EP0301183A2 - Centrifugeuse pour déshuiler et/ou sécher - Google Patents

Centrifugeuse pour déshuiler et/ou sécher Download PDF

Info

Publication number
EP0301183A2
EP0301183A2 EP88107298A EP88107298A EP0301183A2 EP 0301183 A2 EP0301183 A2 EP 0301183A2 EP 88107298 A EP88107298 A EP 88107298A EP 88107298 A EP88107298 A EP 88107298A EP 0301183 A2 EP0301183 A2 EP 0301183A2
Authority
EP
European Patent Office
Prior art keywords
cover
guide
drum
hinged
coupling
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
EP88107298A
Other languages
German (de)
English (en)
Other versions
EP0301183A3 (en
EP0301183B1 (fr
Inventor
Horst Oppermann
Franz Gänshirt
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.)
CARL PADBERG ZENTRIFUGENBAU GmbH
Original Assignee
CARL PADBERG ZENTRIFUGENBAU 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 CARL PADBERG ZENTRIFUGENBAU GmbH filed Critical CARL PADBERG ZENTRIFUGENBAU GmbH
Priority to AT88107298T priority Critical patent/ATE68110T1/de
Publication of EP0301183A2 publication Critical patent/EP0301183A2/fr
Publication of EP0301183A3 publication Critical patent/EP0301183A3/de
Application granted granted Critical
Publication of EP0301183B1 publication Critical patent/EP0301183B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/08—Drying solid materials or objects by processes not involving the application of heat by centrifugal treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids

Definitions

  • the invention relates to a centrifuge for de-oiling and / or drying small parts, with a rotating drum and brackets arranged inside for the use of rectangular or square boxes with perforated walls, and with one at the axial insertion and removal opening of the drum rotating hinged lid that can be locked in the closed position, the centrifuge housing adjacent to the insert opening of the drum having a non-rotating housing lid that can be opened and closed.
  • the drum In the centrifuge known to date, the drum is loaded with these boxes by hand. In a simple manner, the housing cover is first opened and then the hinged cover located on the drum is unlocked and opened in order to insert a box or refer to. After inserting the box, the lid is closed and locked again by hand.
  • the loading of such a centrifuge is therefore relatively labor intensive.
  • the invention has for its object to provide a centrifuge of the type mentioned in which the advantages of a closure or hinged lid located directly on the drum are retained, but nevertheless an automated loading of the drum with the boxes and an automated removal of the boxes from the Drum is possible.
  • a remote-controlled unlocking device for the hinged cover of the drum is provided in the centrifuge housing, that the housing cover and the hinged cover have a coupling which is connected during the opening of the cover and can be released in the closed position, and that a clutch for this for the two Coupling piece of the hinged cover belonging to the cover can be displaced by the unlocking device into the region of a counter-coupling of the housing cover which also belongs to the coupling and can be uncoupled again when the hinged cover is locked.
  • a structurally particularly simple solution is obtained if the hinged or swivel axes of the housing cover and the hinged cover are parallel when the drum is at least at a standstill when the cover is actuated.
  • the mating coupling can have an undercut or the like running at right angles to the swivel axis of the housing cover, an undercut against the folding direction.
  • having guide and the coupling piece of the hinged or closing lid be a form-fitting sliding element or a role in this guide. Since the two pivot axes of the two lids must be arranged at a distance from one another, when the housing lid is opened, the sliding element or the roller is displaced within the guide, but at the same time the lid connected to it is also pivoted.
  • the unlocking device has a guide piece as a continuation of the guidance of the housing cover as an intermediate coupling for the coupling piece of the hinged cover when unlocking and locking, which guide piece can be displaced from the area of the coupling piece of the hinged cover when the hinged cover is locked.
  • the locking movement can be used to already receive the coupling piece of the hinged cover in the guide piece, which then forms the continuation of the guidance of the housing cover and thus ensures an uninterrupted guidance of the coupling piece of the hinged cover when opening.
  • a working cylinder can be provided as the unlocking device, the displaceable part of which can be moved in the direction of the guidance of the housing cover and at right angles to the pivot axes of the cover and carries an unlocking element and the continuation of the guidance.
  • the movement required to move the bolt can thus also be used as the first coupling movement.
  • the latch of the hinged cover which can preferably be displaced in the direction of orientation of the guide by the unlocking device, can be pressed by spring force into its closed position in a latch opening on the drum and can be fixed with one that carries the coupling piece Be connected to the projection which can be moved against the locking direction for opening by the retractable unlocking device after gripping the coupling piece.
  • the guide piece serving as a continuation of the guide can thus grip the coupling piece of the hinged cover as part of the unlocking device and then, during the further retraction movement, withdraw the projection carrying this coupling piece and thus the latch from the latch opening. If the housing cover is then folded up, the now unlocked cover follows this movement, the relative movement between the coupling piece and the guide on the housing cover taking place due to the spacing of the pivot axes.
  • the guide piece of the unlocking device comes into alignment with the opening of the guide of the housing cover serving as counter-coupling by the unlocking movement.
  • the mating clutch or the roller belonging to it or the slide piece can enter the guide of the housing cover directly from the guide piece.
  • the cross section or guide and the guide piece located on the unlocking device are approximately Is C-shaped and the passage slot of this guide engages around the projection carrying the sliding element or the role of the coupling piece.
  • a further expedient embodiment of the invention can consist in the fact that the guide within the closure cover in its exit and entry area remote from the pivot axis is inclined towards the opening of the drum and its hinged cover and leads to the guide piece located closer to the drum.
  • the opening movement of the hinged cover is increased in the first moment of opening the housing cover and, conversely, an additional closing pressure is brought about in the last moment of closing.
  • the angle of inclination compared to the rest of the guide is of course very acute in order to maintain smooth transitions.
  • the actuating element for opening and closing the housing cover can also - like the unlocking device - be a working cylinder, preferably a pneumatic cylinder.
  • the pivot axis of the housing cover is expediently higher in the case of a vertically arranged drum and on a larger radius than that of the hinged cover and the hinged cover can be pivotable about its pivot axis or its pivot hinge by more than 90 °. If the housing cover is opened by approximately 90 °, the hinged cover can follow this relatively large opening angle, although its pivot axis lies on a smaller radius than that of the housing cover. In addition, this larger opening angle of the hinged lid has the advantage that the removal and insertion of the boxes is favored.
  • the automation of the loading and emptying of the centrifuge can be improved in that the drum has a positioning device with which it can be brought into a position in which it is at a standstill the swivel axes of the covers are parallel and the coupling piece and counter coupling are aligned.
  • This positioning device can have a motor brake of the drive motor of the drum, a control of the motor with reduced voltage or via a clock generator as well as a proximity switch and a locking pin for fixing in the exact position. This results in a quick and precise positioning without a locking pin or the like. A part of the circumferential forces must be absorbed during positioning and may be moved past its counter opening if the drum rotates too quickly.
  • the opening and closing of the lid and thus the loading and unloading can be automated without the need for complex feeding and removal of a lid and external devices.
  • the gripper can be designed to be correspondingly simple for removing and inserting the boxes.
  • the interior of the drum can be made accessible more quickly because already when the housing cover is opened, the hinged cover of the drum is opened and vice versa, so that it is closed again, i.e. not just opening the housing cover, then unlocking the cover and finally removing it before the box inside the drum is accessible.
  • a generally designated 1 centrifuge is used for oiling and / or drying small parts, has a rotating drum 2 and a housing 4 containing this drum 2 and the drive motor 3.
  • a rotating drum 2 and a housing 4 containing this drum 2 and the drive motor 3.
  • brackets 2a inside the drum intended for the use of rectangular or square boxes 5 with perforated walls.
  • a pivoting hinged lid 7, which can be locked in the closed position, is fastened by means of a pivot axis 8.
  • the centrifuge housing 4 has this insert opening 6 of the drum 2 adjacent to a non-rotating housing cover 10 which can be folded about a pivot axis 9 for opening and closing.
  • a remote-controlled unlocking device for the hinged cover 7 of the drum 2, designated as a whole, is provided in the centrifuge housing 4. Furthermore, the housing cover 10 and the hinged cover 7 have a coupling which is connected in the closed position during the opening of the cover 7 and 10 and can be released in the following, to be described in more detail below, and is shown particularly clearly in FIG. 3, with a coupling for this for the two covers 7 and 10 belonging coupling piece 12 of the hinged cover 7 can be displaced by the unlocking device 11 into the area of a mating coupling of the housing cover 10 also belonging to the coupling and can be uncoupled again when the hinged cover 7 is locked. It is thereby achieved that when the housing cover 10 is pivoted from the closed position shown in FIG. 1 with solid lines into the open position shown with dash-dotted lines, the hinged cover 7 is also automatically opened.
  • Fig. 1 It can be seen in Fig. 1 that the folding and pivoting axes 8 and 9 of the hinged cover 7 and the housing cover 10 are parallel when the drum 2 is at least at a standstill when the covers 7 and 10 are actuated.
  • the counter-coupling is a guide 14 for the coupling piece 12 of the hinged or closing cover 7, which runs at right angles to the pivot axis 9 of the housing cover 10 and has an undercut 13 counter to the folding direction, and this coupling piece 12 is a form-fitting sliding element or fitting in this guide 14 a double roll 15 having.
  • This interaction of the coupling piece 12 with the guide 14 serving as a counter-coupling can be seen particularly clearly in FIG. 3, especially if it is considered together with FIGS. 2 and 1.
  • the unlocking device 11 for the hinged cover 7 and for actuating a bolt 16 associated therewith is fastened to the underside of the housing cover 10 facing the hinged cover so that it can be pivoted with it.
  • This unlocking device 11 has a guide piece 17 as a continuation of the guide 14 of the housing cover 10 as an intermediate coupling for the coupling piece 12 of the hinged cover 7 when unlocking and locking, which guide piece 17 according to FIG. 2 with the hinged cover 7 locked from the area of the coupling piece 12 of the hinged cover 7 is moved.
  • An unlocking device 11 is a working cylinder, the displaceable part of which, in the exemplary embodiment the piston rod 18, can be moved in the direction of the guide 14 of the housing cover 10 and at right angles to the pivot axes 8 and 9 of the cover, and an unlocking element 19 and the guide piece which continues the guide 14 17 carries on a lever arm 20, which lever arm 20 bridges the distance between the piston rod 18 and the coupling piece 12.
  • the bolt 16, which can be displaced in the direction of orientation of the guide 14 by the unlocking device 11, can be pressed and engaged, for example, by the force of a spring located in the bolt housing 16a into its closed position in a bolt opening 21 on the drum 2 and in the exemplary embodiment is fixed to the coupling piece 12 associated projection 22 connected to the opening of the retractable unlocking device 11 after gripping the Coupling piece 12 or the rollers 15 can be moved against the locking direction with the aid of the continuation 17.
  • the guide piece 17 of the unlocking device 11 is by the unlocking movement from the position shown in solid lines in Fig. 2 in the position indicated by dashed lines and thereby with its mouth or opening 23 in register with the inlet opening 24 of the guide 14 serving as a counter-coupling Housing cover 10 can be brought. Since even in this position there is still a certain distance between the extension 17 and the guide 14, this has on its underside a transition 25 bridging this distance, on which the rollers 15 safely reach the guide 14 from the extension 17.
  • the cross section of the guide 14 and of the guide piece 17 carried by the unlocking device 11 is approximately C-shaped and the passage slot 26 of the guide 14 encompasses the projection 22 carrying the rollers 15 of the coupling piece 12.
  • Fig. 1 and especially Fig. 2 can also be seen that the guide 14 within the closure lid 10 in its pivot axis 9 distant exit and entry area against the opening of the drum 2 and its hinged lid 7 is inclined at an acute angle and thus leads to the guide piece 17 located closer to the drum 2.
  • the hinged cover 7 becomes disproportionately shortly before it reaches its final closed position pivoted and pressed into its seat so that the bolt 16 can enter the bolt opening 21 well.
  • the actuating element for opening and closing the housing cover 10 is also a working cylinder, preferably a pneumatic cylinder 27.
  • the pivot axis 9 of the housing cover 10 is higher and on a larger radius than that of the hinged cover 7. So that the housing cover can still be pivoted into the position shown in broken lines by approximately 90 °, the hinged cover 7 is about its pivot axis 8 or its pivot hinge by more than 90 ° can be swung open. Thus, this opening movement automatically pivots itself out of the region of the drum opening 6 so that it does not hinder the automatic insertion and removal of the boxes 5.
  • the drum 2 has a positioning device with which it can be brought into a position at a standstill, in which the pivot axes 8 and 9 of the covers 7 and 10 are parallel and the coupling piece and counter-coupling are in alignment with one another, that is to say can be easily engaged with one another.
  • This positioning device includes a motor brake, not shown, of the drive motor 3 of the drum 2, a control of this motor 3, likewise not shown, with reduced voltage or via a clock, as well as a proximity switch and a locking bolt 28 for determining the exact position when this is reached .
  • the guide piece 17 has a relatively large safety distance from the coupling piece 12 of the cover 7 when the covers 7 and 10 are closed, so that the drum and its motor are elastic can be stored and swing out without causing undesirable contact with these parts during operation.
  • the lid 10 and 7 are closed in the reverse order.
  • the lid 7 and 10 can be opened and closed automatically without but the cover 7 of the centrifuge 2 must be removed from the housing 4 and reinserted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Centrifugal Separators (AREA)
EP88107298A 1987-07-27 1988-05-06 Centrifugeuse pour déshuiler et/ou sécher Expired - Lifetime EP0301183B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107298T ATE68110T1 (de) 1987-07-27 1988-05-06 Zentrifuge zum entoelen und/oder trocknen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3724792 1987-07-27
DE3724792A DE3724792C1 (de) 1987-07-27 1987-07-27 Zentrifuge zum Entoelen und/oder Trocknen

Publications (3)

Publication Number Publication Date
EP0301183A2 true EP0301183A2 (fr) 1989-02-01
EP0301183A3 EP0301183A3 (en) 1989-10-18
EP0301183B1 EP0301183B1 (fr) 1991-10-09

Family

ID=6332422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107298A Expired - Lifetime EP0301183B1 (fr) 1987-07-27 1988-05-06 Centrifugeuse pour déshuiler et/ou sécher

Country Status (3)

Country Link
EP (1) EP0301183B1 (fr)
AT (1) ATE68110T1 (fr)
DE (2) DE3724792C1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034382A1 (fr) * 1994-06-15 1995-12-21 Massachusetts Institute Of Technology Ensemble formant element de recouvrement de rotor de centrifuge a verrouillage
EP0796652A1 (fr) * 1996-03-23 1997-09-24 Collomix Rühr-und Mischgeräte GmbH Mélangeur biaxial
WO2001036104A1 (fr) * 1999-11-18 2001-05-25 Genevac Limited Ameliorations apportees a un appareil d'evaporation
EP1225407A1 (fr) * 2001-01-15 2002-07-24 Sanovo Engineering A/S Centrifugeuse pour drainer des plateaux lavés à oeufs
US6591514B2 (en) 2001-01-15 2003-07-15 Sanovo Engineering A/S Centrifuge for draining washed egg trays
CN114453148A (zh) * 2021-05-26 2022-05-10 苏州市公安局 顶盖开合装置及基于顶盖开合装置的控制方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014008256B4 (de) * 2014-06-06 2018-10-25 Thermo Electron Led Gmbh Zentrifuge mit automatisch öffnendem Rotordeckel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT207765B (de) * 1957-06-15 1960-02-25 Krantz H Fa Zentrifuge
DE1152965B (de) * 1959-04-27 1963-08-14 Poensgen G M B H Maschinenfabr Waeschezentrifuge mit einem das Zentrifugen-gehaeuse abschliessenden Aussendeckel und einem mit diesem gemeinsam abhebbaren, die Schleudertrommel abschliessenden Innendeckel
FR1295675A (fr) * 1961-07-12 1962-06-08 Dispositif pour la commande automatique du couvercle amovible d'un panier rotatif
DD212437B1 (de) * 1982-12-20 1986-12-24 Chemieanlagenbau Stassfurt Mas Zentrale deckellagerung fuer zentrifugen
DE8430403U1 (de) * 1984-10-16 1985-04-25 Gebr. Steimel, 5202 Hennef Zentrifugiervorrichtung

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034382A1 (fr) * 1994-06-15 1995-12-21 Massachusetts Institute Of Technology Ensemble formant element de recouvrement de rotor de centrifuge a verrouillage
US6056684A (en) * 1994-06-15 2000-05-02 Massachusetts Institute Of Technology Locking centrifuge rotor cover assembly
EP0796652A1 (fr) * 1996-03-23 1997-09-24 Collomix Rühr-und Mischgeräte GmbH Mélangeur biaxial
WO2001036104A1 (fr) * 1999-11-18 2001-05-25 Genevac Limited Ameliorations apportees a un appareil d'evaporation
EP1225407A1 (fr) * 2001-01-15 2002-07-24 Sanovo Engineering A/S Centrifugeuse pour drainer des plateaux lavés à oeufs
US6591514B2 (en) 2001-01-15 2003-07-15 Sanovo Engineering A/S Centrifuge for draining washed egg trays
CN114453148A (zh) * 2021-05-26 2022-05-10 苏州市公安局 顶盖开合装置及基于顶盖开合装置的控制方法
CN114453148B (zh) * 2021-05-26 2024-05-10 苏州市公安局 顶盖开合装置及基于顶盖开合装置的控制方法

Also Published As

Publication number Publication date
DE3724792C1 (de) 1988-08-11
DE3865387D1 (de) 1991-11-14
EP0301183A3 (en) 1989-10-18
ATE68110T1 (de) 1991-10-15
EP0301183B1 (fr) 1991-10-09

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