EP0303956A2 - Hachoir à viande - Google Patents

Hachoir à viande Download PDF

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Publication number
EP0303956A2
EP0303956A2 EP88112983A EP88112983A EP0303956A2 EP 0303956 A2 EP0303956 A2 EP 0303956A2 EP 88112983 A EP88112983 A EP 88112983A EP 88112983 A EP88112983 A EP 88112983A EP 0303956 A2 EP0303956 A2 EP 0303956A2
Authority
EP
European Patent Office
Prior art keywords
locking
housing
segment
conveyor housing
conveyor
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
EP88112983A
Other languages
German (de)
English (en)
Other versions
EP0303956B1 (fr
EP0303956A3 (en
Inventor
Roland Bässler
Christoph Dipl.-Ing. Gebhardt (Fh)
Albrecht Maurer
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.)
Bizerba SE and Co KG
Original Assignee
Bizerba Werke Wilhelm Kraut GmbH and KG
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 Bizerba Werke Wilhelm Kraut GmbH and KG filed Critical Bizerba Werke Wilhelm Kraut GmbH and KG
Priority to AT88112983T priority Critical patent/ATE96056T1/de
Publication of EP0303956A2 publication Critical patent/EP0303956A2/fr
Publication of EP0303956A3 publication Critical patent/EP0303956A3/de
Application granted granted Critical
Publication of EP0303956B1 publication Critical patent/EP0303956B1/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
    • B02C18/305—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 meat grinder with a housing, a drive unit consisting of a motor and gearbox, a rotary switch for switching the motor on and off, a receptacle bushing that is firmly connected to the gearbox and has a filler shaft, a feed housing that can be inserted into the receptacle bushing in the conveyor housing rotatable screw conveyor, which is connected at one end to the gearbox by a plug-in coupling, a cutting set associated with the conveyor housing and the screw conveyor and a locking device that can be engaged and disengaged for precisely fixing the conveyor housing in the receiving bushing.
  • the locking device comprises a locking shaft which can be moved back and forth between an engaging and a disengaging position and which allows the motor to be switched on only in the engaging position and when the conveyor housing is fixed in position in the receiving bushing.
  • the meat grinder 1 shown schematically in FIG. 1 essentially consists of a machine housing 2 with a filling bowl 3 releasably connected thereto, to which a filling shaft 4 is fastened.
  • the feed chute 4 merges into a receiving bushing 5, which serves for the storage of a delivery housing 6.
  • a screw conveyor 7 is rotatably arranged in the conveyor housing 6, a screw conveyor 7 is rotatably arranged.
  • the screw conveyor 7 is driven by a drive motor 13 (shown in broken lines), a belt drive 14 and a gear 15, the gear 15 being fixedly connected to the receiving bush 5.
  • the screw conveyor is driven by a plug-in coupling. This consists of a square shoulder 16 of the worm 7, which penetrates into a corresponding recess in a drive shaft 17 of the gear 15 designed as a hollow shaft.
  • the conveyor housing 6 rests against a stop collar 18 of the receiving bush 5.
  • the screw conveyor 7 has at its drive end a collar 19 which is arranged at a safety distance S with respect to a rear wall 20 of the conveyor housing 6.
  • the conveyor housing 6 is locked in the receiving bush 5 while maintaining the safety distance S by means of a locking shaft 21 which can be pivoted back and forth between an engagement and disengagement position via a lever 22 rigidly connected to it.
  • the axis of rotation of the locking shaft 21 is perpendicular to the longitudinal axis of the receiving bush 5 and the conveyor housing 6, so that the shaft 21 tangentially cuts the at least partially circular-cylindrical components 5 and 6.
  • the wall of the receiving bushing 5 and the conveying housing 6 each have tangential "half-bores" 45 and 24, which enclose the circular-cylindrical locking shaft 21.
  • This in turn has - compare FIGS. 2 and 3 - a recess 23 in the area of these half-bores, which in the engaged position of the locking shaft 21 fixes the conveyor housing 6 in the receiving bush 5, depending on the disengaged position against insertion or extraction of the conveyor housing 6 with respect to the receiving bush 5.
  • the recess 23 is adapted to the shape of the outer circumference of the conveyor housing 6 accordingly.
  • the locking shaft 21 can be moved back and forth by the lever 22 between the engagement and disengagement position.
  • a first locking segment 25 is connected in a rotationally fixed manner to the locking shaft 21.
  • a conventional rotary switch 27 arranged on the machine housing 2 for switching the electric motor 13 on and off has a switching shaft 26 with a switching handle 29 arranged thereon.
  • a second locking segment 28 is connected in a rotationally fixed manner to the switching shaft 26 and has a guide surface 30 curved concavely about the axis of rotation of the locking shaft 21 and an elongated leg 31.
  • Two bolts 32 protrude from the first locking segment 25 towards the second locking segment 28 and are in abutment against the guide surface 30 in the disengaged position of the locking shaft 21.
  • the bolts 32 act as stops and prevent the second blocking segment 28 and the rotary switch 27 from rotating, so that the motor 13 of the meat grinder 1 cannot be switched on. Only when the shaft 21 is pivoted into the engaged position and thereby the conveyor housing 6 is locked in the receiving bush 5 (shown in broken lines in FIG. 4) can the second locking segment and with it the rotary switch 27 be brought into the switched-on position (also shown in broken lines in FIG. 4) shown).
  • the arrangement of the bolts 32 and the guide surface 30 is designed so that when the first locking segment 25 is pivoted back out of the moved into the engaged position, the second locking segment 28 and thus the rotary switch 27 are taken automatically and thereby the meat grinder 1 is switched off.
  • the locking device according to FIGS. 1 to 4 thus provides double security in that it becomes effective both when the motor 13 is switched on and when the lock is released.
  • the receiving bushing 5 and the conveying housing 6 are locked together by a displaceable bolt 34 which is prestressed by a spring 33, the bolt 34 being guided in the receiving bushing 5 and being able to penetrate into a corresponding recess 35 in the conveying housing 6.
  • an eccentric disk 36 is arranged, by means of which the bolt 34 can be engaged and disengaged by pivoting the shaft 21.
  • the embodiment according to FIG. 5 corresponds to the embodiment according to FIGS. 1 to 4.
  • the locking shaft is designed as a screw spindle 38 which can be rotated in a screw thread of the receiving bushing 5 and can thus be moved axially back and forth with respect to this bushing.
  • a rotary handle 37 is seated on one end of the screw spindle 38, the other end of the screw spindle is designed as a fixing pin 39 which, when the spindle 38 is rotated, penetrates into a corresponding recess 40 in the feed housing 6 and locks it with the receiving bush 5.
  • the screw spindle 38 is seated and the selector shaft 26 each rotatably locking segments 41 and 42, the shape of which is best seen in Figure 7.
  • the locking segment 41 (see FIG. 6) is axially displaced with respect to the locking segment 42, so that the locking segment 42 and thus the rotary switch 27 can be actuated without hindrance.
  • the fixing pin 39 is not in engagement with the recess 40 and therefore the conveyor housing 6 is not locked with the receiving bush 5, the first locking segment 41 engages in a corresponding recess 44 in the second locking segment, so that it is blocked and the Rotary switch 27 can not be turned on (dash-dotted lines in Figure 7).
  • FIGS. 6 and 7 is simplified compared to the embodiments according to FIGS. 1 to 5, because when the screw spindle 38 is moved from the engaged to the disengaged position, there is no inevitable return of the rotary switch 27 from the switch-on to the switch-off position.
  • FIG. 8 schematically shows a further embodiment of the invention.
  • a switch cam 51 which interrupts the electrical current flow from the mains via a safety limit switch 52 and via the switch 27 to the motor 13 if the shaft 21 is not in the engagement position and the conveyor housing 6 is not fixed in position in the receiving socket 5 is. Switching on the motor 13 is therefore only possible with the conveyor housing 6 properly fixed.
  • switch 27 can also in this embodiment a self-holding circuit with a switch protection can be used in a manner known per se.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Meat, Egg Or Seafood Products (AREA)
EP88112983A 1987-08-20 1988-08-10 Hachoir à viande Expired - Lifetime EP0303956B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88112983T ATE96056T1 (de) 1987-08-20 1988-08-10 Fleischwolf.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873727751 DE3727751A1 (de) 1987-08-20 1987-08-20 Fleischwolf
DE3727751 1987-08-20

Publications (3)

Publication Number Publication Date
EP0303956A2 true EP0303956A2 (fr) 1989-02-22
EP0303956A3 EP0303956A3 (en) 1990-01-17
EP0303956B1 EP0303956B1 (fr) 1993-10-20

Family

ID=6334113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88112983A Expired - Lifetime EP0303956B1 (fr) 1987-08-20 1988-08-10 Hachoir à viande

Country Status (3)

Country Link
EP (1) EP0303956B1 (fr)
AT (1) ATE96056T1 (fr)
DE (2) DE3727751A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0695581A1 (fr) * 1994-08-04 1996-02-07 Braun Aktiengesellschaft Hachoir à viande
EP1832346A3 (fr) * 2006-03-07 2009-03-11 La Minerva Di Chiodini Mario S.R.L. Dispositif de sécurité pour hachoir à viande et similaires
ITVI20100352A1 (it) * 2010-12-28 2012-06-29 Felsinea S R L Dispositivo automatizzato di sicurezza per tritacarne
ITBO20110463A1 (it) * 2011-07-29 2013-01-30 Essedue S R L Dispositivo di sicurezza per tritacarne o simili.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE450116C (de) * 1926-11-13 1927-09-29 Wommer Maschinenfabrik Geb Ein-, Ausschalt- und Ausstossvorrichtung bei Fleischwoelfen
DE923952C (de) * 1953-03-08 1955-02-24 Krauss Maffei Ag Fleischwolf mit Drehstromantrieb
DE8320586U1 (de) * 1983-07-16 1983-12-22 Samix-Umwelttechnik-Maschinenbau GmbH, 6330 Kufstein Vorrichtung zum zerkleinern von haeckselgut
DE3503718A1 (de) * 1985-02-04 1985-07-25 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Elektrische kuechenmaschine
DE8526418U1 (de) * 1985-09-16 1986-02-13 Robert Stahlschmidt RST Motorenwerk GmbH, 4800 Bielefeld Gerät mit umlaufendem Werkzeug
DE8526857U1 (de) * 1985-09-19 1985-10-31 Atika-Maschinenfabrik Wilhelm Pollmeier GmbH & Co, 4730 Ahlen Gartenhäcksler

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0695581A1 (fr) * 1994-08-04 1996-02-07 Braun Aktiengesellschaft Hachoir à viande
EP1832346A3 (fr) * 2006-03-07 2009-03-11 La Minerva Di Chiodini Mario S.R.L. Dispositif de sécurité pour hachoir à viande et similaires
ITVI20100352A1 (it) * 2010-12-28 2012-06-29 Felsinea S R L Dispositivo automatizzato di sicurezza per tritacarne
EP2471601A1 (fr) * 2010-12-28 2012-07-04 La Felsinea S.r.L. Dispositif de sécurité automatisé pour hachoirs
ITBO20110463A1 (it) * 2011-07-29 2013-01-30 Essedue S R L Dispositivo di sicurezza per tritacarne o simili.

Also Published As

Publication number Publication date
ATE96056T1 (de) 1993-11-15
EP0303956B1 (fr) 1993-10-20
EP0303956A3 (en) 1990-01-17
DE3885039D1 (de) 1993-11-25
DE3727751A1 (de) 1989-03-02

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