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
  • 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
  • B02C2018/367—Resiliently mounted knives or discs

Definitions

• the invention relates to a wolf, in particular for chopping frozen and fresh meat, with a screw conveyor and a cutting set consisting of a pre-cutter arranged downstream of the screw conveyor, a perforated disk arranged downstream of the pre-cutter at a fixed distance and a driven knife which is arranged between the pre-cutter and the perforated disk is, wherein the cutting set is clamped in the screw housing by means of a lock nut.
• Wolves are known which are designed in accordance with the preamble of claim 1, the knife being inserted into an intermediate space which is formed by a spacer ring between the perforated disk and the pre-cutter. It must be ensured that the knife has very little play so that the cutting process is not affected.
• Such a trained wolf is used for cutting frozen meat. Should also cut fresh meat with such a wolf So far, it has been necessary to replace the cutting sets and possibly also the working screws, which were matched to these cutting sets. In practice, the cutting tools and the screws usually have to be replaced several times a day, which leads to a not insignificant amount of work.
• the invention has for its object to design a wolf of the type mentioned in such a way that it is suitable for cutting both frozen meat and for cutting fresh meat without retooling and in which the cutting set can also be used over a much longer period of time.
• This object is achieved in that the distance between the pre-cutter and the perforated disk is equal to or slightly greater than the radial extent of the knife, that the knife is axially displaceably arranged on the drive shaft and is pressed resiliently against the perforated disk with a predetermined preload.
• the knife which is resiliently pressed against the perforated disk, on the one hand obtains a uniform cutting result even with progressive wear.
• the reasons for this are that, due to the constant preset cutting pressure, the cutting tools are guided exactly, the cutting pressure resulting from the components of the spring and the product itself, so that a product-specific cutting pressure is established here.
• excessive tensioning of the cutting set as was previously the case with manual actuation of the locking nut, is also eliminated.
• the pretension of the knife can also be adjusted so that the cutting pressure can be continuously adapted to the different processing conditions.
• FIG. 2 shows a section corresponding to FIG. 1, another embodiment
• FIG. 3 shows a section along line A-A in FIG. 1
• FIG. 4 shows a section along line B-B in FIG. 1.
• the front end of the worm housing 9 of the wolf is shown, which receives the worm 1, which is provided with a drive shaft 10 at its front end.
• a cutting set which consists of two pre-cutters 2 and a perforated disc 4, is pushed onto this drive shaft 10, the perforated disc and pre-cutter being spaced apart from one another by a spacer ring 11 at a predetermined distance. are ordered.
• a knife 3 is inserted, which is axially displaceable relative to the pre-cutter and perforated disc on the shaft 10, but is rotatably arranged on the latter.
• the displacement path of the knife 3 between the pre-cutter 2 and the perforated disk 4 corresponds to the difference between the spacer ring 11 and the height of the knife 3. This displacement path increases with increasing wear.
• the perforated disc 4 is in turn supported by a support cross 5 and a compensating ring 6 with respect to a locking nut 7 which can be screwed onto an external thread 12 of the worm housing 9.
• a locking nut 7 which can be screwed onto an external thread 12 of the worm housing 9.
• the pre-cutter 2 and the perforated discs 4 have an inner diameter which is larger than the shaft 10, so that a compression spring can be arranged in the space between the shaft 10 and the pre-cutter 2, which on the one hand on the end of the screw 1 and on the other supports the hub of the knife 3.
• a compression spring can be arranged in the space between the shaft 10 and the pre-cutter 2, which on the one hand on the end of the screw 1 and on the other supports the hub of the knife 3.
• the contact pressure which is exerted on the knife 3 by the compression spring 8 can advantageously be set. Such a setting option is not shown in the drawing. 3 shows a view of the pre-cutter with its three passages 14.
• FIG. 4 in turn shows a section along line B-B, the perforated disc 4 and the knife 3 being seen in a top view here.
• Fig. 2 differs from that of FIG. 1 in that here instead of a coil spring 8 a plate spring has been used, which does not act directly on the knife 3, but via a pressure bush 15, which in the space between the shaft 10 and pre-cutter 2 engages.
• the advantage of the arrangement according to the invention is that the cutting pressure is not determined by the locking nut, as is the case in the prior art, with the risk that the cutting pressure will be higher or lower depending on the tightening torque.
• wear is reduced and the service life of the cutting set is increased, it being possible to cut fresh meat as well as frozen meat without any problem, without having to make any changes to the cutting set or the screw.

Landscapes

• Engineering & Computer Science (AREA)
• Food Science & Technology (AREA)
• Crushing And Pulverization Processes (AREA)
• Freezing, Cooling And Drying Of Foods (AREA)
• Meat, Egg Or Seafood Products (AREA)

Priority Applications (1)

Applications Claiming Priority (3)

Publications (2)

Family

ID=8057715

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (18)

Family Cites Families (16)

• 1998
  • 1998-05-28 DE DE29809485U patent/DE29809485U1/de not_active Expired - Lifetime
• 1999
  • 1999-02-26 AT AT99911714T patent/ATE273077T1/de active
  • 1999-02-26 DK DK99911714T patent/DK1082173T3/da active
  • 1999-02-26 DE DE59910213T patent/DE59910213D1/de not_active Expired - Lifetime
  • 1999-02-26 WO PCT/EP1999/001261 patent/WO1999061155A1/fr active IP Right Grant
  • 1999-02-26 EP EP99911714A patent/EP1082173B1/fr not_active Expired - Lifetime
• 2000
  • 2000-11-28 US US09/723,438 patent/US6592060B1/en not_active Expired - Lifetime

Non-Patent Citations (1)

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