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EP2065146B1 - Dispositif de coupe à vibrations et procédé destiné à la coupe à vibrations - Google Patents

Dispositif de coupe à vibrations et procédé destiné à la coupe à vibrations Download PDF

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Publication number
EP2065146B1
EP2065146B1 EP08020238.5A EP08020238A EP2065146B1 EP 2065146 B1 EP2065146 B1 EP 2065146B1 EP 08020238 A EP08020238 A EP 08020238A EP 2065146 B1 EP2065146 B1 EP 2065146B1
Authority
EP
European Patent Office
Prior art keywords
cutting
cutting tool
vibration
oscillating head
cut
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.)
Not-in-force
Application number
EP08020238.5A
Other languages
German (de)
English (en)
Other versions
EP2065146A1 (fr
Inventor
Christoph Manger
Jörg Sawatzki-Forster
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.)
Branson Ultraschall Niederlassung der Emerson Technologies GmbH and Co OHG
Original Assignee
Branson Ultraschall Niederlassung der Emerson Technologies GmbH and Co OHG
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 Branson Ultraschall Niederlassung der Emerson Technologies GmbH and Co OHG filed Critical Branson Ultraschall Niederlassung der Emerson Technologies GmbH and Co OHG
Publication of EP2065146A1 publication Critical patent/EP2065146A1/fr
Application granted granted Critical
Publication of EP2065146B1 publication Critical patent/EP2065146B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/086—Means for treating work or cutting member to facilitate cutting by vibrating, e.g. ultrasonically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/547—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member
    • B26D1/553—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member with a plurality of wire-like cutting members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/707—By endless band or chain knife
    • Y10T83/7076—With programming means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9292—Wire tool

Definitions

  • the present invention relates to a vibration cutting apparatus and a vibration cutting method.
  • Ultrasonic cutting is performed by oscillations in the kilohertz range at amplitudes of a micrometer cutting tool. Due to the up and down movement of the cutting sonotrodes, it is therefore comparable with chopping with a chop than with a conventional cutting. Ultrasonic cutting is used, for example, in the food industry.
  • the disadvantage of ultrasonic cutting is that the amplitudes of the cutting tool in the micrometer range make a toothed structure of the cutting tool ineffective, because the tooth dimension of the cutting tool is greater than the maximum realizable amplitude desselbigen.
  • the length of the cutting tool during ultrasonic cutting is less than 30 cm, since the cutting tool would otherwise become unstable during its operation.
  • DE 298 01 500 U1 describes a cutting frame for cutting material which can be cut by heating.
  • a cutting bar provided on a cutting frame is set in oscillatory pivoting motion to produce the cutting stroke of cutting wires.
  • the cutting movement is generated by an eccentric drive attached to the cutting frame or a crank mechanism with a connecting rod as drive element.
  • An ultrasonically excited cutting system with a vibrating cutting blade is also available in DE 195 37 826 C1 described.
  • the cutting system is superimposed with a mechanically generated translation movement.
  • the thus double-acting cutting system is characterized by a long-stroke controlled oscillation of a knife blade with a controlled ultrasonic exciter for the tool.
  • the tool is a long-trained knife, which is attached on both sides via appropriate fasteners to a bracket.
  • the bracket itself is mounted in corresponding bearings, which are assigned on one side a longitudinal drive and a clutch and which is executed on the opposite side with a clamping device.
  • an ultrasonic transducer is arranged, each consisting of piezoceramics with the associated to the half wavelength of the ultrasonic frequency matched end masses.
  • the vibration cutting device has the following features: at least one first oscillating head, consisting of a mass body and an electromagnetic drive, a controller with which the first oscillating head is selectively electrically energized to perform vibrations in a frequency range below the kilohertz range, and one between a first and a second holder arranged cutting tool, while at least the first holder is connected to the first oscillating head, so that mechanical vibrations of the first oscillating head are transferable to the cutting tool, so that the cutting tool with an amplitude ⁇ 5 mm, parallel to the longitudinal axis of the cutting tool deflectable is, wherein the oscillating head is connected via a spring assembly with the first holder.
  • the device With the aid of the device according to the invention, mechanical vibrations with a frequency below the ultrasonic range are transmitted to a cutting tool.
  • This specifically selected frequency range opens up the possibility of using both the oscillating movement of the cutting tool and a special geometry of the cutting tool, for example saw teeth, in combination.
  • the oscillating head used is known for example from the vibration welding of plastics and is characterized by a long service life and low wear. While the cutting tool is attached to the two brackets, the vibrations of the at least one oscillating head are introduced into only one or both brackets. In a vibration introduction in only one holder, for example, the other holder or only the other end of the cutting tool is resiliently mounted to follow the unilaterally introduced vibration.
  • vibration cutting device whose oscillating head is connected via a spring assembly with the first holder.
  • a second oscillating head in combination with the first oscillating head insert, which is connected to the second holder, while the first and the second oscillating head are electrically and / or mechanically coupled.
  • the use of the spring assembly in combination with one or more oscillating heads helps to control and maintain the necessary cutting vibrations in the cutting tool.
  • one, two or a plurality of oscillating heads can be used in combination, which transmit the cutting movement to the cutting tool.
  • they are controlled by a common electrical control circuit.
  • Based on this electrical coupling of the at least two oscillating heads they are controlled in such a way that the oscillation energy generated by them optimally complements.
  • a mechanical coupling of the at least two oscillating heads applicable. Such a mechanical coupling is realized for example via a rigid connection between the at least two oscillating heads, which supports a synchronous control of the at least two oscillating heads.
  • the vibration cutting apparatus it is preferable to operate the vibration cutting apparatus in a frequency range of 50 to 500 Hz, preferably 50 to 60 Hz.
  • the cutting tool is deflected with an amplitude of ⁇ 5 mm parallel to the longitudinal axis of the cutting tool.
  • cutting tools having a length in the range of 10 to 150 cm, preferably 30 to 100 cm, are used in a further embodiment.
  • find cutting tools application for example, consist of a smooth blade, a toothed blade, a wire or a rope.
  • the vibration cutting device comprises a work table for a product to be cut, while the work table is at least perpendicular to the longitudinal axis of the cutting tool, preferably in all three spatial directions, or the cutting tool is movable parallel to the work table, preferably in all three spatial directions.
  • a product to be cut is selectively supplied to the vibratory cutting device.
  • the product to be cut is held by the work table, attached to it, fed through it to the vibratory cutting device and / or discharged through it by the vibration cutting device.
  • the attachment and targeted supply and removal of the product to be cut by a movement perpendicular to the longitudinal axis of the cutting tool can be realized. This is done by moving the work table itself.
  • the product to be cut is arranged on this conveyor belt, so that the supply and removal of the product to be cut to / from the cutting tool and a controlled movement of the cutting tool through the product to be cut are effected via the conveyor belt.
  • the work table is movable in all three spatial directions, so that a product to be cut in relation to the cutting tool is arbitrarily positionable.
  • such mobility of the work table ensures that a cut in any direction by the product to be cut is feasible.
  • the work table is firmly installed and thus the product to be cut is held in a defined position.
  • the cutting tool is movable at least parallel to the upper bearing surface of the work table. It is also advantageous if the cutting tool is movable in all three spatial directions, so that despite the fixed work table any cut can be realized by the product to be cut.
  • this comprises a plurality of cutting tools, which are simultaneously movable by a product to be cut. It is preferred to align the plurality of cutting tools with respect to their respective longitudinal axis parallel and / or angularly to one another. Furthermore, it is preferable to arrange the plurality of cutting tools offset parallel to one another and / or perpendicular to their cutting direction.
  • the present invention also discloses a method for vibration welding, comprising the steps of: exciting at least one first oscillating head consisting of a mass body and an electromagnetic drive to oscillate in a frequency range below the kilohertz range, preferably between 50 and 500 Hz by energizing the electromagnetic drive, Transmitting the vibrations to a cutting tool by a mechanical coupling between the first oscillating head and the cutting tool, so that the cutting tool is deflected with an amplitude of ⁇ 5 mm parallel to the longitudinal axis of the cutting tool, wherein the oscillating head is connected via a spring assembly with the first holder and Moving a work table with a product to be cut perpendicular to the longitudinal axis of the cutting tool so that the product is cut becomes.
  • this optionally comprises the following steps: exciting at least the first and a second oscillating head, which are mechanically and / or electrically coupled to one another, and deflecting the cutting tool at a frequency of 50 to 60 Hz and / or an amplitude of ⁇ 5 mm parallel to the longitudinal axis of the cutting tool.
  • exciting at least the first and a second oscillating head which are mechanically and / or electrically coupled to one another
  • deflecting the cutting tool at a frequency of 50 to 60 Hz and / or an amplitude of ⁇ 5 mm parallel to the longitudinal axis of the cutting tool.
  • Fig. 1 shows a first embodiment of the vibration cutting device 1 according to the present invention.
  • the vibration cutting device 1 comprises a vibrating head 10 which is connected to a vibrating plate 15.
  • the oscillating head 10, the example of Fig. 4 is explained in more detail, consists of a mass body and an electromagnetic drive.
  • the electromagnetic drive of the oscillating head 10 is connected to a controller, so that with the oscillating head 10 specifically mechanical vibrations of a certain frequency range can be generated.
  • This frequency range is between 50 and 500 Hz, ie below the ultrasonic range with frequencies in the kilohertz range.
  • the oscillating head (s) of the vibratory cutting device 1 are controlled such that a cutting tool 50 is moved at a frequency of 50 to 500 Hz, preferably 50 to 60 Hz.
  • the construction of the oscillating head 10 corresponds to that of the second oscillating head 70, which is arranged opposite the first oscillating head 10.
  • the oscillating heads 10, 70 comprise a mass body 12, 72 and an electromagnetic drive 14, 74 consisting of an energizable coil arrangement 14a, 74a and a soft iron arrangement 14b, 74b, which lie on a common drive axis A. Between coil assembly 14a, 74a and soft iron assembly 14b, 74b is an air gap. By energizing the coil assembly 14a, 74a, the soft iron assembly 14b, 74b is vibrated.
  • the soft iron assembly 14b, 74b is connected via a spring assembly 60 to the holder 30, 40 for the cutting tool 50 (see. Fig. 4 ).
  • the soft iron assembly (not shown) is connected to the holder 30, 40, while the holder 30, 40 are resiliently mounted on the bridge body 80 via the spring packs 60.
  • the spring assembly 60 for example, from plate spring-like spring washers (see. Fig. 4 ) or from a comb-like spring construction according to Fig. 2 , Structure and operation of the vibrating heads 10, 70 described above are also in the DE 10 2006 011 974 and the EP 1 772 253 described.
  • the cutting tool 50 is fixed to the first 30 and second bracket 40.
  • the brackets 30, 40 are each vibrated by a vibrating head 10, 70 or only by one or more common oscillating heads. It is likewise conceivable to oscillate only one end of the cutting tool 50 or only one holder 30 by coupling to a vibrating head 10.
  • the other end of the cutting tool 50 and / or the other holder 40 is resilient, for example.
  • a spring assembly and / or mounted in a plain bearing to assist the movements of the cutting tool 50.
  • the simplest embodiment of the vibratory cutting device 1 would consist of a spring assembly arranged at one end of the cutting tool 50, the Cutting tool 50 and a arranged at the other end of the cutting tool 50 oscillating head.
  • the present vibration cutting device is set by these a plurality of cutting tools 50 in vibration.
  • the plurality of cutting tools 50 serve to simultaneously make multiple cuts in the product to be cut. For example, it is conceivable to cut a cake into three parts at the same time with the aid of the vibration cutting device 50.
  • two or three cutting tools 50 are attached to the first 30 and second holders 40 in the manner described above.
  • the plurality of cutting tools 50 with respect to the cutting direction by the product to be cut offset from one another perpendicular to each other, that is arranged at a certain distance. This distance between the cutting tools 50 defines, for example, the thickness of a layer to be cut out of the product to be cut.
  • these are preferably also offset parallel to the cutting direction by the product to be cut offset from one another. Based on this arrangement, it is ensured that the cutting tools 50 successively cut the product to be cut. This prevents the material displaced during cutting from hindering the cutting operation of another cutting tool 50.
  • the plurality of cutting tools 50 are offset in relation to each other both in height and in depth.
  • the plurality or a part of the cutting tools 50 are not arranged parallel to one another. Angular orientations with respect to one another are also conceivable with respect to the longitudinal axes of the cutting tools 50 in order to achieve specific cutting patterns in the product to be cut.
  • the first 30 and second holder 40 are equipped with a clamping device 34, 44 and a clamping device 32, 42 for the cutting tool 50 (see. Fig. 1 . 2 ).
  • the clamping device 34, 44 ensures a precise holding and guiding of the cutting tool 50.
  • the clamping device 32, 42 allows a biasing and / or retightening of the cutting tool 50.
  • the design and necessity of the clamping-34, 44 and clamping device 32, 42 is dependent on the shape and use of the cutting tool 50.
  • the cutting tool 50 is formed according to various embodiments by a smooth blade, a toothed blade, a wave-profiled blade, a wire or a rope.
  • the cutting tool 50 is about 10 to 150 cm long, preferably 30 to 100 cm.
  • the vibrations generated by one or a plurality of oscillating heads 10, 70 are transmitted via the holders 30, 40 to the cutting tool 50 in such a way that the cutting tool 50 is deflected in the direction of its longitudinal axis.
  • the oscillations performed by the cutting tool 50 in this way parallel to its longitudinal axis are predetermined in frequency and amplitude by the control of the oscillating heads 10, 70.
  • the cutting tool 50 oscillates with amplitudes in the range of 5 to -5 mm. This amplitude range corresponds to the dimensions of, for example, a tooth structure of a toothed blade, so that the tooth structure is moved sawing in the product to be cut.
  • the intersecting reciprocating motions and geometry of the cutting tool 50 such as saw teeth, complement each other to achieve optimum cutting action.
  • an electrical voltage is applied to the respective coil arrangement 14a, 74a.
  • This electrical voltage generates in the coil assembly 14a, 74a an electromagnetic force, which seeks to pull the soft iron assembly 14b, 74b and thus the holder 30, 40 against the restoring force of the spring assemblies 60 toward the coil assembly 14a, 74a.
  • the restoring force of the spring assemblies 60 moves the soft iron assembly 14b, 74b and thus the holder 30, 40 back to the rest position.
  • energy stored in the spring packs 60 is converted into a movement of the soft iron arrangement 14b, 74b and thus of the holders 30, 40 beyond their rest position.
  • the oscillating head 10, 70 operates particularly effectively when the operating frequency for the electrical control of the electromagnetic drive 14, 74 is that frequency which corresponds to the mechanical resonance frequency of the vibratory cutting device 1.
  • the mechanical resonance frequency results essentially from the spring rate of the spring assemblies 60 and the involved oscillating masses of the oscillating heads 10, 70.
  • 74 corresponds to the electrical resonance frequency of half the mechanical resonance frequency.
  • the at least two oscillating heads 10, 70 are not only connected mechanically via the cutting tool 50, but also via the bridge body 80.
  • the bridge body 80 connects the mass bodies of the vibrating heads 10, 70 so as to form a unitary mass system.
  • the coil assemblies 14a, 74a of the two oscillating heads 10, 70 are alternately electrically driven to produce harmonic vibration of the soft iron assemblies 14b, 74b, the brackets 30, 40, and the cutting tool 50.
  • the spring assemblies 60 of the two oscillating heads 10, 70 are thus only needed to return the oscillating head 10, 70 to its rest position or with the oscillating masses for generating a mechanical resonance frequency.
  • the deflections of the oscillating head 10, 70 from the rest position in both directions are generated by the two coil arrangements 14a, 74a, which are alternately electrically driven. In this way, a stable and reliable vibration cutting device 1 is provided, in which the cutting tool 50 performs a linear oscillation without superimposed vertical components.
  • the bridge body 80 it is conceivable to use the bridge body 80 or omit it. If the bridge body 80 is omitted, the two oscillating heads 10, 70 are mechanically decoupled. A mechanical connection between the two oppositely arranged oscillating heads 10, 70 takes place only via the cutting tool 50. Since, in this embodiment, a common frequency of the oscillations of the two oscillating heads 10, 70 does not automatically occur, a must appropriate electrical coupling or common control of the two oscillating heads are provided. In this control, the frequency and the amplitude of the oscillations of the two oscillating heads 10, 70 are controlled so that the frequency of the two oscillating heads 10, 70 coincides and the amplitudes are in opposite phase.
  • a vibratory cutting can thus be carried out, in which first at least one first oscillating head is excited to oscillate in a frequency range below the kilohertz range, preferably between 50 and 500 Hz.
  • the excited vibrations are transmitted to the cutting tool 50 through the various constructions described.
  • a work table 90 see. Fig. 4
  • the product is cut due to the vibrations of the cutting tool 50.
  • the mechanical and / or electrical couplings described above are used within the vibration cutting device 1.
  • the work table 90 can move parallel to the cutting direction, preferably in all three spatial directions, to make the desired cut, it is also preferred that the cutting tool 50 be moved while the work table 90 is fixedly installed.
  • the vibration cutting device 1 is arranged such that it is movable at least in the cutting direction, preferably in all three spatial directions. In this way, any cuts in a product to be cut can be realized. It is too it is conceivable to carry out the movement of work table 90 and / or vibration cutting device 1 in a computer-controlled manner in order to carry out a specific cut. On this basis, both cutting duration, cutting speed and cutting profile can be specified, changeable during cutting and optimally adaptable to different materials to be cut.
  • the work table 90 is adjustable only for positioning in two spatial directions, it would be sufficient if the vibration cutting device 1 were movable only in the third remaining spatial direction for cutting. In this way, the degrees of freedom in the movement would be arbitrarily divisible on worktable 90 and vibration cutting device 1.
  • the cutting tool 50 in an amplitude range of ⁇ 1 to 10 mm, according to the invention ⁇ 1 to 5 mm, parallel to its longitudinal axis deflected. In combination or alone, it is also preferable to oscillate the cutting tool 50 at a frequency of 50 to 60 Hz.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Claims (14)

  1. Dispositif de coupe à vibrations (1) avec les caractéristiques suivantes :
    a. au moins une première tête oscillante (10 ; 70),
    b. une commande permettant d'exciter électriquement la première tête d'oscillation (10) de façon ciblée, afin d'exécuter des oscillations dans une plage de fréquence inférieure à la plage du kiloHertz, et
    c. un outil de coupe (50) monté entre un premier (30) et un deuxième support (40), tandis qu'au moins le premier support (30) est relié à la première tête d'oscillation (10), de manière pouvoir transmettre des oscillations mécaniques de la première tête d'oscillation (10) à l'outil de coupe (50), caractérisé en ce que
    d. la première tête d'oscillation (10 ; 70) est constituée d'un corps de masse (12 ; 72) et d'un entraînement électromagnétique (14 ; 74),
    e. l'outil de coupe (50) peut être élongé avec une amplitude de ± 5 mm parallèlement à l'axe longitudinal (L) de l'outil de coupe (50), et
    f. la tête d'oscillation (10) est reliée au premier support (30) par le biais d'un paquet de ressorts (60).
  2. Dispositif de coupe à vibrations (1) selon la revendication 1, comprenant une deuxième tête d'oscillation (70) reliée au deuxième support (40), tandis que la première (10) et la deuxième tête d'oscillation (70) sont accouplées électriquement et/ou mécaniquement.
  3. Dispositif de coupe à vibrations (1) selon l'une des revendications précédentes, pouvant être actionné dans une plage de fréquence de 50 à 500 Hz, de préférence de 50 à 60 Hz.
  4. Dispositif de coupe à vibrations (1) selon l'une des revendications précédentes, dont l'outil de coupe (50) présente une longueur dans la plage de 10 à 150 cm, de préférence de 30 à 100 cm.
  5. Dispositif de coupe à vibrations (1) selon l'une des revendications précédentes, dont l'outil de coupe (50) est constitué d'une lame lisse, d'une lame dentée, d'un fil de fer ou d'un câble.
  6. Dispositif de coupe à vibrations (1) selon l'une des revendications précédentes, comprenant en outre une table de travail (90) pour un produit à couper, dans lequel la table de travail (90) peut être déplacée au moins perpendiculairement à l'axe longitudinal (L) de l'outil de coupe (50), de préférence dans les trois directions spatiales, ou dans lequel l'outil de coupe (50) peut être déplacé parallèlement à la table de travail (90), de préférence dans les trois directions spatiales.
  7. Dispositif de coupe à vibrations (1) selon l'une des revendications précédentes, comprenant une pluralité d'outils de coupe (50) aptes à être déplacés simultanément à travers un produit à couper.
  8. Dispositif de coupe à vibrations (1) selon la revendication 7, dont la pluralité d'outils de coupe (50) sont orientés parallèlement ou angulairement les uns aux autres par rapport à leur axe longitudinal respectif.
  9. Dispositif de coupe à vibrations (1) selon la revendication 7 ou 8, dont la pluralité d'outils de coupe (50) sont agencés en décalage les uns par rapport aux autres, parallèlement et/ou perpendiculairement à leur direction de coupe.
  10. Procédé destiné à la coupe à vibrations, comprenant les étapes suivantes :
    a. excitation d'au moins une première tête d'oscillation (10 ; 70) constituée d'un corps de masse (12 ; 72) et d'un entraînement électromagnétique (14 ; 74), de manière à produire des oscillations dans une plage de fréquence inférieure à la plage du kiloHertz, de préférence entre 50 et 500 Hz, en alimentant l'entraînement électromagnétique en courant,
    b. transmission des oscillations à un outil de coupe (50) par un accouplement mécanique entre la première tête d'oscillation (10) et l'outil de coupe (50), de manière à ce que l'outil de coupe (50) soit élongé avec une amplitude de ± 5 mm parallèlement à l'axe longitudinal (L) de l'outil de coupe (50), la tête d'oscillation (10) étant reliée au premier support (30) par le biais d'un paquet de ressorts, et
    c. déplacement d'une table de travail (90) avec un produit à couper, perpendiculairement à l'axe longitudinal (L) de l'outil de coupe (50), de manière à couper le produit.
  11. Procédé selon la revendication 10, comprenant l'étape supplémentaire suivante :
    excitation d'au moins la première (10) et d'une deuxième tête d'oscillation (50), lesquelles sont mécaniquement et/ou électriquement accouplées entre elles.
  12. Procédé selon la revendication 11, comprenant l'étape supplémentaire suivante :
    élongation de l'outil de coupe (50) avec une fréquence de 50 à 60 Hz et/ou une amplitude de ± 1 à 10 mm, de préférence ± 1 à 5 mm, parallèlement à l'axe longitudinal (L) de l'outil de coupe (50).
  13. Procédé selon la revendication 10, comprenant l'étape supplémentaire suivante :
    déplacement d'une pluralité d'outils de coupe (50) simultanément à travers un produit à couper.
  14. Procédé selon la revendication 13, comprenant l'étape supplémentaire suivante :
    déplacement de la pluralité d'outils de coupe (50) dans un agencement parallèle et/ou perpendiculaire à leur direction de coupe, en décalage les uns par rapport aux autres, à travers le produit à couper.
EP08020238.5A 2007-11-29 2008-11-20 Dispositif de coupe à vibrations et procédé destiné à la coupe à vibrations Not-in-force EP2065146B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710057468 DE102007057468B4 (de) 2007-11-29 2007-11-29 Vibrationsschneidvorrichtung und ein Verfahren zum Vibrationsschneiden

Publications (2)

Publication Number Publication Date
EP2065146A1 EP2065146A1 (fr) 2009-06-03
EP2065146B1 true EP2065146B1 (fr) 2015-08-26

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EP08020238.5A Not-in-force EP2065146B1 (fr) 2007-11-29 2008-11-20 Dispositif de coupe à vibrations et procédé destiné à la coupe à vibrations

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US (1) US20100288092A1 (fr)
EP (1) EP2065146B1 (fr)
JP (1) JP5442629B2 (fr)
CN (1) CN101909834B (fr)
DE (1) DE102007057468B4 (fr)
WO (1) WO2009068293A1 (fr)

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EP2551077A1 (fr) * 2011-07-26 2013-01-30 A O Schallinox GmbH Couteau de répartition de produits de processus en utilisant l'énergie à ultrasons et dispositif
CN102284970B (zh) * 2011-08-02 2013-03-13 浙江大学 非金属材料多丝线切割用的旋转超声换能器
DE202013003438U1 (de) 2013-04-12 2013-05-07 Food Technology Thielemann Ohg Vorrichtung zum Schneiden von Lebensmitteln, insbesondere Hochleistungs-Slicer
EP2803455A1 (fr) * 2013-05-13 2014-11-19 A O Schallinox GmbH Dispositif de coupe d'un produit de processus
US10252441B2 (en) 2013-08-28 2019-04-09 Corning Incorporated System and method for cutting a wet green ceramic article
CN106363683B (zh) * 2016-09-20 2018-08-10 山西天祥机械有限公司 一种钢线切割装置
FR3057195B1 (fr) * 2016-10-11 2019-04-19 Sodeva Tds Dispositif de mise en vibration par ultrasons d’un fil vibrant pour la decoupe de produits industriels, et notamment des produits alimentaires
CN107980834A (zh) * 2017-12-28 2018-05-04 安徽盼盼食品有限公司 一种用于切割糕点的装置
CN107873925A (zh) * 2017-12-28 2018-04-06 安徽盼盼食品有限公司 一种巧克力切割装置
JP7070311B2 (ja) * 2018-10-10 2022-05-18 株式会社デンソー 切断装置
DE102019100808A1 (de) * 2018-12-21 2020-06-25 Weber Maschinenbau Gmbh Breidenbach Käseteiler, Würfelschneider und Verfahren zum Schneiden eines Käseproduktes
EP3725500B1 (fr) 2019-04-16 2023-07-12 Branson Ultraschall Niederlassung der Emerson Technologies GmbH & Co. oHG Bloc-ressort pour dispositif de soudage par vibrations et dispositif de soudage par vibrations respectif
WO2022254621A1 (fr) * 2021-06-02 2022-12-08 三菱電機株式会社 Dispositif de commande numérique, dispositif d'apprentissage, dispositif d'inférence et procédé de commande numérique

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Also Published As

Publication number Publication date
DE102007057468B4 (de) 2012-10-04
DE102007057468A1 (de) 2009-06-10
EP2065146A1 (fr) 2009-06-03
US20100288092A1 (en) 2010-11-18
JP2011504816A (ja) 2011-02-17
CN101909834A (zh) 2010-12-08
WO2009068293A1 (fr) 2009-06-04
CN101909834B (zh) 2015-06-17
JP5442629B2 (ja) 2014-03-12

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