EP2611571A1 - Werkzeugmaschine, insbesondere handwerkzeugmaschine - Google Patents
Werkzeugmaschine, insbesondere handwerkzeugmaschineInfo
- Publication number
- EP2611571A1 EP2611571A1 EP11749172.0A EP11749172A EP2611571A1 EP 2611571 A1 EP2611571 A1 EP 2611571A1 EP 11749172 A EP11749172 A EP 11749172A EP 2611571 A1 EP2611571 A1 EP 2611571A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine tool
- working
- belt
- excitation actuator
- tool according
- 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
Links
- 230000005284 excitation Effects 0.000 claims abstract description 36
- 238000000227 grinding Methods 0.000 claims description 17
- 238000005498 polishing Methods 0.000 claims description 13
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
-
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/22—Accessories for producing a reciprocation of the grinding belt normal to its direction of movement
-
- 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
- B24B23/06—Portable grinding machines, e.g. hand-guided; Accessories therefor with abrasive belts, e.g. with endless travelling belts; Accessories therefor
Definitions
- Machine tool in particular hand tool.
- the invention relates to a machine tool, in particular a hand tool, according to the preamble of claim 1.
- PRIOR ART Grinding machines of the aforementioned type designed as hand tool machines are known from DE 10 2004 061 222 B3.
- a support plate is provided as a supporting arrangement for the working means, via which a working position for the working means is predetermined and the working means is driven ben driven to driven to the surface to be machined workpiece parallel working plane.
- the working medium is high-frequency over a
- Excited actor which operates on ultrasound basis and acts on the working fluid via a lying between this and the support plate gel mass.
- the oscillation excitation via the excitation actuator takes place vertically or horizontally to the working plane with the aim of refining the surface, in which grinding machines with oscillating or rotating drive of the support arrangement as well as belt grinders are provided as such machine tools.
- the invention has for its object to extend by means of the high-frequency impingement of the working fluid whose usable with good work results life.
- the type of action of the working medium on the workpiece surface to be machined is not influenced directly due to the oscillating, in particular high-frequency excitation of the working medium, but rather the working medium is outside the contact area between the working medium and the workpiece, in particular in the working plane correspondingly excited region, in particular high-frequency acted upon.
- This is such that the working structure of the working fluid is freed of any deposits or adhesions, so for example not affected by adhering deposits and / or impurities.
- the oscillatory loading of the working medium via the respective excitation actuator preferably takes place on the rear side of the working medium remote from the working side, and in turn preferably orthogonally to the direction of extent of the working medium.
- a preferred solution in this respect is to apply it in a region remote from its length along the working plane, in which case the region of the returning strand which extends freely between the deflections is a preferred starting region for one or forms several excitation actuators, which access the band directly or indirectly, optionally via one or more blow bars as transmission elements.
- At least one excitation actuator is provided as an excitation element for a plurality of blow bars, which extend like individual strips preferably transversely to the direction of rotation of the working means, it may be appropriate to spaced them in the circumferential direction, and possibly also angled employed to provide wavy excitation pattern, the favor a detonating cleaning of the respective deposits.
- excitation actuators in particular piezoelectric elements are possible as excitation actuators, according to the invention excitation can also take place on a magnetoresistive basis, wherein operating frequencies in the range of 15 kHz to 1 MHz, but typically from 20 kHz to 60 kHz are used, and this at a power of an excitation actuator, which is preferably of the order of 20 W or more for this purpose.
- the power density for the purpose of the present invention intended ultrasonic actuators is 5 or more W / cm3 piezo volume, typically more than 20W / cm3 piezo volume, with an active piezoelectric volume of> 0.2 cm3, preferably> 1 cm3 is provided.
- a phase-locked chain is also provided for accurate excitation in the resonant frequency for maximum power output, the excitation being effected, if possible, with the phase shift 0 ° of current and voltage.
- a hand tool that can be handled easily can be designed, in particular, as a grinding or polishing tool, with preferably not only the excitation actuator, in particular in the form of an ultrasound generator, but also the control electronics and the power supply in the
- Machine housing are arranged integrated and instead of or in addition to a possible power supply and a power supply via a battery pack, in particular an attachable battery pack can be done.
- a battery pack in particular an attachable battery pack can be done.
- it is also the work equipment, in particular in
- Shape of a grinding or polishing belt vibrating vibrating on a magnetic or inductive basis.
- the working fluid such as the grinding or polishing belt
- a hand tool 1 in the form of a hand-held belt grinder 2 is shown, which has a rotating grinding belt 4 as a working means 3, which is supported via a support assembly 5 with pulleys 6 and 7 to the machine housing 8.
- the machine housing 8 receives the drive for the grinding belt 4, wherein a corresponding drive motor 9 is indicated schematically, with at least one of the deflection rollers 6, 7 is drivingly connected, over which the grinding belt 4 is guided.
- the deflection rollers 6, 7 are arranged parallel axis to each other and between the support areas of the sanding belt 4 to the deflection rollers 6, 7, this extends with its exposed Trümmen 10, 1 1. Here is under a strand in particular a free, non-resting portion of the sanding belt 4th Understood.
- Trummen 10, 1 1 extends in the presentation lower, the surface to be machined 12 of a schematically illustrated in the example workpiece 13 facing strand 1 1 in the respective working level 100 in which it rests on the surface to be machined 12 and - in particular rubbing, cutting, scratching, grinding, polishing - in dependence on the type of working medium 3 erosive and / or smoothing over these moves. Associated with this is on the part of the surface 12 of the workpiece 13, a more or less strong abrasion, and a certain dulling of the working fluid.
- these factors also determine whether and to what extent a respective abrasion on the rotating working means 3 from the respective work zone extending in the work plane 100 is carried by the circulating work equipment or, in particular material-dependent and temperature-dependent, connects with the work equipment and where appropriate, makes its working structure useless, be it by blunting, gluing or baking.
- the invention In order to exclude the latter impairments, in particular a blending, sticking and / or baking, the invention
- the excitation actuator 15 itself acts on the working means 3 and engages, for example, in a strip-like configuration, corresponding to the transmission member 14, on the rear side at the upper run 10.
- a particularly efficient, knocking action on the working means 3 results when the transmission member 14, possibly also acting directly on the working means 3 excitation actuator 15, the working means 3 is arranged so that only upon excitation of the excitation actuator 15, a touching loading of the working medium. 3 results, but otherwise the working means 3 is free to the transmission member 14 and the Anreungsaktor 15.
- a vibration excitation on a magnetic or inductive basis can take place via excitation actuators provided for this purpose.
- the inventive, largely enclosed by the machine housing 8 accommodation of the support assembly 5 and the working means 3 makes it possible in an advantageous manner, the working means 3 via the excitation actuator 15, directly or indirectly with the interposition of the transfer member 14, detached, in particular blasted impurities in particular directly via a Machine housing 8 associated with or recorded by the machine housing 8 suction device to detect, which can be constructed and formed in the usual way, whereby a corresponding collecting container for machine housing 8 can be provided removably or detachably.
- a suction device is indicated schematically at 16 in the form of a blower, which is preferably co-operated via the drive motor 9 of the support arrangement 5 and over which an air duct extending along the upper run 10 is forced.
- a suction opening 18 is provided at the end of the machine housing 8, on which the sanding belt 4, optionally also designed as a polishing tape working means 3 ascending from the working level 100 via the guide roller 6 of the support assembly 5 in the machine housing enters, so that on the one hand sucked through the working means 3 abrasion is sucked out of the work area and on the other hand, the suction - symbolized by the arrows 22 - on the upper run 10 to a preferably laterally provided on the machine housing 8 outlet 19 is performed.
- a collection of the abrasion can take place, for example in a collecting bag which is connected to the nozzle containing the outlet opening 19.
- a dust collection integrated into the housing 8 can also take place.
- the direction of rotation 17 for the working means 3 in the area of the lower run 11 extending substantially in the working plane 100 runs counter to the working direction 20 for the belt sander 2 shown.
- For better handling of the belt grinder may be provided with laterally provided for the machine housing 3 handles.
- the invention thus provides a preferably hand-guided, electrically driven belt grinder, which is acted upon outside of the grinding belt given working level 100 to the workpiece, in particular in a free-running band area via an excitation actuator, in particular a piezoelectric element, high-frequency, direct or indirect, especially To free the abrasive belt of deposits and thus to keep its working structure.
- an excitation actuator in particular a piezoelectric element, high-frequency, direct or indirect, especially To free the abrasive belt of deposits and thus to keep its working structure.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010040140A DE102010040140A1 (de) | 2010-09-02 | 2010-09-02 | Werkzeugmaschine, insbesondere Handwerkzeugmaschine |
| PCT/EP2011/064788 WO2012028564A1 (de) | 2010-09-02 | 2011-08-29 | Werkzeugmaschine, insbesondere handwerkzeugmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2611571A1 true EP2611571A1 (de) | 2013-07-10 |
| EP2611571B1 EP2611571B1 (de) | 2014-12-24 |
Family
ID=44514744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11749172.0A Not-in-force EP2611571B1 (de) | 2010-09-02 | 2011-08-29 | Werkzeugmaschine, insbesondere handwerkzeugmaschine |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9327377B2 (de) |
| EP (1) | EP2611571B1 (de) |
| JP (1) | JP5619286B2 (de) |
| CN (1) | CN103079759B (de) |
| DE (1) | DE102010040140A1 (de) |
| RU (1) | RU2013114410A (de) |
| WO (1) | WO2012028564A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2650081B1 (de) * | 2012-04-13 | 2013-11-27 | Supfina Grieshaber GmbH & Co. KG | Verfahren und Vorrichtung zur Finishbearbeitung einer Werkstückoberfläche |
| DE102013200838A1 (de) | 2013-01-21 | 2014-07-24 | Robert Bosch Gmbh | Bandschleifmaschine |
| JP2014148018A (ja) * | 2013-02-01 | 2014-08-21 | Makita Corp | 手持式電動研磨機 |
| US10131042B2 (en) | 2013-10-21 | 2018-11-20 | Milwaukee Electric Tool Corporation | Adapter for power tool devices |
| CN106737120B (zh) * | 2017-01-15 | 2020-01-07 | 广州东荣轴承设备有限公司 | 一种超精研磨迭加高频振荡装置 |
| CN117140326B (zh) * | 2023-10-31 | 2024-01-26 | 南通成科精密铸件有限公司 | 一种用于炉具铸件的表面处理装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3273288A (en) * | 1962-04-25 | 1966-09-20 | Cavitron Ultrasonics Inc | Ultrasonic grinding and honing |
| US3430390A (en) * | 1965-12-17 | 1969-03-04 | Whittaker Corp | Cutting machines and tools for composite materials |
| US3517460A (en) * | 1966-04-26 | 1970-06-30 | Donald R Stewart | Abrading tool control systems |
| SU1404307A1 (ru) * | 1986-04-03 | 1988-06-23 | Научно-производственное объединение "Атомкотломаш" | Устройство дл очистки абразивной ленты |
| DE4430152A1 (de) * | 1994-08-25 | 1996-02-29 | Werner Osterhage | Handhabungsgerät mit Elektro-Ringmagnet-Schwingantrieb |
| US5643062A (en) * | 1995-05-23 | 1997-07-01 | James R. Joseph | Manicure machine |
| JPH09267241A (ja) | 1996-04-03 | 1997-10-14 | Mitsubishi Heavy Ind Ltd | 突起欠陥修正装置 |
| US6392329B1 (en) | 1999-10-12 | 2002-05-21 | Face International Corp. | Piezoelectric vibrating apparatus |
| DE10041925A1 (de) | 2000-08-25 | 2002-03-21 | Adrian Riegel | Schleifverfahren und Vorrichtung zur Durchführung |
| JP2002301643A (ja) | 2001-04-06 | 2002-10-15 | Asahi Glass Co Ltd | ガラス搬送用ローラの研磨装置 |
| DE10125483A1 (de) * | 2001-05-25 | 2002-11-28 | Hilti Ag | Schleifgerät mit einer Zusatzbewegung |
| JP3867840B2 (ja) | 2001-09-19 | 2007-01-17 | 株式会社日立ハイテクノロジーズ | 研磨装置 |
| DE102004061222B3 (de) | 2004-12-20 | 2006-07-13 | Kastriot Merlaku | Schleifmaschine |
-
2010
- 2010-09-02 DE DE102010040140A patent/DE102010040140A1/de not_active Withdrawn
-
2011
- 2011-08-29 US US13/819,744 patent/US9327377B2/en not_active Expired - Fee Related
- 2011-08-29 JP JP2013526423A patent/JP5619286B2/ja not_active Expired - Fee Related
- 2011-08-29 WO PCT/EP2011/064788 patent/WO2012028564A1/de not_active Ceased
- 2011-08-29 RU RU2013114410/02A patent/RU2013114410A/ru not_active Application Discontinuation
- 2011-08-29 CN CN201180041609.8A patent/CN103079759B/zh not_active Expired - Fee Related
- 2011-08-29 EP EP11749172.0A patent/EP2611571B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012028564A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013539417A (ja) | 2013-10-24 |
| RU2013114410A (ru) | 2014-10-10 |
| CN103079759B (zh) | 2016-07-06 |
| WO2012028564A1 (de) | 2012-03-08 |
| CN103079759A (zh) | 2013-05-01 |
| DE102010040140A1 (de) | 2012-03-08 |
| US9327377B2 (en) | 2016-05-03 |
| EP2611571B1 (de) | 2014-12-24 |
| US20130331011A1 (en) | 2013-12-12 |
| JP5619286B2 (ja) | 2014-11-05 |
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