EP1916058A1 - Outil de brossage - Google Patents

Outil de brossage Download PDF

Info

Publication number
EP1916058A1
EP1916058A1 EP07118771A EP07118771A EP1916058A1 EP 1916058 A1 EP1916058 A1 EP 1916058A1 EP 07118771 A EP07118771 A EP 07118771A EP 07118771 A EP07118771 A EP 07118771A EP 1916058 A1 EP1916058 A1 EP 1916058A1
Authority
EP
European Patent Office
Prior art keywords
brushing tool
tool
brushing
plate
carrier plate
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
EP07118771A
Other languages
German (de)
English (en)
Other versions
EP1916058B1 (fr
Inventor
Norbert Jaksch
Helmut PFÖRTNER
Clementina Cretu
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.)
Kyra 1 GmbH
Original Assignee
Mechanik Center Erlangen 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 Mechanik Center Erlangen GmbH filed Critical Mechanik Center Erlangen GmbH
Publication of EP1916058A1 publication Critical patent/EP1916058A1/fr
Application granted granted Critical
Publication of EP1916058B1 publication Critical patent/EP1916058B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B24D13/14—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face
    • B24D13/145—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by the front face having a brush-like working surface
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/08—Supports or guides for bristles
    • A46B9/10—Adjustable supports
    • 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
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • 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
    • B24D13/18—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor with cooling provisions
    • 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
    • B24D13/20—Mountings for the wheels

Definitions

  • the invention relates to a brushing tool according to the preamble of claim 1 and a stocked with such a brushing machine tool.
  • Such brushing tools are used for surface treatment of workpieces, such as, for example, the cleaning or deburring of workpieces on which burrs or sharp edges and associated contaminants have been created by a preceding mechanical working process, such as a cutting, milling or drilling process.
  • a deburring device with at least one brushing tool which has a rotating support plate in which at least one brush is held and arranged axially or at an angle to the axis of rotation of the support plate. Furthermore, the brushing tool has at least one spaced apart and rotationally fixed to the support plate guide plate, through which the at least one brush is guided with their freely emerging bristles.
  • the known brushing tool sits on an adjustable carriage and is a fixed part of the deburring device.
  • deburring devices are costly one-offs of special machine construction, the purchase of which is profitable only in mass production, where a large number of workpieces are processed and the space for such a special machine is present in the production line.
  • the invention is therefore based on the object to provide a brushing tool of the type mentioned, which can be used without the high investment cost of a complete deburring machine.
  • a generic brushing tool with the features of the characterizing part of claim 1.
  • a brushing tool for deburring and / or cleaning of machined workpieces which can be used in all machine tools that have a suitable interface between their drive device and the receiving device of the brushing tool.
  • the versatility of the use of the brushing tool is determined by the design of its receiving device, that is, the machine-side share.
  • the brushing tool can in this case have a plurality of bristle bundles distributed in the form of a cup brush arranged distributed on a pitch circle around its axis of rotation.
  • the receiving device has a conical section, which is provided for clamping in the drive device.
  • standardized surface chucks with conical shank can be used here for receiving the brushing tool in the drive device.
  • the receiving device has a gripping collar with an annular groove. Into the groove of the gripping collar can attach a Geifarm a machine tool to grasp the brushing tool and automatically replace this for another tool.
  • the receiving device has an adjusting device, by means of which the carrier plate relative to Guide disk is displaceable along the axis of rotation.
  • the support plate can be delivered with the bristle bundles clamped therein regardless of the guide disc at a given distance of the guide disc to the surface of the workpiece. This allows a compensation of the wear of the bristle bundles by axial feed towards the workpiece.
  • the adjusting device is designed as a threaded connection.
  • a rotational movement is converted into an axial movement of the support plate, whereby the feed movement can be made with high accuracy.
  • the adjusting device has locking means for fixing a set position of the carrier plate. In this way, a set bristle projection can be kept, since the support plate is secured against adjustment, for example by the machining process. This allows a reproducible high processing quality.
  • a dirt cover enclosing the receiving device is arranged between the carrier plate and the guide plate.
  • the dirt cover adapts to the respectively set distance between carrier plate and guide plate.
  • the dirt cover may be formed as a truncated cone spring in the form of a conical helical compression spring made of strip with a rectangular cross-section. It protects, for example, the threaded connection of the adjusting device against contamination by the resulting machining abrasion or supplied coolant or lubricant.
  • the brushing tool runs a channel system for the supply of coolant and / or lubricant through the receiving device and through the support plate and / or guide disc and opens directly to the at least one bristle bundle.
  • coolant and / or lubricant can be brought from the inside directly to the place of heat generation during the brushing process.
  • the supply of coolant and / or lubricant within the guide disc this is cooled directly. This is particularly important in the processing of manganese-containing workpieces, since the resulting heat generation represents a fire hazard.
  • significantly longer service lives of the brushing tool are achieved. This results in an improvement of deburring results, for example, since the fillets are more uniform and the surface finish is better. This in turn leads to an improvement in the removal rate as well as to shorter throughput times of the workpieces.
  • the channel system of the brushing tool according to the invention preferably has a central distributor space in the guide disk and radial channels extending therefrom to an orifice on a bundle of bristles.
  • heat dissipation is achieved by supplying coolant and / or lubricant to the guide disk in the central distributor space and then supplying it by the rotational movement as a result of the centrifugal force through the radial channels which each lead to a bristle bundle.
  • coolant and / or lubricant is brought exactly to the place of heat generation.
  • the guide plate is cooled flat by a star-shaped pattern of radial channels.
  • the channel system has an axial channel running in the receiving device, which opens into the central distributor chamber.
  • Receiving devices in a standardized version are also available with an axial channel, in which about from a reservoir of a machine tool coolant and / or lubricant can be fed.
  • At least one of the orifices of one of the radial channels is arranged on a side of the bristle bundle facing the axis of rotation.
  • the mouths are arranged on the inner sides of the bristle bundles, the coolant and / or lubricant is pressed by the centrifugal force in the operation of the brushing tool in the bristle bundle and can run from there to the free ends of the bristles so as to the working surface on the workpiece reach.
  • the guide disk has a base body with holes for the passage of a bristle bundle and a cover plate, wherein the radial channels are formed by grooves extending radially in the base body and by the cover plate closing the latter laterally.
  • a machine tool for machining a workpiece which comprises a drive device for carrying out a rotary and / or translatory feed movement, is coupled with a brushing tool according to the invention in such a manner that the guide plate is durable at a constant distance from the workpiece to be machined.
  • a brushing tool according to the invention When used in such universal machine tools whose stock of tools is enriched by the brushing tool according to the invention, which increases their processing variety.
  • the tool is held in a tensioning device against which the brushing tool performs the advancing movements. Due to the constant held distance of the guide disk to the workpiece surface a consistent bristle projection and thus a constant machining result is achieved.
  • the machine tool comprises a reservoir of different tools for machining a workpiece and is designed for automatic replacement of tools between two machining operations.
  • a workpiece can thus be processed by one and the same machine first by the use of milling or drilling tools and then by means of a Bürsttechnikmaschinemaschinees invention, without machine change and without manual tool change.
  • the machine tool is designed as an industrial robot.
  • the receiving device of the brushing tool according to the invention may be rotatably clamped about the axis of rotation, wherein a geared motor is flanged as a drive device.
  • a brushing tool 10 has a multiplicity of bristle bundles 20-for example eighteen-which are uniformly distributed on a graduated circle and clamped in a carrier plate 30 with its upper end.
  • the bristle bundles 20 are paired by circular segment Clamping elements 31 held, which are fastened by means of clamping screws 32 from the outside to the support plate 30.
  • a bundle of bristles 20 consists of a multiplicity of bristles, for example of nylon, which are brushed together at their one end into a bundle.
  • the free ends of the bristle bundles 20 are guided through holes 43 of a guide plate 40 spaced from the carrier plate 30 and form a projection projecting out of the guide plate 40.
  • the carrier plate 30 and the guide plate 40 are rotatably connected to a rotationally symmetrical receiving device 50, which defines a rotation axis R.
  • the support plate 30 has a central through-hole and is slid over a cylindrical brush portion 52 of the receiver 50, while the guide washer 40 is fixed to the end surface of the brush portion 52.
  • the receiving device 50 has at its end facing away from the brush portion 52 a conical portion 51 which is provided for clamping the brush tool 10 and thus for the coupling with a drive device, not shown, for example, a machine tool.
  • a drive device not shown, for example, a machine tool.
  • standard surface chuck DIN 69871 A with taper shank according to DIN 2080 AT 3 are used for receiving in the drive device.
  • the brushing tool 10 executes a rotary feed movement V R about the axis of rotation R. In addition, this can be superimposed on a translational feed movement V T relative to the workpiece W to be machined.
  • the receiving device 50 has between the cone portion 51 and the brush portion 52 a gripping collar 54, in which an annular groove is incorporated. In this groove with trapezoidal cross-section can attach a gripping member of a machine tool to make an automatic tool change.
  • the receiving device 50 has an adjusting device 60 or 70, by means of which the carrier plate 30 is displaceable relative to the guide plate 40 along the axis of rotation R. If wear of the bristles occurs, an advancing movement Z of the bristle bundles 20 can be made via the adjusting device 60 or 70 so as to restore the bristle projection of about 18 to 20 mm required for an optimum processing result.
  • the receiving device 50 has an axially parallel groove 53 in the brush section 52 into which a feather key 67 engages in a form-fitting manner.
  • the feather key 67 is fixedly connected to the carrier plate 30 by means of a screw 66, whereby the carrier plate 30 attains its non-rotatable but slidable connection with the brush portion 52 along the axis of rotation R.
  • the adjusting device 60 comprises an adjusting nut 61, which is screwed onto a corresponding threaded portion 56 of the brush portion 52.
  • a coupling plate 64 is fastened by means of fastening means 65, which has an annular web.
  • the coupling plate With its web, the coupling plate engages in an annular groove of the adjusting nut 61, so that the axial movement of the adjusting nut 61 is transmitted to the carrier plate 30 via the coupling plate 64 during its rotation.
  • the key 67 moves along the groove 53.
  • a locking nut 62 is screwed adjacent to the adjusting nut 61.
  • the nuts 62, 63 axially braced against each other, so they can not solve by themselves.
  • the adjusting nut and the locking nut can also be integrally formed; such one-piece locknuts are commercially available.
  • the receiving device 50 in the brush portion 52 three axially parallel and in the 120 ° distance to each other arranged grooves 53, in each of which a key 77 engages positively.
  • the feather keys 77 are fixedly connected to the carrier plate 30 via screws 76 inserted in radial bores 33, whereby the carrier plate 30 acquires its non-rotatable but slidable connection with the brush section 52 along the axis of rotation R.
  • the adjusting device 70 comprises an adjusting nut 71 with internal thread, which is fixed in an end-side axial bore 55 in the brush portion 52 as by injection.
  • the adjusting nut 71 has on its circumference three axially parallel grooves into which the feather keys 77 engage, wherein the guided by the feather keys 77 screws 76 engage in the adjusting nut 71.
  • collar screw 72 is screwed in the internal thread of the adjusting nut 71 guided through the guide plate 40 into the axial bore 55.
  • the collar screw 72 is secured by locking means 75 against axial displacement and against automatic rotation.
  • the locking means 75 may be formed as an O-ring or plastic insert. An active rotation of the collar screw 72 causes an axial displacement of the adjusting nut 71 and thus the support plate 30 with their bristle bundles 20th
  • a brush portion 52 of the receiving device 50 at least partially enclosing dirt cover 80 is arranged.
  • the dirt cover is designed as a truncated cone spring made of tape and thus adapts to the respectively set distance between the carrier plate 30 and guide plate 40. It protects, for example, the threaded connection of the adjusting device 60 or 70 against contamination by the resulting machining abrasion or before supplied coolant and / or lubricant.
  • the brushing tool in the embodiment according to FIG. 1 has a channel system 90 for the supply of cooling and / or cooling Lubricant K / S on.
  • an axial channel 91 leads within the receiving device 50, which opens into a central distributor chamber 92 in the guide plate 40.
  • radial channels 93 extend inside the guide disk 40 and extend radially through grooves 42 in a base body 41 of the guide disk 42 and through the cover plate 44 closing laterally from above are formed.
  • the coolant and / or lubricant K / S is driven outwards by the centrifugal force, where it exits the radial passages 93 through the orifices 94 and reaches the bristle bundles 20 guided through the bores 43 of the guide disk 40.
  • the coolant and / or lubricant K / S is available directly at the place where the process-related heat development takes place.
  • the supply of coolant and / or lubricant takes place from the inside, i. the cooling or the lubricant supply takes place at the optimum place. This leads to an improved heat dissipation and thereby to a higher process reliability. Significantly longer service lives of the brushing tool can be achieved. Improved deburring results in the form of a uniform fillet and improved surface finish are achieved. This eventually leads to an improvement in the removal rate and to shorter throughput times of the workpieces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Brushes (AREA)
EP07118771A 2006-10-24 2007-10-18 Outil de brossage Not-in-force EP1916058B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006050722A DE102006050722A1 (de) 2006-10-24 2006-10-24 Bürstwerkzeug

Publications (2)

Publication Number Publication Date
EP1916058A1 true EP1916058A1 (fr) 2008-04-30
EP1916058B1 EP1916058B1 (fr) 2009-12-02

Family

ID=38828488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07118771A Not-in-force EP1916058B1 (fr) 2006-10-24 2007-10-18 Outil de brossage

Country Status (3)

Country Link
EP (1) EP1916058B1 (fr)
AT (1) ATE450344T1 (fr)
DE (2) DE102006050722A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110423A1 (it) * 2011-05-12 2012-11-13 Biesse Spa Spazzola rotante per la rimozione di un rivestimento da una lastra di vetro
CN103465151A (zh) * 2012-06-07 2013-12-25 倪运明 用于高速加工脆性材料的工具及其加工方法
FR3000913A3 (fr) * 2013-01-11 2014-07-18 Renault Sa "outil de surfacage comportant une brosse multi-supports"
CN106457528A (zh) * 2014-05-22 2017-02-22 千贝克科技有限公司 工具支架、研磨工具、研磨工具单元及磨体突出量调整方法
US20190275634A1 (en) * 2018-03-09 2019-09-12 Chad Ashley White Systems and methods for buffering robotic tool attachments

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10524562B2 (en) 2015-10-15 2020-01-07 The Boeing Company Brushes for delivering glutinous substance to workpiece from end-effector
US10441067B2 (en) 2015-10-15 2019-10-15 The Boeing Company Brushes for delivering glutinous substance to workpiece from end-effector
US10099240B2 (en) * 2015-10-15 2018-10-16 The Boeing Company Apparatuses and systems for applying glutinous substances

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001461A1 (fr) * 1984-08-29 1986-03-13 Acrometal Products, Inc. Machine de surfaçage par abrasion
DE3634018A1 (de) 1986-10-06 1988-04-14 Siemens Ag Werkzeugwechselsystem fuer einen industrieroboter
EP0342315A2 (fr) 1988-05-19 1989-11-23 KADIA-Maschinenbau Kopp GmbH & Co. Machine pour l'ébarbage de pièces
US5091861A (en) 1989-03-03 1992-02-25 N.C.T. Ltd. System for automatic finishing of machine parts
DE9210433U1 (de) 1992-08-05 1992-10-08 RSA Entgrat-Technik Rainer Schmidt, 5880 Lüdenscheid Bürstkopf für Entgrat- und Bürstmaschinen
DE20102690U1 (de) 2001-02-15 2001-05-17 Mechanik Center Erlangen GmbH, 91058 Erlangen Entgrateinrichtung
EP1797994A1 (fr) * 2005-12-19 2007-06-20 Mechanik Center Erlangen GmbH Dispositif ébarbeur
EP1797993A1 (fr) * 2005-12-19 2007-06-20 Mechanik Center Erlangen GmbH Machine pour l'ébarbage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4012314A1 (de) * 1990-04-18 1991-10-24 Burkhardt & Weber Gmbh Verfahren und vorrichtung zum reinigen eines werkzeughalters
US5870793A (en) * 1997-05-02 1999-02-16 Integrated Process Equipment Corp. Brush for scrubbing semiconductor wafers

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986001461A1 (fr) * 1984-08-29 1986-03-13 Acrometal Products, Inc. Machine de surfaçage par abrasion
DE3634018A1 (de) 1986-10-06 1988-04-14 Siemens Ag Werkzeugwechselsystem fuer einen industrieroboter
EP0342315A2 (fr) 1988-05-19 1989-11-23 KADIA-Maschinenbau Kopp GmbH & Co. Machine pour l'ébarbage de pièces
US5091861A (en) 1989-03-03 1992-02-25 N.C.T. Ltd. System for automatic finishing of machine parts
DE9210433U1 (de) 1992-08-05 1992-10-08 RSA Entgrat-Technik Rainer Schmidt, 5880 Lüdenscheid Bürstkopf für Entgrat- und Bürstmaschinen
DE20102690U1 (de) 2001-02-15 2001-05-17 Mechanik Center Erlangen GmbH, 91058 Erlangen Entgrateinrichtung
EP1797994A1 (fr) * 2005-12-19 2007-06-20 Mechanik Center Erlangen GmbH Dispositif ébarbeur
EP1797993A1 (fr) * 2005-12-19 2007-06-20 Mechanik Center Erlangen GmbH Machine pour l'ébarbage

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110423A1 (it) * 2011-05-12 2012-11-13 Biesse Spa Spazzola rotante per la rimozione di un rivestimento da una lastra di vetro
EP2522461A1 (fr) * 2011-05-12 2012-11-14 Biesse S.p.A. Brosse rotative pour l'élimination d'un revêtement de plaque de verre
CN103465151A (zh) * 2012-06-07 2013-12-25 倪运明 用于高速加工脆性材料的工具及其加工方法
FR3000913A3 (fr) * 2013-01-11 2014-07-18 Renault Sa "outil de surfacage comportant une brosse multi-supports"
CN106457528A (zh) * 2014-05-22 2017-02-22 千贝克科技有限公司 工具支架、研磨工具、研磨工具单元及磨体突出量调整方法
CN106457528B (zh) * 2014-05-22 2019-07-16 千贝克科技有限公司 工具支架、研磨工具单元及磨体突出量调整方法
US10414024B2 (en) 2014-05-22 2019-09-17 Xebec Technology Co., Ltd. Tool holder, polishing tool, polishing tool unit, and method of adjusting protruding amount of grinding member
US20190275634A1 (en) * 2018-03-09 2019-09-12 Chad Ashley White Systems and methods for buffering robotic tool attachments

Also Published As

Publication number Publication date
DE502007002164D1 (de) 2010-01-14
DE102006050722A1 (de) 2008-04-30
EP1916058B1 (fr) 2009-12-02
ATE450344T1 (de) 2009-12-15

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