EP2861379B1 - Machine for flat deburring by brushing - Google Patents

Machine for flat deburring by brushing Download PDF

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Publication number
EP2861379B1
EP2861379B1 EP13733398.5A EP13733398A EP2861379B1 EP 2861379 B1 EP2861379 B1 EP 2861379B1 EP 13733398 A EP13733398 A EP 13733398A EP 2861379 B1 EP2861379 B1 EP 2861379B1
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EP
European Patent Office
Prior art keywords
brushes
machine
support plate
contact
reference plane
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
EP13733398.5A
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German (de)
French (fr)
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EP2861379A1 (en
Inventor
Yvan Perrot
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.)
Spaleck Industries
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Spaleck Industries
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Publication of EP2861379A1 publication Critical patent/EP2861379A1/en
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Classifications

    • 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
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/04—Headstocks; Working-spindles; Features relating thereto
    • B24B41/047—Grinding heads for working on plane surfaces
    • 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
    • B24B9/002—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for travelling workpieces
    • 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
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades

Definitions

  • the present invention relates to the improvement of a deburring process of flat parts of large dimensions, such as deburring and deburring of oxycut pieces.
  • this device comprises a plurality of diametrically opposite two-by-two brushes, mounted on a rotating support plate and rotated on themselves in successively inverse directions, with respect to a hypothetical reference fixed point, so as to allow the attack of the burrs of a complex piece from all angles and in all directions, during a linear drive thereof, performed by a conveyor belt on which it is placed.
  • the document EP 1 401 010 A1 also shows a flat deburring machine. To know the degree of wear of the brushes, a flat key is pushed against the moving brushes at the same time as the position of the key is measured. This measurement is then taken into account to determine the position of the brushes.
  • the invention relates to a machine of the aforementioned type according to claim 1.
  • means capable of automatically calculating the diameter of the brushes with respect to their wear and, consequently, the height of the brush support plate as a function of the thickness of the parts to be treated.
  • the present invention also relates to the features which will emerge during the following description, which should be considered in isolation or in all their possible technical combinations.
  • the machine 1 generally designated in the figures comprises at least one motor 2 associated with at least one metal brush 3 and mounted on a support plate 4, also rotated by a motor 7 and disposed above a mat transport 5 parts 6, to train them, according to a linear movement "L”, under the rotary support plate 4 and put in contact with the metal brushes 3, themselves rotatable, to obtain a brushing action in multiple directions.
  • the deburring device comprises eight cylindrical metal brushes 3, driven individually by as many corresponding motors 2 rotating in successively opposite right and left directions, each of said brushes 3, and consequently each of said motors 2 , being positioned radially on the rotating support plate 4, equidistant from its center.
  • the workpiece 6 is held on the belt 5 by means of a magnetic plate 8.
  • the machine comprises automatic measuring means for detecting the contact of the peripheral drive surface of the brushes 3 with a reference plane "P" constituted by the conveyor belt 5 or the workpiece 6, so as to reset the height of said brushes 3 relative to the reference plane "P", in according to their degree of wear, prior to a deburring operation.
  • the means for detecting the contact of the brushes 3 on the reference plane "P" are constituted by on-board coding wheels 9, integral with the shafts 2a of the motors 2 of the brushes 3, the latter not being powered. during the reinitialization phase, thus freewheeling, while their support plate 4 is driven simultaneously in rotation and down to the reference plane "P", rendered immobile, until the brushes 3 are brought into contact with this ci, causing their drive in rotation, and consequently that of the coding wheels 9, generating a signal to be transmitted to a programmable machine controller giving a stop order of the descent of the plate 4, this position corresponding to a point "zero" .
  • a height measuring sensor 10 records the "zero" point given by the coding wheels 9 and from which an order of ascent is given to the support tray 4 of brushes 3, according to a value "e” equal to the thickness "E" of the piece 6 to be treated.
  • the machine is thus operational for deburring, taking into account the wear of the brushes 3 so that they are not too high, while not causing excessive wear in being too low.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Description

Domaine techniqueTechnical area

La présente invention a trait à l'amélioration d'un procédé d'ébavurage de pièces planes de grandes dimensions, tel notamment que l'ébavurage et l'ébarbage de pièces oxycoupées.The present invention relates to the improvement of a deburring process of flat parts of large dimensions, such as deburring and deburring of oxycut pieces.

Etat de la techniqueState of the art

Il est connu que les procédés actuels d'ébavurage manuel par meulage sont dangereux et fastidieux, que les dispositifs d'émerisage par bande abrasive sont onéreux et souvent inefficaces et que les procédés de grenaillage sont inopérants pour les fortes bavures.It is known that current manual grinding processes by grinding are dangerous and tedious, that abrasive belt grinding devices are expensive and often ineffective and that grit blasting processes are ineffective for severe smearing.

Pour remédier à ces inconvénients, le demandeur a déjà proposé, par le brevet français N° 2792565 , un procédé d'ébavurage par brossage comportant un dispositif particulier de montage de brosses métalliques sur un plateau-support rotatif garantissant l'attaque des bavures des pièces sous tous les angles, quelle que soit la complexité géométrique de la pièce à traiter, et avec une puissance transmise aux brosses suffisante.To remedy these drawbacks, the applicant has already proposed, by the French patent No. 2792565 , a method of deburring by brushing comprising a particular device for mounting metal brushes on a rotary support plate ensuring the attack of the burrs of the parts from all angles, whatever the geometric complexity of the workpiece, and with a power transmitted to the brushes sufficient.

Plus précisément, ce dispositif comprend une pluralité de brosses diamétralement opposées deux à deux, montées sur un plateau-support rotatif et entraînées en rotation sur elles-mêmes selon des sens successivement inverses, par rapport à un point fixe fictif de référence, de manière à permettre l'attaque des bavures d'une pièce complexe sous tous les angles et dans toutes les directions, lors d'un entraînement linéaire de celle-ci, s'effectuant par un tapis de transport sur lequel elle est posée.More specifically, this device comprises a plurality of diametrically opposite two-by-two brushes, mounted on a rotating support plate and rotated on themselves in successively inverse directions, with respect to a hypothetical reference fixed point, so as to allow the attack of the burrs of a complex piece from all angles and in all directions, during a linear drive thereof, performed by a conveyor belt on which it is placed.

Le document EP 1 401 010 A1 montre également une machine d'ébavurage à plat de pièces. Pour connaître le degré d'usure des brosses, une touche plate est poussée contre les brosses en mouvement en même temps que la position de la touche est mesurée. Cette mesure est ensuite prise en compte pour déterminer la position des brosses.The document EP 1 401 010 A1 also shows a flat deburring machine. To know the degree of wear of the brushes, a flat key is pushed against the moving brushes at the same time as the position of the key is measured. This measurement is then taken into account to determine the position of the brushes.

Une telle machine donne entièrement satisfaction, mais un constat a été établi au niveau des brosses métalliques. En effet, celles-ci doivent être réglées de manière précise en hauteur pour éviter une usure excessive des brosses ou une altération des pièces traitées tout en tenant compte de l'usure desdites brosses. Les moyens de mesure par coupure d'un rayon photo-électrique ou laser sont peu fiables en raison de l'irrégularité des surfaces des brosses et de l'encrassement rapide des moyens de mesure.Such a machine is entirely satisfactory, but a finding has been established at the level of metal brushes. Indeed, they must be adjusted accurately in height to avoid excessive wear of the brushes or an alteration of the treated parts while taking into account the wear of said brushes. The measurement means by cutting a photoelectric ray or laser are unreliable due to the irregularity of the surfaces of the brushes and the rapid fouling of the measuring means.

De plus, il est fastidieux d'effectuer des mesures manuelles du diamètre des brosses et de les rapporter à un moyen de calcul de la hauteur d'un plateau-support de brosses.In addition, it is tedious to make manual measurements of the diameter of the brushes and relate them to a means for calculating the height of a brush support tray.

Il est également délicat de procéder une mesure précise sur un ensemble de brossage comportant plusieurs brosses.It is also difficult to carry out an accurate measurement on a brushing assembly comprising several brushes.

C'est à ces inconvénients qu'entend plus spécialement remédier la présente invention.It is to these drawbacks that the present invention is more particularly intended to remedy.

Description de l'inventionDescription of the invention

A cet effet, l'invention concernent une machine du type précité selon la revendication 1.For this purpose, the invention relates to a machine of the aforementioned type according to claim 1.

Sont ainsi réalisés des moyens aptes à assurer automatiquement le calcul du diamètre des brosses relativement à leur usure et, par conséquence, la hauteur du plateau-support de brosses en fonction de l'épaisseur des pièces à traiter.Thus, means are provided capable of automatically calculating the diameter of the brushes with respect to their wear and, consequently, the height of the brush support plate as a function of the thickness of the parts to be treated.

La présente invention concerne également les caractéristiques qui ressortiront au cours de la description qui va suivre, et qui devront être considérées isolément ou selon toutes leurs combinaisons techniques possibles.The present invention also relates to the features which will emerge during the following description, which should be considered in isolation or in all their possible technical combinations.

Cette description donnée à titre d'exemple non limitatif, fera mieux comprendre comment l'invention peut être réalisée en référence aux dessins annexés sur lesquels :This description given by way of nonlimiting example, will better understand how the invention can be made with reference to the accompanying drawings in which:

Brève description des figuresBrief description of the figures

  • La figure 1 représente une vue schématique de l'ensemble de la machine montrant, à l'arrêt, le plateau-support d'entrainement rotatif avec ses brosses et le tapis de transport des pièces à traiter, ainsi que les moyens de détection pour la mesure de la hauteur des brosses selon l'invention.The figure 1 represents a schematic view of the entire machine showing, at standstill, the rotary drive support tray with its brushes and the conveyor belt of the workpieces to be processed, as well as the detection means for the measurement of the height of the brushes according to the invention.
  • La figure 2 représente une vue de dessus de la machine selon la figure 1.The figure 2 represents a top view of the machine according to the figure 1 .
  • La figure 3 représente une vue d'un ensemble auto-moteur et brosse associée, comportant les moyens de détection.The figure 3 represents a view of a self-motor assembly and associated brush, comprising the detection means.
  • Les figures 4 et 5 représentent des vues comparatives d'une machine selon la figure 1, représentant le plateau-support rotatif de brosses, respectivement en position haute de repos et en position basse correspondant à la mise en oeuvre des moyens de détection de la mise en contact des brosses sur le plan de référence, en l'occurrence le tapis de transport.The Figures 4 and 5 represent comparative views of a machine according to the figure 1 , representing the rotating support-plate of brushes, respectively in the high position of rest and in the low position corresponding to the implementation of the detection means of the setting contact of the brushes on the reference plane, in this case the conveyor belt.
Description détailléedetailed description

La machine 1 globalement désignée sur les figures comprend au moins un auto-moteur 2 associé à au moins une brosse métallique 3 et monté sur un plateau-support 4, également entrainé en rotation par un moteur 7 et disposé au-dessus d'un tapis de transport 5 des pièces à traiter 6, pour les entrainer, selon un mouvement linéaire « L », sous le plateau-support rotatif 4 et les mettre en contact avec les brosses métalliques 3, elles-mêmes rotatives, pour l'obtention d'une action de brossage selon de multiples directions.The machine 1 generally designated in the figures comprises at least one motor 2 associated with at least one metal brush 3 and mounted on a support plate 4, also rotated by a motor 7 and disposed above a mat transport 5 parts 6, to train them, according to a linear movement "L", under the rotary support plate 4 and put in contact with the metal brushes 3, themselves rotatable, to obtain a brushing action in multiple directions.

Plus précisément, selon cet exemple de réalisation, le dispositif d'ébavurage comprend huit brosses métalliques cylindriques 3, entraînées individuellement par autant de moteurs correspondants 2 tournants dans des sens successivement inverses droit et gauche, chacune desdites brosses 3, et conséquemment chacun desdits moteurs 2, étant positionnés radialement sur le plateau-support rotatif 4, à équidistance de son centre.More precisely, according to this exemplary embodiment, the deburring device comprises eight cylindrical metal brushes 3, driven individually by as many corresponding motors 2 rotating in successively opposite right and left directions, each of said brushes 3, and consequently each of said motors 2 , being positioned radially on the rotating support plate 4, equidistant from its center.

La pièce à traiter 6 est maintenue sur le tapis 5 par l'intermédiaire d'un plateau magnétique 8.The workpiece 6 is held on the belt 5 by means of a magnetic plate 8.

La machine comporte des moyens de mesure automatique pour la détection du contact de la surface d'attaque périphérique des brosses 3 avec un plan de référence « P » constitué par le tapis de transport 5 ou la pièce à traiter 6, de manière à réinitialiser la hauteur desdites brosses 3 par rapport au plan de référence « P », en fonction de leur degré d'usure, préalablement à une opération d'ébavurage.The machine comprises automatic measuring means for detecting the contact of the peripheral drive surface of the brushes 3 with a reference plane "P" constituted by the conveyor belt 5 or the workpiece 6, so as to reset the height of said brushes 3 relative to the reference plane "P", in according to their degree of wear, prior to a deburring operation.

Selon l'invention, les moyens de détection du contact des brosses 3 sur le plan de référence « P » sont constitués par des roues codeuses embarquées 9, solidaires des arbres 2a des moteurs 2 des brosses 3, ceux-ci n'étant pas alimentés pendant la phase de réinitialisation, donc en roue libre, alors que leur plateau-support 4 est entrainé simultanément en rotation et en descente vers le plan de référence « P », rendu immobile, jusqu'à mise en contact des brosses 3 avec celui-ci, provoquant leur entrainement en rotation, et conséquemment celui des roues codeuses 9, engendrant un signal à transmettre à un automate programmable de la machine donnant un ordre d'arrêt de la descente du plateau 4, cette position correspondant à un point « zéro ».According to the invention, the means for detecting the contact of the brushes 3 on the reference plane "P" are constituted by on-board coding wheels 9, integral with the shafts 2a of the motors 2 of the brushes 3, the latter not being powered. during the reinitialization phase, thus freewheeling, while their support plate 4 is driven simultaneously in rotation and down to the reference plane "P", rendered immobile, until the brushes 3 are brought into contact with this ci, causing their drive in rotation, and consequently that of the coding wheels 9, generating a signal to be transmitted to a programmable machine controller giving a stop order of the descent of the plate 4, this position corresponding to a point "zero" .

Un capteur 10 de mesure de la hauteur enregistre le point « zéro » donné par les roues codeuses 9 et à partir duquel un ordre de remontée est donné au plateau-support 4 de brosses 3, selon une valeur « e » égale à l'épaisseur « e' » de la pièce 6 à traiter.A height measuring sensor 10 records the "zero" point given by the coding wheels 9 and from which an order of ascent is given to the support tray 4 of brushes 3, according to a value "e" equal to the thickness "E" of the piece 6 to be treated.

La machine est ainsi opérationnelle pour effectuer un ébavurage, tenant compte de l'usure des brosses 3 pour qu'elles ne soient pas trop hautes, tout en ne provoquant pas leur usure excessive en étant trop basses.The machine is thus operational for deburring, taking into account the wear of the brushes 3 so that they are not too high, while not causing excessive wear in being too low.

Claims (2)

  1. A flat deburring machine (1) for parts, comprising at least one self-contained motor (2) associated with at least one metal brush (3) and mounted on a support plate (4), also driven in rotation by a motor (7) and positioned above a transport belt (5) for the parts to be treated (6), to drive them, in a linear movement (L), below the rotary support plate (4) and put them in contact with the metal brushes (3), which are themselves rotating, to obtain a brushing action in multiple directions, including automatic measuring means for detecting contact of the peripheral leading surface of the brushes (3) with a reference plane (P) consisting of the transport belt (5) or the part to be treated (6), so as to re-initialize the height of said brushes (3) with respect to the reference plane (P), depending on their degree of wear, prior to a deburring operation, characterized in that said detection means for brush (3) contact consist of embedded coding wheels (9) integral with the shafts (2a) of the motors (2) of the brushes (3), these not being supplied with power during the re-initialization phase, free wheel in other words, while their support plate (4) is driven simultaneously in rotation and in descent toward the reference plane (P), immobilized until the brushes (3) contact it, causing them, and consequently the coding wheels (9), to be driven in rotation, generating a signal to be transmitted to a programmable controller of the machine giving a stop command for the descent of the plate (4), this position corresponding to a "zero" point.
  2. The machine according to claim 1, characterized in that, during the operation of the machine, a height-measuring sensor (10) records the "zero" point given by the coding wheels (9) and from which a lifting command is issued to the support plate (4) of the brushes (3), using a value (e) equal to the thickness (e') of the part (6) to be treated.
EP13733398.5A 2012-06-13 2013-06-13 Machine for flat deburring by brushing Active EP2861379B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1255514A FR2991894B1 (en) 2012-06-13 2012-06-13 FLAT DEBURRING MACHINE BY BRUSHING
PCT/FR2013/051382 WO2013186494A1 (en) 2012-06-13 2013-06-13 Machine for flat deburring by brushing

Publications (2)

Publication Number Publication Date
EP2861379A1 EP2861379A1 (en) 2015-04-22
EP2861379B1 true EP2861379B1 (en) 2016-11-16

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EP13733398.5A Active EP2861379B1 (en) 2012-06-13 2013-06-13 Machine for flat deburring by brushing

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EP (1) EP2861379B1 (en)
FR (1) FR2991894B1 (en)
WO (1) WO2013186494A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104551907A (en) * 2014-02-25 2015-04-29 松泰精技(深圳)有限公司 Conveying belt product adsorption structure of automatic deburring machine
CN104175202A (en) * 2014-08-06 2014-12-03 苏州奥林五金有限公司 Polisher
JP6926828B2 (en) * 2017-08-28 2021-08-25 村田機械株式会社 Deburring device
CN108972217B (en) * 2018-08-22 2020-09-29 浙江铭泰汽车零部件有限公司 Device for automatically removing burrs of brake pad
CN110524348A (en) * 2019-07-23 2019-12-03 徐州铜柱机械铸造有限公司 A kind of automatically grinding polissoir of machine casting damping, buffering pressure control
CN111300232A (en) * 2020-03-17 2020-06-19 宋乐庆 Multi-purpose formula part grinding device of a tractor
CN113058900B (en) * 2021-03-17 2022-03-25 上犹耀兴复合材料有限公司 Industrial glass fiber plate surface deburring equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6553880B2 (en) * 1996-09-16 2003-04-29 Sarcos, Lc Micromachining system
FR2792565B1 (en) * 1999-04-20 2001-07-06 Yvan Perrot FLAT DEBURRING DEVICE BY BRUSHING
EP1401010A1 (en) * 2002-09-12 2004-03-24 Niederberger Schleif- und Polierautomaten AG Device and method for measuring and compensating for the wear of brushes in brushing machines

Also Published As

Publication number Publication date
WO2013186494A1 (en) 2013-12-19
EP2861379A1 (en) 2015-04-22
FR2991894A1 (en) 2013-12-20
FR2991894B1 (en) 2015-01-23

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