EP2468130A2 - Brosse rotative, notamment pour outil à main - Google Patents

Brosse rotative, notamment pour outil à main Download PDF

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Publication number
EP2468130A2
EP2468130A2 EP11188789A EP11188789A EP2468130A2 EP 2468130 A2 EP2468130 A2 EP 2468130A2 EP 11188789 A EP11188789 A EP 11188789A EP 11188789 A EP11188789 A EP 11188789A EP 2468130 A2 EP2468130 A2 EP 2468130A2
Authority
EP
European Patent Office
Prior art keywords
brush
bristles
brush roller
support structure
brushes
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.)
Withdrawn
Application number
EP11188789A
Other languages
German (de)
English (en)
Other versions
EP2468130A3 (fr
Inventor
Frank Walter
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2468130A2 publication Critical patent/EP2468130A2/fr
Publication of EP2468130A3 publication Critical patent/EP2468130A3/fr
Withdrawn legal-status Critical Current

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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
    • A46B13/003—Cylindrical or annular brush bodies made up of a series of annular brush rings; Annular brush rings therefor
    • 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
    • A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
    • 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
    • A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber

Definitions

  • the invention relates to a rotating brush, in particular for handheld power tools, according to the preamble of claim 1.
  • Rotating brushes are known as brush discs as well as brush rollers with radially projecting to their hub portion bristles or bristle bundles.
  • the peripheral surfaces of these usually for grinding or cleaning purposes, the latter, for example, for rust removal, artisan brushes are continuously on the axis of rotation parallel brush width plan, possibly the edges are rounded.
  • bristles are steel wire bristles, polyamide bristles, fibrous bristles or the like.
  • the invention has for its object to design rotary brushes such that they are suitable, while avoiding the aforementioned disadvantages, especially for nourishing cleaning, for smoothing and recovery of natural wood color also provided by the surface side, preferably groove-like depressions.
  • the disc-shaped, in their disc width at least approximately the respective groove width corresponding brush has a formed by their bristles peripheral and over the brush width stage contour, this can be applied to the respective groove the groove bottom as well as the flanks of the groove at least into the area detect their transition into the surfaces lying between adjacent grooves.
  • This can be achieved by the corresponding circumferential contours of the bristles of a brush and the groove into which the bristles, also a centering orientation of the brush to the respective groove. This is facilitated for hand-held machine tools their leadership and handling.
  • This regardless of the fact that the respective groove in the entire groove area on the bristles in substantially the same manner in both the groove bottom as well as in the region of the flanks is applied, and that a complementary, otherwise stop guide can be provided.
  • the bristles regardless of their radial orientation transversely to the plane of the pane, are partially spread apart from one another. This in particular in such a way that the bristles aligned with the flanks are each inclined relative to the adjacent groove flanks with respect to the bristles facing the groove base.
  • the bristles With regard to the stepped circumferential contour with an elevation given in the central transverse region of the respective pane relative to the edge regions, it proves expedient for the bristles to be longer for the middle region than for the edge regions.
  • the shorter and longer bristles may be formed in different thickness, strength and / or hardness as well as made of different materials.
  • An expedient embodiment is that the longer bristles are thinner than the shorter bristles, preferably also thinner and more flexible than the shorter bristles.
  • the bristles made of plastic, in particular polyamide, and this with a diameter of the bristles, which is of the order of one millimeter, in particular with corresponding deviations for the longer and shorter bristles.
  • the bristles are arranged clamped with respect to a hub, wherein the clamping can be done to the hub for all bristles on the same hub diameter, and the hub has a configuration that lying in the central transverse region Bristles on a larger diameter detected than the marginal bristles.
  • the hub is divided up of two axially connected hub parts, between which the bristles of a respective brush, in particular as a prefabricated bristle package, can be clamped.
  • the axial distance between successive brush discs can be adjusted in a simple manner by spacers, in particular washers as spacers to the respective dimension, so that assemble with brushes according to the invention also brush rollers in each required dimensions to let.
  • spacers are used according to the invention, which are axially elastic, so depending on the degree of optionally stop-limited elasticity and the amount of axial clamping force with which the brush discs are clamped, the respectively desired distance between the brush discs, if necessary, also on site adapt to the respective requirements.
  • the brushes can be clamped axially, for example, via a central clamping pin, which is also connected in a form-fitting manner with the brushes in a torque-transmitting manner as the brush-carrying shaft; This, for example, via appropriately matched non-circular cross sections or groove-like connections with, for example, along the clamping pin extending grooves and hub-side engaging lugs as springs.
  • the spacers lying in the transition between successive disk-shaped brushes as brush sections, namely as brush sections with a constant circumferential contour over the respective width.
  • the lying in the transition between the disc-shaped brushes spacers may for example be designed as sleeves, which are circumferentially provided in a corresponding manner with bristles which correspond in their radial length as the aligned on the flanks bristles of the disc-shaped brush parts.
  • both with respect to a single disc-shaped brush as well as brush rollers constructed using such disc-shaped brushes to provide a stop guide for such a working unit, preferably in the transition between the working unit and its drive provided craft machine is, in principle, both a co-rotating stop guide as well as a stationary hand tool stop guide comes into question.
  • the latter in particular as to be applied to the hand tool and applied against the flank of a groove guide member, comparable stop guides, as they are used as parallel guides in circular saws or the like.
  • Hand tool machines that are suitable for use with rotating brushes of the type according to the invention are often in their driving direction reversible, which is particularly true for drills, which also have a corresponding chuck to a rotating brush of the type according to the invention with the drill to a work unit connect.
  • Such a switchable counter-rotating drive with a corresponding direction of rotation reversal for the brush offers in particular the possibility to work with the working unit in opposite directions of advance. This can be useful in order to take into account the respective direction of fiber flow of the workpiece to be machined with the brush, so also to remove chippings or to polish them in the opposite direction after a successful cleaning of the respective workpiece.
  • a work unit of the aforementioned type such as one consisting of a drill and the chuck and their associated chuck roller working unit to lead over the drill with this freely projecting brush roller.
  • a work unit of the aforementioned type such as one consisting of a drill and the chuck and their associated chuck roller working unit to lead over the drill with this freely projecting brush roller.
  • the respective brush roller and the respective hand-held power tool connected to it connect to a working unit and via an additional, the brush roller cross-over Support structure are supported against each other.
  • a support structure for example, in a bridge-like cross-arrangement to the brush roller, a two-sided support of the brush roller can be achieved and connect with the possibility to facilitate the handling of the working unit.
  • the support structure similar to the handheld power tool, is also provided with access and handling surfaces, but optionally also with at least one grip part.
  • the bridge-like cross-training of the support structure also offers the possibility of stabilizing the brush roller, so that it has the form stability required for the work and also satisfied in the vibration behavior with ease of training, especially easier training of the brush shaft forming chuck.
  • the support structure may preferably be designed as a bridge-like support frame, a supporting leg is supported on a guide surface of the power tool, especially in a drill whose collet is guided and the other leg of the drill stored remote free end of the clamping pin of the brush roller stock.
  • This latter leg can be connected, for example, to the supporting leg connecting bridge web to a support angle, the support web is adjustably attached to the machine side support leg, so that on such an adjustment, the web length is adjustable, which offers mounting advantages, in particular the possibility of supporting structure in To adapt their size to the length of a respective brush.
  • the support structure may include at its connection end to the power tool, ie in particular to the drill, a gear unit, for example in the form of an angular gear, which makes it possible, provided for the drive of the brush roller hand tool, ie in particular drill, not only in the axial direction of the brush roller with this but also lying transversely thereto, so that there is a particularly advantageous under handling conditions working unit.
  • a gear unit for example in the form of an angular gear, which makes it possible, provided for the drive of the brush roller hand tool, ie in particular drill, not only in the axial direction of the brush roller with this but also lying transversely thereto, so that there is a particularly advantageous under handling conditions working unit.
  • the support structure functionally for other purposes, such as to design in a form, that it forms a dust collector, which is optionally also to be connected to a dust extraction device.
  • the invention thus provides a system as a whole, the use of a commercial hand tool, such as a hand drill, in conjunction with an additional tool in the form of a disc-shaped, rotating brush or brush to be cleaned and smoothing embedded in surfaces grooves, such as about the grooves of mostly made of tropical wood species decking made possible.
  • a commercial hand tool such as a hand drill
  • an additional tool in the form of a disc-shaped, rotating brush or brush to be cleaned and smoothing embedded in surfaces grooves, such as about the grooves of mostly made of tropical wood species decking made possible.
  • a first embodiment of a rotary brush 1 to be driven according to the invention is shown, which has a hub 2 and radially projecting to the hub 2 bristles 3.
  • the gradation of the circumferential contour results from the fact that, based on the width of the brush 1, these bristles 5 at the edge shorter than in the center region with the bristles 6.
  • the peripheral bristles 5 are preferably at a shallow angle to the vertical axis 4
  • Middle plane of the brush 1 is arranged, wherein this radially outwardly open angle in the Magnitude may be on average at about 20 °.
  • bristles 6 are thinner, and preferably also more flexible than the shorter bristles 5, wherein a diameter has proven to be expedient for the bristles 5, which is of the order of one millimeter.
  • bristles 5 made of plastic, preferably polyamide, with bristle lengths have proven to be appropriate, which are for the longer bristles 5 in the range of half the diameter of the hub 2.
  • the hub 2 has mutually parallel coaxial hub disks 7, which are axially fixed to one another and between which the bristles 3 are clamped with their foot-side ends.
  • the hub disks 7 can be connected axially braced against each other, for example via radially inner collar parts.
  • Such a disk-shaped, rotating brush 1 may preferably be provided for cleaning groove-shaped recesses, so in particular for the cleaning and processing of surface side provided with longitudinal grooves 9 boards 8 are used, as used in particular as coverings for patio floors, outdoor seating or the like.
  • planks are usually made of tropical woods, which are very resistant to rotting, but over time weathering surface gray side and embrittle. Thus, they lose the desired, even visually satisfactory smooth surface structure, associated with a certain tendency to splitting.
  • Fig. 5 By using the disc-shaped brush 1 can, as in Fig. 5 in a flow chart - see arrow 31 - on a floor 8 with extending in its longitudinal direction grooves 9 and lying between the grooves 9 webs 10 illustrated in the grooves 9 and in the transition region of the grooves 9 in the webs 10 due to weathering resulting surface coverings are also removed as well as splinters are removed, as they arise, especially in the transition region of the webs 10 in the flanks of the grooves 9 by gap formation.
  • the shorter, directed against the flanks bristles 5 also detect by splitting resulting chipping 11 by passing into the corresponding gap 12 intervene as in Fig. 5 shown in the middle.
  • the chipping 11 is detached from the flank, wherein the flank-side notch 13 resulting from this detachment is simultaneously smoothed and rounded.
  • Fig. 3 and 4 illustrate the construction of brush rollers 4 using disc-shaped brushes 1 in conjunction with the use of such brush rollers 14 for cleaning the grooves 9 of planks 8, as explained above using the example of the use of a brush 1.
  • the brushes 1 are axially and concentrically clamped together at a distance corresponding to the distance 15 between adjacent grooves 9, so that according to the number of clamped disc-shaped brushes 1, a number of adjacent grooves simultaneously processed and cleaned. It proves to be expedient if such a brush roller 14 comprises a number of disc-shaped brushes 1, which corresponds to the number of juxtaposed grooves 9 of a respective board 8.
  • Fig. 3 further illustrates a possibility of axial clamping of disc-shaped brushes 1 via a clamping pin 17 using spacers 18 located between the hubs 2 of the brushes 1, which can be formed as one-piece bushings or also formed by a plurality of spacers, which in a simple manner needs-based construction of brush rollers 14 allowed.
  • the clamping pin 17 expediently extends beyond a clamping nut 19 protruding in a non-circular 20, for example, an n-edge, so that in the usual way the connection to a drive machine 21, in Fig. 4 a hand drill on the chuck 22 can be done.
  • Fig. 8 illustrates that the sixteen shortcut to a brush roller brush 14 1 not only via a clamping pin 17 axially clamped against rotation to each other and the clamping pin 17 can be set, but that advantageous solutions in the invention also consist in the torque-transmitting connection between the clamping pin 17 and the To make brushes 1 via a positive connection 32.
  • a positive connection 32 illustrates, for example, the Fig.
  • Fig. 9 illustrated as a detail view too Fig. 3 in that the axial clamping of brushes 1 to a brush roller 14 using a tensioning pin 17 can preferably also be designed so that the spacers 16 lying between the brushes 1 are axially elastic and thus variable in their axial support length in accordance with the tension force F so that the axial distance between brushes 1 following one another in the brush roller 14 can be adjusted as a function of the clamping force F.
  • Such a solution is particularly suitable if, as in Fig. 8 illustrated in principle, the brushes 1 are connected to the clamping pin 17 as a shaft of the brush roller 14 torque transmitting form-fitting manner.
  • Fig. 5 illustrates Fig. 10 the possibility, with opposite driving directions, ie opposite directions of rotation of the brush roller 14 with their bristles 3 erosive to engage in the respective groove 9, so that, as in Fig. 10 illustrated, chippings 11 can be detected even if this different directions of engagement along the groove are given.
  • the different direction of rotation for the brushes 1 of the brush roller 14 is preferably used in the context of the invention in opposite, respectively the circumferential direction engaging the groove 9 corresponding feed directions 35 are used.
  • brushes 25 are compared to the brush 1 according to Fig. 1 to 4 wider, wherein the width 26 of a brush 25 corresponds to the distance between the centers of two adjacent grooves 9 of the workpiece to be cleaned, in particular the respective board 8.
  • the brush 25 is provided at the edge with longer bristles 27, and in the intermediate transition region with shorter bristles 28.
  • brushes 25 thus enable a full-surface machining of the surfaces of grooved boards 8, wherein the axial clamping can be done in any way, for example in a in Fig. 3 illustrated way.
  • Fig. 7 illustrates that brushes 25 can also be used across to joined planks 8. A lying between two planks 8 butt joint is indicated by dashed lines at 30.
  • Fig. 11 to 13 show variants of working units 36, each constructed using a trained as a hand drill 37 drive machine 21, a brush roller 14 and a support structure 38.
  • the latter has the function of hand drill 37 and brush roller 14 in the drive unit 36 to connect stabilizing, and this preferably in conjunction with further functions, in particular in conjunction with the improvement of the handling of the working unit 36, to allow for variations in the design of the working unit 36 and / or to act as a dust collecting or dust collecting device.
  • Fig. 11 shows this an embodiment of the support structure 38 as a bridge 39, which in the direction of the axis 4 of the engaged therefrom brush roller 14 to each other spaced support legs 40, 41, which are connected via a web 42.
  • the support legs 40, 41 the supporting support of the brush roller 14 via the clamping pin 17 at the distal end of the hand drill 37 in the support leg 40, while on the support leg 41 formed as a bridge 39 supporting structure 38 is supported on the clamping neck 43 of the hand drill 37, which in turn via its chuck, not shown, the clamping pin 17 receives at the drive end end supporting.
  • the bridge 39 is, as schematically illustrated in an embodiment of the invention, adjustable in the direction of the axis 4 in its span, which on the one hand facilitates the assembly and on the other hand, the use of the bridge 39 for different in their axial length brush rollers 14 allows.
  • the support leg 40 is in particular integrally connected to the web 41 to a support bracket 44 which in turn in the overlapping region of the web 42 to the support leg 41 fixable, in particular fixable by bracing. It is indicated that preferably on the web 42 of the bridge 39, a handle 45 is provided.
  • the web 42 itself in such a way that it is easy to grip as a handle, wherein expediently, the web 42 may be designed as part of the brush roller 14 at the same time.
  • the web 42 may be designed as part of the brush roller 14 at the same time.
  • rain gutter-like cross-sectional shapes in question which are formed in the apex area to a longitudinally extending grip web, approximately analogous to the handle 45th
  • Fig. 12 shows a basic structure of Fig. 11 corresponding representation, in which case, however, the support structure 38 terminates in the direction of the hand drill 37 to be connected in a gear box 46 which receives a preferably designed as an angular gear 47 gearbox.
  • a gear box 46 which receives a preferably designed as an angular gear 47 gearbox.
  • One possible embodiment of such a transmission 47 is illustrated Fig. 12 by the formation of the protruding into the gear box 46 end of the clamping pin 17 as a gear member 48 which meshes with an angle thereto standing gear member 49.
  • the gear member 48 may be formed as a worm, in which the counter member 49, designed as a gear, in particular bevel gear, engages.
  • the gear member 49 is rotatably connected to a shaft journal 50, which in turn can be rotatably received by the chuck of the hand tool, in particular hand drill 37, which in turn can be recorded on its clamping neck 43 in the gear box 46 fixed position and connected thereto.
  • FIG. 4 illustrates, highly schematically, a view of the processing unit 36 according to FIG Fig. 12 , wherein the bridge to the brush roller 14 cross bridge 39 of the support structure 38 is designed at least in axial sections as dust collection or dust collection 51, which may optionally in particular in the direction of the connected hand drill 37, which is not shown, may be connected to a suction device.
  • the dust collecting or dust collecting device is illustrated by dust pockets 52, which are then provided on the transverse to the axis 4 opposite, adjoining the web 42 side walls 53.
  • the dust pockets 52 are formed in the schematic representation in that the side walls 53 are bent off and bent back expiring in the opposite direction, so are formed in total as U-shaped, against the web 42 open channels or as at least frontally closed boxes. Within the scope of the invention is to make such dust bags in other ways.
  • the side walls 53 are provided with openings 54 and, for example, formed like a lattice or slotted.
  • the invention provides using brushes 1 or brushes 25, the possibility to achieve due to the circumferentially over the respective brush width stepped circumferential contour of their bristles cleaning and / or preparation of grooved surfaces having workpieces quickly, easily and with good surface quality, without to use expensive procedures or to use expensive and complicated tools and machines.
  • a very expedient solution has been created which, at least in terms of the quality of the result, can also be advantageously used for the professional sector.

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Harvester Elements (AREA)
  • Brushes (AREA)
EP11188789A 2010-12-23 2011-11-11 Brosse rotative, notamment pour outil à main Withdrawn EP2468130A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010064038 2010-12-23
DE201110005828 DE102011005828A1 (de) 2010-12-23 2011-03-21 Rotierende Bürste, insbesondere für Handwerkzeugmaschinen

Publications (2)

Publication Number Publication Date
EP2468130A2 true EP2468130A2 (fr) 2012-06-27
EP2468130A3 EP2468130A3 (fr) 2012-08-01

Family

ID=45400900

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11188789A Withdrawn EP2468130A3 (fr) 2010-12-23 2011-11-11 Brosse rotative, notamment pour outil à main

Country Status (3)

Country Link
EP (1) EP2468130A3 (fr)
CN (1) CN102551327A (fr)
DE (1) DE102011005828A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104839993A (zh) * 2014-02-19 2015-08-19 诠盈材料股份有限公司 用于一多孔垫或一刷的贯穿互连式可旋转基座
US10517385B2 (en) * 2014-07-16 2019-12-31 Markus Kress Roller brush, in particular for a cleaning and/or care device and cleaning and/or care device
US11484173B2 (en) 2014-07-16 2022-11-01 Markus Kress Roller brush, in particular for a cleaning and/or maintenance device and a cleaning and/or maintenance device

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US8695147B2 (en) * 2011-12-16 2014-04-15 George Felton, III Universal VELCRO® cleaning tool
CN104056796B (zh) * 2014-06-06 2016-09-14 深圳市泉峰精密机械有限公司 Usb屏蔽线扫线装置
DE102015006092A1 (de) 2015-05-09 2016-11-10 Gunnar Pöppe Reinigungseinrichtung zum Säubern und Pflegen von Terrassendielen o. dgl. Nutzflächen
CN106388236A (zh) * 2016-11-27 2017-02-15 刘自锋 一种刷片
CN106820553A (zh) * 2017-02-10 2017-06-13 成都蒲江珂贤科技有限公司 一种墙皮涂刷用滚筒刷
DE102018114031A1 (de) * 2017-09-20 2019-03-21 Zahoransky Ag Verfahren und Vorrichtung zum Bearbeiten eingedrehter Bürsten
JP6957429B2 (ja) * 2018-09-18 2021-11-02 株式会社東芝 クリーナーヘッド、除去装置及び除去方法
CN110130248B (zh) * 2019-05-21 2021-11-19 江苏盛达福交通工程有限公司 一种潮汐车道用隔离水马桩的清理缓冲结构
CN112643510B (zh) * 2020-12-23 2022-03-25 神华铁路装备有限责任公司 铁路货车轮对除锈机及轴身除锈装置

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FR2762764B1 (fr) * 1997-05-05 1999-07-16 Soc D Etablissements Roger Bri Brosse pour installation de lavage automatique de vehicules
US6393645B1 (en) * 2000-10-06 2002-05-28 Corey D. Kadinger Adjustable fitting and pipe cleaning brush device
JP2007237107A (ja) * 2006-03-10 2007-09-20 Big Alpha Co Ltd 清掃具
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US20080047085A1 (en) * 2006-08-23 2008-02-28 Kolarevic John S Handheld Rotary Wheel Cleaning Brush
FR2910805B1 (fr) * 2006-12-29 2009-06-26 Jean F Amiaut Dispositif pour le brossage et le massage des muqueuses bucco-dentaire
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104839993A (zh) * 2014-02-19 2015-08-19 诠盈材料股份有限公司 用于一多孔垫或一刷的贯穿互连式可旋转基座
US10517385B2 (en) * 2014-07-16 2019-12-31 Markus Kress Roller brush, in particular for a cleaning and/or care device and cleaning and/or care device
US11484173B2 (en) 2014-07-16 2022-11-01 Markus Kress Roller brush, in particular for a cleaning and/or maintenance device and a cleaning and/or maintenance device

Also Published As

Publication number Publication date
DE102011005828A1 (de) 2012-06-28
CN102551327A (zh) 2012-07-11
EP2468130A3 (fr) 2012-08-01

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