EP1129822B1 - Exzentertellerschleifer - Google Patents
Exzentertellerschleifer Download PDFInfo
- Publication number
- EP1129822B1 EP1129822B1 EP01101595A EP01101595A EP1129822B1 EP 1129822 B1 EP1129822 B1 EP 1129822B1 EP 01101595 A EP01101595 A EP 01101595A EP 01101595 A EP01101595 A EP 01101595A EP 1129822 B1 EP1129822 B1 EP 1129822B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grinding
- disc
- gearing
- eccentric
- sanding
- 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
Links
Images
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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/03—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor the tool being driven in a combined 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
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
- B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
Definitions
- the invention relates to an eccentric disc grinder, in which driving the sanding pad unit Gear parts against the ingress of grinding dust are sealed according to the preamble of claim 1.
- An eccentric disc grinder also goes, for example also from DE 36 25 671 C1.
- This Eccentric disc grinder becomes the seal of one rubber-elastic, attached to the machine housing Wrinkled membrane formed, which rotates about a bearing the drive shaft or the sanding pad of the Sanding pad unit sits and the machine housing concludes above the sanding plate.
- DE 4023464 A is a motor-driven Hand grinder protruding, where the accumulating dust by means of a suction device via Staubabsaugkanäle is sucked, which traverse the grinding element and in a sealed to the outside Staubabsaugraum open above the grinding element.
- the invention is based on the problem, a generic Exzentertellerschleifer so to further develop, on the one hand, an optimal and easy to manufacture seal the gear and Drive parts, on the other hand, a self-extraction of Sanding dust is possible.
- the arranged in the gear cover element Air guide made possible by optimal air line a high suction efficiency.
- the sealing element releasably attached to the Fastening gear cover element is not only a very fast assembly allows, but especially a very quick dismantling, For example, the sealing element at a To replace damage.
- the sealing element is designed as a sealing bellows, the at one, provided on the sanding plate holder Support ring and at least one attachment dome releasably secured to the transmission lid member are arranged projecting towards the sanding pad, the attachment via a support ring and a Sliding ring on which the sealing element by means of a Ring spring takes place.
- the attachment to the Fastening dome happens through a tension wire.
- the air guide element for Sanding plate facing annular projection having.
- the annular projection are preferably arranged uniformly distributed over the circumference Openings provided which the Schleifstaubabsaugung optimize.
- Figure 1 is schematically the lower part of a Exzentertellerschleifers shown, wherein the better overview of the sanding plates and the housing of the eccentric disc grinder have been omitted.
- Fig. 2 shows a partially sectioned perspective view of the gear cover element with attached elements of the Exzentertellerantriebs.
- FIG. 3 is finally a sectional view of a Exzentertellerantriebs one of the invention use revealing eccentric disc grinder.
- a housing 30 of an eccentric disc grinder (see FIG. Fig. 3) is on its the grinding plate 35th facing side by a gear cover element. 1 completed.
- a gear cover element 1 On the gear cover element 1 is a elastic flow guide 2, for example, by Arranged arranged, which one to the sanding plate 35 facing projection 2a has.
- This Flow guide 2 allows for a optimal extraction of the grinding process Grinding dust, on the other hand it serves as a braking element for Deceleration of the grinding plate 35 in detail below to be described Fritechnischsmitmpletique.
- Centric in the gear cover element element 1 is also designated as a whole with 13 Grinding plate receiving arranged (see also FIG. 1 and Fig. 2).
- This sanding pad receptacle 13 has a Outboard spur gear 13a on which in itself known manner in a mecanicstirntechnikrad 33, which in the housing 30 of the eccentric disc grinder rotatably but axially displaceable, rolls.
- a Rotary bearing for example, a deep groove ball bearing 6th by means of a securing ring 8, as well as a needle sleeve 7 attached.
- the deep groove ball bearing 6 and the needle sleeve 7 serve the rotatable recording of Sanding plate 35.
- a Slip ring 5 and a support ring 3 is fixed, wherein the Support ring 3, for example, an aluminum alloy whereas the slide ring is a steel part.
- the slide ring 5 and the support ring 3 are on one the sanding plate holder 13 provided recording pressed.
- a second sealing element 4 is fixed, for example by provided on the sealing element 4 lips 4a, which are adapted to the slide ring 5.
- the second sealing element 4 is detachably fastened, for example by means of a tension wire 9, to a fastening dome 16, which is arranged projecting on the gear cover 1 toward the sanding pad.
- the gear cover element 1 is sealed to the housing 30 by a sealing element 1c.
- the rotatably mounted in the housing 30 inner spur gear 33 is on the outer spur gear 13a, which with the sanding pad 35 is connected, adapted that it can roll in the internal spur gear 33.
- the sanding pad 35 forms together with the Sanding plate holder 13 and the outer end gear 13a an assembly, for example by means of a nut 31 is attached to the transmission lid member 1 as it is From Fig. 3 shows.
- the outer spur gear 13a is arranged on an eccentric shaft 40, of an electric motor (not shown) on known manner is driven.
- the internal spur gear 33 is connected by a shift linkage 51, which is actuatable by a switch button 50, in the axial direction against the restoring force of Synchronization springs 34 displaced.
- the Adjustment corresponds to that of DE 197 27 700 A1 to which reference is made in the present case.
- the Synchronization compression springs 34 not only allow a stabilization of the internal spur gear 33 in one predetermined position, but also one synchronized engagement of the outer spur gear 13a in the internal spur gear 33. Through the Synchronization springs 34 may also be minor Position inaccuracies of the outer spur gear 13a and the Inner spur gear 33 can be compensated.
- the Exzentertellerschleifer has essentially two Switching positions.
- the air guide element 2 is used the optimal guidance of the suction air flow, with the Grinding dust by the in the gear cover element. 1 provided openings 1a is removed. to Optimization of this exhaust air flow are in the annular projection 2a substantially over the Scope equally distributed small openings 2b (see Fig. 1 and FIG. 2).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Das Getriebedeckelelement 1 ist durch ein Dichtelement 1c mit dem Gehäuse 30 abgedichtet verbunden.
Claims (3)
- Exzentertellerschleifer, bei dem die die Schleiftellereinheit antreibenden Getriebeteile gegen das Eindringen von Schleifstaub abgedichtet sind, wobei ein erstes an einem Getriebedeckelelement (1) angeordnetes elastisches Strömungsleitelement (2) und ein elastisches Dichtelement (4), das einerseits an einer Schleiftelleraufnahme (13), andererseits an dem Getriebedeckelelement (1) so befestigt ist, dass Öffnungen (1a) in dem Getriebedeckelelement (1) freiliegen, dadurch gekennzeichnet, dass das Dichtelement (4) ein Dichtungsbalg ist, der an einem an der Schleiftelleraufnahme (13) vorgesehenen Stützring (3) und an wenigstens einem Befestigungsdom (1b) befestigt ist, der an dem Getriebedeckelelement (1) zum Schleifteller (33) hin vorspringend angeordnet ist, dass das Dichtelement (4) an einem Gleitring (5) mittels einer Ringfeder (12) und an dem wenigstens einen Befestigungsdom (1b) mittels eines Spanndrahts (9) lösbar befestigt ist.
- Exzentertellerschleifer nach Anspruch 1, dadurch gekennzeichnet, dass das elastische Strömungsleitelement (2) einen zum Schleifteller (35) weisenden ringförmigen Vorsprung (2a) aufweist.
- Exzentertellerschleifer nach Anspruch 2, dadurch gekennzeichnet, dass im ringförmigen Vorsprung (2a) vorzugsweise über den Umfang des Strömungsleitelements (2) gleichverteilt angeordnete Öffnungen (2b) vorgesehen sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200130011T SI1129822T1 (en) | 2000-03-03 | 2001-01-25 | Orbital sander |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10010106 | 2000-03-03 | ||
DE10010106A DE10010106A1 (de) | 2000-03-03 | 2000-03-03 | Exzentertellerschleifer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1129822A1 EP1129822A1 (de) | 2001-09-05 |
EP1129822B1 true EP1129822B1 (de) | 2003-05-02 |
Family
ID=7633195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01101595A Expired - Lifetime EP1129822B1 (de) | 2000-03-03 | 2001-01-25 | Exzentertellerschleifer |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1129822B1 (de) |
AT (1) | ATE238885T1 (de) |
DE (2) | DE10010106A1 (de) |
ES (1) | ES2194797T3 (de) |
SI (1) | SI1129822T1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1842625A1 (de) | 2006-04-07 | 2007-10-10 | Metabowerke GmbH | Elektrohandschleifmaschine |
US7837537B2 (en) | 2005-03-24 | 2010-11-23 | Black & Decker Inc. | Belt sander |
US7997962B2 (en) | 2005-03-24 | 2011-08-16 | Black & Decker Inc. | Belt sander |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10347849B4 (de) * | 2003-10-10 | 2016-04-28 | Robert Bosch Gmbh | Exzenterschleifhandwerkzeugmaschine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT943563B (it) * | 1970-11-04 | 1973-04-10 | Mafell Maschinenfabrik Mey R K | Levigatore in particolare levigato re ad utensile vibrante con venti latore aspirapolvere |
DE3625671C1 (en) * | 1986-07-29 | 1988-01-07 | Festo Kg | Eccentric plate grinder |
DE4023464A1 (de) * | 1990-07-24 | 1992-01-30 | Festo Kg | Motorgetriebenes handschleifgeraet |
DE19727700C2 (de) * | 1997-06-30 | 2000-04-20 | Kress Elektrik Gmbh & Co | Exzentertellerschleifer |
US5993305A (en) * | 1998-10-31 | 1999-11-30 | Chu; Eric | Air-drafting dust remover for power sander |
-
2000
- 2000-03-03 DE DE10010106A patent/DE10010106A1/de not_active Withdrawn
-
2001
- 2001-01-25 ES ES01101595T patent/ES2194797T3/es not_active Expired - Lifetime
- 2001-01-25 SI SI200130011T patent/SI1129822T1/xx unknown
- 2001-01-25 AT AT01101595T patent/ATE238885T1/de not_active IP Right Cessation
- 2001-01-25 DE DE50100198T patent/DE50100198D1/de not_active Expired - Fee Related
- 2001-01-25 EP EP01101595A patent/EP1129822B1/de not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7837537B2 (en) | 2005-03-24 | 2010-11-23 | Black & Decker Inc. | Belt sander |
US7846011B2 (en) | 2005-03-24 | 2010-12-07 | Black & Decker Inc. | Belt sander |
US7871311B2 (en) | 2005-03-24 | 2011-01-18 | Black & Decker Inc. | Belt sander |
US7997962B2 (en) | 2005-03-24 | 2011-08-16 | Black & Decker Inc. | Belt sander |
EP1842625A1 (de) | 2006-04-07 | 2007-10-10 | Metabowerke GmbH | Elektrohandschleifmaschine |
DE102006016480A1 (de) * | 2006-04-07 | 2007-10-11 | Metabowerke Gmbh | Elektrohandschleifmaschine |
Also Published As
Publication number | Publication date |
---|---|
DE50100198D1 (de) | 2003-06-05 |
SI1129822T1 (en) | 2003-10-31 |
ES2194797T3 (es) | 2003-12-01 |
ATE238885T1 (de) | 2003-05-15 |
DE10010106A1 (de) | 2001-09-13 |
EP1129822A1 (de) | 2001-09-05 |
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