling to the common drive rod.
• the drive rod is a threaded rod which has threads at least in the adjustment units and that the drive rod couplings have mating threads that engage the threaded rod.
• a Dreheinstellterrorism the threaded rod By using a threaded rod in cooperation with a mating thread of the drive rod couplings, a Dreheinstellterrorism the threaded rod, which is carried out by an operator or an actuator in a simple manner to be implemented in a translational adjustment movement of the associated adjustment.
• the reduction effect of the threaded engagement can be utilized in order to reduce the force required for the adjustment and to carry out an adjustment of the distance between the attachment means with high precision. According to such requirements, the pitch of the threads used can be selected.
• each of the actuator assembly associated adjustment means comprises a motion conversion device which converts the transport path substantially parallel adjustment movement of the drive rod coupling in an orthogonal to the panel plane adjustment movement for displacement of at least one of the abutment means.
• each of the two abutment means has its own adjustment means in at least one of the adjustment devices associated with the actuation arrangement, wherein the two adjustment means can be actuated independently of one another are.
• the distance between the abutment means be tuned to the plate thickness of a particular type of panel, but the absolute height of the panel positioned by the positioning means per se, ie the vertical position of the panel with respect to the processing means , change.
• each of the two abutment means has its own adjustment means, then it can be provided that only one of the two adjustment means can be actuated via the common drive rod.
• the common actuator assembly may be used to adjust the position of the upper abutment means to accommodate a desired panel type of particular panel thickness, while the lower abutment means may be individually adjusted on each positioner for the less frequent change in vertical position of the panel.
• only the lower adjusting means can be adjusted by the common actuating arrangement or the common actuating arrangement is adapted to move both bearing means simultaneously.
• each of the abovementioned embodiments can be configured such that at least one of the adjustment devices associated with the actuating arrangement further comprises a Einzeljustier Rhein with which the distance between the means of this adjuster is independent of the distances between the means of adjustment of other adjustment devices adjustable.
• a Einzeljustier coupled with which the distance between the means of this adjuster is independent of the distances between the means of adjustment of other adjustment devices adjustable.
• the addressed Einzeljustier can structurally simple but rather very reliable manner be designed so that at least one of the actuator assembly associated adjustment has a substantially orthogonal to the panel plane movable first slide, which is connected to the motion conversion device, and a substantially orthogonal to the panel level second borrowed carriage, on which the at least one of
• Investment means is coupled or formed, wherein a distance between the first carriage and the second carriage in orthogonal direction to the panel plane by the Einzeljustier till is adjustable.
• At least one of the actuating arrangement associated adjustment further femer a biasing device comprises, by means of which the upper and / or the lower investment means in the direction of a reduction of the distance between the investment means out with a certain Biasing biasing force is elastically biased, in which case the biasing force of the biasing means can be adjusted by a VornapsseinstellISSISSISS the adjustment.
• a panel to be transported and positioned with a defined biasing force can be frictionally held between the abutment means, wherein the preload force can optionally be adapted to different panel types or to a desired positioning accuracy.
• the motion conversion device and / or optionally the individual adjustment device or / and optionally the preload adjustment device a control cam mechanism, in particular a wedge slide mechanism or a gate mechanism.
• Such cam mechanisms work particularly reliably and can be easily designed and manufactured according to the requirements in terms of power transmission and direction of movement.
• Fig. 1 is a schematic representation of a device according to the invention according to a first embodiment in side view.
• Fig. 2 shows a front view of a positioning device of the transport device shown in Fig. 1.
• FIG. 3 shows a rear view of the positioning device shown in FIG. 2.
• FIG. 4 shows a side view of the positioning device shown in FIG. 2.
• an apparatus for processing panels is generally indicated at 10.
• the device 10 comprises three milling tools 12, which are shown only schematically as rectangles in Fig. 1.
• the panels are to be processed so that at its one longitudinal side a groove and on its opposite longitudinal side of the geometry of the groove corresponding spring is formed.
• the apparatus 10 has a transport device with an upper conveyor belt 14 and a lower conveyor belt 16. Both conveyor belts 14, 16 each have an endless belt 18, which in each case arranged around at the ends of the conveyor belts 14, 16 Um- Turn around castors 20. About brackets 22, the guide rollers 20 are each rotatably mounted on a frame 24, wherein the two frames 24 of the upper and lower conveyor belt 14 and 16 are attached to a common support structure 26 which supports the device 10 fixed to the ground B.
• the two conveyor belts 14, 16 are held in a fixed relative position to each other, in which they are substantially parallel to each other, in such a way that a formed by a lower run 28 of the upper conveyor belt 14 Transporttrum 28 at one by an upper Trum 30 of the lower conveyor belt 16 formed Transporttrum 30 is applied or has a uniform distance from this, which corresponds approximately to the plate thickness of a panel or less.
• Upper conveyor belt 14 and lower conveyor belt 16 are thus on both sides of a horizontal panel plane P opposite and thus can pick up a panel between the Transporttrum 28 of the upper conveyor belt 14 and the Transporttrum 30 of the lower conveyor belt 16 and transport in a transport direction T, wherein the panel during a entire transport through the device 10 is substantially aligned in the panel plane P.
• this vertical positioning is taken over by three positioning devices 32 arranged one behind the other along the transport direction T, which are also shown only schematically in FIG.
• the positioning devices 32 each have an upper abutment means 34 and a lower abutment means 36 which are spaced apart from each other to receive a panel between them.
• the distance between the abutment means 34, 36 can be adjusted via an adjustment device 38, which is likewise only indicated in FIG.
• a threaded rod 40 extends parallel to the transporting direction T and extends over the regions of all positioning means 32 along a large part of the length of the upper conveyor belt 14.
• the threaded rod 30 is in each case on the frame 24 of the upper conveyor belt fourteenth mounted bearing portions 42 rotatably, but axially immovable, stored.
• On the threaded rod 40 further engages an actuator 44 for rotational actuation of the threaded shaft 40, which is illustrated in Fig. 1 schematically by an attached at one end of the threaded rod 14 crank 44.
• the adjusting devices 38 of all three positioning devices 32 are in each case movement-coupled with the threaded rod 40, so that rotational movement of the threaded rod 40 by the actuating device 44 in each of the positioning devices 32 into an adjusting movement to be described below the adjusting means 38 is implemented.
• FIGS. 2, 3 and 4 show more detailed views of one of the three positioning devices 32. Dashed lines indicate a partial section of the threaded rod 40 whose rotational movement results in an adjusting movement of the adjusting device 38 for changing a distance h between the upper abutment means 34 and the lower one
• the adjustment device 38 converts the rotational movement of the threaded rod 40 into a vertical displacement movement of the upper abutment means 34.
• a threaded stud 46 is placed on the threaded rod 40, which has an external thread of the threaded rod 40 corresponding internal thread, so that it upon rotation of the non-displaceably mounted in the axial direction threaded rod 40 a shift in
• Transport direction T or in the opposite direction performs.
• a pin 48 of the threaded rod 46 is slidably inserted into an elongated recess 52 of a rocker 50, which is rotatably mounted on a fixed frame 54 of the positioning device 32.
• the rocker 50 has at its opposite end a second elongated recess 56 into which a pin 58 of a slider 60 is inserted.
• the slider 60 is mounted on the frame 54 at two displacement bearings 61 so that it can only reciprocate parallel to the transport direction T and forth.
• two further pins 62 are formed or fixed, which engage in inclined to the horizontal plane slots 64 of a first carriage 66.
• the first carriage 66 is guided on the frame 54 so that it can move up or down only in the vertical direction. With a displacement of the slider 60 parallel to the transport direction T, therefore, the pins 62 of the slider 60 run along the oblique slots 64 and thus move the first carriage 66 in the vertical direction.
• a second carriage 70 is guided vertically displaceable.
• a distance between the first carriage 66 and the second carriage 70 in the vertical direction is determined by an adjusting wedge 72, which is arranged in the vertical direction between the first and the second carriage 66, 70.
• the Justierkeil 72 has on its underside inclined to the horizontal plane extending wedge surfaces 74 which abut corresponding wedge surfaces 76 on the upper side of the second carriage 70.
• An adjusting screw 78 mounted on the frame 54 moves the adjusting wedge 72 in parallel to the transport direction T back or forth, so that the wedge surfaces 74, 76 slide against each other and in this way the distance between the first carriage 66 and the second carriage 70 is adjusted.
• the second carriage 70 Similar to the first carriage 66, the second carriage 70 also has a recess 80 in its lower region, wherein the recess 80 has an inwardly projecting flange 82 at its lower end. At this inner flange 82, an outer flange 84 of an approximately T-shaped coupling portion 86 can be supported, which is integrally connected to the upper abutment means 34. An abutment between the outer flange 84 of the coupling portion 86 and the inner flange 82 of the second carriage 70 defines a maximum distance between the second carriage 70 and the upper abutment means 34 vertically slidably supported thereto.
• the vertical displacement of the coupling portion 86 of the upper abutment means 34 in the second carriage 70 is under the influence of a bias by a tensioning device 88, which is symbolized in Fig. 2 by two springs 88.
• the clamping device 88 is supported on the one hand on the coupling portion 86 and on the other hand on a third carriage 90 and biases the coupling portion 86 in the direction of abutment between the outer flange 84 of the coupling portion 86 and the inner flange 82 of the second carriage 70.
• the third carriage 90 is also guided vertically displaceably in the recess 80 of the second carriage 70 to the bias of the third carriage 90
• Vorditionseinstellz a Vorditionseinstellkeil 92 is disposed between the third carriage 90 and the second carriage 70, which is similar to the operating principle of the Justierkeils 72 described above parallel to the transport direction T displaceable and by means of Towinkling oblique wedge surfaces at the top of the third carriage 90 and Bottom of Vortheseseinstellkeils 92 makes the vertical distance between the second carriage 70 and third slide 90 adjustable.
• the movement of the preload adjusting wedge 92 required for bias adjustment is accomplished using a preload adjustment screw 94 mounted on the frame 54.
• the positioning shown in Fig. 2 also provides the ability to adjust the vertical position of the lower abutment means 36 and set in this way the absolute vertical position of a positioned in the positioning device 32 panel.
• the lower adjustment means 36 is vertically slidably guided on the frame 54, wherein a vertical distance between the second abutment means 36 and a lower portion 55 of the frame 54 is determined by a Einstellkeil 96.
• the adjusting wedge 96 is disposed between the lower abutment means 36 and the lower portion 55 of the frame 54 and has on its upper side obliquely to the horizontal plane extending wedge surfaces 98 which bear against corresponding oblique wedge surfaces 100 on the underside of the lower abutment means 36.
• the adjustment wedge 96 is displaced by an adjusting screw 102 in a direction parallel to the transport direction T, the wedge surfaces 98, 100 slide against one another and shift the lower abutment means 36 accordingly in the vertical direction.
• the actuator 44 is activated, which rotates the threaded rod 40 by a certain amount.
• the threaded rod 40 is then rotated so that the threaded rod 46 moves a certain distance in Fig. 2 to the right.
• the rightward movement of the threaded piece 46 is converted by the rocker 50 into a displacement of the slider 60 to the left and the left-hand shift of the pins 62 caused thereby.
• This downward movement of the carriage 66 is then transmitted via the second carriage 70, the third carriage 90, the tensioning device 88 and the coupling portion 86 finally to the upper abutment means 34, which then also shifts downwards by the desired amount.
• Plant pressure can generate, with which the upper abutment means 34 is pressed against the panel.
• the adjustment means 38 of all the positioning means 32 of the device 10 can be adjusted simultaneously by turning the common threaded rod 40 to a new panel type with a smaller plate thickness.
• the corresponding reverse adjustment by rotation of the threaded rod 40 in the opposite direction can be carried out when the device 10 is to be prepared for processing thicker panels.
• each of the adjusters can also be readjusted individually by the adjusting screw 78 in the manner described.
• the possibility of adjusting the bias of the clamping device 88 also has the advantage that in the case of wear of the endless belt 18 of the upper conveyor belt 14, the positioning device 32 can be adjusted by adjusting the biasing force according to this wear, without causing it to an adjustment of the first carriage 66 or the second carriage 70 and thus to an adjustment of the distance h between the attachment means 34, 36 comes in the unloaded state.
• the disadvantage occurring in conventional devices can be avoided that also changes the adjustment of the distance h in an adjustment of the device to the wear of the upper belt, so that there is a change in pressure on the material through the upper investment means, resulting in these Prior art devices can lead to scratches or damage to the panels.

Landscapes

• Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Wood Science & Technology (AREA)
• Mechanical Engineering (AREA)
• Forests & Forestry (AREA)
• Automatic Assembly (AREA)
• Sewing Machines And Sewing (AREA)
• Preparation Of Compounds By Using Micro-Organisms (AREA)
• Chain Conveyers (AREA)
• Structure Of Belt Conveyors (AREA)
• Feeding Of Workpieces (AREA)
• Polymerisation Methods In General (AREA)
• Securing Of Glass Panes Or The Like (AREA)

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• 2006
  • 2006-07-31 DE DE102006035648A patent/DE102006035648A1/de not_active Withdrawn
• 2007
  • 2007-07-30 WO PCT/EP2007/006732 patent/WO2008014963A1/fr active Application Filing
  • 2007-07-30 PL PL07801471T patent/PL2046545T3/pl unknown
  • 2007-07-30 US US12/375,652 patent/US8141694B2/en active Active
  • 2007-07-30 RU RU2009107206/03A patent/RU2393082C1/ru active
  • 2007-07-30 ES ES07801471T patent/ES2334854T3/es active Active
  • 2007-07-30 EP EP07801471A patent/EP2046545B1/fr active Active
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  • 2007-07-30 CN CN200780032744XA patent/CN101511552B/zh active Active
  • 2007-07-30 JP JP2009522157A patent/JP5197594B2/ja not_active Expired - Fee Related
  • 2007-07-30 AT AT07801471T patent/ATE452012T1/de active
  • 2007-07-30 AU AU2007280674A patent/AU2007280674B2/en not_active Ceased
  • 2007-07-30 UA UAA200901718A patent/UA98307C2/ru unknown
  • 2007-07-30 MX MX2009001166A patent/MX2009001166A/es active IP Right Grant
  • 2007-07-30 CA CA2658742A patent/CA2658742C/fr active Active
  • 2007-07-30 DE DE502007002357T patent/DE502007002357D1/de active Active

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