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WO2016083637A1 - Porte-outil à double axe motorisé - Google Patents

Porte-outil à double axe motorisé Download PDF

Info

Publication number
WO2016083637A1
WO2016083637A1 PCT/ES2015/070833 ES2015070833W WO2016083637A1 WO 2016083637 A1 WO2016083637 A1 WO 2016083637A1 ES 2015070833 W ES2015070833 W ES 2015070833W WO 2016083637 A1 WO2016083637 A1 WO 2016083637A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotation
tool holder
motorization
axis
tool
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.)
Ceased
Application number
PCT/ES2015/070833
Other languages
English (en)
Spanish (es)
Inventor
Enric Vila Papell
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.)
Estudios de Ingenieria Adaptada SL
Original Assignee
Estudios de Ingenieria Adaptada SL
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 Estudios de Ingenieria Adaptada SL filed Critical Estudios de Ingenieria Adaptada SL
Publication of WO2016083637A1 publication Critical patent/WO2016083637A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B24B23/03—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor the tool being driven in a combined movement

Definitions

  • the present invention relates to sanding or polishing tool holders, particularly devices of this type that incorporate tools mounted by eccentric shafts relative to the axial axis of the tool, to determine rotational orbital tool movements around a central axis of drive, proposing a tool holder in which the tool is arranged so that it performs a combination of two movements that are driven by independent motorizations, which allows a control of the movements that allows a greater efficiency of the operative work of the tool.
  • tools in the form of sandpaper or similar are used, with which a friction movement is performed on the application surfaces, there are devices provided with tool-holder devices that perform these operations in a motorized manner .
  • One type of actuator apparatus of a motorized movement of sandpaper or the like are those of rotational-orbital drive, in which some sandpaper or the like intended to friction on the application surfaces, are arranged in tool-holder devices comprising an axis primary, to which a rotary drive motorization is applied, and eccentric secondary axes with respect to the primary axis, which incorporate in an eccentric rotary assembly with respect to them supports on which the tools are arranged in the form of sandpaper or the like.
  • a movement of the sandpaper or the like is obtained by describing ellipses that are shifting from position, which improves the efficiency of friction on the application surfaces, also achieving a better use of the sandpaper or the like in suitable conditions.
  • the sandpaper or similar actuators in roto-orbital movements have a primary shaft that is driven by a motorization, going in eccentric positions with respect to said primary axis secondary axes that rotate freely and which eccentrically incorporate with respect to them carrier supports of the sandpaper or the like.
  • the supports carrying the sandpaper or the like move in a rotational movement around the primary axis by the action of the motorization that acts on said primary axis, and in a rotational movement around the corresponding secondary axes, this second movement being acted on by the friction of the sandpaper work or the like on the application surface, which means that this second movement of the sandpaper or the like is random and uncontrolled, resulting in the action of the sandpaper work or the like being uneven.
  • a tool holder is proposed that allows a tool of the type of sandpaper or the like to be operated in fully controlled rotational orbital movements, for sanding, polishing or other similar work, on application surfaces.
  • This tool holder object of the invention comprises a primary axis which is actuated by a first rotation motor, to which a tool holder is eccentrically attached, said primary axis being incorporated in assembly with respect to a bearing assembly, which It is supported by sets of connecting rods that are associated with secondary axles that are operated by a second motorization independent of the one acting on the primary axis.
  • a control can be established by coordinating both movements, to make a tour of the orbital movement in fully circular displacement or in partially circular reciprocating displacements, allowing the work operation to be adapted for optimal conditions of effectiveness and performance in relation to the particularities of each area of the application surfaces, which is very practical, for example, to operate in the areas of the limits of the application surfaces.
  • the tool of the type of sandpaper or similar is provided in a square way and its assembly so that it does not rotate on itself but only performs a translation movement carried by the tool holder according to the movement orbits that transmit the primary axis and the secondary axes, whereby the friction surface finish is completely uniform, since in the area on which the tool acts the application surface is uniformly affected by the entire surface of the tool, There is no difference in action between the peripheral zone and the central area of the tool, as is the case with circular tools with rotating movement on themselves.
  • Said tool holder object of the invention therefore results in characteristics that make it advantageous for the operative function of operation by means of a tool of the type of sandpaper or the like, such that this tool holder acquires its own life and preferential character with respect to of conventional toolholder devices of the same function.
  • Figure 1 shows in perspective an embodiment of a tool holder according to the invention, at an angle of observation from the bottom.
  • Figure 2 is a perspective of the tool holder of the previous figure, at an angle of observation from the top.
  • Figure 3 is a top plan view of the tool holder.
  • Figure 4 is an elevational sectional view of the tool holder, according to section IV-IV indicated in the previous figure.
  • the object of the invention relates to a tool holder for friction work on surfaces by means of a sandpaper or similar, with a functional arrangement that allows to establish a total control of the operative work.
  • the tool holder according to the invention consists of a support assembly (1), with respect to which a tool holder holder (2) is incorporated, designed to provide a friction tool in the form of sandpaper or the like.
  • the tool holder (2) is connected in an eccentric position on a primary axis (3) which is actuated by a first rotation motorization (4) through an elastic coupling (8), so that when said primary axis is rotated (3) the tool holder support (2) moves in eccentric rotation movement around it.
  • the bearing assembly (1) is supported by connecting rod sets (5), which are associated with secondary axles (6) that are operated by a second rotation motorization (7), independent of the first rotation motorization (4). ) acting on the primary axis (3).
  • the second rotation motorization (7) is related to one of the secondary axes (6), the other secondary axes (6) being able to have free rotation or be related by means of a rotation drive transmission with the secondary axis (6) motorized.
  • the rotation of the primary axis (3) actuated by the first motorization of rotation (4) causes the tool holder support (2) to move in eccentric rotation around said primary axis (3); while the rotation of the secondary axes (6) acted on by the second rotation motorization (7), causes the bearing assembly (1) to move orbitally around a central point, with which the tool holder (2) and, consequently, the sandpaper or similar tool that goes incorporated into it, it moves with a broken-orbital movement around the primary axis (3).
  • the work tool is square and does not rotate on itself but is only carried by the tool holder (2) in the broken-orbital movement by the combination of the movements that transmit the primary axis (3) and the secondary axes (6).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Automatic Assembly (AREA)

Abstract

L'invention concerne un porte-outil à double axe motorisé, comprenant un ensemble porteur (1), par rapport auquel est intégré un support porte-outil (2) monté en position excentrique sur un axe primaire (3) relié à une première motorisation de rotation (4), l'ensemble porteur (1) étant soutenu par des jeux de bielles (5) associés à des axes secondaires (6) reliés à une seconde motorisation de rotation (7), formant un ensemble qui actionne le support porte-outil (2) avec une combinaison des deux mouvements de rotation indépendants contrôlés.
PCT/ES2015/070833 2014-11-26 2015-11-20 Porte-outil à double axe motorisé Ceased WO2016083637A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP201431757 2014-11-26
ES201431757A ES2575277B1 (es) 2014-11-26 2014-11-26 Porta-herramienta de doble eje motorizado

Publications (1)

Publication Number Publication Date
WO2016083637A1 true WO2016083637A1 (fr) 2016-06-02

Family

ID=56073660

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2015/070833 Ceased WO2016083637A1 (fr) 2014-11-26 2015-11-20 Porte-outil à double axe motorisé

Country Status (2)

Country Link
ES (1) ES2575277B1 (fr)
WO (1) WO2016083637A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1430214A (en) * 1922-09-26 Grinding and polishing machine
WO2004085114A1 (fr) * 2003-03-28 2004-10-07 The Technology Partnership Plc Outil rotatif possedant des engrenages planetaires en orbite contenant des axes excentriques servant a fixer des plaques de polissage ou de sablage
US20130059505A1 (en) * 2010-02-11 2013-03-07 Wayne A. Bailey Orbital Smoothing Device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1430214A (en) * 1922-09-26 Grinding and polishing machine
WO2004085114A1 (fr) * 2003-03-28 2004-10-07 The Technology Partnership Plc Outil rotatif possedant des engrenages planetaires en orbite contenant des axes excentriques servant a fixer des plaques de polissage ou de sablage
US20130059505A1 (en) * 2010-02-11 2013-03-07 Wayne A. Bailey Orbital Smoothing Device

Also Published As

Publication number Publication date
ES2575277B1 (es) 2017-02-23
ES2575277A1 (es) 2016-06-27

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