EP2095920A1 - Verfahren zum Schneiden eines strangförmigen Lebensmittels sowie Schneidmaschine - Google Patents

Verfahren zum Schneiden eines strangförmigen Lebensmittels sowie Schneidmaschine Download PDF

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Publication number
EP2095920A1
EP2095920A1 EP20090152994 EP09152994A EP2095920A1 EP 2095920 A1 EP2095920 A1 EP 2095920A1 EP 20090152994 EP20090152994 EP 20090152994 EP 09152994 A EP09152994 A EP 09152994A EP 2095920 A1 EP2095920 A1 EP 2095920A1
Authority
EP
European Patent Office
Prior art keywords
cutting
gutsstrang
cutting edge
contact element
suction region
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.)
Withdrawn
Application number
EP20090152994
Other languages
German (de)
English (en)
French (fr)
Inventor
Uwe Reifenhäuser
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2095920A1 publication Critical patent/EP2095920A1/de
Withdrawn legal-status Critical Current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
    • B26D7/01—Means for holding or positioning work
    • B26D7/018—Holding the work by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/005—Vacuum work holders
    • 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
    • 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
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0683—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form specially adapted for elongated articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/222—With receptacle or support for cut product

Definitions

  • the invention relates to a method for cutting a strand-shaped food, in which a Gutsstrang of the food is advanced by means of a feed device to a cutting device and is cut by the latter in slices, strips or cubes, wherein the Gutsstrang is fixed during the advancing movement by means of a vacuum gripper which is advanced together with the Gutsstrang, and wherein within the interior of a contact element of the vacuum gripper, a negative pressure is generated, which acts in a suction region of the contact element on a fixing region of Gutsstrangs surface, wherein at least one circumferential and the suction region enclosing edge of the contact element in the Gutstrang cuts, whereby a sealing of the suction area is achieved.
  • the invention relates to a cutting machine for cutting a strand-shaped food, with a Gutsstrang of the food in slices, strips or cubes is cuttable, with a feed device with which the Gutsstrang during the cutting process to the Schnei driving is vorschiebbar, wherein the feed device a Vacuum gripper has, with which the Gutsstrang is fixed during the feed movement and which can be advanced together with the Gutsstrang on the cutting device, wherein within an interior of the contact element of the vacuum gripper, a negative pressure can be generated in a suction region of the contact element to a fixing region of the Gutsstrangs surface acts, wherein the contact element has at least one circumferential and the suction area enclosing cutting edge, which is pressed into the Gutsstrang, whereby the suction area is sealed.
  • a method and a cutting machine of the aforementioned type are well known.
  • the fixation of Gutsstrangs by means of a vacuum gripper offers over the use of gripper hooks the advantage that the Gutsstrang itself remains intact, since the surface of which is not permanently changed by the contact element of the vacuum gripper.
  • the vacuum generation takes place with the help of so-called vacuum pumps.
  • the negative pressure is transmitted via a line from the vacuum pump to the interior of the contact element.
  • the contact element itself typically consists of a type of rubber boot which, due to its elastic properties, is intended to compensate for possible unevenness and irregularities in the surface of the Gutsstrangs, in order to prevent the ingress of air into the suction area of the rubber boot after the negative pressure.
  • the vacuum pumps used are typically in continuous operation during the cutting operation of the known machines, on the one hand to avoid switching on and off between the cutting successive Gutsstrlinde and on the other to any leaks in the contact element, whereby a subsequent flow of ambient air into the interior of the contact element compensate for ingress and keep the negative pressure permanently sufficiently large.
  • the contact element of the vacuum gripper with a cutting edge which cuts into the Gutstrang, so that a seal of the suction area is achieved.
  • the feed device comprises at least one "suction cup" which limits an open to the Gutsstrang vacuum chamber.
  • the suction cup has a cutting edge, which is intended to ensure a very tight connection of the suction cup with the product loaf.
  • a good seal of the suction area is given by the cutting of the cutting rings in the Gutsstrang.
  • the cutting rings do not engage in the Gutsstrang in the region of an irregularity, so that no tightly closed suction region is formed and consequently no negative pressure can be built up.
  • the invention has for its object to provide a method for cutting a strand-shaped food and a related cutting machine, in which the reliability is increased in view of the permanent maintenance of the negative pressure generated in the vacuum gripper to disturbances in the operation or negative effects on the cutting quality avoid.
  • this object is achieved in that at least one further circumferential, the first cutting edge enclosing the contact element cuts into the Gutsstrang, creating a further seal is achieved.
  • the invention is based on the recognition that only a superficial contact between the contact element and Gutsstrang for a reliable sealing of the suction area is not sufficient. Therefore, with the inventive Procedure a middle ground between vacuum grippers with rubber sleeves and hooks with tines tread, because according to the invention, the vacuum application is combined with a cutting into the surface of the Gutsstrangs. Since the penetration of the cutting edges of the contact element can be limited to a very small depths and only serves the improved sealing, the integrity of the Gutsstrangs remains largely preserved even in the contact area.
  • the remaining piece of the Gutsstrangs remaining after completion of the actual slicing process, into which the cutting edges of the contact element had been cut can thus be meaningfully utilized practically without loss of quality in comparison with the use of vacuum grippers with rubber sleeves.
  • the penetration depth of the cutting edges can be limited to a range between approximately 0.1 mm and 5 mm, typically approximately 2 mm to 3 mm, so that, in the vast majority of cases, scarcely visible damage to the Gutsstrang surface is present. This is especially true when the cutting edges are preferably formed very sharp and thus require only low penetration forces.
  • the quality of the seal can be substantially increased, so that the negative pressure losses during the slicing process are generally so small that a once generated vacuum no longer has to be renewed, but remains until the slicing process is completed.
  • an inner suction region which is defined by the cross-section surrounding by an inner cutting edge
  • an outer suction region which is defined by the cross section between an outer edge and the inner edge
  • the underlying object starting from a cutting machine of the type described above is achieved in that at least one more circumferential, the cutting edge enclosing edge of the contact element is pressed into the Gutsstrang, whereby the suction area is sealed a second time.
  • the cutting edge can have any shapes that form a self-contained curve.
  • the cutting edge will be circular, elliptical, oval, rectangular, triangular or trapezoidal.
  • a step preferably radially outward, join.
  • the step acts as a stop and would oppose a further penetration of the cutting a greatly increased force, which is indicative of the end of the e.g. force-controlled cutting can be used.
  • the sealing effect of the vacuum gripper can be further improved if both cutting edges each define a separate suction region and wherein the outer edge protrudes further towards the inner cutter in the direction of the cutting device, which is advantageous in a convex shape of the end of the Gutstrangs on the Einschneideschreib the outer cutting edge effect.
  • vacuum gripper 1 consists of two coaxially arranged one behind the other piston-cylinder units 2 and 3, which are coupled together via a common piston rod 4 and separated by a partition 5, in which the piston rod 4 is slidably mounted and sealed.
  • the vacuum gripper 1 has a front side 6, on which a in FIG. 1 dashed lines shown Gutsstrang 7, for example in the form of a sausage meat, is fixed by means of negative pressure in a manner described in more detail later. Opposite lying the vacuum gripper 1 has a back 8, to which he uses a slot-shaped recess 9 on a base frame in the FIGS. 6 to 8 shown gripping device can be fastened, which will be described in more detail below.
  • the attachment further serve two groove-shaped recesses 10 in a lateral surface 11 of the vacuum gripper. 1
  • the vacuum gripper 1 has a front part 12, which is formed by the piston-cylinder unit 2, which serves to generate the negative pressure for fixing the Gutsstrangs 7.
  • the oppositely arranged rear part 14 is essentially formed by the further piston-cylinder unit 3, which serves to drive a piston of the piston-cylinder unit 2 located in the front part 12.
  • the piston-cylinder unit 3, which as I said serves as a drive for the vacuum generation consists of a cylinder tube 16 and a displaceably mounted in the interior 17 and sealed piston 18, the interior 17 into a first, the Dividing wall 5 facing working space 19 and a second, located on the other side of the piston 18 working space 20 divided.
  • the working space 19 can be acted upon via a channel 21 with compressed air, which is located in several sections, first in an inserted into the partition wall 5 connecting piece 22 and then in the partition wall 5 itself. Both in the partition wall 5 and in the connecting piece 22, the channel has two mutually perpendicular sections, so that a total of a U-shape of the channel 21 results.
  • the second working space 17 is arranged via a channel 23 in an extension piece 24 of the rear part 14. He also runs in a rear connection piece 25th
  • the piston-cylinder unit 2 consists essentially of a cylinder tube 27 in which a piston 28 is slidably mounted and sealed.
  • the piston 28 of the piston-cylinder unit 2 and the piston 18 of the piston-cylinder unit 3 have the same diameter and due to the coupling by the piston rod 4 the same stroke.
  • piston rod 4 opposite side of the piston 28 is another piston rod 30, which leads to a further piston 31 connected thereto.
  • the piston 31 is located in a portion of the cylinder tube 27, in which this has a relation to the piston 28 and the corresponding thereto working chamber 32 reduced diameter.
  • the unit formed by the pistons 28 and 31 (and the piston rod 30) is thus a stepped piston which is mounted so as to be axially displaceable in a correspondingly stepped bore of the cylinder tube 27.
  • a circular peripheral outer cutting edge 33 is formed, the wall thickness is significantly reduced compared to the remaining wall thickness of the cylinder tube 27, wherein the transition from the cutting edge 33 in the remaining wall of the cylinder tube 27 takes place in the form of a radial step 34 .
  • the front 6 of the vacuum gripper 1 is also provided with an inner cutting edge 35 which is also circular in shape and concentric with the outer cutting edge 33. Opposite the leading edge of the outer cutter 33, the leading edge of the inner cutter 35 is slightly set back.
  • the inner diameter in the region of the inner cutting edge 35 corresponds to the diameter of the front, smaller diameter piston 31.
  • the circular cross-section bounded by the inner cutter 35 defines an inner suction region 36.
  • the annular region located between the inner suction region 36 and the outer cutter 33 defines an outer suction region 37.
  • the outer suction region 37 is 180 ° over two offset from each other arranged holes 38 connected to a limited by the piston 28 right working space 39.
  • the right working chamber 40 of the piston-cylinder unit 3 is acted upon with compressed air. whereby also the two pistons 28 and 31 to the left in the in FIG. 5b shown position to be moved.
  • the working space 39, which is located to the right of the piston 28, and the interior 41 corresponding to the inner suction region 36, in the reduced diameter portion of the cylinder tube 27 are greatly increased in this way, so that generates a negative pressure in both suction regions 36, 37 is fixed, the Gutsstrang 7 securely to the vacuum gripper 1.
  • the inner suction region 36 acts on an inner fixing region 42 on the surface of the Gutsstrangs 7 and the outer suction region 37 corresponding to an outer fixing region 43 on the surface of the Gutsstrangs. 7
  • the diameter of the piston 28 and 31 By selecting the diameter of the piston 28 and 31, the diameter of the piston rod 4 and the diameter and number of holes 38 which can be influenced in the suction regions 36 and 37 after a stroke of the responsible for the drive piston 18 negative pressures. In this case, it makes sense to choose the negative pressure arising in the inner suction region 36 to be greater than in the outer suction region 37, since the inner suction region 36 is arranged "protected" by the outer suction region 37.
  • the Gutsstrang 7 After the Gutsstrang 7 has been fixed by activation of the vacuum gripper, the Gutsstrang 7 can be advanced together with the vacuum gripper 1 to the cutter, while at the front end of Gutsstrangs 7 successive slices are cut. Shortly before the outer cutting edge 33 enters the area of action of the cutting blade of the cutting device, the feed motion is interrupted. A reliable discharge of then still adhering to the vacuum gripper 1 remaining piece of Gutsstrangs 7 is achieved by pressurizing the working space 20 via the connecting piece 25, the piston 28 and 31 not only in the in FIG. 5a shown start position, but also to an additional hub 44 (see FIG. 5a ) to the right until the piston 28 abuts the step resulting in the diameter jump in the cylinder tube 27.
  • FIG. 6 it follows that three vacuum grippers 1, as in the Figures 1 to 5b are described, are arranged parallel to each other in a base frame 45 of a gripper device 46.
  • the connecting pieces 25 and 22 of the respective rear piston-cylinder unit 3 for actuating the front piston-cylinder units 2 for generating the negative pressure are over Compressed air lines 52 and 53 connected in parallel, so that for three juxtaposed Gutsstrfite 7 always generated at the same time the negative pressure for fixing or canceled and the remaining remaining pieces are ejected.
  • the base frame 45 of the gripper device 46 is known and used in an identical design for receiving classic purely mechanical gripper in which a gripper hook penetrates due to pneumatic actuation in the rear end of the Gutsstrangs 7 with its gripper tines, and after completion of the cutting operation also due to pneumatic operation, the gripper tines be pulled out of the remnant piece.
  • the existing base frame 45 and the already existing there compressed air connections can thus be used both for vacuum gripper 1 and for mechanical grippers not shown in the figures with gripper tines.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Food-Manufacturing Devices (AREA)
  • Vacuum Packaging (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Manipulator (AREA)
  • Nonmetal Cutting Devices (AREA)
EP20090152994 2008-02-29 2009-02-17 Verfahren zum Schneiden eines strangförmigen Lebensmittels sowie Schneidmaschine Withdrawn EP2095920A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810011979 DE102008011979B9 (de) 2008-02-29 2008-02-29 Verfahren zum Schneiden eines strangförmigen Lebensmittels sowie Schneidmaschine

Publications (1)

Publication Number Publication Date
EP2095920A1 true EP2095920A1 (de) 2009-09-02

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Application Number Title Priority Date Filing Date
EP20090152994 Withdrawn EP2095920A1 (de) 2008-02-29 2009-02-17 Verfahren zum Schneiden eines strangförmigen Lebensmittels sowie Schneidmaschine

Country Status (5)

Country Link
US (1) US20100050835A1 (ru)
EP (1) EP2095920A1 (ru)
CN (1) CN101518909A (ru)
DE (1) DE102008011979B9 (ru)
RU (1) RU2482960C2 (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011012880A1 (de) 2010-10-01 2012-04-05 CFS Bühl GmbH Vakuumgreifer
EP2554344A1 (de) 2010-08-04 2013-02-06 Deutsches Institut für Lebensmitteltechnik e.V. Vorrichtung und Verfahren zum Halten von Lebensmitteln

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009044048A1 (de) * 2009-09-18 2011-03-24 Reifenhäuser, Uwe, Dipl.-Ing. Verfahren und Vorrichtung zum Schneiden eines Lebensmittelstrangs in Scheiben
DE102017102385A1 (de) 2017-02-07 2018-08-09 Weber Maschinenbau Gmbh Breidenbach Greifer, Schneidvorrichtung und Verfahren zum Schneiden eines Produkts
DE102017126377A1 (de) 2017-11-10 2019-05-16 Weber Maschinenbau Gmbh Breidenbach Greifer
CN110604449B (zh) * 2019-10-22 2021-05-07 浙江厚达智能科技股份有限公司 条形中药材管式去皮装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3880295A (en) 1973-11-08 1975-04-29 Thermoplastic Engineering Inc Vacuum gripper device for slicing machine
US3894457A (en) * 1971-05-24 1975-07-15 Kraftco Corp Method of rapid slicing
US4015494A (en) * 1975-06-24 1977-04-05 Cashin Systems Corporation Cold cut slicing system
DE8007660U1 (de) * 1980-03-20 1984-01-26 Dipl.-Ing. Schindler & Wagner KG, 7067 Plüderhausen Schneidmaschine
DE10024913A1 (de) 2000-05-19 2001-11-29 Schindler & Wagner Gmbh & Co Schneidmaschine für laibförmige Produkte
EP1400324A1 (en) * 2002-09-19 2004-03-24 Gianbon S.R.L. A grip device for products to be automatically sliced
DE102005010184A1 (de) 2005-03-02 2006-09-07 Cfs Kempten Gmbh Greifer mit Anlageflächen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU444636A1 (ru) * 1972-02-09 1974-09-30 Ленинградское Специальное Конструкторское Бюро Треста "Росреммехпроект" Приспособление дл удержани пищевых продуктов при резке
SU1143590A1 (ru) * 1983-04-27 1985-03-07 Московский институт народного хозяйства им.Г.В.Плеханова Устройство дл разрезани на куски пищевых продуктов

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894457A (en) * 1971-05-24 1975-07-15 Kraftco Corp Method of rapid slicing
US3880295A (en) 1973-11-08 1975-04-29 Thermoplastic Engineering Inc Vacuum gripper device for slicing machine
US4015494A (en) * 1975-06-24 1977-04-05 Cashin Systems Corporation Cold cut slicing system
DE8007660U1 (de) * 1980-03-20 1984-01-26 Dipl.-Ing. Schindler & Wagner KG, 7067 Plüderhausen Schneidmaschine
DE10024913A1 (de) 2000-05-19 2001-11-29 Schindler & Wagner Gmbh & Co Schneidmaschine für laibförmige Produkte
EP1400324A1 (en) * 2002-09-19 2004-03-24 Gianbon S.R.L. A grip device for products to be automatically sliced
DE102005010184A1 (de) 2005-03-02 2006-09-07 Cfs Kempten Gmbh Greifer mit Anlageflächen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2554344A1 (de) 2010-08-04 2013-02-06 Deutsches Institut für Lebensmitteltechnik e.V. Vorrichtung und Verfahren zum Halten von Lebensmitteln
DE102011012880A1 (de) 2010-10-01 2012-04-05 CFS Bühl GmbH Vakuumgreifer
WO2012041491A1 (de) 2010-10-01 2012-04-05 CFS Bühl GmbH Vakuumgreifer
DE102011012880B4 (de) * 2010-10-01 2014-03-20 CFS Bühl GmbH Hochleistungsschneidemaschine mit einem Greifer

Also Published As

Publication number Publication date
DE102008011979A1 (de) 2009-09-10
CN101518909A (zh) 2009-09-02
RU2009107267A (ru) 2010-09-10
US20100050835A1 (en) 2010-03-04
RU2482960C2 (ru) 2013-05-27
DE102008011979B4 (de) 2009-10-15
DE102008011979B9 (de) 2010-01-28

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