EP0645221B1 - Andrückvorrichtung für Maschinen zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen - Google Patents

Andrückvorrichtung für Maschinen zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen Download PDF

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Publication number
EP0645221B1
EP0645221B1 EP94113107A EP94113107A EP0645221B1 EP 0645221 B1 EP0645221 B1 EP 0645221B1 EP 94113107 A EP94113107 A EP 94113107A EP 94113107 A EP94113107 A EP 94113107A EP 0645221 B1 EP0645221 B1 EP 0645221B1
Authority
EP
European Patent Office
Prior art keywords
pressing
pressing device
setting
tool
moulding
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.)
Expired - Lifetime
Application number
EP94113107A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0645221A1 (de
Inventor
Heiner Englert
Winfried Reuter
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.)
Michael Weinig AG
Original Assignee
Michael Weinig AG
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 Michael Weinig AG filed Critical Michael Weinig AG
Publication of EP0645221A1 publication Critical patent/EP0645221A1/de
Application granted granted Critical
Publication of EP0645221B1 publication Critical patent/EP0645221B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
    • B27G19/10—Measures preventing splintering of sawn portions of wood
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/306216—Randomly manipulated, work supported, or work following device
    • Y10T409/306384—Randomly manipulated, work supported, or work following device with work supported guide means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/30868—Work support
    • Y10T409/308736—Work support with position indicator or stop

Definitions

  • the invention relates to a pressing device for machines for machining workpieces made of wood, plastic and the like according to the preamble of claim 1.
  • This known pressing device has in the direction of transport of the workpieces to be machined in front of and behind the spindle or the tool sitting on it, a pressing element which rests on the workpiece and prevents inadmissible movements of the workpiece during machining by the tool. So that the workpiece is optimally supported during machining, the pressure elements must be arranged close to the tool. The setting of the pressure elements is complex and difficult. When changing the tool with a different flight circle diameter, the pressure elements must be reset accordingly. The pressure elements are set individually by eye, whereby not only the flight circle diameter of the knife of the tool, but also the profile depth of the knife must be taken into account.
  • the invention has for its object to design the generic pressing device so that the pressing elements can be easily and quickly set in the respective position.
  • the pressing elements are adjusted in the different oblique directions in order to adjust them both with respect to the tool's circle diameter and with respect to the profile depth of the tool's profile knife.
  • the position of the adjustment directions is selected so that the pressure elements, depending on the flight circle diameter and the profile depth of the respective tool, reach an optimal position during the adjustment. Therefore, the adjustment of the pressure elements can be carried out easily, quickly and precisely even by less experienced people.
  • These adjustments of the pressing elements can preferably be carried out in the linear direction. However, it is also possible to bring the pressing elements into the required position by means of a corresponding pivoting movement in the respective direction, that is to say on a curved path.
  • the invention is explained in more detail using an exemplary embodiment shown in the drawing.
  • the drawing shows a view and a schematic representation of a pressing device according to the invention.
  • the pressing device is used in processing machines for wood, plastic and the like and is used to adjust pressing elements arranged in front of and behind a rotating tool depending on the tool diameter and the profile depth of the profile knife of the tool.
  • the pressing device has a fixed support 1 on which two setting devices 2 and 3 are arranged. With the setting device 2, the pressing elements 4 and 5 are set in relation to the profile depth and with the setting device 3 in relation to the tool diameter.
  • the tool 6 sits in a rotationally fixed manner on a spindle 7 of the processing machine which is horizontal in the exemplary embodiment.
  • the tool 6 is a knife head, on the circumference of which distributed profile knives are fastened in a known manner.
  • the profile depth of the (not shown) profile knife is designated 8.
  • the tool 6 has a flight circle diameter 9 which corresponds to the tool diameter.
  • the base circle diameter 10 of the tool is determined by the greatest profile depth 8 of the profile knife of the tool 6.
  • the pressing elements 4 and 5 are provided. In order to achieve an optimal pressing effect, they should be provided as close as possible to the tool 6. If the tool 6 seated on the spindle 7 is used against a tool with a different flight circle diameter 9 and / or a different profile depth 8 of its cutting knife, the pressing elements 4, 5 must be adjusted accordingly. This can be done very easily and quickly using the two setting devices 2 and 3 and the design of the pressing device described below. The pressing elements 4, 5 can also be adjusted by inexperienced workers in a simple manner precisely in the required position relative to the respective tool 6.
  • the setting devices 2, 3 are known per se and each have a position indicator 12 and 13 in which the respective value is displayed digitally.
  • Each setting device 2, 3 is provided with a rotating sleeve 14 and 15 for the rotationally fixed reception of one (not shown) adjusting shaft.
  • the pressing elements 4, 5 are adjusted in the required direction relative to the stationary or machine-fixed carrier 1 in a manner to be described.
  • the respective value is displayed in the position display 12, 13, since the rotating sleeves 14, 15 are coupled to the display elements in a known manner.
  • the carrier 1 is preferably substantially plate-shaped, so that it takes up little space. In order for it to come as close as possible to the tool 6, it is provided with a corresponding concave recess or recess 16 that corresponds to the flight circle diameter 9 of the largest tool 6 to be arranged on the spindle 7 is adapted.
  • the carrier 1 is provided on one side with a guide 17 for an intermediate carrier 18 which carries the pressing element 5.
  • the intermediate carrier 18 is provided with a corresponding counter-guide 19 which is adjustable along the guide 17 of the carrier 1.
  • the intermediate carrier 18 can be provided, for example, with a recess with a U-shaped cross section, into which the guide 17 of the carrier 1 engages.
  • the depression can also be designed as a dovetail groove, to which the guide 17 is adapted accordingly.
  • the carrier 1 is provided on one side with a threaded spindle 20, shown only schematically in the drawing, on which a spindle nut 21 is seated, which is firmly connected to the intermediate carrier 18.
  • a threaded spindle 20 By rotating the threaded spindle 20, the intermediate carrier 18 can thus be continuously adjusted along the guide 17 of the carrier 1.
  • the position of the threaded spindle 20 and the guide 17 determines the adjustment direction 22 of the intermediate carrier 18 and thus of the pressing element 5.
  • the pressing element 5 is adjusted in this direction 22 when a tool 6 with a different flight circle diameter 9 is used.
  • the pressing element 5 can additionally be adjusted relative to the intermediate carrier 18 in the direction of the double arrow 23. With such an adjustment option, the pressing element 5 can be adapted to the respective profile depth 8 of the profile knife of the respective tool 6.
  • a rotatably driven threaded spindle 24 is provided for adjusting the pressing element 5, which is shown schematically in the drawing and on which a spindle nut 25 is seated. It can be firmly connected to the intermediate carrier 18 or to the pressing element 5. Accordingly, the threaded spindle 24 is provided either on the pressing element 5 or on the intermediate carrier 18.
  • the intermediate carrier 18 is provided with a guide 26 which interacts with a counter-guide 27 of the pressing element 5.
  • the counter-guide 27 can be formed by an edge section of the pressing element 5 which is U-shaped or dovetail-shaped in cross-section and into which the guide 26 of the intermediate carrier 18 engages in a spring-like manner.
  • the two threaded spindles 20 and 24 and the two guides 17 and 26 are at an angle to one another and converge in the direction of the tool 6.
  • the two threaded spindles 20 and 24 are at an acute angle to one another which is in the range of approximately 60 °.
  • the guide 26 is provided on a guide part 28 which projects transversely from the intermediate carrier 18 and which is advantageously formed in one piece with the intermediate carrier 18.
  • the pressing element 4 can also be displaced in two directions lying at an angle to one another in order to adapt its position in relation to the flight circle diameter 9 and the profile depth 8 of the respective tool 6.
  • the pressing element 4 is provided on a slide part 29, which is slidably mounted on a further slide part 30, which in turn is slidable on the carrier 1 is arranged.
  • the two slide parts 29, 30 form a type of cross slide, with which the pressing element 4 can be adjusted in the two adjustment directions to be described.
  • the pressing element 4 is provided on a lower side with a downwardly projecting guide bar 31 which engages in a corresponding groove 32 on the upper side of the slide part 30.
  • the guide bar 31 and the groove 32 lie at an acute angle to the threaded spindle 20.
  • the guide bar 31 and the threaded spindle 20 diverge in the direction of the tool 6.
  • the position of the guide bar 31 determines the adjustment direction 33 in which the pressing element 4 is adapted can be adjusted to different tool diameters relative to the slide part 30 or to the
  • the slide part 30 can be adjusted in the direction 34 on the carrier 1.
  • the slide part 29 is adjustable in the adjustment direction 33 with a threaded spindle 35.
  • a spindle nut (not shown) sits on the threaded spindle 35 and is fixedly connected to the slide part 29.
  • the threaded spindles 29 and 35 are coupled to the adjusting shaft accommodated in the rotating sleeve 15 of the setting device 3, so that the two threaded spindles 20, 35 are rotated together by rotating the adjusting shaft.
  • the slide part 29 and the intermediate carrier 18 are adjusted in opposite directions synchronously in the adjustment directions 22, 33.
  • the slide part 30 is also adjusted in the adjustment direction 34 by means of a threaded spindle 36.
  • the slide part 30 is provided with a spindle nut (not shown) which sits on the threaded spindle 36. It is coupled together with the threaded spindle 24 to the actuating shaft, which is received in a rotationally fixed manner in the rotating sleeve 14 of the setting device 2. If it is rotated, then the two threaded spindles 24, 36 are rotated so that the pressing element 5 and the slide part 30 are adjusted in opposite directions synchronously in the adjustment directions 23, 34.
  • the two adjustment directions 33 and 34 are at an acute angle to one another.
  • the slide part 29 and the intermediate carrier 18 are adjusted simultaneously and synchronously, so that both pressing elements 4, 5 can be moved simultaneously in the adjustment directions 22 and 33 to adapt to different flight circle diameters 9 of the tools 6.
  • the spindle drives 20, 21; 35 are coupled to each other in the manner described and connected to the setting device 3 so that the respective value of the tool diameter is digitally displayed in the position indicator 13.
  • the respective tool diameter (flight circle diameter 9) is set in the position display.
  • the spindle drives 20, 21; 35 the slide part 29 is displaced in the adjustment direction 33 and the intermediate carrier 18 with the pressing element 5 in the adjustment direction 22.
  • the adjustment directions 22, 23, 33, 34, projected onto the plane of the drawing, have the shape of a W.
  • the pressure elements 4, 5 are adjusted in the adjustment directions 22 and 33 for adjustment to different tool diameters.
  • the pressing elements 4, 5 are adjusted in the directions 23 and 34 in order to adapt them to the respective profile depth 8 of the profile knife used in the tool 6. These adjustment directions are chosen so that the pressing elements 4, 5 have the optimum distance in the transport direction 11 in front of and behind the respective tool 6, so that the workpieces to be machined with the tool 6 are optimally supported during the machining process.
  • the pressing elements 4, 5 are first adjusted to the respective tool diameter along the adjustment directions 22, 33 with the aid of the setting device 3.
  • the position of the pressing elements 4 and 5 is then adjusted to the respective one using the setting device 2 Profile depth 8 adapted, the pressing elements are adjusted in the adjustment directions 23, 34. With the two settings, it is thus possible in a simple manner to adjust the pressing elements 4, 5 to the most favorable position in each case.
  • the value to be set can be set and read very easily on the position displays 12, 13 of the setting devices 2, 3.
  • the various adjustment directions 22, 23, 33, 34 are each at acute angles to one another.
  • two different positions are drawn for the pressing elements 4, 5, which belong to correspondingly different tool diameters. If the profile depth 8 of the profile knife of the tool is taken into account in the setting, then the pressing elements 4, 5 are then adjusted in the manner described in the adjustment direction 23, 34.
  • the adjustment directions 22, 23, 33, 34 have been determined by first determining the optimal position of the pressing elements 4, 5 using the various tools.
  • the adjustment points 23 or 34 and 22 or 33 defining the straight lines which best approximate the measurement points are then laid through the measurement points which are created. This ensures that the pressure elements 4, 5 assume an optimal or at least approximately optimal position after the required adjustment in relation to the tool 6 used in each case.
  • the pressure elements 4, 5 are otherwise formed in a known manner.
  • the pressing device is of simple construction and can also be operated easily by inexperienced forces.
  • the respective value of the flight circle diameter and the profile depth is set with the setting devices 2, 3.
  • the pressure elements 4, 5 are moved into the corresponding positions via the actuators.
  • the required values for the profile parts 8 and the flight circle diameter 9 can also be specified via a CNC control of the machine.
  • the spindles 20, 24, 35, 36 are then driven by a motor and the pressing elements 4, 5 are shifted until the values specified by the CNC control have been reached.
  • the actuating shafts connected to the rotating sleeves 14, 15 of the setting devices 2, 3 in a rotationally fixed manner can be rotated manually by means of cranks or by motor.
  • each pressing element 4, 5 individually in the respective directions 22, 23, 33, 34.
  • four setting devices are provided, the sleeves of which are drive-connected to the corresponding spindles. The adjustment can in turn be carried out by hand or by motor.
  • the device it is possible to set the pressures in the machine simply and precisely in accordance with the measured flight circle diameters and profile depths of the tools with the aid of the setting devices, even before the tools are mounted on the spindles. This saves set-up time and avoids setting errors.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Details Of Cutting Devices (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
EP94113107A 1993-09-23 1994-08-23 Andrückvorrichtung für Maschinen zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen Expired - Lifetime EP0645221B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4332281A DE4332281A1 (de) 1993-09-23 1993-09-23 Andrückvorrichtung für Maschinen zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen
DE4332281 1993-09-23

Publications (2)

Publication Number Publication Date
EP0645221A1 EP0645221A1 (de) 1995-03-29
EP0645221B1 true EP0645221B1 (de) 1997-02-05

Family

ID=6498351

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94113107A Expired - Lifetime EP0645221B1 (de) 1993-09-23 1994-08-23 Andrückvorrichtung für Maschinen zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen

Country Status (4)

Country Link
US (1) US5458446A (ja)
EP (1) EP0645221B1 (ja)
JP (1) JP3489879B2 (ja)
DE (2) DE4332281A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4332281A1 (de) 1993-09-23 1995-03-30 Weinig Michael Ag Andrückvorrichtung für Maschinen zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen
DE69418984T2 (de) * 1993-11-30 2000-01-27 Hitachi, Ltd. Speicherplattenanordnung mit auf einer Vielzahl von Leiterplatten verteilten Speicherplatten, die bei einer Entfernung eines Teils der Leiterplatten zugänglich bleiben
US5626447A (en) * 1994-09-14 1997-05-06 Buysman; Jeffrey L. Belt refurbishing method and apparatus
US6543111B1 (en) * 2000-07-21 2003-04-08 Michaud Gerard Method and apparatus for recycling belts
DE10136767A1 (de) * 2001-07-27 2003-02-13 Weinig Michael Ag Kehlmaschine sowie Verfahren zur Einstellung wenigstens einer der Spindeln der Kehlmaschine
US20140165413A1 (en) * 2011-07-29 2014-06-19 Paul Goodridge Curved surface power plane

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA644675A (en) * 1962-07-10 Rockwell Manufacturing Company Adjustable guide fence for jointer
US1802096A (en) * 1929-04-15 1931-04-21 Delta Mfg Co Planer attachment for jointers
DE668701C (de) * 1937-05-05 1938-12-08 Kirchner & Co Akt Ges Vorrichtung zum Verstellen des Druckbalkens an Holzbearbeitungsmaschinen
US4272821A (en) * 1979-09-18 1981-06-09 Black & Decker Inc. Digital blade adjustment read-out for a portable power tool
US4382729A (en) * 1980-10-02 1983-05-10 Black & Decker Inc. Depth of cut adjustment mechanism for a power planer
EP0126285B1 (de) * 1983-05-24 1986-12-30 Eugen Lutz + Co. Handhobelgerät
DE3341219A1 (de) * 1983-11-14 1985-05-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zum einstellen der hobeltiefe bei einem elektromotorisch angetriebenen handhobel
DE3933102A1 (de) * 1988-10-07 1990-04-12 Weinig Michael Ag Andruckeinrichtung fuer eine bearbeitungsmaschine, vorzugsweise eine holzbearbeitungsmaschine, insbesondere eine kehlmaschine
GB2225982B (en) * 1988-12-16 1992-10-14 Wadkin Public Ltd Co Improved thicknessing machine
US5017061A (en) * 1989-10-04 1991-05-21 Arba Holding S.A. Apparatus for the peeling of surfaces, including nonplanar surfaces
IT1238960B (it) * 1990-05-24 1993-09-17 Scm Corp Perfezionamento in macchine scorniciatrici per la lavorazione del legno
GB9108253D0 (en) 1991-04-17 1991-06-05 Wadkin Public Ltd Co Milling cutter chip breaker
DE4332281A1 (de) 1993-09-23 1995-03-30 Weinig Michael Ag Andrückvorrichtung für Maschinen zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen

Also Published As

Publication number Publication date
JPH07164406A (ja) 1995-06-27
US5458446A (en) 1995-10-17
DE59401756D1 (de) 1997-03-20
EP0645221A1 (de) 1995-03-29
JP3489879B2 (ja) 2004-01-26
DE4332281A1 (de) 1995-03-30

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