EP0813908A1 - Système de coupe et/ou de support pour hachoirs de produits alimentaires - Google Patents

Système de coupe et/ou de support pour hachoirs de produits alimentaires Download PDF

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Publication number
EP0813908A1
EP0813908A1 EP97109801A EP97109801A EP0813908A1 EP 0813908 A1 EP0813908 A1 EP 0813908A1 EP 97109801 A EP97109801 A EP 97109801A EP 97109801 A EP97109801 A EP 97109801A EP 0813908 A1 EP0813908 A1 EP 0813908A1
Authority
EP
European Patent Office
Prior art keywords
cutting
cutter
knives
screw
storage systems
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
EP97109801A
Other languages
German (de)
English (en)
Other versions
EP0813908B1 (fr
Inventor
Michael Mössmer
Eberhard Dr. Haack
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.)
Maschinenfabrik Dornhan GmbH
Original Assignee
Maschinenfabrik Dornhan GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Dornhan GmbH filed Critical Maschinenfabrik Dornhan GmbH
Publication of EP0813908A1 publication Critical patent/EP0813908A1/fr
Application granted granted Critical
Publication of EP0813908B1 publication Critical patent/EP0813908B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/36—Knives or perforated discs
    • B02C18/365—Perforated discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/301—Mincing machines with perforated discs and feeding worms with horizontal axis
    • B02C18/302—Mincing machines with perforated discs and feeding worms with horizontal axis with a knife-perforated disc unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/36—Knives or perforated discs
    • B02C18/362—Knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/30—Mincing machines with perforated discs and feeding worms
    • B02C18/36—Knives or perforated discs
    • B02C2018/367—Resiliently mounted knives or discs

Definitions

  • the invention relates to cutting and / or storage systems for food comminution machines that work on the wolf principle and can be equipped with several screw systems, according to the preamble of claim 1.
  • the feed and working screws are stored in different levels and at the transition points from the feeding screw to the working screw, it is already known to design and implement the screw bodies in a particularly constructive manner in order to ensure a qualitative transition or transfer of the raw material from the feed - to reach the working screw.
  • DD 289 220 A5 describes a feed screw in meat grinders that has a conveying pulse piece in the receiving area of the raw material to be minced, which consists of a 1 ⁇ 4 to 1 ⁇ 2 screw flight, is single or multiple and whose flight height is up to 20% compared to the screw flight height of the feed screw is.
  • installation elements are arranged in the feed hopper above the feed screws, which thus form a pressure chamber.
  • a further disadvantage of the meat mincers of this type is that a high level of design and production expenditure has to be made for the storage of the feeder screws in order to ensure the functionality of such meat mincers. Even the execution of the storage of the feeder screws in the form of overhung shafts / screws does not reduce the expenditure for their production, nor does it reduce the assembly and disassembly times. A large distance from the funnel wall or in the transfer point is the efficiency by 30 to 50%.
  • the object of the present invention is to develop cutting and storage systems for food comminution machines and for machines which work on the wolf principle, in particular for meat grinders with a plurality of screw systems, with which a pressure-promoting and at the same time comminution-effective transfer of the wolf material from the feeder screws to the downstream work screw the wear of the individual components is also to be reduced, the service life of the machine is increased, energy is saved and good raw material transfer conditions are to be achieved at the transfer areas.
  • the solution according to the invention is characterized in that a double-cutting system is arranged between the feeder screws and the work screw, which pre-shredded the raw material that is supplied by the feeder screws stored in parallel, transferred it to the downstream work screw in pre-shredded form and prevented the backflow of raw material and completes the crushing and conveying process.
  • the double-cutting system is braced by means of a position-secured filler piece using external clamping forces.
  • the double cutting system consists of two pre-cutters arranged next to each other, each of which is assigned an upstream knife.
  • the two pre-cutters provided next to each other are designed as one element, a so-called double pre-cutter, which is provided directly at the outlet of the feeder screws and is preceded by a knife, the respective knife being positioned at a specific angle to the last screw flight of the respective feeder screw.
  • the single-stage double pre-cutter has center bores for receiving the bearing pins of the feed screws, to which bearing bushes are assigned and has corresponding webs between which the through openings for the raw material lie, which have an opening dimension that is equal to that of the opening widths of the screw flights of the feed screws and in the transfer area corresponds to the working screw.
  • the direct arrangement of the double pre-cutter is designed so that it is placed on the pins of the feeder screws, stored on the circumferential side in the pressure housing and braced by means of a filler and closure piece.
  • the double cutting system can be equipped with further cutting set parts for the cutting set parts already described, the pre-cutter and the associated knife. This is done in such a way that the knife is assigned a perforated disc and then a further knife and a further perforated disc. Thus the possibility of using single and multiple cutting sets is given.
  • the knives are driven by the respective knife pins, which are positively mounted in the feeder screws.
  • the bearing arrangement of the feed screw to the arranged working screw is designed so that the axes of these screws lie in one plane and the storage of the double pre-cutter is designed in such a way that the filling and sealing part is over-soaped and clamped with a counterpart, which presses directly against the double pre-cutter.
  • the filling and closure piece is braced by means of a bracket which has a quick-release device and thus directly secures the central axis positioning of the respective work screw to the feeder screws as well as to the provided double pre-cutter and the other cutting set parts.
  • the knives arranged upstream of the double pre-cutter are arranged offset on the worm pin by a certain angle and thus ensure unobstructed rotation and cutting of the knives.
  • the knife is carried along the last screw flight of the feeder screw, by positive locking between the knife body and the milling in the last screw flight or by knife journals, which are positively mounted in the center holes of the feeder screws.
  • a spacing and wear-reducing circulation of the knives to the double pre-cutter is ensured in that the knives have on their knife bars circumferentially segment-shaped support elements which are equipped with pin-like plastic bolts which act as sliding aids.
  • the width of these plastic bolts is adapted to that of the knives and guarantees a low-wear rotating rotation of the knives to the double pre-cutter.
  • the knives themselves are arranged on the bearing journal at an angle of preferably 30 to 50 ° to the last worm threads of the feeder screws and thus rotate with respect to one another in the manner of a gearwheel.
  • the knives are spring-loaded or non-positively via the filler and closure piece.
  • the double pre-cutter with its bearing bushes is positively carried by the filler and closure piece and centered over the bearing journals, which are installed in the respective feed screw with a spring.
  • the bearing journals themselves are arranged in the center of the respective knife body; a collar or larger diameter of the respective bearing journal can thus create a shear stress between the double pre-cutter, the knife body and possibly other parts, such as perforated disks, when the screw springs are pressed together against the knife bodies which are positively accommodated in the last screw flight of the feeder screws and other knives.
  • the second form of generation of the cutting tension takes place in that the knives are provided between two perforated disks and are tensioned by the filler and closure piece via external forces.
  • the rotary movement is generated by the form-fitting knife bodies and knife pins via the feed screws.
  • the tension between these parts is achieved in that the filler and closure piece press all the cutting set parts, including the double pre-cutter, also known as the double cutting insert, as far as it will go and tension the springs behind the bearing pins.
  • the cutting set parts are pressed against the double pre-cutters and the functionality of this cutting system is established.
  • Corresponding grooves in the last worm gear of the feeder screw transfer the rotating movements of the feeder screws to the knives by positive locking and thus produce a knife rotation to the fixed double pre-cutter, as a result of which the supplied wolf material is comminuted in portions.
  • a pressure chamber provided directly at the end of the feeder screw, in the area of the working screw, also supports the feeding of the wolf material into the double pre-cutter and provides the corresponding support on the circumference of the material to be wolfed.
  • the feed screws arranged on one level and the working screw arranged thereon ensure that the pre-shredded portioned raw material is distributed evenly over the entire length of the working screw, taken up by the respective screw flight chambers of the working screw, preferably 6 chambers, and in the pressure and cutting area of the working screw can be transported.
  • the high uniformity of the pre-shredded raw material ensures that it is evenly applied to the cutting systems downstream of the working screw under the necessary pressure is performed, which is ensured by low energy consumption, low wear and good quality of the comminution material.
  • the built-in double-cutting system between the feed screw and the working screw ensures that the backflow of raw materials from the working screw area is prevented, which additionally increases the efficiency of the machine.
  • feeder screws 1 and 2 show the storage and arrangement of the feeder screws 1 to the work screw 2, and it is shown at the same time that a double pre-cutter 3 is arranged in the transfer region 11 from feed screws 1 to the work screw 2.
  • the feeder screws 1 are mounted parallel to one another, their screw flights reach directly into the free spaces of the feeder screw 1 opposite each other and transport the wolf material to the transfer area 11 by means of the opposite rotational movement the pressure chamber 4, which is provided by appropriate installation elements in front of the transfer area or above the last screw flights of the feeder screws 1.
  • the double pre-cutter 3 which receives the journals of the feeder screws 1 via its bearing bushes 26.
  • FIG. 2 The direct arrangement and configuration of the mounting of the feeder screws 1 is shown specifically in FIG. 2, individual details of the left mounting of the feeder screws 1 and also the drive being shown only schematically. It is clear from this figure that the material to be wolfed is fed into the feed screw 7 in a very large area via the feed hopper 7, the feed screw 1 at the beginning, ie on the left side, having screw flights which are designed with a greater increase than the screw flights on the outlet side, in the transfer area 11 to the working screw 1. This reduction in the screw flights causes a certain compression of the raw material, this has a positive effect on the required pressure build-up of the raw material, which is still positively supported and influenced by the pressure chamber 4.
  • the feeder screws 1 lie with their axes in the plane of the work screw 1, so that storage from the feeder screws 1 to the work screw 2 is secured in one plane, which is supported by the filler and closure piece 5 or is guaranteed in terms of storage.
  • This filling and closing piece 5 is clamped over a bracket 9 by means of a quick-release fastener 8 such that this filling and closing piece 5 reaches over the worm screw 2 and at the same time acts on the double pre-cutter 3 and braces it.
  • the feeder screws 1 are supported with their axle journals and are also stored and positioned via the filler and closure piece 5.
  • This special design of the storage and the presence of the transfer space 11 ensure that both a quick disassembly and assembly of the worm 2, the double pre-cutter 3 and the knife 17 is made possible.
  • this transfer area 11 is shown again in FIG. 3 by a detailed view according to FIG. 2, and the assignment and assignment of the individual parts can be seen directly from this figure, the transfer area 11 and also the working space 10 of the working screw 2 being shown here and immediately is made clear.
  • the double pre-cutter 3 is shown in its entirety in FIG. 4, and it can be seen that the double pre-cutter 3 is designed as a so-called cutting plate 13, which preferably has a rectangular surface shape from which the double pre-cutter 3 was produced.
  • the double pre-cutter has 3 cutter bars / support bars 15; 27 with the machined cutting edges 12 and has the necessary through openings 16, which are designed in terms of size and area to the rotary valves of the feeder screws 1.
  • the double pre-cutter 3 is advantageously designed with three cutter bars / support beams 15; 27, the support beams 27 directed towards one another being designed in an expanded form, that is to say having a larger area, and thus imparting the necessary support and stability to the cutting plate 13 within this area .
  • the support plate 13 has central bores 14 which are equipped with separate bearing bushes 26 in order not only to give the feeder screws 1 adequate support but also good running properties in this area and likewise to provide a support effect for the knives 17 arranged in front of the double pre-cutter 3.
  • the knives 17 are specially designed, as can be seen from FIG. 5.
  • this knife 17 has knife bars 18 with associated cutting edges 28, these knife bars 18 being particularly configured in relation to the circumference, in that they result in a support ring 19 in the form of a segment.
  • the cutter bars 18 run from the center to the outside in a convex manner and form a tapering tip with the outside diameter of the cutter 17.
  • the support ring 19 formed in this manner in segments has blind holes on its circumference and on this surface area, into which pin-like plastic bolts 20 are inserted.
  • the arrangement or installation of the knives 17 for the double pre-cutter 3 takes place in such a way that these plastic bolts 20 come to rest on the end face of the double pre-cutter 3 and, due to their material nature, ensure that the knives 17 on the double pre-cutter 3 are worn with little wear.
  • the direct assignment and manner of installation of two knives 17 is shown in FIG. 6, from which it becomes clear that the knives 17 are likewise arranged in one axis when in use, but are offset from one another by certain angles.
  • FIG. 7 The direct arrangement and configuration of the storage area of the double pre-cutter 3 and the knife 17 with the respective feed screw 1 can be seen in FIG. 7. It is shown that a pressure piece 23 is inserted in the screw core 22 of the feed screw 1, which is resilient via corresponding tension springs 21 is stored. The immediate tensioning of the double pre-cutter 3, the knives 17 with the respective feed screw 1 then takes place via the filler and closure piece 5 to be used, as shown in FIGS. 2 and 3, with a positive connection of the knives 17 to the feeder screws 1 being provided via a groove 29.
  • FIG. 8 shows a cross section through the double cutter 3 in a sectional view, from which it can be seen how the bearing bushes 26 are arranged in the double pre-cutter 3.
  • the loading of the comminution material via the hopper 7 onto the feeder screws 1 is a longitudinal distribution, which at the same time ensures a multi-chamber distribution, whereby there is a uniform load on the entire machine.
  • the knives 17 arranged at the above-mentioned angles follow the rotary slide valves 24 of the feeder screws 1 in the operating state and ensure quality cutting, which is also ensured by the resilient mounting on the bearing journal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Formation And Processing Of Food Products (AREA)
EP97109801A 1996-06-20 1997-06-17 Système de coupe et/ou de support pour hachoirs de produits alimentaires Expired - Lifetime EP0813908B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19624573 1996-06-20
DE19624573 1996-06-20

Publications (2)

Publication Number Publication Date
EP0813908A1 true EP0813908A1 (fr) 1997-12-29
EP0813908B1 EP0813908B1 (fr) 2001-11-07

Family

ID=7797448

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97109801A Expired - Lifetime EP0813908B1 (fr) 1996-06-20 1997-06-17 Système de coupe et/ou de support pour hachoirs de produits alimentaires

Country Status (6)

Country Link
US (1) US5820041A (fr)
EP (1) EP0813908B1 (fr)
AT (1) ATE208234T1 (fr)
DE (1) DE19724831C2 (fr)
DK (1) DK0813908T3 (fr)
ES (1) ES2164281T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942837A1 (de) * 1999-09-08 2001-03-22 Fehb Gmbh Stendal Schneid- und Lagersystem

Families Citing this family (19)

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Publication number Priority date Publication date Assignee Title
DE29809485U1 (de) * 1998-05-28 1998-09-10 Kraemer & Grebe Kg Wolf zum Zerkleinern von Gefrier- und Frischfleisch
DE29911090U1 (de) 1999-06-25 1999-10-07 Kraemer & Grebe Kg Maschine zum Zerkleinern von organischem Schnittgut
DE10315315B3 (de) * 2003-02-20 2004-05-06 Oliver Haack Schneid- und Lagersystem für mehrachsige Förderwerke
US20050255222A1 (en) * 2003-08-20 2005-11-17 Kraft Foods Holdings, Inc. Method and apparatus for acceleration ingredient diffusion in meat
US7871655B2 (en) * 2003-08-20 2011-01-18 Kraft Foods Global Brands Llc Method and apparatus for accelerating formation of functional meat mixtures
US7488502B2 (en) * 2003-08-20 2009-02-10 Kraft Foods Global Brands Llc Method of making processed meat products
US20050255224A1 (en) * 2003-08-20 2005-11-17 Kraft Foods Holdings, Inc. Integrated continuous meat processing system
US20050249862A1 (en) * 2003-08-20 2005-11-10 Kraft Foods Holdings, Inc. Method and apparatus for controlling texture of meat products
US7169421B2 (en) * 2003-08-20 2007-01-30 Kraft Foods Holdings, Inc. Method of making processed meat products
US20050276903A1 (en) * 2003-08-20 2005-12-15 Kraft Foods Holdings, Inc. Method and apparatus for meat product manufacturing
US7857500B2 (en) 2003-08-20 2010-12-28 Kraft Foods Global Brands Llc Apparatus for vacuum-less meat processing
US7731998B2 (en) * 2003-08-20 2010-06-08 Kraft Foods Global Brands Llc Method for reducing protein exudate on meat product
US8172545B2 (en) * 2003-08-20 2012-05-08 Kraft Foods Global Brands Llc Method for controlling ground meat flow rates
RU2005108458A (ru) * 2005-03-28 2006-09-10 Эдуард Федорович Сыроватский (RU) Способ измельчения мяса, мясорубка, режущий узел мясорубки, сепаратор измельчаемого мяса (два варианта) и режущая пара мясорубки
US20080172887A1 (en) * 2007-01-22 2008-07-24 Potter Jack G Cutting Device and Associated Methods
US8641263B2 (en) 2008-11-24 2014-02-04 Kraft Foods Group Brands Llc Method and apparatus for continuous processing of whole muscle meat products
US8308342B2 (en) 2008-11-24 2012-11-13 Kraft Foods Global Brands Llc Processing elements for mixing meat products
US8187651B2 (en) * 2008-11-24 2012-05-29 Kraft Foods Global Brands Llc Method and apparatus for continuous processing of whole muscle meat products
EP2783572B1 (fr) 2013-03-28 2017-10-25 High Tech Equipamentos Industriais Ltda. Dispositif permettant de séparer la viande d'origine animale des os.

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BE490060A (fr) *
US1332135A (en) * 1919-01-29 1920-02-24 Miller Julius Meat-grinder
US2355355A (en) * 1942-04-11 1944-08-08 Toledo Scale Co Food handling apparatus
SU1058607A1 (ru) * 1982-06-07 1983-12-07 Московский Ордена Трудового Красного Знамени Технологический Институт Мясной И Молочной Промышленности Приемна решетка дл измельчающего волчка
SU1727901A1 (ru) * 1990-04-04 1992-04-23 Ленинградское Научно-Производственное Объединение По Созданию И Внедрению Технологического Оборудования, Средств Механизации И Автоматизации Производства Мясной И Молочной Промышленности Измельчитель материалов
DE4431959C1 (de) * 1994-09-08 1995-12-21 Dornhan Maschf Gmbh Fleischwolf
DE19508093A1 (de) * 1995-03-08 1996-09-12 Roland Dipl Ing Voigt Fleischwolf

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Publication number Priority date Publication date Assignee Title
BE490060A (fr) *
US1332135A (en) * 1919-01-29 1920-02-24 Miller Julius Meat-grinder
US2355355A (en) * 1942-04-11 1944-08-08 Toledo Scale Co Food handling apparatus
SU1058607A1 (ru) * 1982-06-07 1983-12-07 Московский Ордена Трудового Красного Знамени Технологический Институт Мясной И Молочной Промышленности Приемна решетка дл измельчающего волчка
SU1727901A1 (ru) * 1990-04-04 1992-04-23 Ленинградское Научно-Производственное Объединение По Созданию И Внедрению Технологического Оборудования, Средств Механизации И Автоматизации Производства Мясной И Молочной Промышленности Измельчитель материалов
DE4431959C1 (de) * 1994-09-08 1995-12-21 Dornhan Maschf Gmbh Fleischwolf
DE19508093A1 (de) * 1995-03-08 1996-09-12 Roland Dipl Ing Voigt Fleischwolf

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Title
DATABASE WPI Section PQ Week 8432, 19 September 1984 Derwent World Patents Index; Class P41, AN 84-199738, XP002042320 *
DATABASE WPI Section PQ Week 9312, 12 May 1993 Derwent World Patents Index; Class P41, AN 93-099352, XP002042319 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19942837A1 (de) * 1999-09-08 2001-03-22 Fehb Gmbh Stendal Schneid- und Lagersystem

Also Published As

Publication number Publication date
ES2164281T3 (es) 2002-02-16
DE19724831C2 (de) 1999-08-05
ATE208234T1 (de) 2001-11-15
EP0813908B1 (fr) 2001-11-07
US5820041A (en) 1998-10-13
DE19724831A1 (de) 1998-01-08
DK0813908T3 (da) 2002-03-04

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