EP1286778A2 - Machine a hacher - Google Patents

Machine a hacher

Info

Publication number
EP1286778A2
EP1286778A2 EP01957813A EP01957813A EP1286778A2 EP 1286778 A2 EP1286778 A2 EP 1286778A2 EP 01957813 A EP01957813 A EP 01957813A EP 01957813 A EP01957813 A EP 01957813A EP 1286778 A2 EP1286778 A2 EP 1286778A2
Authority
EP
European Patent Office
Prior art keywords
screw
cutting
working
housing
pressure housing
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Withdrawn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
EP01957813A
Other languages
German (de)
English (en)
Inventor
Thomas Gaartz
Richard Fa. Christ KG MEYENSCHEIN
Eberhard Fa. Innofex GmbH 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.)
Mars Inc
Original Assignee
Mars Inc
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 Mars Inc filed Critical Mars Inc
Publication of EP1286778A2 publication Critical patent/EP1286778A2/fr
Withdrawn legal-status Critical Current

Links

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
    • B02C18/305—Details
    • 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

Definitions

  • the invention relates to a shredding device, in particular for food, e.g. deep-frozen meat, which works on the wolf principle, with a hopper for holding material to be shredded, a feed screw, a work screw and a downstream cutting set.
  • a shredding device in particular for food, e.g. deep-frozen meat, which works on the wolf principle, with a hopper for holding material to be shredded, a feed screw, a work screw and a downstream cutting set.
  • Known size reduction machines are designed in such a way that, on the one hand, the conveying process and the pressure build-up during the size reduction are determined by the conveying and working screws, the pressure or profile tube (pressure housing) of the size reduction machine and the raw material, and on the other hand the size reduction process Cutting systems arranged in the pressure housing are carried out.
  • the required pressure in front of the cutting elements is maintained as long as the strength properties of the raw material to be minced, in particular meat, allow, which in turn depends on the adhesion of the raw materials to be minced in the pressure housing.
  • This liability creates a mechanical connection between the pressure housing, the conveyor and work screw and the raw material, which enables the material to be conveyed.
  • the conveying thrust is built up by raw material compression from worm gear to worm gear of the conveying and working worm and the sum of all compaction in the trains of the pressure housing is generated as shear force on the raw material in the worm gear. This force is available to generate pressure on the raw material in the cutting set.
  • the function-determining elements are arranged within the comminution machine itself and in the pressure housing, the pressure housing being designed as a closed unit which is fastened to a base housing of the comminution machine.
  • cutting elements in the form of a cutting set are arranged in a closed cutting part housing behind the last screw flight, in which the comminution process takes place.
  • the clamping set is clamped within the cutting part housing and with the working worm via a clamping unit, which is preferably designed as a union nut.
  • the object of the present invention is to improve a generic comminution device in such a way that individual assemblies can be exchanged or exchanged without great effort, easy access to the conveying elements is possible and a variability of the individual assemblies for the conveying and comminution process, depending on the necessary operating conditions is possible. Accessibility from the outside is particularly important so that technical media such as heat, cold, additives, etc. can be introduced directly onto individual cutting set parts.
  • a conveyor and shredding system for shredding machines that work according to the wolf principle was created, whereby this conveyor and shredding system ensures a high degree of variability of a wolf machine, which with several cutting sets for pre-shredding and pressure maintenance as well as for final shredding and for the input of technical media or Additives can be equipped.
  • the end cutting set can be designed as a connectable, pretensioned and housing-free block cutting set.
  • the block cutting set is a self-contained assembly and can be attached to the pressure housing of the wolf machine using appropriate adapter devices.
  • the pressure housing itself can be longitudinally divided and consists of pressure housing halves with smooth inner walls, which are equipped with shell-shaped raw material support systems.
  • All elements provided for the conveying and shredding process are driven by a drive shaft journal which can be connected to the feed screw by a double flange connection with breakage protection, which is designed as a feed auger and is positively and non-positively connected to a downstream work screw.
  • a pre-cutting system is provided in the transfer area from the fuselage auger to the downstream worm auger, which ensures pre-shredding, storage and improved pressure maintenance for the raw material.
  • the working worm can be designed with a hollow shaft and can be coupled to the drive shaft by means of a corresponding key-and-groove connection, the working worm being designed as a double-threaded worm, the worm threads on the outlet side of which have a higher pitch.
  • Pressure pulse pieces can be arranged in pairs on the flanks of the last two screw flights, which cause the volume flow of the wolf material to be divided into four parts on all sub-areas of a subsequent perforated disk with a corresponding raw material prestress, so that in this area the working screw is designed as a four-flow divider screw.
  • the pre-cutting system provided in the transfer area between the fuselage auger and the work auger consists of interchangeably arranged cutting blades on the last screw flights of the auger and a pre-cutter provided between the auger and the work auger.
  • the block cutting set is driven by a knife pin, which is specially designed on the drive side, so that a force-locking and form-fitting connection to the smooth drive shaft of the conveyor and comminution system is provided.
  • the variability of the device according to the invention and its active properties are particularly expressed in the fact that the drive with installed remaining drive shaft is equipped with an anti-break device, the fuselage auger for the raw material supply and as a power transmission part for the cutting tools for coupling to the cutting set with an integrated knife pin, several being designed Cutting systems, at least two, can be used in the device, which act as a pre-cutting system with pressure stabilization and end cutting system.
  • the pressure housing consists of two hinged pressure housing halves, in which corresponding conveying trays with provided trains or so-called support baskets can be used, the conveying process of the wolf material is significantly supported, and the choice of the conveying trays or the support baskets can directly influence the conveyance of the wolf material be taken. This arrangement ensures a good build-up of force during the conveying process. If the raw material properties change, these shells can be replaced.
  • the end section of the working screw was designed as a four-flow distributor screw with a four-volume flow division in order to improve the raw material conveying process through the cutting set, which means that the raw material is broken up by the geometric displacement of the contours of the last worm threads and as a result of the pressure at the edges of the holes, penetrates into the holes in the perforated disks, is cut off and is conveyed out of the holes in the perforated disks.
  • this four-flow volume flow divider the required delivery pressure is built up on the entire surface of the perforated disc and the full-surface operation of the cutting set is guaranteed.
  • the block cutting set is arranged so that the knives are never in the flow of the four-flow divider screw and thus interact directly with the geometric pressure build-up of the four-flow divider screw.
  • the knife bars are always positioned in relation to the last screw flights so that the pressure generation in the raw material has reached its maximum and then the engagement between the knife and the perforated disk takes place, thereby ensuring quality-appropriate cutting.
  • the block cutting set is designed as a housing-less cutting set, with spacer rings for the knife body ensuring both the cutting action and the tightness between the individual components of the block cutting set.
  • the individual cutting parts are arranged on a knife pin and are clamped with an adapter plate by means of clamping screws, via which the block cutting set is connected to the pressure housing.
  • the support element of the block cutting set provided on the outlet side is designed such that it simultaneously functions as a support device and leak protection, with a sleeve being provided centrally between the support element and the knife pin.
  • the pre-cutting system provided between the fuselage auger and the working auger is thus assigned to these two functional assemblies.
  • the knife function is performed by the cutting blades, which can be assigned to the screw and / or a separate measuring body and are preferably arranged in a double-thread version at the highest point of the last screw flight of the fuselage screw.
  • the counter-cutting function is ensured by a pre-cutter, which is provided between the fuselage auger and the working auger and is inserted in the hopper housing and is held in place by the foldable pressure housing. Spring elements in this area secure the pre-cutter in its cutting position in the assembled state, especially at a distance from the cutting blades, in order to maintain the function of the pre-cutting system.
  • Fig. 2 shows two perspective views of a wolf machine with swung open
  • FIG. 3 shows a pivoted open pressure housing with inserted pre-cutter
  • FIG. 5a shows a detail of the knife cutting set according to FIG. 5 on an enlarged scale
  • FIG. 6 shows a top view of a knife spacer ring
  • FIG. 7 shows an overall view, partly in section, of the fuselage and working auger
  • Fig. 9 shows a side view of a snail.
  • FIG. 1 An embodiment of the comminution device according to the invention with conveying and comminution system is shown in an overall view in FIG. 1.
  • the basic housing 1 of a grinder with a pressure housing 2 is connected to the housing 1 via a swivel device 4.
  • a block cutting set 3 is arranged on the opposite side.
  • the pressure housing 2 is divided and here consists of two pressure housing halves 6, which are held on the housing 1 via the pivoting device 4 and can be opened or closed with an adjustment mechanism 12.
  • FIG. 2 shows a perspective view with the pressure housing 2 open and illustrates the design of the divided pressure housing 2.
  • the pressure housing halves 6 are largely designed as half-shells in which support and swirl units 8 are interchangeably arranged.
  • the support and swirl units 8 are half-shells which are formed on their inner walls with grooves, which result in 2 trains in the closed pressure housing, which are necessary for supporting the raw material to be processed within the pressure housing 2.
  • the support and swirl units 8 can be designed as support baskets, which are also designed in a divided manner and are interchangeably fastened in the pressure housing halves 6.
  • a hopper 5 is located in the housing 1 of the wolf machine, which is formed with a bearing 7 on its drive side.
  • the arrangement and design of the pre-cutter 9, which belongs to the pre-cutting system, results from the representations according to FIG. 3, whereby on the one hand the arrangement of the pre-cutter 9 in the outlet-side flange 37 of the housing 1 and on the other hand (below) the shape and design of the Precutter 9 is illustrated.
  • the roughing cutter 9 is preferably designed with a square outer contour 49, which ensures a non-rotatable mounting.
  • the passage openings 48 of the pre-cutter 9 likewise result from FIG. 3, and it is also shown that the pre-cutter 9 is designed with a bearing bush 47 in which the fuselage auger 28 is mounted.
  • a tension spring 10 is provided in this area, which presses against the pre-cutter 9 when the pressure housing 2 is open and thus prevents the pre-cutter 9 from falling out of its mounting when the pressure housing 2 is open.
  • Fig. 4 shows a perspective view of the hopper 5 of the wolf machine, which is arranged directly in the housing 1 and is designed in the broadest sense trough-shaped, so that the bottom of the hopper 5 is located under the feed auger 28 stored in the housing 1.
  • an intake aid 13 is provided, which is wedge-shaped and has an inclination that points to the outlet-side opening of the hopper 5 in the conveying direction of the raw material.
  • the feed aid 13 is a specially designed shaped piece which is fixed or adjustable in height on the inner wall of the hopper 5 and serves to grasp the wolf material to be abandoned and to feed the screw flights of the trunk auger 28 so that a continuous flow of the raw material is ensured , This is particularly advantageous if deep-frozen and / or large-scale raw material is used, which tends to form bridges in the hopper 5, so that the feed is interrupted and the effectiveness and performance of the wolf machine are significantly reduced.
  • the feed aid 13 forms a cutting or breaking edge, which causes a break-up or a certain pre-shredding of the wolf material that has been fed in.
  • the adjustment mechanism 12 provided for opening and closing the pressure housing 2 can be operated by hand or with a drive mechanism.
  • the Blockclmeidsatz 3 downstream of the pressure housing 2 is designed as a self-contained structural unit that can be put together in a desired shape and in this form is to be clamped with the pressure housing 2 via the clamp or quick-release fastener 11 by the latter in the circumferential groove 17 Adapter plate 16 engages.
  • a block cutting set 3 is shown as a multi-part cutting set in the assembled state in FIG. 5 and partially enlarged in FIG. 5a.
  • the individual cutting set parts such as pre-cutter 24, spacer ring 14 and perforated disks 23 are placed on a knife pin 18, which has a connecting piece 20 with an internal hexagon 19, with which the force is transmitted to the spacer ring knife 14 used.
  • An axially aligned bracing of the cutting set parts takes place via a support element 22 which has a sleeve 21 or a suitable bearing.
  • the cutting parts are braced by means of clamping screws 15 which are guided through bores 26 of the individual cutting parts and are connected to the adapter plate 16.
  • the cutting set parts are preferably square, as shown in FIG. 6.
  • a distance ring knife 14 is (in each case) assigned a knife distance ring 25.
  • a sliding insert 25a is inserted between a rotating spacer ring 14 and a standing spacer ring 25, which absorbs the clamping forces, which can be made of a suitable plastic, for example POM.
  • the block cutting set 3 is connected to the drive shaft 43 via the hexagon socket 19 of the knife pin 18 and a parallel key and groove connection 46.
  • the block clamping set 3 takes account of the respective operating conditions by the variability of the cutting set parts to be used.
  • the perforated disks 23 can be combined with one another, the gradations of the holes in the perforated disks 23 being carried out in a ratio of 1: 4 to 1: 8 and the knife bar thickness of the spacer ring knife (s) 14 used being approximately 80% of the hole diameter of the smallest used Perforated disk 23 corresponds to and 40
  • free surfaces of the perforated disks 23, i.e. the sum of the openings, are always greater than 60%.
  • the number of cutter bars of the cutters used increases by 50% towards the respective end perforated disk and the cutter bar thicknesses are reduced by 25% to 40%, so that the number of cutting planes is determined by the bore size factor of the perforated disks 23 and in relation to the end perforated disk up to the size decreases by 1: 2.
  • the free interchangeability of the individual perforated disks or knife spacer rings has the advantage over conventional cutting sets arranged in a fixed housing that the cutting elements can be used up to the greatest possible extent in a different way than before, whereby they can be turned within the cutting set if necessary, so that the total life of individual cutting elements and the block cutting set is significantly increased overall.
  • the disks By forming a set of perforated disks from a relatively heavily worn and conventionally no longer usable perforated disk and a new or less worn out perforated disk, the disks can be used much longer up to 10% of the remaining thickness or 90% of the new wall thickness. Utilization of 25 to 35% of the wall thicknesses in the new condition is common because mechanical instabilities then occur.
  • measuring devices can be connected to obtain information about the prevailing operating conditions such as temperature, pressure, conveying speed and consistency of the raw material.
  • Feed and work screws are shown in an overall view in FIG. 7, from which it follows that the feed screw (trunk screw 28) and the downstream work screw 29 are two separate components which are connected to one another via a key and groove connection 31.
  • the fuselage auger 28 is connected to the drive shaft journal 41 via a double flange connection 39, the double flange connection 39 being equipped with an overload protection device in the form of shear bolts 40. Due to the variability of the plug connection (e.g. polygonal 41-
  • the pre-cutting system is arranged, with cutting blades 33, which are provided on the screw flights 32 of the auger 28, and a pre-cutter 34, which is mounted in the outlet-side flange 37 of the housing 1 of the wolf machine.
  • the fuselage screw 28 is partially designed as a double-start screw, the screw flights 32 of which extend over a length which corresponds to the length of the hopper 5 of the wolf machine. Then the fuselage auger 28 merges into a smooth drive shaft 43, which is formed at the end with a hexagon pin 44. The pin 44 corresponds to the hexagon socket 19 of the connector 20 of the knife pin 18.
  • the fuselage auger 28 can, in addition to the fixed connection to the double flanges 39, also be made as a loose connection, in which case the fuselage auger 28 is designed with a profiled blind bore, into which the connecting piece 45 engages ' and the connection to the double flanges 39 and the drive shaft journal 41 manufactures.
  • the working screw 29 is designed with a hollow shaft 30 and as a slip-on screw and has a reinforced screw core 38 in the area on the outlet side in the last third. This area is designed as a four-flow distributor screw 36.
  • the four-flow conveyance of the wolf material occurs in that 36 pressure pulse pieces 35 are arranged in pairs on the last screw flights of the four-flow distributor screw.
  • the pressure pulse pieces 35 are preferably wedge-shaped and have their end faces in the conveying direction of the wolf material.
  • Impulse pieces 35 cause a division into four conveying flows, which in this form strike the individual quadrants of the first cutting set part from the block cutting set 3.
  • the last screw flights of the working screw have a smaller slope compared to the initial area, as a result of which an additional narrowing of the conveying cross section of the working screw 29 and an improved pressing of the wolf material in the direction of the downstream block cutting set 3 and one Pressure support for the worm 29 is effected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Sawing (AREA)

Abstract

L'invention concerne une machine à hacher, fonctionnant selon le principe d'un hache-viande, qui comprend un entonnoir de remplissage conçu pour recevoir le produit à hacher, une vis d'amenée, une vis de travail et un ensemble de coupe situé en aval de cette dernière. La vis d'amenée est installée en dessous de l'entonnoir de remplissage dans un logement de la machine à hacher. La vis de travail est raccordée de manière libérable à la vis d'amenée, de façon à être solidaire en rotation de cette dernière. Un dispositif de prédécoupe est agencé entre la vis d'amenée et la vis de travail. Un logement sous pression divisé et entourant la vis de travail est maintenu de façon pivotante sur ledit logement. Un ensemble de coupe en blocs, présentant en alternance des éléments de coupe immobiles et rotatifs agencés de manière coaxiale, est maintenu de manière libérable sur une partie d'extrémité côté sortie du logement sous pression. Les éléments de coupe rotatifs sont installés sur un arbre de coupe, raccordé de manière libérable à la vis de travail de façon à être solidaire en rotation de cette dernière. Les éléments de coupe immobiles sont bloqués, au moyen de vis de serrage, entre une plaque d'adaptation à fixer sur la partie d'extrémité côté sortie du logement sous pression et un élément support, une partie d'extrémité de l'arbre de coupe étant montée rotative dans l'élément support.
EP01957813A 2000-05-30 2001-05-30 Machine a hacher Withdrawn EP1286778A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10026825A DE10026825C2 (de) 2000-05-30 2000-05-30 Zerkleinerungsvorrichtung
DE10026825 2000-05-30
PCT/EP2001/006163 WO2001091904A2 (fr) 2000-05-30 2001-05-30 Machine a hacher

Publications (1)

Publication Number Publication Date
EP1286778A2 true EP1286778A2 (fr) 2003-03-05

Family

ID=7644121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01957813A Withdrawn EP1286778A2 (fr) 2000-05-30 2001-05-30 Machine a hacher

Country Status (5)

Country Link
US (1) US20040021019A1 (fr)
EP (1) EP1286778A2 (fr)
AU (1) AU7963501A (fr)
DE (1) DE10026825C2 (fr)
WO (1) WO2001091904A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008061630A (ja) * 2006-09-04 2008-03-21 Nihon Career Ind Co Ltd ミンチの分割装置
US7607600B2 (en) * 2007-09-13 2009-10-27 Martin Salgado Meat shredder
AU2010233831B2 (en) * 2009-03-31 2014-07-24 Sanofi-Aventis Deutschland Gmbh Drug delivery device
GB2519536B (en) * 2013-10-23 2017-09-06 Kenwood Ltd Foodstuff-grinding attachment for a kitchen machine
DE202020105052U1 (de) 2020-09-02 2020-09-08 Lumbeck & Wolter GmbH. & Co. KG. Fleischwolf
DE202020105051U1 (de) 2020-09-02 2020-09-08 Lumbeck & Wolter GmbH. & Co. KG. Fleischwolf
EP4324564B1 (fr) * 2022-08-17 2024-10-16 Sea6 Technologies Europe B.V. Procédé de broyage des macroalgues
DE202023000575U1 (de) * 2023-03-13 2023-04-25 Inofex Fleisch-, Lebensmitteltechnik Und -Technologie Gmbh Schneckengangkopf für Transport- und Arbeitsschnecken in nach dem Wolfprinzip arbeitenden Zerkleinerungsmaschinen

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
DE47778C (de) * P.MÜLLER in Lennep, Kölnstrasse 6 Fleischmühle mit rotirender Schnekkentrommel und Vorschneider. (1
US1416067A (en) * 1919-12-26 1922-05-16 Royle Vernon Strainer head for tubing machines
US2077644A (en) * 1932-07-09 1937-04-20 Best Foods Inc Working and compressing apparatus
GB452161A (en) * 1935-04-09 1936-08-18 Josef Scholtes Apparatus for cutting food and delicacies
US2200786A (en) * 1938-11-15 1940-05-14 Ardrey Otis Roy Meat grinder
US2436107A (en) * 1944-07-21 1948-02-17 Haniquet George Positive feed food chopper
CH247700A (de) * 1944-10-25 1947-03-31 Peter Jorgensen Martin Michael Fleischwolf.
GB616923A (en) * 1946-09-23 1949-01-28 Macfarlane Arthur & Company Lt Improvements in or relating to mincing machines
DE3823700A1 (de) * 1987-12-24 1989-09-14 Wtoez Fleischind Veb Druck- und foerderschnecke fuer fleischwoelfe
DE19501966C2 (de) * 1995-01-24 2000-07-27 Feina Gmbh Fleischwolf
DE19508093A1 (de) * 1995-03-08 1996-09-12 Roland Dipl Ing Voigt Fleischwolf
DE19745627C2 (de) * 1997-10-10 2000-07-13 Uwe Reifenhaeuser Maschine zum Schneiden von Lebensmitteln
DE29809485U1 (de) * 1998-05-28 1998-09-10 Tiromat Krämer + Grebe GmbH & Co. KG, 35216 Biedenkopf Wolf zum Zerkleinern von Gefrier- und Frischfleisch
DE19942837A1 (de) * 1999-09-08 2001-03-22 Fehb Gmbh Stendal Schneid- und Lagersystem

Non-Patent Citations (1)

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Title
See references of WO0191904A3 *

Also Published As

Publication number Publication date
DE10026825C2 (de) 2002-10-31
AU7963501A (en) 2001-12-11
DE10026825A1 (de) 2002-02-07
WO2001091904A2 (fr) 2001-12-06
WO2001091904A3 (fr) 2002-04-25
US20040021019A1 (en) 2004-02-05

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