EP3532242B1 - Schleif-polier-maschine für plattenförmige, aus steinmaterial hergestellte produkte - Google Patents

Schleif-polier-maschine für plattenförmige, aus steinmaterial hergestellte produkte Download PDF

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Publication number
EP3532242B1
EP3532242B1 EP17787201.7A EP17787201A EP3532242B1 EP 3532242 B1 EP3532242 B1 EP 3532242B1 EP 17787201 A EP17787201 A EP 17787201A EP 3532242 B1 EP3532242 B1 EP 3532242B1
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EP
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Prior art keywords
sanding
machining station
supporting
machine
polishing machine
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EP17787201.7A
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English (en)
French (fr)
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EP3532242A1 (de
Inventor
Rosario LO PICCOLO
Giovanni Tupini
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    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/06—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving conveyor belts, a sequence of travelling work-tables or the like
    • 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
    • B24B41/02—Frames; Beds; Carriages
    • 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
    • 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
    • B24B41/0475—Grinding heads for working on plane surfaces equipped with oscillating abrasive blocks, e.g. mounted on a rotating head
    • 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
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/224—Portal grinding machines; Machines having a tool movable in a plane

Definitions

  • the present invention relates to a sanding-polishing machine for plate-like products of stone material, such as marble, granite, agglomerate and the like, according to the general part of claim 1.
  • the sanding-polishing operations of the plate-like products made of stone material are normally carried out with machine tools equipped with one or more operating heads, equipped with spindles with abrasive tools.
  • a sanding-polishing machine consists of a support pallet provided with a conveyor belt where the advancing plate is positioned and with one or more machining stations, provided with operating heads equipped with spindles with abrasive tools.
  • a sanding-polishing machine comprising a support pallet (ref. 16) for the plates to be processed and a machining station (ref. 14), comprising two bridge support structures (refs. 20, 22) arranged transversely over the pallet (16 ), which support a spindle-supporting beam (ref.
  • machining assembly or spindle-supporting structure (ref. 34) is mounted, rotatable about a respective vertical axis (ref. 32), on said movable beam (ref. 24).
  • a sanding-polishing machine (ref. 10) is disclosed, said machine comprising a plurality of machining stations (ref. 14), mutually aligned longitudinally above the pallet (ref. 12), where the plate is placed and wherein all the aforementioned machining stations (ref. 14) are applied on a single beam (ref. 20), which is supported at the two ends by two opposite bridge support structures (refs. 16, 18), arranged transversely over the pallet (ref.
  • the machining stations are mounted being raised on fixed or mobile beams, supported by bridge structures or directly positioned on the bridge structures themselves.
  • the spindles, fixed or movable and rotating on vertical axes, as well as the tools associated with said spindles, rotating around vertical axes (pad head) or rotating around horizontal axes (roller head), are always in a considerably elevated position, and in some cases also cantilevered, so that, in practice, they have the disadvantage of not being sufficiently stable due to the vibrations that are generated in the entire machining station and which cause, in extremely critical conditions, up to the transverse bridge oscillation (particularly the beam (ref. 24) of document WO 2016/012950 A1 and the beam (ref. 20) of document WO 2015/087294 A1 (which discloses a sanding-polishing machine according to the preamble of claim 1) with the negative consequence of an uneven tool / plate approach, which compromises the final quality of the machined surface.
  • the object of the present invention is to provide a sanding-polishing machine for plate-like products of stone material, which is free of any drawbacks showed, by similar products of the known type.
  • the object of the present invention is to provide a sanding-polishing machine for plate-like products made of stone material in which the bearing structure of the machining stations remains non-deformable and free from any vibration, allowing for optimum processing even in the heaviest working condition.
  • a further object of the present invention is to provide a sanding-polishing machine for plate-like products in stone material where the different machining stations are able to operate in a mutually independent manner and, consequently, are able to produce trajectories and / or velocity fields arbitrarily settable and specific for said individual machining stations.
  • Still another object of the invention is to provide a sanding-polishing machine for plate-like products made of stone material, consisting of several machining stations, taking up a smaller space with respect to the conventional machines of the known type, so that it can also be installed in medium sized warehouses.
  • each single enamelling / polishing device includes a frame (ref. 201) firmly holding a bridge transverse beam (ref. 203), which supports the entire machining station (ref .206), which is movably connected on said beam (ref. 203) by means of a central rotating pin.
  • a bracket (ref.202) is retained, supporting a motor reducer (ref. 204) which, through a mechanism (ref. 205), moves the entire machining station (ref. 206). Consequently, in practice, the grinder (ref. 3) are subject to a roto-translatory combined movement consisting of an angular rotation associated with a transverse component, so that it can in no way be compared to a "lag motion" providing only and exclusively a transverse movement.
  • the mechanism (ref. 205) is of the rod / crank type, so that the entire machining station (ref. 206) is subject to an alternating rotation motion on the central support pin. It follows that the law of motion of the spindles results from the composition of the rotation movement of the machining station around the pin and of the rod / crank transmission. Being this composition of movements quite complex, it is difficult to implement specific trajectories and / or velocity fields for the spindles.
  • each individual machining station besides operating in a mutually independent manner in respect of the other machining stations, is characterized by the fact that it moves only transversely, relative to the longitudinal direction of the conveyor belt of the plate, that is, it is only provided with the so-called "lag motion", and such a transverse sliding motion, which extends over the whole width of said conveyor belt, is realized by means of a specific and dedicated mechanism applied to the structure supporting the single machining station and said mechanism is applied to the base of said machining station; said base consists of two supporting devices, disposed transversely and positioned right above the pallet containing said conveyor belt, without protruding from the two sides of said pallet.
  • the single machining station is characterized in that it is made of a single-block welded structure, supporting one or more operating heads, provided at the base with support blocks, protruding from the two transverse sides, which engage on two supporting bars, transversely supported on the two side walls of the sliding table; this structure is also provided with a lag mechanism performing the transversal sliding motion of said structure.
  • the sanding-polishing machine for plate-like products made of stone material comprises a plurality of machining stations, indicated by reference 101, containing the operating heads positioned above a supporting pallet 102, where the conveyor belt 103 slides, supporting the plate 104; said supporting pallet 102 and said conveyor belt 103 are comprised in the machine; said machining stations 101 are arranged in series, each of them containing movable operating heads provided with spindles with abrasive tools T, all of which is known per se.
  • each individual machining station 101 operates independently and is sustained individually and supported at the base by means of two supporting devices, generally indicated by reference 10, arranged transversely with respect to the advancement direction of the plate 104 and where there is at least one lag mechanism, generally designated by reference 20, which actuates the transverse sliding motion (lag motion - arrows X 1 , X 2 , X 3 ) of the entire machining station 101 disclosed above.
  • Each machining station 101 is configured to move itself specifically and solely in the only transverse direction with respect to the longitudinal direction of the conveyor belt 103 and in a mutually independent manner with respect to the transverse movement of the other machining stations 101.
  • the machining station 101 comprises a single-block welded structure 1, provided at the base with blocks 2 protruding from the two transversal sides, engaging on transversal supporting bars 3, sustained at the two ends by uprights 4, protruding from the two side walls 105 of the supporting pallet 102, said two transversal supporting bars 3 and said uprights 4 being part of the machine.
  • the lag mechanism 20, which generates the lag of the machining station 101, applied on a longitudinal side of the single-block welded structure 1, comprises two mechanical transmissions of the pinion / rack type 21, where the two opposing pinions 22 are actuated by an actuator 23, which triggers the connecting shaft 24, while the two racks 25, arranged in the transverse direction with respect to the longitudinal direction of the conveyor belt 103 and parallel to the transverse sides of the specific machining station 101, are supported by the upright 4.
  • each machining station 101 which may contain spindle-supporting heads of different conformation (by way of example, reference is made to the Italian patent document VI2003A000098 ), is provided with a single-block welded structure 1, which is sustained at the base with supporting devices 10, being part of the machine, welded directly on the pallet 102 of the conveyor belt 103, so that it is realized a single rigid structure preventing the generation of vibrations. All of these components, in particular the machining stations 101, the supporting devices 10 and the lag mechanisms 20, are contained within the transverse width of the pallet 102, so that there is no additional encumbrance, which in the present machines usually consists of the bridge structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (5)

  1. SCHLEIF-/ POLIERMASCHINE FÜR PLATTENÄHNLICHE ERZEUGNISSE AUS STEINMATERIAL, wobei die Maschine eine Vielzahl von Bearbeitungsstationen (101) umfasst, die Arbeitsköpfe enthalten, die über einer Trägerpalette (102) angeordnet sind, auf der ein Förderband (103) gleitet, wobei die Trägerpalette (102) und das Förderband (103) in der Maschine enthalten sind, wobei das Förderband (103) eine Platte (104) trägt, wobei die Arbeitsköpfe in Reihe angeordnet sind und jede Bearbeitungsstation (101) bewegliche Arbeitsköpfe enthält, die mit Spindeln mit Schleifwerkzeugen (T) versehen sind, wobei jede Bearbeitungsstation (101) so konfiguriert ist, dass sie sich spezifisch und ausschließlich in der einzigen Querrichtung (Verzögerungsbewegung - Pfeile X1, X2, X3) in Bezug auf die Längsrichtung des Förderbandes (103) bewegt,
    wobei die Schleif-/ Poliermaschine (100) dadurch gekennzeichnet ist, dass jede Bearbeitungsstation (101) sich auch in einer voneinander unabhängigen Weise in Bezug auf die Querbewegung der anderen Bearbeitungsstationen (101) bewegen kann und wobei die einzelne Querbewegung der gesamten oben erwähnten Bearbeitungsstation (101) durch die Wirkung eines spezifischen und zweckbestimmten Verzögerungsmechanismus (20) realisiert wird, der der Bearbeitungsstation (101) zugeordnet ist, und dadurch, dass der Verzögerungsmechanismus (20), der an der Maschine an der entsprechenden Bearbeitungsstation (101) angebracht ist, zwei mechanische Getriebe vom Typ Ritzel/Zahnstange (21) umfasst, die in Bezug auf die beiden Querseiten der Bearbeitungsstation (101) außen angeordnet sind.
  2. SCHLEIF-/ POLIERMASCHINE (100) nach Anspruch 1, wobei jedes der beiden Getriebe zwei Ritzel (22) umfasst, die durch einen Aktor (23) über eine Verbindungswelle (24) betätigt werden und in zwei entsprechende Zahnstangen (25) eingreifen, die in der Querrichtung in Bezug auf die Längsrichtung des Förderbandes (103) und parallel zu den Querseiten der spezifischen Bearbeitungsstation (101) angeordnet sind.
  3. SCHLEIF-/ POLIERMASCHINE (100) nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass jede Bearbeitungsstation (101) an ihrer Basis mittels zweier Trägervorrichtungen (10) getragen wird, die Teil der Maschine sind, quer in Bezug auf eine Längsvorschubrichtung der Platte (104) angeordnet sind und die mit der Trägerpalette (102) einstückig sind, ohne aus den beiden Seiten der Trägerpalette (102) vorzustehen.
  4. SCHLEIF-/ POLIERMASCHINE (100) nach Anspruch 3, dadurch gekennzeichnet, dass die beiden Trägervorrichtungen (10) direkt über dem Förderband (103) angeordnet sind.
  5. SCHLEIF-/ POLIERMASCHINE (100) nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass jede Bearbeitungsstation (101) eine aus einem einzigen Block bestehende Schweißkonstruktion (1) umfasst, die an der Basis mit Blöcken (2) versehen ist, die aus den beiden Querseiten vorstehen und auf zwei Querträgerstangen (3) in Eingriff stehen, wobei die Querträgerstangen (3) an ihren beiden Enden von Stützen (4) getragen werden, die aus den beiden Seitenwänden (105) der Trägerpalette (102) vorstehen, wobei die beiden Querträgerstangen (3) und die Stützen (4) Teil der Maschine sind.
EP17787201.7A 2016-10-26 2017-10-25 Schleif-polier-maschine für plattenförmige, aus steinmaterial hergestellte produkte Active EP3532242B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102016000108003A IT201600108003A1 (it) 2016-10-26 2016-10-26 Macchina levigatrice-lucidatrice per prodotti lastriformi in materiale lapideo
PCT/EP2017/077254 WO2018077925A1 (en) 2016-10-26 2017-10-25 Sanding-polishing machine for plate-like products made of stone material

Publications (2)

Publication Number Publication Date
EP3532242A1 EP3532242A1 (de) 2019-09-04
EP3532242B1 true EP3532242B1 (de) 2023-09-13

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Application Number Title Priority Date Filing Date
EP17787201.7A Active EP3532242B1 (de) 2016-10-26 2017-10-25 Schleif-polier-maschine für plattenförmige, aus steinmaterial hergestellte produkte

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EP (1) EP3532242B1 (de)
IT (1) IT201600108003A1 (de)
WO (1) WO2018077925A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109773645B (zh) * 2019-03-11 2020-02-18 佛山市南海区卓迪机械有限公司 一种石英石打磨抛光机
CN110103112B (zh) * 2019-04-29 2020-09-29 青岛市首胜实业有限公司 一种自动双面橱柜板材砂光装置
CN112318348A (zh) * 2020-11-05 2021-02-05 苏州芙路得智能科技有限公司 一种适用于不锈钢冰块的抛光装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20030098A1 (it) 2003-05-16 2004-11-17 Mbd Srl Macchina levigatrice-lucidatrice per prodotti lastriformi
CN101362312B (zh) * 2008-09-24 2011-02-16 广东科达机电股份有限公司 一种釉面上光机
ES2981961T3 (es) * 2013-12-13 2024-10-14 Luca Toncelli Máquina para alisar y/o pulir losas de material pétreo, como piedra natural o aglomerada, cerámica y vidrio
ES2669347T3 (es) * 2014-07-24 2018-05-25 Luca Toncelli Procedimiento para alisar y/o pulir losas de piedra o material similar a la piedra
CN104802051B (zh) * 2015-04-13 2017-12-26 广东科达洁能股份有限公司 瓷质抛光砖表面冷加工装置

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EP3532242A1 (de) 2019-09-04
WO2018077925A1 (en) 2018-05-03
IT201600108003A1 (it) 2018-04-26

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