EP2853343B1 - Maschine zum Schleifen plattenförmiger Elemente, insbesondere Fliesen und Kacheln aus Keramikmaterial, Natursteine, Glas oder dergleichen - Google Patents

Maschine zum Schleifen plattenförmiger Elemente, insbesondere Fliesen und Kacheln aus Keramikmaterial, Natursteine, Glas oder dergleichen Download PDF

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Publication number
EP2853343B1
EP2853343B1 EP14183839.1A EP14183839A EP2853343B1 EP 2853343 B1 EP2853343 B1 EP 2853343B1 EP 14183839 A EP14183839 A EP 14183839A EP 2853343 B1 EP2853343 B1 EP 2853343B1
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EP
European Patent Office
Prior art keywords
machine
fact
forward movement
pair
pusher
Prior art date
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Application number
EP14183839.1A
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English (en)
French (fr)
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EP2853343A3 (de
EP2853343A2 (de
Inventor
Umberto Fava
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Tecnema Technology Srl
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Tecnema Technology Srl
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Publication of EP2853343A2 publication Critical patent/EP2853343A2/de
Publication of EP2853343A3 publication Critical patent/EP2853343A3/de
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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
    • 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
    • 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
    • B24B7/24—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 for grinding or polishing glass
    • B24B7/26—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 for grinding or polishing glass for simultaneously grinding or polishing opposite faces of continuously travelling sheets or bands
    • B24B7/265—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 for grinding or polishing glass for simultaneously grinding or polishing opposite faces of continuously travelling sheets or bands of vertical 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
    • B24B9/02—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
    • B24B9/06—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • 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
    • B24B9/06—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • 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
    • B24B9/06—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • B24B9/102—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 non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass for travelling sheets

Definitions

  • the present invention relates to a machine for grinding plate-shaped elements, particularly tiles and slabs of ceramic material, natural stones, glass or the like.
  • plate-shaped elements like tiles and ceramic bricks, for both floors and walls, or such as marble slabs and/or glass sheets, require a grinding operation in order to bring the sides of the products to perfect project shape or surface state.
  • this operation is performed using grinding machines able to quickly machine large quantities of ceramic products that move forward in succession on a horizontal movement surface.
  • Traditional grinding machines in fact usually comprise a plate-shaped element moving system consisting of four conveyor belts, superimposed two by two and side by side, wherein the plate-shaped products are wedged between the lower conveyor belts and the upper conveyor belts and driven along by these.
  • the sides of the products to be machined protrude from the sides of the conveyor belts and, during forward movement, encounter a succession of grinding wheels, which remove the excess material and make the profile flush, and if necessary one or more sloped grinding wheels to carry out the chamfering operation.
  • the distance between the grinding wheels and the conveyor belts is adjustable to set the quantity of material to be removed from the products; for this purpose, a manual adjustment device is provided, of the type of a screw or the like, which can be operated by an operator.
  • a centring device is provided that allows centring the plate-shaped elements with respect to the movement surface.
  • the centring device consists of two opposite side boards moved by means of a pair of pneumatic cylinders.
  • the plate-shaped elements encounter a square positioning system which allows positioning them at right angles with respect to the direction of forward movement on the movement surface.
  • the square positioning system provided by traditional machines consists of a carriage which, by means of an electro-mechanical system, is alternately mobile along the direction of forward movement and which is suitable for contacting the rear side of the plate-shaped elements.
  • the carriage supports two pushers fitted on specific fine-adjustment systems, of the screw type or the like, which allow adjusting their depth along the direction of forward movement.
  • the known machines do have a number of drawbacks.
  • the known machines are in fact distinguished by reduced operating flexibility and are considerably complicated as regards maintenance and settings.
  • the pushers are ready to be fitted at substantially fixed points of the support carriage and, depending on the size of the plate-shaped elements to be machined, their position may not be ideal for pushing the products.
  • the machine In the case, furthermore, of having to grind large-size plate-shaped elements, the machine must, inconveniently, be equipped with a very long and cumbersome drive shaft.
  • the chamfering wheels in fact are usually fitted on a carriage prismatically sliding towards the conveyor belts, or else on a carousel hinged around a horizontal axis, the rotation of which allows moving the grinding wheel closer/further away and at the same time changing the inclination of the grinding wheel; in both cases, however, the correct positioning of the grinding wheels is particularly difficult and depends a lot on the operator's sensitivity.
  • the presser means fitted in the traditional machines consist, for example, of a longitudinal bar under which the upper conveyor belt is made to slide.
  • the bar is often strongly pressed on the upper conveyor belt, causing this to wear quickly and in any case without managing to ensure a uniform distribution of the load along the entire length of the conveyor belts.
  • presser means composed of a succession of rollers which press on the upper conveyor belt; this solution, while on the one hand producing less wear on the conveyor belt, on the other hand results in the fact that the rollers, partially distanced the one from the other, allow applying a discontinuous pressure which, sometimes, determines the undesired movement of the plate-shaped elements with respect to their square position.
  • a further drawback of traditional machine consists in the fact that the device for centring the plate-shaped elements on the movement surface, which is entrusted to the operation of one/two pneumatic cylinders, is not always precise, with the risk of not correctly placing the plate-shaped elements with respect to the movement surface.
  • the main aim of the present invention is to provide a machine for grinding plate-shaped elements, particularly tiles and slabs of ceramic material, natural stones, glass or the like that has a versatility of use sensitively higher than the known machines described above.
  • the present invention proposes to square up the plate-shaped elements in a much more practical, easier and more functional way, above all improving aspects tied to the adjustment of the reciprocal position of the pushers without stopping production.
  • a further object of the present invention is to provide a machine that can easily adapt to machining plate-shaped elements of different dimensions and which can be regulated in a practical and simple way, without long machine down times being required nor any special skills on the part of the operators.
  • Another object of the present invention is to provide a machine that has greater efficiency than machines of known type.
  • Not last object of the present invention is to provide a machine with reduced wear and limited overall dimensions/impediments, so that it is more easily accessible by the operator to carry out maintenance jobs, makes his/her work easier and cuts the time required.
  • Another object still of the present invention is to allow the use of grinding wheels with different wear without this negatively affecting the quality of the job done.
  • Yet another object of the present invention is to allow the carrying out of more precise jobs, especially for large sizes, compared to machines of known type.
  • the machine according to the invention proposes to allow the control and adjustment of the position of the grinding wheels with respect to the movement surface and therefore with respect to the plate-shaped elements being machined.
  • Yet another object of the present invention is to provide a machine able to ensure the correct forward movement of the plate-shaped elements along the movement surface, without the risk of causing a rapid deterioration of the conveyor belts or losing the grip of the plate-shaped elements.
  • the machine according to the invention also proposes to centre the plate-shaped elements on the movement surface in a practical, easy and functional way and, above all, with much more precision compared to traditional machines.
  • Another object of the present invention is to provide a machine for grinding plate-shaped elements, particularly tiles and slabs of ceramic material, natural stones, glass or the like that allows overcoming the mentioned drawbacks of the background art within the ambit of a simple, rational, easy to use and low cost solution.
  • the present objects are achieved by the present machine for grinding plate-shaped elements, particularly tiles and slabs of ceramic material, natural stones, glass or the like, having the features of claim 1.
  • 1 is globally indicated a machine for grinding plate-shaped elements, particularly tiles and slabs of ceramic material, natural stones, glass or the like.
  • the machine 1 comprises a base frame 2 for resting on the ground that supports forward movement means 3 for moving at least a plate-shaped element 4, of the type of a ceramic brick and/or a marble slab or other natural stone and/or a glass plate.
  • the plate-shaped element 4 is substantially rectangular or square and has two first opposite and parallel sides 5 to be ground, a second side 6 and a third side 7 transversal to the first sides 5.
  • the forward movement means 3 are suitable for moving the plate-shaped element 4 so this lies on a movement surface 8 and moves along a forward direction A, with the second side 6 arranged upstream and the third side 7 downstream with respect to the direction of forward movement A.
  • the forward movement means 3 comprise at least a pair of flexible elements 9a, 9b, 10a, 10b, of the type of belts, bands or the like, closed on themselves in a loop, each of which is at least partially wrapped around two drive wheels 11 and can be placed in contact on faces opposite the plate-shaped element 4 to drive this along the direction of forward movement A.
  • the forward movement means 3 comprise two of the above pairs of flexible elements 9a, 9b, 10a, 10b, of which a first pair 9a, 9b is fitted on a first support structure 12 and a second pair 10a, 10b is fitted on a second support structure 13 and is arranged substantially alongside and parallel to the first pair 9a, 9b.
  • the flexible elements 9a, 9b of the first pair are arranged one above the other and extend parallel to the direction of forward movement A; similarly, the flexible elements 10a, 10b of the second pair are arranged one above the other and are facing the first pair 9a, 9b in a substantially symmetrical way with respect to a vertical plane parallel to the direction of forward movement A.
  • the plate-shaped element 4 is meant to rest on the lower flexible elements 9a, 10a wedging underneath the upper flexible elements 9b, 10b.
  • the lower flexible elements 9a, 10a are longer and have a free entry section on which to rest the plate-shaped element 4 before wedging underneath the upper flexible elements 9b, 10b.
  • the movement surface 8 consists in the surface defined between the lower flexible elements 9a, 10a and the upper flexible elements 9b, 10b ( figure 2 ).
  • the movement surface 8 is substantially horizontal, as is the direction of forward movement A, but alternative embodiments cannot be ruled out wherein the movement surface 8 is inclined.
  • the flexible elements 9a, 9b of the first pair are associated with at least a first operating motor 14 while the flexible elements 10a, 10b of the second pair are associated with at least a second operating motor 15.
  • first operating motors 14 there are two first operating motors 14, one for each flexible element 9a, 9b of the first pair, while there are two second operating motors 15, one for each flexible element 10a, 10b of the second pair.
  • the first operating motors 14 and the second operating motors 15 are of the electric type and are electronically connected to a processing and control unit 16 suitable for controlling the relevant movement and, in particular, the synchronism to ensure constant and regular forward movement.
  • the support structures 12, 13 extend longitudinally and parallel to the direction of forward movement A and are associated with the base frame 2 in a reciprocally moving way, approaching and moving away along a transversal direction B which is horizontal and substantially at right angles to the direction of forward movement A.
  • This allows bringing the flexible elements 9a, 9b, 10a, 10b closer together and, therefore, reducing or enlarging the movement surface 8 according to the size of the plate-shaped element 4.
  • the forward movement means 3 furthermore, comprise a presser device 17, 18, 19 suitable for pushing the flexible elements 9a, 9b, 10a, 10b of each pair the one against the other.
  • the guide runners 18 are designed to be pressed against the upper flexible elements 9b, 10b to push them against the respective lower flexible elements 9a, 10a.
  • machining means 20, 21 are arranged of the first sides 5 of the plate-shaped element 4, which are suitable for intercepting the plate-shaped element 4 in its movement along the direction of forward movement A.
  • the machining means 20, 21 e.g., comprise a plurality of side grinding wheels 20 arranged on both sides of the movement surface 8.
  • the side grinding wheels 20 are split up into a first series fitted on the first support structure 12 and into a second series fitted on the second support structure 13.
  • the side grinding wheels 20 are driven in rotation around an axis substantially horizontal and at right angles to the direction of forward movement A by means of a corresponding control motor 22.
  • control motors 22 and the side grinding wheels 20 are also mobile in approaching and moving away with respect to the movement surface 8 and are provided with automated adjustment means 23 suitable for adjusting the position of the side grinding wheels 20 with respect to the surface itself.
  • the automated adjustment means 23 are of the optical/visual type and comprise emission/receiving means 24, 25 for emitting/receiving a rectilinear light ray 26, arranged at a preset distance from the movement surface 8 and suitable for being interrupted by the side grinding wheels 20 by effect of the approaching/moving away of the side grinding wheels 20 with respect to the movement surface 8.
  • the laser ray 26 emitted by the laser emitters 24 is substantially directed parallel to the direction of forward movement A.
  • the automated adjustment means 23 comprise other types of optical devices such as cameras or the like for detecting the position of the side grinding wheels 20.
  • To register the position of the side grinding wheels 20 means are also provided for detecting the position of the side grinding wheels 20 in correspondence to which the side grinding wheels 20 interrupt the laser ray 26.
  • control motors 22 and the side grinding wheels 20 are associated with an equal number of operating devices 27 to move the side grinding wheels 20 in approaching and moving away with respect to the movement surface 8, the operating devices 27 being electronically connected to the processing and control unit 16 for controlling the position of the side grinding wheels 20 according to the measurement detected by the detection means.
  • the operating devices 27 consist in an equal number of electric motors able to automatically detect their position to inform in agreement the processing and control unit 16.
  • the machining means 20, 21, furthermore, comprise two chamfering wheels 21 arranged on opposite sides of the movement surface 8, one of which is fitted on the first support structure 12 and the other on the second support structure 13.
  • the chamfering wheels 21 are driven in rotation around an axis substantially oblique with respect to the movement surface 8 and at right angles to the direction of forward movement A by means of a corresponding control motor 22.
  • control motors 22 and the chamfering wheels 21 are supported by an articulated parallelogram mechanism 28 suitable for guiding each chamfering wheel 21 in an approach and away movement with respect to the movement surface 8.
  • the articulated parallelogram mechanism 28 comprises a pair of connecting rods placed in between the control motor 22 of the chamfering wheels 21 and the corresponding support structure 12, 13, the control motor 22 being connected to an electric motor 29 identical to the operating devices 27.
  • the machine I is fitted with centring means 30, 31 for centring the plate-shaped element 4 which comprise two side boards 30 arranged on opposite sides of the movement surface 8 and which can be operated in approach and away movement with respect to the movement surface 8 by means of two respective electric motors 31.
  • a side board 30 is fitted on the first support structure 12 while the other side board 30 is fitted on the second support structure 13.
  • bumper discs 30a suitable for contacting the first sides 5 of the plate-shaped element 4.
  • the electric motors 31 associated with the side boards 30 are electrically connected to the processing and control unit 16 to control their relative and synchronous operation, so as to ensure a centring precision considerably greater than that of traditional machines.
  • the machine 1 also comprises square positioning means 32, 33, 34, 35, suitable for positioning the plate-shaped element 4 on the movement surface 8 in a square position wherein the second side 6 of the plate-shaped element 4 is placed substantially at right angles to the direction of forward movement A.
  • the square positioning means 32, 33, 34, 35 comprise a first pusher 32 and a second pusher 33 which are alternately mobile along the direction of forward movement A and are suitable for pushing the second side 6 of the plate-shaped element 4 and positioning it in the above square position.
  • the square positioning means 32, 33, 34, 35 also comprise a first linear actuator 34 suitable for operating the first pusher 32 along the direction of forward movement A and a second linear actuator 35 suitable for operating the second pusher 33 along the direction of forward movement A.
  • the linear actuators 34, 35 are separate and independent the one from the other and electronically connected to the processing and control unit 16, which is suitable for controlling the relevant movement.
  • the processing and control unit 16 in point of fact, is able to command the forward movement of the pushers 32, 33 in an automated way and, above all, to control their movement synchronism, on which depends the position of the second side 6 of the plate-shaped element 4.
  • the linear actuators 34, 35 in particular, consist in an electric motor 37 ( figure 10 ), e.g., of the brushless type, which drives a driving shaft 38 in rotation.
  • the driving shaft 38 is designed to drive a flexible body 39, of the type of a belt or the like, closed on itself in a loop around two wheels 40 one of which fitted on the driving shaft 38, and not shown in the illustrations, and the other idle.
  • connection element 41 which supports a bracket 42 which, in turn, supports one of the pushers 32, 33.
  • the flexible bodies 39 used in each linear actuator 34, 35 are arranged along the direction of forward movement A so the pushers 32, 33 can run parallel to it.
  • the processing and control unit 16 acts as an "electric" drive shaft that permits maintaining the synchronism of operation of the electric motors 37 and the consequent forward movement of the pushers 32, 33.
  • first linear actuator 34 is fitted on the first support structure 12 while the second linear actuator 35 is fitted on the second support structure 13 and these are mobile with them along the transversal direction B.
  • the first pusher 32 is arranged in correspondence to the first pair of flexible elements 9a, 9b and the second pusher 33 is arranged in correspondence to the second pair of flexible elements 10a, 10b; more in detail, each pusher 32, 33 lies on the vertical lying plane of the respective pair of flexible elements 9a, 9b, 10a, 10b and moves alternately forward and backward along the free entry section of the lower flexible elements 9a, 10a.
  • each pusher 32, 33 is able to push the plate-shaped element 4 precisely in correspondence to the lower flexible elements 9a, 10a, to make this slide on the movement surface 8 and correct the position of the second side 6 in the most controlled and precise way possible.
  • the first pusher 32 and the second pusher 33 consist, e.g., in a lever which is fitted at the moving extremity of the linear actuators 34, 35, supports a roller 36 and is suitable for entering into contact with the second side 6 once the plate-shaped element 4 has fully passed underneath the pushers 32, 33.
  • the operation of the present invention is the following.
  • the machine 1 is set by an operator according to the size of the plate-shaped element 4 to be machined. For this purpose, it is enough to adjust the distance of the support structures 12, 13 along the transversal direction B, dragging with them the machining means 20, 21, the automated adjustment means 23, the centring means 30, 31 and the square positioning means 32, 33, 34, 35.
  • the machining means 20 and 21 are first of all placed at the maximum distance from the movement surface 8 and then made to move forward one by one towards the corresponding laser ray 26.
  • the plate-shaped element 4 to be machined is loaded on the free entry section of the lower flexible elements 9a, 10a where, by means of the centring means 30, 31, it is centred with respect to the movement surface 8.
  • the plate-shaped element 4 is transported along the direction of forward movement A and made to pass underneath the pushers 32, 33, and after passing these is ready to be positioned squared-up.
  • the processing and control unit 16 controls the operation of the linear actuators 34, 35 and controls the forward movement of the pushers 32, 33, which come into contact with the second side 6 and push the plate-shaped element 4 to slide on the lower flexible elements 9a, 10a until the square position is reached wherein the second side 6 is perfectly at right angles to the direction of forward movement A.
  • the plate-shaped element 4 Once the plate-shaped element 4 has wedged between the lower flexible elements 9a, 10a and the upper flexible elements 9b, 10b, it is withheld in the square position by effect of the thrust exercised by the guide runners 18 and made to move forward along the direction of forward movement A encountering along the way the machining means 20, 21 which perform the necessary grinding and chamfering operations.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Claims (14)

  1. Maschine (1) zum Schleifen plattenförmiger Elemente, insbesondere Fliesen und Kacheln aus keramischem Material, Natursteinen, Glas oder dergleichen, umfassend:
    - mindestens einen Grundrahmen (2);
    - Vorwärtsbewegungsmittel (3) für mindestens ein plattenförmiges Elemente (4), das mindestens eine erste Seite (5), die zu schleifen ist, und mindestens eine zweite Seite (6) quer zur ersten Seite (5) aufweist, wobei die Vorwärtsbewegungsmittel (3) auf den Grundrahmen (2) gepasst sind und geeignet sind, um das plattenförmige Element (4) auf mindestens einer Bewegungsfläche (8) entlang mindestens einer Richtung der Vorwärtsbewegung (A) zu bewegen, wobei:
    - die Vorwärtsbewegungsmittel (3) mindestens ein Paar flexibler Elemente (9a, 9b; 10a, 10b) umfassen, die in sich selbst geschlossen sind wie eine Schleife, von denen jedes mindestens teilweise um zwei Betriebsräder (11) gewunden ist und auf gegenüberliegenden Flächen des plattenförmigen Elements (4) in Kontakt gebracht werden kann, um dieses entlang der Richtung der Vorwärtsbewegung (A) zu treiben; und
    - die Vorwärtsbewagungsmittel (3) mindestens zwei der Paare flexibler Elemente (9a, 9b; 10a, 10b) umfassen, von denen ein erstes Paar (9a, 9b) auf eine erste Stützstruktur (12) gepasst ist, und ein zweites Paar (10a, 10b) auf eine zweite Stützstruktur (13) gepasst ist und im Wesentlichen entlang und parallel zu dem ersten Paar (9a, 9b) angeordnet ist; und
    - maschinelle Bearbeitungsmittel (20, 21) zur maschinellen Bearbeitung der ersten Seite (5), die in der Nähe der Bewegungsfläche (8) angeordnet sind und zum Abfangen des plattenförmigen Elements (4) in seiner Bewegung entlang der Richtung der Vorwärtsbewegung (A) geeignet sind, wobei die maschinellen Bearbeitungsmittel (20, 21) mindestens eines von einem Seitenschleifrad (20) und einem Fasenrad dadurch gekennzeichnet, dass:
    - die Stützstrukturen (12, 13) mit dem Grundrahmen (2) in einer reziproken Bewegungsweise verbunden sind, wobei sie sich entlang einer Querrichtung (B) im Wesentlichen rechtwinklig zu der Richtung der Vorwärtsbewegung (A) annähern und wegbewegen;
    - die Maschine (1) quadratische Positionierungsmittel (32, 33, 34, 35) des plattenförmigen Elements (4) auf der Bewegungsfläche (8) umfasst, welche mindestens einen ersten Schieber (32) und mindestens einen zweiten Schieber (33) umfassen, die sich abwechselnd entlang der Richtung der Vorwärtsbewegung (A) bewegen und geeignet sind, die zweite Seite (6) zu schieben, um diese in eine aufrechte Position im Wesentlichen rechtwinklig zu der Richtung der Vorwärtsbewegung (A) zu bringen; und
    - der erste Schieber (32) auf die erste Stützstruktur (12) gepasst ist, und der zweite Schieber (33) auf die zweite Stützstruktur (13) gepasst ist, wobei die Schieber (32, 33) mit den Stützstrukturen (12, 13) entlang der Querrichtung (B) beweglich sind, wodurch ermöglicht wird, dass die reziproke Distanz der Schieber (32, 33) gemäß der Größe des plattenförmigen Elements (4), das maschinell bearbeitet wird, geändert wird.
  2. Maschine (1) nach Anspruch 1, dadurch gekennzeichnet, dass die quadratischen Positionierungsmittel (32, 33, 34, 35) einen ersten linearen Aktuator (34), der geeignet ist, um den ersten Schieber (32) zu betreiben, und einen zweiten linearen Aktuator (35) umfassen, der geeignet ist, um den zweiten Schieber (33) zu betreiben, wobei die linearen Aktuatoren (34, 36) getrennt und voneinander unabhängig und elektronisch mit einer Verarbeitungs- und Steuereinheit (16) verbunden sind, die geeignet ist, um ihre relative Bewegung zu steuern.
  3. Maschine (1) nach Anspruch 2, dadurch gekennzeichnet, dass mindestens einer von dem ersten linearen Aktuator (34) und dem zweiten linearen Aktuator (35) einen Elektromotor (37) zum Betreiben einer Antriebswelle (38) in einer Drehung umfasst, die dazu bestimmt ist, gleitend mindestens eine Stützklammer (42) für mindestens einen der Schieber (32, 33) zu betreiben.
  4. Maschine (1) nach Anspruch 3, dadurch gekennzeichnet, dass der Elektromotor (37) vom bürstenlosen Typ ist.
  5. Maschine (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens einer von dem ersten Schieber (32) und dem zweiten Schieber (33) einen Hebel umfasst, der am beweglichen Ende der linearen Aktuatoren (34, 35) eingepasst ist.
  6. Maschine (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorwärtsbewegungsmittel (3) mindestens eine Presservorrichtung (17, 18, 19) umfassen, die geeignet ist, um mindestens eins der flexiblen Elemente (9a, 9b; 10a, 10b) gegen das andere zu schieben.
  7. Maschine (1) nach Anspruch 6, dadurch gekennzeichnet, dass die Presservorrichtung (17, 18, 19) eine Vielzahl von Führungsschienen (18) umfasst, die aufeinanderfolgend und irn Wesentlichen eine der anderen benachbart entlang der Richtung der Vorwärtsbewegung (A) angeordnet sind.
  8. Maschine (1) nach Anspruch 7, dadurch gekennzeichnet, dass die Presservorrichtung (17, 18, 19) elastische Mittel (19) umfasst, um den Druck der Führungsschienen (18) zu dämpfen.
  9. Maschine (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die flexiblen Elemente des ersten Paars (9a, 9b) mit mindestens einem ersten Betriebsmotor (14) verbunden sind, und die flexiblen Elemente des zweiten Paars (10a, 10b) mit mindestens einem zweiten Betriebsmotor (15) verbunden sind, wobei der erste Betriebsmotor (14) und der zweite Betriebsmotor (15) mit der Verarbeitungs- und Steuereinheit (16) verbunden sind, die für die Steuerung ihrer relativen Bewegung geeignet ist
  10. Maschine (1) nach Anspruch 9, dadurch gekennzeichnet, dass die ersten Betriebsmotoren (14) zwei sind, einer für jedes flexible Element des ersten Paars. (9a, 9b), und die zweiten Betriebsmotoren (15) zwei sind, einer für jedes flexible Element des zweiten Paars (10a, 10b).
  11. Maschine (1) nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, dass der erste lineare Aktuator (34) auf die erste Stützstruktur (12) gepasst ist, und der zweite lineare Aktuator (35) auf die zweite Stützstruktur (13) gepasst ist.
  12. Maschine (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Schieber (32) in Entsprechung zum ersten Paar flexibler Elemente (9a, 9b) angeordnet ist, und der zweite Schieber (33) in Entsprechung zum zweiten Paar flexibler Elemente (10a, 10b) angeordnet ist.
  13. Maschine (1) nach Anspruch 12, dadurch gekennzeichnet, dass jeder Schieber (32, 33) auf der vertikalen Liegeebene des entsprechenden Paars flexibler Elemente (9a, 9b, 10a, 10b) liegt und sich abwechselnd vorwärts und rückwärts entlang eines freien Eintrittsabschnitts eines der flexiblen Elemente (9a, 10a) bewegt.
  14. Maschine (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schleif- oder Fasenräder (20, 21) beweglich sind, um sich in Bezug auf die Bewegungsfläche (8) anzunähern und wegzubewegen, und dass diese automatische Einstellmittel (23) umfasst, die geeignet sind, um die Position der Schleif- oder Fasenräder (20, 21) in Bezug auf die Bewegungsfläche (8) einzustellen, und elektronisch mit der Verarbeitungs- und Steuereinheit (16) verbunden sind, die zur Steuerung ihres Betriebs geeignet ist.
EP14183839.1A 2010-03-08 2011-02-21 Maschine zum Schleifen plattenförmiger Elemente, insbesondere Fliesen und Kacheln aus Keramikmaterial, Natursteine, Glas oder dergleichen Active EP2853343B1 (de)

Applications Claiming Priority (2)

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ITMO2010A000056A IT1398656B1 (it) 2010-03-08 2010-03-08 Macchina per la rettifica di elementi lastriformi, particolarmente piastrelle e lastre in materiale ceramico, pietre naturali, vetro o simili
EP11713042.7A EP2544858B1 (de) 2010-03-08 2011-02-21 Maschine zum schleifen plattenförmiger elemente, z.b. fliesen und platten aus keramischem material, naturstein, glas usw.

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EP11713042.7A Active EP2544858B1 (de) 2010-03-08 2011-02-21 Maschine zum schleifen plattenförmiger elemente, z.b. fliesen und platten aus keramischem material, naturstein, glas usw.

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CN102837238A (zh) * 2012-09-19 2012-12-26 湖南三星磊洋玻璃机械有限公司 玻璃双边倒角装置
CN104084861A (zh) * 2014-07-09 2014-10-08 湖南三星玻璃机械有限公司 板材倒角圆角装置
CN104526486A (zh) * 2014-12-27 2015-04-22 河北盛伟基业玻璃钢集团有限公司 一种玻璃钢棒双端同步磨削装置
PL3313612T3 (pl) * 2015-06-23 2020-06-29 Ancora S.P.A. Szlifierka do elementów płytowych, zwłaszcza płytek i płyt ceramicznych, kamienia naturalnego, szkła lub podobnych materiałów
ITUA20163145A1 (it) * 2016-05-04 2017-11-04 Italvision S R L Macchina smerigliatrice
CN106826442A (zh) * 2017-03-16 2017-06-13 佛山市永盛达机械有限公司 一种万能异形磨边机
IT201700112496A1 (it) * 2017-10-06 2019-04-06 Italvision S R L Macchina squadratrice
CN108032169A (zh) * 2017-11-30 2018-05-15 重庆丰胜天家具有限公司 用于石材的传送设备
EP3581331B1 (de) 2018-06-13 2022-07-20 W-M GLASS Sp. z o.o. Set aus platten zum schleifen der kanten von glasplatten
IT201900002587A1 (it) 2019-02-22 2020-08-22 Soltek S R L Dispositivo per calibrare la posizione di elementi lastriformi e relativa macchina per la rettifica di elementi lastriformi
CN109759955B (zh) * 2019-03-11 2020-08-28 佛山市南海区卓迪机械有限公司 一种石板抛光设备
CN110549204A (zh) * 2019-08-28 2019-12-10 胡焰明 一种木板表面打磨设备
IT201900021648A1 (it) * 2019-11-19 2021-05-19 Soltek S R L Dispositivo di rilevamento dell’orientamento di un bordo di un elemento lastriforme e macchina comprendente detto dispositivo di rilevamento
CN110814919A (zh) * 2019-11-27 2020-02-21 利辛县天鑫玻璃制品有限公司 一种玻璃直线直边磨边机
CN110977670A (zh) * 2019-12-10 2020-04-10 江苏奥蓝工程玻璃有限公司 一种双银可钢化Low-e玻璃加工用双边磨机组
CN111805325B (zh) * 2020-07-22 2021-12-10 江西创驰橡胶有限公司 一种橡胶止水带成型后表面精细处理系统
CN112059802B (zh) * 2020-11-16 2021-02-05 广东金玻智能装备有限公司 一种板材在线倒角装置
CN112388455B (zh) * 2021-01-21 2021-06-29 机械科学研究总院江苏分院有限公司 一种打磨模组和打磨装置
CN113732865B (zh) * 2021-08-06 2022-08-02 晟光科技股份有限公司 一种lcd显示屏玻璃外屏生产处理装置
CN116765968B (zh) * 2023-08-23 2023-10-20 达州市雅森环保建材有限公司 一种玻璃刮痕修补抛光装置及抛光方法

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EP2544858B1 (de) 2014-09-24
EP2544858A1 (de) 2013-01-16
WO2011110907A1 (en) 2011-09-15
EP2853343A3 (de) 2015-04-22
ITMO20100056A1 (it) 2011-09-09
EP2853343A2 (de) 2015-04-01
IT1398656B1 (it) 2013-03-08

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