EP0382877B1 - Maschine zur Flächen- und Dickenbearbeitung von Holzwerkstücken beliebiger Abmessungen, insbesondere von kurzen und dünnen Werkstücken - Google Patents

Maschine zur Flächen- und Dickenbearbeitung von Holzwerkstücken beliebiger Abmessungen, insbesondere von kurzen und dünnen Werkstücken Download PDF

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Publication number
EP0382877B1
EP0382877B1 EP89107383A EP89107383A EP0382877B1 EP 0382877 B1 EP0382877 B1 EP 0382877B1 EP 89107383 A EP89107383 A EP 89107383A EP 89107383 A EP89107383 A EP 89107383A EP 0382877 B1 EP0382877 B1 EP 0382877B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
workpieces
milling head
guide
machine
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
EP89107383A
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German (de)
English (en)
French (fr)
Other versions
EP0382877A2 (de
EP0382877A3 (de
Inventor
Pavel Dipl.-Ing. Ledinek
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT89107383T priority Critical patent/ATE100017T1/de
Publication of EP0382877A2 publication Critical patent/EP0382877A2/de
Publication of EP0382877A3 publication Critical patent/EP0382877A3/de
Application granted granted Critical
Publication of EP0382877B1 publication Critical patent/EP0382877B1/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
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C1/00—Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor
    • B27C1/005—Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor with tools having a rotational vector which is perpendicular to the working surface
    • 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
    • B27C1/00—Machines for producing flat surfaces, e.g. by rotary cutters; Equipment therefor
    • B27C1/04—Thicknessing machines
    • 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
    • Y10T409/3042—Means to remove scale or raised surface imperfection

Definitions

  • the invention lies in the field of woodworking machines and falls and falls, for example, in the IPC: B 27 C 1/06; B 27 C 5/04; B 27 J 1/00; B 27 M 3/04.
  • the invention is based on a machine for surface finishing of short and thin workpieces of any dimensions, in particular thin workpieces of small dimensions, without rigid clamping of the workpiece.
  • One, two or more work spindles are provided for the tool for the cutting process and circular motion, as well as a stationary circular guide insert for surface compensation and for processing the thickness of the wooden workpieces. These are arranged one behind the other; each of these spindles has a separate drive, a sliding plate with two lateral guide rails attached to the work table.
  • the table moves vertically; Raising and lowering the slide plate adjusts the thickness of the section on the workpiece surface; the upper guide bar, which is still provided, is adjusted in the vertical direction; the wood workpiece is set at this height before processing.
  • the woodworking machine with a stationary disc is known, which is carried by two parallel supports and which is attached to the machine housing and fastened with screws to the two parallel supports.
  • the stationary disc is designed as a round disk with radial groove on the side, which has a recessed lower surface.
  • De-OS 21 912.8 describes a woodworking machine in which the tool holder has two tools seated on the same vertical axis, the tool holder being inserted into the outer tool holder, representing a tool-in-tool construction.
  • the inner tool holder with circular saw is designed so that a circular movement is caused during machining, in which the outer and inner tool holder are rotated in the same direction; an adjustment possibility with regard to different peripheral speeds of one or more tool holders is possible, the inner tool holder being designed such that it is fastened on the work spindle with a threaded nut; For this purpose, a corresponding recess is provided in the inner tool holder.
  • the outer tool holder with inserted tool in the form of cutting knives is designed in the form of a truncated cone and is used for rough preparation of a wood workpiece of greater length.
  • the known machine with double tool holder works so that the wooden workpiece of greater length engages in the area of the tool (inserted in pairs in the upper and lower holder); both holders are rotated against each other on the same vertical axis at an angle of 180.
  • the outer holders with inserted tools take care of the pre-machining of the gron; the inner tool holder with tools for finishing large wooden workpieces Length.
  • the known machine with two processing heads which are set on the same vertical axis and at an angle to each other of 180 ° (rotated) and with dipple tool holder, is disadvantageous in that when processing the wooden workpiece of very short length, it is placed in the edge area between the surface of the inside Holder and the surface of the tool clamped in this holder. It can also jam into the recess edge for the screw connection with shaft in the circular saw holder; There is also friction between the rotating and the only movable tool during workpiece transfer, which, if the tool piece is shorter than the tool pressure knife, results in movement of the workpiece in the tangential direction of the tool and which leads to workpiece failure and inaccurate machining long workpieces, because the tool surface cannot be used as a guide support due to the rotation.
  • Such a machine is therefore not useful in practice for machining workpieces of small dimensions and thin workpieces, because machining qualities that are too large and too high are necessary.
  • the invention is based on a machine for the surface and thickness processing of wooden workpieces of any dimensions, in particular short and thin workpieces, consisting of one, two or more vertical, horizontal or at a certain angle working spindles; with a two-part sliding plate; a movable work table; two flank guide rails and an upper slide guide, with separate work spindle drives.
  • the invention is characterized by a partially hollow end milling cutter head with fixed or interchangeable cutting edges, a guide insert, which is attached to the flank guide strip, being fixed in the face milling cutter head.
  • guide rails are laterally adjustable and consist of two parts, one part of which moves together with the work table, while the other is fixed on the machine housing; also two-part flank strips are attached to the fixed part of the two-part slide plate, which is fixed to the machine housing, while the movable part of the slide plate moves in the vertical direction together with the work table; there is also an upper adjustable guide bar that is attached to the machine housing
  • the work spindle is provided with a hollow cylindrical milling head 1, in which the circular guide insert 9 is inserted; this circular guide insert is fixed via a screw connection 12 to the flank guide strip 5, which in turn is fastened on the slide plate 4 '.
  • the workpiece slides on the sliding plate 4 and is guided through the flank guide bar 5, the flank guide bar 10 and the upper guide bar 7 (FIG. 1).
  • the position of the workpiece 1 against the milling head 1 with a fixed guide insert 9 can be seen at the moment of the start of the surface processing, the points of engagement P1, P 2 , P 3 being the same with regard to the position of the milling head 1 fixed by the guide insert 9 Level, which is also a condition for surface processing of short and thin wooden workpieces without rigid clamping.
  • the milling head 1 with fixed or exchangeable cutting edges 1 ' is fixed on the working shaft 3' with a fixed insert 3 "and the screw connection 13; the cutting edges 1 'on the milling head are set in such a way that the cutting apices 1' are completely identical Level as the upper sliding plate surfaces 4 'and the upper surface of the fixed guide insert.
  • the slide plate 4 is fixed on the work table 6 and moves vertically up and down together with it, depending on the thickness of the workpiece 11, as can be seen in FIG. 2.
  • the working shaft 3 ' is attached to the housing of the working shaft 3, which is separated from the milling head 1 by a spacer ring 2.
  • the slide plate 4 ' is attached to the machine housing 8; A flank strip 5 is fixed above and on this plate.
  • the workpiece 11 moves on the slide plate 4, is held by the side rail 5, the side rail 10 and the upper guide rail 7, all of which together form a movement channel, the workpiece 11 not being clamped rigidly.
  • the end face of the workpiece 11 is in engagement with the cutting edges 1' at points P 1 , P 2 , P 3.
  • the workpiece 11 moves over the cutting edges 1 'on the milling head 1 and cuts in the same plane as the upper surface of the sliding plate 4', which is made possible by the fixed, stationary guide insert 9 inserted in the milling head; this prevents the inclination and sliding of a short workpiece 11 into the inner part of the hollow milling head 1, because the hollow inner part or the depression in the milling head 1 is completely closed with the fixed guide insert; however, the tool is constructed in such a way that there is an air inlet slot of at most 1 mm width between the inside diameter of the hollow milling head 1 and the cutting edges 1 'and the outside diameter of the fixed guide insert 9.
  • a hollow milling head 1 is provided with fixed or exchangeable cutting edges 1 'and a fixed guide insert 9, which is attached in this head and is fixed on the flank guide bar 5 (FIG. 2), but also on the fixed axis 3 above, which by the hollow working shaft 3 'is guided, the upper surface of the fixed guide insert 9, the cutting vertex 1' on the milling head 1 and the upper surface of the sliding plate 4 'are always in the same plane, as the accompanying figures show.
  • a high-quality surface treatment of the wooden workpieces 11 without rigid clamping is achieved, regardless of dimensions, wood quality and direction of the previous woodcut; furthermore, the processing means that less wood waste is available, which means considerable savings for the wood processing industry; the work process is considerably improved with regard to safety and occupational safety for the machine workers and for the environment.
  • the housing of the working shaft 3 is made of a steel and seamless tube made of the material St 35.29 .; this tube is turned to its own inner diameter, in which a standard ball bearing marked 6208 TB P 63 is attached.
  • the working shaft 3 ' is made of a drawn steel bar, made of 42 Cr Mo 4 material; the shaft is turned to the outside diameter, at the end a 13.75 mm hole is drilled out and the M 16 internal thread is cut by hand.
  • the mounting insert 3 is made of a drawn bar steel, made of material St 3; the material is sawn to the appropriate height, then turned and a hole 0 17 mm is also drilled therein. On the circumference of the mounting insert 3", two recesses are made with a milling cutter cut at an angle of 180 to tighten with a key.
  • the face cylinder milling head 1 is made from a round steel 0 180 mm, from the material 42 Cr Mo 4; the head is turned inwards and outwards, cutting edges 1 ⁇ made of the material OCR 12 and G 2 are fixed in its forehead rim by brazing; but the cutters made of the same material can also be used with M4 Allen screws.
  • the end cylinder head 1 can also be welded from sheet metal 42 Cr Mo 4 (electric welding).
  • the guide insert 9 is made as a cast from cast iron 25 in such a way that its guide surface is finely turned and ground.
  • the sliding plates 4 and 4 ' are made of sheet metal 23 mm thick and made of St 37 material, the sliding surfaces are planed, a semicircular cutout 0 182 mm is cut autogenously.
  • the work table 6 is made of sheet metal 18 mm thick and made of material St 37 in a welded version (manual electric welding).
  • the flank guide strip 5 is made of a steel strip 20 mm thick and made of St 37 material; it also has an eutogenically cut outer shape and milled longitudinal openings for attachment.
  • the machine housing 8 is made of sheet metal 20 mm thick and made of material St 37; this material is autogenously cut and welded (electric manual welding).
  • the fixed axis 3 m is made of a round steel bar St 50 K; Neck and forehead are turned; A hole of 8.16 mm is drilled out on the axle and the M 10 thread is cut by hand.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
EP89107383A 1989-02-17 1989-04-24 Maschine zur Flächen- und Dickenbearbeitung von Holzwerkstücken beliebiger Abmessungen, insbesondere von kurzen und dünnen Werkstücken Expired - Lifetime EP0382877B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89107383T ATE100017T1 (de) 1989-02-17 1989-04-24 Maschine zur flaechen- und dickenbearbeitung von holzwerkstuecken beliebiger abmessungen, insbesondere von kurzen und duennen werkstuecken.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
YU374/89 1989-02-17
YU37489A YU37489A (sh) 1989-02-17 1989-02-17 Priprava za ploskovno obdelavo lesa zelo kratkih dolžin brez vpetja obdelovanca

Publications (3)

Publication Number Publication Date
EP0382877A2 EP0382877A2 (de) 1990-08-22
EP0382877A3 EP0382877A3 (de) 1991-07-24
EP0382877B1 true EP0382877B1 (de) 1994-01-12

Family

ID=25549631

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89107383A Expired - Lifetime EP0382877B1 (de) 1989-02-17 1989-04-24 Maschine zur Flächen- und Dickenbearbeitung von Holzwerkstücken beliebiger Abmessungen, insbesondere von kurzen und dünnen Werkstücken

Country Status (7)

Country Link
US (1) US4964446A (ja)
EP (1) EP0382877B1 (ja)
JP (1) JPH0367601A (ja)
AT (1) ATE100017T1 (ja)
DE (1) DE58906711D1 (ja)
ES (1) ES2050179T3 (ja)
YU (1) YU37489A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0729281B2 (ja) * 1991-12-20 1995-04-05 株式会社イシタ 木材表面の切削仕上装置
JP2972115B2 (ja) * 1995-05-11 1999-11-08 大倉工業株式会社 熱可塑性木質系成形用組成物の連続製造方法
US6021827A (en) * 1997-09-26 2000-02-08 Gregor; Ledinek Machine for surface working of wood workpieces
DE59814083D1 (de) * 1997-09-26 2007-10-11 Pavel Ledinek Maschine zur Flächenbearbeitung von Holzwerkstücken
DE10035561A1 (de) * 2000-07-21 2002-01-31 Bosch Gmbh Robert Handgeführtes Elektrowerkzeug und Messerkopf dafür
SI21089B (sl) * 2002-12-20 2011-07-29 Gregor Ledinek Stroj za ÄŤelno spajanje in lepljenje podolgovatih lesnih obdelovancev z zobatimi ÄŤelnimi spoji in postopek v zvezi s tem
DE102006015692A1 (de) * 2006-03-29 2007-10-04 Michael Weinig Ag Maschine zum Bearbeiten von Werkstücken aus Holz, Kunststoff und dergleichen sowie Werkzeug zum Einsatz in einer solchen Maschine
AT14605U1 (de) * 2014-01-15 2016-02-15 Mafi Naturholzboden Gmbh Maschine sowie Verfahren zur Beeinflussung des optischen Erscheinungsbildes eines ein- oder mehrlagigen Holzelementes
CN104015230B (zh) * 2014-06-23 2015-12-30 台州联帮机器人科技有限公司 一种工件表面的加工系统及加工方法
CN105881655B (zh) * 2016-06-17 2018-03-02 中建八局第二建设有限公司 一种建筑施工用刨具
US11305445B1 (en) 2020-04-24 2022-04-19 John Peachey Surface texturing apparatus
CN112692927A (zh) * 2021-01-03 2021-04-23 蔺华 一种用于木质家具加工的刨平装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE382103C (de) * 1923-09-28 Josef Richter Hobelmaschine
FR463863A (fr) * 1913-10-21 1914-03-06 Jean Baptiste Haristoy Machine à dégauchir et à tirer d'épaisseur pour les bois en planches ou plateaux
DE530842C (de) * 1930-03-02 1931-08-01 Teichert & Sohn Vorrichtung zum gleichzeitigen Abrichten oder Dickehobeln und Abzahnen von Holzflaechen
CH272028A (de) * 1949-03-29 1950-11-30 Kroessin Markus Abrichtmaschine.
US2722956A (en) * 1954-07-06 1955-11-08 Ludwig Paul Walter Vertical planer
US2725084A (en) * 1954-11-12 1955-11-29 Woods Machine Co Sa Wood-planing machine with angularly disposed cutterheads
CH340339A (de) * 1955-08-17 1959-08-15 Hasler & Co Fräsmaschine zur Bearbeitung von Holzstücken, insbesondere für Parketts
GB902168A (en) * 1959-11-04 1962-07-25 Horstmann & Sherwen Ltd Improvements relating to wood-working machines
US4690186A (en) * 1986-03-05 1987-09-01 Optimil Machinery, Inc. Log feed apparatus

Also Published As

Publication number Publication date
DE58906711D1 (de) 1994-02-24
US4964446A (en) 1990-10-23
ATE100017T1 (de) 1994-01-15
EP0382877A2 (de) 1990-08-22
YU37489A (sh) 1993-10-20
EP0382877A3 (de) 1991-07-24
ES2050179T3 (es) 1994-05-16
JPH0367601A (ja) 1991-03-22

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