EP0396199A1 - Pelletpresse für Futtermittel und dergleichen - Google Patents

Pelletpresse für Futtermittel und dergleichen Download PDF

Info

Publication number
EP0396199A1
EP0396199A1 EP90201107A EP90201107A EP0396199A1 EP 0396199 A1 EP0396199 A1 EP 0396199A1 EP 90201107 A EP90201107 A EP 90201107A EP 90201107 A EP90201107 A EP 90201107A EP 0396199 A1 EP0396199 A1 EP 0396199A1
Authority
EP
European Patent Office
Prior art keywords
die
clamping
pulley
die holder
centering
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
EP90201107A
Other languages
English (en)
French (fr)
Other versions
EP0396199B1 (de
Inventor
Hendrikus Hubertus Vries
Henricus Theodorus Johannes Maria Heinemans
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.)
VAN AARSEN MACHINEFABRIEK BV
Original Assignee
VAN AARSEN MACHINEFABRIEK BV
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 VAN AARSEN MACHINEFABRIEK BV filed Critical VAN AARSEN MACHINEFABRIEK BV
Publication of EP0396199A1 publication Critical patent/EP0396199A1/de
Application granted granted Critical
Publication of EP0396199B1 publication Critical patent/EP0396199B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/20—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
    • B30B11/201—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring for extruding material
    • B30B11/202—Ring constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/20—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
    • B30B11/201—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring for extruding material
    • B30B11/208—Roller constructions; Mounting of the rollers

Definitions

  • the invention relates to a pelleter for feed and the like, comprising an annular extrusion die which is secured to a die holder by means of tie rods, said die holder being bearing-mounted on a stationary main shaft, a driving pulley being mounted on the die holder for rotating the extrusion die.
  • pelleter is known from applicant's European patent application 0,246,710.
  • pelleter it is difficult to draw the annular die to the die holder in a centred manner, because the free end of the tie rods is disposed in a space that does not allow easy access, being enclosed between a wall of the die holder and the driving pulley mounted on said die holder.
  • the die has,to be barred when the screwed rods are drawn, i.e.
  • the die has to be rotated through parts of a turn so as to allow the interspaced screwed rods along the circumference to be drawn one by one, and, moreover, in a non-sequential order. Disassembling the die is also difficult in that the die often becomes wedged within the conical edge of the die holder and consequently has to be pressed clear from the die holder by means of locking nuts.
  • the invention aims to overcome these drawbacks and, accordingly, to provide a pelleter allowing ready assembly and disassembly of the die and permitting controlled centering.
  • the pelleter according to the invention is characterized in that the extrusion die is firmly drawn onto the driving pulley, which forms one whole with the die holder.
  • the ends of the screwed rods, which do not allow easy access have been moved to the other side of the driving pulley, which does allow easy access, and, furthermore, the possibilty is created of elegantly solving the centering problems during assembly and the problems of wedging during disassembly.
  • three clamping/centering units are arranged along the circumference in regularly spaced interrelationship, the free end of a screwed rod projecting outside the corresponding clamping/centering unit and being securable to it by means of a securing nut.
  • the clamping/centering unit By loading the clamping/centering unit in the opposite direction, the die, when drawn against the die holder, can be pushed clear uniformly, thus ensuring that the die comes off the conical centering edge when disassembled.
  • the known pelleter shown in Fig. 1 comprises an annular die 1 mounted on a die holder 5 which is bearing-mounted on a stationary main shaft 2.
  • the main shaft 2 is supported by a machine frame 10.
  • Mounted on the die holder 5 is a driving pulley 9 adapted to be driven by an electric motor for rotating the annular die 1 about the stationary main shaft 2
  • Arranged within the die 1 are two press rollers 3 mounted on press roller shafts 8.
  • the press roller shafts 8 comprise eccentric bearing journals 4 which serve for adjusting the press rollers 3 in the direction of the die 1.
  • the shaft journals disposed on the left-hand side of Fig. 1 are mounted in a front plate 12, while the shaft journals 4 disposed on the right-hand side are mounted in recesses provided in the end plate of the stationary main shaft 2.
  • adjustment of the press rollers 3 is preferably effected through an adjusting apparatus as described in the co-pending European patent application based on Netherlands patent application No.8901130.
  • the die 1 comprises a conical edge which is drawn against the conical edge 6 of the die holder 5 by means of screwed tie rods 7. As shown in Fig. 1 the ends of the tie rods 7 are not readily accessible because they are disposed in a space bounded on opposite sides by the die holder 5 and the driving pulley 9, respectively.
  • the material to be processed in the pelleter is supplied in the direction of the arrow X to the interior of the rotating, annular die 1 driving the press rollers 3.
  • the press rollers 3 press the material through the channels provided in the annular die 1, after which the product leaves the pelleter in granular or pellet form in the direction designated by arrow Y
  • Fig. 2 shows the pelleter according to the invention, the driving pulley 9 and the die holder 5 being combined into a single member.
  • a recess 26 Provided in the driving pulley/die holder 9, 5 is a recess 26 extending in circumferential direction, in which three clamping/centering units 11 can be arranged in regularly interspaced relationship along the circumference for drawing the die 1 against the conical edge 6 of the combined driving pulley/die holder.
  • the construction of the clamping/centering unit 11 is shown in detail in Figs. 3-4.
  • Fig. 4 shows the pulley/die holder 9, 5 bearing-mounted on the stationary main shaft 2 of the pelleter.
  • the pulley/die holder has a conical centering edge 6 on its side proximal to the die 1, and the die 1 has a corresponding conical centering edge.
  • Provided in the die 1 are a plurality of journal holes 13 arranged in regularly interrelationship along the circumference for receiving the end 14 of a screwed rod 7.
  • the screwed rod 7 extends through an opening in the pulley/die holder 9, 5 and a clamping/centering unit 11, the end face 20 of the clamping/centering unit 11 forming a stop for the die 1 when the securing nut 23 is tightened.
  • the clamping/centering unit 11 comprises a hydraulic cylinder 12 which is mounted by means of bolts 15 on the bottom of the groove-shaped recess 26 provided in the pulley /die holder 9, 5.
  • the hydraulic cylinder 12 comprises an oil chamber 17 to which oil can be supplied under pressure via an oil duct 18.
  • a pressure sleeve 16 Arranged round the screwed rod 7 is a pressure sleeve 16, which can be slid relatively to the screwed rod 7.
  • the left-hand end 20 of the pressure sleeve 16 projects outside the end face of the pulley/die holder 9, 5 and forms a stop for the edge of the die 1.
  • the right-hand end of the pressure sleeve 16 projects from the end wall of the cylinder 12 and forms a stop for a nut 21 to be mounted to the screwed rod 7.
  • the pressure sleeve 16 has the form of a piston 25, which can be loaded in two directions.
  • a packet of Belleville washers 19 are arranged which load the piston 25 and hence the screwed rod 7 in one direction, the centering edge of the die 1 being drawn against the conical edge 6 of the pulley/die holder 9, 5.
  • the oil chamber 17 of the hydraulic cylinder 12 is bounded on the left side by the piston 25 of the pressure sleeve 16 and on the right side by the end face of the hydraulic cylinder 12.
  • oil seals necessary in various places and accordingly provided in practice, have been omitted from the drawings.
  • a pressure block 22 Provided between the securing nut 23 and the end face of the hydraulic cylinder 12 is a pressure block 22.
  • a total of three clamping/centering units 11 are provided along the circumference of the pulley/die holder 9, 5. Between each pair of clamping/centering units 11 one or two locking bolts 24 may further be provided for drawing the die 1 against the pulley/die holder 9.
  • a die 1 is mounted on a pulley/die holder 9 as follows:
  • each pressure sleeve 16 in Fig. 4 is pressed to the left, the spring packet 19 thus being compressed.
  • the end 20 of each pressure sleeve 16, which end forms a stop, is thus pressed further from the pulley/die holder 9 than shown in Fig. 4.
  • the hollow space within each pressure sleeve 16 is empty, i.e. the tie rods 7 have not yet been mounted in the pressure sleeves 16.
  • the die 1, comprising three tie rods 7 which are screwed into the tapped holes 13, is then moved against the projecting stops 20, the three tie rods 7 projecting through the corresponding pressure sleeves 16.
  • the centering edge of the die remains clear of the centering edge 6 of the pulley/die holder 9.
  • a nut 21 is tightened on the end of the tie rod 7 that projects outside the pressure sleeve 16.
  • the die 1 is disassembled in the following manner: - unscrew and remove the locking bolts 24 (Fig. 5), - remove the securing nuts 23 and the pressure blocks 22, - pressurize simultaneously the oil chambers 17 of the clamping/centering units 11, the centering edge of the die 1 thus being forced clear of the conical centering edge 6 of the pulley/die holder 9, - after unscrewing the nuts 21 remove the die with the tie rods 7 screwed into them horizontally using suitable hoisting apparatus.
  • the clamping/centering unit 11 shown in Fig. 3 is different from the one in Fig. 4 only in that the hydraulic control is absent.
  • the spring packet 19 is mounted on the other side of the piston 25 on.the pressure sleeve 16, and accordingly presses the pressure sleeve 16 to the left (Fig. 3), so that the end 20, forming a stop, extends outside the pulley/die holder 9 by the maximum distance. In this position the die 1 is drawn against the stops 20 by tightening the nuts 21, the conical edge of the die 1 still remaining clear of the conical edge 6 of the pulley/die holder 9.
  • the die is then drawn against the edge 6 by alternately and turn-by-turn tightening the nuts 23 of the clamping/centering units 11 distributed along the circumference.
  • the spring packets 19 cause the die 1 to be pressed clear.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
EP19900201107 1989-05-03 1990-05-02 Pelletpresse für Futtermittel und dergleichen Expired - Lifetime EP0396199B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8901131 1989-05-03
NL8901131A NL8901131A (nl) 1989-05-03 1989-05-03 Korrelpers voor veevoeder en dergelijke.

Publications (2)

Publication Number Publication Date
EP0396199A1 true EP0396199A1 (de) 1990-11-07
EP0396199B1 EP0396199B1 (de) 1994-08-31

Family

ID=19854602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900201107 Expired - Lifetime EP0396199B1 (de) 1989-05-03 1990-05-02 Pelletpresse für Futtermittel und dergleichen

Country Status (4)

Country Link
EP (1) EP0396199B1 (de)
DE (1) DE69011938T2 (de)
DK (1) DK0396199T3 (de)
NL (1) NL8901131A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0664961A1 (de) * 1994-01-28 1995-08-02 Ewos Aktiebolag Verfahren zur Aufbereitung von Fischfutterkügelchen, solches Kügelchen, und Vorrichtung zur Extrusion des Fischfutters
ES2124654A1 (es) * 1995-07-10 1999-02-01 Mabrik S A Granuladora perfeccionada.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648296A (en) * 1948-05-29 1953-08-11 Sennet A Oliver Pellet mill
US3358328A (en) * 1965-04-10 1967-12-19 Buehler Ag Geb Annular press device
GB1578501A (en) * 1977-02-11 1980-11-05 Heesen T Press
EP0320747A2 (de) * 1987-12-18 1989-06-21 Bühler Ag Pelletpresse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648296A (en) * 1948-05-29 1953-08-11 Sennet A Oliver Pellet mill
US3358328A (en) * 1965-04-10 1967-12-19 Buehler Ag Geb Annular press device
GB1578501A (en) * 1977-02-11 1980-11-05 Heesen T Press
EP0320747A2 (de) * 1987-12-18 1989-06-21 Bühler Ag Pelletpresse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0664961A1 (de) * 1994-01-28 1995-08-02 Ewos Aktiebolag Verfahren zur Aufbereitung von Fischfutterkügelchen, solches Kügelchen, und Vorrichtung zur Extrusion des Fischfutters
ES2124654A1 (es) * 1995-07-10 1999-02-01 Mabrik S A Granuladora perfeccionada.

Also Published As

Publication number Publication date
NL8901131A (nl) 1990-12-03
DE69011938D1 (de) 1994-10-06
DE69011938T2 (de) 1995-04-13
DK0396199T3 (da) 1995-01-16
EP0396199B1 (de) 1994-08-31

Similar Documents

Publication Publication Date Title
EP0556631B1 (de) Universal-Walzgerüst
CA1128561A (en) Interchangeable assembly means for sheet delivery retarders
US4905910A (en) Double roll machine such as, for example, a roll press
US4589948A (en) Double band press of modular construction
EP0396199A1 (de) Pelletpresse für Futtermittel und dergleichen
US4498856A (en) Compacting mill
EP0246710A1 (de) Pelletpresse
EP0774208A2 (de) Trennmaschine
US5742991A (en) Method for pre-stressing bolts for connections, and a device for executing it
CH625999A5 (de)
US3587451A (en) Press having adjustable platen loading
US7398729B2 (en) Compacting press for bulk materials
US4297943A (en) Cage assembly for press assembly
CN113828705A (zh) 具有钢筋自动拉直及等尺剪切功能的剪切机
EP0640703B1 (de) Streckwerk in einer Textilmaschine
EP1568482A1 (de) Müllverdichtungsmaschine
WO2019056039A1 (de) Vorrichtung zum formen eines teigbandes
US4203845A (en) Filter press
AT404215B (de) Vorrichtung zum herstellen von umwickelten nahrungsmittelprodukten
DE1778793C3 (de) Horizontal-Strangpresse zur Herstellung von Würfeln
DE663323C (de) Koernerformmaschine
EP0405102A1 (de) Verfahren und Vorrichtung zum Zerkleinern von Mahlgut
EP0534190B1 (de) Schleifmaschine für die Enden keramischer Henkel
DE29921184U1 (de) Satellitendruckmaschine zum Bedrucken von Bogen und Bahnen
JPH06335797A (ja) 固液分離脱水機

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE CH DE DK FR GB IT LI NL

17P Request for examination filed

Effective date: 19910506

17Q First examination report despatched

Effective date: 19920923

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE DK FR GB IT LI NL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19940831

REF Corresponds to:

Ref document number: 69011938

Country of ref document: DE

Date of ref document: 19941006

ET Fr: translation filed
REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20000524

Year of fee payment: 11

Ref country code: CH

Payment date: 20000524

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DK

Payment date: 20000526

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20000529

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20000531

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20000620

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20000629

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010502

Ref country code: DK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010601

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20010601

BERE Be: lapsed

Owner name: VAN AARSEN MACHINEFABRIEK B.V.

Effective date: 20010531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20011201

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20010502

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020131

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20011201

REG Reference to a national code

Ref country code: DK

Ref legal event code: EBP

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020301