AU2006201904B2 - Planer/Sander Wood Machine - Google Patents

Planer/Sander Wood Machine Download PDF

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Publication number
AU2006201904B2
AU2006201904B2 AU2006201904A AU2006201904A AU2006201904B2 AU 2006201904 B2 AU2006201904 B2 AU 2006201904B2 AU 2006201904 A AU2006201904 A AU 2006201904A AU 2006201904 A AU2006201904 A AU 2006201904A AU 2006201904 B2 AU2006201904 B2 AU 2006201904B2
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Australia
Prior art keywords
gantry
guide
rail
axis
adapted
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AU2006201904A
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AU2006201904A1 (en
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Leslie John Owen
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Leslie John Owen
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Priority to AU2005902332A priority patent/AU2005902332A0/en
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Priority to AU2006201904A priority patent/AU2006201904B2/en
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Description

AUSTRALIA Patents Act 1990 LESLIE JOHN OWEN COMPLETE SPECIFICATION STANDARD PATENT Invention Title: Planer/Sander Wood Machine The following statement is a full description of this invention including the best method of performing it known to us:- 2 Cross-Reference to Related Applications The present application claims priority from Australian Provisional Patent Application No 2005902332 filed on 9 May 2005, the content of which is incorporated herein by reference. 5 Introduction to the Invention This invention relates to a machine tool of the type designed to service large work pieces. In particular work pieces of the type found in large slabs of timber where substantial expanses of a work piece require machining and levelling to a high degree 10 of accuracy. Background to the Invention The machining of large pieces of wood or wood related material, particularly of a type which occur when large slabs or flitches of timber require machining, pose 15 particular problems for the machinist if a refined or high level of machining and finish are required of the finished product of the tool. Traditionally timber logs are prepared in a timber mill by way of large band sawing operations or small scale operations including preliminary machining which can be accomplished by chainsaw mills. Such mills are readily available and provide a tracking or guide system for operating a 20 chainsaw such as a horizontally positioned log or piece of work can be sawn horizontally into a series of slabs by the controlled movement and guiding of a large chainsaw with the use of an apparatus known as a chainsaw mill. While such machining accomplishes a task of reducing a wooden log to a series of slabs or flitches, the very nature of chainsaw mill operations and even industrial 25 band saw mills results in a very rough and preliminary machining finish which leaves the task for the furniture builder or cabinet maker to dress the slab product into a more suitable form for production of furniture and the like. Such machining is traditionally accomplished by way of joiners and thicknesses, which plane the surface of a wooden slab to the required dimensions. Similarly drum sanding devices can accomplish a 30 similar result. However, such devices when put to the task of machining large dimensions of slabs of timber result in very heavy duty and expensive apparatus which is not readily available outside of the commercial and industrial sphere. One object of the invention is to provide an improved guide for a machine tool or a tool drive adapted for surface dressing and finishing large slabs of timber or similar products where the 35 guide can be readily adjusted and fine tuned to control the action of a cutting tool and/or sanding tool. m:\specifications\500000\504000\504319cmpmaw.doc 3 Whilst prior art machines are available for mounting cutting and sanding tools in the manner of the machine described above; when large cutting tools are used or sanding disks having a substantial surface or working area in contact with the work piece, prior art tools are often found to be deficient particularly in their inability to fine 5 tune and very precisely align the working face of the tool in a plane corresponding precisely with the plane of the work piece in question. One object of the invention is to provide an improved machine tool guide. Statement of the Invention 10 In a first aspect the invention provides a guide for a machine tool or tool drive for moving a surfacing tool over the substantive surface of a work piece said guide comprising a guide means adapted for positioning over said work piece, said guide means including two horizontal spaced apart guide rails and a gantry adapted for linear travel along said guide rails along an X axis wherein said gantry includes a gantry rail 15 adapted to bridge said spaced apart guide rails, a pair of gantry arms fitted to either end of said gantry rail each having a gantry foot for cooperating with said guide rail wherein said tool drive is fitted to said gantry by a gantry mount adapted for lateral movement along the length of said gantry in a Y axis, said mount including a vertical Z axis height adjustable face plate for mounting said tool drive wherein the fitting of said 20 gantry rail to said guide rails is adjustable about said X axis and the fitting of said tool drive to said gantry mount is adjustable about said Y axis such that the cutting face of a tool fitted to said drive can be adjusted to correspond to the surface planar face of said work piece without the need to clamp said work piece to said guide. The adjustment of said gantry rail is provided by slots formed coaxially in a terminal shoe fitted to either 25 end of said gantry rail. The shoe is fitted to the gantry arms by fasteners passing through said slots. The adjustment of the tool drive may be provided by lateral bolts or similar devices acting between the gantry mount and the face plate. In another aspect the invention provides a machine tool guide for moving a surfacing tool over a substantial surface of a work piece, said machine tool guide 30 adapted for positioning over the work piece, said guide comprising: two horizontal spaced apart guide rails, a gantry adapted for linear travel in an X-axis along said guide rails, said gantry including a gantry rail adapted to bridge said spaced apart guide rails, and a pair of gantry arms fitted to either end of said gantry rail, each gantry arm having a gantry foot 35 for co-operating with a respective said guide rail, and 408668_1 3a a gantry mount for fitting a tool drive to said gantry for lateral movement along a length of said gantry along a Y-axis, said gantry mount including a vertical Z-axis height adjustment face plate for mounting said tool drive, wherein fitting of said gantry rail to said guide rails is adjustable about said X 5 axis and fitting of said tool drive to said gantry mount is adjustable about said Y-axis such that a cutting face of a tool fitted to said tool drive can be adjusted to correspond to a surface of a planar face of said work piece without the need to clamp said work piece to said guide, wherein said gantry mount includes a cross travel control and a calibrated gantry 10 rail track adapted to assist in manual control of said gantry, said cross travel control comprising a moveable locking pin slidably fitted to said gantry mount for movement between an unlocked position clear of said calibrated gantry rail track and a locking position adapted to co-operate with said calibrated gantry rail track for releasably locking said gantry mount incrementally along the length of said gantry. 15 In another aspect the invention provides a machine tool guide for moving a surfacing tool over a substantial surface of a work piece, said machine tool guide adapted for positioning over the work piece, said guide comprising: two horizontal spaced apart guide rails, a gantry adapted for linear travel in an X-axis along said guide rails, said gantry 20 including a gantry rail adapted to bridge said spaced apart guide rails, and a pair of gantry arms fitted to either end of said gantry rail, each gantry arm having a gantry foot for cooperating with a respective said guide rail, and a gantry mount for fitting a tool drive to said gantry for lateral movement along a length of said gantry along a Y-axis, said gantry mount including a vertical Z-axis 25 height adjustment face plate for mounting said tool drive, wherein fitting of said gantry rail to said guide rails is adjustable about said X axis and fitting of said tool drive to said gantry mount is adjustable about said Y-axis such that a cutting face of a tool fitted to said tool drive can be adjusted to correspond to a surface of a planar face of said work piece without the need to clamp said work 30 piece to said guide, wherein said gantry mount includes a cross travel control and a calibrated gantry rail track adapted to assist in manual control of said gantry, said cross travel control comprising a moveable locking pin slidably fitted to said gantry mount for movement between an unlocked position clear of said calibrated gantry rail track and a locking 35 position adapted to co-operate with said calibrated gantry rail track for releasably locking said gantry mount incrementally along the length of said gantry, 408668_1 3b wherein said control further includes a locking key pivotally attached to said gantry mount for operably driving said locking pin and an elongate control arm fitted to said locking key and telescopically extendable to reach across the length of said gantry rail to operably drive said locking key. 5 Any discussion of documents, acts, materials, devices, articles or the like which has been included in the present specification is not to be taken as an admission that any or all of these matters form part of the prior art base or were common general knowledge in the field relevant to the present invention as it existed before the priority date of each claim of this application. 10 Throughout this specification the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element, integer or step, or group of elements, integers or steps, but not the exclusion of any other element, integer or step, or group of elements, integers or steps. 15 Detailed Description of the Invention The invention will be described with reference to the following figures and legend. Fig. 1 Shows a plan view of the machine; Fig. 2 Shows a side view of Gantry taken on line 2-2 on Figure 1; 20 Fig. 3 Shows a sectional view taken on line 3-3 on Figure 1 of Gantry components; 408668_1 4 Fig. 4 Shows an enlarged plan view of the tool drive attachment to the Gantry Rail; Fig. 5 Shows a side view taken on line 5-5 on Figure 4 of the tool drive and attachment to the Gantry Rail; 5 Fig. 6 Shows a sectional plan view taken on line 6-6 on Figure 5 showing bearing and plate arrangement; Fig. 7 Shows a sectional view on line 7-7 on Figure 5 illustrating means locking height adjustment; Fig. 8 Shows a sectional plan view on line 8-8 on Figure 7; 10 Fig. 9 Shows a view taken on line 9-9 on Figure 5, showing the height adjustment for work tool; Legend 1. Work piece 15 2. Horizontal guide rails 3. Gantry 4. Gantry rail 5. Gantry arm 6. Gantry foot 20 7. Tool drive 8. Gantry mount 9. Face plate 10. Tool (Bit) 11. Gantry rail shoe 25 12. Slots 13. Lateral bolts 14. Linear bearings 15. Bearing tracks 16. Height control screw 30 17. Lifting lug 18. Back plate 19. Fastener 20. Rotation stop 21. Stop screws 35 22. Gantry mount housing 23. Locking pin m:\specifications\500000\504000\504319cmpmaw.doc 5 24. Calibration rack 25. Height control handle 26. Locking key 28. Cross travel control arm 5 29. Extendable handle 31. Rail lip 32. Gantry drive chain 33. Linear drive motor 34. Power feed lock 10 35. Dust boot 37. Hold down bearings 38. Lateral bearings 39. Load bearings 15 Referring firstly to Figure 1, 2 and 3 the invention provides a guide for a tool drive where the tool drive is particularly adapted for receiving and operating a large surface area tool (not shown) either in the form of a cutter or a sanding disk where a substantial surface area of the tool is brought into contact for machining and working the work piece. In particular where a sanding disk is brought to bear on the work piece 20 by way of the type of guide detailed in the invention the very particular and exquisite alignment of the planar surface of the sanding disk to the planar surface of the work piece in the X and Y dimensions is very important in establishing efficient and effective operation of the tool where any deviation of the working surface or working path of the tool from the planar surface of the work piece immediately reduces the 25 quality of the finish and greatly reduces the efficiency and operation of the tool in question. Moreover, when a large surfacing tool is drawn across the surface of a work piece a high degree of rigidity and control is required to maintain the tool in accurate alignment with the work piece. Figure 1 shows a general plan overview of the guide with a work piece 1 in situ within the confines of the guide. The guide means includes 30 two horizontal guide rails 2 positioned either side of the work piece 1 and over which are bridged a gantry 3 which is designed for linear travel in the X direction back and forth along the length of the guide rails. The gantry 3 includes a gantry rail 4 adapted to bridge spaced apart guide rails 2. The gantry rail is supported by a pair of gantry arms 5 which are adapted to be fitted to either end of the gantry rail. Each gantry arm 35 has a gantry foot 6 particularly adapted to cooperate with a guide rail 2 and ensure a smooth linear movement of the gantry up and down the guide rails. This is achieved by m:\sneifications\500000\504000\50431 9cmomaw.doc 6 way of roller bearings 37, 38 and 39. The tool drive 7 is provided by way of a suitably sized electric drive motor which is fitted to the gantry by way of a gantry mount 8 shown in Figure 5. The gantry mount 8 is adapted for lateral movement backwards and forwards along the length of the gantry by way of suitable roller bearings attached to 5 cooperate with the gantry rail 4. The movement back and forth along the gantry rail is in the Y axis and provides movement for the drive 7 in the Y axis. Referring now to Figures 5 and 6 a height adjustment mechanism for the drive 7 is shown which is adapted for fitting to the gantry mount 8. The drive height adjustment mechanism includes face plate 9 for mounting the drive where the face plate 10 is attached to linear bearings 14 which in turn slide on dual bearing tracks 15. The linear bearings are fitted to a height control screw 16 by way of a lifting lug 17. The linear bearing tracks and drive height adjustment mechanism are fitted to a back plate 18 with the back plate rotatably fitted to the gantry mount 8. The rotation of the back plate is controlled by lateral bolts 13 which provide exquisite control and locking of the 15 gantry mount in the y-axis. The particular features of the invention that provide the guide with the precise adjustment in both the X and Y axes is shown firstly with reference to Figure 2 where a close up underside view of the gantry shows the gantry rail terminating in a gantry rail shoe 11. The gantry rail shoe is duplicated at the other end of the gantry rail and each 20 shoe is provided with a plurality of peripheral slots 12 which are adapted to receive a fasting means 19 either in the form of a bolt or other fixing means whereby the gantry rail 4 is provided with a means of rotation about a central axis so as to vary the pitch or alignment of the drive attached to the gantry rail along the X axis. The rotational movement of the gantry rail 4 is controlled by way of a rotation stop 20 provided with 25 stop screws 21 which allow precise alignment of the gantry rail along the X axis. Referring now to Figures 7, 8 and 9 the adjustment of the gantry mount about the Y axis is shown where the fixing of the vertical height assembly comprising the back plate 18 and face plate (not shown) by way of the back plate being fitted to the gantry mount such that the fitting bolts have sufficient leeway that lateral movement is 30 compensated and controlled by dual lateral bolts 13 fitted to the gantry mount so as to act on the back plate 18 thereby causing alignment thereof in the Y axis. Referring to Figures 4 and 5 other aspects of the invention include a gantry mount housing 22 which is adapted to directly cooperate with the gantry rail 4. The gantry mount housing includes a spring based locking pin 23 which is adapted to 35 cooperate with a calibrated gantry rail rack 24 positioned on top of the gantry rail such that the movement of the gantry mount can be arrested in the Y axis. m-\ennrifientinne\rAAAAA\)nrAAAAOAnn ir~n1mnmnw tinp 7 The manual movement of the gantry 3 along the X axis can be controlled by the cross travel control arm 28. The cross travel control arm has an extendible handle 29 which is telescopically connected to the cross travel control arm. The control arm 28 is pivotable such that it can be rotated about its longitudinal axis to activate a locking key 5 26 which engages or disengages the locking pin 23 Referring again to Figures 2 and 3 an overall perspective view of the guide from outside the guide rails 2 is shown where the outside of the guide rail is provided with a rail lip 31 such that the gantry foot 6 can be provided with hold down bearings 37 such that the gantry foot can be securely held down onto and into close and precise 10 engagement with the guide rails 2. The hold down bearings are augmented with lateral bearings 38 and load bearings 39, ensuring accurate and precise action for the gantry. Figure 1 shows the gantry drive chain 32 which is positioned for enclosed movement longitudinally along the guide rails 2 with the linear drive motor 33 positioned at one end of the guide. The means by which the gantry is locked to the 15 gantry drive chain is shown with the power feed lock 34 positioned for actuation so as to lock the gantry foot into the gantry drive chain thereby ensuring accurate and positive drive of the gantry along the X axis. Figures 5 and 9 shows another feature of the invention relating to the drive motor's ability to readily accept cutting tools and sanding tools whereby a dust boot 35 20 is provided for fitting to the drive 7 and the dust boot is vertically adjustable by way of thumb screws. In this manner regardless of which tool is required be it either a cutter which is used first for surfacing the work piece or sanding machine which is required for subsequent smoothing the dust boot can be readily adjusted to accommodate whichever type of tool is required for fitting to the drive. 25 It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. m-\-sncifications\500000\504000\50431 9cmomaw.doc

Claims (6)

  1. 3. A guide according to claim 1, wherein said gantry rail has a sufficient footprint 30 to provide a smooth and accurate movement of said gantry arms along said X-axis.
  2. 4. A guide according to claim 1, further comprising a continuous drive adapted for linear movement parallel to said guide rails, and said gantry includes a locking arrangement for cooperation with said drive to provide power activation of said gantry. 35 408668_1 9
  3. 5. A machine tool guide for moving a surfacing tool over a substantial surface of a work piece, said machine tool guide adapted for positioning over the work piece, said guide comprising: two horizontal spaced apart guide rails, 5 a gantry adapted for linear travel in an X-axis along said guide rails, said gantry including a gantry rail adapted to bridge said spaced apart guide rails, and a pair of gantry arms fitted to either end of said gantry rail, each gantry arm having a gantry foot for cooperating with a respective said guide rail, and a gantry mount for fitting a tool drive to said gantry for lateral movement along 10 a length of said gantry along a Y-axis, said gantry mount including a vertical Z-axis height adjustment face plate for mounting said tool drive, wherein fitting of said gantry rail to said guide rails is adjustable about said X axis and fitting of said tool drive to said gantry mount is adjustable about said Y-axis such that a cutting face of a tool fitted to said tool drive can be adjusted to correspond 15 to a surface of a planar face of said work piece without the need to clamp said work piece to said guide, wherein said gantry mount includes a cross travel control and a calibrated gantry rail track adapted to assist in manual control of said gantry, said cross travel control comprising a moveable locking pin slidably fitted to said gantry mount for movement 20 between an unlocked position clear of said calibrated gantry rail track and a locking position adapted to co-operate with said calibrated gantry rail track for releasably locking said gantry mount incrementally along the length of said gantry, wherein said control further includes a locking key pivotally attached to said gantry mount for operably driving said locking pin and an elongate control arm fitted to 25 said locking key and telescopically extendable to reach across the length of said gantry rail to operably drive said locking key.
  4. 6. A guide according to claim 1, wherein said gantry mount includes a rotatably mounted back plate with lateral bolts adapted to bear upon said back plate to adjust and 30 lock said back plate about a rotational axis thereof for adjustment about said y-axis.
  5. 7. A guide according to claim 2, wherein said terminal shoe of said gantry rail is provided with a rotational stop lug adapted to move between two stop screws and allow adjustment of said gantry about said x-axis. 35 408668_1 10
  6. 8. A guide according to any one of claims 1 to 7, substantially as hereinbefore described with reference to the figures. 5 408668_1
AU2006201904A 2005-05-09 2006-05-05 Planer/Sander Wood Machine Active AU2006201904B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2005902332 2005-05-09
AU2005902332A AU2005902332A0 (en) 2005-05-09 Planer/Sander Wood Machine
AU2006201904A AU2006201904B2 (en) 2005-05-09 2006-05-05 Planer/Sander Wood Machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2006201904A AU2006201904B2 (en) 2005-05-09 2006-05-05 Planer/Sander Wood Machine

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AU2006201904A1 AU2006201904A1 (en) 2006-11-23
AU2006201904B2 true AU2006201904B2 (en) 2010-12-23

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104999351A (en) * 2014-04-26 2015-10-28 张铭勇 Artificial board sand saw quick feeding method and production line equipment
CN105415450B (en) * 2015-10-28 2017-12-15 孟玲琳 A kind of carpenter's jigsaw cutter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468160A (en) * 1982-09-09 1984-08-28 Campbell Automation, Incorporated Woodworking machine
US6641340B1 (en) * 1997-01-23 2003-11-04 Victor J. Hajjar Apparatus and method for machining a prosthetic tooth restoration

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468160A (en) * 1982-09-09 1984-08-28 Campbell Automation, Incorporated Woodworking machine
US6641340B1 (en) * 1997-01-23 2003-11-04 Victor J. Hajjar Apparatus and method for machining a prosthetic tooth restoration

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