EP1743737B1 - Ponceuse au défilé pour traiter une pièce en surface plane - Google Patents

Ponceuse au défilé pour traiter une pièce en surface plane Download PDF

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Publication number
EP1743737B1
EP1743737B1 EP06009000A EP06009000A EP1743737B1 EP 1743737 B1 EP1743737 B1 EP 1743737B1 EP 06009000 A EP06009000 A EP 06009000A EP 06009000 A EP06009000 A EP 06009000A EP 1743737 B1 EP1743737 B1 EP 1743737B1
Authority
EP
European Patent Office
Prior art keywords
grinding
disc
grinding tools
tools
spindle
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.)
Not-in-force
Application number
EP06009000A
Other languages
German (de)
English (en)
Other versions
EP1743737A1 (fr
Inventor
Friedrich Von Schumann
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.)
Jakob Lower Inh Von Schumann & Co KG GmbH
Original Assignee
Jakob Lower Inh Von Schumann & Co KG GmbH
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Filing date
Publication date
Application filed by Jakob Lower Inh Von Schumann & Co KG GmbH filed Critical Jakob Lower Inh Von Schumann & Co KG GmbH
Publication of EP1743737A1 publication Critical patent/EP1743737A1/fr
Application granted granted Critical
Publication of EP1743737B1 publication Critical patent/EP1743737B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B19/24—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground of wood, e.g. furniture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B24B41/047—Grinding heads for working on plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/06—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving conveyor belts, a sequence of travelling work-tables or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B24D13/16—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face comprising pleated flaps or strips

Definitions

  • the present invention relates to a continuous grinding machine according to the preamble of claim 1.
  • Continuous grinding machines for processing sheet-like Maschinenstükken are preferably used to grind the surface of planar furniture parts, especially when these furniture components are provided with milled grooves, profiles, rounded side edges or moldings.
  • the surface is deburred, the edges are broken or the surface becomes a paint preparation ground.
  • the longitudinal, transverse or curved milled grooves, profilings or side edges are sufficiently ground, it has proven useful to use continuous grinding machines with plate-shaped grinding tools and / or designed as a rotating roller grinding tools.
  • milling cuts, profilings or edges extending essentially transversely to the transport direction can be ground very well, whereas milling cutters, profilings or side edges running in the transport direction are not adequately captured by the roll grinders.
  • disc grinders are used, which rotate around a vertical axis and thus grind in all directions. While a roll grinder can be designed over the entire workpiece width, it does not make economic sense to use such large disc grinders. Rather, grinding stations with four, six or eight juxtaposed disc grinders are used in practice. If these disc sander arranged too close to each other, then the attached abrasive lamina abut each other due to the flying force and damage each other. Consequently, the disc sander must have a certain distance from each other. This in turn has the consequence that in this section without disc sander also no proper grinding of the workpiece can take place.
  • a grinding device in which in two rows next to each other transversely to the transport direction of the grinded a number of disc grinders is arranged. These disc sander rotate around a vertical axis. At the same time, the disk grinders arranged in two rows are moved in an oscillating manner transversely to the feed direction of the workpiece via an oscillating device.
  • the oscillating movement in the oscillating device can be generated by mounting a holder of the disk sander bridge eccentrically in a holder provided for this purpose, so as to produce the oscillating movement of the disk sander bridge.
  • the individual disc sander rotate normally around its vertical axis or are mounted eccentrically.
  • a grinding apparatus with a number of disc grinders in which the disc sander rotate about its vertical axis.
  • two disc grinder are always combined in pairs and arranged such that they rotate about a further axis of rotation, wherein the vertical axis of the respective disc grinder is so far from the axis of rotation, which also have the disc sander a significant distance from each other.
  • four such disc sander are mounted on two rotating devices that rotate offset so that each two disc grinder engage in the grinding pattern of the other two disc sander partially.
  • This grinding pattern is complemented by the fact that individual disc sander also arranged so eccentric may be that the vertical axis of the disc sander is arranged parallel and spaced from the axis of rotation of the disc sander. Due to the large number of rotating parts, such a device is very expensive to manufacture and susceptible to damage. Also, a very inhomogeneous grinding pattern is generated by the multiple-rotating disc grinder.
  • the present invention is based on the object to provide a continuous grinding machine of the type mentioned, which processes the workpiece in the entire workpiece width with a small number of disc grinders.
  • a continuous grinding machine designed according to this technical teaching has the advantage that now the flight circles of adjacent grinding tools overlap and that both adjacent disc grinders work on the workpiece in the cutting surface. It has proven to be advantageous to rotate adjacent grinding tools in the same direction of rotation, as this way the cut surface is machined in opposite directions, so that here a very good grinding result is achieved.
  • the existing grinding tools with the existing distances and the existing disc sander can be used and yet can be increased by off-center mounting the disc sander on the spindle of the circle of the disc sander so far that an overlap of adjacent flight circles arises and the workpiece in its entire width is processed.
  • the known from the prior art oscillating transverse movement of the grinding tools can be dispensed with. It has been found that an eccentric attachment of the disc sander of about 0.5 cm to 5 cm, preferably 2 cm, is usually sufficient to close the machining gaps.
  • adjacent grinding tools are driven by means of a belt, in particular a toothed belt.
  • disc sander In another preferred embodiment of the disc sander is elliptical, rectangular or star-shaped, so that in the workpiece existing reliefs can be taken into account in order to achieve a good grinding result.
  • Fig. 1 to 3 is shown in highly schematic a continuous grinding machine, in which a small workpiece 10 and a large workpiece 12 are transported in the direction of arrow 14.
  • four grinding tools 16 are arranged in a row, each comprising a spindle 18 and a disc grinder 20, wherein the Disc grinder 20 is eccentrically mounted on the spindle 18 and wherein the spindle 18 and the disc sander 20 rotate in the direction of arrow 22 about a vertical axis 24. Since the disc sander 20 is eccentrically mounted on the spindle 18, the disc sander 20 sweeps over a revolution circle 26, which is larger than the diameter of the disc sander 20 during one revolution.
  • the grinding tools 16 are arranged so that the distance between adjacent spindles 18 is smaller than the diameter of the flight circle 26, so that adjacent flight circles 26 partially overlap.
  • the workpiece 10, 12 is swept by each of the adjacent disc sander 20, the disc sander 20 sweeping the cut surface 28 in the opposite direction.
  • the workpiece 10, 12 is ground in its entire width, without gaps arise here.
  • the disc grinders 20 of the grinding tools 16 are all mounted eccentrically on the spindle 18 by the same amount.
  • the disc sander 20 are all moved synchronously, so that a collision of adjacent disc sander 20 is avoided.
  • a further series of grinding tools is mounted, which are arranged to the first row on the gap. As a result, the surface of the workpieces is processed evenly.
  • FIG. 4 two adjacent grinding tools 16 are shown, which are held on a common carrier 30.
  • Each grinding tool 16 includes a spindle 18 and a disc grinder 20 mounted eccentrically on the spindle.
  • the spindle 18 and the disc sander 20 rotate about a vertical axis 24 and are driven by a common belt 32.
  • the grinding tools 16 are further, not shown here Belt connected to other grinding tools, so that only a single grinding tool needs to be driven by an electric motor to rotate all the grinding tools can.
  • grinding slits 34 of slotted grinding cloths are mounted coaxially to the vertical axis 24, which rest with their outer ends on the workpiece surface and work on the workpiece.
  • the entire row of the grinding tools 16 can be adjusted in height via the carrier 30, so that the grinding lamellae 34 always rest with workpieces of different thickness only with their free end on the workpiece.
  • the distance between adjacent disc sander is about 1 cm, so that the workpiece is not processed in this area of about 1 cm. If the disc sander 20 is then mounted 1 cm outside its center on the spindle 18, this gap is closed both by the one and by the adjacent disc sander 20 so that the workpiece in this area is swept by each of the adjacent disc sander.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Claims (7)

  1. Meuleuse continue pour l'usinage d'une surface plane d'une pièce à usiner, avec au moins deux outils de meulage (16) tournant autour d'un axe vertical, chaque outil de meulage (16) comprenant une broche (18) tournant autour de l'axe vertical (24) et un disque abrasif (20) monté sur celle-ci, les au moins deux outils de meulage (16) étant disposés dans une rangée en travers de la direction d'avancement de la pièce à usiner (10, 12), au moins un disque abrasif (20) étant retenu de façon excentrique sur la broche (18) en question,
    caractérisée en ce
    que l'écart entre des axes verticaux (24) voisins est inférieur au diamètre du cercle de coupe (26) du disque abrasif (20).
  2. Meuleuse continue selon la revendication 1,
    caractérisée en ce
    que des disques abrasifs (20) voisins sont retenus sur leurs broches (18) à la même distance du centre de sorte que les outils de meulage (16) tournent de façon excentrique au même pas.
  3. Meuleuse continue selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que des outils de meulage (16) voisins tournent dans le même sens de rotation.
  4. Meuleuse continue selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que le disque abrasif (20) est monté sur la broche (18) à une distance comprise entre environ 0,5 cm et 5 cm, de préférence entre 1 cm et 2 cm, de son centre.
  5. Meuleuse continue selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que des outils de meulage (16) voisins sont reliés ensemble au moyen d'une courroie (32), notamment d'une courroie crantée.
  6. Meuleuse continue selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que le disque abrasif a une forme elliptique, rectangulaire ou d'étoile.
  7. Meuleuse continue selon l'une quelconque des revendications précédentes,
    caractérisée par
    une seconde rangée d'outils de meulage, les outils de meulage de la seconde rangée étant décalés de telle sorte par rapport aux outils de meulage de la première rangée que les outils de meulage sont disposés en quinconce.
EP06009000A 2005-07-11 2006-04-29 Ponceuse au défilé pour traiter une pièce en surface plane Not-in-force EP1743737B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005010997U DE202005010997U1 (de) 2005-07-11 2005-07-11 Durchlaufschleifmaschine zum Bearbeiten einer ebenen Werkstückoberfläche

Publications (2)

Publication Number Publication Date
EP1743737A1 EP1743737A1 (fr) 2007-01-17
EP1743737B1 true EP1743737B1 (fr) 2009-01-28

Family

ID=35062772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06009000A Not-in-force EP1743737B1 (fr) 2005-07-11 2006-04-29 Ponceuse au défilé pour traiter une pièce en surface plane

Country Status (5)

Country Link
US (1) US20070010178A1 (fr)
EP (1) EP1743737B1 (fr)
AT (1) ATE421914T1 (fr)
DE (2) DE202005010997U1 (fr)
DK (1) DK1743737T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007008648A1 (de) * 2007-02-20 2008-08-21 Heesemann, Jürgen, Dipl.-Ing. Schleifaggregat mit mehreren Schleifköpfen
DE102007022194C5 (de) * 2007-05-11 2018-07-12 Georg Weber Vorrichtung zum Bearbeiten der Kanten und Oberflächen flächiger Werkstücke
CN101898303B (zh) * 2009-05-27 2013-07-17 襄阳汽车轴承股份有限公司 一种微型高精度台阶轴复合加工工艺
CN102962768B (zh) * 2012-11-02 2015-01-28 无锡华联科技集团有限公司 平板砂带打磨机打磨头机构
DE102017122141A1 (de) * 2017-09-25 2019-03-28 Jakob Löwer Inh. von Schumann GmbH & Co. KG Vorrichtung zur Erzeugung eines undefinierten Finishes auf einer Oberfläche eines metallenen Werkstückes im Durchlaufverfahren
CN108838822B (zh) * 2018-06-20 2020-08-25 安徽卓特信息技术有限公司 一种办公家具落地屏风加工用打磨装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US349430A (en) * 1886-09-21 Plate-glass polisher
US1909902A (en) * 1926-02-01 1933-05-16 Simplex Engineering Company Glass polishing apparatus
US2948087A (en) * 1958-11-03 1960-08-09 Reproduction Res Lab Inc Plate graining apparatus
US3107457A (en) * 1959-12-16 1963-10-22 Libbey Owens Ford Glass Co Apparatus for surfacing glass
JPS5347954B2 (fr) * 1973-03-23 1978-12-25
US5496206A (en) * 1994-11-14 1996-03-05 Young; Thomas D. Building block face enhancement apparatus
DE19649282C1 (de) * 1996-11-28 1998-06-10 Witte Metallwaren Gmbh Vorrichtung zum Schleifen oder Polieren von Böden oder Flächen
US6244933B1 (en) * 1999-07-07 2001-06-12 Wolfgang Morkvenas Random orbital finishing apparatus
US6602118B1 (en) * 1999-11-15 2003-08-05 Chad Johnson Orbital finishing sander
IT1315616B1 (it) * 2000-03-15 2003-03-14 Luigi Pedrini Levigatrice per materiali lapidei, dotata di teste multiple allineatesu due travi oscillanti e parallele, nonche' con distanza regolabile.
US7198557B2 (en) * 2001-08-02 2007-04-03 Haney Donald E Sanding machine incorporating multiple sanding motions
DE10338682B4 (de) * 2002-09-25 2010-03-18 Georg Weber Vorrichtung zum Bearbeiten von im wesentlichen flachen Werkstücken
US6869349B2 (en) * 2002-10-10 2005-03-22 Slipcon Holding International Aps Abrading machine with abrading discs, which are moved in a reciprocatory movement transverse to an item
EP1500467A1 (fr) * 2003-07-22 2005-01-26 S.L.M. Immobiliare S.r.l. Appareil et procédé de traitement de surface d'une plaques metallique
DE20319366U1 (de) * 2003-12-13 2004-03-11 Jakob Löwer Inh. von Schumann GmbH & Co. KG Durchlaufschleifmaschine zum Bearbeiten einer ebenen Werkstückoberfläche
US20060014482A1 (en) * 2004-07-15 2006-01-19 Belanger Industrial Products, In. Rotary finishing device
ITBO20050064A1 (it) * 2005-02-09 2006-08-10 Viet Spa Dispositivo di levigatura

Also Published As

Publication number Publication date
EP1743737A1 (fr) 2007-01-17
US20070010178A1 (en) 2007-01-11
ATE421914T1 (de) 2009-02-15
DK1743737T3 (da) 2009-04-14
DE202005010997U1 (de) 2005-09-22
DE502006002740D1 (de) 2009-03-19

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