EP0248354A2 - Slicer - Google Patents

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Publication number
EP0248354A2
EP0248354A2 EP87107776A EP87107776A EP0248354A2 EP 0248354 A2 EP0248354 A2 EP 0248354A2 EP 87107776 A EP87107776 A EP 87107776A EP 87107776 A EP87107776 A EP 87107776A EP 0248354 A2 EP0248354 A2 EP 0248354A2
Authority
EP
European Patent Office
Prior art keywords
conveying
machine according
cutting machine
conveying device
carriage
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.)
Granted
Application number
EP87107776A
Other languages
German (de)
French (fr)
Other versions
EP0248354B1 (en
EP0248354A3 (en
Inventor
Herbert Etter
Jürgen Dr.-Ing. Schwellbach
Klaus Haid
Rolf Dipl.-Ing Veit
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.)
Bizerba SE and Co KG
Original Assignee
Bizerba Werke Wilhelm Kraut GmbH and KG
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 Bizerba Werke Wilhelm Kraut GmbH and KG filed Critical Bizerba Werke Wilhelm Kraut GmbH and KG
Priority to AT87107776T priority Critical patent/ATE80336T1/en
Publication of EP0248354A2 publication Critical patent/EP0248354A2/en
Publication of EP0248354A3 publication Critical patent/EP0248354A3/en
Application granted granted Critical
Publication of EP0248354B1 publication Critical patent/EP0248354B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • 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
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2033—Including means to form or hold pile of product pieces
    • Y10T83/2037—In stacked or packed relation
    • Y10T83/2042—Including cut pieces overlapped on delivery 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
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2192—Endless conveyor
    • Y10T83/2194—And means to remove product therefrom

Definitions

  • the invention relates to a slicer for foodstuffs, such as meat, sausage, cheese or the like, with a machine frame, a knife mounted on the machine frame and driven by a motor, a slide which is slidable on the machine frame for receiving the material to be cut and being fed to the knife, a conveying device for conveying the slices of material to be cut off from the knife to a laying surface and a stripper for transferring the slices from the conveying device to the laying surface.
  • a slicer for foodstuffs such as meat, sausage, cheese or the like
  • the conveying device for removing the cut slices of material to be cut is mechanically connected to the carriage via gear means and freewheels and is driven via the reciprocating movement of the carriage.
  • This has various disadvantages: by interposing the gear means and freewheels, which can also include clutches, brakes, switching cams and the like, the entire arrangement of the carriage and Conveyor device relatively stiff and requires a considerable amount of effort by the person operating the cutting machine when manually operating the slide.
  • the connecting elements between the carriage and the conveyor including the brakes, switch cams, clutches and the like, are quite noisy.
  • inaccuracies when depositing the disks can occur due to slippage and unavoidable tolerances in the transmission members.
  • the numerous machine elements between the carriage and the conveying device require considerable manufacturing effort and make the arrangement prone to failure.
  • the object is achieved in that the conveying device is driven by its own independent motor, that sensing means are provided for sensing the position of the carriage, and that a tracking control device is connected on the one hand to the sensing means and on the other hand to the motor and its transmitter is that the conveyor is tracked synchronously depending on the position of the carriage.
  • the slicer for foodstuffs comprises in a conventional manner a machine frame 1 on which a circular knife 3 driven by a motor 2 is mounted.
  • a circular knife 3 driven by a motor 2
  • oscillating cutting tools, band knives or the like can also be provided in other embodiments of the invention.
  • a carriage 4 can also be slid, which serves to receive the material to be cut 5, for example a sausage (FIG. 2), and to feed the material to be cut to the knife 3.
  • the carriage 4 can be pushed back and forth on slide guides 6 in the direction of the double arrow S.
  • a conveyor device 7 is arranged on the machine frame 1 for conveying the slices of cut material 8 cut from the knife to a depositing surface 9.
  • the direction of conveyance is indicated by the arrow T in FIG. 2.
  • the conveyor device comprises, in a manner known per se, a plurality of chain belts 11 arranged vertically one above the other, from which tips 12 protrude for receiving the disks 8.
  • the chain belts 11 are guided over a drive roller 13 and tensioning wheels 14.
  • the drive roller 13 is with a drive motor 15, for. B. via a worm gear 16, in drive connection.
  • a feed roller 17 directs the disks 8 cut off from the material to be cut 5 by the knife 3 onto the tips 12 of the chain belts 11.
  • a striker 20 is also pivotally mounted about a shaft 18 and, in a known manner, comprises a support 19 which can be pivoted about the shaft 18 and is normally vertical, from which horizontal bars 21 protrude between the individual chain belts 11 such that the bars in the rest position of the racket behind the tips 12.
  • the striker 20 is assigned a drive 40 in the form of a commercially available lifting or rotating magnet, which triggers the downward swiveling movement of the striker 20, so as to knock off the disks 8 carried on the tips 12 by the conveying device 7 and towards the depositing surface 9 convict.
  • the storage surface is formed in the embodiment shown as a table which can be pushed back and forth in the direction of the double arrow U, so that successively deposited disks 8, as shown in FIG. 2, can be arranged in a scale-like manner one above the other.
  • An essential component of the conveyor device 7 is its motor 15, which takes the place of the mechanical drive connection with the carriage 4 which has been customary up to now.
  • the motor 15 of the conveying device 7 In order to drive the motor 15 of the conveying device 7 synchronously with the carriage 4, which is advantageous for a proper transfer of the cut-off slices to the conveying device 7, the following arrangement is made:
  • the carriage is connected via a driver 24 to a drive belt 25 which is guided over two deflection rollers 26, 27.
  • the guide rollers 26, 27 are rotated during a reciprocating carriage movement.
  • a known rotary encoder 28 is connected to the deflecting roller 26 in terms of drive, for example in that the rotary encoder 28 is seated directly on a shaft 29 of the deflecting roller 26. The encoder 28 thus senses the position of the carriage 4 because of its transmission connection.
  • the position signals generated by the rotary encoder 28 become a tracking control device 31 via a control line 30 transferred and evaluated there.
  • the control device 31 is connected via a further control line 32 to the motor 15 and its encoder, so that, based on the position signals from the rotary encoder 28, the conveying device can be switched on, synchronously adjusted and switched off again depending on the position of the carriage 4. In this way, the cut slices 8 can be properly taken over by the conveying device 7, conveyed away and placed over the depositing surface 9.
  • the control device 31 is connected to the drive 40 of the striker 20 via a further control line 33. Via a further control line 34 leading from the control device 31 to the drive of the storage surface 9, which is not shown, the storage surface can be adjusted accordingly in the direction of the arrow U if a scaled storage of the disks 8 is desired.
  • the arrangement of the own, independent motor 15 for the conveying device 7 means that there is no need for a transmission-like connection to the cutting material carriage 4.
  • This also eliminates stiff gear elements and the like, so that the carriage 4 can be moved by an operator more easily and with very little effort.
  • the arrangement also works practically noiselessly and enables precise disc placement. Due to the simple structure, hardly any faults can occur. Maintenance and cleaning can also be carried out easily and conveniently.
  • the tracking control device 31 operates electrically. In other embodiments, the tracking control described can also be carried out pneumatically or hydraulically.
  • the rotary encoder 28 provided in the illustrated embodiment and coupled to the slide 4 can also be replaced by another sensing means of the slide movement, for example by an angle encoder or a tachometer generator, which can also be arranged on the shaft 29 of the deflection roller 26. Furthermore, the position of the slide 4 can also be sensed in a known manner by means of ultrasound transmitters, magnetic strips, glass scales, resistance tracks or light measurement sections along the slide guides 6, with corresponding signals being fed to the tracking control device 31.
  • the motor 15 drives the conveyor device 7 via a worm gear 16.
  • the motor 15 can also be arranged directly on a drive shaft of the conveying device 7, for example on the shaft of the drive roller 13, wherein the motor 15 can also lie within the roller 16.
  • a (tooth) belt drive can also be provided between the motor 15 and the drive roller 16.
  • the motor 15 of the conveyor device 7 is allowed to act as a brake for the conveyor device after it has been switched off, so that this switches off immediately as soon as the disc which has been removed has reached the position in which it is transferred from the striker 20 to the depositing surface 9.
  • the braking effect can be achieved in a manner known per se by reversing the polarity of the direction of rotation of the motor.
  • the standstill of the motor 15 can be reported back to the control device 31 in a conventional manner, which then triggers the striker 20.
  • an asynchronous drive of the conveying device with respect to the slide stroke is made possible by a conventional control element provided in the tracking control device 31, so that sensitive material to be cut can be transferred gently to the tips 12 of the chain belts 11.
  • the conveying device 7 can carry out an additional conveying cut, ie cover an additional conveying path, so that the cut disc can be transported out of the transfer area of the parts 3, 13 and 14 and brought into the knock-off position regardless of the carriage movement.
  • the size of the conveying path covered in the additional conveying step can be specified by conventional timer elements, counting pulse generators, distance measuring devices or the like.
  • the preset position from which the additional Conveying step is initiated can be detected by contactless or contact switches that are assigned to certain positions of the carriage 4 and / or the conveyor device 7.
  • the additional conveying step can also be chosen so large that the total conveying distance of the conveying device 7 is greater than the distance traveled by the carriage 4 or also greater than the width of the storage area 9 shown in FIG. 2.
  • depositing operations can also be carried out in more distant areas, for example conveyor belts or the like provided at a greater distance can be loaded with cut-off slices.
  • the discs can also be knocked off by the rotating conveying device during the additional conveying step by the striker 20.
  • the position of the conveying device 7 can also be sensed in order to ascertain by comparison a synchronous movement of the carriage and the conveying device and, if necessary, to regulate them.
  • Rotary encoders or the like which can advantageously be arranged on the axis of the motor 15, are suitable as sensing means on the conveying device 7.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Processing Of Meat And Fish (AREA)
  • Dairy Products (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

In a machine for slicing food such as meat, sausage, cheese or the like comprising a conveying device for carrying the slices of food cut off by a rotating blade to a deposit area and a knocking-off mechanism for transferring the slices from the conveying device to the deposit area, the conveying device is driven by an independent motor of its own. The position of a slide carrying the food to be cut can be sensed by sensing means, and a follow-up control device which is connected, on the one hand, to the sensing means, and, on the other hand, to a drive motor and its encoder ensures synchronous follow-up of the conveying device in dependence upon the position of the slide.

Description

Die Erfindung betrifft eine Aufschnitt-Schneide­maschine für Nahrungsmittel, wie Fleisch, Wurst, Käse od. dgl. mit einem Maschinengestell, einem am Maschinengestell gelagerten, von einem Motor ange­triebenen Messer, einem auf dem Maschinengestell gleitverschieblichen Schlitten zur Aufnahme des Schneidgutes und Zuführung zum Messer, einer Förder­vorrichtung zur Abförderung der vom Messer abge­schnittenen Schneidgutscheiben zu einer Ablegefläche und einem Abschläger zur Überführung der Scheiben von der Fördervorrichtung auf die Ablegefläche.The invention relates to a slicer for foodstuffs, such as meat, sausage, cheese or the like, with a machine frame, a knife mounted on the machine frame and driven by a motor, a slide which is slidable on the machine frame for receiving the material to be cut and being fed to the knife, a conveying device for conveying the slices of material to be cut off from the knife to a laying surface and a stripper for transferring the slices from the conveying device to the laying surface.

Bei bekannten Vorrichtungen dieser Art (DE-PS 23 03 454) ist die Fördervorrichtung zur Abförderung der abgeschnittenen Schneidgutscheiben mechanisch über Getriebemittel und Freiläufe mit dem Schlitten verbunden und wird über die Hin- und Herbewegung des Schlittens angetrieben. Dies hat verschiedene Nachteile: Durch die Zwischenschaltung der Getriebe­mittel und Freiläufe, wozu noch Kupplungen, Bremsen, Schaltnocken und dergleichen kommen können, wird die gesamte Anordnung von Schlitten und Fördervorrichtung verhältnismäßig schwergängig und erfordert bei manueller Betätigung des Schlittens einen erheblichen Kraftaufwand der die Schneide­maschine bedienenden Person. Außerdem wirken die Verbindungselemente zwischen Schlitten und Förder­vorrichtung, einschließlich der Bremsen, Schaltnocken, Kupplungen und dergleichen, ziemlich geräuschvoll. Schließlich können durch Schlupf- und unvermeidliche Toleranzen in den Übertragungsgliedern Ungenauig­keiten beim Ablegen der Scheiben auftreten. Vor allem aber erfordern die zahlreichen Maschinenelemente zwischen Schlitten und Fördervorrichtung einen erheb­lichen Herstellungsaufwand und machen die Anordnung störanfällig.In known devices of this type (DE-PS 23 03 454), the conveying device for removing the cut slices of material to be cut is mechanically connected to the carriage via gear means and freewheels and is driven via the reciprocating movement of the carriage. This has various disadvantages: by interposing the gear means and freewheels, which can also include clutches, brakes, switching cams and the like, the entire arrangement of the carriage and Conveyor device relatively stiff and requires a considerable amount of effort by the person operating the cutting machine when manually operating the slide. In addition, the connecting elements between the carriage and the conveyor, including the brakes, switch cams, clutches and the like, are quite noisy. Finally, inaccuracies when depositing the disks can occur due to slippage and unavoidable tolerances in the transmission members. Above all, however, the numerous machine elements between the carriage and the conveying device require considerable manufacturing effort and make the arrangement prone to failure.

Es ist Aufgabe der Erfindung, eine gattungsgemäße Aufschnitt-Schneidemaschine so zu verbessern, daß sie leichtgängiger und damit einfacher zu bedienen, geräuschärmer, genauer in der Ablage sowie einfacher im Aufbau und weniger störanfällig ist.It is an object of the invention to improve a generic slicing machine so that it is smoother and therefore easier to use, less noisy, more accurate in storage and easier to set up and less prone to failure.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Fördervorrichtung durch einen eigenen, unab­hängigen Motor angetrieben ist, daß Abfühlmittel zum Abfühlen der Position des Schlittens vorgesehen sind, und daß eine Nachführ-Regeleinrichtung einer­seits mit den Abfühlmitteln und andererseits mit dem Motor und dessen Geber so verbunden ist, daß die Fördervorrichtung in Abhängigkeit von der Position des Schlittens synchron nachgeführt wird.The object is achieved in that the conveying device is driven by its own independent motor, that sensing means are provided for sensing the position of the carriage, and that a tracking control device is connected on the one hand to the sensing means and on the other hand to the motor and its transmitter is that the conveyor is tracked synchronously depending on the position of the carriage.

Die nachstehende Beschreibung bevorzugter Ausführungs­formen der Erfindung dient im Zusammenhang mit bei­liegender Zeichnung der weiteren Erläuterung. Es zeigen:

  • Fig. 1 eine Vorderansicht einer Aufschnitt-­Schneidemaschine;
  • Fig. 2 eine schematisierte Draufsicht der Maschine in Richtung des Pfeiles A in Fig. 1 und
  • Fig. 3 eine Einzelteil-Schnittansicht entlang der Linie 3-3 in Fig. 2.
The following description of preferred embodiments of the invention serves in conjunction with the accompanying drawings for further explanation. Show it:
  • 1 is a front view of a slicer;
  • Fig. 2 is a schematic plan view of the machine in the direction of arrow A in Fig. 1 and
  • 3 is a sectional view of an individual part along the line 3-3 in FIG. 2.

Die auf der Zeichnung dargestellte Aufschnitt-­Schneidemaschine für Nahrungsmittel, insbesondere Fleisch, Wurst, Käse und dgl. umfaßt in herkömm­licher Weise ein Maschinengestell 1, auf dem ein von einem Motor 2 drehend angetriebenes Kreismesser 3 gelagert ist. Statt des um eine gehäusefeste Achse rotierenden Kreismessers 3 können bei anderen Aus­führungsformen der Erfindung auch oszillierende Schneidwerkzeuge, Bandmesser od. dgl. vorgesehen werden. Auf dem Maschinengestell 1 ist ferner ein Schlitten 4 gleitverschieblich, welcher der Auf­nahme des Schneidgutes 5, beispielsweise einer Wurst (Fig. 2),sowie der Zuführung des Schneidgutes zum Messer 3 dient. Der Schlitten 4 ist auf Gleit­führungen 6 in Richtung des Doppelpfeils S hin- ­und herverschieblich.The slicer for foodstuffs, in particular meat, sausage, cheese and the like shown in the drawing, comprises in a conventional manner a machine frame 1 on which a circular knife 3 driven by a motor 2 is mounted. Instead of the circular knife 3 rotating about an axis fixed to the housing, oscillating cutting tools, band knives or the like can also be provided in other embodiments of the invention. On the machine frame 1, a carriage 4 can also be slid, which serves to receive the material to be cut 5, for example a sausage (FIG. 2), and to feed the material to be cut to the knife 3. The carriage 4 can be pushed back and forth on slide guides 6 in the direction of the double arrow S.

Auf der dem Schlitten 4 gegenüberliegenden Seite des Messers 3 ist auf dem Maschinengestell 1 eine Förder­vorrichtung 7 zur Abförderung der vom Messer abge schnittenen Schneidgutscheiben 8 zu einer Ablege­fläche 9 angeordnet. Die Förderrichtung ist in Fig. 2 mit dem Pfeil T bezeichnet. Die Fördervor­richtung umfaßt in an sich bekannter Weise mehrere vertikal übereinander angeordnete Kettenbänder 11, von denen Spitzen 12 zur Aufnahme der Scheiben 8 abstehen. Die Kettenbänder 11 sind über eine Antriebs­walze 13 und Spannräder 14 geführt. Die Antriebs­walze 13 steht mit einem Antriebsmotor 15, z. B. über ein Schneckengetriebe 16, in Antriebsverbindung. Eine Zuführwalze 17 lenkt die durch das Messer 3 vom Schneidgut 5 abgeschnittenen Scheiben 8 auf die Spitzen 12 der Kettenbänder 11.On the side of the knife 3 opposite the carriage 4, a conveyor device 7 is arranged on the machine frame 1 for conveying the slices of cut material 8 cut from the knife to a depositing surface 9. The direction of conveyance is indicated by the arrow T in FIG. 2. The conveyor device comprises, in a manner known per se, a plurality of chain belts 11 arranged vertically one above the other, from which tips 12 protrude for receiving the disks 8. The chain belts 11 are guided over a drive roller 13 and tensioning wheels 14. The drive roller 13 is with a drive motor 15, for. B. via a worm gear 16, in drive connection. A feed roller 17 directs the disks 8 cut off from the material to be cut 5 by the knife 3 onto the tips 12 of the chain belts 11.

Auf dem Maschinengestell 1 ist ferner um eine Welle 18 schwenkbar ein Abschläger 20 gelagert, der in bekannter Weise eine um die Welle 18 verschwenkbare, normaler­weise vertikal stehende Stütze 19 umfaßt, von welcher horizontale Stäbe 21 zwischen die einzelnen Ketten­bänder 11 so abstehen, daß die Stäbe in Ruhelage des Abschlägers hinter den Spitzen 12 liegen. Dem Ab­schläger 20 ist schließlich ein Antrieb 40 in Gestalt eines handelsüblichen Hub- oder Drehmagneten zuge­ordnet, der die nach abwärts gerichtete Schwenkbewegung des Abschlägers 20 auslöst, um so die auf den Spitzen 12 von der Fördervorrichtung 7 mitgeführten Scheiben 8 abzuschlagen und auf die Ablegefläche 9 zu überführen.On the machine frame 1, a striker 20 is also pivotally mounted about a shaft 18 and, in a known manner, comprises a support 19 which can be pivoted about the shaft 18 and is normally vertical, from which horizontal bars 21 protrude between the individual chain belts 11 such that the bars in the rest position of the racket behind the tips 12. Finally, the striker 20 is assigned a drive 40 in the form of a commercially available lifting or rotating magnet, which triggers the downward swiveling movement of the striker 20, so as to knock off the disks 8 carried on the tips 12 by the conveying device 7 and towards the depositing surface 9 convict.

Die Ablegefläche ist bei der dargestellten Ausführungs­form als Tisch ausgebildet, der in Richtung des Doppel­pfeils U hin- und herverschieblich ist, so daß nach­einander abgelegte Scheiben 8, wie in Fig. 2 darge­stellt, schuppenförmig übereinander angeordnet werden können.The storage surface is formed in the embodiment shown as a table which can be pushed back and forth in the direction of the double arrow U, so that successively deposited disks 8, as shown in FIG. 2, can be arranged in a scale-like manner one above the other.

Wesentlicher Bestandteil der Fördervorrichtung 7 ist deren Motor 15, welcher an die Stelle der bisher üblichen, mechanischen Antriebsverbindung mit dem Schlitten 4 tritt. Um den Motor 15 der Fördervorrich­tung 7 synchron mit dem Schlitten 4 anzutreiben, was für eine ordnungsgemäße Überleitung der abgeschnittenen Scheiben auf die Fördervorrichtung 7 vorteilhaft ist, ist folgende Anordnung getroffen:An essential component of the conveyor device 7 is its motor 15, which takes the place of the mechanical drive connection with the carriage 4 which has been customary up to now. In order to drive the motor 15 of the conveying device 7 synchronously with the carriage 4, which is advantageous for a proper transfer of the cut-off slices to the conveying device 7, the following arrangement is made:

Der Schlitten ist über einen Mitnehmer 24 an einen Antriebsriemen 25 angeschlossen, der über zwei Umlenk­rollen 26,27 geführt ist. Somit werden die Umlenk­rollen 26,27 bei hin- und hergehender Schlitten­bewegung in Umlauf versetzt. Mit der Umlenkrolle 26 ist antriebsmäßig ein an sich bekannter Drehgeber 28 verbunden, beispielsweise dadurch, daß der Drehgeber 28 unmittelbar auf einer Welle 29 der Umlenkrolle 26 sitzt. Der Drehgeber 28 fühlt somit wegen seiner getriebemäßigen Verbindung mit dem Schlitten 4 dessen Position ab. Die vom Drehgeber 28 erzeugten Positionssignale werden über eine Steuerleitung 30 zu einer Nachführ-Steuereinrichtung 31 übertragen und dort ausgewertet. Die Regeleinrich­tung 31 ist andererseits über eine weitere Steuer­leitung 32 mit dem Motor 15 sowie dessen Geber verbunden, so daß aufgrund der aus dem Drehgeber 28 stammenden Positionssignale die Fördervorrichtung in Abhängigkeit von der Stellung des Schlittens 4 einge­schaltet, synchron nachgeführt und wieder abgeschaltet werden kann. Auf diese Weise können die abgeschnittenen Scheiben 8 ordnungsgemäß von der Fördervorrichtung 7 übernommen, abgefördert und über der Ablegefläche 9 abgelegt werden. Für die Ablage ist die Regelein­richtung 31 über eine weitere Steuerleitung 33 mit dem Antrieb 40 des Abschlägers 20 verbunden. Über eine weitere, von der Regeleinrichtung 31 zum nicht gezeigten Antrieb der Ablegefläche 9 hinführende Steuerleitung 34 kann die Ablegefläche in Pfeilrichtung U entsprechend verstellt werden, wenn eine geschuppte Ablage der Scheiben 8 erwünscht ist.The carriage is connected via a driver 24 to a drive belt 25 which is guided over two deflection rollers 26, 27. Thus, the guide rollers 26, 27 are rotated during a reciprocating carriage movement. A known rotary encoder 28 is connected to the deflecting roller 26 in terms of drive, for example in that the rotary encoder 28 is seated directly on a shaft 29 of the deflecting roller 26. The encoder 28 thus senses the position of the carriage 4 because of its transmission connection. The position signals generated by the rotary encoder 28 become a tracking control device 31 via a control line 30 transferred and evaluated there. The control device 31, on the other hand, is connected via a further control line 32 to the motor 15 and its encoder, so that, based on the position signals from the rotary encoder 28, the conveying device can be switched on, synchronously adjusted and switched off again depending on the position of the carriage 4. In this way, the cut slices 8 can be properly taken over by the conveying device 7, conveyed away and placed over the depositing surface 9. For storage, the control device 31 is connected to the drive 40 of the striker 20 via a further control line 33. Via a further control line 34 leading from the control device 31 to the drive of the storage surface 9, which is not shown, the storage surface can be adjusted accordingly in the direction of the arrow U if a scaled storage of the disks 8 is desired.

Auf diese Weise kann durch die Anordnung des eigenen, unabhängigen Motors 15 für die Fördervorrichtung 7 eine getriebemäßige Verbindung mit dem Schneidgut­schlitten 4 entfallen. Hiermit entfallen auch schwer­gängige Getriebeelemente und dergleichen, so daß der Schlitten 4 von einer Bedienungsperson leichtgängiger und mit sehr geringem Kraftaufwand verschoben werden kann. Die Anordnung arbeitet ferner praktisch geräusch­los und ermöglicht eine präzise Scheibenablage. Wegen des einfachen Aufbaus können kaum Störungen auftreten. Die Wartung und Reinigung ist außerdem leicht und bequem ausführbar.In this way, the arrangement of the own, independent motor 15 for the conveying device 7 means that there is no need for a transmission-like connection to the cutting material carriage 4. This also eliminates stiff gear elements and the like, so that the carriage 4 can be moved by an operator more easily and with very little effort. The arrangement also works practically noiselessly and enables precise disc placement. Due to the simple structure, hardly any faults can occur. Maintenance and cleaning can also be carried out easily and conveniently.

Bei der dargestellten Ausführungsform arbeitet die Nachführ-Regeleinrichtung 31 elektrisch. Bei anderen Ausführungsformen kann die beschriebene Nachführ-­Steuerung auch auf pneumatischem oder hydraulischem Weg erfolgen.In the embodiment shown, the tracking control device 31 operates electrically. In other embodiments, the tracking control described can also be carried out pneumatically or hydraulically.

Der bei der dargestellten Ausführungsform vorgesehene, mit dem Schlitten 4 gekuppelte Drehgeber 28 kann auch durch ein anderes Abfühlmittel der Schlittenbewegung ersetzt werden, beispielsweise durch einen Winkel­geber oder einen Tachogenerator, die ebenfalls auf der Welle 29 der Umlenkrolle 26 angeordnet werden können. Ferner kann die Position des Schlittens 4 in ebenfalls bekannter Weise durch Ultraschallgeber, Magnetstreifen, Glasmaßstäbe, Widerstandsbahnen oder Lichtmeßstrecken entlang den Schlittenführungen 6 abgefühlt werden, wobei entsprechende Signale der Nachführ-Regeleinrichtung 31 zugeleitet werden.The rotary encoder 28 provided in the illustrated embodiment and coupled to the slide 4 can also be replaced by another sensing means of the slide movement, for example by an angle encoder or a tachometer generator, which can also be arranged on the shaft 29 of the deflection roller 26. Furthermore, the position of the slide 4 can also be sensed in a known manner by means of ultrasound transmitters, magnetic strips, glass scales, resistance tracks or light measurement sections along the slide guides 6, with corresponding signals being fed to the tracking control device 31.

Bei der dargestellten Ausführungsform treibt der Motor 15 die Fördervorrichtung 7 über ein Schnecken­getriebe 16 an. Bei anderen Ausführungsformen kann der Motor 15 auch direkt auf einer Antriebswelle der Fördervorrichtung 7, beispielsweise auf der Welle der Antriebswalze 13, angeordnet sein, wobei der Motor 15 auch innerhalb der Walze 16 liegen kann. Ferner kann zwischen Motor 15 und Antriebswalze 16 auch ein (Zahn)Riemenantrieb vorgesehen sein.In the embodiment shown, the motor 15 drives the conveyor device 7 via a worm gear 16. In other embodiments, the motor 15 can also be arranged directly on a drive shaft of the conveying device 7, for example on the shaft of the drive roller 13, wherein the motor 15 can also lie within the roller 16. Furthermore, a (tooth) belt drive can also be provided between the motor 15 and the drive roller 16.

Besonders vorteilhaft ist es, wenn man den Motor 15 der Fördervorrichtung 7 nach seiner Abschaltung als Bremse für die Fördervorrichtung wirken läßt, so daß diese augenblicklich abschaltet, sobald die abgeförderte Scheibe diejenige Position erreicht hat, in welcher sie von dem Abschläger 20 auf die Ablegefläche 9 überführt wird. Die Bremswirkung kann in an sich bekannter Weise durch Umpolen der Drehrichtung des Motors erreicht werden. Der Stillstand des Motors 15 kann in üblicher Weise an die Steuereinrichtung 31 zurückgemeldet werden, die dann den Abschläger 20 auslöst.It is particularly advantageous if the motor 15 of the conveyor device 7 is allowed to act as a brake for the conveyor device after it has been switched off, so that this switches off immediately as soon as the disc which has been removed has reached the position in which it is transferred from the striker 20 to the depositing surface 9. The braking effect can be achieved in a manner known per se by reversing the polarity of the direction of rotation of the motor. The standstill of the motor 15 can be reported back to the control device 31 in a conventional manner, which then triggers the striker 20.

Bei einer anderen Ausführungsform wird durch ein in der Nachführ-Regeleinrichtung 31 vorgesehenes, übliches Steuerglied ein asynchroner Antrieb der Fördervorrichtung gegenuber dem Schlittenhub ermöglicht, so daß empfindliches Schneidgut schonend auf die Spitzen 12 der Kettenbänder 11 überführt werden kann.In another embodiment, an asynchronous drive of the conveying device with respect to the slide stroke is made possible by a conventional control element provided in the tracking control device 31, so that sensitive material to be cut can be transferred gently to the tips 12 of the chain belts 11.

Ab einer voreinstellbaren Position des Schneidgutschlittens 4 kann die Fördervorrichtung 7 einen zusätzlichen Förder­schnitt ausführen, d.h. eine zusätzliche Förderstrecke zurücklegen, so daß die abgeschnittene Scheibe unabhängig von der Schlittenbewegung aus dem Überleitbereich der Teile 3, 13 und 14 heraustransportiert und in Abschlagposition gebracht werden kann. Die Größe der im zusätzlichen Förder­schritt zurückgelegten Förderstrecke kann durch übliche Zeitschaltglieder, Zählimpulsgeber, Wegmeßeinrichtungen oder ähnliches vorgegeben werden. Die voreinstellbare Position, ab welcher der zusätzliche Förderschritt eingeleitet wird, kann durch berührungs­lose oder kontaktbehaftete Schalter, die bestimmten Positionen des Schlittens 4 und/oder der Fördervor­richtung 7 zugeordnet sind, erkannt werden.From a pre-adjustable position of the cutting material carriage 4, the conveying device 7 can carry out an additional conveying cut, ie cover an additional conveying path, so that the cut disc can be transported out of the transfer area of the parts 3, 13 and 14 and brought into the knock-off position regardless of the carriage movement. The size of the conveying path covered in the additional conveying step can be specified by conventional timer elements, counting pulse generators, distance measuring devices or the like. The preset position from which the additional Conveying step is initiated can be detected by contactless or contact switches that are assigned to certain positions of the carriage 4 and / or the conveyor device 7.

Aufgrund des erwähnten zusätzlichen Förderschritts ist es möglich, eine bestimmte Fördergeschwindigkeit der Fördervorrichtung 7 auch dann beizubehalten, wenn die Geschwindigkeit des Schlittens 4 nach Beendigung des Schneidhubes geändert wird. Hierdurch können die abgeschnittenen Scheiben besonders schonend in Ablegeposition überführt werden. Ein derartiger zu­sätzlicher Förderschritt kann, bequem von dem ohnehin vorhandenen Motor 15 der Fördervorrichtung abgeleitet werden.Because of the additional conveying step mentioned, it is possible to maintain a specific conveying speed of the conveying device 7 even if the speed of the carriage 4 is changed after the cutting stroke has ended. As a result, the cut-off slices can be transferred particularly gently into the storage position. Such an additional conveying step can be conveniently derived from the motor 15 of the conveying device which is present anyway.

Der zusätzliche Förderschritt kann auch so groß gewählt werden, daß die Gesamtförderstrecke der Fördervorrichtung 7 größer als die vom Schlitten 4 zurückgelegte Wegstrecke oder auch größer als die Breite der in Fig. 2 dargestellten Ablegefläche 9 ist. Hierdurch können bei entsprechender Länge der Fördervorrichtung 7 auch Ablegevorgänge in weiter entfernten Bereichen durchgeführt werden, beispiels­weise können in größerem Abstand vorgesehene Förder­bänder od. dgl. mit abgeschnittenen Scheiben beschickt werden. Insbesondere können die Scheiben während des zusätzlichen Förderschritts durch den Abschläger 20 auch von der umlaufenden Fördervorrichtung abgeschlagen werden.The additional conveying step can also be chosen so large that the total conveying distance of the conveying device 7 is greater than the distance traveled by the carriage 4 or also greater than the width of the storage area 9 shown in FIG. 2. As a result, with the corresponding length of the conveying device 7, depositing operations can also be carried out in more distant areas, for example conveyor belts or the like provided at a greater distance can be loaded with cut-off slices. In particular, the discs can also be knocked off by the rotating conveying device during the additional conveying step by the striker 20.

Außerdem kann bei einer wiederum anderen Ausführungs­form der Erfindung ebenso wie die Position des Schlittens 4 auch die Position der Fördervorrichtung 7 abgefühlt werden, um durch Vergleich eine synchrone Bewegung des Schlittens und der Fördervorrichtung festzustellen und nötigenfalls einzuregeln. Als Abfühlmittel eignen sich an der Fördervorrichtung 7 insbesondere Drehgeber od. dgl., die vorteilhafter­weise auf der Achse des Motors 15 angeordnet werden können.In addition, in yet another embodiment of the invention, like the position of the carriage 4, the position of the conveying device 7 can also be sensed in order to ascertain by comparison a synchronous movement of the carriage and the conveying device and, if necessary, to regulate them. Rotary encoders or the like, which can advantageously be arranged on the axis of the motor 15, are suitable as sensing means on the conveying device 7.

Ferner kann es vorteilhaft sein, die Fördergeschwindig­keit der Fördervorrichtung während des zusätzlichen Förderschritts in Abhängigkeit von der bei Einleitung des zusätzlichen Förderschrittes erreichten Schlitten­geschwindigkeit einzusteuern.Furthermore, it can be advantageous to control the conveying speed of the conveying device during the additional conveying step as a function of the carriage speed reached when the additional conveying step is initiated.

Claims (10)

1. Aufschnitt-Schneidemaschine für Nahrungsmittel, wie Fleisch, Wurst, Käse od. dgl. mit einem Maschinengestell, einem am Maschinengestell ge­lagerten, von einem Motor angetriebenen Messer, einem auf dem Maschinengestell gleitverschieb­lichen Schlitten zur Aufnahme des Schneidgutes und Zuführung zum Messer, einer Fördervorrichtung zur Abförderung der vom Messer abgeschnittenen Schneidgutscheiben zu einer Ablegefläche und mit einem Abschläger zur Überführung der Scheiben von der Fördervorrichtung auf die Ablegefläche, dadurch gekennzeichnet, daß die Fördervorrichtung (7) durch einen eigenen, unabhängigen Motor (15) angetrieben ist, daß Abfühlmittel (28) zum Abfühlen der Position des Schlittens (4) vorgesehen sind, und daß eine Nachführ-Regeleinrichtung (31) einerseits mit den Abfühlmitteln (28) und andererseits mit dem Motor (15) und dessen Geber so verbunden ist, daß die Fördervorrichtung in Abhängigkeit von der Position des Schlittens synchron nachgeführt wird.1. Slicer for foodstuffs, such as meat, sausage, cheese or the like, with a machine frame, a knife mounted on the machine frame and driven by a motor, a slide that can slide on the machine frame for receiving the material to be cut and fed to the knife, and a conveyor device for conveying the slices of material to be cut off from the knife to a depositing surface and with a stripper for transferring the discs from the conveying device to the depositing surface, characterized in that the conveying device (7) is driven by its own independent motor (15) that sensing means (28 ) are provided for sensing the position of the carriage (4), and that a tracking control device (31) is connected on the one hand to the sensing means (28) and on the other hand to the motor (15) and its transmitter so that the conveyor device as a function of the position of the slide is synchronized. 2. Schneidemaschine nach Anspruch 1, dadurch gekenn­zeichnet, daß der Motor (15) der Fördervorrich­tung (7) als Bremse für die Fördervorrichtung dient.2. Cutting machine according to claim 1, characterized in that the motor (15) of the conveyor (7) serves as a brake for the conveyor. 3. Schneidemaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß als Abfühlmittel (28) der Schlittenposition ein mit dem verschieblichen Schlitten (4) gekoppelter Drehgeber vorgesehen ist.3. Cutting machine according to claim 1 or 2, characterized in that as a sensing means (28) of the carriage position, a rotary encoder coupled to the sliding carriage (4) is provided. 4. Schneidemaschine nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß die Nachführ-Regel­einrichtung (31) ein Steuerglied enthält, welches einen asynchronen Antrieb der Fördervorrichtung (7) gegenüber dem Schlittenhub ermöglicht.4. Cutting machine according to claim 1, 2 or 3, characterized in that the tracking control device (31) contains a control member which enables an asynchronous drive of the conveyor (7) with respect to the carriage stroke. 5. Schneidemaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Nachführ-Regel­einrichtung (31) den Motor (15) der Fördervorrich­tung (7) so steuert, daß die Fördervorrichtung ab einer bestimmten Förderposition selbsttätig einen zusätzlichen Förderschritt ausführt.5. Cutting machine according to one of claims 1 to 4, characterized in that the tracking control device (31) controls the motor (15) of the conveying device (7) so that the conveying device automatically carries out an additional conveying step from a certain conveying position. 6. Schneidemaschine nach Anspruch 5, dadurch gekenn­zeichnet, daß die Förderposition, ab welcher die Fördervorrichtung (7) den zusätzlichen Förder­schritt ausführt, voreinstellbar ist.6. Cutting machine according to claim 5, characterized in that the conveying position from which the conveying device (7) carries out the additional conveying step can be preset. 7. Schneidemaschine nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Größe der im zusätzlichen Förderschritt zurückgelegten Förderstrecke ein­stellbar ist.7. Cutting machine according to claim 5 or 6, characterized in that the size of the distance traveled in the additional conveying step is adjustable. 8. Schneidemaschine nach Anspruch 5, 6 oder 7, dadurch gekennzeichnet, daß die Gesamtförderstrecke der Fördervorrichtung einschließlich dem zusätzlichen Förderschritt größer als die vom Schlitten zurückgelegte Wegstrecke ist.8. Cutting machine according to claim 5, 6 or 7, characterized in that the total conveying path of the conveying device including the additional conveying step is greater than the distance covered by the sled. 9. Schneidemaschine nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß die Fördergeschwindig­keit der Fördervorrichtung (7) während des zusätz­lichen Förderschrittes in Abhängigkeit von der bei Einleitung des zusätzlichen Förderschrittes erreichten Schlittengeschwindigkeit gesteuert ist.9. Cutting machine according to one of claims 5 to 8, characterized in that the conveying speed of the conveying device (7) is controlled during the additional conveying step as a function of the carriage speed reached when the additional conveying step is initiated. 10. Schneidemaschine nach einem der voranstehenden Ansprüche, dadurch gekennzeichnet, daß der Ab­schläger (20) während des zusätzlichen Förder­schritts die abgeförderte Scheibe (8) von der laufenden Fördervorrichtung (7) abschlägt.10. Cutting machine according to one of the preceding claims, characterized in that the striker (20) knocks off the disc (8) from the running conveying device (7) during the additional conveying step.
EP87107776A 1986-06-04 1987-05-29 Slicer Expired - Lifetime EP0248354B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87107776T ATE80336T1 (en) 1986-06-04 1987-05-29 SLICING MACHINE.

Applications Claiming Priority (2)

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DE19863618774 DE3618774A1 (en) 1986-06-04 1986-06-04 CUTTING SLICER
DE3618774 1986-06-04

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EP0248354A2 true EP0248354A2 (en) 1987-12-09
EP0248354A3 EP0248354A3 (en) 1989-08-02
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AT (1) ATE80336T1 (en)
CA (1) CA1291011C (en)
DE (2) DE3618774A1 (en)
FI (1) FI87057C (en)

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EP0634325A1 (en) * 1993-06-09 1995-01-18 Dixie-Union Verpackungen GmbH Device for arranging sliced products in an overlapping shingle pattern
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US8043142B2 (en) 2005-08-26 2011-10-25 Premark Feg L.L.C. Sharpener carried by the product table of a food slicer
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EP0456634A2 (en) * 1990-05-11 1991-11-13 Fritz Kuchler Slicing apparatus
EP0456634A3 (en) * 1990-05-11 1992-02-05 Fritz Kuchler Slicing apparatus
DE9103801U1 (en) * 1991-03-28 1991-10-17 Kuchler, Fritz, Dipl.-Kaufm., Klagenfurt Conveyor chain
EP0634325A1 (en) * 1993-06-09 1995-01-18 Dixie-Union Verpackungen GmbH Device for arranging sliced products in an overlapping shingle pattern
US7549363B2 (en) 2005-08-26 2009-06-23 Premark Feg L.L.C. Product table for a food slicer with hollow peripheral reinforcements
US7637191B2 (en) 2005-08-26 2009-12-29 Premark Feg L.L.C. Product table lock for a food slicer
US7832317B2 (en) 2005-08-26 2010-11-16 Premark Feg L.L.C. Gage plate alignment mechanism and method for a food slicer
US8043142B2 (en) 2005-08-26 2011-10-25 Premark Feg L.L.C. Sharpener carried by the product table of a food slicer
CN104942848A (en) * 2014-04-13 2015-09-30 胡刘满 Slicing machine capable of preventing Indian buead from being broken
EP3156197A1 (en) * 2015-10-16 2017-04-19 Bizerba SE & Co. KG Cutting machine

Also Published As

Publication number Publication date
ATE80336T1 (en) 1992-09-15
FI87057B (en) 1992-08-14
DE3781586D1 (en) 1992-10-15
FI87057C (en) 1992-11-25
FI872479A0 (en) 1987-06-03
US4793228A (en) 1988-12-27
CA1291011C (en) 1991-10-22
EP0248354B1 (en) 1992-09-09
DE3618774A1 (en) 1987-12-10
FI872479A (en) 1987-12-05
EP0248354A3 (en) 1989-08-02

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