EP1466698A1 - Dispositif pour le traitement des surfaces - Google Patents

Dispositif pour le traitement des surfaces Download PDF

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Publication number
EP1466698A1
EP1466698A1 EP04006689A EP04006689A EP1466698A1 EP 1466698 A1 EP1466698 A1 EP 1466698A1 EP 04006689 A EP04006689 A EP 04006689A EP 04006689 A EP04006689 A EP 04006689A EP 1466698 A1 EP1466698 A1 EP 1466698A1
Authority
EP
European Patent Office
Prior art keywords
housing unit
rotation
housing
processing surfaces
tool holder
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
EP04006689A
Other languages
German (de)
English (en)
Other versions
EP1466698B1 (fr
Inventor
Daniel Böhler
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.)
Guenther Boehler GmbH
Original Assignee
Guenther Boehler GmbH
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
Priority claimed from DE10316238A external-priority patent/DE10316238A1/de
Application filed by Guenther Boehler GmbH filed Critical Guenther Boehler GmbH
Publication of EP1466698A1 publication Critical patent/EP1466698A1/fr
Application granted granted Critical
Publication of EP1466698B1 publication Critical patent/EP1466698B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
    • 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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
    • 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

Definitions

  • the invention relates to a device for Processing of surfaces, in particular with a grinding or Polishing tool, the device in particular as motor-driven hand machine tool is designed.
  • Machines for processing surfaces using a driven grinding or polishing wheel are in different versions known. These include for example so-called orbital sander or Orbital sander, where a holder for the actual tool, the sandpaper, by means of a a motor rotating eccentric is vibrated.
  • the tool holders independent from each other for all-round pivoting of the axis of rotation can be swiveled within a predetermined angular range a ball joint-like bracket mounted in a housing and can be driven to rotate in any pivot position.
  • a disadvantage with these previous grinding or Polishing machines is that achieving one uniform grinding pattern only with relatively great experience is possible because the individual tools e.g. in the form of Grinding or polishing plates of the machines during their rotation Only process a certain defined partial area at a time and the entire machine to machine a larger one contiguous area by the operator by hand the surfaces to be processed must be moved. For this is on the one hand an extensive, even movement of the Operator usually required with great effort and on the other hand, it is only with a high level of experience and Skill of the operator possible, the tool in keep even engagement and visible traces of grinding or irregularities between the Avoid single machining areas. Furthermore, for It takes a relatively long time to process a larger area because the simultaneously editable area of such Device on the sum of the individual processing areas of the individual grinding or polishing plates of the machine is.
  • the object of the invention is therefore a To provide a device for processing surfaces, which avoids the disadvantages described above or at least weakened.
  • the device according to the invention enables by the Superimposing the rotation of the individual tool holder (s) with the rotation of the housing unit, on or in which the Tool holder (s) is / are stored, an enlargement of the Work surface, a much better and faster Machining result, and a good overlay of the Grinding marks resulting in a very good and uniform sanding pattern with a noticeably reduced Movement and without the need for great experience or Dexterity of the operator.
  • the inventive device for processing Using the example of one of the surfaces in FIGS. 1 to 4 shown grinding or polishing machine with 3 rotating and individually pivoted tool holders similar to the grinding machine according to DE 44 47 already explained above 162 A explained.
  • the inventive device for processing Using the example of one of the surfaces in FIGS. 1 to 4 shown grinding or polishing machine with 3 rotating and individually pivoted tool holders similar to the grinding machine according to DE 44 47 already explained above 162 A explained.
  • the inventive device for processing Using the example of one of the surfaces in FIGS. 1 to 4 shown grinding or polishing machine with 3 rotating and individually pivoted tool holders similar to the grinding machine according to DE 44 47 already explained above 162 A explained.
  • the device according to the invention has a housing, the first, in the example upper housing unit 1 and one second, in the example lower housing unit 2 comprises.
  • the device is in use by to hold an operator.
  • One or more can do this Handle (s) 14 and / or one specially for the purpose designed housing shape may be provided.
  • housing unit 2 has three tools 4 Tool holders 9 and e.g. via an adhesive connection, a Velcro fastener, microreplications or one Clamping device detachably attached grinding or Polishing means 15 rotatable and preferably pivotable on all sides stored in corresponding receptacles 13 on the underside.
  • the number of tool holders 9 used is in itself arbitrary, so that in extreme cases even a single one Tool holder or two or more than three holders possible are.
  • the recordings must be at least one Working axis serving axis of rotation 11 can be rotatably supported - the simultaneous swiveling of the axis of rotation is for the Machining curved surfaces is not an advantage indispensable.
  • the rotation of each Tool holders is in Figs. 1 and 2 by arrows B indicated. There is also an eccentric rotary movement of the individual tool holders possible in principle.
  • the tool holders can preferably be exchanged be so that according to the desired processing purpose the type of tool holder (for grinding tools, Polishing tools etc.) and / or the diameter of the Tool holders can be adjusted.
  • the adaptation of the Diameter is advantageous in terms of each Circumferential speeds and the best forces To be able to achieve machining results.
  • at least not rotationally driven tool holders conceivable (not shown), which are suitably on the bottom of the second housing unit 2 are attached or stored.
  • the first and second housing units 1 and 2 are in the illustrated embodiment relative to each other concentrically rotatable and for this later Storage 3 described in more detail coupled, so that by holding the first housing unit 1 a Rotation of the second housing unit 2 is possible.
  • This Rotary movement is in Figs. 1 and 2 by the arrow C. indicated.
  • A (not shown) is also conceivable eccentric bearing of the two housing units 1 and 2 to each other.
  • the device drive means for driving the Tool holders 9 and for driving the second Housing unit 2 for rotation relative to the first Housing unit 1 provided.
  • a sealing device provided, such as in FIGS. 3 and 4 shown schematically as one on the outer circumference of the two Units 1 and 2 molded gap or labyrinth seal 8 interlocking projections can be performed.
  • a sealing element or an airflow seal may be provided. The airflow can here by a cooling fan of a drive motor on one Place of the housing sucked in and through the gap between the housing units 1 and 2 are ejected to the Penetration of dust between the housing units prevent.
  • the fixed housing unit 1 can be shaped so that they the rotating housing unit on Outer circumference partially overlaps or overlaps and the exposed part of the rotating housing unit minimized becomes. This design improves handling, reduced the risk of injury to the operator improves the Sealing between the housing units and can rotating housing unit against mechanical influences protect.
  • the drive means for driving the tool holders 9 and for driving the second housing unit 2 to rotate relative to the first housing unit 1 preferably comprise a common electrical, pneumatic or hydraulic Rotary drive source 10 in the form of a motor. That engine can as shown in the first housing unit 1 or alternatively also arranged in the second housing unit 2 his.
  • the output torque of the motor 10 is from the Output shaft 5 of the motor 10 to one in the second Housing unit 2 recorded and good in Figures 3 and 4 Gear 9 to be recognized on the rotary shafts 18 of the individual Transfer tool holders 9.
  • the rotary shafts 18 of the tool holders 9 are over Bearings 16 and 17 in the second housing unit 2 around Rotational axes 11 rotatably mounted.
  • the storage 17 is located also in one in the lower side of the case second housing unit 2 tiltably held receptacle 13 which in turn is attached to the tool holder 9. Thereby is a tilting of the tool holder 9 and thus the axis of rotation 11 possible outside of the device.
  • the second housing unit 2 is included the first housing unit 1 coupled so that a Relative rotation C between these two units possible is.
  • a storage for example a Radial rolling or plain bearings 3 on the one hand with the Output shaft 5 of the motor 10 and on the other hand with the second housing unit 2 connected.
  • the connection can be like shown done via an intermediate sleeve 19, so that a Coupling the two housing units during assembly and one Separation for maintenance is easily possible.
  • the second Housing unit 2 is thus mounted on the motor shaft 5 and concentric to this rotatable.
  • the second Housing unit 2 also has a bearing with the first Housing unit 1 coupled, the inner and outer rings are each attached to the housing units themselves. This bearing can also be designed as a thrust bearing.
  • Friction wheels 7 In the area between the housing units 1 and 2 there are three drive elements in the example in the form of Friction wheels 7, each with the second housing unit 2 led out end portions 20 of the drive shafts 18 of the individual tool holders are rotatably coupled. about the friction wheels 7 on an inner peripheral surface 21 of one attached to the underside of the first housing unit 1 Flange fit, a torque from the Transfer drive shafts 18 to the first housing unit 1 and, if the first housing unit 1 is held, the second housing unit 2 relative to the first housing unit in Rotation offset.
  • the three correspond to the Tool holders evenly spaced around the center Friction wheels 7 also support the first housing unit 1 in Outside area opposite the second housing unit 2 from prevent the housing units from tilting towards one another and ensure the coaxial rotation.
  • axial support like a circumferential stop or a groove for the friction wheels on the flange, sliding surfaces or support rollers outdoors be provided.
  • the friction wheel is or the friction wheels are preferably so designed that the friction lining is replaced when worn can be.
  • Embodiment can the friction wheel on the outer geometry be bevelled accordingly by changing the axial position an adjustment of the speed of the rotating housing part by changing the effective diameter on the friction wheel.
  • a corresponding one Adjustment mechanism can be from the outside of the case be accessible to the settings in operation on simple Way by a user.
  • Drive elements for the transmission of the torque for the Rotation of the housing units 1 and 2 can also be a positive coupling in the form of a gear and one e.g. formed on the inner peripheral surface 21 of the flange matching teeth can be provided.
  • a frictional coupling and power transmission of the torque in particular on the housing units also to see on the tool holders that at appropriate choice of the coefficient of friction holding on or stopping or a delay from outside is possible.
  • the rotation of the friction wheels does not have to be as necessary shown on the drive shafts of the tool holders respectively.
  • the rotation can also be on the intermediate shafts or on the central motor shaft instead.
  • a suitable drive means e.g. in shape a further gear stage or a belt drive provided.
  • a traction mechanism preferably made of poly-V or Timing belts can be used.
  • a Gearbox would be aimed at in particular Reversal of directions of rotation as well as with regard to Noise emissions advantageous.
  • this variant can drive the rotating housing part independently and decoupled from the drive of the tool holders his.
  • a particularly advantageous extension of this Embodiment consists of separate, independent control or regulation of the individual Rotary drive sources with appropriately set up Control means (electrical, electronic, mechanical), the respective output speeds and directions of rotation and thus the resulting forces and torques depending on the respective processing situation (e.g.
  • the one to be processed Material, the roughness of the surface to be processed etc. preferably continuously adjustable and thus externally occurring and otherwise by the user too to further reduce compensating machining forces or to make a better and more pleasant To achieve editing.
  • the variant with its own rotary drive sources can each depending on the performance characteristics of the drive sources, if necessary, on Gearboxes are dispensed with, unless this is used Distribution of one drive torque over several Tool holders are required.
  • the individual rotary drive sources in the respective Housing units may be necessary be the supply of energy (electric current, hydraulic or Pneumatic pressure medium) through the axis of rotation between the To lead housing units.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Multi-Process Working Machines And Systems (AREA)
EP04006689A 2003-04-09 2004-03-19 Dispositif pour le traitement des surfaces Expired - Lifetime EP1466698B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10316238A DE10316238A1 (de) 2003-01-27 2003-04-09 Vorrichtung zur Bearbeitung von Oberflächen
DE10316238 2003-04-09

Publications (2)

Publication Number Publication Date
EP1466698A1 true EP1466698A1 (fr) 2004-10-13
EP1466698B1 EP1466698B1 (fr) 2007-05-16

Family

ID=32864399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04006689A Expired - Lifetime EP1466698B1 (fr) 2003-04-09 2004-03-19 Dispositif pour le traitement des surfaces

Country Status (3)

Country Link
EP (1) EP1466698B1 (fr)
AT (1) ATE362420T1 (fr)
DE (1) DE502004003817D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018251730A1 (de) 2018-12-27 2020-07-02 Robert Bosch Gmbh Handwerkzeugmaschine
DE102018251718A1 (de) 2018-12-27 2020-07-02 Robert Bosch Gmbh Handwerkzeugmaschine
WO2020136086A1 (fr) 2018-12-27 2020-07-02 Robert Bosch Gmbh Machine-outil portative
DE102018251715A1 (de) 2018-12-27 2020-07-02 Robert Bosch Gmbh Handwerkzeugmaschine
RU202864U1 (ru) * 2019-02-04 2021-03-11 Александр Алексеевич Дайлов Обдирная головка мозаично-шлифовальной машины

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1700642U (de) * 1953-06-15 1955-06-16 Otto Rupp Vorrichtung zum spaenen von fussboeden usw.
DE930948C (de) * 1948-09-25 1955-07-28 Mueller Bruetsch & Co Maschine zum Reinigen von Fussboeden
EP0397448A2 (fr) * 1989-05-09 1990-11-14 Kabushiki Kaisha Isekikaihatsu Koki Dispositif de travail à l'intérieur de tuyaux
US20030064670A1 (en) * 2001-10-02 2003-04-03 Matthew Carr Worktool

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104993A1 (de) * 2001-02-03 2002-08-22 Bosch Gmbh Robert Handwerkzeugmaschine zum Schleifen, Polieren oder dergleichen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE930948C (de) * 1948-09-25 1955-07-28 Mueller Bruetsch & Co Maschine zum Reinigen von Fussboeden
DE1700642U (de) * 1953-06-15 1955-06-16 Otto Rupp Vorrichtung zum spaenen von fussboeden usw.
EP0397448A2 (fr) * 1989-05-09 1990-11-14 Kabushiki Kaisha Isekikaihatsu Koki Dispositif de travail à l'intérieur de tuyaux
US20030064670A1 (en) * 2001-10-02 2003-04-03 Matthew Carr Worktool

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018251730A1 (de) 2018-12-27 2020-07-02 Robert Bosch Gmbh Handwerkzeugmaschine
DE102018251718A1 (de) 2018-12-27 2020-07-02 Robert Bosch Gmbh Handwerkzeugmaschine
WO2020136086A1 (fr) 2018-12-27 2020-07-02 Robert Bosch Gmbh Machine-outil portative
WO2020136087A1 (fr) 2018-12-27 2020-07-02 Robert Bosch Gmbh Machine-outil portative
DE102018251715A1 (de) 2018-12-27 2020-07-02 Robert Bosch Gmbh Handwerkzeugmaschine
CN111376153A (zh) * 2018-12-27 2020-07-07 罗伯特·博世有限公司 手持式工具机
EP3677379A1 (fr) 2018-12-27 2020-07-08 Robert Bosch GmbH Machine-outil manuelle
CN113490573A (zh) * 2018-12-27 2021-10-08 罗伯特·博世有限公司 手持式工具机
CN113490573B (zh) * 2018-12-27 2023-10-27 罗伯特·博世有限公司 手持式工具机
RU202864U1 (ru) * 2019-02-04 2021-03-11 Александр Алексеевич Дайлов Обдирная головка мозаично-шлифовальной машины

Also Published As

Publication number Publication date
ATE362420T1 (de) 2007-06-15
DE502004003817D1 (de) 2007-06-28
EP1466698B1 (fr) 2007-05-16

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