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EP2844441B1 - Cutting blade with a locking recess - Google Patents

Cutting blade with a locking recess Download PDF

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Publication number
EP2844441B1
EP2844441B1 EP13719740.6A EP13719740A EP2844441B1 EP 2844441 B1 EP2844441 B1 EP 2844441B1 EP 13719740 A EP13719740 A EP 13719740A EP 2844441 B1 EP2844441 B1 EP 2844441B1
Authority
EP
European Patent Office
Prior art keywords
cutting blade
blade
securing
rotation
slicing device
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.)
Active
Application number
EP13719740.6A
Other languages
German (de)
French (fr)
Other versions
EP2844441A1 (en
Inventor
Jörg SCHMEISER
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.)
GEA Food Solutions Germany GmbH
Original Assignee
GEA Food Solutions Germany GmbH
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 GEA Food Solutions Germany GmbH filed Critical GEA Food Solutions Germany GmbH
Publication of EP2844441A1 publication Critical patent/EP2844441A1/en
Application granted granted Critical
Publication of EP2844441B1 publication Critical patent/EP2844441B1/en
Active legal-status Critical Current
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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
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B26D7/2621—Means for mounting the cutting member for circular cutters
    • 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
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/02—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49963—Threaded fastener
    • 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
    • Y10T83/9372—Rotatable type
    • Y10T83/9396—Shear type
    • Y10T83/9399—Cutting edge wholly parallel to axis of rotation

Definitions

  • the present invention relates to a Hoch elaboratesaufschneidevortechnischevortechnische with a center of rotation and at least one mounting recess for attachment of the cutting blade to the Hoch intricatesaufschneidevortechnisch. Furthermore, the present invention relates to a high-performance slicing apparatus and method for assembling a cutting blade on a high-performance slicing apparatus.
  • Such cutting blades are known from the prior art, in particular the DE 10 2009 032974 known and can be designed for example as a circular or sickle blade. These cutting blades rotate at more than 1000 revolutions per minute about their center of rotation and at least partially have on their circumference a blade with which the product, in particular a food product, is divided into a plurality of disks.
  • the cutting knives have at least one fastening recess, for example a bore, through which a fastening means, for example a screw, is inserted.
  • the attachment means connects the cutting blade with a rotating, driven blade receptacle of a slicing device.
  • the cutting blades according to the prior art have the disadvantage that they are no longer connected to a failure of the fastener with the rotor, at least partially detach from the blade holder and thereby can lead to significant damage to property and / or personal injury.
  • the object is achieved with a high performance slicing apparatus according to claim 1.
  • the present invention relates to a slicing device with which, for example, food bars, in particular cheese, sausage and / or ham slices, are cut into food slices.
  • the slicing device has a rotating cutting blade which rotates about its center of rotation and separates the slices from the front end of the product.
  • the cutting blade cooperates with a so-called cutting edge, which acts as a counter knife and together with the cutting blade defines the so-called cutting plane.
  • an adjustable cutting gap is provided, the should be as small as possible to prevent "chopping" the discs. But the cutting gap must be so large that a contact between cutting blade and cutting edge is reliably prevented.
  • the cutting blade is arranged on a blade receptacle, which is connected to a rotating shaft or part of a rotating shaft.
  • the cutting blade on at least one mounting recess through which a fastening means, such as a screw is inserted.
  • a fastening means such as a screw
  • the cutting blade attaches the cutting blade to the contact surface of a knife holder.
  • the cutting blade on a plurality of mounting recesses, each receiving a fastener.
  • the fastening recess (s) are / are arranged at a distance from the center of rotation of the cutting blade.
  • the fastening recesses are arranged opposite one another or in a polygon, for example a triangle.
  • all fastening recesses are located on the same pitch circle around the center of rotation.
  • the cutting blade according to the invention has a securing recess through which and / or in which a securing means is inserted.
  • This recess is not a recess that receives a fastener.
  • This securing recess accommodates a securing means which prevents the cutting blade from becoming detached from the contact surface of the blade holder in the event of failure of the fastening means.
  • the securing recess is arranged in the center of rotation of the cutting blade.
  • the securing recess based on the axis of rotation of the cutting blade, not designed rotationally symmetrical.
  • the securing recess is mirror-symmetrical with respect to at least one, preferably two central axes.
  • the cross section of the securing recess increases with increasing distance from the center of rotation.
  • the securing recess in its edge region, at least in sections, a clamping means, which clamps the cutting blade between the contact surface of the blade holder and the securing means.
  • This clamping means preferably cooperates with a clamping means, which is provided on the blade holder, in particular on the securing means.
  • the clamping means is a bevel which cooperates with a bevel on the securing means, which wed against each other in a relative movement between the cutting blade and the blade receptacle.
  • this clamping means is designed so that increases the clamping force in case of failure of the fastener.
  • a vibration is produced which is detected and / or measured by the operating personnel and / or a sensor which is provided on or in the region of the slicing device. Due to this oscillation, the slicing device can then be controlled, preferably automatically, switched off.
  • the Hoch orientalschneidevorraum has a securing means which prevents failure of at least one, preferably all fasteners with which the cutting blade on the contact surface of the blade holder of Hoch orientaletzevorides, prevents the cutting blade from the blade receiving, which is preferably perpendicular to the axis of rotation of the cutting blade , uncontrolled triggers and thereby causes personal injury and / or property damage.
  • the securing means substantially prevents the distance between the contact surface of the blade receptacle and the cutting blade and / or the angle between the cutting blade and the contact surface of the blade receptacle being increased.
  • the securing means serves to be able to switch off the slicing device controlled in the event that a fastener fails.
  • the cross section of the securing means increases continuously with increasing distance from the contact surface of the cutting blade, preferably discontinuously.
  • the securing means can be reversibly changed in shape.
  • a mold allows the attachment or removal of the cutting blade of the blade holder. Another form prevents this.
  • the securing means has a joint and / or the cross section of the securing means can be reversibly enlarged or reduced.
  • the securing means may consist of several individual parts, but is preferably provided in one piece.
  • the securing means and / or the cutting blade are provided so that the cutting blade moves slightly in case of failure of the fastener.
  • the cross-sectional shape of the securing means corresponds in sections to the cross section of the securing recess, the securing means being smaller, preferably slightly smaller, than the securing recess, so that the securing means can be inserted into or through the securing recess.
  • the security of the cutting blade on the blade holder has the additional advantage that the attachment of the fastener is risk-free.
  • the securing recess and the securing means after assembly of the cutting blade on the blade holder cover at most partially.
  • the cutting blade is fastened with a bayonet lock on the blade holder.
  • the securing recess and securing means cooperate like a key / keyhole connection.
  • the high-performance slicing device has a rotation safeguard for the cutting blade which prevents the cutting blade from rotating to a position where it can be withdrawn from the securing means.
  • the cutting blade is clamped during rotation, in particular between the contact surface of the cutting blade and the securing means.
  • a fastener fails, a relative movement between the securing means and the cutting blade, whereby particularly preferably the clamping force is increased and / or noise is generated.
  • FIG. 1 shows an embodiment according to the invention of a slicing apparatus, in the present case a high-performance slicing apparatus, which cuts off up to 1000 slices and more per minute from a product.
  • the slicing device 5 has a knife 11 which cuts a food bar 2 into food slices 12.
  • each food bar 2 with a conveyor 4, here two conveyor belts 4, continuously or intermittently transported in the direction of the cutting plane 6 of the blade 11.
  • a storage table 1 which is provided with means of transport, on which they are each configured to a portion 14, here a stack.
  • These portions 14 are then removed from the cutting blade area and then packed.
  • the person skilled in the art recognizes that several food bars can be cut open at the same time.
  • the slice thickness results from the feed distance of the food bar between two cuts.
  • the slicing device may have one gripper (not shown) for each feed line, which grips the rear end 13 of the food bar 2 before or during the slicing process and stabilizes it during the slicing process.
  • the cutting blade preferably performs one or more idle cuts, ie it rotates at a constant speed, but does not cut any slices from the food bar.
  • the cutting blade according to the invention is moved away from the cutting plane and / or from the front end of the food bar 2, wherein the feed of the food bar is then at least interrupted. If necessary, the food bar is even withdrawn. Once the respective food portion has been transported away from the falling curve of the food slices, the knife is moved back into the cutting plane and a new portion can be cut open.
  • FIG. 2 shows the rotor 15 of the slicing device according to the invention.
  • This rotor 15 has a blade receptacle 24 with a contact surface 23 for the cutting blade 11.
  • the blade holder 24 may be integrally provided with the drive shaft of the rotor.
  • the cutting blade rests against the contact surface 23 and is fastened to the blade receptacle with at least one fastening means (not shown).
  • the slicing device according to the invention has a securing means 21.
  • the cutting blade is disposed between the abutment surface 23 and the securing means 21.
  • the securing means 21 is fastened to the blade receptacle 24 by means of a fastening means 25, here a screw. Between the head of the screw and the blade holder 24, a spring means 26 is provided, which biases the fastening means in the direction of the contact surface 23.
  • FIG. 3 shows the cutting blade 11 according to the invention, in the present case, a circular blade in two views.
  • This circular blade has two fastening recesses 16, which are arranged opposite one another to the center of rotation.
  • the two mounting recesses 16 are located on the same pitch circle.
  • a fastening means here a screw
  • the cutting blade according to the invention has a securing recess 17.
  • This securing recess 17 is not rotationally symmetrical and has in its edge region 19 a clamping means, here a bevel 20, which cooperates with a bevel, which is provided on the securing means, and thus clamped the cutting blade between the contact surface 23 and the securing means 21.
  • FIG. 4 shows the secured cutting blade on the rotor 15.
  • the securing means prevents the cutting blade from detaching from the blade holder and thus causing property damage and / or personal injury.
  • the slicing device according to the invention can be switched off in case of failure controlled. Then the anti-rotation lock is manually in Pressed down direction of the contact surface until the cutting blade can be rotated clockwise so far that the securing recess 17 and the securing means 21 are congruent. Thereafter, the cutting blade along the axis of rotation of the cutting blade can be deducted from the blade holder.
  • the cutting blade according to the invention is mounted on the blade holder, in which the securing recess of the cutting blade is first placed on the securing means 21 and then rotated clockwise or counterclockwise. Subsequently, the cutting blade is fastened with a fastening means on the blade holder. Preferably, the cutting blade is clamped during its rotation in the fastening position between the contact surface and the securing means.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Details Of Cutting Devices (AREA)
  • Food-Manufacturing Devices (AREA)

Description

Die vorliegende Erfindung betrifft eine Hochleistungsaufschneidevorrichtung mit einem Rotationsmittelpunkt und mindestens einer Befestigungsausnehmung zur Befestigung des Schneidmessers an der Hochleistungsaufschneidevorrichtung. Des Weiteren betrifft die vorliegende Erfindung eine Hochleistungsaufschneidevorrichtung und ein Verfahren zur Montage eines Schneidmessers an einer Hochleistungsaufschneidevorrichtung.The present invention relates to a Hochleistungsaufschneidevorrichtung with a center of rotation and at least one mounting recess for attachment of the cutting blade to the Hochleistungsaufschneidevorrichtung. Furthermore, the present invention relates to a high-performance slicing apparatus and method for assembling a cutting blade on a high-performance slicing apparatus.

Derartige Schneidmesser sind aus dem Stand der Technik, insbesondere der DE 10 2009 032974 bekannt und können beispielsweise als Kreis- oder Sichelmesser ausgeführt sein. Diese Schneidmesser drehen sich mit über 1000 Umdrehungen pro Minute um ihren Rotationsmittelpunkt und weisen an ihrem Umfang zumindest abschnittsweise eine Klinge auf, mit der das Produkt, insbesondere ein Lebensmittelprodukt, in eine Vielzahl von Scheiben zerteilt wird. Die Schneidmesser weisen mindestens eine Befestigungsausnehmung, beispielsweise eine Bohrung, durch die ein Befestigungsmittel, beispielsweise eine Schraube, gesteckt wird, auf. Das Befestigungsmittel verbindet das Schneidmesser mit einer sich drehenden, angetriebenen Messeraufnahme einer Aufschneidevorrichtung. Die Schneidmesser gemäß dem Stand der Technik weisen jedoch den Nachteil auf, dass sie bei einem Versagen des Befestigungsmittels nicht mehr mit dem Rotor verbunden sind, sich von der Messeraufnahme zumindest teilweise lösen und dadurch zu erheblichem Sach- und/oder Personenschaden führen können.Such cutting blades are known from the prior art, in particular the DE 10 2009 032974 known and can be designed for example as a circular or sickle blade. These cutting blades rotate at more than 1000 revolutions per minute about their center of rotation and at least partially have on their circumference a blade with which the product, in particular a food product, is divided into a plurality of disks. The cutting knives have at least one fastening recess, for example a bore, through which a fastening means, for example a screw, is inserted. The attachment means connects the cutting blade with a rotating, driven blade receptacle of a slicing device. However, the cutting blades according to the prior art have the disadvantage that they are no longer connected to a failure of the fastener with the rotor, at least partially detach from the blade holder and thereby can lead to significant damage to property and / or personal injury.

Es war deshalb die Aufgabe der vorliegenden Erfindung, eine Hochleistungsaufschneidevorrichtung zur Verfügung zu stellen, das die Nachteile des Standes der Technik nicht aufweist.It was therefore the object of the present invention to provide a high-performance slicing device which does not have the disadvantages of the prior art.

Gelöst wird die Aufgabe mit einer Hochleistungsaufschneidevorrichtung gemäß Anspruch 1.The object is achieved with a high performance slicing apparatus according to claim 1.

Die vorliegende Erfindung betrifft eine Aufschneidevorrichtung, mit der beispielsweise Lebensmittelriegel, insbesondere Käse-, Wurst- und/oder Schinkenriegel, in Lebensmittelscheiben aufgeschnitten werden. Dafür weist die Aufschneidevorrichtung ein rotierendes Schneidmesser auf, das sich um seinen Rotationsmittelpunkt dreht und von dem vorderen Ende des Produktes die Scheiben abtrennt. Dabei wirkt das Schneidmesser mit einer sogenannten Schneidkante zusammen, die als Gegenmesser fungiert und mit dem Schneidmesser zusammen die sogenannte Schneidebene definiert. Zwischen dem Schneidmesser und der Schneidkante ist ein einstellbarer Schneidspalt vorgesehen, der möglichst klein sein sollte, um ein "Abhacken" der Scheiben zu verhindern. Der Schneidspalt muss aber so groß sein, dass ein Kontakt zwischen Schneidmesser und Schneidkante sicher verhindert wird. Das Schneidmesser ist an einer Messeraufnahme angeordnet, die mit einer rotierenden Welle verbunden oder Teil einer rotierenden Welle ist. Für die Verbindung des Schneidmessers mit der Messeraufnahme weist das Schneidmesser mindestens eine Befestigungsausnehmung auf, durch die ein Befestigungsmittel, beispielsweise eine Schraube gesteckt wird. Beim Anziehen des Befestigungsmittels befestigt es das Schneidmesser an der Anlagefläche einer Messeraufnahme. Vorzugsweise weist das Schneidmesser mehrere Befestigungsausnehmungen auf, die jeweils ein Befestigungsmittel aufnehmen. Vorzugsweise ist/sind die Befestigungsausnehmung(en) mit Abstand von dem Rotationsmittelpunkt des Schneidmessers angeordnet. Besonders bevorzugt sind die Befestigungsausnehmungen einander gegenüberliegend oder in einem Vieleck, beispielsweise Dreieck, angeordnet. Besonders bevorzugt befinden sich alle Befestigungsausnehmungen auf demselben Teilkreis um den Rotationsmittelpunkt herum.The present invention relates to a slicing device with which, for example, food bars, in particular cheese, sausage and / or ham slices, are cut into food slices. For this purpose, the slicing device has a rotating cutting blade which rotates about its center of rotation and separates the slices from the front end of the product. In this case, the cutting blade cooperates with a so-called cutting edge, which acts as a counter knife and together with the cutting blade defines the so-called cutting plane. Between the cutting blade and the cutting edge, an adjustable cutting gap is provided, the should be as small as possible to prevent "chopping" the discs. But the cutting gap must be so large that a contact between cutting blade and cutting edge is reliably prevented. The cutting blade is arranged on a blade receptacle, which is connected to a rotating shaft or part of a rotating shaft. For the connection of the cutting blade with the blade holder, the cutting blade on at least one mounting recess through which a fastening means, such as a screw is inserted. When tightening the fastener it attaches the cutting blade to the contact surface of a knife holder. Preferably, the cutting blade on a plurality of mounting recesses, each receiving a fastener. Preferably, the fastening recess (s) are / are arranged at a distance from the center of rotation of the cutting blade. Particularly preferably, the fastening recesses are arranged opposite one another or in a polygon, for example a triangle. Particularly preferably, all fastening recesses are located on the same pitch circle around the center of rotation.

Um zu verhindern, dass sich das Schneidmesser bei einem Versagen des Befestigungsmittels unkontrolliert von der Anlagefläche der Messeraufnahme löst, weist das erfindungsgemäße Schneidmesser eine Sicherungsausnehmung auf, durch die und/oder in die ein Sicherungsmittel gesteckt wird. Bei dieser Ausnehmung handelt es sich nicht um eine Ausnehmung, die ein Befestigungsmittel aufnimmt. Diese Sicherungsausnehmung nimmt ein Sicherungsmittel auf, das verhindert, dass sich das Schneidmesser bei einem Versagen des/der Befestigungsmittel von der Anlagefläche der Messeraufnahme löst. Durch die Sicherungsausnehmung im Zusammenspiel mit dem Sicherungsmittel ist sichergestellt, dass sich das Schneidmesser nicht unkontrolliert von der Aufschneidevorrichtung löst, beispielsweise wenn sich die Messeraufnahme noch dreht. Dadurch können Unfälle mit Sach- und/oder Personenschaden sicher vermieden werden. Ein eventuell um das Schneidmesser vorgesehenes Gehäuse kann weniger aufwändig gestaltet werden.In order to prevent the cutting blade from uncontrollably releasing from the contact surface of the blade holder in case of failure of the fastener, the cutting blade according to the invention has a securing recess through which and / or in which a securing means is inserted. This recess is not a recess that receives a fastener. This securing recess accommodates a securing means which prevents the cutting blade from becoming detached from the contact surface of the blade holder in the event of failure of the fastening means. By the securing recess in conjunction with the securing means it is ensured that the cutting blade does not uncontrollably detached from the slicing, for example, when the blade holder is still rotating. This can safely prevent accidents involving property damage and / or personal injury. A possibly provided for the cutting blade housing can be made less expensive.

Erfindungsgemäß ist die Sicherungsausnehmung im Rotationsmittelpunkt des Schneidmessers angeordnet. Besonders bevorzugt ist die Sicherungsausnehmung, bezogen auf die Rotationsachse des Schneidmessers, nicht rotationssymmetrisch gestaltet. Vorzugsweise ist die Sicherungsausnehmung jedoch bezüglich mindestens einer, vorzugsweise zweier Mittelachsen spiegelsymmetrisch gestaltet. Erfindungsgemäß vergrößert sich der Querschnitt der Sicherungsausnehmung mit zunehmendem Abstand von dem Rotationsmittelpunkt. Besonders bevorzugt weist die Sicherungsausnehmung in ihrem Randbereich zumindest abschnittsweise ein Einspannmittel auf, das das Schneidmesser zwischen der Anlagefläche der Messeraufnahme und dem Sicherungsmittel einspannt.According to the invention, the securing recess is arranged in the center of rotation of the cutting blade. Particularly preferably, the securing recess, based on the axis of rotation of the cutting blade, not designed rotationally symmetrical. Preferably, however, the securing recess is mirror-symmetrical with respect to at least one, preferably two central axes. According to the invention, the cross section of the securing recess increases with increasing distance from the center of rotation. Particularly preferably, the securing recess in its edge region, at least in sections, a clamping means, which clamps the cutting blade between the contact surface of the blade holder and the securing means.

Dieses Einspannmittel wirkt vorzugsweise mit einem Einspannmittel, das an der Messeraufnahme, insbesondere an dem Sicherungsmittel, vorgesehen ist, zusammen. Beispielsweise handelt es sich bei dem Einspannmittel um eine Schräge, die mit einer Schräge an dem Sicherungsmittel zusammenwirkt, die sich bei einer Relativbewegung zwischen dem Schneidmesser und der Messeraufnahme gegeneinander verkeilen. Durch das Einspannen wird das Schneidmesser zusätzlich, insbesondere gegen Verdrehen, an der Messeraufnahme gesichert. Vorzugsweise ist dieses Einspannmittel so gestaltet, dass sich die Einspannkraft bei einem Versagen des Befestigungsmittels erhöht. Besonders bevorzugt entsteht dabei oder beim Versagen eines Befestigungsmittels eine Schwingung, die von dem Bedienpersonal und/oder einem Sensor, der an oder im Bereich der Aufschneidevorrichtung vorgesehen ist, erfasst und/oder gemessen wird. Aufgrund dieser Schwingung kann die Aufschneidevorrichtung dann kontrolliert, vorzugsweise automatisch, abgeschaltet werden.This clamping means preferably cooperates with a clamping means, which is provided on the blade holder, in particular on the securing means. For example, the clamping means is a bevel which cooperates with a bevel on the securing means, which wed against each other in a relative movement between the cutting blade and the blade receptacle. By clamping the cutting blade is additionally secured, in particular against rotation, on the blade holder. Preferably, this clamping means is designed so that increases the clamping force in case of failure of the fastener. Particularly preferably, or in the event of failure of a fastening means, a vibration is produced which is detected and / or measured by the operating personnel and / or a sensor which is provided on or in the region of the slicing device. Due to this oscillation, the slicing device can then be controlled, preferably automatically, switched off.

Erfindungsgemäß weist die Hochleistungsaufschneidevorrichtung ein Sicherungsmittel auf, das beim Versagen mindestens eines, vorzugsweise aller Befestigungsmittel, mit denen das Schneidmesser an der Anlagefläche der Messeraufnahme der Hochleistungsaufschneidevorrichtung befestigt ist, verhindert, dass sich das Schneidmesser von der Messeraufnahme, die vorzugsweise rechtwinklig zur Rotationsachse des Schneidmessers verläuft, unkontrolliert löst und dadurch einen Personen- und/oder Sachschaden verursacht. Mit dem Sicherungsmittel wird im Wesentlichen verhindert, dass sich der Abstand zwischen der Anlagefläche der Messeraufnahme und dem Schneidmesser und/oder der Winkel zwischen dem Schneidmesser und der Anlagefläche der Messeraufnahme vergrößert. Das Sicherungsmittel dient dazu, die Aufschneidevorrichtung kontrolliert abschalten zu können für den Fall, dass ein Befestigungsmittel versagt.According to the invention, the Hochleistungsaufschneidevorrichtung has a securing means which prevents failure of at least one, preferably all fasteners with which the cutting blade on the contact surface of the blade holder of Hochleistungsaufschneidevorrichtung, prevents the cutting blade from the blade receiving, which is preferably perpendicular to the axis of rotation of the cutting blade , uncontrolled triggers and thereby causes personal injury and / or property damage. The securing means substantially prevents the distance between the contact surface of the blade receptacle and the cutting blade and / or the angle between the cutting blade and the contact surface of the blade receptacle being increased. The securing means serves to be able to switch off the slicing device controlled in the event that a fastener fails.

Vorzugsweise vergrößert sich der Querschnitt des Sicherungsmittels mit zunehmendem Abstand von der Anlagefläche des Schneidmessers kontinuierlich, vorzugsweise diskontinuierlich. Vorzugsweise kann das Sicherungsmittel reversibel in seiner Form geändert werden. Eine Form erlaubt das Anbringen bzw. Entfernen des Schneidmessers von der Messeraufnahme. Eine andere Form verhindert dies. Beispielsweise weist das Sicherungsmittel ein Gelenk auf und/oder der Querschnitt des Sicherungsmittels kann reversibel vergrößert bzw. verkleinert werden. Das Sicherungsmittel kann aus mehreren Einzelteilen bestehen, ist aber vorzugsweise einstückig vorgesehen. Vorzugsweise sind das Sicherungsmittel und/oder das Schneidmesser so vorgesehen, dass sich das Schneidmesser bei einem Versagen des Befestigungsmittels etwas bewegt. Dadurch kann sich das Schneidmesser beispielweise zwischen der Anlagefläche und dem Sicherungsmittel verkeilen und/oder zusätzlich verkeilen, wodurch der Form- und/oder Kraftschluss zwischen dem Schneidmesser und dem Sicherungsmittel erhöht wird. Vorzugsweise entspricht die Querschnittsform des Sicherungsmittels abschnittsweise dem Querschnitt der Sicherungsausnehmung, wobei das Sicherungsmittel kleiner, vorzugsweise geringfügig kleiner, gestaltet ist als die Sicherungsausnehmung, so dass das Sicherungsmittel in die oder durch die Sicherungsausnehmung gesteckt werden kann.Preferably, the cross section of the securing means increases continuously with increasing distance from the contact surface of the cutting blade, preferably discontinuously. Preferably, the securing means can be reversibly changed in shape. A mold allows the attachment or removal of the cutting blade of the blade holder. Another form prevents this. For example, the securing means has a joint and / or the cross section of the securing means can be reversibly enlarged or reduced. The securing means may consist of several individual parts, but is preferably provided in one piece. Preferably, the securing means and / or the cutting blade are provided so that the cutting blade moves slightly in case of failure of the fastener. This allows the cutting blade, for example, between the contact surface and the securing means wedge and / or additionally wedge, whereby the positive and / or frictional connection between the cutting blade and the securing means is increased. Preferably, the cross-sectional shape of the securing means corresponds in sections to the cross section of the securing recess, the securing means being smaller, preferably slightly smaller, than the securing recess, so that the securing means can be inserted into or through the securing recess.

Die Sicherung des Schneidmessers an der Messeraufnahme hat zusätzlich den Vorteil, dass das Anbringen der Befestigungsmittel risikoloser ist.The security of the cutting blade on the blade holder has the additional advantage that the attachment of the fastener is risk-free.

Vorzugsweise überdecken sich die Sicherungsausnehmung und das Sicherungsmittel nach der Montage des Schneidmessers an der Messeraufnahme allenfalls noch teilweise.Preferably, the securing recess and the securing means after assembly of the cutting blade on the blade holder cover at most partially.

Vorzugsweise ist das Schneidmesser mit einem Bajonettverschluss an der Messeraufnahme befestigt. In einer anderen bevorzugten Ausführungsform wirken die Sicherungsausnehmung und das Sicherungsmittel wie eine Schlüssel/Schlüsselloch-Verbindung zusammen.Preferably, the cutting blade is fastened with a bayonet lock on the blade holder. In another preferred embodiment, the securing recess and securing means cooperate like a key / keyhole connection.

In einer bevorzugten Ausführungsform weist die Hochleistungsaufschneidevorrichtung eine Verdrehsicherung für das Schneidmesser auf, die verhindert, dass sich das Schneidmesser in eine Position dreht, in der es von dem Sicherungsmittel abgezogen werden kann.In a preferred embodiment, the high-performance slicing device has a rotation safeguard for the cutting blade which prevents the cutting blade from rotating to a position where it can be withdrawn from the securing means.

Vorzugsweise wird das Schneidmesser beim Drehen, insbesondere zwischen der Anlagefläche des Schneidmessers und dem Sicherungsmittel geklemmt. Vorzugsweise erfolgt beim Versagen eines Befestigungsmittels eine Relativbewegung zwischen dem Sicherungsmittel und dem Schneidmesser, wodurch besonders bevorzugt die Klemmkraft erhöht wird und/oder eine Geräuschentwicklung entsteht.Preferably, the cutting blade is clamped during rotation, in particular between the contact surface of the cutting blade and the securing means. Preferably, when a fastener fails, a relative movement between the securing means and the cutting blade, whereby particularly preferably the clamping force is increased and / or noise is generated.

Im Folgenden werden die Erfindungen anhand der Figuren 1 und 2 erläutert. Diese Erläuterungen sind lediglich beispielhaft und schränken den allgemeinen Erfindungsgedanken nicht ein.

Figur 1
zeigt die erfindungsgemäße Aufschneidevorrichtung.
Figur 2
zeigt die Montage des Schneidmessers an der Aufschneidevorrichtung.
Figur 3
zeigt das erfindungsgemäße Schneidmesser.
Figur 4
zeigt eine Verdrehsicherung.
In the following, the inventions are based on the FIGS. 1 and 2 explained. These explanations are merely exemplary and do not limit the general inventive concept.
FIG. 1
shows the slicing device according to the invention.
FIG. 2
shows the assembly of the cutting blade on the slicing device.
FIG. 3
shows the cutting blade according to the invention.
FIG. 4
shows an anti-rotation.

Figur 1 zeigt eine erfindungsgemäße Ausführungsform einer Aufschneidevorrichtung, in dem vorliegenden Fall einer Hochleistungsaufschneidevorrichtung, die bis zu 1000 Scheiben und mehr pro Minute von einem Produkt abschneidet. Die Aufschneidevorrichtung 5 weist ein Messer 11 auf, das einen Lebensmittelriegel 2 in Lebensmittelscheiben 12 schneidet. Dazu wird jeder Lebensmittelriegel 2 mit einem Fördermittel 4, hier zwei Förderbändern 4, kontinuierlich oder intermittierend in Richtung der Schneidebene 6 des Messers 11 transportiert. Nach dem Abschneiden fallen die Lebensmittelscheiben in der Regel auf einen Ablagetisch 1, der mit Transportmitteln versehen ist, auf dem sie zu jeweils einer Portion 14, hier einem Stapel, konfiguriert werden. Diese Portionen 14 werden sodann aus dem Schneidmesserbereich abtransportiert und danach verpackt. Der Fachmann erkennt, dass mehrere Lebensmittelriegel gleichzeitig aufgeschnitten werden können. Die Scheibenstärke ergibt sich aus der Vorschubstrecke des Lebensmittelriegels zwischen zwei Schnitten. Bei konstanter Messerdrehgeschwindigkeit erfolgt die Regelung der Scheibenstärke über die Vorschubgeschwindigkeit des Lebensmittelriegels. Die Aufschneidevorrichtung kann pro Vorschubtrasse einen Greifer (nicht dargestellt) aufweisen, der das rückwärtige Ende 13 des Lebensmittelriegels 2 vor oder während des Aufschneidens ergreift und diesen während des Aufschneidens stabilisiert.
Um insbesondere bei sehr hohen Schneidleistungen hinreichend viel Zeit für den Abtransport einer fertiggestellten Lebensmittelportion zu haben, führt das Schneidmesser vorzugsweise einen oder mehrere Leerschnitte aus, d. h. es dreht sich mit gleichbleibender Drehzahl, schneidet aber keine Scheiben von dem Lebensmittelriegel ab. Dafür wird das Schneidmesser erfindungsgemäß von der Schneidebene und/oder von dem vorderen Ende des Lebensmittelriegels 2 wegbewegt, wobei der Vorschub des Lebensmittelriegels dann zumindest unterbrochen wird. Gegebenenfalls wird der Lebensmittelriegel sogar zurückgezogen. Sobald die jeweilige Lebensmittelportion aus der Fallkurve der Lebensmittelscheiben wegtransportiert worden ist, wird das Messer wieder zurück in die Schneidebene bewegt und eine neue Portion kann aufgeschnitten werden. FIG. 1 shows an embodiment according to the invention of a slicing apparatus, in the present case a high-performance slicing apparatus, which cuts off up to 1000 slices and more per minute from a product. The slicing device 5 has a knife 11 which cuts a food bar 2 into food slices 12. For this purpose, each food bar 2 with a conveyor 4, here two conveyor belts 4, continuously or intermittently transported in the direction of the cutting plane 6 of the blade 11. After cutting the food slices usually fall on a storage table 1, which is provided with means of transport, on which they are each configured to a portion 14, here a stack. These portions 14 are then removed from the cutting blade area and then packed. The person skilled in the art recognizes that several food bars can be cut open at the same time. The slice thickness results from the feed distance of the food bar between two cuts. At a constant blade rotation speed, the regulation of the slice thickness is carried out via the feed speed of the food bar. The slicing device may have one gripper (not shown) for each feed line, which grips the rear end 13 of the food bar 2 before or during the slicing process and stabilizes it during the slicing process.
In order to have sufficient time for the removal of a finished food portion, especially at very high cutting performance, the cutting blade preferably performs one or more idle cuts, ie it rotates at a constant speed, but does not cut any slices from the food bar. For the cutting blade according to the invention is moved away from the cutting plane and / or from the front end of the food bar 2, wherein the feed of the food bar is then at least interrupted. If necessary, the food bar is even withdrawn. Once the respective food portion has been transported away from the falling curve of the food slices, the knife is moved back into the cutting plane and a new portion can be cut open.

Figur 2 zeigt den Rotor 15 der erfindungsgemäßen Aufschneidevorrichtung. Dieser Rotor 15 weist eine Messeraufnahme 24 mit einer Anlagefläche 23 für das Schneidmesser 11 auf. Die Messeraufnahme 24 kann einstückig mit der Antriebswelle des Rotors vorgesehen sein. Das Schneidmesser liegt an der Anlagefläche 23 an und ist mit mindestens einem Befestigungsmittel (nicht dargestellt) an der Messeraufnahme befestigt. Um im Falle des Versagens des Befestigungsmittels zu verhindern, dass sich das Schneidmesser 11 unkontrolliert von der Anlagefläche 23 der Messeraufnahme 24 löst, weist die erfindungsgemäße Aufschneidevorrichtung ein Sicherungsmittel 21 auf. Das Schneidmesser ist zwischen der Anlagefläche 23 und dem Sicherungsmittel 21 angeordnet. Das Sicherungsmittel 21 wird an der Messeraufnahme 24 mittels eines Befestigungsmittels 25, hier einer Schraube, befestigt. Zwischen dem Kopf der Schraube und der Messeraufnahme 24 ist ein Federmittel 26 vorgesehen, das das Befestigungsmittel in Richtung der Anlagefläche 23 vorspannt. FIG. 2 shows the rotor 15 of the slicing device according to the invention. This rotor 15 has a blade receptacle 24 with a contact surface 23 for the cutting blade 11. The blade holder 24 may be integrally provided with the drive shaft of the rotor. The cutting blade rests against the contact surface 23 and is fastened to the blade receptacle with at least one fastening means (not shown). In order to prevent the cutting blade 11 in case of failure of the fastener uncontrolled from the contact surface 23 of the blade holder 24 triggers, the slicing device according to the invention has a securing means 21. The cutting blade is disposed between the abutment surface 23 and the securing means 21. The securing means 21 is fastened to the blade receptacle 24 by means of a fastening means 25, here a screw. Between the head of the screw and the blade holder 24, a spring means 26 is provided, which biases the fastening means in the direction of the contact surface 23.

Figur 3 zeigt das erfindungsgemäße Schneidmesser 11, in dem vorliegenden Fall ein Kreismesser in zwei Ansichten. Dieses Kreismesser weist zwei Befestigungsausnehmungen 16 auf, die zu dem Rotationsmittelpunkt einander gegenüber liegend angeordnet sind. Die beiden Befestigungsausnehmungen 16 befinden sich auf demselben Teilkreis. In die Befestigungsausnehmungen wird jeweils ein Befestigungsmittel, hier eine Schraube, eingeführt und mit der Messeraufnahme verschraubt, so dass das Schneidmesser fest an der Anlagefläche 23 anliegt und mit der Messeraufnahme verbunden ist. Im Zentrum d. h. im Bereich des Rotationsmittelpunktes 18 weist das erfindungsgemäße Schneidmesser eine Sicherungsausnehmung 17 auf. Diese Sicherungsausnehmung 17 ist nicht rotationssymmetrisch gestaltet und weist in ihrem Randbereich 19 ein Einspannmittel, hier eine Schräge 20, auf, die mit einer Schräge, die an dem Sicherungsmittel vorgesehen ist, zusammenwirkt und somit das Schneidmesser zwischen der Anlagefläche 23 und dem Sicherungsmittel 21 eingespannt. FIG. 3 shows the cutting blade 11 according to the invention, in the present case, a circular blade in two views. This circular blade has two fastening recesses 16, which are arranged opposite one another to the center of rotation. The two mounting recesses 16 are located on the same pitch circle. In each of the fastening recesses a fastening means, here a screw, is inserted and screwed to the blade receptacle, so that the cutting blade rests firmly against the contact surface 23 and is connected to the blade receptacle. In the center ie in the region of the center of rotation 18, the cutting blade according to the invention has a securing recess 17. This securing recess 17 is not rotationally symmetrical and has in its edge region 19 a clamping means, here a bevel 20, which cooperates with a bevel, which is provided on the securing means, and thus clamped the cutting blade between the contact surface 23 and the securing means 21.

Figur 4 zeigt das gesicherte Schneidmesser an dem Rotor 15. Nachdem die Sicherungsausnehmung 17 auf das Sicherungsmittel 21 gesteckt worden ist und das Schneidmesser an der Anlagefläche 23 anliegt, wird es gegen den Uhrzeigersinn gedreht, so dass die Sicherungsausnehmung 17 nicht mehr deckungsgleich mit dem Befestigungsmittel 21 ist. In dem vorliegenden Fall wird das Schneidmesser so lange gegen den Uhrzeigersinn gedreht, bis eine Verdrehsicherung 22, die in dem vorliegenden Fall verschieblich, vorzugsweise parallel zu der Rotationsachse des Schneidmessers und federnd gelagert ist und die von dem Schneidmesser in die Anlagefläche 23 gedrückt worden ist, wieder in die Sicherungsausnehmung 17 zurückspringt und somit eine Verdrehung des Schneidmessers im Uhrzeigersinn verhindert. Durch das Sicherungsmittel 17 wird sichergestellt, dass sich das Schneidmesser nicht von der Anlagefläche 23 lösen kann. Im Falle eines Versagens des Befestigungsmittels (nicht dargestellt), verhindert das Sicherungsmittel, dass sich das Schneidmesser von der Messeraufnahme löst und somit einen Sach- und/oder Personenschaden verursacht. Die erfindungsgemäße Aufschneidevorrichtung kann im Versagensfall kontrolliert abgeschaltet werden. Dann wird die Verdrehsicherung manuell in Richtung der Anlagefläche gedrückt, bis das Schneidmesser im Uhrzeigersinn soweit gedreht werden kann, dass die Sicherungsausnehmung 17 und das Sicherungsmittel 21 deckungsgleich sind. Danach kann das Schneidmesser entlang der Rotationsachse des Schneidmessers von der Messeraufnahme abgezogen werden. FIG. 4 shows the secured cutting blade on the rotor 15. After the securing recess 17 has been placed on the securing means 21 and the cutting blade rests against the contact surface 23, it is rotated counterclockwise, so that the securing recess 17 is no longer congruent with the fastening means 21. In the present case, the cutting blade is rotated counterclockwise until an anti-rotation 22, which is displaceable in the present case, preferably parallel to the axis of rotation of the cutting blade and resiliently and has been pressed by the cutting blade in the contact surface 23, springs back into the securing recess 17 and thus prevents rotation of the cutting blade in a clockwise direction. By the securing means 17 ensures that the cutting blade can not be detached from the contact surface 23. In the event of failure of the fastener (not shown), the securing means prevents the cutting blade from detaching from the blade holder and thus causing property damage and / or personal injury. The slicing device according to the invention can be switched off in case of failure controlled. Then the anti-rotation lock is manually in Pressed down direction of the contact surface until the cutting blade can be rotated clockwise so far that the securing recess 17 and the securing means 21 are congruent. Thereafter, the cutting blade along the axis of rotation of the cutting blade can be deducted from the blade holder.

Das erfindungsgemäße Schneidmesser wird an der Messeraufnahme montiert, in dem die Sicherungsausnehmung des Schneidmessers zunächst auf das Sicherungsmittel 21 gesteckt wird und sodann im oder gegen den Uhrzeigersinn gedreht wird. Anschließend wird das Schneidmesser mit einem Befestigungsmittel an der Messeraufnahme befestigt. Vorzugsweise wird das Schneidmesser während seiner Drehung in die Befestigungsstellung zwischen der Anlagefläche und dem Sicherungsmittel eingespannt.The cutting blade according to the invention is mounted on the blade holder, in which the securing recess of the cutting blade is first placed on the securing means 21 and then rotated clockwise or counterclockwise. Subsequently, the cutting blade is fastened with a fastening means on the blade holder. Preferably, the cutting blade is clamped during its rotation in the fastening position between the contact surface and the securing means.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Ablagetischtray table
22
LebensmittelriegelFood bar
33
Mittel zur Erzeugung einer Gas-, insbesondere LuftströmungMeans for generating a gas, in particular air flow
44
TransportmittelMode of Transport
55
HochleistungsaufschneidevorrichtungHochleistungsaufschneidevorrichtung
66
Schneidebenecutting plane
77
Axial-/Radial-LagerAxial / radial bearing
88th
Verbindungsmittelconnecting means
99
Abdeckungcover
1010
Messeraufnahmeknife receiver
1111
Schneidmesser, KreismesserCutting knife, circular knife
1212
LebensmittelscheibenFood slices
1313
rückwärtiges Enderear end
1414
Portionportion
1515
Rotorrotor
1616
Befestigungsausnehmungmounting recess
1717
Sicherungsausnehmungsecuring recess
1818
RotationsmittelpunktCenter of rotation
1919
Randbereich der SicherungsausnehmungEdge region of the securing recess
2020
Einspannmittel, SchrägeClamping means, bevel
2121
Sicherungsmittelsecuring means
2222
Verdrehsicherungtwist
2323
Anlageflächecontact surface
2424
Messeraufnahmeknife receiver
2525
Befestigungsmittel, SchraubeFastener, screw
2626
Federmittelspring means
2727
Mittelachsecentral axis
2828
Gegengewichtcounterweight

Claims (7)

  1. Heavy-duty slicing device comprising a rotataing blade mount (10), on which a cutting blade (11) comprising a center of rotation (18) and a number of fastening cavities (16) is provided, wherein each fastening cavity (16) receives a screw, which, when tightened, fastens the cutting blade to a contact surface (23) of the blade mount, wherein the cutting blade (11) additionally has at least one securing cavity (17), which receives a securing means, which secures the cutting blade against a detachment from the blade mount in the event of failure of the fastening means, characterized in that the securing means is arranged in the center of rotation of the cutting blade and the cross section of the securing cavity increases with increasing distance from the center of rotation of the cutting blade.
  2. Heavy-duty slicing device according to Claim 1, characterized in that the fastening cavity (16) is arranged at a distance from the center of rotation (19).
  3. Heavy-duty slicing device according to one of the preceding claims, characterized in that the securing cavity (17) is arranged in the center of rotation.
  4. Heavy-duty slicing device according to one of the preceding claims, characterized in that the securing cavity (17) is not rotationally symmetrical in relation to the axis of rotation of the cutting blade.
  5. Heavy-duty slicing device according to one of the preceding claims, characterized in that the securing cavity (18), in the edge region (19) thereof, has a clamping means (20), at least in portions.
  6. Heavy-duty slicing device (5) according to one of the preceding claims, characterized in that the cutting blade is fastened on the blade mount by means of a bayonet closure.
  7. Heavy-duty slicing device (5) according to one of the preceding claims, characterized in that it has an anti-twist mechanism (22) for the cutting blade.
EP13719740.6A 2012-04-30 2013-03-28 Cutting blade with a locking recess Active EP2844441B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012008427 2012-04-30
PCT/EP2013/056640 WO2013164144A1 (en) 2012-04-30 2013-03-28 Cutting blade comprising a securing cavity

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EP2844441A1 EP2844441A1 (en) 2015-03-11
EP2844441B1 true EP2844441B1 (en) 2016-05-25

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Country Status (7)

Country Link
US (1) US20150122100A1 (en)
EP (1) EP2844441B1 (en)
CN (1) CN104428110A (en)
DK (1) DK2844441T3 (en)
ES (1) ES2588511T3 (en)
PL (1) PL2844441T3 (en)
WO (1) WO2013164144A1 (en)

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DE102009032974A1 (en) * 2009-07-14 2011-01-20 Weber Maschinenbau Gmbh Breidenbach Device for slicing of food products, particularly high speed slicer, comprises carrier for slicing element, and slicing plane is provided, which comprises defined slicing edge
DE102009038875A1 (en) * 2009-08-26 2011-03-03 Weber Maschinenbau Gmbh Breidenbach drive motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023104231A1 (en) 2023-02-21 2024-08-22 Multivac Sepp Haggenmüller Se & Co. Kg Slicing machine with knife catching device

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CN104428110A (en) 2015-03-18
EP2844441A1 (en) 2015-03-11
US20150122100A1 (en) 2015-05-07
ES2588511T3 (en) 2016-11-03
WO2013164144A1 (en) 2013-11-07
DK2844441T3 (en) 2016-09-12
PL2844441T3 (en) 2016-11-30

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