EP4218494B1 - Bürstenaggregat - Google Patents

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Publication number
EP4218494B1
EP4218494B1 EP22153479.5A EP22153479A EP4218494B1 EP 4218494 B1 EP4218494 B1 EP 4218494B1 EP 22153479 A EP22153479 A EP 22153479A EP 4218494 B1 EP4218494 B1 EP 4218494B1
Authority
EP
European Patent Office
Prior art keywords
brush
belt
brush holder
axis
holder
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
EP22153479.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4218494A1 (de
EP4218494C0 (de
Inventor
Sander Hendrikus Johannes Hofstee
Jan Frederik DODDEMA
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.)
Monti Werkzeuge GmbH
Original Assignee
Monti Werkzeuge 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 Monti Werkzeuge GmbH filed Critical Monti Werkzeuge GmbH
Priority to EP22153479.5A priority Critical patent/EP4218494B1/de
Priority to PL22153479.5T priority patent/PL4218494T3/pl
Priority to TW112102536A priority patent/TW202335606A/zh
Priority to CN202310091202.0A priority patent/CN116491756A/zh
Priority to AU2023200348A priority patent/AU2023200348A1/en
Priority to US18/100,585 priority patent/US20230232975A1/en
Priority to JP2023008440A priority patent/JP2023109167A/ja
Priority to CA3187780A priority patent/CA3187780A1/en
Priority to KR1020230009637A priority patent/KR20230115258A/ko
Priority to MX2023001135A priority patent/MX2023001135A/es
Publication of EP4218494A1 publication Critical patent/EP4218494A1/de
Application granted granted Critical
Publication of EP4218494B1 publication Critical patent/EP4218494B1/de
Publication of EP4218494C0 publication Critical patent/EP4218494C0/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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A46B13/006—Cylindrical or annular brush bodies formed by winding a strip tuft in a helix about the body
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
    • 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
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • 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
    • B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
    • B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3086—Brushes for polishing
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3093—Brush with abrasive properties, e.g. wire bristles

Definitions

  • the invention relates to a method for machining the surface of a workpiece according to claim 1.
  • the process described here essentially involves the manufacture of such a brush unit.
  • the bristle ring can also be spiral-shaped and rotate around an axis.
  • EP 1 834 733 B1 The procedure is such that the bristles are slowed down for a certain time with the aid of the stopping means which is immersed in the rotating bristle ring. After the bristles are released by passing the stopping means, the kinetic energy stored in the bristles and/or a brush band holding the bristles can be used. The kinetic energy is used for the predominantly impact treatment of a surface of the workpiece using the bristles. This achieves effects comparable to those observed in so-called sandblasting.
  • the advantage of the known procedure according to the EP 1 834 733 B1 The advantage over sandblasting is that it works without blasting media, so that the technical The effort involved is significantly reduced. Environmental pollution caused by the blasting media can also be avoided. Furthermore, a particularly cost-effective setup and efficient procedure are observed. This has proven successful.
  • the stop means which is immersed in the rotating bristle ring is also designed as a grinding body for the bristles.
  • the two functions i.e. the stop function and the grinding function, depending on the direction of rotation of the ring brush and/or the position of the stop means in relation to the bristle ring.
  • the stop means is designed to be adjustable in relation to the bristle ring.
  • the stop means can be adjusted radially and/or tangentially. Eccentric adjustment of the stop means is also possible.
  • the stop means can be adjusted by the driven bristles.
  • the anisotropy or lack of uniformity of the roughness profile observed in the prior art can essentially be attributed to the fact that the bristles are typically anchored in the brush belt. Since the bristles are often U-shaped, the brush belt carrying the bristles is equipped with rows of bristles in its circumferential direction and axial spacing between them, which is due, for example, to the U-shape of the bristles. These spacings between the individual rows of bristles result in the roughness profile being uneven during percussive machining of the workpiece surface. In practice, attempts are made to counteract this by having the brush unit or a rotary brush tool equipped with one back and forth over the surface, for example.
  • the invention is based on the technical problem of further developing such a method for machining the surface of a workpiece using a brush unit in such a way that the roughness profile produced in this way on the surface of the workpiece machined thereby has an increased uniformity compared to the previous state of the art. Furthermore, the possibility should be opened up at the same time to Increase roughness if necessary.
  • the invention proposes, in a generic method for machining the surface of a workpiece using a brush unit, that the bristle ring of the ring brush, which runs obliquely relative to the axis of the brush holder, acts on the surface in a tumbling, rotating manner.
  • the approach is usually such that the longitudinal extension of the brush strip and the axis of the brush holder form an acute angle of approximately 60° to less than 90°.
  • Acute angles of approximately 70° to 85° are preferred in this context. Angles of approximately 85° have proven particularly advantageous in this context.
  • the brush belt is guided in more than one revolution around the axis of the brush holder and connected to the latter. Furthermore, the design is such that the brush belt encloses the brush holder in a spiral shape.
  • the brush belt which runs spirally around the axis of the brush holder, generally has a constant pitch angle, thus ensuring that the spiral described by the brush belt relative to the axis of the brush holder is regular.
  • an irregular shape is also conceivable.
  • This additional helical design of the brush belt's path relative to the brush holder's axis essentially defines several discs of the bristle ring - so to speak. These discs perform respective wobbling movements around their fictitious rotational axes. This ultimately leads to the overlap of individual axial working areas or processing zones created by the wobbling movement and swept over by the respective bristle. This mutual overlap ultimately results in the surface of the workpiece being machined in this way being provided with a roughness profile with a previously unobserved homogeneity, i.e., the individual craters belonging to the roughness profile are evenly distributed across the surface, largely of the same depth and at the same distance from one another.
  • the brush holder has a circumferential groove to accommodate the brush belt. This is usually done so that the brush belt engages in the relevant groove with essentially no lateral play.
  • the groove is advantageously delimited by respective groove walls.
  • the groove walls are generally perpendicular to a cylindrical surface of the brush holder.
  • the brush holder, including the groove and groove walls is designed as a plastic molded part, and in particular as an injection-molded plastic part.
  • the brush strip is connected to the brush holder at least at certain points.
  • the connection is generally mechanical and/or adhesive.
  • the brush belt is designed as a fabric belt, for example as a polyamide fabric belt.
  • the described brush unit can also be advantageously equipped with a stopper that is immersed in the rotating bristle ring.
  • This stopper can be used to influence the roughness particularly favorably and positively, as is shown in the EP 1 834 733 B1 The applicant describes this in detail. In principle, such a stopping agent is, of course, unnecessary.
  • FIG. 1 A rotary brush tool is shown, which is equipped with a machine housing 1 and a drive unit 2, which is only indicated and accommodated therein, for a brush unit 3.
  • the brush unit 3 has a brush holder 4 which can be driven in rotation about an axis A.
  • the brush holder 4 is the subject of a detailed view in the Fig. 2 .
  • a ring brush 5, 6 is provided, consisting essentially of a brush band 5 and bristles 6 connected thereto, forming a bristle ring 7 and projecting outwards.
  • the individual bristles 6 can be U-shaped and can be inserted through respective receiving holes 5a in the brush belt 5. This is only shown in detail in the Fig. 3 indicated.
  • the design is such that the brush belt 5 with its Fig. 2 and 3 indicated longitudinal extension L and thus also the bristle ring 7 is connected to the brush holder 4 in a manner different from a vertical orientation compared to the axis A of the brush holder 4, running obliquely to the axis A.
  • an acute angle ⁇ is observed between the longitudinal extension L of the brush belt 5 on the one hand and the axis A of the brush holder 4 on the other.
  • the acute angle ⁇ in question assumes values in the range of approximately 70° to 85°, and is in any case below 90°. Angles ⁇ in the range of approximately 85° are usually used here, although this is of course only an example.
  • the disk in question rotates when the brush holder 4 rotates about its axis A at a speed in the Fig. 3 indicated rotation itself around its own rotation axis R. Due to the rotation of the brush holder 4 and the inclination of the disc, the associated and fictitious rotation axis R now has the Fig. 3 In effect, a precessional motion or wobbling motion of the assumed disk is observed, which manifests itself in the different orientations of the rotation axis R of the assumed disk.
  • the bristles 6 are usually U-shaped and therefore have a slight spacing between them, the surface 9 of the workpiece in question is no longer practically exposed to stripes by the individual bristles 6, as in the prior art, but rather the individual processing areas B of the bristles 6 overlap one another, thus ensuring a particularly homogeneous roughness profile on the surface 9 of the workpiece in question. This consistency and design of the roughness profile have not been observed before.
  • the brush belt 5 is now not only guided in one revolution around the brush holder 4, but in more than one revolution around the axis A of the brush holder 4 and connected to it.
  • the brush belt 5 encloses the brush holder 4 in a spiral shape.
  • the overall design is such that the brush belt 5, which runs spirally to the axis A of the brush holder 4, has a constant pitch angle, thus ultimately the individual Fig. 2
  • the angle ⁇ indicated between the respective longitudinal extension L of the brush belt 5 and the axis A of the brush holder 4 are each designed to be the same size. This is therefore a uniform spiral in which the brush belt 4 is guided around the respective axis A.
  • the design is such that the brush belt 4 engages substantially laterally without play in a circumferential groove 10, as can be seen from the Fig. 2 can be understood.
  • the respective groove 10 is delimited by groove walls 11, each of which stands opposite a cylindrical surface.
  • the brush holder 4, together with the groove 10 and the groove walls 11 defining the groove 10, is designed as a plastic part and preferably as a plastic injection-molded part.
  • the groove 10 and the groove walls 11 can also be printed or introduced by a three-dimensional molding process. Mechanical production of the groove 10 as well as the groove walls 11, for example by milling a cylindrical plastic part, is also conceivable.
  • the brush belt 5 is connected to the brush holder 4 at least at certain points.
  • the connection can be mechanical and/or adhesive.
  • the brush belt 4 is usually designed as a fabric belt, particularly made of a polyamide fabric.
  • a brush that is immersed in the rotating bristle ring 7 and only in the Fig. 1 indicated stop means 12 may be provided, which is connected to a boom 13 of the rotary brush tool shown there or its machine housing 1.
  • each individual bristle 6 or each helix of the brush belt 4 processes the already mentioned and axially extended processing zone B on the surface 9 of the workpiece, as shown in the Fig. 3 This results in an overlap of the individual processing zones B, resulting in the surface 9 being provided with a particularly homogeneous roughness profile.
  • the individual bristles 6 are made of steel. Of course, other materials such as plastic or combinations thereof are also conceivable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Massaging Devices (AREA)
  • Transplanting Machines (AREA)
EP22153479.5A 2022-01-26 2022-01-26 Bürstenaggregat Active EP4218494B1 (de)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP22153479.5A EP4218494B1 (de) 2022-01-26 2022-01-26 Bürstenaggregat
PL22153479.5T PL4218494T3 (pl) 2022-01-26 2022-01-26 Zespół szczotkowy
TW112102536A TW202335606A (zh) 2022-01-26 2023-01-19 刷具總成
CN202310091202.0A CN116491756A (zh) 2022-01-26 2023-01-20 刷总成、旋转刷具以及用于加工工件表面的方法
AU2023200348A AU2023200348A1 (en) 2022-01-26 2023-01-23 Brush unit
JP2023008440A JP2023109167A (ja) 2022-01-26 2023-01-24 ブラシユニット
US18/100,585 US20230232975A1 (en) 2022-01-26 2023-01-24 Rotary brush assembly
CA3187780A CA3187780A1 (en) 2022-01-26 2023-01-25 Brush assembly
KR1020230009637A KR20230115258A (ko) 2022-01-26 2023-01-25 브러시 조립체
MX2023001135A MX2023001135A (es) 2022-01-26 2023-01-26 Montaje de cepillo.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22153479.5A EP4218494B1 (de) 2022-01-26 2022-01-26 Bürstenaggregat

Publications (3)

Publication Number Publication Date
EP4218494A1 EP4218494A1 (de) 2023-08-02
EP4218494B1 true EP4218494B1 (de) 2025-06-11
EP4218494C0 EP4218494C0 (de) 2025-06-11

Family

ID=80035136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22153479.5A Active EP4218494B1 (de) 2022-01-26 2022-01-26 Bürstenaggregat

Country Status (10)

Country Link
US (1) US20230232975A1 (enExample)
EP (1) EP4218494B1 (enExample)
JP (1) JP2023109167A (enExample)
KR (1) KR20230115258A (enExample)
CN (1) CN116491756A (enExample)
AU (1) AU2023200348A1 (enExample)
CA (1) CA3187780A1 (enExample)
MX (1) MX2023001135A (enExample)
PL (1) PL4218494T3 (enExample)
TW (1) TW202335606A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220202154A1 (en) * 2020-12-31 2022-06-30 Gregory Joseph Electric Hair Brush
CN120228631B (zh) * 2025-04-30 2025-10-10 揭阳市美卡伦五金实业有限公司 一种不锈钢餐具的加工方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US264826A (en) * 1882-09-19 Gun-brush
US665832A (en) * 1900-10-06 1901-01-08 Sidney H Bellows Brush.
US1860572A (en) * 1930-02-04 1932-05-31 Ind Brush Company Brush
US2045373A (en) * 1935-02-08 1936-06-23 Walter S Lang Brush
US2281412A (en) * 1939-06-28 1942-04-28 Fuller Brush Co Brush
US2267584A (en) * 1939-06-28 1941-12-23 Fuller Brush Co Brush
US2553748A (en) * 1945-12-22 1951-05-22 Elgin Sweeper Co Power sweeper broom
US2682679A (en) * 1951-12-24 1954-07-06 Wayne Manufacturing Co Rotary sweeper brush having plastic impregnated core
US2782439A (en) * 1952-12-22 1957-02-26 Wayne Manufacturing Co Rotary brushes
US2783095A (en) * 1952-12-22 1957-02-26 Wayne Manufacturing Co Methods for forming rotary brushes
US2817108A (en) * 1955-01-18 1957-12-24 Pittsburgh Platc Glass Company Retaining device for channel strips of spirally wound brushes
GB799536A (en) * 1956-01-19 1958-08-13 Richard Edward Wilson Improvements in rotatable sweeping brushes for mechanical sweeper collectors
US3193866A (en) * 1963-07-16 1965-07-13 Ind Brush Company Rotary brush means and brush strip slack accumulator therefor
US3439373A (en) * 1967-12-26 1969-04-22 Gaylord J Clark Brush structure
FR2851141B1 (fr) * 2003-02-18 2006-06-09 Cardot Technologie Brosserie I Brosse helicoidale rotative
JP2007202798A (ja) * 2006-02-02 2007-08-16 Hiromi Fujita ロール歯ブラシの植毛方法。
EP1834733B1 (de) 2006-03-13 2008-08-20 Monti-Werkzeuge Gmbh Bürstenaggregat sowie Verfahren zur Bearbeitung einer Werkstückoberfläche mit Hilfe des Bürstenaggregates
JP5459648B2 (ja) * 2008-02-13 2014-04-02 株式会社アオキスイーパー 直線状又は円盤状ブラシ材及び円筒状ブラシ並びに直線状又は円盤状ブラシ材の製造方法
NL2003065C2 (nl) * 2009-06-22 2010-12-23 Rudolphus Martinus Maria Raymakers Schoonmaakborstel voor het van haren ontdoen van een haarborstel, alsmede borstelschoonmaakinrichting voorzien van een dergelijke schoonmaakborstel.
DE102010046398A1 (de) 2010-09-24 2012-03-29 Monti-Werkzeuge Gmbh Bürstenaggregat
US9572469B2 (en) * 2015-02-03 2017-02-21 Rps Corporation Cylindrical brush assembly for a floor maintenance machine
DE102017110842B4 (de) * 2017-05-18 2025-01-16 Monti-Werkzeuge Gmbh Bürstenaggregat sowie zugehöriges Rotationsbürstenwerkzeug

Also Published As

Publication number Publication date
EP4218494A1 (de) 2023-08-02
US20230232975A1 (en) 2023-07-27
CA3187780A1 (en) 2023-07-26
EP4218494C0 (de) 2025-06-11
KR20230115258A (ko) 2023-08-02
PL4218494T3 (pl) 2025-12-01
MX2023001135A (es) 2023-07-27
TW202335606A (zh) 2023-09-16
JP2023109167A (ja) 2023-08-07
AU2023200348A1 (en) 2023-08-10
CN116491756A (zh) 2023-07-28

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