EP0004886A1 - Roue centrifuge pour dispositifs de projection d'abrasif - Google Patents

Roue centrifuge pour dispositifs de projection d'abrasif Download PDF

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Publication number
EP0004886A1
EP0004886A1 EP79100943A EP79100943A EP0004886A1 EP 0004886 A1 EP0004886 A1 EP 0004886A1 EP 79100943 A EP79100943 A EP 79100943A EP 79100943 A EP79100943 A EP 79100943A EP 0004886 A1 EP0004886 A1 EP 0004886A1
Authority
EP
European Patent Office
Prior art keywords
throwing
wheel
centrifugal wheel
guide
centrifugal
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
EP79100943A
Other languages
German (de)
English (en)
Other versions
EP0004886B1 (fr
Inventor
Wolfgang Jahn
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.)
Maschinen- und Werkzeugfabrik Kabel Vogel & Schemmann Ag
Vogel & Schemmann Masch
Original Assignee
Maschinen- und Werkzeugfabrik Kabel Vogel & Schemmann Ag
Vogel & Schemmann Masch
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 Maschinen- und Werkzeugfabrik Kabel Vogel & Schemmann Ag, Vogel & Schemmann Masch filed Critical Maschinen- und Werkzeugfabrik Kabel Vogel & Schemmann Ag
Publication of EP0004886A1 publication Critical patent/EP0004886A1/fr
Application granted granted Critical
Publication of EP0004886B1 publication Critical patent/EP0004886B1/fr
Expired 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
    • B24C5/062—Rotor blades or vanes; Locking means therefor

Definitions

  • centrifugal wheels blasting media are blasted onto workpieces to be machined in cleaning, descaling and other centrifugal blasting systems;
  • the centrifugal wheel includes throwing vanes attached to a guide disc wheel, by means of which the blasting media are guided in radial direction, accelerated and flung outwards.
  • the throwing blades are subject to ataric wear due to the blasting medium striking them and flowing at high speed, which is why they have to be replaced at certain intervals.
  • the invention described in claim 1 is based on the object in a centrifugal wheel for blasting systems to design the throwing blades and locking so that they can be used and used in the centrifugal wheel in four ways.
  • each .urfschaufel is completely symmetrical to two mutually perpendicular axes. Since each throwing blade in one of these axes, namely in the transverse axis, also has recesses for receiving the locking device on the guide disc wheel, the throwing blades can be used four times: each throwing blade can rotate 180 ° both about its longitudinal axis BB and about its transverse axis AA rotated and inserted in the guide wheel in each of these positions. The centrifugal wheel can be moved in both directions. Due to the symmetry about the transverse axis AA, the guide pulley wheel allows the wheel body with the blades to be rotated by 180 ° with the poss right and left rotation.
  • the surf blades can be used optimally. The maximum possible downtimes can be achieved with them.
  • a throwing blade 1 used in the invention essentially consists of a rectangular base plate 2, the two sides of which serve as blasting medium running surfaces.
  • the base plate 2 has a rib-shaped side edge 3 on each longitudinal edge.
  • the cross section of the throwing blade 1 is thereby given the shape of a double T.
  • the transitions from the base plate 2 to the side edges 3 are rounded, as required by the manufacturing processes of forging or casting.
  • each side edge 3 has a recess 4 on each side, which is essentially semicircular.
  • the recess 4 serves to receive an eccentric clamping element 6 to be described.
  • the throwing blade 1 is completely symmetrical both with respect to its transverse axis A-A and with respect to its longitudinal axis B-B.
  • Each eccentric clamping element 6 has the basic shape of a bright 7.
  • a spiral-widening cam 8 is provided in the middle of the shaft 7.
  • a shoulder 9 is provided on each end face of the shaft. The areas formed by the shoulders 9 lie in the same plane. This level also limits the one side
  • Cam 8 The cam occupies approximately 145 of the circumference of the shaft 7.
  • the center 7 is provided with a bore 10 at an acute angle to the plane defined by the shoulders 9.
  • the throwing blade 1 is inserted into a double guide disk wheel 13 having two guide disks 12.
  • the double lead disc 13 is as Cast piece manufactured.
  • Four to eight grooves 14 are cast radially in the double guide disk wheel 13.
  • recesses 15 are provided for receiving the eccentric clamping elements 6 on the same diameter with respect to the thrust point of the double idler wheel.
  • One of the eccentric clamping elements is inserted into mutually assigned recesses 15 in the guide disks 12 within the same hat 14, in such a way that the shoulders 9 lie in the radial direction of the double guide disk wheel 13.
  • the eccentric clamping element 6 is then pivoted so that the non-flattened end region of the shaft 7 is screwed into the recess 4. This turning takes place until the cam 8 lies against the base plate 2 and can be pressed on in the manner of a locking mechanism.
  • the Nocksn 8 engages with respect to the pivot point of the double idler wheel 13 from below, so that when the wheel is rotated under the action of centrifugal force on the throwing blade 1, the eccentric clamping element 6 is pressed more firmly onto the throwing blade 1.
  • the double disc wheel 13 is part of a centrifugal wheel 17.
  • the centrifugal wheel 17 is driven by a shaft 18.
  • a hub 20 provided with a flange 19 is fastened on the shaft 18 by means of a conical bushing 21 and a wedge 22.
  • Centered on the hub 20 and connected to the flange 19 via a screw connection 23 is the double guide disk wheel 13.
  • At least two and at most eight guide vanes 1 are connected to the double guide disk wheel via the eccentric tensioning elements 6.
  • the centrifugal wheel 17 is located in a housing 24.
  • a distributor bushing 26, also called an impeller cage, is also connected to the drive shaft 18, specifically via a groove and screw connection 15 that grips in the axis of rotation of the shaft 18.
  • the distributor bushing 26 has an opening in the axial direction, in which an inlet pipe 27 opens, and also openings running in the radial direction.
  • the blasting agent arriving from the feed pipe 27 is distributed radially in the direction of the double guide disk wheel 13 with the aid of the distributor bushing 26.
  • the distributor bushing 26 takes over the task of blasting agent distribution and metering. The direction of discharge of the blasting medium is controlled by adjusting the guide sleeve 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP79100943A 1978-04-17 1979-03-29 Roue centrifuge pour dispositifs de projection d'abrasif Expired EP0004886B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782816602 DE2816602A1 (de) 1978-04-17 1978-04-17 Schleuderrad fuer strahlmittelanlagen
DE2816602 1978-04-17

Publications (2)

Publication Number Publication Date
EP0004886A1 true EP0004886A1 (fr) 1979-10-31
EP0004886B1 EP0004886B1 (fr) 1981-11-04

Family

ID=6037183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79100943A Expired EP0004886B1 (fr) 1978-04-17 1979-03-29 Roue centrifuge pour dispositifs de projection d'abrasif

Country Status (5)

Country Link
US (1) US4227351A (fr)
EP (1) EP0004886B1 (fr)
AT (1) AT359859B (fr)
DE (1) DE2816602A1 (fr)
DK (1) DK147934C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023563A1 (fr) * 1979-07-20 1981-02-11 Maschinen- und Werkzeugfabrik Kabel Vogel & Schemmann AG. Roue centrifuge pour dispositifs de projection d'abrasif
EP0033819A2 (fr) * 1980-02-09 1981-08-19 Maschinen- und Werkzeugfabrik Kabel Vogel & Schemmann AG. Roue centrifuge pour dispositifs de projection d'abrasif

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248332C2 (de) * 1982-12-28 1986-11-27 Maschinen- U. Werkzeugfabrik Kabel Vogel & Schemmann Ag, 5800 Hagen Strahlmittel-Schleuderrad
CN1304167C (zh) * 2001-03-05 2007-03-14 约斯特·瓦德福尔 用于向离心机叶轮输送喷丸介质的装置
KR101984062B1 (ko) * 2018-12-06 2019-06-04 (주)대코 쇼트피닝 머신의 임펠러용 블레이드 제조방법 및 임펠러용 블레이드

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582702A (en) * 1936-05-13 1952-01-15 Pangborn Corp Abrading apparatus
DE834340C (de) * 1945-04-25 1952-03-17 Fischer Ag Georg Schleuderrad zum Schleudern von Schleudergut
CH412613A (de) * 1962-11-16 1966-04-30 Geisseler Max Schleuderrad
DE1677143B1 (de) * 1962-12-11 1969-09-11 Badische Maschf Gmbh Schleuderrad mit loesbarer Schaufelbefestigung
GB1320641A (en) * 1971-03-29 1973-06-20 Vacu Blast Ltd Impelling wheel for particulate material
DE2115354B2 (de) * 1970-05-06 1976-03-11 Georg Fischer Ag, Schaffhausen (Schweiz) Schleuderrad zum schleudern von schleudergut
DE2311866B2 (de) * 1972-04-05 1976-08-05 Wheelabrator-Frye Inc., Mishawaka, Ind. (V.StA.) Schleuderrad fuer schleuderstrahlmaschinen
DE2634198A1 (de) * 1975-10-24 1977-05-05 Tilghman Wheelabrator Ltd Sandstrahl-schleuderrad

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2119813A (en) * 1936-05-13 1938-06-07 Pangborn Corp Abrading apparatus
DE767578C (de) 1937-02-04 1953-04-09 A Sisson Lehmann S A Ets Sandstrahlgeblaeseartig wirkende Vorrichtung mit Schleuderrad zum Putzen von Werkstuecken
US2819562A (en) * 1956-05-07 1958-01-14 Wheelabrator Corp Centrifugal blasting wheel and blades for use in same
US2869289A (en) * 1957-01-24 1959-01-20 Pangborn Corp Reversible centrifugal blasting method and apparatus
US3352064A (en) * 1965-02-01 1967-11-14 Wheelabrator Corp Lock system for blasting-machine blades
US3444651A (en) * 1966-11-30 1969-05-20 Max Geisseler Centrifuging wheel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582702A (en) * 1936-05-13 1952-01-15 Pangborn Corp Abrading apparatus
DE834340C (de) * 1945-04-25 1952-03-17 Fischer Ag Georg Schleuderrad zum Schleudern von Schleudergut
CH412613A (de) * 1962-11-16 1966-04-30 Geisseler Max Schleuderrad
DE1677143B1 (de) * 1962-12-11 1969-09-11 Badische Maschf Gmbh Schleuderrad mit loesbarer Schaufelbefestigung
DE2115354B2 (de) * 1970-05-06 1976-03-11 Georg Fischer Ag, Schaffhausen (Schweiz) Schleuderrad zum schleudern von schleudergut
GB1320641A (en) * 1971-03-29 1973-06-20 Vacu Blast Ltd Impelling wheel for particulate material
DE2311866B2 (de) * 1972-04-05 1976-08-05 Wheelabrator-Frye Inc., Mishawaka, Ind. (V.StA.) Schleuderrad fuer schleuderstrahlmaschinen
DE2634198A1 (de) * 1975-10-24 1977-05-05 Tilghman Wheelabrator Ltd Sandstrahl-schleuderrad

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0023563A1 (fr) * 1979-07-20 1981-02-11 Maschinen- und Werkzeugfabrik Kabel Vogel & Schemmann AG. Roue centrifuge pour dispositifs de projection d'abrasif
EP0033819A2 (fr) * 1980-02-09 1981-08-19 Maschinen- und Werkzeugfabrik Kabel Vogel & Schemmann AG. Roue centrifuge pour dispositifs de projection d'abrasif
EP0033819A3 (en) * 1980-02-09 1982-03-03 Vogel & Schemmann Masch & Werkzeugfab Kabel Impeller wheel for abrasive blasting devices

Also Published As

Publication number Publication date
DK147934C (da) 1985-08-19
DE2816602A1 (de) 1979-10-25
DK154479A (da) 1979-10-18
ATA218479A (de) 1980-04-15
AT359859B (de) 1980-12-10
DK147934B (da) 1985-01-14
EP0004886B1 (fr) 1981-11-04
US4227351A (en) 1980-10-14

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