EP0913201B1 - Schneidvorrichtung für eine Maschine zum Zerkleinern von Nahrungsmitteln - Google Patents

Schneidvorrichtung für eine Maschine zum Zerkleinern von Nahrungsmitteln Download PDF

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Publication number
EP0913201B1
EP0913201B1 EP97118342A EP97118342A EP0913201B1 EP 0913201 B1 EP0913201 B1 EP 0913201B1 EP 97118342 A EP97118342 A EP 97118342A EP 97118342 A EP97118342 A EP 97118342A EP 0913201 B1 EP0913201 B1 EP 0913201B1
Authority
EP
European Patent Office
Prior art keywords
cutting assembly
food
assembly according
jacket
holes
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.)
Expired - Lifetime
Application number
EP97118342A
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English (en)
French (fr)
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EP0913201A1 (de
Inventor
Marcello Quadrana
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to EP97118342A priority Critical patent/EP0913201B1/de
Priority to AT97118342T priority patent/ATE230633T1/de
Priority to DE69718323T priority patent/DE69718323T2/de
Priority to ES97118342T priority patent/ES2187714T3/es
Priority to CA002219555A priority patent/CA2219555A1/en
Publication of EP0913201A1 publication Critical patent/EP0913201A1/de
Application granted granted Critical
Publication of EP0913201B1 publication Critical patent/EP0913201B1/de
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
    • B02C18/301—Mincing machines with perforated discs and feeding worms with horizontal axis

Definitions

  • the present invention relates to a cutting assembly for food grinding machines, according to the preamble of claim 1.
  • a cutting assembly is known from DE 16 32 132 A.
  • Conventional grinding machines used in the alimentary field are essentially constituted by a screw feeder, which is inserted in a specifically provided cylindrical seat arranged downstream of an inlet, is turned by a specifically provided motor and conveys the food towards a plurality of blades which rotate coaxially thereto, are fitted on the same driving shaft as the screw feeder, are grouped in a pack and are alternated with perforated screening diaphragms.
  • the diaphragms are arranged in a gradually decreasing sequence as regards both the density of the holes that affect each diaphragm and the diameter of the holes, so as to gradually provide, as the food advances outwards, a progressively finer reduction of the particle size of the mass.
  • this entails, especially in the industrial use of grinding machines, the use of motors with a high power rating, even as high as 70 HP, in order to overcome the resistance opposed by the mass being processed.
  • the principal aim of the present invention is to solve the above problems of the known art by providing an improved cutting assembly for food grinding machines which substantially reduces the pressure produced during processing, eliminates the possibility of releasing structural particles into the food and maintains a constant density of the distribution of the holes as the screening capacity gradually becomes finer.
  • an improved cutting assembly for food grinding machines characterized in that it comprises a static outer jacket provided with conventional means for coupling to the loading inlet of a grinding machine, annular recesses being formed in the internal thickness of said jacket, said recesses having preset volumes and being mutually separated, a food pusher element being mounted inside said jacket so that it rotates coaxially, a screening means with differentiated passage regions being interposed between said pusher and said jacket, each region acting at said annular recesses.
  • the reference numeral 1 generally designates the cutting assembly for food grinding machines, which comprises a static outer jacket 2 provided with conventional means 3 for coupling to a loading inlet of a grinding machine, which is not illustrated since it is of a conventional kind.
  • a plurality of annular recesses 4 is formed in the internal thickness of the jacket 2; the recesses have preset volumes and are mutually separated.
  • a food cutter and pusher element 5 is mounted inside the jacket 2 so as to rotate coaxially and is supported in the grinding machine through conventional means which are adapted to keep it constantly centered; a screening means 6 is interposed between the cutter and pusher element 5 and the jacket 2 and is divided into differentiated passage regions Z 1 , Z 2 , Z 3 and Z 4 , each of which can be crossed at each annular recess 4.
  • All of the recesses have a transverse cross-section with rounded edges which are blended with the concurrent ones by means of a respective convex profile 7, so as to define a forced path for the food, on which the screening means 6 rests and is locked.
  • the cutter and pusher element 5 is constituted, in detail, by a screw-shaped blade 8, the spiral edge 8a of which is advantageously sharp and rotates so as to skim the internal surface of the screening means 6.
  • the screening means is constituted by a thin cylindrical body 9, the surface of which is affected by contiguous bands of sets of through holes 10 which constitute the differentiated passage regions Z 1 , Z 2 , Z 3 , Z 4 in which the ratio between the continuous surface and the perforated surface is constant throughout.
  • the static outer jacket 2 can flare outwards, as shown in figure 2; accordingly, the screw-shaped blade 8 also has the same shape, and so does the interposed cylindrical body 9 that constitutes the screening means 6, which in this case is constituted by the coaxial and sequential joining of a plurality of cylinders 9a, 9b, 9c, 9d whose diameters gradually increase outwards; each cylinder defines one of the regions Z 1 , Z 2 , Z 3 , Z 4 , and the cylinders are mutually joined by means of corresponding perforated collars 11.
  • each one of the cylinders 9a, 9b, 9c, 9d has lateral surfaces affected by the corresponding 9c, 9d has lateral surfaces affected by the corresponding sets of through holes 10 whose diameters decrease for each cylinder, so that the ratio between the perforated surface and the continuous surface is constant for each cylinder.
  • the axis A' of the holes 10 is directed towards the outlet.
  • the food to be ground is introduced normally in the grinding machine through a hopper and passes from there into the seat in which the conventional screw feeder rotates; the cutting assembly 1 is installed coaxially at the head of said screw feeder.
  • the conveyance motion forces the food to pass through the various regions Z 1 , Z 2 , Z 3 , Z 4 , following the forced path defined between the annular recesses 4 and the grooves 8b which are alternated with the spiral edge 8a, as shown in figure 1 by the arrows "A"; in following this path, the mass of food passes through the holes 10, whose diameters gradually decrease along the path, thus providing a gradually finer shredding action.
  • the number of the holes 10 for each region Z is such as to maintain a constant ratio between the continuous surfaces of the regions Z and the perforated ones, so as to considerably reduce the pressure applied by the mass of food in passing through them.
  • cylindrical body 9 is static, tangential stress, and therefore also abrasion, between the spiral edge 8a of the screw-shaped blade 8 and the cylindrical body 9, in which the regions Z are formed, are also eliminated, and the blade is always centered as it rotates.
  • the materials used may be any according to the requirements without thereby abandoning the scope of the protection of the appended claims.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Preparation Of Fruits And Vegetables (AREA)
  • Food-Manufacturing Devices (AREA)

Claims (9)

  1. Schneidvorrichtung für eine Maschine zum Zerkleinern von Nahrungsmitteln, mit einem statischen Außenmantel (2), der mit herkömmlichen Mitteln (3) zum Ankuppeln an den Fülleinsatz einer Zerkleinerungsmaschine versehen ist, mit ringförmigen Einschnitten, die von innen in das Material des Mantels (2) eingeformt sind, wobei die Einschnitte (4) vorbestimmte Volumina besitzen und voneinander getrennt angeordnet sind, mit einem Nahrungsmittel-Schub- und Schneidelement (5), das innerhalb des Mantels (2) befestigt ist, so dass es koaxial rotiert, dadurch gekennzeichnet, dass sie ein Siebmittel (6) mit unterschiedlichen Durchtrittsbereichen (Z1-Z4), von denen jeder die ringförmigen Einschnitte (4) quert, besitzt, wobei das Siebmittel zwischen dem Element (5) und dem Mantel (2) angeordnet ist.
  2. Schneidvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die ringförmigen Einschnitte (4) einen Querschnitt mit gerundeten Kanten aufweist, die mit verzahnt laufenden Kanten mit einem konvexen Profil vermischt und dazu angepasst sind, einen erzwungenen Weg für das Nahrungsmittel zu definieren, wobei jedes konvexe Profil ferner als Halte- und Sperrelement für das Siebmittel (6) wirkt.
  3. Schneidvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Schneid- und Schubelement durch ein schraubenförmiges Messer gebildet ist, von dem eine scharfe Spiralkante so rotiert, dass eine Innenfläche des Siebmittels abgestrichen wird.
  4. Schneidvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Siebmittel (6) durch einen dünnen hohlen Zylinderkörper gebildet ist, dessen Oberfläche mit kontinuierlichen Bändern von Sätzen von Durchgangsbohrungen (10) durchdrungen ist, die die verschiedenen Durchtrittsbereiche bilden.
  5. Schneidvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass das Verhältnis zwischen der Fläche mit den Durchgangsbohrungen (10) und dem verbleibenden Bereich der Fläche dieser Bereiche für jeden Bereich konstant ist.
  6. Schneidvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der statische Außenmantel (2) sich nach außen konisch erweitert.
  7. Schneidvorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass das Siebmittel (6) mit unterschiedlichen Durchtrittsbereichen durch einen Hohlkörper gebildet ist, der durch das koaxiale und aufeinanderfolgende Verbinden einer Vielzahl von Zylinder gebildet ist, deren Durchmesser sich stufenweise nach außen vergrößert, von denen jeder Zylinder einen Bereich definiert, wobei die Zylinder mit Hilfe entsprechender perforierter Kragen (11) miteinander verbunden sind, und wobei jeder der Zylinder entsprechende Sätze von Durchgangsbohrungen besitzt, deren Durchmesser für jeden Zylinder abnehmen.
  8. Schneidvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass das Verhältnis zwischen der Fläche mit den Durchtrittsbohrungen (10) und dem verbleibenden Bereich der Fläche für jeden Zylinder konstant ist.
  9. Schneidvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Achse der Bohrungen (10) längs der Nahrungsmittelvortriebsrichtung gerichtet ist.
EP97118342A 1997-10-22 1997-10-22 Schneidvorrichtung für eine Maschine zum Zerkleinern von Nahrungsmitteln Expired - Lifetime EP0913201B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP97118342A EP0913201B1 (de) 1997-10-22 1997-10-22 Schneidvorrichtung für eine Maschine zum Zerkleinern von Nahrungsmitteln
AT97118342T ATE230633T1 (de) 1997-10-22 1997-10-22 Schneidvorrichtung für eine maschine zum zerkleinern von nahrungsmitteln
DE69718323T DE69718323T2 (de) 1997-10-22 1997-10-22 Schneidvorrichtung für eine Maschine zum Zerkleinern von Nahrungsmitteln
ES97118342T ES2187714T3 (es) 1997-10-22 1997-10-22 Dispositivo de corte para maquinas de molturacion de alimentos.
CA002219555A CA2219555A1 (en) 1997-10-22 1997-10-29 Cutting assembly for food grinding machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97118342A EP0913201B1 (de) 1997-10-22 1997-10-22 Schneidvorrichtung für eine Maschine zum Zerkleinern von Nahrungsmitteln
CA002219555A CA2219555A1 (en) 1997-10-22 1997-10-29 Cutting assembly for food grinding machines

Publications (2)

Publication Number Publication Date
EP0913201A1 EP0913201A1 (de) 1999-05-06
EP0913201B1 true EP0913201B1 (de) 2003-01-08

Family

ID=31716401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97118342A Expired - Lifetime EP0913201B1 (de) 1997-10-22 1997-10-22 Schneidvorrichtung für eine Maschine zum Zerkleinern von Nahrungsmitteln

Country Status (5)

Country Link
EP (1) EP0913201B1 (de)
AT (1) ATE230633T1 (de)
CA (1) CA2219555A1 (de)
DE (1) DE69718323T2 (de)
ES (1) ES2187714T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113477358B (zh) * 2021-08-20 2022-06-10 谢佳娴 一种工厂用废弃钢管回收设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE603536C (de) * 1933-03-22 1934-10-08 Josef Scholtes Vorrichtung zum Schneiden von Nahrungsmitteln, insbesondere Fleisch
US2582244A (en) * 1946-10-18 1952-01-15 Electrolux Ab Grater having rotatable feed means
DE1632132A1 (de) * 1967-10-12 1970-10-29 Strojirny Potravinarskeho Prum Verfahren und Einrichtung zur insbesondere sehr feinen Fleischzerkleinerung
US4997137A (en) * 1989-06-30 1991-03-05 Peggy Elizabeth Tolonen Apparatus for grinding materials
DE19516716A1 (de) * 1995-05-06 1996-11-14 Inofex Gmbh Rohrwolf

Also Published As

Publication number Publication date
EP0913201A1 (de) 1999-05-06
DE69718323T2 (de) 2003-05-15
ATE230633T1 (de) 2003-01-15
DE69718323D1 (de) 2003-02-13
ES2187714T3 (es) 2003-06-16
CA2219555A1 (en) 1999-04-29

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