EP1243338B1 - Arrangement de joint - Google Patents

Arrangement de joint Download PDF

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Publication number
EP1243338B1
EP1243338B1 EP02003391A EP02003391A EP1243338B1 EP 1243338 B1 EP1243338 B1 EP 1243338B1 EP 02003391 A EP02003391 A EP 02003391A EP 02003391 A EP02003391 A EP 02003391A EP 1243338 B1 EP1243338 B1 EP 1243338B1
Authority
EP
European Patent Office
Prior art keywords
disc
partition
aperture
shaft
bearing
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
EP02003391A
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German (de)
English (en)
Other versions
EP1243338A1 (fr
Inventor
Uwe Dipl.-Ing. Reifenhäuser
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Individual
Original Assignee
Individual
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Publication date
Application filed by Individual filed Critical Individual
Publication of EP1243338A1 publication Critical patent/EP1243338A1/fr
Application granted granted Critical
Publication of EP1243338B1 publication Critical patent/EP1243338B1/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
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts

Definitions

  • the invention relates to a device for the sealed implementation of a rotatable Shaft and / or an axially displaceable tappet through a through opening in a Partition wall, the shaft and / or the plunger in a direction perpendicular to it or its longitudinal axis is movable relative to the partition.
  • the partition wall often has the task of Areas with different purity requirements or with different environmental conditions separate from each other, or the partition forms part of a Housing, for example for the rotary drive of the shaft or a linear drive for the pestle. Due to this separation function of the partition, the implementation the shaft or the plunger meet certain tightness requirements in order to a passage of media from one area to the other as well as the reverse Avoid direction if possible.
  • the drive technology and the associated electronics must be used in the cleaning process be protected from the sometimes aggressive effects of the cleaning media.
  • electric drives for example, there is protection against the ingress of water necessary.
  • foreign substances emanating from the drive units contact the food to be processed.
  • Lubricating greases and oils are substances that are considered contamination in the food and therefore must never come into contact with the food.
  • the generally known bushing devices according to the prior art are, for example provided with lamellar seals or labyrinth seals.
  • the known bushing devices are not waterproof, but at most water repellent. Especially if steam jet cleaning of an area on one side the partition is required, have the seals known from the prior art does not meet the required sealing properties.
  • the seals known from the prior art does not meet the required sealing properties.
  • that forms moist environment in the encapsulation in connection with inevitably also penetrating Organic substances are an ideal breeding ground for microorganisms that come out of the through opening get into the cutting area for the food and thus contaminate it can.
  • the invention has for its object to propose a feedthrough device a movement of a shaft or a plunger perpendicular to its longitudinal axis allowed and yet meets very high requirements for the tightness of the implementation.
  • this object is achieved according to the invention solved in that the shaft or the plunger sealed by a lead-through can be passed through in an inner disk, the central axis of the passage opening is arranged eccentrically in the inner disk that the inner disk in a sealed at their outer diameter inner bearing opening in an outer disc and is rotatably supported, the central axis of the inner bearing opening being eccentric is arranged in the outer disc, and that the outer disc in another Outer diameter adapted outer bearing opening in the partition and sealed can be rotated.
  • the device according to the invention makes use of the principle of two nested within one another Eccentric bearings, resulting in a translatory movement in two purely rotary Movements can be implemented. While sealing a bushing through a slot-shaped through opening, as is customary in the prior art, as has turned out to be extremely problematic, seals of purely rotatable shafts or purely axially movable tappets are hardly a problem. According to the prior art here already a variety of practical solutions, for example in the form of shaft seals, O-rings, lip seals or sealing sleeves known to be reliable Allow sealing.
  • the sealing of a merely rotating shaft or one only axially movable plunger is of such high quality without major technical Effort possible that the implementation of the shaft or the plunger easily waterproof can be executed. Since the sealing of the inner pane against the outer pane and the outer pane opposite the partition purely by means of radial seals can take place, the device according to the invention comes completely without seals from which is also a translational movement within the sealing plane, that is the Partition plane, must allow. In contrast to devices according to the prior art Technology is therefore also an option when using steam jet devices for cleaning purposes Passage of water through the sealed bushing is not to be feared because of the seal quality of radial seals can be very good.
  • the outer bearing opening is limited by a bearing flange which is releasably connectable to the partition, wherein the diameter of a partition opening is larger than the diameter of an outer bearing opening and is smaller than the outside diameter of the bearing flange. That way you can the requirements for tolerances in the manufacture of the bearing opening are reduced. This is particularly advantageous because the bearing opening is often larger Partition is arranged, the precise processing may not be easy is possible. In the present case, according to the invention, only the bearing flange is small To produce tolerances, which, however, is easily possible due to the compactness.
  • the outer disc consists of two Half disks are detachably connectable, which are connected to each other Condition of an annular groove starting from the outer surface of the outer disk form, in the operating state of the device from the inner surface of the bearing flange or the partition wall radially inwardly extending annular bead engages, the positive connection by the separation of the two half disks can be canceled from each other.
  • the outer disk in turn is composed of two detachably connectable half disks, which are in one another connected state a starting from the inner surface of the outer disc Form an annular groove in which, in the operating state of the device, one from the outer
  • the outer surface of the inner disc has a radially outwardly extending annular bead engages, the positive connection by separating the two half disks from each other can be canceled.
  • the outer pane is composed of two half panes and on both lateral surfaces is each equipped with an annular groove formed during assembly, can complete the assembly of the device according to the invention in that the between inner Disc and bearing flange or partition remaining space thereby closed is that the two half disks are joined together from both sides of the partition and - for example by means of screws - are connected to each other.
  • the dissolution of the The connection is made analogously in the opposite order. Because of the positive connection on both sides of the two-part outer disc is an unintentional dissolution the entire device almost excluded.
  • Feed-through pot which has a cylindrical shell part and a disc-shaped base part has, which is provided with a bottom opening through which the shaft or the plunger can be passed in a sealed manner.
  • the feed-through pot creates space in the axial direction for example to ensure a particularly high quality seal or to create additional radial support options may be required. The requirements for the processing quality of the inner pane can also be reduced.
  • the feedthrough device according to the invention is particularly suitable for use with a cutting machine for example for food, with on one side of the partition a drive device encapsulated by this and further wall sections for a shaft guided by the partition and an encapsulated drive device for linear displacement the shaft perpendicular to its longitudinal axis and on the other side of the partition a transmission device driven by the shaft for a conveying, pressing or Cutting device for the material to be cut is arranged.
  • a drive roller for a pressure conveyor belt sealed with an end portion of its outer jacket, within the bottom opening of the feed-through pot is stored.
  • FIGS 1 to 4 show a section of a cutting machine for food, in particular for meat and sausages or the like, which with a device 1 for Implementation of a rotatable shaft through a through opening 2 of a partition 3 provided is.
  • the shaft is a drive roller 4 for a looping one Conveyor belt, which is not shown in the figures for the sake of clarity.
  • the conveyor belt forms a so-called upper pressure conveyor belt with which a strand of material to be cut supported from above and conveyed to a cutting device, not shown becomes.
  • a lower belt runs parallel to it, with which the material to be cut is pushed onto the cutting device.
  • Lower and upper Conveyor belts have essentially the same feed speed and ensure that the material to be cut at the feed on the cutting device, which is perpendicular to the conveying direction exerts acting forces, not deflected from the actual feed cross-section becomes.
  • the lower conveyor belt is an adjustment, i.e. adjustment, of the upper conveyor belt, that means, in particular, a displacement of its drive roller 4 into vertical Direction, that is to the lower conveyor belt to or away from this, required.
  • the drive device is located among other things, must be cleaned regularly and very thoroughly for the drive roller 4 on the - based on the drive roller 4 - opposite Side of the partition 3 and is there with the help of other, not shown Walls housed in a box-shaped housing.
  • Carrying out the drive shaft or the drive roller 4 through the partition 3 is carried out with the help of the invention sealed bushing 1, despite the linear mobility of the central axis the drive roller 4 in the vertical direction, the use of high-pressure cleaning devices, for example allowed on the side of the drive roller 4 without water on the other side of the partition 3 can reach.
  • the sealed implementation prevents, for example, abrasion or grease or Oils through the partition 3 into the feed area of the food to be cut reach.
  • the shaft of the drive roller 4 is driven by means of a motor 5.
  • the entire Unit of drive roller 4, associated drive shaft and motor 5 is in one vertical movable carriage 6 mounted, the four with the help of 7 in two vertically extending Rails 8 is movable.
  • the rails 8 are on an L-shaped bearing bracket 9 a triangular support plate 10 held.
  • the bearing bracket 9 is with a bottom plate 11 connected to the drive device.
  • the carriage 6 has a support plate 12, which has a through hole, in the area of which a nut 13 is fixed to the support plate 12 is connected.
  • a threaded spindle 14 is passed through with an end section 15 is received in a bearing block 16 connected to the base plate 11 is.
  • the vertically running threaded spindle 14 is driven by a motor 17, which is coupled to the bearing block 16.
  • the motor 17 moves the threaded spindle 14 in Rotation, this leads to a vertical movement of the carriage 6 and thus also the whole Drive device for the drive roller 4 of the upper conveyor belt.
  • the device 1 for the sealed passage of the shaft of the drive roller 4 can be in their structure can be seen particularly clearly in FIGS. 5 and 6.
  • the device 1 has an inner disk 18, an outer disk 19 and a bearing flange 20.
  • the Bearing flange 20 is - as can also be seen from FIG. 3 - screwed to the partition 3.
  • the outer disc 19 consists of two half discs 21 and 22 screwed together interconnected state, the two half disks 21 and 22 close one of the outer circumferential surface of the outer disc 19 an outgoing annular groove into which one of the engages inner circumferential surface of the bearing flange 20 radially inwardly extending annular bead 23.
  • the outer diameter the outer disc 19 is adapted in the area of the groove base of the annular groove, This results in a positive connection, the rotation of the outer disc 19 within of the bearing flange allows, however, an axial displacement of the two components to each other prevented.
  • the two half disks 21 and 22 form one of the inner lateral surface the outer disc 19 outgoing annular groove into which a from the outer surface the inner disk 18 engages radially outwardly extending annular bead 24.
  • a sealing ring 25 and 26 with a circular cross section.
  • the Half disk 22 has a T-shaped cross section and ensures in the course of a screw connection of the two half disks 21, 22 for pressing the sealing rings 25 and 26 between two radially outwardly or inwardly projecting groove cheeks and opposite Contact surfaces on the inner disk 18 or the bearing flange 20.
  • the inner disk 18 has a feed-through opening 27 into which a feed-through pot 28 is inserted is, which, starting from the device 1, extends in the direction of the drive roller 4.
  • the feed-through pot 28 is with a plurality of screws with the inner washer 18 connected.
  • the feed-through pot 28 has a cylindrical casing part 29 and disc-shaped base part 30, the holes for screwing with the inner Has disc 18.
  • the bottom part 30 is further provided with a bottom opening into which an end portion 31 of the drive roller 4 is inserted in a sealed manner.
  • FIGS. 5 and 6 in addition to the central axis 32 of the through opening 27, there is also the central axis 34 of the inner disk 18 and the central axis 35 of the outer disk 19 and the Bearing flange 20 shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Devices (AREA)
  • Rotary Pumps (AREA)
  • Glass Compositions (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Materials For Medical Uses (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Gasket Seals (AREA)

Claims (8)

  1. Dispositif (1) pour faire passer en étanchéité un arbre rotatif et/ou un poussoir axialement coulissant dans une ouverture (2) de passage d'une cloison (3) séparatrice, l'arbre et/ou le poussoir pouvant être déplacé par rapport à la cloison (3) séparatrice dans une direction respectivement perpendiculaire à son axe longitudinal, caractérisé en ce que l'arbre et ou le poussoir peut être passé en étanchéité dans une ouverture (27) de passage d'un disque (18) intérieur, l'axe (32) médian de l'ouverture (27) de passage étant disposé excentriquement dans le disque (18) intérieur, en ce que le disque (18) intérieur est monté en étanchéité et à rotation dans un disque (19) extérieur, dans une ouverture de montage intérieure adaptée à son diamètre extérieur, l'axe (34) médian de l'ouverture de montage intérieure étant disposé excentriquement dans le disque (19) extérieur, et en ce que le disque (19) extérieur est monté en étanchéité et à rotation dans la cloison (3) séparatrice, dans une ouverture de montage extérieure adaptée à son diamètre extérieur.
  2. Dispositif suivant la revendication 1, caractérisé en ce que l'ouverture de montage extérieure est délimitée par un flasque (20) de montage qui peut être assemblé de façon amovible à la cloison (3) séparatrice, le diamètre d'une ouverture de la cloison séparatrice étant supérieur au diamètre de l'ouverture de montage extérieure et inférieur au diamètre extérieur du flasque (20) de montage.
  3. Dispositif suivant la revendication 2, caractérisé en ce que le disque (19) extérieur est composé de deux demi-disques (21, 22) pouvant être mutuellement assemblés de façon amovible, qui forment lorsqu'ils sont mutuellement assemblés une rainure annulaire partant de la face latérale extérieure du disque (19) extérieur, rainure qui, dans l'état de service du dispositif (1), s'engage dans un bourrelet (23) annulaire s'étendant radialement vers l'intérieur depuis la face latérale intérieure du flasque (20) de montage, l'assemblage à complémentarité de forme pouvant être supprimé en séparant les deux demi-disques (21, 22).
  4. Dispositif suivant l'une des revendications 1 à 3, caractérisé en ce que le disque (19) extérieur est composé de deux demi-disques (21, 22) pouvant être mutuellement assemblés de façon amovible, qui forment lorsqu'ils sont mutuellement assemblés une rainure annulaire partant de la face latérale intérieure du disque (19) extérieur, rainure dans laquelle, dans l'état de service du dispositif (1), s'engage positivement un bourrelet (24) annulaire s'étendant radialement vers l'extérieur depuis la face latérale extérieure du disque (18) intérieur, l'assemblage à complémentarité de forme pouvant être supprimé en séparant les deux demi-disques (21, 22) l'un de l'autre.
  5. Dispositif suivant l'une des revendications 1 à 4, caractérisé en ce qu'un pot (28) de passage est posé sur l'ouverture (27) de passage dans le disque (18) intérieur, pot qui comporte une partie (29) cylindrique de face latérale et une partie (30) de fond en forme de disque, qui est pourvue d'une ouverture de fond dans laquelle l'arbre et/ou le poussoir peut être passé en étanchéité.
  6. Dispositif suivant les revendications 3 et 4, caractérisé en ce qu'une bague (25, 26) d'étanchéité respective en matériau élastomère est disposée entre un demi-disque (22) à section en forme de T, dans la région de deux joues de rainure dépassant radialement vers l'extérieur et vers l'intérieur, et des faces d'application opposées sur le flasque (20) de montage et le disque (18) intérieur.
  7. Machine de coupe équipée d'un dispositif suivant l'une des revendications 1 à 6, suivant laquelle un équipement d'entraínement, entièrement enfermé par la cloison (3) séparatrice et par d'autres éléments de paroi, pour un arbre passant à travers la cloison (3) séparatrice et un équipement d'entraínement, entièrement enfermé, pour la translation linéaire de l'arbre perpendiculairement à son axe longitudinal sont disposés d'un côté de la cloison (3) séparatrice, et un équipement de transmission, entraíné par l'arbre, pour un équipement de transport, presseur ou de coupe pour le produit à couper est disposé de l'autre côté de la cloison (3) séparatrice.
  8. Machine de coupe suivant la revendication 7, caractérisée en ce qu'un cylindre (4) d'entraínement pour une bande transporteuse de pression est monté en étanchéité à l'intérieur de l'ouverture de fond du pot (28) de passage par une partie (31) terminale de sa surface latérale extérieure.
EP02003391A 2001-03-24 2002-02-14 Arrangement de joint Expired - Lifetime EP1243338B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114589A DE10114589A1 (de) 2001-03-24 2001-03-24 Vorrichtung zur abgedichteten Durchführung einer drehbaren Welle und/oder eines axial verschiebbaren Stößels
DE10114589 2001-03-24

Publications (2)

Publication Number Publication Date
EP1243338A1 EP1243338A1 (fr) 2002-09-25
EP1243338B1 true EP1243338B1 (fr) 2003-09-03

Family

ID=7678930

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02003391A Expired - Lifetime EP1243338B1 (fr) 2001-03-24 2002-02-14 Arrangement de joint

Country Status (5)

Country Link
EP (1) EP1243338B1 (fr)
AT (1) ATE248657T1 (fr)
DE (2) DE10114589A1 (fr)
DK (1) DK1243338T3 (fr)
ES (1) ES2206427T3 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6935414U (de) * 1968-09-16 1971-09-23 Skf Svenska Kullagerfab Ab Dichtungsanordnung fuer ein axial geteiltes lagergehaeuse.
CA1307242C (fr) * 1986-12-18 1992-09-08 John R. Bradbury Appareil et methode de stockage/distribution de glace concassee
DE8809812U1 (de) * 1988-08-02 1988-09-22 A. Stephan u. Söhne GmbH & Co, 31789 Hameln Lebensmittelverarbeitungsmaschine
DE3831585A1 (de) * 1988-09-16 1990-03-22 Dueker Eisenwerk Kutter zum schneiden und mischen einer lebensmittelmasse, insbesondere fuer die wurstherstellung
US5328276A (en) * 1992-11-12 1994-07-12 Michel Linteau Bearing mounting for shafts
DE19506415C1 (de) * 1995-02-24 1996-08-08 Alexanderwerk Ag Vorrichtung zum Verarbeiten von Nahrungsmitteln
IT236932Y1 (it) * 1995-06-02 2000-08-31 Manes Macchine Srl Blocco di tenuta per macchine di processo
US5993069A (en) * 1998-04-15 1999-11-30 Urschel Laboratories Incorporated Low friction shielded bearing assembly
DE19844436C2 (de) * 1998-09-28 2003-09-11 Weber Maschb Gmbh & Co Kg Verfahren und Vorrichtung zum Schneiden von Lebensmittelprodukten

Also Published As

Publication number Publication date
DE10114589A1 (de) 2002-10-10
DE50200038D1 (de) 2003-10-09
EP1243338A1 (fr) 2002-09-25
DK1243338T3 (da) 2004-01-19
ES2206427T3 (es) 2004-05-16
ATE248657T1 (de) 2003-09-15

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