US3586083A - Mincing machine - Google Patents

Mincing machine Download PDF

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Publication number
US3586083A
US3586083A US802483A US3586083DA US3586083A US 3586083 A US3586083 A US 3586083A US 802483 A US802483 A US 802483A US 3586083D A US3586083D A US 3586083DA US 3586083 A US3586083 A US 3586083A
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US
United States
Prior art keywords
blade
holder
disc
knife
precutter
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
US802483A
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English (en)
Inventor
Hans Neuner
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.)
Vemag Verdener Maschinen und Apparatebau GmbH
Original Assignee
Vemag Verdener Maschinen und Apparatebau 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.)
Filing date
Publication date
Priority claimed from DE19681657220 external-priority patent/DE1657220C3/de
Application filed by Vemag Verdener Maschinen und Apparatebau GmbH filed Critical Vemag Verdener Maschinen und Apparatebau GmbH
Application granted granted Critical
Publication of US3586083A publication Critical patent/US3586083A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • B02C18/304—Mincing machines with perforated discs and feeding worms with horizontal axis with several axially aligned knife-perforated disc units
    • 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 mincing machine, preferably for meat.
  • the invention is particularly concerned with a mincing machine having at least one perforated disc over which knifeblades rotate; the blades are movably held in a multiarmed knife-head and resiliently pressed against the perforated disc, those surfaces of the arms of the knife-head which are to the front in the circumferential direction being at an acute angle to the surface of the perforated disc.
  • German Pat. specification No. I 167214 is disadvantageous to the extent that the knife-blades which are individually and movably guided and sprung in slits in the knife-head easily become jammed if any of the material being minced sticks in the slits and on the spring biasing elements. The knife-blades are then no longer capable of developing their action described above.
  • a mincing machine has at least one perforated disc and a multiarmed knife-head mounted for rotation adjacent the disc and comprising a precutter which is substantially axially fixed relative to the disc and which has arm elements constituting the leading parts of the knife-head arms and having leading faces at an acute angle to the surface of the disc, a blade-holder which is axially displaceable relative to the precutter and the disc and which has arm elements constituting the trailing parts of the knife-head arms, knifeblades carried by the blade-holder arm elements between the precutter and blade-holder arm elements, and biasing means for biasing the blade-holder toward the disc so that the blades are pressed against the blade surface.
  • the biasing means may readily be arranged so that it is not exposed to the action of the material being minced, there is no danger of the springing of the knife-blades being obstructed.
  • the fact that the knife-head is separated into the precutter and blade holder preserves unaf fected the axial relative attitude or those front surfaces of the arms of the knife-head which are disposed obliquely with respect to the perforated disc, and which set up a pumping action which conveys the material being minced through the machine, while the blade-holder together with the knifeblades can move axially in relation to the precutter.
  • the arrangement according to the invention has a particularly advantageous effect when applied to mincing machines having a plurality of knife-heads and perforated discs. While it has hitherto been necessary to take care that mutual clearances between the knife-heads were exactly equal to the clearances between the associated perforated discs, the arrangement according to the invention may not involve the necessity for any rigid corltmon alignment of the individual mincing stages. It is therefore "readily possible for unskilled hands to put together the individual parts after the replacement of worn parts or after cleaning.
  • the biasing means which exert pressure on the blade-holder may be a spiral spring concentric with the driving shaft. However, it may also be a gas-filled annular space concentrically surrounding the driving shaft and subjected to externally adjustable pressure, of for example a liquid under pressure.
  • the latter form of biasing means may with advantage have control means so arranged that there is no pressure in the annular space when the machine is idling, and the material entering the machine actuates a switching member which enables a predetermined working pressure to take effect in the annular space.
  • FIG. I is a side view of a three-stage meat mincing machine, the upper half being shown in axial section,
  • FIG. la is a section along the line A-B in FIG. 1,
  • FIG. 2 is a plan view of the knife-head and perforated disc or a mincing stage
  • FIG. 3 is a perspective exploded view of the parts shown in FIG. 2, and
  • FIG. 4 is a sectional view corresponding to FIG. 1 but on an enlarged scale through the first mincing stage, but with a modified biasing arrangement, a preferred form of control means for said modified arrangement being illustrated schematically.
  • the mincing machine has a cylindrical housing I of the mincing stages within which are mounted three perforated discs 2 spaced away from one another, and having perforations of decreasing diameter and increasing number in the direction in which the material being minced is conveyed (arrow 3).
  • the discs 2 are spaced by cutting rings 4 which are in the form of cylindrical sleeves with inwardly projecting teeth 5, and which abut the discs 2 adjacent their peripheries, the assembly of discs and cutter rings being clamped within the housing I between a rib formed at the forward end of the housing and a nut 6.
  • Each of the discs 2 has a knife-head designated as a whole by 8, and having a knife-blade 9 bearing against the associated disc 2.
  • the three knife-heads 8 are arranged on a shaft 7 running coaxially in the housing I, and having the cross-sectional shape shown in FIG. la; the bearings for the shaft are not illustrated.
  • Each knife-head 8 consists essentially of a precutter l0 and a bladeholder 11, of which the hollow hubs l2 and 13 respectively fit concentrically one into the other (FIGS. 2 and 3).
  • each knife-head has three arms of each of which the leading element is a component of the precutter and the trailing element 116 is a component of the blade-holder llll.
  • the precutter is illustrated by only the hub lit) with its annular shoulder 114 at one end and the outermost tip of the front part 115 of one arm of the knife-head projecting beyond the associated rear part 16.
  • the hub 12 of each precutter 110 has cutaways 17 in which correspondingly shaped portions 118 of the arm elements 16 of the knife-head arms fit (FIG. 3).
  • the shoulder T4 of each hub 12 has a bore shaped similarly to the polygonal cross section of the shaft 7, so that the precutters are rotated with the shaft; on the other hand, the bore a in the corresponding shoulder 20 of the hub 13 of each bladeholder III is larger than the maximum shaft diameter and the blade-holders are therefore not linked in torque-transmitting manner with the shaft 7.
  • the blade-holder 111 is moved with the precutter 10 by virtue of the engagement of the edges of the cutaways 17 with the portions B8 of the rear arms 16 of the knife-head; as a result there is a positive driving link between each precutter W and its blade-holder ill.
  • the driving link between the precutter 10 and the shaft 7 may also be set up, as the modification illustrated in FIGS. 2 and 3 shows, by a spring fitting on the shaft 7 and a groove 19 surrounding the latter in the shoulder 14 of the precutter hub l2.
  • the cutaways 17 in the hollow hub 112 of the precutter it) are deeper in the axial direction than the height of the portions 18 of the trailing arm elements 16 of the knife-head arms. This gives the blade-holder ill a certain amount of axial mobility in the precutter I19. This mobility is unhindered by the clamping of the three hubs 12 of the precutters 110 against one another between a shoulder 2ll on a rotary pump wheel22 and a ring nut 23; this wheel 22 sets up suction downstream of the mincing stages and ejects from the machine the minced material emerging through the perforated disc 2 of the last stage.
  • each blade-holder 11 can also rock to some extent.
  • a spiral spring 24 inserted between the shoulder 20 of the hub 13 of each blade-holder ill and the shoulder 14 of the hub 12 of the neighboring precutter W or the ring 23, and concentrically surrounding the shaft 7, presses each bladeholder Ill against the associated perforated disc 2.
  • the knife-blades 9 of each knife-head bear against the associated perforated disc 2.
  • the knife-blades 9 are mounted by means of holes 25 on pins 26 projecting in the circumferential direction from those surfaces of the rear arm elements 16 of the blade-holder llil that are to the front in the direction of rotation 27.
  • the slit formed between the arm elements 16 of the blade-holder H and the arm elements 115 of the precutter 10 is sufficiently narrow to prevent the knife-blades 9 from dropping off the pins 26, but sufficiently wide to ensure that the knifeblades 9 can pivot unhindered on their pins.
  • Grooves 28 in those surfaces of the arm elements 15 are to the rear in the direction of rotation, and that facing the knife-blades 9, ensure the dispersal of any material being minced that may penetrate between the knife-blades 9 and those surfaces of the elements 15.
  • the blades 9 may adjust to avoid particularly hard bone and gristle components in the material being minced. This ability of the blades 9 to adapt, materially reduces the frictional wear thereon.
  • leading surfaces 29 of the leading arm elements 15 of the precutter I0 extend in known manner obliquely to the perforated disc 2. They are advantageously followed by a surface 39 extending substantially parallel to the perforated disc 2 and retaining the material to be minced that has collected by the oblique surfaces 29 until it is minced by the knife-blades 9 in conjunction with the perforations in the associated disc 2, so that the material is prevented from dancing in front of the knife-blades 9.
  • the space 31 between the hubs of the precutter B0 and the associated blade-holder 111 of the last knife-head 8 (at the left in FIG.
  • FIG. B shows similar bores for the other two knife-heads 8 passing through the hubs 114 so that the spaces 31 of all the mincing stages are in communication parallel to the shaft 7.
  • FIG. 4 shows a cutaway portion of a modified design of the means of resiliently pressing the blade-holder 111 against the perforated disc 2.
  • a pistonlike, pressure operated arrangement is employed.
  • an annular air-filled ring 33 is disposed against the shoulder 20 of the hollow hub 13 of the blade-holder ill.
  • the ring 33 is accommodated in an annular space 34 defined internally by the shaft 7 and externally by the hub 13, on one face by the shoulder 20 and on the other face by a sleeve 35 inserted into the hollow hub 13. Said sleeve 35 abuts against the ring 23 to limit axial movement thereof in one direction.
  • the sleeve 35 carries annular sealing elements 40 and 42, which engage the inner bore of the hub 13 and the external surface of shaft 7, respectively.
  • shoulder 20 may carry an annular packing member 44 which sealingly engages shaft 7. Accordingly, it may be seen that the annular space 34 is substantially fluidtight, except for its communication with a source of fluid under pressure, as will be detailed hereinafter.
  • ring 33 includes annular sealing lips 36 to insure that pressurized fluid does not leak past said ring.
  • Annular. space 34 communicates with a source of fluid under pressure via an axial shaft bore 37 and a transverse bore 38.
  • the fluid upon the introduction of fluid under pressure into the annular space 34, the fluid will exert an axial force on shoulder 29 via the ring 33, which force is effective to move the balde-holder 111 and its associated blades 9 toward and against the perforated disc 2.
  • the pressurized fluid is withdrawn from the chamber 34 or the pressure head in said chamber is reduced in some other manner, the blades 9 will not be forced into engagement with the disc 2 and will move freely therepast.
  • the pressure in annular space 34 is reduced to avoid undue wear on blades 9.
  • the blades 9 of the embodiment of FIG. 4 may also adapt, so that they can to a certain extent avoid hard bone and/or gristle. This is accommodated for by providing that the biasing force exerted by the pressurized fluid is such as to permit slight retraction of the blade holder l1 when bone or gristle is encountered.
  • a switch 46 is positioned within the mouth or entry portion of a hopper 48 that is associated with the mineing machine of the present invention.
  • the switch 46 is normally opened and positioned such that it will be actuated by material being introduced into hopper 48, which engagement biases the switch to the closed condition.
  • solenoid 5'1 is placed in circuit with a source of power 52 to energize the solenoid coil, and move the solenoid actuator rod 54 downwardly.
  • the actuator rod 54 is operably joined to a piston member 56 of a fluid cylinder arrangement 58 to effect movement thereof in the direction indicated.
  • the fluid cylinder 53 has an outlet port 69 which communicates with a fluid line 62 which in turn is associated with the shaft bore 37. Accordingly, upon energization of solenoid 50, piston 56 will move downwardly forcing fluid out of cylinder 58, thus increasing the fluid pressure in line 62 and correspondingly, in the annular space 34 via bores 37 and 38.
  • switch 46 While the material to be processed engages switch 46, the circuit to solenoid 50 will be closed and the blades 9 biased into engagement with discs 2. Since it is desirable for the biasing of blades 9 to continue after the last portion of material passes switch 46, so that the mincing process may be completed, switch 46 is preferably of a type which will remain closed for a short period of time after engagement by material in hopper 48 ceases. A wide variety of switches of this type are available, as are other means for effecting the same end result, and further explanation is not deemed necessary.
  • the knife-heads 8 have three arms, but it is to be understood that each knifehead may have two or more than three arms as required. Also, it is envisioned that various other changes, modifications and substitutions may become readily apparent to one skilled in the art from the foregoing description. It is intended that said modifications or changes shall be within the scope of the present invention insofar as they are encompassed by the claims appended hereto.
  • a mincing machine including; at least one perforated disc; a multiarmed knife-head mounted adjacent said disc for relative rotation therebetween, and said knife-head comprising, a blade-holder which is axially displaceable relative to said disc, a plurality of knife-blades carried by said bladeholder, and a precutter which is substantially axially fixed relative to the disc and which has arm elements constituting the leading parts of the knife-head arms and having leading faces at an acute angle to the surface of said disc, said blade-holder being axially displaceable relative to said precutter and having arm elements constituting the trailing parts of the knife-head arms, said precutter and blade-holder arm elements carrying the knife-blades therebetween; and biasing means for biasing the blade-holder and its associated blades axially toward said disc such that said blades are resiliently pressed against the disc surface.
  • both the precutter and the blade-holder have hollow hubs, the precutter hub coaxially surrounding the blade-holder hub which has projecting elements thereon'engaging in recesses fon'ned in said precutter hub, whereby said precutter and blade-holder will rotate together with relative axial movement therebetween being permitted.
  • a mincing machine includes a hub and a radially inwardly extending flange against which the biasing means acts to resiliently press the blades against the disc surface.
  • said biasing means is a spiral spring engaging said radially inwardly extending shoulder on the blade-holder hub.
  • said biasing means includes a fluid-operated arrangement.
  • a mincing machine including: at least one perforated disc; a multiarmed knife-head mounted adjacent said disc for relative rotation therebetween, and said knife-head including a blade-holder which is axially displaceable relative to said disc, a plurality of knife-blades carried by said blade-holder, and a precutter which is substantially axially fixed relative to the disc and which has arm elements constituting the leading parts of the knife-head arms and having leading faces at an acute angle to the surface of said disc, said blade-holder being axially displaceable relative to said precutter and having arm elements constituting the trailing parts of the knife-head arms, said precutter and blade-holder arm elements carrying the knife-blades therebetween; and means defining an annular space between said precutter and said blade-holder and adapted upon the introduction of fluid under pressure into said space to bias said blade-holder axially to engage said disc; and control means for selectively applying liquid under pressure to said annular space.
  • control means includes; sensing means operated by entry of material to be minced into said mincing machine; means for applying liquid under pressure to said annular space; and means operated by said sensing means for actuating said applying means.
  • a mincing machine including: at least one perforated disc; a multiarmed knife-head mounted adjacent said disc for relative rotation therebetween, and said knife-head comprising, a blade-holder which is axially displaceable relative to said disc, and a plurality of knife-blades carried by said bladeholder; and biasing means for biasing the blade-holder and its associated blades axially toward said disc such that said blades are resiliently pressed against the disc surface, said biasing means including a fluid-operated arrangement, said arrangement including a radially inwardly extending annular flange on said blade-holder, structure cooperating with said flange to define an annular enclosed space, sealing means for rendering said space substantially fluidtight, and fluid conduit means in communication with said space and adapted to be connected to a source of fluid under pressure whereby upon the introduction of fluid under pressure into said space said axial movement of the blade-holder relative to the disc may be effected.
  • a mincing machine as defined in claim 16 further including control means for activating said fluid-operated arrangement upon material being minced entering said machine.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
US802483A 1968-03-01 1969-02-26 Mincing machine Expired - Lifetime US3586083A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681657220 DE1657220C3 (de) 1968-03-01 1968-03-01 Fleischzerkleinerungsmaschine

Publications (1)

Publication Number Publication Date
US3586083A true US3586083A (en) 1971-06-22

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ID=5685421

Family Applications (1)

Application Number Title Priority Date Filing Date
US802483A Expired - Lifetime US3586083A (en) 1968-03-01 1969-02-26 Mincing machine

Country Status (7)

Country Link
US (1) US3586083A (fr)
AT (1) AT320464B (fr)
BE (1) BE728962A (fr)
CH (1) CH489279A (fr)
FR (1) FR2002977A1 (fr)
GB (1) GB1249919A (fr)
SE (1) SE355501B (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001000325A1 (fr) * 1999-06-25 2001-01-04 Convenience Food Systems Wallau Gmbh & Co. Kg Machine pour broyer une matiere coupee organique
EP1837078A1 (fr) * 2006-03-24 2007-09-26 Maschinenfabrik Laska Gesellschaft m.b.H. Hache-viande
WO2008145310A1 (fr) * 2007-06-01 2008-12-04 Inotec Gmbh Maschinenentwicklung Und Vertrieb Dispositif de broyage d'un produit à broyer
US7753299B1 (en) 2005-07-29 2010-07-13 Freezing Machines, Inc. Multi-stage, variable force apparatus and method for grinding foodstuffs
JP2013537103A (ja) * 2010-09-09 2013-09-30 フーゴ・フォーゲルザング・マシネンバウ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 粉砕装置
ITRM20130194A1 (it) * 2013-04-03 2014-10-04 Evoluzione Srl Macchina con girante portacoltelli perfezionata, per la lavorazione della carne.
CN108435372A (zh) * 2018-05-23 2018-08-24 河南绿色九州环保科技股份有限公司 一种用于动物尸体的自适应切割搅拌刀齿及其处理设备
CN109622119A (zh) * 2019-01-21 2019-04-16 浙江广厦建设职业技术学院 一种环保型建筑废物处理装置
US10682650B2 (en) 2014-08-22 2020-06-16 Karl Schnell Gmbh & Co. Kg Mincing machine for mincing a product
CN112517149A (zh) * 2020-11-19 2021-03-19 东台市奥力维食品有限公司 一种西兰花加工打碎装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29622298U1 (de) * 1996-12-21 1998-04-16 Tetra Laval Convenience Food Fleischwolf
DE29716406U1 (de) * 1997-09-12 1999-01-21 Vemag Maschinen- Und Anlagenbau Gmbh, 27283 Verden Vorrichtung zum Fördern und Bearbeiten von Wurstmasse
DE19960409A1 (de) * 1999-12-15 2001-06-21 Inotec Gmbh Maschinenentwicklu Vorrichtung zum Zerkleinern eines Zerkleinerungsgutes
DE102010055785B4 (de) 2010-12-23 2016-03-31 Maschinenfabrik Seydelmann Kg Konti Kutter Vakuum
DE102010055786B4 (de) 2010-12-23 2014-12-04 Maschinenfabrik Seydelmann Kg Lochscheibensystem
CN103240154A (zh) * 2013-03-12 2013-08-14 苏有良 一种流体对冲击式研磨分散元件

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001000325A1 (fr) * 1999-06-25 2001-01-04 Convenience Food Systems Wallau Gmbh & Co. Kg Machine pour broyer une matiere coupee organique
US6644574B1 (en) 1999-06-25 2003-11-11 Convenience Food Systems Wallau Gmbh & Co. Kg Machine for chopping organic cut products
US7753299B1 (en) 2005-07-29 2010-07-13 Freezing Machines, Inc. Multi-stage, variable force apparatus and method for grinding foodstuffs
EP1837078A1 (fr) * 2006-03-24 2007-09-26 Maschinenfabrik Laska Gesellschaft m.b.H. Hache-viande
WO2008145310A1 (fr) * 2007-06-01 2008-12-04 Inotec Gmbh Maschinenentwicklung Und Vertrieb Dispositif de broyage d'un produit à broyer
JP2013537103A (ja) * 2010-09-09 2013-09-30 フーゴ・フォーゲルザング・マシネンバウ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 粉砕装置
ITRM20130194A1 (it) * 2013-04-03 2014-10-04 Evoluzione Srl Macchina con girante portacoltelli perfezionata, per la lavorazione della carne.
WO2014162223A1 (fr) * 2013-04-03 2014-10-09 Evolution S.R.L. Machine dotée d'un rotor porte-couteaux amélioré, destinée au traitement de la viande
US10682650B2 (en) 2014-08-22 2020-06-16 Karl Schnell Gmbh & Co. Kg Mincing machine for mincing a product
CN108435372A (zh) * 2018-05-23 2018-08-24 河南绿色九州环保科技股份有限公司 一种用于动物尸体的自适应切割搅拌刀齿及其处理设备
CN108435372B (zh) * 2018-05-23 2023-09-29 郑州英莱机电设备有限公司 一种用于动物尸体的自适应切割搅拌刀齿及其处理设备
CN109622119A (zh) * 2019-01-21 2019-04-16 浙江广厦建设职业技术学院 一种环保型建筑废物处理装置
CN112517149A (zh) * 2020-11-19 2021-03-19 东台市奥力维食品有限公司 一种西兰花加工打碎装置

Also Published As

Publication number Publication date
SE355501B (fr) 1973-04-30
AT320464B (de) 1975-02-10
FR2002977A1 (fr) 1969-11-07
BE728962A (fr) 1969-08-01
CH489279A (de) 1970-04-30
GB1249919A (en) 1971-10-13

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