DK158647B - APPARATUS FOR SORTING FISH BY THICKNESS - Google Patents

APPARATUS FOR SORTING FISH BY THICKNESS Download PDF

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Publication number
DK158647B
DK158647B DK068686A DK68686A DK158647B DK 158647 B DK158647 B DK 158647B DK 068686 A DK068686 A DK 068686A DK 68686 A DK68686 A DK 68686A DK 158647 B DK158647 B DK 158647B
Authority
DK
Denmark
Prior art keywords
fish
thickness
section
sorting
cross
Prior art date
Application number
DK068686A
Other languages
Danish (da)
Other versions
DK158647C (en
DK68686D0 (en
DK68686A (en
Inventor
Manfred Mette
Original Assignee
Nordischer Maschinenbau
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 Nordischer Maschinenbau filed Critical Nordischer Maschinenbau
Publication of DK68686D0 publication Critical patent/DK68686D0/en
Publication of DK68686A publication Critical patent/DK68686A/en
Publication of DK158647B publication Critical patent/DK158647B/en
Application granted granted Critical
Publication of DK158647C publication Critical patent/DK158647C/en

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Classifications

    • AHUMAN NECESSITIES
    • A22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22CPROCESSING MEAT, POULTRY, OR FISH
    • A22C25/00Processing fish ; Curing of fish; Stunning of fish by electric current; Investigating fish by optical means
    • A22C25/04Sorting fish; Separating ice from fish packed in ice
    • AHUMAN NECESSITIES
    • A22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
    • A22CPROCESSING MEAT, POULTRY, OR FISH
    • A22C25/00Processing fish ; Curing of fish; Stunning of fish by electric current; Investigating fish by optical means
    • A22C25/08Holding, guiding, or conveying fish before, during or after its preparation ; Devices for sizing fish; Automatically adapting conveyors or processing machines to the measured size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/04Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
    • B07B13/07Apparatus in which aggregates or articles are moved along or past openings which increase in size in the direction of movement

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Processing Of Meat And Fish (AREA)
  • Sorting Of Articles (AREA)

Description

DK 158647 BDK 158647 B

i 5 Opfindelsen angår et appatat til sortering af fisk efter tykkelsen af deres kroppe, hvilket apparat har mindst et par vibrerende drevne føringselementer, der danner en transportrende med en i fiskenes transportretning stadigt bredere spalte i bunden.The invention relates to an apparatus for sorting fish according to the thickness of their bodies, which apparatus has at least a pair of vibratingly driven guide members which form a conveyor ring with a slit at the bottom in the transport direction of the fish.

1010

Et sådant apparat kendes fra DE patentskrift 12 88 357. I dette apparat anvendes nogle på langs og nedad skrånende, langs hverandre sig strækkende føringselementer, der parvist afgrænser føringsrenden, som i bunden har en spalte, der udvider sig 15 i transportretningen. De føringselementer, der mellem sig danner en transportrende er drevet med indbyrdes modsat vibration, således at der frembringes en transport af den fisk, der måtte befinde sig derimellem i retning hen mod det sted, hvor spaltebredden svarer til den enkelte fisks bredde.Such an apparatus is known from DE patent specification 12 88 357. In this apparatus, some longitudinal and downwardly sloping, laterally extending guide elements are used which define in pairs the guide gutter which at the bottom has a slot extending 15 in the direction of transport. The guiding elements forming between them a conveying channel are driven with mutually opposite vibration, so as to produce a transport of the fish which may be therebetween towards the place where the gap width corresponds to the width of the individual fish.

2020

Dette apparat fungerer tilfredsstillende til sortering af stimefisk med lille eller mellemstor størrelse, men ved anvendelse til større fisk viser der sig med tiltagende fiskestørrelse stigende uregelmæssigheder, der viser sig ved, at antallet af 25 fejlsorterede fisk i den mindre størrelsesorden vokser. Dette fænomen kan føres tilbage til, at særligt fisk med blødere konsistens har tilbøjelighed til forblive i den sidestilling, som de tilfældigt kommer til at indtage, når de tilføres transportrenden, således at sorteringen af sådanne fisk sker 30 efter deres højdemål i stedet for efter deres tykkelse.This apparatus works satisfactorily for sorting small or medium size bass fish, but when used for larger fish, increasing irregularities occur with increasing fish size, as the number of 25 misclassified fish of the smaller size grows. This phenomenon can be attributed to the fact that particular fish of softer consistency tend to remain in the juxtaposition that they happen to occupy when fed to the transport gutter, so that the sorting of such fish takes place by their height rather than by their height. thickness.

Det er derfor formålet med opfindelsen at forbedre det kendte apparat således, at det også kan anvendes til fejlfri sortering af fisk i det mindste af middelstørrelse og/eller med 35 blødere konsistens.It is therefore an object of the invention to improve the known apparatus so that it can also be used for error-free sorting of fish at least of medium size and / or with softer consistency.

Dette formål opfyldes ifølge opfindelsen på den måde, atThis object is fulfilled according to the invention in that:

DK 158647 BDK 158647 B

2 transportrendens tværsnit gøres usymmetrisk. Herved opnås, at en fisk i sidestilling alt efter bugens eller ryggens stilling kun transporteres understøttet på den ene eller den anden af disse, således at der udøves et drejningsmoment på fisken på 5 grund af, at lodlinien gennem dens tyngdepunkt falder uden for denne understøtning, og dette frembringer en drejning af fiskekroppen således, at dens bug eller dens ryg tvinges til at vende nedad.The cross-section of the transport trench is made asymmetrical. Hereby, a fish in juxtaposition, depending on the position of the abdomen or back, is carried only supported on one or the other of them, so that a torque is exerted on the fish due to the fact that the vertical through its center of gravity falls outside this support, and this produces a rotation of the fish body so that its belly or its back is forced downward.

10 Denne virkning bliver særlig sikker, når transportrenden tværsnit har form som et vinkelret trapez, hvis ikke parallelle sider dannes af de af føringselementernes vægsider, som afgrænser transportrenden.This effect becomes particularly certain when the transverse trench cross-section is in the form of a perpendicular trapezoid, if not parallel sides are formed by the wall sides of the guide elements defining the conveying trench.

15 Med denne udformning opnås derudover en reduktion af den af fiskekroppens vægt forårsagede særlige sidepresning mod spaltens kanter mellem føringselementerne. Dette har særlig betydning ved håndtering af fisk, hvis hoveder er skåret af og som i reglen i det mindste kort før de når til den spaltebrede, 20 der frigiver den respektive fisk, retter sig op stående på halen. Ved den beskrevne udformning forhindres det på effektiv måde, at fisk, som på forhånd er bearbejdet på denne måde herunder fisk med blød konsistens, frigives for tidligt.In addition, this design achieves a reduction of the special side compression caused by the weight of the fish body against the edges of the gap between the guide elements. This is of particular importance in handling fish whose heads are cut off and, as a rule, at least shortly before reaching the slit-wide 20 which releases the respective fish, straightens up standing on its tail. The described design effectively prevents premature release of fish processed in this way, including soft consistency fish.

25 Opfindelsen belyses nedenfor nærmere med henvisning til tegningen, der viser:The invention is illustrated below with reference to the drawing which shows:

Fig. 1 en skematisk sideprojektion på apparatet, 30 fig. 2 en skematisk projektion fra oven på apparatet, og fig. 3 et snit gennem transportrenden langs snitlinien I-I.FIG. 1 is a schematic side elevation of the apparatus; FIG. 2 is a schematic view from above of the apparatus; and FIG. 3 is a section through the conveying trough along section line I-I.

Arbejdsområdet 1, hvor fiskene sorteres, bæres af et ikke nær-35 mere vist maskinchassis, hvis overside udgøres af arbejdsområdet 1. Dette er anbragt med hældning og dannes af flere ved siden af hverandre anbragte føringselementer 2, hvorimellemThe work area 1, where the fish are sorted, is carried by a machine chassis not shown, the upper side of which is constituted by the work area 1. This is inclined and is formed by several adjacent guide elements 2, between them.

DK 158647BDK 158647B

3 der findes en spalte 3, som udvider sig i retning mod arbejdsområdets 1 nedre ende. Føringselementerne 2 bæres hver ved sin øvre ende af understøtninger 4, der med deres frie ende understøttes på en med excentrikker 5 forsynet, i maskinchassiset 5 lejret og på egnet måde roterende drevet aksel 6. Den nedre ende af føringselementerne 2 bæres ligeledes ved hjælp af understøtninger 8 på en excenteraksel 7, der roterer synkront med akslen 6. Understøtningerne 8 er ledforbundet med føringselementerne 2 for at kompensere for eventuelle fremstillingsu-10 nøjagtigheder. Spalten 3 er konstrueret indstillelig, hvilket for eksempel kan ske ved forskydning af understøtningerne 4,8 på excentrikkerne 5 henholdsvis excenterakslerne 7,6. Føringselementerne 2 er fordelagtigt hulprofilstænger, som har tværsnit i form af et retvinklet trapez. Deres anbringelse i ar-15 bejdsområdet 1 er endvidere sådan, at de to parallelle begrænsningsflader 9 og 10 på alle føringselementer 2 er lodrette, således hver føringsrende 11, der dannes af to naboplacerede føringselementer 2, har en lodret og en skrånende sideflade. Over arbejdsområdets 1 øvre del findes en fødetranspor-20 tør 12, medens underdelen har tilsluttet en fraførselstrans-portør 13. Under arbejdsområdet 1 kan der være placeret to eller flere opsamlingsbeholdere 14 til opsamling af de gennem arbejdsområdet 1 nedfaldende fisk.3 there is a gap 3 which extends in the direction towards the lower end of the working area 1. The guide members 2 are each supported at its upper end by supports 4, which are supported by their free end on an eccentric 5, mounted in the machine chassis 5 and rotatably driven shaft 6. The lower end of the guide elements 2 is also supported by supports. 8 on an eccentric shaft 7 that rotates synchronously with the shaft 6. The supports 8 are articulated with the guide members 2 to compensate for any manufacturing inaccuracies. The gap 3 is constructed adjustable, which can be done, for example, by displacing the supports 4.8 on the eccentrics 5 and the eccentric shafts 7.6. Advantageously, the guide members 2 are hollow profile bars having a cross-section in the form of a right-angled trapezoid. Furthermore, their placement in the working area 1 is such that the two parallel restraining surfaces 9 and 10 of all guide elements 2 are vertical, so that each guide ring 11 formed by two adjacent guide elements 2 has a vertical and a sloping side surface. Above the upper part of the work area 1 is a feeder conveyor 12, while the lower part has connected a delivery conveyor 13. Below the work area 1 two or more collection containers 14 may be placed for collecting the fish falling through the working area 1.

25 Apparatet fungerer på følgende måde:The device works as follows:

De fisk, som skal sorteres, transporteres hen over arbejdsområdets 1 øvre del ved hjælp af den eksempelvis som løftetransportør udformede tilførselstransportør 12 og bliver der på 30 passende måde afkastet ensartet fordelt over arbejdsområdets 1 bredde. På denne måde kommer fiskene i kontakt med de vibrerende drevne føringselementer 2 og påvirkes af disse med en mikrokasteeffekt, der bevirker, at de placeres i og transporteres ned ad transportrenderne 11. På grund af hver transport-35 rendes 11 tværsnitsform etableres næsten hele det transporterende greb på fisken på dennes ene side, hvilket, specielt hvis man betragter vibrationsbevægelsens lodrette løftekompo-The fish to be sorted are transported over the upper part of the work area 1 by means of the feed conveyor 12, for example, which is designed as a lift conveyor and is distributed equally evenly over the width of the work area 1. In this way, the fish come into contact with the vibrating driven guide members 2 and are influenced by them with a micro-throw effect, which causes them to be placed in and transported down the transport gutter 11. Because of the cross-sectional shape of each conveyor 11, almost all of the transporting grip on the fish on one side, which, especially if you consider the vertical lifting of the vibration movement.

4 DK 158647 B4 DK 158647 B

nent, har til følge, at fiskene rettes lodret ind med deres symmetriplan.The result is that the fish are aligned vertically with their plane of symmetry.

Claims (2)

1. Apparat til sortering af fisk efter tykkelsen af deres kroppe med mindst et par vibrerende drevne føringselementer 5 (2), der danner en transportrende med en i fiskenes bevægel sesretning stadigt bredere spalte (3) i rendens bund, kendetegnet ved, at transportrendens (11) tværsnit er usymmetrisk. 10Apparatus for sorting fish by the thickness of their bodies with at least a pair of vibratingly driven guide members 5 (2) forming a conveying channel with a gap (3) in the direction of movement of the fish in the direction of movement which is ever wider, characterized in that the conveying trough ( 11) cross section is asymmetrical. 10 2. Apparat ifølge krav 1, kendetegnet ved, at transportrendens (11) tværsnit har form som et retvinklet trapez, hvis ikke parallelle sider dannes af de af føringselementernes (2) vægdele, der afgrænser transportrenden (11).Apparatus according to claim 1, characterized in that the cross-section of the conveying trough (11) is shaped like a right-angled trapezoid, if not parallel sides are formed by the wall parts of the guide elements (2) defining the conveying trough (11).
DK068686A 1985-03-14 1986-02-12 APPARATUS FOR SORTING FISH BY THICKNESS DK158647C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3509079A DE3509079C1 (en) 1985-03-14 1985-03-14 Device for classifying fish by their thickness
DE3509079 1985-03-14

Publications (4)

Publication Number Publication Date
DK68686D0 DK68686D0 (en) 1986-02-12
DK68686A DK68686A (en) 1986-09-15
DK158647B true DK158647B (en) 1990-07-02
DK158647C DK158647C (en) 1991-01-07

Family

ID=6265142

Family Applications (1)

Application Number Title Priority Date Filing Date
DK068686A DK158647C (en) 1985-03-14 1986-02-12 APPARATUS FOR SORTING FISH BY THICKNESS

Country Status (4)

Country Link
DE (1) DE3509079C1 (en)
DK (1) DK158647C (en)
IS (1) IS1408B6 (en)
NO (1) NO158482C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IS4473A (en) * 1997-04-28 1998-10-29 Style - R.M. Magnusson Equipment for classification, in particular of sensitive materials such as fish
DE102020113316A1 (en) * 2020-05-15 2021-11-18 Nordischer Maschinenbau Rud. Baader Gmbh + Co. Kg Device and method for guiding and guiding fish

Also Published As

Publication number Publication date
IS3080A7 (en) 1986-09-15
DE3509079C1 (en) 1986-02-13
NO158482C (en) 1988-09-21
DK158647C (en) 1991-01-07
DK68686D0 (en) 1986-02-12
IS1408B6 (en) 1989-12-15
NO158482B (en) 1988-06-13
NO860965L (en) 1986-09-15
DK68686A (en) 1986-09-15

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