EP0573759A1 - Procédé et dispositif de fonctionnement d'un hachoir de viande - Google Patents

Procédé et dispositif de fonctionnement d'un hachoir de viande Download PDF

Info

Publication number: EP0573759A1
Authority: EP; European Patent Office
Prior art keywords: feed screw; screw; speed; feed; raw material
Prior art date: 1992-05-13
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

EP93106343A

Other languages

German (de)

English (en)

Other versions

EP0573759B1 (fr

Inventor

Horst Herbert Grözinger

Eberhard 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.)

1992-05-13

Filing date

1993-04-20

Publication date

1993-12-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25914774&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0573759(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1993-04-20 Application filed by Maschinenfabrik Dornhan GmbH filed Critical Maschinenfabrik Dornhan GmbH

1993-12-15 Publication of EP0573759A1 publication Critical patent/EP0573759A1/fr

1997-07-02 Application granted granted Critical

1997-07-02 Publication of EP0573759B1 publication Critical patent/EP0573759B1/fr

2013-04-20 Anticipated expiration legal-status Critical

Status Revoked legal-status Critical Current

Links

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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
- B02C18/38—Drives

Definitions

the invention relates to a method for regulating the transfer of raw materials from a feed screw to the working screw of a meat grinder according to the preamble of claim 1 and a meat grinder for carrying out this method according to the preamble of claim 9.
the speeds of the drives of the feeder screw and the working screw are approximately in the ratio of 1:10 to 1:30. Meat is processed in different lump sizes, strengths and in various states. So that the fast-running worm is always adequately fed with raw material, one usually observes the transfer behavior of the raw material optically-subjectively between feed screw and work screw and manually adjusts the speed of the drive mostly of the feed screw and / or if necessary the work screw as soon as it is determined that the Working screw does not receive enough raw material for processing or too much raw material is supplied by the feed screw and therefore an excessively high transfer pressure arises between the two screws.
the invention is intended to ensure that the transfer conditions between the two screws are automatically adapted to the respective requirements in a dynamic manner and that a filling level of the working screw of between 90 and 100% is always achieved, so that on the one hand the efficiency of the meat grinder is greatly increased and on the other hand the through Processing achieved quality of the raw material is significantly improved.
a speed change occurs as soon as the load leaves a range of approximately ⁇ 20% around the predetermined load value.
the predetermined value of the load is preselected and adjusted according to empirical values depending on the type and strength of the raw material processed in each case.
the speed of the feed screw is measured as a parameter for the feed screw load, which increases immediately if little or no raw material is extracted, on the other hand it drops sharply if the dynamic pressure at the worm becomes too high.
the dynamic pressure or the temperature of the raw material in the transfer area can also be used as the loading parameter.
a ratio of the respective feed volumes of the two screws between 1.05: 1 and 1.1: 1 is achieved by selecting the feed screw load.
a ratio of the feed volumes of the two screws of approximately 1.5: 1 is usually maintained, so that at least an approximately sufficient supply of raw materials is ensured, with the disadvantages of increased dynamic pressure for filling the working screw and for the quality of the processed Accepts raw material.
a further embodiment of the method according to the invention provides for an emergency shutdown of the two drives or the triggering of an error signal if the maximum speed or a minimal load on the feed screw or another malfunction of the meat grinder is determined over a long period of time.
the computer program can also be designed in such a way that a shutdown or error signal is triggered if, for example, the data on a perforated disk arranged at the outlet of the work screw do not match the data entered for the raw material to be processed.
the simplest embodiment of a device for carrying out the method according to the invention comprises a variable-speed drive for the feed screw, a measuring device for the parameter characterizing the load, and a computer connected to the measuring device, which adjusts the drive speed of the feed screw so that a dynamic pressure adapts in the transfer area, which is always close to the value required for the respective raw material.
a control process of the computer is always triggered according to claim 10 when the load on the feed screw leaves the predetermined range and the adjusted value.
a link familiar to the person skilled in the art, of the predetermined load value entered takes place with the speed control of the feed screw.
the parameter measuring device is a tachometer which measures the speed of the feed screw, which depends in the manner explained above on the load on the feed screw and thus on the dynamic pressure in the transfer area.
the measured speed value is continuously transferred to the computer, which in turn controls the speed so that the load on the raw material when it is transferred to the work screw is in the control range.
the speed is preferably controlled according to claim 13 via an eddy current clutch, the magnetic field of which is controlled by the computer in accordance with the calculated control values, as a result of which the speed of the feed screw is reduced to correct value is set.
Claims 14 and 15 relate to embodiments with a pressure meter or thermometer as a parameter measuring device.
Claim 16 relates to a further embodiment of the invention, in which the fixed working speed of the working screw is gradually switchable so that it can be adapted to a certain raw material and certain perforated disk inserts at the output of the working screw.
FIG. 1 shows a schematic representation of a circuit diagram with the controlled meat grinder, only parts essential to the invention being shown.
the meat grinder has a feed screw 10 with a larger diameter and a working screw 12 with a smaller diameter, which adjoin one another axially.
the feed screw is arranged in an approximately cylindrical feed housing 14 with an input shaft 16 located at the top.
the raw material 18 is introduced in the form of differently sized, differently shaped and differently firm pieces of meat in a manner not shown according to the arrow 20 in the input shaft 16.
the work screw 12 is arranged in a cylindrical train housing 22, the diameter of which is less than the diameter of the feed housing 14.
the feed housing 14 is integral with the work housing 22 via a conically tapered transfer housing 24 connected.
a cutting housing 26 for receiving different perforated disks 28 for processing the raw material emerging from the meat grinder according to the arrows 30 is tightly connected.
An electric motor 32 with a gear 34 is provided for driving the work screw 12 with the drive shaft 13, the speed of the work screw 12 being switchable to the following stages or the like:
a second electric motor 36 is provided for driving the feed screw 10 with, for example, a hollow drive shaft 11, the drive power of which is transmitted to the hollow shaft 44 of the feed screw 10 via an eddy current clutch 38 and a gear 40 connected to it, serving as a force converter, and an output device 42.
the drive shaft 13 of the worm screw 12 is mounted coaxially and freely rotatable within the hollow shaft 44 of the feed screw 10.
the speed of the feed screw 10 is continuously measured via a speed-sensing device 46 with a connected tachometer 48.
the tachometer 48 is connected via a signal line 50 to an input of a microcomputer 52, the output thereof is connected via a control line 54 to the eddy current clutch 38 and controls it.
the rotation of the feed screw generates a certain dynamic pressure of the raw material when inputting raw material 18 in the transfer area between the screws 10 and 12, which is covered by the transfer housing 24 and which can fluctuate between zero if the raw material is not adequately supplied and relatively high values if too much raw material from the feed screw 10 is conveyed.
the changing back pressure causes the speed of the feed screw 10 to increase when there is no raw material and to decrease it when the load is higher.
the speed of the feed screw 10 is continuously adjustable between 0 and 30 rpm with simultaneous dynamic control. The resulting speed of the feed screw 10 is now measured by the tachometer 48 and transferred to the microcomputer 52.
This is programmed in such a way that it generates a constant power transmission of the eddy current coupling 38 with a fluctuation of approximately ⁇ 20% by generating a corresponding magnetic field in the eddy current coupling 38 when processing a specific raw material.
the power transmission of the eddy current clutch 38 is increased by increasing the speed, and when the magnetic field is weakened, the power transmission is decreased by decreasing the speed.

Landscapes

Engineering & Computer Science (AREA)
Food Science & Technology (AREA)
Crushing And Pulverization Processes (AREA)
Crushing And Grinding (AREA)
Meat, Egg Or Seafood Products (AREA)
Disintegrating Or Milling (AREA)

EP93106343A 1992-05-13 1993-04-20 ContrÔl de l'alimentation d'un hachoir de viande Revoked EP0573759B1 (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE4215790		1992-05-13
DE4215790		1992-05-13
DE4229179A DE4229179A1 (de)	1992-05-13	1992-09-02	Verfahren und Vorrichtung zum Betreiben eines Fleischwolfes
DE4229179		1992-09-02

Publications (2)

Publication Number	Publication Date
EP0573759A1 true EP0573759A1 (fr)	1993-12-15
EP0573759B1 EP0573759B1 (fr)	1997-07-02

Family

ID=25914774

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP93106343A Revoked EP0573759B1 (fr)	1992-05-13	1993-04-20	ContrÔl de l'alimentation d'un hachoir de viande

Country Status (4)

Country	Link
EP (1)	EP0573759B1 (fr)
AT (1)	ATE154898T1 (fr)
DE (2)	DE4229179A1 (fr)
DK (1)	DK0573759T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0707891A1 (fr) *	1994-10-17	1996-04-24	Analysa Bodenberatung + Umwelttechnik Ag	Procédé de broyage et/ou de conditionnement d'une matière ainsi qu'un dispositif pour celui-ci
DE19501966C2 (de) *	1995-01-24	2000-07-27	Feina Gmbh	Fleischwolf
DE102013226914A1 (de)	2013-12-20	2015-06-25	Hochschule Anhalt (FH); Hochschule für angewandte Wissenschaften	Vorrichtung zum Feinzerkleinern, Emulgieren oder Feinzerkleinern und Emulgieren von biologischen Rohstoffen
WO2019011810A1 (fr)	2017-07-11	2019-01-17	Marel A/S	Procédé et appareil de broyage de viande
CN111282651A (zh) *	2020-03-31	2020-06-16	郑州美俊机械设备有限公司	一种带有电机转速过慢提醒功能的煤炭粉碎机
WO2020201988A1 (fr) *	2019-04-01	2020-10-08	Packaging- & Cuttingsystems Von Der Weiden Gmbh	Dispositif de broyage pour aliments
EP3943193A1 (fr) *	2017-07-27	2022-01-26	GEA Food Solutions Bakel B.V.	Procédé de fonctionnement d'un broyeur pendant la production

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19518390C2 (de) *	1995-05-19	1999-02-18	Inofex Gmbh	Verfahren und Schaltungsanordnung zur Steuerung und Regelung eines Antriebssystems für die Verarbeitung eines Rohstoffes, vorzugsweise für Fleischereimaschinen
WO2017009282A1 (fr)	2015-07-16	2017-01-19	Gea Food Solutions Bakel B.V.	Procédé pour faire fonctionner un broyeur
WO2025068269A1 (fr) *	2023-09-25	2025-04-03	Gea Food Solutions Bakel B.V.	Procédé de fonctionnement d'un broyeur pendant la production

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2812536A1 (de) *	1978-03-22	1979-09-27	Walter Bauer	Fleischwolf
US5092528A (en) *	1987-09-24	1992-03-03	Cozzini, Inc.	Meat emulsifying and processing system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1422912A (fr) *	1964-10-13	1966-01-03	Haut Rhin Manufacture Machines	Perfectionnements aux techniques de fabrication des saucisses et produits analogues

1992
- 1992-09-02 DE DE4229179A patent/DE4229179A1/de not_active Ceased
1993
- 1993-04-20 EP EP93106343A patent/EP0573759B1/fr not_active Revoked
- 1993-04-20 DE DE59306832T patent/DE59306832D1/de not_active Expired - Fee Related
- 1993-04-20 AT AT93106343T patent/ATE154898T1/de active
- 1993-04-20 DK DK93106343.2T patent/DK0573759T3/da active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2812536A1 (de) *	1978-03-22	1979-09-27	Walter Bauer	Fleischwolf
US5092528A (en) *	1987-09-24	1992-03-03	Cozzini, Inc.	Meat emulsifying and processing system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0707891A1 (fr) *	1994-10-17	1996-04-24	Analysa Bodenberatung + Umwelttechnik Ag	Procédé de broyage et/ou de conditionnement d'une matière ainsi qu'un dispositif pour celui-ci
DE19501966C2 (de) *	1995-01-24	2000-07-27	Feina Gmbh	Fleischwolf
DE102013226914A1 (de)	2013-12-20	2015-06-25	Hochschule Anhalt (FH); Hochschule für angewandte Wissenschaften	Vorrichtung zum Feinzerkleinern, Emulgieren oder Feinzerkleinern und Emulgieren von biologischen Rohstoffen
WO2015091666A1 (fr)	2013-12-20	2015-06-25	Hochschule Anhalt (FH); Hochschule für angewandte Wissenschaften	Dispositif de hachage fin, d'émulsion ou de hachage menu et d'émulsion de matières premières biologiques
DE102013226914B4 (de)	2013-12-20	2017-02-16	Hochschule Anhalt (FH); Hochschule für angewandte Wissenschaften	Vorrichtung zum Feinzerkleinern, Emulgieren oder Feinzerkleinern und Emulgieren von biologischen Rohstoffen
EP3651909B1 (fr)	2017-07-11	2023-02-15	Marel A/S	Procédé et dispositif pour hacher de la viande
WO2019011810A1 (fr)	2017-07-11	2019-01-17	Marel A/S	Procédé et appareil de broyage de viande
EP4209275A1 (fr) *	2017-07-11	2023-07-12	Marel A/S	Procede et appareil pour hacher de la viande
US12179211B2 (en)	2017-07-11	2024-12-31	Marel A/S	Method and an apparatus for grinding meat
EP3943193A1 (fr) *	2017-07-27	2022-01-26	GEA Food Solutions Bakel B.V.	Procédé de fonctionnement d'un broyeur pendant la production
WO2020201988A1 (fr) *	2019-04-01	2020-10-08	Packaging- & Cuttingsystems Von Der Weiden Gmbh	Dispositif de broyage pour aliments
US11980894B2 (en)	2019-04-01	2024-05-14	Packaging-& Cuttingsystems Von Der Weiden Gmbh	Shredder device for foodstuffs
CN111282651A (zh) *	2020-03-31	2020-06-16	郑州美俊机械设备有限公司	一种带有电机转速过慢提醒功能的煤炭粉碎机

Also Published As

Publication number	Publication date
DE59306832D1 (de)	1997-08-07
DE4229179A1 (de)	1993-11-18
DK0573759T3 (da)	1998-02-16
ATE154898T1 (de)	1997-07-15
EP0573759B1 (fr)	1997-07-02

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Publication	Publication Date	Title
DE3002449C2 (fr)	1988-10-06
DE69013284T2 (de)	1995-02-16	Verfahren, um einen vorgegebenen Arbeitsdruck auf Unterwasser-Schneideelemente von Granulier-Maschinen konstant zu halten, und Maschine dieser Gattung mit Einrichtung zum Kontrollieren und Einsetzen dieses Arbeitsdruckes.
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DE2143923C2 (de)	1982-07-01	Verfahren zum kontinuierlichen Plastifizieren und Formen von thermoplastischem Granulat
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DE3602833A1 (de)	1986-08-07	Regelverfahren und -anordnung fuer einen papierherstellungsrefiner
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WO1981000866A1 (fr)	1981-04-02	Dispositif de commande de la vitesse de rotation des broches d'un banc a broches
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