EP0356914B1 - Vorrichtung zum Befestigen eines strangförmigen Drainageelementes in einer Presse - Google Patents

Vorrichtung zum Befestigen eines strangförmigen Drainageelementes in einer Presse Download PDF

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Publication number
EP0356914B1
EP0356914B1 EP89115628A EP89115628A EP0356914B1 EP 0356914 B1 EP0356914 B1 EP 0356914B1 EP 89115628 A EP89115628 A EP 89115628A EP 89115628 A EP89115628 A EP 89115628A EP 0356914 B1 EP0356914 B1 EP 0356914B1
Authority
EP
European Patent Office
Prior art keywords
pressure plate
drainage element
turn
lock housing
lock
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
EP89115628A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0356914A2 (de
EP0356914A3 (de
Inventor
Eugen Widmer
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.)
Bucher Guyer AG
Original Assignee
Bucher Guyer AG
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 Bucher Guyer AG filed Critical Bucher Guyer AG
Priority to AT89115628T priority Critical patent/ATE93448T1/de
Publication of EP0356914A2 publication Critical patent/EP0356914A2/de
Publication of EP0356914A3 publication Critical patent/EP0356914A3/de
Application granted granted Critical
Publication of EP0356914B1 publication Critical patent/EP0356914B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/26—Permeable casings or strainers
    • B30B9/262—Permeable casings or strainers means disposed in the casing facilitating the squeezing-out of liquid

Definitions

  • the invention relates to a device for fastening a strand-shaped drainage element in a press for separating liquid from solid material to be pressed, with a pressure plate arranged between a press space and a liquid collection space, to which the drainage element is fastened by means of a screw cap, the drainage element passing through the pressure plate lockable closure part.
  • the fruit press consists of a press container that is driven to rotate about a horizontal axis.
  • the material to be pressed which is pressed out by the axial stroke of the pressure plate, is located in the press container between a displaceable pressure plate and a counter pressure plate.
  • the liquid obtained is introduced into liquid collecting spaces via hose-like, flexible drainage elements which are arranged between the pressure plate and the counter-pressure plate.
  • the end of the drainage elements are detachably attached to the pressure plate and to the counter pressure plate.
  • the ends of the drainage elements are passed through openings in the pressure plate and counter-pressure plate and open into the respective liquid collecting space, which adjoins the pressure plate and the counter-pressure plate.
  • Each drainage element consists of a rod-shaped, flexible core made of rubber or another flexible material, the core being provided on its circumference with groove-shaped channels which extend in its axial direction and through which the juice obtained is drained off.
  • the core of the drainage element is for filtering the liquid enclosed in a liquid-permeable envelope. With the help of a fastening device, the core is anchored to the pressure plates together with the surrounding stocking-like sheath, so that the drainage elements in the mutually retracted position of the pressure plates extend with slight tension in the axial direction of the press container, while in the reciprocal position caused by the pressing process The pressure plates lie loosely in the mash.
  • each drainage element is fastened to the pressure plate with the aid of a twist lock.
  • a closure sleeve is placed on the free end of the drainage element, which is firmly connected to the flexible core and the filter sleeve that surrounds the core.
  • the sealing sleeve has a collar and an adjoining external thread, with which it can be screwed into a threaded hole in the pressure plate until the sealing sleeve collar comes into contact with the inside of the pressure plate and a firm, detachable connection between the drainage element and the pressure plate is made.
  • the closure sleeve thus forms the movable part of the rotary closure with which the drainage element is fastened to the pressure plate.
  • one end of the drainage element with the closure sleeve is first screwed into one of the two opposing pressure plates and then the second end is screwed into the other pressure plate. So that the pressure plates are supported against the high axial forces that occur during pressing, the ends of the drainage elements are up to the respective liquid collection space limiting front wall of the container, on which they come to rest with their end faces.
  • the disadvantage of this known embodiment is that when the second end of the drainage element is screwed into the pressure plate, the flexible core of the drainage element is rotated about its longitudinal axis. To prevent this, the drainage element must be turned back a few turns before being screwed into the pressure plate.
  • the time and effort required to install and remove the drainage elements is very high given the number of approx. 200 drainage elements or 400 fastenings per press used.
  • very high forces are introduced into the twist lock fastening as a result of the stress on the pressure plates which arise during the pressing process and which are supported on the end walls of the press container via the ends of the drainage elements. Due to the resulting tension and deformation, the twist lock can often no longer be released or only with great effort.
  • Another device known from DE-OS 31'32'466 for fastening the drainage element to the pressure plate is designed as a quick-release fastener and also consists of a closure sleeve which is firmly connected to the free end of the drainage element and is inserted and locked in the passage opening of the pressure plate .
  • the closure sleeve has two shoulders on its periphery which, after being inserted into corresponding recesses in the passage opening and rotated by 90, engage behind the pressure plate, so that the closure sleeve is axially locked to the pressure plate.
  • the collar of the locking sleeve on the press chamber side has a spring-loaded bolt which can be locked in and out of a bore in the pressure plate.
  • the sealing sleeve is connected to the free via a support cone End of the drainage element firmly connected.
  • the support cone is guided through the liquid collecting space and rests with its end face against the end wall delimiting the liquid collecting space.
  • the closure sleeve forms the movable part of the twist lock to which the pressing forces are transmitted. The consequence of this are tensions within the screw cap, which impair the function and make it difficult to replace the drainage elements quickly.
  • the invention has for its object to avoid the disadvantages mentioned and to provide a device of the type mentioned, which ensures a safe function of the twist lock with simultaneous support of the pressing forces acting on the pressure plate.
  • this object is achieved in that a closure housing which forms a twist lock with the closure part is fastened in the pressure plate and rests with its end which projects into the liquid collecting space against the wall delimiting it.
  • the twist lock is designed as a bayonet lock.
  • a particularly advantageous construction of the bayonet closure consists of a closure part which is firmly connected to the end of the drainage element and which, after insertion into the closure housing and twisting by 90 with two shoulders offset by 180 to each other, engages behind a projection arranged on the inner wall of the closure housing and the drainage element with the Lock housing or the pressure plate axially locked.
  • the locking part with the locking housing can be locked against rotation when the twist lock is axially locked.
  • An automatically acting, easily releasable radial locking of the locking part with the locking housing is achieved in that the end of the locking housing on the press chamber side has an annular groove on the outer circumference of a collar, into which a locking ring is inserted, which has a locking lug through the end bent in the radial direction of the locking ring is formed, a radial bore passes through the collar of the closure housing and, in the axially locked state of the rotary closure, engages releasably in a catch arranged on the outer circumference of the closure part and formed by a radial bore in the shaft.
  • the locking end of the locking ring is bent into an eyelet.
  • a play-free, detachable connection between the closure housing and the pressure plate is achieved in that the closure housing is screwed firmly into a threaded hole in the pressure plate and its front-side collar lies against the wall of the pressure plate on the press chamber side.
  • the advantages achieved by the invention are, in particular, that the pressing forces acting on the pressure plate are free of forces which act from the outside and impair the function of the screw closure via the fixed part of the screw cap which is firmly connected to the pressure plate.
  • the inventive design of the twist lock allows the installation and removal of the drainage elements to be carried out quickly and effortlessly Carry out without the use of special tools.
  • a press piston 3 is mounted in the press container 1 and is axially displaceable by a piston-cylinder unit 4.
  • a pressure plate 5 is fastened to the end face of the press piston 3 and cooperates with a pressure plate 6, which is arranged at the other end of the press container 1 and receives the counterpressure.
  • a large number of flexible drainage elements extend in the longitudinal direction in the pressing space 7 lying between the pressure plates 5 and 6 8, the free end of which is releasably attached to the pressure plates 5 and 6, respectively.
  • the drainage elements 8 serve to drain off the liquid which is excreted during the pressing process. For example, about 220 drainage elements are provided in a press intended for a filling quantity of 5000 kg mash.
  • Each drainage element 8 has a round rod-shaped core 9 made of rubber or another flexible material, which is surrounded by a liquid-permeable sheath 10 (FIG. 2).
  • the sleeve 10 enclosing the core 9 in a stocking-like manner preferably consists of textile material and acts as a filter for the liquid to be drained off.
  • the core 9 is provided on its surface with groove-shaped channels 11 running in the axial direction, along which the liquid passing through the casing 10 during the pressing process is drained off.
  • the ends of the core 9 are passed through the respective pressure plate 6 or 5 at their fastening point and extend into liquid collecting spaces 12 and 13 which adjoin the pressure plates 6 and 5.
  • the liquid collection chamber 12 is delimited in the axial direction by an end wall 14 of the press container 1 and the liquid collection chamber 13 by an end wall 15 of the press piston 3.
  • each drainage element 8 is detachably fastened at the end to the pressure plates 5 and 6 with a twist lock 16.
  • a closure housing 18 is firmly screwed into a threaded bore 17 of the pressure plate 6 or 5.
  • the closure housing 18, which has a collar 19 on the side of the pressure plate 6 or 5 facing the press chamber 7, extends through the respective liquid collection space 12 or 13 to the inside of the end wall 14 or 15.
  • the cylindrical interior of the closure housing 18 is used for releasable inclusion of a closure part 20, which is firmly connected to the respective end of the drainage element 8.
  • the closure part 20 has a central through opening 21 which widens in the direction of the liquid collecting space 12 or 13.
  • a corresponding counter-cone is formed at the end of the drainage element 8 by a sleeve 23 which is lifted above the free end 22 of the flexible core 9 under the liquid-permeable sheath 10.
  • the sleeve 10 is thereby firmly clamped in the through opening 21 between the closure part 20 and the sleeve 23, which consists of a flexible material such as rubber.
  • the sleeve 23 is followed by a support cone 24, which is also adapted to the consistent through opening 21 and does not extend all the way to the end of the flexible core 9 and is firmly connected to it by a cross pin 25.
  • the liquid emerging from the channels 11 at the end of the supporting cone 24 can flow out into the liquid collecting space 12 or 13 through a plurality of bores 26 arranged in the closure housing 18.
  • the closure part 20 has on its periphery two radial shoulders 27 offset by 180 from one another, which in the locked state engage behind two corresponding projections 28 arranged on the inner wall of the closure housing 18.
  • the shoulders 27 are created by two lateral, parallel flats 29 of the closure part 20 (FIG. 3). With the flats 29, the radial distance between them is somewhat smaller
  • the closure part 20 can be inserted in the unlocked rotational position in the closure housing 18 until a collar 30 of the closure part 20 comes to rest on the collar 19 of the closure housing 18. In this position, the shoulders 27 of the closure part 20 are pushed so far into the closure housing 18 that after rotation of the closure part 20 by 90 they lie behind the projections 28 of the closure housing 18 and lock them with the closure part 20 in the axial direction of movement.
  • the closure housing 18 has a latching lug 31 which, in the locked rotational position, releasably latches into a latch 32 of the closure part 20.
  • the latching lug 31 is formed by the free end of a locking ring 33 which is inserted into an annular groove 34 arranged on the circumference of the collar 19 of the closure housing 18 (FIG. 5).
  • the end of the locking ring 33 which forms the latching lug 31 and which is preferably made of spring steel is bent at right angles and penetrates a radial bore 35 of the collar 19.
  • the bore 35 is arranged in the circumferential region of one of the two projections 28 attached to the inner wall of the closure housing 18.
  • the locking lug 31 which extends somewhat beyond the inner wall of the locking housing 18, lies in the region of the flattened area 29 of the locking part 20 when the locking part 20 is inserted into the locking housing 18, so that the insertion of the locking part 20 is not hindered by the protruding locking lug 31.
  • the latching lug 31 of the closure housing 18 automatically engages in the latch 32 of the closure part 20.
  • the securing ring 33 is bent into an eyelet 36 in the region of the locking lug 31, so that it can be raised 33 at this point with the fingers or a screwdriver and thereby the latch 31 can be removed from the latch 32.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Press Drives And Press Lines (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Clamps And Clips (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • External Artificial Organs (AREA)
  • Massaging Devices (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Ropes Or Cables (AREA)
  • Drying Of Solid Materials (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Paper (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Filtration Of Liquid (AREA)
EP89115628A 1988-08-30 1989-08-24 Vorrichtung zum Befestigen eines strangförmigen Drainageelementes in einer Presse Expired - Lifetime EP0356914B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89115628T ATE93448T1 (de) 1988-08-30 1989-08-24 Vorrichtung zum befestigen eines strangfoermigen drainageelementes in einer presse.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3221/88A CH676692A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-08-30 1988-08-30
CH3221/88 1988-08-30

Publications (3)

Publication Number Publication Date
EP0356914A2 EP0356914A2 (de) 1990-03-07
EP0356914A3 EP0356914A3 (de) 1991-04-10
EP0356914B1 true EP0356914B1 (de) 1993-08-25

Family

ID=4251259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115628A Expired - Lifetime EP0356914B1 (de) 1988-08-30 1989-08-24 Vorrichtung zum Befestigen eines strangförmigen Drainageelementes in einer Presse

Country Status (13)

Country Link
EP (1) EP0356914B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE93448T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH676692A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CS (1) CS276760B6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE58905373D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GE (1) GEP20002005B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LT (1) LT3782B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LV (1) LV11134B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MD (1) MD309C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PL (1) PL161210B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
RU (1) RU1836232C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
UA (1) UA11084A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
YU (1) YU47676B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH680382A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-08-24 1992-08-14 Bucher Guyer Ag Masch
CH687686A5 (de) * 1993-12-23 1997-01-31 Bucher Guyer Ag Masch Drainageelement fuer Pressen zum Ausscheiden von Fluessigkeiten aus festen Stoffen.
CH688995A5 (de) * 1994-01-13 1998-07-15 Bucher Guyer Ag Masch Drainageelement einer Presse zum Ausscheiden von Fluessigkeiten aus festen Stoffen.
CH689382A5 (de) * 1994-05-19 1999-03-31 Bucher Guyer Ag Masch Filterhuelle fuer ein Drainageelement fuer Pressen zum Ausscheiden von Flüssigkeiten aus festen Stoffen.
CH688121A5 (de) * 1994-06-01 1997-05-30 Bucher Guyer Ag Masch Drainageelement fuer Pressen zum Ausscheiden von Fluessigkeiten aus festen Stoffen.
CH688710A5 (de) * 1995-01-16 1998-01-30 Bucher Guyer Ag Masch Filterhülle für ein Drainageelement für Pressen zum Ausscheiden von Flüssigkeiten aus festen Stoffen.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH413599A (de) * 1962-09-21 1966-05-15 Bucher Guyer Ag Masch Presse für die Saftgewinnung aus Obst, Trauben und dergleichen Pressgut
DE2418341A1 (de) * 1974-04-16 1975-11-06 Bucher Guyer Ag Masch Drainagesystem fuer pressen fuer die saftgewinnung aus obst, trauben und dergleichen pressgut
DE3132466A1 (de) * 1981-08-17 1983-02-24 Bucher-Guyer AG Maschinenfabrik, 8166 Niederweningen, Zürich Befestigungsvorrichtung fuer ein drainageelement in einer presse

Also Published As

Publication number Publication date
LV11134A (lv) 1996-04-20
UA11084A1 (uk) 1996-12-25
PL161210B1 (pl) 1993-06-30
DE58905373D1 (de) 1993-09-30
YU164889A (en) 1991-06-30
MD309C2 (ro) 1996-02-29
YU47676B (sh) 1996-01-08
EP0356914A2 (de) 1990-03-07
LV11134B (en) 1996-06-20
MD309B1 (ro) 1995-10-31
CH676692A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-02-28
CS488689A3 (en) 1992-02-19
EP0356914A3 (de) 1991-04-10
LTIP1831A (en) 1995-08-25
GEP20002005B (en) 2000-04-10
CS276760B6 (en) 1992-08-12
LT3782B (en) 1996-03-25
ATE93448T1 (de) 1993-09-15
RU1836232C (ru) 1993-08-23

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