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EP0374151B1 - Tete de brosse pour machines d'ebarbage ou de brossage - Google Patents

Tete de brosse pour machines d'ebarbage ou de brossage Download PDF

Info

Publication number
EP0374151B1
EP0374151B1 EP88904491A EP88904491A EP0374151B1 EP 0374151 B1 EP0374151 B1 EP 0374151B1 EP 88904491 A EP88904491 A EP 88904491A EP 88904491 A EP88904491 A EP 88904491A EP 0374151 B1 EP0374151 B1 EP 0374151B1
Authority
EP
European Patent Office
Prior art keywords
brushes
brush head
baseplate
drive shaft
shaft
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.)
Expired - Lifetime
Application number
EP88904491A
Other languages
German (de)
English (en)
Other versions
EP0374151A1 (fr
Inventor
Reinhard Huhmann
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.)
RSA ENTGRAT-TECHNIK RAINER SCHMIDT
Original Assignee
RSA ENTGRAT-TECHNIK RAINER SCHMIDT
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 RSA ENTGRAT-TECHNIK RAINER SCHMIDT filed Critical RSA ENTGRAT-TECHNIK RAINER SCHMIDT
Publication of EP0374151A1 publication Critical patent/EP0374151A1/fr
Application granted granted Critical
Publication of EP0374151B1 publication Critical patent/EP0374151B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A46B13/02—Brushes with driven brush bodies or carriers power-driven carriers
    • 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
    • B24B45/00—Means for securing grinding wheels on rotary arbors
    • 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

Definitions

  • the invention relates to a brush head for deburring and brushing machines, with a base plate connected in a torque-locking manner to a driven shaft, in which a plurality of finger-like brushes are interchangeably held parallel to the axis of rotation, and with a guide plate connected parallel to the base plate and adjustable relative to it in the axial direction, through which the brushes are passed.
  • Such a brush head operated in operation at a high speed of 1,500 rpm, for example, is known from DE-U 78 07 217.
  • the finger-like brushes which consist for example of wire bristles, grinding nylon or other materials, are held on a base plate attached to this shaft, parallel to the axis of a drive shaft of the machine. These brushes protrude through a guide plate.
  • the two plates are adjustable relative to one another in the axial direction of the working shaft.
  • the guide plate prevents the individual bristles or the like from escaping during the rotation of the brush head rotating at high speed.
  • the free bristle length can be changed by moving the base plate, if, for example, a "soft brushing effect" is desired.
  • a brush head for a deburring or brushing machine in which several brush-like brushes rotatably mounted on a base body of a gear housing are each individually driven at high speed.
  • the main body of the gear housing executes a slow rotary movement during this rotation of the brushes driven at high speed.
  • Such a brush head should preferably be used for deburring recessed workpiece contours. Since the brush-like brushes are not supported laterally, the individual bristles spread outward due to the centrifugal forces that occur, so that the bristle tips only partially strike the surface to be deburred.
  • a brush head of this type is therefore unsuitable for deburring larger surfaces and surface edges. The deburring result must inevitably be uneven and inadequate.
  • CH-A-652 065 describes a brush head with at least two brushes, the construction of which, however, is contained in this Document is not disclosed.
  • Each brush can be driven via a planetary gear on the one hand for its own rotation around a working shaft and on the other hand for a planetary movement on a circular path around a drive shaft.
  • Each brush of this known brush head consequently carries out two rotary movements, namely firstly a self-rotation and secondly a planetary revolution.
  • this measure is intended to help ensure a more complete machining of a workpiece, that is to say an enlargement of the area which can be reached with the brushes.
  • the brushes should also be worn more evenly. This obviously cannot prevent the individual bristles from bending out.
  • the invention has for its object to provide a brush head based on the described prior art, in which both a uniform wear of the brush bristles is guaranteed, as well as bending of the bristles are prevented, so that consistently good machining results can be achieved.
  • the brush head according to the invention is thus characterized by a total of three superimposed rotary movements.
  • the additional, third rotary movement of the brushes according to the invention is not a cutting movement. The actual cutting speed is achieved by the rotary movement of the brush head.
  • the brush head is characterized in that a preferably even number of brushes is held in the base plate concentrically evenly distributed on a common pitch circle, with a small distance from one another, which brushes are rotatably connected to one another, with at least one of them Brushing is driven.
  • the drive of a brush can take place indirectly via the drive shaft of the machine, wherein a gearwheel can be placed on the drive shaft in a torque-locking manner, which is in a torque-transmitting connection with a countershaft of the driven brush.
  • the even order of Brushing prevents opposing movements of adjacent brushes, so that the bristles of adjacent brushes cannot interlock with each other.
  • an eccentric housing 3 is rotatably placed on the housing socket 11 surrounding the drive shaft 2.
  • the brush head 4 is supported with a working shaft 43 in this eccentric housing 3.
  • a gear 7 is fixed in rotation, which engages with a first ring gear 71 in a gear 8 on the working shaft 43.
  • the brush head 4 is placed on the outer end of the working shaft 43. It consists of a base plate 41, on which a preferably even number of finger-like brushes 5 is arranged coaxially to the working shaft 43, uniformly distributed concentrically on a common pitch circle, at a short distance from one another. Parallel to the base plate 41, a guide plate 42 is provided on the working shaft 43, through which the brushes 5 are guided and with a adjustable free length protrude outwards.
  • the base plate 41 is slidable in the axial direction of the working shaft 43 on a pin 422 of the guide plate 42.
  • a support plate 10 is slidably arranged, which prevents that during operation due to the centrifugal forces, the bristles 51 of the brushes 5 bulge outwards, which means that there is a risk that they will pull out of the bores 421.
  • Each of the finger-like brushes 5 has a sleeve-shaped end part 52 with which it is detachably attached to a rotationally symmetrical holding part 53 seated in the base plate 41 by being plugged on.
  • These holding parts 53 are in turn rotatably supported in the base plate 41 about the longitudinal axis of the brush 5.
  • they each have a ring gear 531 on the outside, with which they are in a rotational driving connection with one another.
  • a drive pinion acts on at least one of the sprockets 531 of one of the holding parts 53.
  • This drive pinion is slidably placed in the axial direction on the corresponding guide section 62 of a countershaft 6 for driving the entirety of the brushes 5.
  • This countershaft 6 is mounted on the one hand in the guide plate 42 and on the other hand on a bearing plate 44 which is held parallel to the base plate 41 at the end of the pin 422.
  • a bearing shaft section 61 of the countershaft 6 projects through this bearing plate 44.
  • a toothed wheel 63 is placed on this section and is connected via an intermediate wheel 64 to a second ring gear 72 of the toothed wheel 7 on the drive shaft 2, the second ring gear 72 being one different diameter compared to the first ring gear 71.
  • the rotational movement of the brush head 4 about the axis of the working shaft 43 and the drive of the individual brushes 5 about their own axis are achieved in this way via the drive shaft 2.
  • the brush head 4 is at a speed of e.g. 1,500 rpm driven, the individual brushes 5 being driven at a very low speed of a few revolutions per minute.
  • the ratio of the speed of the driven brushes 5 to the speed of the brush head 4 should be a maximum of about 1:50.
  • the base plate of the brush head 4 simultaneously executes a planetary movement while rotating about its own axis, the eccentric housing 3 being driven.
  • gears shown by way of example other transmission means are possible, for example envelope drives.

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)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

Une tête de brosse (4) pour machines d'ébarbage ou de brossage comprend une plaque de montage (41) reliée à l'arbre moteur (2) de la machine de façon à tourner avec celui-ci et supportant plusieurs brosses (5) similaires à des doigts et coaxiales à l'arbre moteur (2). Les brosses (5) traversent une plaque de guidage (42) parallèle à la plaque de montage (41) axialement mobile et montée sur le même arbre de travail (43) que celle-ci, leur longueur libre d'application faisant saillie au-delà de la plaque de guidage (42). Afin d'assurer une usure uniforme des brosses pendant leur fonctionnement, les brosses (5) sont rotativement montées dans la plaque de montage (41) et sont entraînées à une vitesse dont le rapport à la vitesse de rotation de la tête de brosse est de 1:50 environ au maximum.

Claims (5)

1. Tête de brosse (4) pour machines d'ébarbage et de brossage, comportant un arbre d'entraînement (2) pouvant être entraîné par un moteur de la machine (1), un arbre de travail (43), entraîné par celui-ci par l'intermédiaire d'un entraînement planétaire (7, 8), une plaque de base (41), reliée solidaire du point de vue couple à l'arbre de travail (43), dans laquelle plusieurs brosses en forme de doigt (5) sont maintenues de manière amovible sur un cercle concentrique à l'arbre de travail (43) et disposées parallèlement à l'arbre de travail (43), et une plaque de guidage (42), parallèle à la plaque de base (41), reliée à celle-ci et réglable par rapport à celle-ci dans le sens de l'axe, à travers laquelle les brosses (5) sont guidées, la plaque de base (41) pouvant être entraînée par l'entraînement planétaire (7, 8) d'une part en une rotation propre autour de l'arbre de travail (43) et d'autre part, en un mouvement planétaire sur une trajectoire circulaire autour de l'arbre d'entraînement (2), et chaque brosse en forme de doigt (5) étant logée rotative dans la plaque de base (41) et étant entraînée à une vitesse dont le rapport à la vitesse de la plaque de base (41) est d'environ 1 : 50 maxi.
2. Tête de brosse selon la revendication 1, caractérisée en ce que les brosses (5) sont réparties régulièrement en nombre pair sur le cercle concentrique à l'arbre de travail (43) et disposées à faible distance les unes des autres et sont reliées chacune à une roue dentée (53, 531) logée dans la plaque de base (41), les roues dentées (53, 531) des brosses (5) voisines étant de préférence en relation d'entraînement rotatif et au moins une des roues dentées (53, 531) pouvant être entraînée.
3. Tête de brosse selon la revendication 1 ou 2, caractérisée en ce que la rotation des brosses (5) s'effectue indirectement par l'intermédiaire de l'arbre d'entraînement (2).
4. Tête de brosse selon la revendication 3, caractérisée en ce que l'arbre d'entraînement (2) porte une roue dentée (7) qui est en relation de transmission de couple avec un arbre de revoi (6) des brosses (5) entraînées.
5. Tête de brosse selon l'une des revendications 1 à 4, caractérisée par une plaque de soutien (10) disposée entre la plaque de base (41) et la plaque de guidage (42), coulissant axialement, parallèlement à celles-ci, avec des ouvertures traversées par les brosses (5).
EP88904491A 1987-07-17 1988-06-03 Tete de brosse pour machines d'ebarbage ou de brossage Expired - Lifetime EP0374151B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3723602 1987-07-17
DE3723602 1987-07-17

Publications (2)

Publication Number Publication Date
EP0374151A1 EP0374151A1 (fr) 1990-06-27
EP0374151B1 true EP0374151B1 (fr) 1992-04-29

Family

ID=6331738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88904491A Expired - Lifetime EP0374151B1 (fr) 1987-07-17 1988-06-03 Tete de brosse pour machines d'ebarbage ou de brossage

Country Status (6)

Country Link
US (1) US5062177A (fr)
EP (1) EP0374151B1 (fr)
JP (1) JPH0673804B2 (fr)
AU (1) AU1797788A (fr)
DE (2) DE3870625D1 (fr)
WO (1) WO1989000480A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2169997A1 (fr) * 1995-03-17 1996-09-18 Gregory Zang Machine d'abrasion multidirectionnelle
WO1997002769A1 (fr) * 1995-07-13 1997-01-30 Braun Aktiengesellschaft Appareil de massage a commande electrique
US6142854A (en) * 1999-12-23 2000-11-07 Genesis Systemsgroup Ltd Deburring system and method for using same
DE102005061128B3 (de) * 2005-12-19 2007-01-04 Mechanik Center Erlangen Gmbh Entgratvorrichtung
JP4699271B2 (ja) * 2006-04-26 2011-06-08 憲二 實原 ブラシ回転駆動装置
DE102009015834A1 (de) 2009-04-01 2010-10-07 Röder + Piller GmbH Vorrichtung zum spanabhebenden Bearbeiten von Werkstücken sowie Maschineneinheit hierzu
JP5697912B2 (ja) * 2010-07-14 2015-04-08 本田技研工業株式会社 金属リング研削方法及び金属リング研削装置
DE102012024903A1 (de) 2012-12-20 2014-06-26 W.E.T. Automotive Systems Ag Flächengebilde mit elektrischen Funktionselementen
JP6273818B2 (ja) * 2013-12-13 2018-02-07 アイシン精機株式会社 研磨用ブラシ及びそれを用いた工作機械
TWI636715B (zh) * 2017-11-10 2018-09-21 台光電子材料股份有限公司 取粉裝置
JP2022113927A (ja) * 2021-01-26 2022-08-05 セイコーエプソン株式会社 三次元造形装置および三次元造形物の製造方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE145453C (fr) *
US2668968A (en) * 1949-01-05 1954-02-16 Joseph M Dobrowolski Meat block scrubber
US2950494A (en) * 1956-06-04 1960-08-30 Edward J Dickson Floor scrubbing machine
US3163031A (en) * 1961-06-28 1964-12-29 United Shoe Machinery Corp Shoe bottom roughing machines
FR1450774A (fr) * 1965-07-08 1966-06-24 Froment Ets Perfectionnements aux gréseuses ou autres machines analogues pour le polissage des surfaces en béton ou en ciment
US3421168A (en) * 1966-12-09 1969-01-14 San Diego Gas & Electric Co Apparatus for cleaning gas meter surfaces
US3678529A (en) * 1970-07-06 1972-07-25 John A Woods Adjustable brush
DE2325025A1 (de) * 1973-05-17 1974-12-05 Rausch Kg Maschf Rotierende entgratungs- und reinigungsbuerste
US4097950A (en) * 1977-03-07 1978-07-04 Milliken Research Corporation Device for scrubbing surfaces
DE7807217U1 (de) * 1978-03-10 1978-07-20 Rsa Maschinenbau Gmbh, 5990 Altena Verstelleinrichtung für eine Rotationsbürste an Entgrat-, Bürstmaschinen o.dgl
US4150456A (en) * 1978-07-07 1979-04-24 Alvarez David M Floor scrubber and buffer
DD145453A3 (de) * 1978-12-20 1980-12-17 Gerd Budig Einrichtung zum bearbeiten von werkstueckoberflaechen,insbesondere zum entgraten
US4319434A (en) * 1980-05-08 1982-03-16 R/B Manufacturing, Inc. Surface processing machine
JPS607956B2 (ja) * 1981-10-21 1985-02-28 東亜建設工業株式会社 水生植物を利用した水質浄化方法
CH652065A5 (en) * 1983-04-13 1985-10-31 Bula & Fils Mach Finishing machining device using brushing
JPS60201164A (ja) * 1984-03-23 1985-10-11 Aichi Steel Works Ltd 研掃装置
FR2597371B1 (fr) * 1986-04-22 1988-07-01 Simon Jean Machine a peindre sous-marine utilisant une brosse d'application de peinture dont les touffes de poils sont distribuees suivant des couronnes concentriques decalees angulairement entre elles
FR2584011B1 (fr) * 1985-06-28 1989-02-24 Renault Tete de brossage, notamment pour centres d'usinage
US4676339A (en) * 1986-01-23 1987-06-30 Norpac Engineering, Inc. Self-contained-aerial-maintenance platform

Also Published As

Publication number Publication date
AU1797788A (en) 1989-02-13
DE3870625D1 (de) 1992-06-04
EP0374151A1 (fr) 1990-06-27
DE3818828C2 (fr) 1989-04-20
JPH0673804B2 (ja) 1994-09-21
WO1989000480A1 (fr) 1989-01-26
US5062177A (en) 1991-11-05
JPH03505552A (ja) 1991-12-05
DE3818828A1 (de) 1989-01-26

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