EP3266343B1 - Bürsteneinheit für eine bürstenwalze für eine schleuderstrahlanlage - Google Patents

Bürsteneinheit für eine bürstenwalze für eine schleuderstrahlanlage Download PDF

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Publication number
EP3266343B1
EP3266343B1 EP17178106.5A EP17178106A EP3266343B1 EP 3266343 B1 EP3266343 B1 EP 3266343B1 EP 17178106 A EP17178106 A EP 17178106A EP 3266343 B1 EP3266343 B1 EP 3266343B1
Authority
EP
European Patent Office
Prior art keywords
carrier
brush
recesses
ring segments
rings
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
EP17178106.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3266343A1 (de
Inventor
Berthold Kampen
Karl-Heinz Konert
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.)
Wheelabrator Group GmbH
Original Assignee
Wheelabrator Group 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 Wheelabrator Group GmbH filed Critical Wheelabrator Group GmbH
Priority to PL17178106T priority Critical patent/PL3266343T3/pl
Publication of EP3266343A1 publication Critical patent/EP3266343A1/de
Application granted granted Critical
Publication of EP3266343B1 publication Critical patent/EP3266343B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A46B13/005—Cylindrical or annular brush bodies made up of a series of longitudinal strips or segments
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material

Definitions

  • the invention relates to a brush unit for a brush roller for a centrifugal blasting machine with the features of the preamble of claims 1 and 4.
  • Such a brush unit is needed in particular in a roller conveyor blast machine in which steel sheets, steel profiles or other workpieces are treated in continuous operation.
  • a roller conveyor blasting machine is in each case in the DE 92 04 253 U1 and the DE 1 652 255 A described.
  • smooth and profiled surfaces can be automatically deburred, descaled or de-rusted.
  • the blasting agent remains after treatment on the run over the roller conveyor through the blasting chamber workpiece and must be removed from it before it leaves the chamber.
  • At least one brush unit is needed, which is mounted on a driven brush roller.
  • the brush unit is subjected to high loads because the blasting abrasive is abrasive and because a firm contact of the bristles with the surface of the workpiece is required to achieve the desired cleaning effect. Accordingly, the bristles of the brush units wear with increasing duration of use, so that a regular replacement of the brush units is required.
  • the brush is to be considered that within the blasting chamber very cramped space exist and that a further opening of the blasting chamber z. B. by removing trim parts and removal of other units for time and cost reasons is not possible.
  • the installer must therefore crawl into the blasting chamber contaminated with blasting agent, there remove the brush units from the brush shaft and then mount new brush units.
  • the brush elements are divided into at least two halves, which are bolted together and / or with the shaft. Under the described confined working conditions in dusty environment, the installer must solve the glands, which may also be trapped by penetrated abrasive. To mount a new brush unit, it is then necessary to place the two halves, including the carrier shaft to each other and restore the fittings. Given the length and weight of a single brush unit, positioning, holding and bolting can not be done by a single installer. Despite the already cramped space is therefore usually a second person necessary.
  • a brush roller in which a roller body is formed of a plurality of segments. Profiles are provided on the outer circumference in order to be able to receive brush strips in a form-fitting manner. For assembly and disassembly screw connections must be made or solved again. In addition, the segments are solid and therefore very heavy.
  • the DE 20 2004 021 149 U1 discloses a brush roller having a brush body on the outer periphery of which the brush strips are fastened via a keder connection. Multiple brush body segments can be slid onto a common shaft around the brush body train. However, a change of the brush body is possible only after removal of the complete brush roller, because they can only be removed from the shaft. For the above-described use in confined spaces, the brush roller is therefore also not suitable.
  • the object of the present invention is to facilitate the assembly and disassembly of a brush unit on a brush roller for a centrifugal blasting machine clearly.
  • a respective connector is provided, which is produced by means of pin or rod elements, which are aligned parallel to the central axis of the brush unit or the carrier shaft. These engage in connecting elements that bridge the separation point.
  • the pin elements are simply formed as a projection on the receiving profiles of the brush strip elements, to which also the bristles of the brush strip elements are anchored.
  • the recording profiles of the brush strip elements are therefore chosen slightly longer than corresponds to the distance between the outwardly facing end faces of the carrier rings.
  • the connecting element is attached, which bridges the separation point.
  • the pin elements or the projections of the receiving profiles of the brush strips engage in a common connecting element which is inserted between two adjacent support rings.
  • the connecting elements preferably cover only a smaller sector on the carrier ring, so that although a plurality of pin elements can be set for a secure connection, but that between two adjacent carrier rings also remains a gap outside of the connecting elements.
  • the gap can be used to separate brush units from each other. In this case, the pins are pulled out of the connecting elements, and the brush unit can be disassembled again. Since only axial movement of the pin members is required for assembly and disassembly, disassembly can be easily performed even with stuck pins via an expeller and a hammer.
  • a particularly preferred embodiment of the invention provides a specially designed unit of carrier shaft and at least one brush unit according to the invention, in which each half of the brush unit can be snapped onto the carrier shaft and held above it on the carrier shaft until the other half is attached. Only then is the final connection established via the pin elements and the connecting elements.
  • the carrier ring segments are preferably on the outer surface of the carrier shaft at opposite diameter positions in each case two Round profiles welded in axial extension next to each other.
  • each locking recesses are formed very close to the separation point, so that when placing one half of the brush unit slide the carrier rings with their recesses on one of the welded profile bars and engage behind it.
  • the carrier ring segments are preferably made of plastic, which also significantly reduces the weight of the brush unit.
  • at least one relief slot is provided with an undercut on the inner circumference, to facilitate the spreading of the carrier ring segment at the moment of detent.
  • a further solution according to the invention is provided by a brush unit with the features of claim 4, in which no snap-in connections are used and also no direct connection between the complementary carrier ring segments is made, but in the rods with preferably round cross-section through the carrier ring segments and through with the carrier wave connected recordings are plugged.
  • FIG. 1 shows a brush roller 100, in which a total of four brush units 10 are positioned side by side on a support shaft 40.
  • Each brush unit 10 comprises two carrier rings 11, which are arranged at a distance from each other. Between the carrier rings 11 extend a plurality of brush strip elements 20, of which only one is shown.
  • Each brush strip element 20 has a receiving profile 21 with a kederförmigen thickening and a plurality of bristles 22 which are anchored in the receiving profile 21.
  • the support rings 11 have on their outer circumference a plurality of recesses 14, in which the receiving profiles 21 of the brush strip elements 20 are used. Between the support rings 11 adjacent brush units 10 connecting elements 30 are inserted.
  • Each carrier ring 11 is divided into two carrier ring segments 12.
  • a pair of two adjacent round profiles 42 is applied on the outer jacket 41 of the carrier shaft 40.
  • a similar pair is attached to the non-visible back.
  • the carrier ring segments 12 can be successively snapped onto the outer shell 41.
  • the brush units 10 are prepared so far for mounting, so that all the recesses 14 in the carrier ring segments 12 are already provided with brush strip elements 20.
  • each brush unit 10 can be separated via the separation of the carrier rings 11 into two half-shell-shaped parts.
  • a respective end ring 50 is mounted, which covers the recesses 14 and thus secures the axial position of the receiving profiles 21.
  • FIG. 2 the left end of the support shaft 40 is shown enlarged with the local brush unit 10.
  • the formation of the carrier ring segments 12 is clearly visible. These have on the outer circumference keyhole-shaped recesses 14 and on the inner circumference to the separation point T out in each case a latching recess 15 for connection to the profile bars 42 on the outer jacket 41 of the support shaft 40th
  • the receiving profile 21, in which the bristles 22 are anchored projects, each with a projection 23, over the end faces of the carrier rings 11.
  • a part of the receiving profile 21 is projected with projection 23 so that the supernatant 23 can be seen; this engages approximately to half the width in the recess of the connecting element 30 a.
  • a projection 23 can then also engage, so that two adjacent carrier rings 11 are secured by a common connecting element 30.
  • FIG. 3 shows a cross section through the brush shaft 100 in the region of two connecting elements 30, wherein in particular the position of the two adjacent profile bars 42 and the recesses 15 can be seen.
  • FIG. 4 shows a carrier ring segment 12 in a perspective view. It is an arcuate body, in particular made of plastic. This extends over an arc angle of 180 °. On the outer circumference a plurality of similar recesses 14 for receiving the receiving profile 21 of the brush strip elements 20 are formed. On the inner circumference locking recesses 15 are provided for locking onto the shaft 40, and a relief groove 13 to increase the deformability during snapping.
  • connection element 30 In FIG. 5 a single connection element 30 is shown in perspective. It covers a much smaller circular arc, since it is only the separation point T between two indicated by the dashed line Carrier ring segments 12 must bridge. It has on the outer circumference recesses 31 which are congruent with the recesses 14 of the carrier ring segment 12 in terms of shape and arrangement. In the illustrated embodiment, a total of four recesses 31 are provided for connection, so two for each end of the carrier ring segment 12th
  • FIG. 6 shows a second embodiment of a brush roller 100 ', in which a connection of the brush units 10' can be made via axially insertable rods 23 '.
  • the brush units 10 ' here too have at least two carrier ring segments 12', which on their outer circumference have the same keyhole-shaped recesses for receiving brush strips as in the previously described first embodiment of the brush roller 100.
  • the brush units 10 ' can thus be divided in half. For mounting, they are placed on the top of the support shaft 40 'and secured by two inserted rods 23', which extend both through the recesses in the support rings 11 'as well as through the recesses in the receiving rings 30'. After the plug-in assembly of the first half of the brush unit 10 ', the support shaft 40' can be rotated by 180 °, the previously mounted half now on the rods 23 'hangs. The second half of the brush unit 10 'is mounted in the same way. Finally, a respective end ring 50 'is attached to each end face of the carrier shaft 40'. The rods 23 'are axially fixed between the double ended end rings 50'.

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  • Brushes (AREA)
EP17178106.5A 2016-07-04 2017-06-27 Bürsteneinheit für eine bürstenwalze für eine schleuderstrahlanlage Active EP3266343B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17178106T PL3266343T3 (pl) 2016-07-04 2017-06-27 Moduł szczotki do walca szczotkowego wirnikowej oczyszczarki strumieniowej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016112195.9A DE102016112195A1 (de) 2016-07-04 2016-07-04 Bürsteneinheit für eine Bürstenwalze für eine Schleuderstrahlanlage

Publications (2)

Publication Number Publication Date
EP3266343A1 EP3266343A1 (de) 2018-01-10
EP3266343B1 true EP3266343B1 (de) 2019-03-27

Family

ID=59227618

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17178106.5A Active EP3266343B1 (de) 2016-07-04 2017-06-27 Bürsteneinheit für eine bürstenwalze für eine schleuderstrahlanlage

Country Status (4)

Country Link
EP (1) EP3266343B1 (es)
DE (1) DE102016112195A1 (es)
ES (1) ES2732193T3 (es)
PL (1) PL3266343T3 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020124982B4 (de) 2020-09-24 2023-04-27 Wheelabrator Group Gmbh Bürstenwalze für eine Schleuderstrahlanlage
CN113858055B (zh) * 2021-08-18 2024-01-23 姜义胜 用于弱电工程的空压泵活塞环生产线组

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533125A (en) * 1968-08-21 1970-10-13 James A Buechel Segmental cylindrical brush assembly
DE202004021149U1 (de) * 1990-06-07 2007-02-22 Btd Barteldrees Gmbh & Co. Rundbürste
DE9204253U1 (de) * 1992-03-28 1992-06-25 Schlick roto-jet Maschinenbau GmbH, 4439 Metelen Abreinigungsvorrichtung für eine Rollbahnstrahlanlage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL3266343T3 (pl) 2019-09-30
ES2732193T3 (es) 2019-11-21
EP3266343A1 (de) 2018-01-10
DE102016112195A1 (de) 2018-01-04

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