EP0306012A2 - Méthode et appareil pour couper des produits alimentaires - Google Patents

Méthode et appareil pour couper des produits alimentaires Download PDF

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Publication number
EP0306012A2
EP0306012A2 EP88114233A EP88114233A EP0306012A2 EP 0306012 A2 EP0306012 A2 EP 0306012A2 EP 88114233 A EP88114233 A EP 88114233A EP 88114233 A EP88114233 A EP 88114233A EP 0306012 A2 EP0306012 A2 EP 0306012A2
Authority
EP
European Patent Office
Prior art keywords
piston
strand
meat
knife
molding press
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
EP88114233A
Other languages
German (de)
English (en)
Other versions
EP0306012B1 (fr
EP0306012A3 (en
Inventor
Ludger Glass
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.)
Glass Horst
Original Assignee
Glass Horst
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 Glass Horst filed Critical Glass Horst
Priority to AT88114233T priority Critical patent/ATE85767T1/de
Publication of EP0306012A2 publication Critical patent/EP0306012A2/fr
Publication of EP0306012A3 publication Critical patent/EP0306012A3/de
Application granted granted Critical
Publication of EP0306012B1 publication Critical patent/EP0306012B1/fr
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
    • B26D7/30—Means for performing other operations combined with cutting for weighing cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/26—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut
    • B26D1/28—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut and rotating continuously in one direction during cutting
    • 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
    • B26D7/0608—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by pushers
    • 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
    • B26D2210/04—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers controlling the volume by pressing the food product, e.g. meat to a predetermined shape before cutting

Definitions

  • the invention relates to a method for cutting strands of food, in particular strands of meat, according to the preamble of claim 1 and a device for performing this method.
  • meat for example schnitzel, roulades, chops or the like, has mostly been cut by hand, the cuts being made in such a way that portions with at least approximately uniform weight are produced.
  • a method is also known in which the meat strand is first frozen at a temperature of approximately -2 to -4 ° C. and then pressed to a uniform cross-sectional shape in a suitable molding press.
  • the slightly frozen meat retains its uniform cross-sectional shape even after it has been removed from the press and can then be cut into uniform portions using a slicer or slicer.
  • this method is relatively cumbersome and time-consuming and requires the use of at least two workers, one of whom operates the molding press and the other the slicing machine, in the case of assembly line production in large companies.
  • the invention has for its object to provide a simpler and more efficient method for cutting strands of meat or other strands of food, which nevertheless allows an exact maintenance of the desired weight.
  • Another object of the invention is to provide a suitable device for carrying out this method.
  • the strand is pressed in the molding press and when the mold is closed with the aid of a piston which can be inserted axially into the mold at a predetermined pressure against a knife arranged on the opposite end of the strand, so that the meat strand is compressed to a minimum volume.
  • the knife is then moved into a waiting position in which it releases the meat strand, the strand is advanced by a certain amount with the aid of the piston, and the protruding end of the strand is cut off with the knife. After the cut, the knife is stopped in the waiting position and the strand is advanced again so that the next slice can be cut off.
  • the strand enclosed in the molding press and between the piston and the knife maintains its compact shape so that the uniform cross section is maintained and no voids can arise in the meat. Since both the volume determined by the constant cross-section and the feed path and the density of the meat are constant, the cut slices have a uniform weight within narrow tolerances.
  • the strand in the molding press is pressed with a predetermined pressure against a stop surface arranged on the opposite end of the strand with the aid of an axially insertable piston, so that the strand of meat is compressed to a minimum volume.
  • this stop surface is a side surface of a knife
  • the strand then releases so that it can be advanced by a predetermined amount with the aid of the piston, then rotates once and cuts off the projecting end of the strand.
  • the cycle time must be very short, in particular less than 1/2 second. Otherwise, this embodiment of the invention is particularly suitable for relatively solid and consistent clippings.
  • the strand inside the molding press is pressed with the aid of the piston against a stop surface formed by a counter-piston.
  • the counter-piston is located on the other side of the knife level and is located within two catch jaws that open and close transversely to the direction of the strand and form a cavity that corresponds to the internal cross section of the molding press, the cavity of which is thus somewhat extended. There is a small space between the molding press and the collecting jaws through which the knife can rotate.
  • the chips are mostly transported to a breading device with the aid of a conveyor belt.
  • the cutting frequency is relatively high in relation to the throughput of the chips through the breading device, so that it is expedient to rearrange the chips on the conveyor belt between the cutting device of the breading device in such a way that several chips enter the breading device at the same time.
  • the remaining pieces after the complete cutting of a strand must be sorted out on the conveyor belt, since these do not have the intended weight.
  • the conveyor belt is preferably controlled in dependence on the working rhythm of the cutting device such that this sorting work can be carried out by the operator for the cutting device.
  • the conveyor belt is driven continuously during the cutting processes. However, as soon as the strand is cut open and the piston moves back to the starting position, the conveyor belt is stopped, so that the operator has time to insert a new strand of meat and to put the cutting device into operation again before continuing the sorting work.
  • the method according to the invention can also be used to cut strands of meat containing bone, for example cutlets.
  • the molding press is preferably equipped with jaws, the shape of which is adapted approximately to the cross-sectional shape of the strand.
  • the piston can also be adapted to this cross-sectional shape by means of a suitable extension piece. The axial contact pressure of the piston is adjusted in such a way that cartilage parts, such as the intervertebral discs in a chop strand, are pressed firmly together, but breakage of the bones is avoided.
  • a cutting device 10 for example for chips, comprises a drive unit 12, a molding press 14, a piston 16 which can be inserted axially into the molding press and a wing-like knife 18 which is rotatably arranged on an end face of the molding press.
  • a removal device 22 and a conveyor belt 24 are arranged.
  • a container for collecting the chips can also be provided below the knife 18 of the cutting device.
  • the molding press 14 comprises a fixed base plate 26 and a jaw 28 which is firmly screwed thereto, and a jaw 30 which can be slid on the base plate 26 and which carries a cover plate 32 which is firmly screwed to the upper end.
  • the base plate 26 and the jaws 28, 30 consist of food-compatible plastic, while the cover plate 32 is made of stainless steel.
  • the jaws 28, 30 each have an approximately semicircular hollow 34, so that an inserted meat strand 36 (FIG. 1) is pressed into a circular or oval cross-sectional shape.
  • the cover plate 32 slides onto the upper surface of the fixed jaw 28, so that the compressed one dodges Meat is prevented upwards.
  • the cutting edge-shaped lower edge 38 of the movable jaw 30 slides over the base plate 26 without a gap.
  • the movable jaw 30 is provided on its upper side with two guide bushes 40 and guided on guide rods 42.
  • the drive for the movable jaw 30 is arranged, for example, below the base plate 26 and connected to the jaw through a slot 44.
  • the piston 16 has a circular cross section adapted to the cavity 34 of the jaws 28, 30, but can be enlarged when processing larger meat strands by means of an extension piece 46 indicated by a dash-dotted line in FIG. 1. In the middle of its end face, the piston 16 has a projecting, spring-supported pushbutton 48.
  • the pushbutton 48 is held in its position by an end plate 50 screwed onto the piston 16.
  • Two screws 52 projecting from the push button are used for axial guidance, which engage in channels of the piston body and are surrounded by disc springs 54 for pretensioning the push button.
  • the pushbutton 48 is pushed back into the interior of the piston 16 by the meat strand 36 against the force of the plate spring 54, one end of one of the screws 52 actuates a magnetic switch 56. In this way it is indicated that the piston has the desired contact pressure on the meat strand exercises.
  • the extension piece 46 shown in detail in FIG. 4 can be plugged onto the piston from the side and has a cavity 58 adapted to the peripheral surface of the piston.
  • the knife 18 is mounted on a knife shaft 64, which is arranged laterally next to the molding press 14, preferably above the base plate 26, so that no cleaning liquid penetrates into the bearings of the knife shaft when the molding press is cleaned.
  • the knife has an arcuate cutting edge 66 and, during a cutting process, moves directly past the ends of the jaws 28, 30 received in a window 68 of a housing wall 70, so that the protruding end of the meat strand is cut cleanly with a pulling cut.
  • the removal device 22 and the conveyor belt 24 have a conventional construction and are therefore not to be described in detail.
  • the drive unit 12 of the cutting device 10 has a motor 72 which can be driven in opposite directions for driving the piston 16 and a further motor 74 which can likewise be driven in opposite directions for driving the movable jaw 30, the knife 18 and the removal device 22.
  • the motor 72 is connected to a spindle drive 80 for the piston 16 via a drive belt 76 and a magnetic coupling 78.
  • the motor 74 drives a transmission shaft 82, which in turn is connected via couplings 84 and drive belts 86, 88, 90 to drive shafts 92, 94 for the movable jaw 30 and the removal device 22 and to the cutter shaft 64.
  • the motors 72, 74 and the clutches 78, 84 are controlled by a control unit 96, which uses sensors such as limit switches and the like to determine the respective positions of the driven components of the device.
  • the meat strand 36 is inserted and the device is started.
  • the movable jaw 30 is advanced in the direction of the fixed jaw 28 until a limit switch 98 (FIG. 2) attached in the cavity 34 of the jaw 30 strikes the circumference of the piston 16 or the extension piece 46 and indicates the complete positive locking.
  • the meat strand 36 is compressed to a uniform cross-sectional shape over its entire length.
  • the knife 18 is in a position in which it closes the cavity of the molding press 14.
  • the piston 16 is advanced so that the meat strand 36 supported on the knife 18 is also compressed in the axial direction.
  • the magnetic switch 56 indicates that a certain contact pressure has been reached
  • the piston 16 is stopped and the knife 18 is moved into the waiting position shown in FIG.
  • the piston 16 is advanced by a certain preset path with the aid of an NC control contained in the control unit 96, so that the meat strand 36 is pressed out of the molding press by a corresponding path.
  • the knife shaft 64 is driven again so that the knife 18 describes a complete circle and cuts off the end of the meat strand 36 with a corresponding swing.
  • the meat strand is advanced again by the same amount, while the knife 18 is stopped in the waiting position until the next cut is made.
  • the entire meat strand is cut open little by little.
  • the cut chips 20 are taken over by the receiving device 22 in the working cycle of the cutting device 10 and transferred to the continuously running conveyor belt 24.
  • the chips are arranged next to one another in several rows by an operator. If it is sensed by a limit switch that the piston 16 has reached its end position, the piston is withdrawn into the starting position and the molding press open. During the backward movement of the piston, the conveyor belt 24 is stopped, so that the operator can interrupt the sorting work and insert a new strand of meat into the molding press 14.
  • the conveyor belt is only put into operation again when the cutting processes are reinserted, so that the operator can continue his sorting and monitoring work.
  • the motors 72, 74 of the drive unit 12 are in continuous operation.
  • the movement sequences are controlled by actuating the magnetic clutches 78, 84, which act as brakes when disengaged and hold the driven part in the desired rest position until the movement is resumed.
  • a high clock frequency is achieved in this way. Only a fraction of a second passes between the release of the end face of the meat strand 36 by the knife 18 and the execution of the next cut, so that practically no deformation of the meat occurs during this time.
  • a hydraulic cylinder can be provided in the interest of a higher working speed.
  • FIGS. 5 to 7 illustrate an embodiment of the invention which is advantageous in the interest of more precise portioning, in particular in the case of meat which has not previously been frozen.
  • the device explained below is based on the embodiment shown in FIG. 1.
  • the removal device 22 is omitted.
  • the additional devices shown in FIGS. 5 to 7 are provided in front of the front housing wall 70 in the region of the exit position of the meat strand 36.
  • FIG. 5 is a front view of the modified embodiment, that is to say a view from below in FIG. 1.
  • FIG. 6 is an associated top view
  • FIG. 7 shows a corresponding side view.
  • Pneumatic cylinders 122, 124 are fastened to the outside of the trestles 100, 102, the inward-facing piston rods 126, 128 thereof being connected to the associated guide piece 112, 114.
  • the pneumatic cylinders allow the inserts 116, 118 to be pulled apart and pushed together and thus the opening 120 to be opened and closed in cycles.
  • an L-shaped arm 130 is attached to the housing wall 70, the free leg 132 of which extends to the recess 120.
  • a spindle 134 lying in the axis of the recess 120 penetrates the end region of the leg 132 with threaded engagement and carries a counter-piston 136 lying inside the recess 120.
  • a handwheel 138 is fastened to the outer end of the spindle 134, which is at the bottom in FIG. 6.
  • By adjusting the piston 136 With the help of the handwheel 138, the volume of the cavity 114 delimited by the inserts 116, 118 and the counter-piston 136 can be changed.
  • another adjustment mechanism for example a hydraulic cylinder, can be provided.
  • a vertically upstanding support plate 142 is fastened above the outlet opening of the meat strand 36, on which a pneumatic cylinder 146 is held via a holder 144, the piston rod 148 of which is directed vertically downward.
  • a downward ejector 150 is attached to the lower end of the piston rod 148.
  • the catch jaws 108, 110 are pulled apart laterally with the aid of the pneumatic cylinders 122, 124, and the cut piece of meat, which under certain circumstances still adheres to the meat strand 36 or also the counter-piston 136, is pressed down with the aid of the ejector 150.
  • the opening and closing movements of the catch jaws 108, 110 and the lowering movement of the ejector 150 take place in time with the rotation of the knife. After the catch jaws have closed, the piston 16 is advanced one step at a time.
  • the controller 96 can be a CNC controller that largely automatically regulates the individual movement sequences.
  • the CNC control can offer different possibilities for adjusting the feed of the piston 16. On the one hand, it can divide the determined weight in such a way that the piece of meat inserted is completely consumed and slices are formed which are as close as possible to a predetermined target weight. On the other hand, an exact target weight can also be set, provided that a remainder can be accepted. In addition, under certain circumstances it can also be provided that the computer optimally distributes a piece of meat with different target weights that are considered.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
EP88114233A 1987-08-31 1988-08-31 Méthode et appareil pour couper des produits alimentaires Expired - Lifetime EP0306012B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88114233T ATE85767T1 (de) 1987-08-31 1988-08-31 Verfahren und vorrichtung zum schneiden von lebensmittelstraengen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3729061 1987-08-31
DE19873729061 DE3729061A1 (de) 1987-08-31 1987-08-31 Verfahren und vorrichtung zum schneiden von lebensmittelstraengen

Publications (3)

Publication Number Publication Date
EP0306012A2 true EP0306012A2 (fr) 1989-03-08
EP0306012A3 EP0306012A3 (en) 1990-06-13
EP0306012B1 EP0306012B1 (fr) 1993-02-17

Family

ID=6334897

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88114233A Expired - Lifetime EP0306012B1 (fr) 1987-08-31 1988-08-31 Méthode et appareil pour couper des produits alimentaires

Country Status (4)

Country Link
EP (1) EP0306012B1 (fr)
AT (1) ATE85767T1 (fr)
DE (2) DE3729061A1 (fr)
ES (1) ES2037163T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996012411A1 (fr) * 1994-10-24 1996-05-02 Charles Gahmberg Procede et dispositif de coupe de viande
DE19735597A1 (de) * 1997-08-15 1999-02-25 Schill Maja Masch Vorrichtung zum Portionieren eines Fleischstücks
DE19921047A1 (de) * 1999-05-07 2000-11-09 Schill Maja Masch Vorrichtung zum Portionieren eines Fleischstücks
US6390799B1 (en) 1998-02-17 2002-05-21 Thomas Volkl Calibrated cutting device
WO2006024467A2 (fr) 2004-08-30 2006-03-09 Voelkl Thomas Dispositif et procede de division en portions
WO2006024469A2 (fr) 2004-08-30 2006-03-09 Voelkl Thomas Dispositif et procede de division en portions
US20110159162A1 (en) * 2007-05-04 2011-06-30 Maja-Maschinenfabrik Hermann Schill Gmbh & Co. Kg Apparatus and method for portioning food
DE102010035657B4 (de) * 2010-03-19 2015-01-29 Anton & Völkl Patente Ug (Haftungsbeschränkt) & Co. Kg Portioniermaschine
CN112092053A (zh) * 2020-08-12 2020-12-18 肖富贵 一种胡萝卜切片装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102222315B1 (ko) * 2018-12-13 2021-03-03 이근영 냉장육 정량 육절기

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU27759A1 (fr) * 1945-09-15 1945-11-15
FR1474083A (fr) * 1966-02-01 1967-03-24 Machine pour découper en tranches le pâté en croûte
US4356205A (en) * 1980-10-24 1982-10-26 Formax, Inc. Method and apparatus for cutting controlled-volume meat portions from a segment of fresh whole-muscle meat
DE3232045A1 (de) * 1982-08-27 1984-03-01 Kurt 4010 Hilden Warnke Vorrichtung zum zerteilen eines gegenstandes, insbesondere zum schneiden eines brotes in scheiben

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU27759A1 (fr) * 1945-09-15 1945-11-15
FR1474083A (fr) * 1966-02-01 1967-03-24 Machine pour découper en tranches le pâté en croûte
US4356205A (en) * 1980-10-24 1982-10-26 Formax, Inc. Method and apparatus for cutting controlled-volume meat portions from a segment of fresh whole-muscle meat
DE3232045A1 (de) * 1982-08-27 1984-03-01 Kurt 4010 Hilden Warnke Vorrichtung zum zerteilen eines gegenstandes, insbesondere zum schneiden eines brotes in scheiben

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996012411A1 (fr) * 1994-10-24 1996-05-02 Charles Gahmberg Procede et dispositif de coupe de viande
US6101913A (en) * 1994-10-24 2000-08-15 Gahmberg; Charles E. C. Device for cutting meat
DE19735597A1 (de) * 1997-08-15 1999-02-25 Schill Maja Masch Vorrichtung zum Portionieren eines Fleischstücks
EP1003631B1 (fr) * 1997-08-15 2001-04-04 Maja-Maschinenfabrik Hermann Schill GmbH Dispositif permettant de couper un morceau de viande en portions
US6390799B1 (en) 1998-02-17 2002-05-21 Thomas Volkl Calibrated cutting device
DE19921047A1 (de) * 1999-05-07 2000-11-09 Schill Maja Masch Vorrichtung zum Portionieren eines Fleischstücks
WO2006024469A3 (fr) * 2004-08-30 2006-07-27 Thomas Voelkl Dispositif et procede de division en portions
WO2006024469A2 (fr) 2004-08-30 2006-03-09 Voelkl Thomas Dispositif et procede de division en portions
WO2006024467A2 (fr) 2004-08-30 2006-03-09 Voelkl Thomas Dispositif et procede de division en portions
WO2006024467A3 (fr) * 2004-08-30 2006-08-03 Thomas Voelkl Dispositif et procede de division en portions
DE102004041915B4 (de) * 2004-08-30 2017-08-24 Tvi Entwicklung Und Produktion Gmbh Vorrichtungen und Verfahren zum Portionieren
US20110159162A1 (en) * 2007-05-04 2011-06-30 Maja-Maschinenfabrik Hermann Schill Gmbh & Co. Kg Apparatus and method for portioning food
US8622727B2 (en) * 2007-05-04 2014-01-07 Maja-Maschinenfabrik Hermann Schill Gmbh & Co. Kg Apparatus and method for portioning food
DE102010035657B4 (de) * 2010-03-19 2015-01-29 Anton & Völkl Patente Ug (Haftungsbeschränkt) & Co. Kg Portioniermaschine
CN112092053A (zh) * 2020-08-12 2020-12-18 肖富贵 一种胡萝卜切片装置
CN112092053B (zh) * 2020-08-12 2022-05-31 肖富贵 一种胡萝卜切片装置

Also Published As

Publication number Publication date
ATE85767T1 (de) 1993-03-15
EP0306012B1 (fr) 1993-02-17
DE3729061A1 (de) 1989-03-09
ES2037163T3 (es) 1993-06-16
DE3878509D1 (de) 1993-03-25
EP0306012A3 (en) 1990-06-13

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