EP2695707A1 - Dispositif pour l'usinage de surfaces par enlèvement de copeaux - Google Patents

Dispositif pour l'usinage de surfaces par enlèvement de copeaux Download PDF

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Publication number
EP2695707A1
EP2695707A1 EP13178871.3A EP13178871A EP2695707A1 EP 2695707 A1 EP2695707 A1 EP 2695707A1 EP 13178871 A EP13178871 A EP 13178871A EP 2695707 A1 EP2695707 A1 EP 2695707A1
Authority
EP
European Patent Office
Prior art keywords
disc
carriage
carrier
pivot arm
plane
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.)
Granted
Application number
EP13178871.3A
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German (de)
English (en)
Other versions
EP2695707B1 (fr
Inventor
Siegfried Uebleis
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.)
Braun Maschinenfabrik GmbH
Original Assignee
Braun Maschinenfabrik GmbH
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Publication date
Application filed by Braun Maschinenfabrik GmbH filed Critical Braun Maschinenfabrik GmbH
Publication of EP2695707A1 publication Critical patent/EP2695707A1/fr
Application granted granted Critical
Publication of EP2695707B1 publication Critical patent/EP2695707B1/fr
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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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/186—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0038—Other grinding machines or devices with the grinding tool mounted at the end of a set of bars

Definitions

  • the invention relates to a device for machining surfaces comprising a cutting disc, which is set in rotation by means of a rotary drive, according to the preamble of claim 1.
  • the cutting disc is, for example, a milling or grinding wheel used for machining wall, floor or ceiling surfaces, wherein a disc surface is guided parallel to the working surface and pressed against the surface to be machined. It is known to manually guide cutting discs for processing these surfaces in order to remove material layers from these surfaces. Work of this kind is exhausting and tedious and requires long working hours, since usually only about one square meter per hour can be processed by human effort. If the surfaces to be treated also contain contaminants, for example in nuclear power plant areas where the areas of ionizing radiation or contamination by unstable nuclides have been exposed, workers must wear protective suits which make the work even more difficult and dangerous. In particular, the processing of ceiling surfaces can be accomplished only with great effort. In addition, the removed material represents a dust load, which also contaminates the interior air of contaminated areas by contaminants. Covers and exhaust devices would in turn increase the overall weight of the cutting tool and thereby require even greater effort.
  • Claim 1 relates to a device for machining surfaces comprising a cutting disc which is rotated by means of a rotary drive, wherein according to the invention it is provided that the cutting disc is rotatably mounted on a first end of a pivot arm, the second end of a carriage is pivoted, wherein the rotary drive for the disc, and a pivot drive for the pivot arm on the carriage or on the pivot arm are arranged, and the carriage on a support in a direction parallel to the disk plane feed direction is arranged movable.
  • the invention thus provides, on the one hand, a carriage which is movably arranged on a carrier and, on the other hand, a swivel arm, via which the cutting disc is connected to the carriage.
  • the carriage allows remote control of the cutting disc along the carrier, reducing the workers' effort and increasing their safety, as they no longer have to be in the vicinity of the surfaces to be processed.
  • the processing speed is increased significantly by the inventively provided pivot arm, as in the successful positioning of the carrier by pivoting the pivot arm, a larger area can be edited.
  • due to the pivoting of the disc can be processed as wall surfaces and surfaces that are covered in horizontal projection from the carrier by the disc is pivoted in the space between the carrier and the surface to be machined.
  • corner areas of interiors are also better accessible by means of the device according to the invention.
  • Applicant's first experiments have shown that the removal rate, including assembly of the carrier, can be increased to about twenty square meters per hour, which is a twenty-fold increase over the conventional manual processing speed.
  • the driving power of the cutting disc can be significantly increased, namely currently up to about 22 kW.
  • hand-operated machines usually have drive powers of less than 1.5 kW.
  • the pivot drive and the rotary drive are arranged on the carriage or on the pivot arm, a functional, modular unit is created, which can be easily arranged on different carriers. It is advantageous if the feed motor for the movement of the carriage in its feed direction along the carrier is arranged on the carriage, although it is also conceivable that the feed motor is arranged for this purpose on the support and via actuators such as tensioning belts and the like with the Carriage is connected.
  • crossbeams are provided on which the carrier is movably arranged in an adjustment direction parallel to the slice plane and perpendicular to the feed direction.
  • the disc is guided two-dimensionally adjustable in one plane, so that with a single installation of the carrier and cross member an entire floor, wall or ceiling surface can be edited.
  • the cross members may be part of a scaffold, which is positioned free standing above, in front of or below the surface to be machined, or they may be mounted on the surface to be machined.
  • the cutting disc is rotatably mounted at the first end of the pivot arm about an axis of rotation which is perpendicular to the disc plane, and the second end of the pivot arm is hinged to the carriage about a pivot axis which is perpendicular to the disc plane the plane of motion of Disk on pivoting of the pivot arm is parallel to the carrier and the disc is pivotable in this plane of movement both above and below a vertical projection of the carrier on the plane of movement.
  • the disk can therefore be pivoted with unchanged positioning of the carrier both above and below the carrier.
  • the disk is movable by means of a controllable pressing unit in a direction perpendicular to the disk plane pressing device.
  • the contact pressure of the pressing unit is preferably infinitely controllable, the contact pressure defining the milling or grinding depth together with the feed speed.
  • a particularly advantageous embodiment is given here, when the carrier is arranged to be movable on the cross members by means of cross member carriages, and the pressing unit is firmly connected on the one hand to the cross member carriage, and on the other hand to the carrier. In this way, the carrier is moved in a direction perpendicular to the disk plane pressing direction and thus the disc, wherein the pressing unit is supported on the cross member slide on the cross member.
  • the cross member may be rotatably mounted in its axis, so that the milling tool can be set exactly in two axes.
  • a precise adjustment of the milling depth is not only necessary for the "leveling" of areas, but also for the billing of the service and to fulfill the specifications of the client.
  • the service of milling (sanding) walls is usually calculated in square meters, whereby this square meter usually refers to 3 mm milling depth. Must be e.g. a 9 mm thick layer is milled, a square meter of milled wall surface becomes a calculation area of three square meters.
  • the guide according to the invention on the carrier also has the advantage that also any measuring devices can be carried on the carrier in a well-defined distance to the processed wall surface to measure whether the milled surface can already be released, or if another layer removed must become.
  • the disc Since the disc is motorized guided on the carrier, it can be larger in diameter and thus heavier, since the manual effort is no longer limiting size. Furthermore, the disc may be provided with a cover which is closed at its, the pivot arm-facing side, and at its, the pivot arm opposite side is open, wherein the cover has a suction device. Removed material is thus sucked controlled and therefore charged neither the workers, nor the indoor air.
  • the surrounding the peripheral portion of the disc cover of the cover has elastic jacket elements which protrude in the axial direction of the disc on the, the pivot arm facing away from the disc surface. If the disk is pressed with this disk surface to the surface to be machined, thus apply the elastic mantle elements of the cover to the surface to be machined and produce around the disc a largely sealed area.
  • the disk has apertures distributed over the disk surface whose side edges are oblique. In this way, a suction effect is achieved, so that the removed material can be fed through the apertures quickly a, preferably centrally arranged on the cover suction device. It is advantageous to provide the cover with a tangentially projecting intake for ambient air. In this way, an air flow is generated within the cover, which initially runs tangentially from the intake, starting in the outer peripheral regions of the disc, and is subsequently deflected in an increasingly radial direction until it crosses the disc using the apertures and arranged from a centrally Suction is sucked off. Removed material can thus be removed efficiently and without burdening the ambient air.
  • the Fig. 1 shows a first embodiment of the device according to the invention for processing a wall surface 1, in which the cross member 2 are mounted on rail brackets 3 on the wall surface 1 to be processed.
  • mechanical fasteners can be used via screws and the like, magnetic fastening systems, or also by means of negative pressure fastenings.
  • the cross member 2 are always attached only temporarily to the wall surface 1, and serve as an abutment for receiving contact pressure and torque of the device according to the invention during the machining process.
  • the cross members 2 are designed approximately as rails on which a carrier 4 is arranged movable via cross member carriage 5. By means of the cross member carriage 5 thus the carrier 4 in the vertical direction is movable up and down.
  • a carriage 6 is movably arranged along the carrier 4, wherein the direction of movement parallel to the carrier 4, the feed direction of the carriage 6 during processing he wall surface 1 represents.
  • a pivot arm 7 is pivoted, wherein the pivot arm 7 carries at its free end the cutting disc 8.
  • the cutting disc 8 rotates during the processing of the wall surface 1 about a pivot point, which is in the region of the free end of the pivot arm 7, wherein the pivot arm 7 in turn at the same time about a pivot point which is located in the region of the carriage, can be pivoted, in a plane parallel to the disk plane.
  • the pivotability of the pivot arm 7 is preferably 360 ° in this plane.
  • the pressing unit 9 is arranged on a cross member carriage 5 and in particular comprises a pressure cylinder 10, such as a pneumatic cylinder.
  • the pressure cylinder 10 is on the one hand fixedly mounted on the cross member carriage 5, wherein the piston of the Anpresszylinders 10 moves a guided on the cross member carriage 5 control element which is fixedly connected to the carrier 4.
  • the contact pressure of the pressing unit 9 is preferably infinitely controllable, wherein the contact pressure together with the feed rate set the milling or grinding depth.
  • an adjusting motor 11 is arranged on the cross member carriage 5, which causes the vertical up and down movement of the cross member carriage 5 on the cross member 2, such as by a gear is driven, which meshes with a arranged on the cross member 2 rack.
  • the Fig. 4 and the Fig. 5 show an enlarged view of the carriage 6 and the hinged to him disc 8 for the embodiment according to the Fig. 1 ,
  • the swivel arm 7 can be seen, which can be rotated via a rotary drive.
  • the rotary drive is arranged either at the free end of the pivot arm 7 in order to shorten the transmission path for the torque from the rotary drive to the disc 8, or it is arranged on the carriage 6 and connected to the disc 8 via a transmission which bridges the pivot arm 7.
  • the pivot drive 12 is preferably arranged on the carriage 6. In the 4 and 5 are not shown for reasons of clarity hose or cable feeders.
  • the disc 8 is provided on its, the wall surface 1 facing disc surface as with chip-removing abrasive elements 19 made of polycrystalline diamond (PCD).
  • PCD polycrystalline diamond
  • the disc 8 is resiliently mounted on the pivot arm 7, for example by means of a plate spring. Furthermore, the disc 8 is provided with a cover 14, which is closed on its, the pivot arm 7 side facing, and on its, the pivot arm 7 side facing away. To denser the cover of the disc 8 during the processing of the wall surface 1, the circumferential region of the disc 8 surrounding cover 15 of the cover 14 elastic shell elements 16 which protrude in the axial direction of the disc 8 on the pivot arm 7 facing away from the disc surface , If the disk 8 is pressed against the wall surface 1 to be processed with this disk surface, then the elastic jacket elements 16 of the cover 14 are applied to the wall surface 1 and produce a largely sealed region around the disk 8.
  • the disk 8 has apertures 17 distributed over the disk surface, whose side edges are oblique. In this way, a suction effect is achieved, so that the removed material through the openings 17 through a quickly, preferably centrally disposed on the suction hood 14 suction device can be supplied. It is advantageous to provide the cover 15 with a tangentially projecting intake 18 for ambient air. In this way, an air flow within the cover 14 is generated, which initially extends tangentially from the intake manifold 18, starting in the outer peripheral regions of the disc 8, and is subsequently deflected in an increasingly radial direction until it crosses the disc 8 by means of the apertures 17 and is sucked off by a centrally arranged suction device. Furthermore, the carriage 6 has an exhaust pipe 13 for connecting a suction hose, which is connected to a suction opening in the central regions of the cover 14. Removed material can thus be removed efficiently and without burdening the ambient air.
  • a feed motor 20 is arranged on the carriage 6, which causes the horizontal advancing movement of the carriage 6 on the carrier 4, such as by a gear is driven, which meshes with a carrier 4 arranged on the rack.
  • the Fig. 6 shows a further embodiment of the device according to the invention for processing a wall surface 1, in which the cross member 2 part of a scaffold, which is positioned in front of the wall surface 1.
  • the framework is essentially formed by the cross members 2, as well as by supports 22.
  • the Fig. 11 shows a further embodiment of the device according to the invention for processing a ceiling surface, wherein the cross member 2 part of a scaffold, which is positioned below the ceiling surface.
  • the framework is also mounted on a lift 21 to edit different room heights with the same framework can.
  • the structural changes of the components described above are minimal, essentially find the same components apply unchanged.
  • the supports 22 now also serve as an abutment for the cross member carriages 5, which need not be moved vertically in the course of processing a ceiling surface.
  • the pressure cylinder 10 is in turn fixedly mounted on the cross member carriage 5 and thus also supports itself on the supports 22 (see in particular Fig. 12 and 13 ). If, in the case of a specific positioning of the framework, a corresponding partial surface of the ceiling surface has been processed, the entire framework must be repositioned in order to be able to process a next partial surface. This effort is significantly reduced by the pivoting of the disc 8.
  • the Fig. 12 shows an enlarged view of the carriage 6 and the hinged to him disc 8 for the embodiment according to the Fig. 11
  • the Fig. 13 an enlarged view of the pressing unit 9 for the embodiment according to the Fig. 11 , Wherein the execution of the carrier 4, the carriage 6 and the disc 8 that of 4 and 5 correspond.
  • the Fig. 14 shows an enlarged view of the support rollers for the frame according to the embodiment of Fig. 11 , which allow for easier transport of the scaffold when tilted.
  • FIG. 15 is a view of the device according to the invention for processing a wall surface 1 is shown, in which the cross member 2 are part of a scaffold, wherein the machinable surfaces 23 in the form of the surfaces 23a and 23b are located.
  • the surface 23a shows the significantly enlarged working range of the disk 8 when positioning the carrier 4.
  • the surface 23b shows that the end edges of the wall surface 1 are easily accessible, and only small corner regions 24 remain, which can be manually reworked. However, the largest surface portions of the wall surface 1 can be machined and remotely controlled.
  • the operator is connected to the drive motors and the suction device via appropriate cable and hose feeders, but may be in a non-contaminated area.
  • the inventive device may further be equipped with a programmable controller, with the relevant parameters such as speed of rotation of the disc 8, feed rate of the carriage 6, pivoting movements of the swing arm 7, adjustment speeds of the cross member carriage 5, contact pressure of the pressing unit 9, and the travel paths and whose sequence can be preprogrammed according to the respective work situation.
  • a programmable controller with the relevant parameters such as speed of rotation of the disc 8, feed rate of the carriage 6, pivoting movements of the swing arm 7, adjustment speeds of the cross member carriage 5, contact pressure of the pressing unit 9, and the travel paths and whose sequence can be preprogrammed according to the respective work situation.
  • the machining of surfaces by means of cutting tools can be accomplished in such a way that not only the safety and the manual effort of the work is reduced, but also the machining of the surfaces can take place more quickly than with manual processing.
EP13178871.3A 2012-08-06 2013-08-01 Dispositif pour l'usinage de surfaces par enlèvement de copeaux Active EP2695707B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA870/2012A AT513168B1 (de) 2012-08-06 2012-08-06 Vorrichtung zur spanabhebenden Bearbeitung von Flächen

Publications (2)

Publication Number Publication Date
EP2695707A1 true EP2695707A1 (fr) 2014-02-12
EP2695707B1 EP2695707B1 (fr) 2016-03-23

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AT (1) AT513168B1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108166768A (zh) * 2017-12-23 2018-06-15 深圳市晟腾企业管理有限公司 一种建筑施工用吸尘式墙皮清除装置
US10414011B2 (en) 2014-04-15 2019-09-17 Vertical Concrete Polishing Inc. Method and apparatus for applying a uniform texture to a substantially vertical surface
CN110814898A (zh) * 2019-10-15 2020-02-21 广东博智林机器人有限公司 打磨装置及具有其的打磨机器人
AT522449A4 (de) * 2019-05-27 2020-11-15 Markus Muehlehner Vorrichtung zur Bearbeitung von Flächen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017127339A1 (de) 2017-11-20 2019-05-23 Schwamborn Gerätebau Gmbh Anbaugerät sowie Handhabungsvorrichtung mit einem Anbaugerät
DE102018111839A1 (de) * 2018-05-16 2019-11-21 Festool Gmbh Mobile Werkzeugmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648960A1 (de) * 1976-10-28 1978-05-03 Marks Gmbh & Co Kg Vorrichtung zum abfraesen von wandflaechen
WO2004108351A2 (fr) * 2003-06-11 2004-12-16 Htc Sweden Ab Dispositif de broyage
WO2007141320A1 (fr) * 2006-06-07 2007-12-13 Bouygues Construction Dispositif pour le traitement d ' une surface
EP2208573A1 (fr) * 2009-01-15 2010-07-21 Permasteelisa North America Corporation Système de dépolissage et de polissage de mur en pierre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2928571B1 (fr) * 2008-03-12 2010-03-19 Mbh Dev Structure roulante support d'au moins un outil de poncage et similaire pour des travaux sur les parois et plafonds

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2648960A1 (de) * 1976-10-28 1978-05-03 Marks Gmbh & Co Kg Vorrichtung zum abfraesen von wandflaechen
WO2004108351A2 (fr) * 2003-06-11 2004-12-16 Htc Sweden Ab Dispositif de broyage
WO2007141320A1 (fr) * 2006-06-07 2007-12-13 Bouygues Construction Dispositif pour le traitement d ' une surface
EP2208573A1 (fr) * 2009-01-15 2010-07-21 Permasteelisa North America Corporation Système de dépolissage et de polissage de mur en pierre

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10414011B2 (en) 2014-04-15 2019-09-17 Vertical Concrete Polishing Inc. Method and apparatus for applying a uniform texture to a substantially vertical surface
US20200001422A1 (en) * 2014-04-15 2020-01-02 Vertical Concrete Polishing Inc. Method and apparatus for applying a uniform texture to a substantially vertical surface
CN108166768A (zh) * 2017-12-23 2018-06-15 深圳市晟腾企业管理有限公司 一种建筑施工用吸尘式墙皮清除装置
AT522449A4 (de) * 2019-05-27 2020-11-15 Markus Muehlehner Vorrichtung zur Bearbeitung von Flächen
AT522449B1 (de) * 2019-05-27 2020-11-15 Markus Muehlehner Vorrichtung zur Bearbeitung von Flächen
CN110814898A (zh) * 2019-10-15 2020-02-21 广东博智林机器人有限公司 打磨装置及具有其的打磨机器人

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Publication number Publication date
AT513168B1 (de) 2014-08-15
AT513168A1 (de) 2014-02-15
EP2695707B1 (fr) 2016-03-23

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