EP1412133B1 - Schleuderradanordnung - Google Patents

Schleuderradanordnung Download PDF

Info

Publication number
EP1412133B1
EP1412133B1 EP02767049A EP02767049A EP1412133B1 EP 1412133 B1 EP1412133 B1 EP 1412133B1 EP 02767049 A EP02767049 A EP 02767049A EP 02767049 A EP02767049 A EP 02767049A EP 1412133 B1 EP1412133 B1 EP 1412133B1
Authority
EP
European Patent Office
Prior art keywords
distributor element
impeller wheel
blasting
blasting medium
medium supply
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
Application number
EP02767049A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1412133A1 (de
Inventor
Josef Artmann
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.)
SCHLICK ROTO JET MASCHB GmbH
Schlick Roto-Jet-Maschinenbau GmbH
Original Assignee
SCHLICK ROTO JET MASCHB GmbH
Schlick Roto-Jet-Maschinenbau 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
Application filed by SCHLICK ROTO JET MASCHB GmbH, Schlick Roto-Jet-Maschinenbau GmbH filed Critical SCHLICK ROTO JET MASCHB GmbH
Publication of EP1412133A1 publication Critical patent/EP1412133A1/de
Application granted granted Critical
Publication of EP1412133B1 publication Critical patent/EP1412133B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B24C5/064—One-piece wheels; Integral impeller units, e.g. made by casting
    • 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 a blower wheel arrangement for surface treatment of objects with blasting agents, with a blasting agent feed tube, with a blast wheel, consisting of several radially arranged throwing blades, which are attached to at least one side window, wherein between each two throwing blades a Strahlstoffabsch Symposium Society is included.
  • abrasive particles are used using blast wheels to high speed accelerates the abrasive on impact on the workpiece act, so for example, rust, scale or old paint layers solve, or a structural change of the surface layers effect, for example, during shot peening.
  • the known blast wheels are designed so that the Blasting agent through a blasting agent supply tube on a Distributor element or an impeller is directed where it is accelerated.
  • the distributor element or the impeller are enclosed by a jet sleeve, which has a Strahlleithggsenö réelle having.
  • Through the blasting sleeve opening the blasting agent enters the inner blasting means discharge area promoted between the throwing blades. Get there it then together due to inertial and mass forces with the given radial velocity in the outer Blasting medium discharge area and finally to the periphery of the Impeller, where it is with the peripheral speed of the edge of the blast wheel is thrown off.
  • the blasting agent passes in the distributor element with the eccentrically arranged Strahlstoff.00en and is there over a longer Guided way. Consequently, build up in the narrow blasting medium guide channels still existing turbulence, and the Blasting agent is imposed a directed movement. Due to the non-rotatable connection of distribution element and Impeller are in the invention Austragradanowski Impact surfaces in the flow direction avoided after the blasting agent once in the Strahlstoff.kanäle is initiated. Instead, a gentle diversion of the Blasting agent over large radii and slopes achieved.
  • the Guide bars connect directly to the throwing blades.
  • the Strahlstofftechnische the distributor element open funnel-shaped into the blasting means discharge areas of the blast wheel and imitate a natural flow.
  • the time and / or the Be influenced by the location at which the portion in the blasting medium discharge area and finally thrown off.
  • This can be required on the according to the prior art Blasting sleeve with the guide sleeve opening for limiting the irradiated sector.
  • the flow rate For example, about the speed of the spinner be changed, whereby place and time of the centrifuging can be influenced.
  • Blasting agent supply pipe at an angle of 45 ° ... 90 ° to Turned on axis of rotation and opens at the periphery of the distributor element in at least one Strahlstoff.00.
  • the task of Strahlstoffportion done simultaneously in a strand.
  • the task can be at the rotating Distribution element also done very quickly:
  • the side open Strahlstoff unitskanal equal accesses a conveyor wheel a portion out of the feed tube and turn continue.
  • the guide rails that move with the rotation close the discharge from the supply pipe for a short time, until the next empty blasting medium guide channel in front of the feed pipe arrives.
  • a further embodiment of the invention is advantageous at least along the blasting agent supply pipe a part of the axis of the distributor element displaceable is. This has the advantage over the speed control, that the effects of a displacement of the feed point are directly detectable while at a Speed change every time reaching the new speed is to wait.
  • the amount of blasting abrasive coming from each rotating scoop is thrown off, and thus of the blower wheel assembly irradiated sector, are determined by the length influenced by the abandoned portion. It is therefore advantageous when the blasting agent supply pipe is an orifice nozzle whose clear width is adjustable, so that different long strands of blasting medium can be fed in, which lead to a change in the jet image length.
  • FIG. 1 shows, the centrifugal wheel arrangement according to the invention is used 10, the guide webs 21 of the distributor element 20 and the throwing blades 11 of the blast wheel 10 into one another above.
  • the blasting agent guide channels 22 open funnel-shaped into an inner blasting means discharge area 12, which is located between each throwing blades 11.
  • the soft, strongly rounded flow paths allow a directional Flow of the blasting medium and leave strong turbulence do not even arise.
  • Arranged by the eccentric and relatively narrow beam guide channels in cross-section 22, the abrasive is always along the periphery of the distributor element 20 is guided to the impeller 10 and forced into predetermined flow paths.
  • the inner blasting means discharge area 12 sits seamlessly in an outer one Blasting medium discharge area 13 continues to the edge of the Blower wheel 10 is enough.
  • the inner blasting medium discharge area 12 is preferably formed in the manner of a trough and is positioned obliquely with respect to the axis of rotation 40, for a smooth transition from the Strahlstoff.00en 22 in the inner Strahlffenabonia Schemee 12th to reach, is the outer blasting means discharge area 13th aligned at 90 ° to the axis of rotation to ensure that the blasting agent at right angles to the axis of rotation is thrown off.
  • the distributor element 20 is preferably in the manner of a helical gear Gear or a screw conveyor designed. It is also possible a twist of the distributor element 20, either over part of its length or over the whole Length. This ensures that the Strahlstoff.00e 22 are employed obliquely to the axis of rotation 40 and at the rotating distributor element 20 through the slope the guide webs 21 an axial forced flow in Direction of the blast wheel 10 is generated, even if the Rotation axis 40 is arranged horizontally.
  • FIG. 2 shows the blast wheel arrangement according to the invention 100, at which the blasting agent task at the Periphery of the distributor element 20 takes place.
  • the rotatable Distributor element 20 is of a fixed cladding 32nd surrounded, which has a recess, to which the Strahlatorizu Glassrohr 30 connects.
  • the blasting agent supply pipe 30 is provided with a nozzle 32, the adjustable Baffles 33, to the length of the supplied strand to adjust the blasting agent.
  • Position opens the nozzle 32 in a Strahlstofftechnischal 22.
  • the distributor element 20 Upon further rotation of the distributor element 20 is the blasting agent supply through a guide bar 21, which pushes in front of the nozzle 32, briefly interrupted. Then, the next shot agent passage 21 filled.
  • the blast wheel 10 is together with a coiled distributor element 20 designed as a pump and works at high speed like an air pump, so that blasting from the Suction point along the Strahlstoff Assemblyskanäle 22 sucked can be.
  • FIG 3 is shown schematically as a blasting agent portion 50.1 strand-shaped from the Strahlffenersitzal 22 flows into the blasting means discharge area 12 and itself moved along a throwing blade 11.
  • the abrasive agent portion 50.2 already has the outer circumference of the blast wheel Reaches 10 and is starting to spin off.
  • the Blasting agent portion 50.3 is almost completely thrown off. This results in an irradiated sector 52.
  • the distributor element is 20 used as a separate part in the blast wheel 10 and follows this seamlessly.
  • the two parts are so interconnected that no twisting of the Distributor element 20 against the blast wheel 10 done can.
  • the Components are separated from each other. This is also true for the throwing blades 11, in a conventional manner are releasably secured to the side window 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Nozzles (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Lighters Containing Fuel (AREA)
EP02767049A 2001-07-23 2002-07-22 Schleuderradanordnung Expired - Lifetime EP1412133B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10135845 2001-07-23
DE10135845A DE10135845B4 (de) 2001-07-23 2001-07-23 Schleuderradanordnung
PCT/DE2002/002671 WO2003011525A1 (de) 2001-07-23 2002-07-22 Schleuderradanordnung

Publications (2)

Publication Number Publication Date
EP1412133A1 EP1412133A1 (de) 2004-04-28
EP1412133B1 true EP1412133B1 (de) 2005-10-12

Family

ID=7692803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02767049A Expired - Lifetime EP1412133B1 (de) 2001-07-23 2002-07-22 Schleuderradanordnung

Country Status (7)

Country Link
US (1) US6971947B2 (ru)
EP (1) EP1412133B1 (ru)
AT (1) ATE306362T1 (ru)
CA (1) CA2454736C (ru)
DE (2) DE10135845B4 (ru)
RU (1) RU2300454C2 (ru)
WO (1) WO2003011525A1 (ru)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1958549B1 (de) 2007-02-16 2013-01-30 Fontana-Hunziker GmbH Vorrichtung zum Reinigen von kerzenrusshaltiger Luft
DE202013104678U1 (de) 2013-10-16 2013-11-27 Bmf Gmbh Schleuderrad
US10384327B2 (en) * 2014-09-25 2019-08-20 Wheelabrator Group Limited Blade for centrifugal blast wheel machine and method of maintaining a centrifugal blast wheel machine
JP2016175764A (ja) * 2015-03-20 2016-10-06 コトブキ技研工業株式会社 供給装置
CN108043597A (zh) * 2018-01-03 2018-05-18 上海市离心机械研究所有限公司 螺旋出料分配器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2092201A (en) * 1936-05-25 1937-09-07 W W Sly Mfg Company Abrasion method and apparatus
US2369408A (en) * 1938-02-01 1945-02-13 Pangborn Corp Abrading apparatus
US2363437A (en) * 1943-06-14 1944-11-21 Rolland E Peterson Centrifugal blasting machine
US2442678A (en) * 1947-05-08 1948-06-01 Andrew V Virostek Wear plate for shot blast machines
US3368308A (en) * 1964-11-03 1968-02-13 Pangborn Corp Centrifugal blasting apparatus
DE9422372U1 (de) * 1994-06-17 2000-09-28 Linde Tech Gase Gmbh Entgratungsanlage
DE19536723C2 (de) * 1995-09-30 1997-08-21 Jost Dipl Ing Wadephul Schleuderrad
DE19838733C1 (de) * 1998-08-26 1999-11-25 Jost Wadephul Schleuderrad

Also Published As

Publication number Publication date
ATE306362T1 (de) 2005-10-15
EP1412133A1 (de) 2004-04-28
DE10135845A1 (de) 2003-02-20
US20040156718A1 (en) 2004-08-12
RU2004105158A (ru) 2005-06-10
US6971947B2 (en) 2005-12-06
DE10135845B4 (de) 2004-09-30
RU2300454C2 (ru) 2007-06-10
DE50204549D1 (de) 2005-11-17
CA2454736C (en) 2011-06-14
CA2454736A1 (en) 2003-02-13
WO2003011525A1 (de) 2003-02-13

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