EP3842198B1 - Système de déplacement permettant de déplacer un rouleau pour l'usinage ou le nettoyage d'une pièce - Google Patents

Système de déplacement permettant de déplacer un rouleau pour l'usinage ou le nettoyage d'une pièce Download PDF

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Publication number
EP3842198B1
EP3842198B1 EP20214396.2A EP20214396A EP3842198B1 EP 3842198 B1 EP3842198 B1 EP 3842198B1 EP 20214396 A EP20214396 A EP 20214396A EP 3842198 B1 EP3842198 B1 EP 3842198B1
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EP
European Patent Office
Prior art keywords
arm
axis
moving system
slider
bar
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EP20214396.2A
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German (de)
English (en)
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EP3842198A1 (fr
Inventor
Marco Venturini
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SCM Group SpA
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SCM Group SpA
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members

Definitions

  • the present invention relates to a moving system for moving a roller for working or cleaning a piece according to the preamble of claim 1.
  • a moving system is known from DE 299 03 689 U1 .
  • the invention relates to the structure of a system which allows a roller to be raised or lowered with respect to a piece, such as a panel.
  • the roller in general, it is a roller used in a machine tool for machining a piece and is configured to be removably coupled with a brush.
  • said moving system is equipped with specific guides to allow the roller to be mobile along a vertical axis, perpendicular to the advancement direction of the workpiece.
  • the roller is raised and lowered by means of said guides.
  • said moving system has a rod having a first end, and a second end, to each one of which, one end of a roller is connected by means of a respective connecting element.
  • the rotations of said rod are on planes parallel to the advancement direction of the piece, and therefore parallel to the work plane on which said piece moves.
  • Said disadvantages may concern the complexity of the structure of said moving systems and therefore the cost for their production, or the difficulty of replacing the brush mounted on the roller or the roller itself, or a not easy maintenance of the moving system, or a limited adjustment of the roller position.
  • the object of the present invention is to overcome said disadvantages by providing a simple and low-cost moving system for moving a roller for working or cleaning a workpiece, such as for example a panel.
  • a second object is to provide a moving system whose structure allows to reduce the time required to replace the brush mounted on the roller with another brush, or even to replace the roller itself, if necessary.
  • a third object of the present invention is to provide a moving system capable of moving the roller with high precision with respect to the piece to be subjected to the action of the brush mounted on said roller.
  • a further object is to provide a moving system whose structure allows easy maintenance, thus reducing costs.
  • said moving system may comprise two first arms connected to each other by means of a first connecting element, and two second arms, each of which is connected to a respective first arm by means of a respective second connecting element.
  • said actuator may be a linear actuator, and said actuator may be connected to said first connecting element.
  • said actuator may be a rototranslating actuator, and said actuator may be connected to said at least one second arm.
  • Each first arm may be L-shaped and comprise a respective first portion and a respective second portion, having a length shorter than the length of said first portion, in cross section the first portion and the second portion of each first arm having a respective first contact point and said first axis passing through said first contact points.
  • each first arm may have an end connected to a respective end of said first connecting element.
  • Said beam may be provided with a first recess for each first arm, inside which a respective first shoe is arranged, each first shoe being connected to an end portion of a respective first arm and being sliding in said first recess, and a second recess for each second arm, inside which a respective second shoe is arranged, each second shoe being connected to an end portion of a respective second arm and sliding in said second recess.
  • said system may comprise a further supporting element for supporting said beam, couplable to said beam and to said supporting element, wherein said further supporting element is arranged between said supporting element and said beam.
  • said at least one second arm may comprise at least one first portion and one second portion.
  • each second arm has a respective second contact point and said second axis passing through said second contact points.
  • Said at least one second arm may comprise a third portion, so that said at least one second arm is T-shaped.
  • said moving system may comprise an adjustment device for adjusting the height position of said moving system itself.
  • Said adjustment device may comprise:
  • said at least one second arm may have a slot formed in a further side of said third portion, perpendicular to said side on which said through hole is arranged, and said slider may be sliding in said slot between a first position, wherein said slider is arranged at a first end of said slot, to a second position, wherein said slider is arranged at a second end of said slot, opposite to said first end.
  • said actuator when said actuator is a rototranslating actuator, said actuator may comprise:
  • the protruding portion of said bar may be threaded and said slider may have a hole whose internal surface is threaded to allow said protruding portion to slide with respect to the slider, inside the slider itself.
  • said adjustment means may comprise a knob.
  • a brush can be mounted on this roller intended to contact a piece, such as a panel, or to create a specific finishing on said piece (which, for example, can consist of creating reliefs on the piece, or polishing the piece, or the sanding of the piece) or to clean said piece of any residues, after processing the piece itself.
  • said moving system is configured to raise and lower a roller with respect to a piece that needs to be finished or cleaned.
  • both the roller indicated with R and the brush indicated with S, mounted on said roller R are shown for a better understanding of the technical solution.
  • roller R and the brush S, mounted on the roller R are not part of the moving system object of the invention.
  • Said moving system comprises:
  • said first arm 3 and said second arm 4 are connected to each other, and said actuator 1 can be connected to said first arm 3 or to said second arm 4, and configured to move said first arm 3 or said second 3.
  • said actuator 1 is a linear actuator and is connected to said first arm 3.
  • said linear actuator is a pneumatic type actuator.
  • the moving system is configured in such a way that the movement of the actuator 1 causes the rotation of said at least one first arm 3 around the first axis A, respectively in a first direction or a second direction, on a first plane, perpendicular to said first axis A (which, in the embodiment described, is also perpendicular to said reference axis X), and that the rotation of said at least one first arm 3 causes the rotation of said at least one second arm 4 around the second axis B, respectively in a first direction or in a second direction on a second plane, perpendicular to said second axis B.
  • Each one of said axes i.e., said first axis A and said second axis B, is parallel to a third axis Y, which identifies the advancement direction of a piece P on a work plane (not shown).
  • said third axis Y is the axis along which a piece P moves forward.
  • first arm 3 and the second arm 4 rotate on planes that are perpendicular to the advancement direction of the piece P, which must be subjected to the action of the brush S mounted on the roller R, and therefore perpendicular to the work plane on which said piece P moves.
  • the rotation of the first arm 3 and of the second arm 4 in said first direction and in said second direction causes the raising and the lowering of said beam 2 (connected to the roller R by means of the support element 21 for the roller, which can be coupled to the beam 2 by means of a further support element for the beam, as mentioned in the following), according to an oscillating circular motion, so that the roller R is also raised and lowered according to the same motion.
  • the moving system comprises two first arms 3 and two second arms 4, each one of which is connected to a respective first arm 3.
  • each second arm 4 is connected to a respective first arm 3 by means of a respective second connecting element 34.
  • said first connecting element 33 is a first rod
  • each second connecting element 34 is a respective second rod
  • the actuator 1 comprises a body 10, a first end portion 11, and a second end portion 12.
  • the first end portion 11 has an opening 11A shaped to allow the passage of the first connecting element 33, which connects the two first arms 3.
  • the actuator 1 is connected to said two first arms 3 by means of said first connecting element 33, so that when the actuator 1 moves in a first direction or in a second direction along said reference axis X, it pushes or pulls said first connecting element 33, causing the rotation of said first arms 3 respectively in a first direction, or in a second direction.
  • the second end portion 12 is connected to a motor unit 100.
  • Said motor unit 100 is connected to a driving pulley P1, which is in turn is connected to a driven pulley P2 by means of a transmission belt T.
  • the distance between said driving pulley P1 and said driven pulley P2 can be reduced or increased by means of spacer means MD (in the embodiment described, said spacer means comprise a knob), so as to increase or reduce the tensioning degree of said transmission belt TC.
  • the moving system object of the invention is substantially a four-bar linkage, wherein the movement of the actuator 1 causes the rotation of said first arms 3, which in turn cause the rotation of said second arms 4.
  • each first arm 3 is L-shaped.
  • each first arm 3 has a first portion 31 and a second portion 32, having a length less than the length of said first portion 31.
  • first portion 31 and the second portion 32 of each first arm 3 have a respective first point of contact.
  • each first arm 3 has one end connected to a respective end of said first connecting element 33.
  • the second portion 32 of each first arm 3 has one end connected to said beam 2.
  • each first arm 3 is connected to a respective first shoe 5 sliding inside a respective first recess 6 formed in said beam 2.
  • the first axis A (around which each first arm 3 rotates) passes through said two first contact points.
  • said moving system comprises a further support element 22 to support said beam 2, which can be coupled to said beam 2 and to said support element 21 for the roller R.
  • said further support element 22 is equipped with a relief 221 having a through-hole 221A for the passage of a rod (not shown) connected to a further actuator (not shown), which is a linear attenuator.
  • each second arm 4 comprises at least one first portion 41 and one second portion 42.
  • first portion 41 and the second portion 42 of each second arm 4 have a respective second point of contact.
  • each second arm 4 has one end connected to a respective end of a second connecting element 34, which, as mentioned, connects each second arm 4 to a respective first arm 3.
  • each second arm 4 has one end connected to a respective second shoe 5', sliding inside a respective second recess 6' formed in said beam 2.
  • the second axis B (around which each second arm 4 rotates) passes through said two second contact points.
  • At least one of the two second arms 4 comprises a third portion 43, so that said at least one second arm 4 is T-shaped, and that the moving system comprises an adjustment device for height adjusting the position of the moving system itself.
  • the moving system can be positioned at a predetermined height with respect to the piece P, chosen by an operator.
  • Said adjustment device comprises:
  • the protruding portion 8B of the bar 8 is threaded and said slider 7 has a hole 7A, whose internal surface is threaded to allow the protruding portion 8B of the bar 8 to slide with respect to the slider 7 and inside the slider itself.
  • said adjustment means 9 comprise a knob.
  • said second arm 4 has a slot 432 formed in a further side of said third portion 43 (in which said further side is perpendicular to the side on which the through-hole 431 is placed), and said slider 7 slides in said slot 432 from a first position, in which said slider 7 is arranged at a first end 432A of said slot 432, to a second position, in which said slider 7 is arranged at a second end 432B of said slot 432, opposite to said first end 432A.
  • a command signal is received by a logic control unit (not shown) of the moving system, wherein said logic control unit is configured to send a signal to said actuator 1, so that its movement causes the rotation of said first arms 3 and said second arms 4 in a counterclockwise direction, and the slider 7 slides inside the slot 432 passing from said second position to said first position.
  • the slider 7 also has the function of end stroke for the rotation of said at least one second arm 4, and consequently of the first arms 3.
  • Figure 6 shows the moving system when the first arms 3 (one of which is visible) and the second arms 4 (one of which is visible) are rotated around their respective axes A, B in a first direction, i.e., an anticlockwise direction.
  • each first arm 3 and each second arm 4 following the rotation of each first arm 3 and each second arm 4, the second portion 32 of each first arm 3, which is on a respective recess 6 of the beam 2, and the second portion 42 of each second arm 4, which is on a respective second recess 6', causes the lifting of the beam 2, and consequently of the roller R.
  • Figure 7 shows the position of the third portion 43 of one of the two second arms 4 after rotation.
  • the actuator can be an actuator other than a linear actuator and need not be connected to the first arm.
  • the actuator 1 can be connected to said second arm 4, and its movement would cause the rotation of said second arm 4 around said second axis B, respectively in a first direction or in a second direction on said second plane (perpendicular to said second axis B), and the rotation of said second arm 4 would cause the rotation of said first arm 3 around said first axis A respectively, in a first direction or in a second direction on said first plane (perpendicular to said first axis A).
  • the actuator of the moving system can comprise or consist of said slider 7 and said bar 8, engaged with said slider 7 and said adjustment means 9.
  • the actuator is a rototranslating actuator, and the moving system has no linear actuator, and the third portion 43 of said second arm 4 has no slot 432.
  • the bar 8 comprises the body 8A, having a first end and a second end, as well as a protruding portion 8B, which extends from the first end outwards and is arranged at least partially within the through-hole 431 arranged on one side of said third portion 43.
  • the protruding portion 8B is threaded, and the slider 7 has the hole 7A, whose internal surface is threaded to allow the projecting portion 8B to slide with respect to the slider 7, within the slider itself.
  • said adjustment means 9 are connected to the second end of the bar 8, to adjust the position of said bar 8 with respect to the slider 7, so that the bar 8 is movable with respect to the slider 7 along said fourth axis C, which in said further embodiment becomes the reference axis for the actuator movement.
  • Said fourth axis C is the axis about which the bar 8 rotates.
  • the longitudinal axis D of the beam 2 is also parallel to said fourth axis C.
  • the rotoranslating movement of said bar 8 along said reference axis C allows the rotation of said at least one second arm 4 in a first direction or in a second direction, opposite to said first direction, depending on the rotation direction of said bar 8, causing the rotation of said at least one first arm 3.
  • said adjustment means 9 comprise a knob.
  • An operator acting manually on the knob decides the direction of rotation of the bar 8, and consequently the direction of rotation of said at least one second arm 4.
  • the moving system is a manual moving system.
  • the moving system object of the invention has a simple structure, which allows easy replacement of the brush mounted on the roller or possibly of the roller itself, as well as easy maintenance of the structure.
  • a second advantage is given by the possibility of height adjusting the moving system.

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Claims (13)

  1. Système de déplacement pour déplacer un rouleau (R) pour travailler ou nettoyer une pièce, ledit système de déplacement comprenant:
    - un actionneur (1; 7, 8, 9) mobile le long d'un axe de référence (X, C),
    - une poutre (2) pouvant être couplée à un élément de support (21) pour supporter ledit rouleau (R), où ladite poutre a un axe longitudinal (D), parallèle audit axe de référence (X, C), caractérisé en ce que le système de déplacement comprend en outre:
    - au moins un premier bras (3) relié de manière rotative à ladite poutre (2) de manière à tourner autour d'un premier axe (A), perpendiculaire audit axe longitudinal (D) de ladite poutre (2),
    - au moins un deuxième bras (4) relié de manière rotative à ladite poutre (2) de manière à tourner autour d'un deuxième axe (B), parallèle audit premier axe (A), où ledit deuxième bras (4) et ledit premier bras (3) sont connectés l'un à l'autre, et ledit actionneur (1; 7, 8, 9) est relié audit premier bras (3) ou audit deuxième bras (4) et configuré pour déplacer ledit premier bras ou ledit deuxième bras, de sorte que le mouvement dudit actionneur (1; 7, 8, 9) provoque la rotation dudit premier bras (3) autour dudit premier axe (A) respectivement dans une première direction ou dans une deuxième direction sur un premier plan perpendiculaire audit premier axe (A), et la rotation dudit premier bras (3) provoque la rotation dudit deuxième bras (4) autour dudit deuxième axe (B) respectivement dans une première direction ou dans une deuxième direction sur un deuxième plan perpendiculaire audit deuxième axe (B), ou la rotation dudit deuxième bras (4) autour dudit deuxième axe (B) respectivement dans une première direction ou dans une deuxième direction sur un deuxième plan perpendiculaire audit deuxième axe (B), et la rotation dudit deuxième bras (4) entraîne la rotation dudit premier bras (3) autour dudit premier axe (A) respectivement dans une première direction ou dans une deuxième direction sur un premier plan, perpendiculaire audit premier axe (A), où les rotations dudit premier bras (3) et dudit deuxième bras (4) dans ladite première direction et dans ladite deuxième direction provoquent respectivement le soulèvement et l'abaissement de ladite poutre selon un mouvement oscillatoire circulaire, de sorte que le rouleau (R) est respectivement soulevé et abaissé selon le même mouvement.
  2. Système de déplacement selon la revendication 1, caractérisé en ce que ledit système de déplacement comprend: deux premiers bras (3) reliés l'un à l'autre au moyen d'un premier élément de liaison (33), deux deuxièmes bras (4), chacun d'entre eux étant relié à un premier bras respectif (3) au moyen d'un deuxième élément de liaison (34).
  3. Système de déplacement selon la revendication 2, caractérisé en ce que ledit actionneur (1) est un actionneur linéaire, en ce que ledit actionneur (1) est relié audit premier élément de liaison (33).
  4. Système de déplacement selon la revendication 2, caractérisé en ce que ledit actionneur (7, 8, 9) est un actionneur de roto-translation, en ce que ledit actionneur (7, 8, 9) est relié audit au moins un deuxième bras (4).
  5. Système de déplacement selon l'une quelconque des revendications caractérisé en ce que chaque premier bras (3) est en forme de L et comprend une première partie respective (31) et une deuxième partie respective (32), ayant une longueur inférieure à la longueur de ladite première partie (31), en coupe transversale, la première partie (31) et la deuxième partie (32) de chaque premier bras (3) ayant un premier point de contact respectif et ledit premier axe (A) passant par lesdits premiers points de contact, caractérisé en ce que les premières parties (31) de chaque premier bras (3) ont une extrémité connectée à une extrémité respective dudit premier élément de liaison (33).
  6. Système de déplacement selon l'une quelconque des revendications 2-5, caractérisé en ce que ladite poutre (2) est pourvue:
    d'un premier évidement (6) pour chaque premier bras (3), à l'intérieur duquel un premier patin (5) respectif est disposé, chaque premier patin (5) étant relié à une partie d'extrémité patin (3) respectif est disposé, et étant coulissant dans ledit premier évidement (6), et un deuxième évidement (6') pour chaque deuxième bras (4), à l'intérieur duquel un deuxième patin respectif (5') est disposé, chaque deuxième patin (5') étant relié à une partie d'extrémité d'un deuxième bras respectif (4) et coulissant dans ledit deuxième évidement (6').
  7. Système de déplacement selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit système de déplacement comprend un autre élément de support (22) pour supporter ladite poutre (2), pouvant être couplé à ladite poutre (2) et audit élément de support (21), dans lequel ledit autre élément de support (22) est disposé entre ledit élément de support (21) et ladite poutre (2).
  8. Système de déplacement selon l'une quelconque des revendications 2-7, caractérisé en ce que ledit au moins un deuxième bras (4) comprend au moins une première partie (41) et une deuxième partie (42), en coupe transversale la première partie (41) et la deuxième partie (42) de chaque deuxième bras (4) ayant un deuxième point de contact respectif et ledit deuxième axe (B) passant par lesdits deuxièmes points de contact, en ce que ledit au moins un deuxième bras (4) comprend une troisième partie (43), de sorte que ledit au moins un deuxième bras (4) est en forme de T.
  9. Système de déplacement selon la revendication 8, lorsqu'il dépend de la revendication 3, caractérisé en ce que ledit système de déplacement comprend un dispositif de réglage pour régler la position en hauteur dudit système de déplacement, ledit dispositif de réglage comprenant:
    - un coulisseau (7),
    - une barre (8) engagée avec ledit coulisseau (7), dans laquelle ladite barre (8) comprend un corps (8A) ayant une première extrémité et une deuxième extrémité, ainsi qu'une partie saillante (8B), dans laquelle ladite partie saillante (8B) s'étend de ladite première extrémité vers l'extérieur et est agencée au moins partiellement à l'intérieur d'un trou traversant (431) agencé sur un côté de ladite troisième partie (43),
    - des moyens de réglage (9), reliés à la deuxième extrémité de ladite barre (8), pour régler la position de ladite barre (8) par rapport audit coulisseau (7) de sorte que ladite barre (8) est mobile par rapport audit coulisseau (7) le long d'un quatrième axe (C), parallèle audit axe de référence (X) entre une première position, dans laquelle le coulisseau (7) est à une première distance du corps (8A) de ladite barre (8), sensiblement en contact avec la première extrémité dudit corps (8A), et une deuxième position, dans laquelle le coulisseau (7) est à une deuxième distance du corps (8A) de ladite barre (8), supérieure à ladite première distance.
  10. Système de déplacement selon la revendication 9, caractérisé en ce que ledit au moins un deuxième bras (4) a une fente (432) formée dans un autre côté de ladite troisième partie (43), perpendiculaire audit côté sur lequel ledit trou traversant (431) est disposé, et en ce que ledit coulisseau (7) coulisse dans ladite fente (432) entre une première position, dans laquelle ledit coulisseau (7) est disposé à une première extrémité (432A) de ladite fente (432), à une deuxième position, dans laquelle ledit coulisseau (7) est disposé à une deuxième extrémité (432B) de ladite fente (432), opposée à ladite première extrémité (432A) .
  11. Système de déplacement selon la revendication 8, lorsqu'il dépend de la revendication 4, caractérisé en ce que ledit actionneur (7, 8, 9) comprend:
    - un coulisseau (7),
    - une barre (8) engagée avec ledit coulisseau (7), dans laquelle ladite barre (8) comprend un corps (8A) ayant une première extrémité et une deuxième extrémité, ainsi qu'une partie saillante (8B), dans laquelle ladite partie saillante (8B) s'étend de ladite première extrémité vers l'extérieur et est agencée au moins partiellement à l'intérieur d'un trou traversant (431) agencé sur un côté de ladite troisième partie (43),
    - des moyens de réglage (9), reliés à la deuxième extrémité de ladite barre (8), pour régler la position de ladite barre (8) par rapport audit coulisseau (7) de sorte que ladite barre (8) est mobile par rapport audit coulisseau (7) le long dudit axe de référence (C), de manière à provoquer la rotation dudit au moins un deuxième bras (4).
  12. Système de déplacement selon l'une quelconque des revendications 9-11, caractérisé en ce que la partie saillante (8B) de ladite barre (8) est filetée et ledit coulisseau (7) comporte un trou (7A) dont la surface interne est filetée pour permettre à ladite partie saillante (8B) de coulisser par rapport au coulisseau (7), à l'intérieur du coulisseau lui-même.
  13. Système de déplacement selon l'une quelconque des revendications 9-12, caractérisé en ce que lesdits moyens de réglage (9) comprennent un bouton.
EP20214396.2A 2019-12-24 2020-12-16 Système de déplacement permettant de déplacer un rouleau pour l'usinage ou le nettoyage d'une pièce Active EP3842198B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000025468A IT201900025468A1 (it) 2019-12-24 2019-12-24 Sistema di movimentazione per muovere un rullo per la lavorazione o la pulizia di un pezzo.

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EP3842198A1 EP3842198A1 (fr) 2021-06-30
EP3842198B1 true EP3842198B1 (fr) 2023-03-22

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IT (1) IT201900025468A1 (fr)

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CN116713226B (zh) * 2023-08-10 2023-10-27 唐山曹妃甸通益机电设备有限公司 一种轧辊镀铬修复的表面清洁处理设备

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US5794675A (en) * 1996-08-09 1998-08-18 Delta International Machinery Corp. Planer with positively locking cutterhead
DE29903689U1 (de) * 1999-03-02 1999-05-20 Ernst Maschf Gmbh Paul Maschine mit Arbeitswalzen
DE10216612A1 (de) * 2002-04-15 2003-10-30 Voith Paper Patent Gmbh Reinigungsvorrichtung
US20080230149A1 (en) * 2007-03-22 2008-09-25 Bor-Yann Chuang Work feeding and conveying mechanism for a planing machine
DE102012003947A1 (de) * 2012-02-28 2013-08-29 Mf-Hamburg Maschinen- Und Anlagenbau Gmbh Waschstation
CN103785649A (zh) * 2012-10-30 2014-05-14 富昱能源科技(昆山)有限公司 清洁车及其悬臂系统
US10843883B2 (en) * 2017-06-01 2020-11-24 Usnr, Llc Lapper assembly

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