EP0178559B1 - dispositif de centrifugation - Google Patents

dispositif de centrifugation Download PDF

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Publication number
EP0178559B1
EP0178559B1 EP85112648A EP85112648A EP0178559B1 EP 0178559 B1 EP0178559 B1 EP 0178559B1 EP 85112648 A EP85112648 A EP 85112648A EP 85112648 A EP85112648 A EP 85112648A EP 0178559 B1 EP0178559 B1 EP 0178559B1
Authority
EP
European Patent Office
Prior art keywords
centrifuge
gripping
locking
drum
box cover
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
EP85112648A
Other languages
German (de)
English (en)
Other versions
EP0178559A2 (fr
EP0178559A3 (en
Inventor
Henry Oehler
Norbert Peth
Hans Werner Holpp
Wolfgang Sass
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.)
GEBR. STEIMEL GMBH & CO., MASCHINENFABRIK
Original Assignee
Gebr Steimel & Co Maschinenfabrik 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
Application filed by Gebr Steimel & Co Maschinenfabrik GmbH filed Critical Gebr Steimel & Co Maschinenfabrik GmbH
Publication of EP0178559A2 publication Critical patent/EP0178559A2/fr
Publication of EP0178559A3 publication Critical patent/EP0178559A3/de
Application granted granted Critical
Publication of EP0178559B1 publication Critical patent/EP0178559B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/04—Periodical feeding or discharging; Control arrangements therefor

Definitions

  • the invention relates to a centrifuging device with at least one automatically loadable and emptying centrifuge, a movable, lifting and lowering gripping device arranged above the centrifuge for gripping, lifting, transporting and depositing containers which can be used in a receiving frame of a centrifuge drum of the centrifuge, which in the Area of its upper edge can be grasped by the gripping device, and with a device holding the centrifuge drum after braking in a defined position.
  • a centrifuging device of this type is known from JP-A-5 992 050.
  • a plurality of containers can be used parallel to one another in receiving devices of a rotor.
  • the containers are formed by racks that hold several bottles or test tubes in which the samples to be examined are filled.
  • the rotor is stopped in defined positions.
  • a detector is provided which controls the drive of the rotor via a microcomputer in such a way that the rotor is stopped in certain positions so that the frame filled with bottles or the like can be inserted or removed by a gripping, lifting and transport device .
  • This centrifuging device is unsuitable for handling industrial piece goods.
  • centrifuge drum serves as a container for the industrial general cargo.
  • This has the disadvantage that several centrifuge drums have to be available for a centrifuge and that the material to be treated has to be filled into a centrifuge drum which has to be emptied by means of a drum tilting device after centrifuging.
  • shock-sensitive piece goods for example threaded parts
  • the double refilling process is annoying because of the time required or because of the possible damage to the piece goods.
  • the gripping device must also be designed so that it can lift, transport and lower large weights.
  • Centrifuges are also known in which the industrial general cargo that is stored in boxes, e.g. via roller conveyors, is inserted together with the boxes into the centrifuge drum by hand. After centrifugation, the boxes with the centrifuged piece goods are removed from the centrifuge by hand.
  • a centrifuge in the centrifuge drum by means of a lifting beam a container with a round cross section can be inserted, the wall of which is perforated and which can be closed by means of a container lid and a locking device arranged thereon.
  • the locking device can be opened or closed by hand.
  • a lid holder is arranged on the walking beam, which holds the container lid when the locking device is open and releases the container lid by closing the locking device.
  • the invention is based on the object of designing a centrifuging device of the type described in the introduction in such a way that industrial bulk goods can be freed from adhering liquid, such as oil or water, while avoiding decanting processes. This object is solved by the features of claim 1.
  • the centrifuging device has the advantage that it can be carried in relatively light transport boxes, e.g. Industrial bulk goods supplied with the boxes can be inserted into a centrifuge via a roller conveyor or a conveyor belt and after centrifuging the boxes can be lifted out of the centrifuge and placed on a discharge device. There is no transfer of the goods to be treated.
  • At least two centrifuges are expediently assigned to a feeding device, a gripping device and a discharge device, so that the gripping device can grip a filled box in the feeding station and insert it into an empty centrifuge, while the other centrifuge centrifuges the box previously used.
  • the gripping device can set the box, which is rectangular in plan view, into the correspondingly rectangular receiving frame of the centrifuge drum, it is necessary that the centrifuge drum is held in a defined, predetermined position after it has been braked.
  • This predetermined position can be achieved in that the centrifuge drum is driven into the correct position after it has decelerated to a standstill, for example via a driven friction wheel which can be placed on the drum, in which a resilient catch springs in.
  • a drivable bolt is arranged under the bottom of the centrifuge drum, which can engage in one of two recesses which are arranged diametrically opposite one another in the drum base. After stopping the centrifuge drum to a standstill, the drum receives one or more small impulses from its drive motor, which are sufficient to rotate the centrifuge drum by approximately 180 °.
  • the bolt that rests against the drum base with spring force scans the drum base and, under the action of a spring, snaps into one of the two recesses as soon as the drum base has reached the correct position.
  • the gripping device located above the centrifuge can now be lowered, and the gripping levers provided with claws can grip under the edge beads of the box to be lifted and lift the box with the centrifuged material out of the centrifuge drum, transport it to a removal device and place it there.
  • a centrifugation system which is composed of two centrifuges 1, 1 ', a feed device 4, which feeds the industrial piece goods to be treated in rectangular boxes 3, a discharge device 5, with the help of which in the centrifuges 1,1 'centrifuged boxes 3 are transported away and a movable and lifting and lowering gripping device 8 which is carried by a carriage 7 which is movable on a track 6 arranged above the centrifuges 1,1'.
  • a lifting and lowering device 9 is arranged in the trolley 7 and has a lifting frame 11 rigidly connected to the trolley 7, in which a gripper frame 12 can be raised and lowered via rollers 10.
  • gripping levers 14 are pivotally mounted about pivot axes 13, the pivotable ends of which are provided with claws 15. As shown in FIG. 3, the gripping levers 14 can be spread with the help of the gripping cylinders 17 so that they grip with their gripping claws 15 over bead edges 16 which are arranged on the narrow sides of the boxes 3. The gripping levers 14 can be pivoted in such a way that the gripping claws 15 engage under the edge bead 16 of the box 3, so that it can be reliably lifted and transported.
  • the box lid 18 is provided on its top with four bolts 19, with the aid of which the box lid 18 can be locked with the box 3.
  • Each two bars 19 arranged on a narrow side are connected to one another via a bar bridge 20.
  • the latches 19 are guided in the latch guides 21 so as to be displaceable in the longitudinal direction.
  • a box lid 18 held in the gripping device 8 is placed on the box 3 and locked to the box 3 by moving the drivers 23 apart.
  • bends 26 are provided, which slide over the flat rails of the cover holders 25 when the drivers 23 push the bolts 19 into the open position.
  • the lid 18 is thus held in the gripping device 8 as soon as the locking device 19-22 is brought into the open position. However, as soon as the locking device 19-22 is in the locking position, the cover holders 25 are free.
  • the centrifuge drum 2 is fastened with its drum base 30 on a substantially vertical motor shaft 33.
  • the drive motor 34 is fastened to a motor mount 35, which has a pin 36 is held in an elastic bearing 37. Since the centrifuge drum 2 oscillates with its drive motor 34 in the elastic bearing 37, the guide of the catch bolt 41 is fastened to a bracket 38 which is rigidly connected to the motor mount 35.
  • the catch bolt 41 is provided with a tapered tip. A roller 42 is mounted in this tip, which rolls after the catch bolt has been delivered by means of the delivery cylinder 44 on the drum base 30 or on a race 43 arranged there.
  • the catch bolt 41 snaps into one of the two recesses 40 and thus holds the centrifuge drum 2 in the correct position, so that the box 3 is removed from the gripping device 8 without further notice can be taken.
  • the boxes 3 supplied by the feed device abut against a stop 39, which ensures that the supplied boxes stand in such a way that they can be easily gripped by the gripping device 8 and fed to one of the two centrifuges 1, 1 '.
  • the locking device 40 - 45 ensures that after centrifuging the centrifuge drum 2 or 2 'comes into an aligned gripping position.
  • Each supplied box 3, which is picked up by the gripping device, is closed and locked with a lid 18.
  • the gripping device 8 takes over its lid and holds it until a new box 3 fed by the feeding device 4 is to be provided with a lid and locked.
  • the recesses 40 in the drum base 30 are closed off by caps 44 towards the inside of the drum. The spun off liquid is collected by the tub 28 and discharged through the outlet 29.

Landscapes

  • Centrifugal Separators (AREA)

Claims (7)

  1. Dispositif de centrifugation doté d'au moins une centrifugeuse (1) à alimentation et évacuation automatiques, d'un dispositif préhenseur (8) mobile, agencé au-dessus de la centrifugeuse (1) et susceptible d'être levé ou abaissé, permettant de saisir, soulever, transporter et déposer des conteneurs rectangulaires (vus du dessus) insérables dans un cadre de logement d'un rotor, qui peuvent être saisis par le dispositif préhenseur (8) au niveau de leur bord supérieur, et doté enfin d'un dispositif maintenant le rotor dans une position définie après le freinage, caractérisé par les points suivants :
    a) le rotor est un panier de centrifugeuse (2,2') qui présente un cadre de logement rectangulaire (31), adapté aux conteneurs et dont les quatre coins sont équidistants de l'axe de la centrifugeuse ;
    b) les conteneurs sont des caisses de transport (3) ouvertes vers le haut, susceptibles d'être remplies de petites pièces métalliques ou de matière plastique, dont les parois présentent des ouvertures pour l'évacuation du fluide centrifugé ;
    c) les caisses de transport (3) se ferment au moyen d'un couvercle de caisse (18), doté d'un dispositif de verrouillage (19, 22),
    d) le dispositif préhenseur (8) des caisses de transport (3) est équipé d'un dispositif d'actionnement (23, 24) qui ouvre ou ferme le dispositif de verrouillage (19-22) du couvercle de caisse (18) ainsi que d'un dispositif de maintien de couvercle (25) maintenant un couvercle de caisse (18) après l'ouverture du dispositif de verrouillage (19-22) et libérant ledit couvercle de caisse (18) après la fermeture du dispositif de verrouillage (19-22).
  2. Dispositif selon la revendication 1, caractérisé par deux évidements (40) diamétralement opposés, ménagés vers la périphérie du fond de panier (30) ainsi que par un dispositif de fixation constitué de tiges d'arrêt (41) qui viennent se loger dans l'un des évidements (40).
  3. Dispositif doté d'un panier de centrifugeuse (2,2'), monté sur un arbre moteur généralement vertical (33) d'un moteur d'entraînement (34) fixé sur un support de moteur (35) à suspension élastique, selon la revendication 2, caractérisé en ce que les tiges d'arrêt (41) sont agencées sur une console (38) reliée de façon rigide au support de moteur (35) et peuvent se déplacer longitudinalement sur celle-ci.
  4. Dispositif selon la revendication 3, caractérisé en ce que, au sommet des tiges d'arrêt (41) se trouve un cylindre (42) qui roule contre le fond du panier (30) et vient se loger dans l'évidement (40).
  5. Dispositif selon la revendication 4, caractérisé en ce que, sous le fond du panier (30) se trouve une bague de roulement (43) présentant les évidements (40) pour le cylindre (42).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que quatre verrous (19) à déplacement longitudinal sont disposés sur le couvercle de caisse (18), en ce les verrous (19) de chaque paire sont reliés de façon rigide par un pont (20) et en ce qu'au milieu du pont (20) est fixée une barrette (22), qui interagit avec des entraîneurs (23) qui peuvent se déplacer en sens inverse sur la face inférieure du cadre préhenseur (12) et sont entraînés par un vérin (24).
  7. Dispositif selon la revendication 6, caractérisé en ce que, sur la face inférieure du dispositif préhenseur (8) sont agencés deux dispositifs de maintien de couvercle (25), présentant des rails plats qui viennent se plaquer contre le couvercle de caisse (18) et qui sont agencés de telle sorte que les verrous (19) se déplacent sur lesdits rails lors de l'ouverture.
EP85112648A 1984-10-16 1985-10-05 dispositif de centrifugation Expired - Lifetime EP0178559B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19848430403U DE8430403U1 (de) 1984-10-16 1984-10-16 Zentrifugiervorrichtung
DE8430403U 1984-10-16

Publications (3)

Publication Number Publication Date
EP0178559A2 EP0178559A2 (fr) 1986-04-23
EP0178559A3 EP0178559A3 (en) 1987-11-25
EP0178559B1 true EP0178559B1 (fr) 1991-09-04

Family

ID=6771760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85112648A Expired - Lifetime EP0178559B1 (fr) 1984-10-16 1985-10-05 dispositif de centrifugation

Country Status (3)

Country Link
US (1) US4693017A (fr)
EP (1) EP0178559B1 (fr)
DE (2) DE8430403U1 (fr)

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DE4131455A1 (de) * 1991-09-21 1993-03-25 Schlafhorst & Co W Kannenhandhabungsvorrichtung zum automatischen kannenwechsel
DE4202880C1 (en) * 1992-02-01 1993-06-09 Alois Mueller Centrifuge basket for fluid treatments - has cover for basket holder at a mounting within the container without cover locks or seals
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DE4303841C1 (de) * 1993-02-10 1994-02-03 Alois Mueller Behandlungsmaschine
US5382066A (en) * 1993-09-23 1995-01-17 The Atchison, Topeka & Santa Fe Railway Company Mechanism for lifting freight containers
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US5470189A (en) * 1994-04-19 1995-11-28 Mi-Jack Products, Inc. Side latch assembly for lifting trailers and containers
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US7020537B2 (en) 1999-04-13 2006-03-28 Semitool, Inc. Tuning electrodes used in a reactor for electrochemically processing a microelectronic workpiece
US7585398B2 (en) 1999-04-13 2009-09-08 Semitool, Inc. Chambers, systems, and methods for electrochemically processing microfeature workpieces
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US6754975B2 (en) * 2001-01-16 2004-06-29 Taiwan Semiconductor Manufacturing Co., Ltd Microelectronic substrate retainer apparatus providing reduced microelectronic substrate damage
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EP3019805A4 (fr) * 2013-07-10 2017-03-22 Troels Jakobsen Système de séchage de boîtes
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Also Published As

Publication number Publication date
US4693017A (en) 1987-09-15
EP0178559A2 (fr) 1986-04-23
DE3583984D1 (de) 1991-10-10
DE8430403U1 (de) 1985-04-25
EP0178559A3 (en) 1987-11-25

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