EP1761362B1 - Turbine pour alimenter une turbine de grenaillage en agent de grenaillage - Google Patents

Turbine pour alimenter une turbine de grenaillage en agent de grenaillage Download PDF

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Publication number
EP1761362B1
EP1761362B1 EP05756082A EP05756082A EP1761362B1 EP 1761362 B1 EP1761362 B1 EP 1761362B1 EP 05756082 A EP05756082 A EP 05756082A EP 05756082 A EP05756082 A EP 05756082A EP 1761362 B1 EP1761362 B1 EP 1761362B1
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EP
European Patent Office
Prior art keywords
impeller
limbs
blasting
distributing sleeve
distributing
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.)
Active
Application number
EP05756082A
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German (de)
English (en)
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EP1761362A1 (fr
Inventor
Jost Wadephul
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Individual
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Individual
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Priority to PL05756082T priority Critical patent/PL1761362T3/pl
Publication of EP1761362A1 publication Critical patent/EP1761362A1/fr
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Publication of EP1761362B1 publication Critical patent/EP1761362B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/06—Impeller wheels; Rotor blades therefor
    • B24C5/068—Transferring the abrasive particles from the feeding means onto the propeller blades, e.g. using central impellers

Definitions

  • the invention relates to an impeller for feeding of blasting agent to be accelerated in the blast wheel of a blasting system, wherein the impeller in the central region of the impeller within a metering sleeve having a metering opening, and is rotatable in the direction of rotation of the impeller and wherein the impeller trimmed on the metering sleeve ,
  • tabular, guide elements for guiding the blasting agent to the outside which are arranged on at least one side window.
  • the object of the invention is to reduce the abrasion caused by the blasting agent of the impeller and at the same time to produce a spray pattern with uniform coverage over the entire ejection angle of the blasting agent from the blast wheel at approximately parallel side boundary.
  • the recess or the cavity can be formed directly by the legs.
  • legs of the profile piece on the one hand point in the direction of the metering sleeve, they expediently show on the other hand at least approximately in the direction of the axis of rotation of the impeller.
  • the two legs of the profile piece preferably extend at an angle to each other, in particular at least approximately V-shaped or the two legs form a V-shape.
  • at least one leg, preferably both legs of the profile piece extend at an angle to the radial direction of the impeller, in particular the side window.
  • the legs of the profile pieces can be connected to each other in a further embodiment by a preferably extending at an angle to the legs web.
  • the web can run, for example, straight or curved. It is also possible, the legs of the profile pieces of different lengths form. It has also proven useful to provide between the legs of the profile pieces in the direction of the dispensing sleeve extending, preferably tabular transport elements.
  • the blasting agent passes through the discharge channels with channel end discharge openings from the rotating impeller into the spaces between Zuteilhülse and impeller on a nearly circular path. Subsequently, the blasting medium circulates in this area between the metering sleeve and the impeller along this circular path.
  • the blasting agent passes through the discharge channels with channel end discharge openings from the rotating impeller into the spaces between Zuteilhülse and impeller on a nearly circular path.
  • the blasting medium circulates in this area between the metering sleeve and the impeller along this circular path.
  • the bumpless transition of the blasting medium acting as a central accelerator impeller in the impeller causes a uniform guidance of the blasting agent in the impeller, whereby not only a uniform distribution of the blasting agent is achieved on the surface to be treated, but also the wear on the impeller and the acceleration of the blasting medium energy to be reduced.
  • Fig. 1 is shown in a schematic sectional view of an impeller 2, which is arranged in the interior of a metering sleeve 1 of a blast wheel of a blasting machine, not shown.
  • the impeller 2 has profile pieces 3, which are attached to one of the end sides of a first side window 4.
  • a second side window is assigned to the first side window 4 in the axial direction opposite one another, so that the profile sections 3 are arranged between the two side windows.
  • the profile pieces 3 can in principle also be integrally connected to the front side of the side window 4.
  • the profile pieces 3 are raised relative to the front side plane of the side window 4, ie they form elevations with respect to this plane.
  • each profile piece 3 is spaced from the respective adjacent profile piece 3 in the circumferential direction.
  • the profile pieces 3 each have two serving as blasting agent guide elements legs 5 and 6, which are connected to each other at their at least approximately to the impeller center or to the impeller rotation axis ends.
  • the legs 5 and 6 point with their free ends on the metering sleeve 1, wherein in each case between the legs 5 and 6 from the direction of the dispensing sleeve accessible cavities are formed.
  • the profile pieces 3 are distributed in the circumferential direction over the circumferential edge region of the end face of the side window 4 such that channels 7 are formed between adjacent legs of adjacent profile pieces.
  • legs 5 and 6 of a profile piece 3 may, as shown in a sector A of the impeller 2, describe a V-shape.
  • the legs 5 and 6 may also be connected to one another via a web 9, cf. Sector B, so that the profile piece 3 is formed approximately overall as a U-shape.
  • a variety of shapes are conceivable, such as an L-shape.
  • the otherwise closed dispensing sleeve 1 is circumferentially provided with a discharge opening 8.
  • blasting medium is guided via unillustrated feed lines in the axial direction into the center of the impeller 2.
  • the blasting agent is then guided radially outward along the channels 7 by the impeller 2, which is set into a rotational movement by means of a drive (not shown).
  • the blasting agent is finally discharged into the angular range of the blades of a blaster wheel, not shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Supercharger (AREA)
  • Soil Working Implements (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Centrifugal Separators (AREA)
  • Catching Or Destruction (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Claims (5)

  1. Turbine (2) avec manchon de distribution (1) pour alimenter en agent de grenaillage à accélérer la roue centrifuge d'une installation de grenaillage, la turbine (2) étant disposée dans la région centrale de la roue centrifuge à l'intérieur du manchon de distribution (1), qui présente une ouverture de distribution (8), et pouvant tourner dans le sens de rotation de la roue centrifuge, la turbine (2) présentant des éléments de guidage orientés vers le manchon de distribution (1) pour guider l'agent de grenaillage vers l'extérieur, lesquels sont disposés sur au moins un disque latéral (4), à chaque fois au moins deux éléments de guidage adjacents étant réalisés sous forme de branches (5, 6) d'une pièce profilée (3) connectées l'une à l'autre, notamment d'une seule pièce, les branches adjacentes (5, 6) de pièces profilées adjacentes (3) formant des canaux (7) à travers lesquels l'agent de grenaillage peut être déchargé vers l'extérieur et les pièces profilées (3) étant disposées de telle sorte que des extrémités libres des branches (5, 6) de la pièce profilée (3) soient orientées vers le manchon de distribution (1), caractérisée en ce que les extrémités des branches de la pièce profilée (3) orientées vers le manchon de distribution (1) sont espacées l'une de l'autre dans la direction périphérique de la turbine (2), un évidement accessible depuis la direction du manchon de distribution (1) étant prévu entre les branches (5, 6), dans lequel l'agent de grenaillage peut s'échapper.
  2. Turbine (2) avec manchon de distribution (1) selon la revendication 1, caractérisée en ce que les branches (5, 6) de la pièce profilée (39) s'étendent suivant un certain angle l'une par rapport à l'autre.
  3. Turbine (2) avec manchon de distribution (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins une branche (5, 6) de la pièce profilée (3) s'étend suivant un certain angle par rapport à la direction radiale du disque latéral (4) de la turbine (2).
  4. Turbine (2) avec manchon de distribution (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que les branches (5, 6) des pièces profilées (3) sont connectées l'une à l'autre par le biais d'une âme.
  5. Turbine (2) avec manchon de distribution (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que les branches (5, 6) des pièces profilées (3) présentent des longueurs différentes.
EP05756082A 2004-06-24 2005-06-24 Turbine pour alimenter une turbine de grenaillage en agent de grenaillage Active EP1761362B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05756082T PL1761362T3 (pl) 2004-06-24 2005-06-24 Wirnik napędzany do dostarczania materiału ściernego do wirnika odrzutowego do obróbki strumieniowo-ściernej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004009959 2004-06-24
PCT/EP2005/006829 WO2006000426A1 (fr) 2004-06-24 2005-06-24 Turbine pour alimenter une turbine de grenaillage en agent de grenaillage

Publications (2)

Publication Number Publication Date
EP1761362A1 EP1761362A1 (fr) 2007-03-14
EP1761362B1 true EP1761362B1 (fr) 2008-06-11

Family

ID=34971459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05756082A Active EP1761362B1 (fr) 2004-06-24 2005-06-24 Turbine pour alimenter une turbine de grenaillage en agent de grenaillage

Country Status (19)

Country Link
US (1) US7670207B2 (fr)
EP (1) EP1761362B1 (fr)
JP (1) JP4861313B2 (fr)
CN (1) CN100566943C (fr)
AT (1) ATE397999T1 (fr)
AU (1) AU2005256497A1 (fr)
BR (1) BRPI0512412A (fr)
CA (1) CA2571532C (fr)
DE (1) DE502005004414D1 (fr)
ES (1) ES2308512T3 (fr)
HK (1) HK1103923A1 (fr)
IL (1) IL180214A (fr)
MX (1) MXPA06015013A (fr)
NO (1) NO331472B1 (fr)
PL (1) PL1761362T3 (fr)
RU (1) RU2354533C2 (fr)
UA (1) UA89191C2 (fr)
WO (1) WO2006000426A1 (fr)
ZA (1) ZA200610788B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006029437B4 (de) * 2006-06-20 2011-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Schleuderstrahlen von empfindlichen Strahlmitteln, insbesondere Trockeneis
DE102010053172B4 (de) * 2010-12-03 2017-06-01 Jost Wadephul Impeller zum Beschleunigen von Strahlmittel
CZ2015295A3 (cs) * 2015-04-29 2016-03-23 Vysoké Učení Technické V Brně Akcelerátor pelet suchého ledu
CN106425886A (zh) * 2016-11-04 2017-02-22 济南大学 Y型叶片抛丸器
CN106425885A (zh) * 2016-11-04 2017-02-22 济南大学 V型叶片抛丸器

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2204618A (en) * 1932-10-12 1940-06-18 American Foundry Equip Co Direct impulse sandblast system
US2204632A (en) * 1934-02-05 1940-06-18 American Foundry Equip Co Abrasive throwing machine
US2204635A (en) * 1934-02-05 1940-06-18 American Foundry Equip Co Centrifugal abrading machine
US2135510A (en) * 1936-11-14 1938-11-08 American Foundry Equip Co Centrifugal abrading device
US2301508A (en) * 1939-03-14 1942-11-10 Mills Alloys Inc Abrasive throwing wheel
US2341559A (en) 1941-09-05 1944-02-15 Pangborn Corp Abrading apparatus
GB654420A (en) * 1942-06-12 1951-06-20 Pangborn Corp Abrading apparatus
US3675373A (en) * 1970-05-28 1972-07-11 Ibm Free particle impact machining process and apparatus employing the same
GB1320641A (en) * 1971-03-29 1973-06-20 Vacu Blast Ltd Impelling wheel for particulate material
US4126280A (en) * 1977-07-13 1978-11-21 Black Clawson, Inc. Impact crusher
SU1098776A1 (ru) 1982-10-11 1984-06-23 Тольяттинский политехнический институт Дробеметный аппарат
SU1114536A2 (ru) 1982-10-14 1984-09-23 Ростовский-на-Дону научно-исследовательский институт технологии машиностроения Дробеметный аппарат
GB9014994D0 (en) * 1990-07-06 1990-08-29 Tilghman Wheelabrator Ltd Abrasive throwing wheel assemblies
CA2126501C (fr) * 1994-06-22 2000-01-18 Edward J. Stoltz Plaque a roues et a lames pour le decapage au jet de sable et methode de montage des lames a la roue
US5584748A (en) * 1995-01-10 1996-12-17 Nelco Manufacturing Corp. Blast wheel having a rotatable shaft with radial discs and blades dovetailed across the discs
CN2288045Y (zh) * 1997-03-07 1998-08-19 余茂村 喷砂机叶轮结构
DE19838733C1 (de) * 1998-08-26 1999-11-25 Jost Wadephul Schleuderrad
US6447378B1 (en) * 2000-03-08 2002-09-10 Disa Goff, Inc. Abrasive throwing wheel and abrasive throwing blade
JP2003275963A (ja) * 2002-03-25 2003-09-30 Sintokogio Ltd 遠心投射ホイ−ル
DE10216351A1 (de) * 2002-04-13 2003-10-23 Damir Jankov Schleuderrad
DE10216350A1 (de) * 2002-04-13 2003-10-30 Damir Jankov Schleuderrad
US6981910B1 (en) * 2004-07-30 2006-01-03 Goff James R Throwing wheel assembly
WO2008156465A1 (fr) * 2006-09-22 2008-12-24 Pangborn Corporation Assemblage amélioré de liaison de pale de projection pour roue de projection d'abrasif

Also Published As

Publication number Publication date
NO20070092L (no) 2007-03-26
US20080268754A1 (en) 2008-10-30
DE502005004414D1 (de) 2008-07-24
CA2571532A1 (fr) 2006-01-05
ATE397999T1 (de) 2008-07-15
US7670207B2 (en) 2010-03-02
NO331472B1 (no) 2012-01-09
MXPA06015013A (es) 2007-05-09
RU2354533C2 (ru) 2009-05-10
RU2007102584A (ru) 2008-07-27
BRPI0512412A (pt) 2008-03-04
CN100566943C (zh) 2009-12-09
WO2006000426A1 (fr) 2006-01-05
CN1972781A (zh) 2007-05-30
JP2008503362A (ja) 2008-02-07
ES2308512T3 (es) 2008-12-01
PL1761362T3 (pl) 2008-11-28
ZA200610788B (en) 2007-11-28
IL180214A (en) 2010-05-31
AU2005256497A1 (en) 2006-01-05
UA89191C2 (ru) 2010-01-11
IL180214A0 (en) 2007-07-04
EP1761362A1 (fr) 2007-03-14
CA2571532C (fr) 2010-06-08
HK1103923A1 (en) 2007-12-28
JP4861313B2 (ja) 2012-01-25

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