EP3277471B1 - Installation de découpage et procédé utilisant ladite installation - Google Patents

Installation de découpage et procédé utilisant ladite installation Download PDF

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Publication number
EP3277471B1
EP3277471B1 EP16714245.4A EP16714245A EP3277471B1 EP 3277471 B1 EP3277471 B1 EP 3277471B1 EP 16714245 A EP16714245 A EP 16714245A EP 3277471 B1 EP3277471 B1 EP 3277471B1
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EP
European Patent Office
Prior art keywords
blank
axis
carrier
cutting
tool
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EP16714245.4A
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German (de)
English (en)
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EP3277471A1 (fr
Inventor
Johannes Schweigl
Hubert Schwabegger
Joachim Karger
Gerhard Lindenthaler
Andreas Mimm
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D Swarovski KG
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D Swarovski KG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
    • B28D5/022—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels
    • B28D5/024—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels with the stock carried by a movable support for feeding stock into engagement with the cutting blade, e.g. stock carried by a pivoted arm or a carriage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
    • B28D5/0082—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
    • B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
    • B28D5/022—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels
    • B28D5/029—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels with a plurality of cutting blades

Definitions

  • the invention relates to a cutting system according to patent claim 1 and a method for a cutting system according to patent claim 9.
  • Cutting machines for the production of geometric workpieces such as cubes, cuboids or prisms are known.
  • a plurality or a multiplicity of workpieces are usually produced from a blank.
  • the blank is usually cuboid or misshapen.
  • the blank is first dismantled or cut into discs. These disks are in turn broken down or cut into bars. Finally, the rods are separated or cut into smaller element sections, i.e. in this step the workpieces are given the appropriate length for further processing, e.g. polishing.
  • the discs and rods are usually produced by means of multi-rip saws which have a plurality of saw blades on their spindle shaft.
  • the individual bars are also divided using the multi-blade saw.
  • these rods are usually manually applied individually to a holding device, which can also be designed as an adhesive tape.
  • the rods are arranged perpendicular to a longitudinal direction of the holding device in their longitudinal extension.
  • JP H09 207124 A discloses a cutting system according to the preamble of claim 1 having two tools in the form of a saw, each tool having a plurality of saw blades. The tools are also arranged in parallel. To produce rectangular workpieces, a blank is first machined with the first tool and before machining with the second tool is rotated through 90° so that a plurality of rectangular cubes are present.
  • the cutting system according to the invention which is designed to extend in the direction of a first system axis that extends horizontally along its width, a second system axis that extends vertically to the first system axis, and a third system axis that extends along its depth orthogonally to the first system axis and the second system axis, has a carrier on.
  • a tool in the form of a multi-bladed saw with a spindle shaft is accommodated on the carrier, the working direction of which is in the direction of the first system axis.
  • the tool is driven by the spindle shaft.
  • Another tool in the form of a chop saw with another spindle shaft, the working direction of which is also in the direction of the first system axis, is also accommodated on the carrier.
  • the additional tool is driven using the additional spindle shaft.
  • Both tools are used to machine a blank.
  • the tools are arranged in series in the direction of the first system axis.
  • the cutting system has a carrier element that is accommodated on the carrier so that it can be moved along the first system axis and the second system axis, the carrier element being provided for holding the blank, and the carrier element being rotatable about the second system axis, and the spindle shaft being configured orthogonally to the other spindle shaft .
  • the working direction is to be understood here as the relative movement between the blank and the tool that is required during the machining of the blank or semi-finished product.
  • the numerous process steps for producing workpieces in the form of cubes, parallelepipeds or prisms can be reduced with the aid of the cutting system according to the invention.
  • the basic processing steps for producing the workpieces from the blank are divided into making a grid-like incision in the blank and a cut across the incision, i.e. cutting.
  • the lattice-like incision results in a plurality of rods which, since the lattice-like incision does not completely penetrate the blank, are connected to one another via a core of the blank. By cutting, the rods are severed transversely to the direction in which they extend in order to bring about the workpieces.
  • the cutting system according to the invention offers the advantage that the blank, which is positioned on the carrier element, can be transported from tool to tool with the aid of the movable carrier element.
  • the blank is fixed to the carrier element at the beginning of the machining process and is fed to the tools for machining on the carrier element, possibly in a fully automated manner.
  • the Feeding the blank or a semi-finished product to the tools is much easier to handle than feeding the tools to the blank or semi-finished product.
  • the carrier element can be twisted or rotated about the second system axis, it is possible to make the grid-like incision by rotating the carrier element after a first incision with the same tool, which is designed as a multi-blade saw. Depending on the required cross-section of the workpiece, the carrier element can be rotated through any angle.
  • a further advantage is that the blank has an exact positioning relative to the working directions of the tools, since it is held on the carrier, which carries the tools, with the aid of the carrier element.
  • the carrier element is positioned along a first and second system axis that is fixed relative to the working directions. Incorrect positioning, such as that caused by manual removal and insertion of the blank after processing steps in the tool relevant for the next processing step, is thus ruled out. This means that the further process steps required between the processing steps, such as manual sorting and fixing of bars and/or discs, are no longer necessary.
  • a first linear axis extending in the direction of the first system axis is configured on the carrier for moving the carrier element in the direction of the first system axis
  • a second linear axis extending in the direction of the second system axis is configured on the carrier for moving the carrier element in the direction of the second system axis.
  • an additional tool in the form of a saw with an additional spindle shaft is accommodated on the carrier.
  • a further processing step can thus be carried out with the aid of the additional tool.
  • the blank containing the rods is first arranged accordingly for machining with the additional tool. Then it is moved along the first linear axis for further processing with the additional tool on the carrier.
  • the additional tool has a working direction in the direction of the first system axis. Since the additional tool is designed in the form of a multi-blade saw, the additional tool can be arranged in series on the carrier directly upstream or downstream of the tool.
  • the advantage is that the first incision or a first set of cuts is made by the tool and then the carrier element with the blank having the first set of cuts is rotated about the second system axis and positioned on the additional tool for processing.
  • a second incision or a second set of cuts which is transverse to the first set of cuts, is made in the blank.
  • a significant advantage of the additional tool can be seen in the fact that a first available between the individual saw blades of the multi-rip saw of the tool Distance deviates from a second distance between the individual saw blades of the multi-blade saw of the additional tool and thus workpieces that deviate from a cube can be produced in a simple manner without exchanging the tool on the carrier.
  • the carrier element is designed in such a way that it has a carrier plate for receiving the blank in a fixed manner.
  • a container is designed to receive the carrier plate, with a sieve through which a flow can pass being fixed to the carrier downstream of the container, the through-flow openings of which are smaller than workpieces produced from the blank.
  • the workpieces produced can be removed and removed from the tool with a coolant and lubricant from the tool, in particular the chop saw, where they accumulate in the container.
  • the coolant and lubricant can nevertheless be drained off by means of the sieve in order to avoid flooding the container.
  • An arrangement of a second container is advantageous, which is positioned in the outflow in series with the first container, since when the first container is completely filled, it can be removed from the cutting system and the workpieces can fall into the second container.
  • the container can preferably be coupled to the carrier. For example, if the container is hung on the carrier, the workpieces that have accumulated in the container can be removed from the cutting system simply by removing the container.
  • the chop saw has at least two saw blades.
  • the method according to the invention thus has three processing steps, which lead to the production of a plurality of workpieces from a blank. Compared to a prior art method, the processing steps are reduced. There are two positioning steps between the processing steps, which are characterized by the tools processing the blank. Since the positioning takes place due to the carrier element on the carrier along the first system axis and the second system axis, exact positioning with only two positioning steps relative to the tools is possible.
  • the first stack of cuts and the second stack of cuts are filled with a replacement material.
  • a replacement material By filling and thus filling the cutting packages with a substitute material, any chipping of the workpieces that may occur during cutting can be reduced. A possible scrap can thus be prevented or reduced, as a result of which manufacturing costs can be kept low.
  • the first positioning step also includes a movement of the carrier element along the first linear axis if the cutting system contains an additional tool in the form of a saw with an additional spindle shaft whose working direction is in the direction of the first system axis.
  • the blank is preferably positioned for the second and/or third work step along the first linear axis.
  • the blank preferably consists of cubic zirconia.
  • the advantage of cubic zirconia is its diamond-like properties. Due to its refractive index in particular, it is preferably used for gemstones, which can be produced quickly and in large numbers using the process.
  • a cutting system 1 according to the invention is gem. 1 educated.
  • the cutting system 1 comprises a carrier 2 for receiving a tool 3, hereinafter referred to as the first tool 3, with a first spindle shaft 13, and an additional tool 4, hereinafter referred to as the second tool 4, with a second spindle shaft 14 and a further tool 5, referred to below as the third tool 5, with a third spindle shaft 15.
  • the first tool 3 and the second tool 4 are designed in this exemplary embodiment in the form of a multi-bladed saw. In other words, the first tool 3 and the second tool 4 have a plurality of parallel saw blades 6 of the same size, see FIG. 2 .
  • the third tool 5 is in the form of a chop saw.
  • the tools 3, 4 and 5 are driven by means of their spindle shafts 13, 14 and 15.
  • the third spindle shaft 15 and the first spindle shaft 13 and the second spindle shaft 14 are arranged orthogonally, with the first spindle shaft 13 and the second spindle shaft 14 being arranged parallel to each other.
  • the cutting system 1 has a first system axis 7, in the direction of which the cutting system 1 is designed to extend in its width B. Furthermore, the cutting system 1 is designed to extend in the direction of a second system axis 8 and a third system axis 9 in terms of their height H and depth T, respectively.
  • the first system axis 7, the second system axis 8, and the third system axis 9 are positioned orthogonally to one another.
  • the system axes 7, 8 and 9 are shown symbolically in the form of a Cartesian coordinate system symbol.
  • a carrier element 10 is formed on the carrier 2 and can be rotated about a pivot axis which corresponds to the second system axis 8 .
  • the carrier element 10 is designed in the form of a rotary table and can be rotated or pivoted about the pivot axis 11 in the direction of the first arrow 12 .
  • the three tools 3, 4 and 5 are fixed to the carrier 2 so that they cannot move.
  • the carrier element 10 can be moved in the direction of the first system axis 7 and second system axis 8 , the carrier 10 having a first linear axis 16 or a second linear axis 17 for this purpose.
  • the advancement movement takes place along the first system axis 7 in the direction of the second arrow 20 .
  • the tools 3, 4 and 5 could also be movably accommodated on the carrier 2. That would mean, that the tools 3, 4 and 5 are assigned infeed and feed movements in addition to their cutting and capping functions.
  • the three tools 3, 4 and 5 with their spindle shafts 13, 14 and 15 are overhung on the cutting system 1 in order to implement a quick and easy tool change.
  • the cutting system 1 is designed in such a way that speeds of the tools 3, 4 and 5 of well over 15,000 rpm can be achieved.
  • a blank is immovably fixed on a carrier plate 18 .
  • the carrier plate 18 is attached to the carrier element 10 so that a relative movement is possible between the carrier plate 18 and the carrier element 10 .
  • the carrier element 10 is positioned relative to the first tool 3 in a first positioning step with the aid of the first linear axis 16 and second linear axis 17 designed to bring about the positioning or infeed movement, until a penetration depth to be achieved by the saw blades 6 in the blank is reached. This penetration depth corresponds to a required cutting depth.
  • the first tool 3 is activated, bringing the saw blades 6 into operation.
  • the carrier element 10 with the blank is moved along the first linear axis 16, which is designed for feed movement, in and through the first tool 3 in the first machining step.
  • the blank has a first set of cuts in the form of several parallel incisions.
  • the cuts or incisions are not designed to completely penetrate the blank.
  • the blank thus has discs produced by means of the cuts or incisions, which are connected to one another via a core of the blank.
  • a core is formed which includes the slices.
  • the discs formed on the core of the blank are also fixed immovably on the support plate 18 . Further fixation for the next processing step is therefore not necessary.
  • the carrier plate 18 is rotated about the pivot axis 11 through a certain angle a, which is necessary for the further cut.
  • a the carrier plate 18 is to be rotated about the pivot axis 11 by the angle ⁇ with a value of 90°.
  • the carrier element 10 is then moved with the blank having a first set of cuts along the first linear axis 16 and second linear axis 17 relative to the first tool 3 until a penetration depth into the blank that can be achieved by the saw blades 6 is reached.
  • the second tool 4 is activated, with its saw blades 6 being brought into operation.
  • the carrier element 10 with the blank is moved along the first linear axis 16, which is designed for feed movement, in and through the second tool 4 in the second processing step.
  • the blank now has a second set of cuts.
  • the first set of cuts and the second set of cuts together represent a crosscut.
  • the blank is now cut in the manner of a grid or has cuts in the manner of a grid. Since the second set of cuts is formed along the same axis direction in the blank as the first Cut package, there are rod-shaped workpiece elements, which are connected to each other via the blank core.
  • the carrier element 10 is positioned with the blank, which now has a stack of rods, via the first linear axis 16 and second linear axis 17 for processing with the third tool 5, the chop saw .
  • a corresponding feed is set with the aid of the first linear axis 16 and the bars are cut or capped to a specific length in the third processing step.
  • the workpieces produced which are in the form of cubes, prisms or cuboids, are transported away with the aid of a coolant which is used for cooling and lubricating the tools 3, 4 and 5 during operation.
  • the workpieces are collected in a trough-like container 19, which has a sieve for discharging the coolant, and are removed from the cutting system 1 with this.
  • the blank is filled with a replacement material before cutting. This means that the grid-like incisions are filled with a replacement material. This can prevent breakouts when cutting.
  • the blank can also be filled with the substitute material before the second cutting package is introduced.
  • the third tool 5 is designed in the form of a two-blade chop saw. This means that two cutting or trimming levels can be achieved with one feed position. This shortens the duration of the production of the workpieces.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (13)

  1. Installation de découpage, l'installation de découpage (1) étant réalisée comme s'étendant dans la direction d'un premier axe d'installation (7) s'étendant horizontalement le long d'une largeur (B) de l'installation de découpage (1), d'un deuxième axe d'installation (8) s'étendant verticalement par rapport au premier axe d'installation (7) et d'un troisième axe d'installation (9) s'étendant le long d'une profondeur (T) de l'installation de découpage et orthogonalement par rapport au premier axe installation (7) et au deuxième axe d'installation (8), présentant un support (2), un outil (3, 4) logé au niveau du support (2) sous forme d'une scie à plusieurs lames, présentant un arbre de broche (13, 14) dont la direction de travail s'étend dans la direction du premier axe installation (7), l'outil (3, 4) étant entraîné à l'aide de l'arbre de broche (13, 14), et un autre outil (5) logé au niveau du support (2) sous forme d'une scie à onglet présentant une autre arbre de broche (15), dont la direction de travail s'étend dans la direction du premier axe d'installation (7), l'autre outil (5) étant entraîné à l'aide de l'autre arbre de broche (15),
    les outils (3, 4, 5) servant à l'usinage d'une ébauche et les outils (3, 4, 5) étant agencés en série dans la direction du premier axe d'installation (7) et l'installation de découpage (1) présentant un élément support (10) logé au niveau du support (2) de manière mobile le long du premier axe d'installation (7),
    l'élément support (10) étant destiné à la fixation de l'ébauche et l'élément support (10) étant rotatif autour du deuxième axe d'installation (8),
    caractérisée en ce que l'élément support (10) est également logé au niveau du support (2) de manière mobile le long du deuxième axe d'installation (8) et en ce que l'arbre de broche (13, 14) est réalisé orthogonalement par rapport à l'autre arbre de broche (15).
  2. Installation de découpage selon la revendication 1,
    caractérisée en ce que, pour le déplacement de l'élément support (10) dans la direction du premier axe d'installation (7), un premier axe linéaire (16) s'étendant dans la direction du premier axe d'installation (7) et, pour le déplacement de l'élément support (10) dans la direction du deuxième axe d'installation (8), un deuxième axe linéaire (17) s'étendant dans la direction du deuxième axe d'installation (8) sont réalisés au niveau du support (2).
  3. Installation de découpage selon la revendication 1 ou 2,
    caractérisée en ce qu'un outil supplémentaire (4, 3) est logé au niveau du support (2).
  4. Installation de découpage selon la revendication 3,
    caractérisée en ce que l'outil supplémentaire (4, 3), sous forme d'une scie présentant un arbre de broche supplémentaire (14, 13), présente une direction de travail dans la direction du premier axe installation (7).
  5. Installation de découpage selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément support (10) est réalisé en présentant une plaque support (18) pour le logement fixé de l'ébauche.
  6. Installation de découpage selon la revendication 5,
    caractérisée en ce qu'un contenant (19), logeant la plaque support (18), est réalisé, un tamis pouvant être traversé étant fixé au niveau du support (2) en aval du contenant (19), dont les ouvertures de passage sont plus petites que les pièces fabriquées à partir de l'ébauche.
  7. Installation de découpage selon la revendication 6,
    caractérisée en ce que le contenant (19) peut être accouplé au support (2).
  8. Installation de découpage selon la revendication 7,
    caractérisée en ce que la scie à onglet présente au moins deux lames de scie.
  9. Procédé d'utilisation de l'installation de découpage selon l'une quelconque des revendications 2 à 4 ou 5 à 8 pour autant que la revendication 5 dépende de la revendication 2, dans lequel
    (a) dans une première étape de positionnement, l'ébauche est positionnée à l'aide de l'outil (3) pour l'usinage,
    (b) dans une première étape d'usinage, l'ébauche est pourvue d'un premier ensemble d'incisions,
    (c) après la première étape d'usinage, dans une deuxième étape de positionnement, l'ébauche dans l'installation de découpage (1) est tournée d'un angle (a) autour du deuxième axe d'installation (8),
    (d) dans une deuxième étape d'usinage, l'ébauche est pourvue d'un deuxième ensemble d'incisions qui est réalisé transversalement par rapport au premier ensemble d'incisions,
    (e) après la deuxième étape d'usinage, dans une troisième étape de positionnement, l'ébauche est déplacée le long d'un premier axe linéaire (16) pour l'usinage et
    (f) dans une troisième étape d'usinage, l'ébauche est coupée.
  10. Procédé selon la revendication 9, caractérisé en ce que, après la première et/ou la deuxième étape d'usinage et avant la troisième étape d'usinage, le premier ensemble d'incisions et le deuxième ensemble d'incisions sont remplis d'un matériau de remplacement.
  11. Procédé selon la revendication 9 ou 10, caractérisé en ce que, pour autant que l'installation de découpage (1) présente un outil supplémentaire (4, 3) sous forme d'une scie présentant un arbre de broche supplémentaire (14, 13) dont la direction de travail s'étend dans la direction du premier axe d'installation (7), la deuxième étape de positionnement présente en plus un déplacement de l'élément support (10) le long de premier axe linéaire (16).
  12. Procédé selon l'une quelconque des revendications 9 à 11,
    caractérisé en ce que le positionnement de l'ébauche pour la deuxième et/ou la troisième étape de travail s'effectue le long du premier axe linéaire (16).
  13. Procédé selon l'une quelconque des revendications 9 à 12,
    caractérisé en ce que l'ébauche est un zircon cubique.
EP16714245.4A 2015-03-28 2016-03-13 Installation de découpage et procédé utilisant ladite installation Active EP3277471B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15161552.3A EP3075509A1 (fr) 2015-03-28 2015-03-28 Machine à couper et procedée pour une maschine à couper
PCT/EP2016/055386 WO2016156019A1 (fr) 2015-03-28 2016-03-13 Installation de découpage et procédé pour une installation de découpage

Publications (2)

Publication Number Publication Date
EP3277471A1 EP3277471A1 (fr) 2018-02-07
EP3277471B1 true EP3277471B1 (fr) 2023-02-08

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EP15161552.3A Withdrawn EP3075509A1 (fr) 2015-03-28 2015-03-28 Machine à couper et procedée pour une maschine à couper
EP16714245.4A Active EP3277471B1 (fr) 2015-03-28 2016-03-13 Installation de découpage et procédé utilisant ladite installation

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EP15161552.3A Withdrawn EP3075509A1 (fr) 2015-03-28 2015-03-28 Machine à couper et procedée pour une maschine à couper

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US (1) US10507593B2 (fr)
EP (2) EP3075509A1 (fr)
JP (1) JP6670848B2 (fr)
KR (1) KR20170136537A (fr)
CN (1) CN107428030B (fr)
IL (1) IL254624B (fr)
RU (1) RU2701757C2 (fr)
TW (1) TWI699266B (fr)
WO (1) WO2016156019A1 (fr)

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CN111761133A (zh) * 2020-05-22 2020-10-13 贵州海澄科技有限公司 一种管道切割装置

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JP2002237472A (ja) 2001-02-07 2002-08-23 Disco Abrasive Syst Ltd 被加工物の切削方法
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RU2017133813A (ru) 2019-05-06
IL254624B (en) 2021-02-28
CN107428030A (zh) 2017-12-01
TW201641243A (zh) 2016-12-01
EP3075509A1 (fr) 2016-10-05
RU2701757C2 (ru) 2019-10-01
KR20170136537A (ko) 2017-12-11
RU2017133813A3 (fr) 2019-07-25
IL254624A0 (en) 2017-11-30
JP6670848B2 (ja) 2020-03-25
TWI699266B (zh) 2020-07-21
WO2016156019A1 (fr) 2016-10-06
JP2018510082A (ja) 2018-04-12
CN107428030B (zh) 2020-09-15
US20180104852A1 (en) 2018-04-19
US10507593B2 (en) 2019-12-17
EP3277471A1 (fr) 2018-02-07

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