WO1981000976A1 - Device for identifying molding units in a molding chain - Google Patents

Device for identifying molding units in a molding chain Download PDF

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Publication number
WO1981000976A1
WO1981000976A1 PCT/CH1980/000122 CH8000122W WO8100976A1 WO 1981000976 A1 WO1981000976 A1 WO 1981000976A1 CH 8000122 W CH8000122 W CH 8000122W WO 8100976 A1 WO8100976 A1 WO 8100976A1
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WO
WIPO (PCT)
Prior art keywords
casting
computer
coding
reading
unit
Prior art date
Application number
PCT/CH1980/000122
Other languages
German (de)
French (fr)
Inventor
K Hitz
R Pala
Original Assignee
Fischer Ag Georg
K Hitz
R Pala
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 Fischer Ag Georg, K Hitz, R Pala filed Critical Fischer Ag Georg
Priority to AU63902/80A priority Critical patent/AU6390280A/en
Publication of WO1981000976A1 publication Critical patent/WO1981000976A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34Sorting according to other particular properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D33/00Equipment for handling moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00Equipment for supplying molten metal in rations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D45/00Equipment for casting, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D46/00Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons

Definitions

  • the invention relates to a device for identifying casting mold units of a casting line according to the preamble of the first claim.
  • each casting mold unit having a mold trolley and a mold thereon.
  • the coding on the mold trolley is in the form of a magnetic or visible, unspecified inscription .
  • the position of any other, uniform mold carriage must be derived from the mold carriage located at the level of the stationary reading device. All related to reading the values and identifying the positions of the molding car and the casting car Steps can be carried out on a model of the Giessstrasse in the form of a closed belt.
  • the numbers of the trucks are printed on the belt, which is driven synchronously with the drive on the Giessstrasse.
  • a disadvantage is the complicated synchronization or plat determination between the mold and casting ladle, w when the reader scans an above-ground scale with subdivision on the casting ladle.
  • FIG. 1 shows a section of a casting street and its connection to a computer
  • Fig. 2 is a not to scale side view of a molded car
  • FIG. 3 shows a reading device in the form of a set of contactless limit switches for reading the coding device according to FIG. 2 and FIG.
  • FIGS. 2 and 3 shows a superimposition of a coding device with a reading device according to FIGS. 2 and 3.
  • a plurality of casting mold units each consisting of a molding carriage 10 and a casting mold 11, continuously or possibly step by step follow a predetermined track 12 on a casting line.
  • a coding device 16 is provided vertically on each molding carriage 10, by means of which the molding carriages are numbered consecutively, e.g. from 100 to 300.
  • At least one casting ladle unit 17 can be moved on tracks 18 parallel to a section of the web 12, the casting section.
  • a reading device GL which reads the coding device 16 of the casting or filling unit 205 to be filled or filled when it is positioned thereon and also a data input device 22 for identifying the respective batch. Both devices GL and 22 feed the data into a computer 23.
  • the device only needs a stationary reading device 0L arranged arbitrarily on the track, which serves as a reference point and, in the example, is currently reading the mold unit 202. This reference point is marked on computer 23 with 0L. Since all molding carriages 10 are designed uniformly, the position of each molding carriage can thus be derived.
  • the casting mold unit 200 is thus located in the sampling point P (P R on the computer), which is two mold carriage units further in the direction of movement 24.
  • the sampling point P has a second data input device which is connected to the computer.
  • a sample is taken from each last cast of each batch.
  • Dii Casting mold 200 is the last casting mold with batch F.
  • the operator gives the computer 23 the instruction that the sample has been taken.
  • the sample is sent to laboratory L, where it is analyzed.
  • the bad castings are branched off using a switch W, which is controlled by the computer.
  • the switch W is exactly 60 units in the direction of movement in front of the OL reader. 1 shows that the last casting unit 141 from batch A is found to be good, while the analysis describes batch B, with which the molds 142, 143, 144 are cast, as bad.
  • the computer 23 switches the switch W to the branch junction II at the right moment. It is possible without great expenditure to show the data of the computer on a screen at various points, for example at the sampling point, the unpacking point and the branch point W.
  • the coding device 16 is based on the BCD code and has a number of holes 28 into which cams or bolts 29 are inserted. This makes the device insensitive to faults and therefore more reliable.
  • the number of the casting mold unit shown in FIG. 2, which is read by the contactless limit switches 30 of each reading device, is therefore 50.
  • two synchronizing cam 34 are arranged, which also cooperate with contactless limit switches 35 z. Only when both limit switches 35 are activated can the reading process be initiated.
  • the superimposition of the coding device 16 with the reading device 0L or GL shows in FIG. 4 that the synchronizing cams 34 are arranged offset from one another with respect to their limit switches 35. This makes it possible to additionally record the approach or departure direction.
  • the distance from the reader GL to the pouring spout can be selected so that the spout is outside the pouring area during reading.
  • the computer calculates the shape of the trolley.
  • the computer can calculate which cam coding must be present and compares this with the cam coding actually read. In the case of the stationary reading device OL, too, the next following cam coding is continuously calculated and compared with the actually read values. This enables absolute monitoring of the codes, reading devices and the computer.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Continuous Casting (AREA)
  • Investigating And Analyzing Materials By Characteristic Methods (AREA)
  • Casting Devices For Molds (AREA)
  • Valve Housings (AREA)
  • Level Indicators Using A Float (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

Molds having code numbers (141-206) in a molding chain are filled by means of a casting ladle (17). The casting ladle determines each time the mold to be filled and stores this information with the load number (A-H) in a central computer (23) by means of a data recording apparatus By means of a stationary reading apparatus (OL) the position of each mold may be determined. Data recording apparatuses are positioned at the location of sample taking (P) and in the laboratory (L); these data are also stored in the computer. The computer set the position the orientation device (W) in the direction (I) or in the output direction (II). Thereby is obtained an absolute and continuous economical control. The coding device (16) has cams and contactless limit switches and is thereby free from to troubles.

Description

Einrichtung zur Identifizierung von Giessformeinheiten einer Giessstrasse ;Device for identifying mold units on a casting line;
Die Erfindung betrifft eine Einrichtung zur Identifizierung von Giessformeinheiten einer Giessstrasse gemäss dem Oberbegriff des ersten Anspruches.The invention relates to a device for identifying casting mold units of a casting line according to the preamble of the first claim.
Bei solchen Giessstrassen ist es wichtig, ständig die Giessfor- men zu identifizieren, um entscheiden zu können, ob je nach der Qualität der Giessform ein Guss in diese Form erfolgen soll oder nicht. Auch sollte in Erfahrung gebracht werden, aus welcher Giesspfanne und mit welchem Guss diese Giessform gefüllt wurde, um nach der Laboranalyse des in einer Giesspfanne enthaltenen Materials entscheiden zu können, ob die aus einer Giesspfanne stammenden Abgüsse brauchbar oder Ausschuss sind.With such casting lines, it is important to constantly identify the casting molds in order to be able to decide whether or not a casting should take place in this mold, depending on the quality of the casting mold. You should also find out from which ladle and with which casting this casting mold was filled in order to be able to decide after the laboratory analysis of the material contained in a ladle whether the castings from a ladle are usable or rejects.
Aus der DE-OS 28 04 705 ist eine einschlägige Einrichtung gemäss dem Oberbegriff des ersten Anspruches bekannt, wobei jede Giess- for einheit einen Formenwagen und darauf eine Giessform aufweist, Die Kodierung am Formenwagen ist in Form einer magnetischen oder sichtbaren, nicht näher umschriebenen Aufschrift. Ausgehend vom auf der Höhe des ortsfesten Lesegerätes befindlichen Formenwagen ist die Position jedes anderen, einheitlichen Formenwagens abzu¬ leiten. Alle das Ablesen der Werte und die Identifizierung der Positionen der Formenwagen und des Giesswagens betreffenden Schritte können an einem Modell der Giessstrasse in Form eines geschlossenen Bandes durchgeführt werden. Die Nummern der Forτn wagen sind auf dem Band, dessen Antrieb synchron mit dem Antri der Giessstrasse erfolgt, aufgebracht.From DE-OS 28 04 705 a relevant device according to the preamble of the first claim is known, each casting mold unit having a mold trolley and a mold thereon. The coding on the mold trolley is in the form of a magnetic or visible, unspecified inscription . The position of any other, uniform mold carriage must be derived from the mold carriage located at the level of the stationary reading device. All related to reading the values and identifying the positions of the molding car and the casting car Steps can be carried out on a model of the Giessstrasse in the form of a closed belt. The numbers of the trucks are printed on the belt, which is driven synchronously with the drive on the Giessstrasse.
Als nachteilig ist die komplizierte Synchronisierung bzw. Plat bestimmung zwischen der Giessform und Giesspfanne zu werten, w bei das Lesegerät an der Giesspfanne eine Ueberflurskala mit Unterteilung abtastet.A disadvantage is the complicated synchronization or plat determination between the mold and casting ladle, w when the reader scans an above-ground scale with subdivision on the casting ladle.
Es ist ebenfalls bekannt, an den Formwagen magnetisierbare Plä chen vorzusehen, die über Schreibstationen beschrieben und übe Lesestationen abgefragt werden können. Nachteilig ist erstens eine unbeabsichtigte Löschung bzw. Umpolung der magnetischen Plättchen durch Magnete und zweitens die Notwendigkeit einer Vielzahl von Lesestationen, die höchstens eine lückenhafte Ueb sicht ermöglichen.It is also known to provide magnetizable plates on the molding carriages, which can be written to and written to via reading stations. Disadvantages are firstly an unintentional erasure or polarity reversal of the magnetic plates by magnets and secondly the necessity of a large number of reading stations, which at most allow an incomplete overview.
Es ist Aufgabe der vorliegenden Erfindung, eine einschlägige Einrichtung vorzuschlagen, mit welcher unter Zuhilfenahme von wenigen Mitteln eine ständige Identifizierung und Steuerung vo Giessformeinheiten möglich ist.It is the object of the present invention to propose a relevant device with which a constant identification and control of casting mold units is possible with the aid of a few means.
Diese Aufgabe wird erfindungsgemäss gelöst durch die Lehre des ersten Patentanspruches. Weitere vorteilhafte und/oder erfindu gemässe Ausgestaltungen gehen aus den Unteransprüchen hervor.According to the invention, this object is achieved by the teaching of the first claim. Further advantageous and / or inventive designs emerge from the subclaims.
Die Erfindung wird nunmehr anhand eines in der Zeichnung darge stellten Beispiels näher erläutert.The invention will now be explained with reference to an example presented in the drawing Darge.
Es zeigen:Show it:
Fig. 1 ein Teilstück einer Giessstrasse und ihre Verbindung mit einem Rechner,1 shows a section of a casting street and its connection to a computer,
Fig. 2 eine nicht massstabgetreue Seitenansicht eines FormwagFig. 2 is a not to scale side view of a molded car
^-• mit einer Kodiervorrichtung,^ - • with a coding device,
Fig. 3 ein Lesegerät in Form eines Satzes kontaktloser Endschal¬ ter zum Lesen der Kodiervorrichtung nach Fig. 2 und,3 shows a reading device in the form of a set of contactless limit switches for reading the coding device according to FIG. 2 and FIG.
Fig. 4 eine Ueberlagerung einer Kodiervorrichtung mit einem Lesegerät nach Fig. 2 und 3.4 shows a superimposition of a coding device with a reading device according to FIGS. 2 and 3.
Eine Mehrzahl von Giessformeinheiten, die jeweils aus einem Form¬ wagen 10 und einer Giessform 11 bestehen, folgen kontinuierlich oder eventuell schrittweise einer, vorbestimmten, Gleise aufwei¬ senden Bahn 12 einer Giessstrasse. An jedem Formwagen 10 ist ver¬ tikal eine Kodiervorrichtung 16 vorgesehen, mittels welcher die Formwagen durchlaufend nummeriert sind z.B. von 100 bis 300. Mindestens eine Giesspfanneneinheit 17 ist, parallel zu einem Teilstück der Bahn 12, der Giessstrecke, auf Gleisen 18 ver¬ fahrbar.A plurality of casting mold units, each consisting of a molding carriage 10 and a casting mold 11, continuously or possibly step by step follow a predetermined track 12 on a casting line. A coding device 16 is provided vertically on each molding carriage 10, by means of which the molding carriages are numbered consecutively, e.g. from 100 to 300. At least one casting ladle unit 17 can be moved on tracks 18 parallel to a section of the web 12, the casting section.
An der Giesspfanneneinheit 17 mit einer zeitweiligen Charge H befindet sich ein Lesegerät GL, das die Kodiervorrichtung 16 der zu füllenden bzw. sich füllenden Giessfor einheit 205 beim Posi¬ tionieren auf dieselbe einliest und ebenfalls ein Dateneingabe¬ gerät 22 zur Kennzeichnung der jeweiligen Charge. Beide Geräte GL und 22 speisen die Daten in einen Rechner 23. Die Einrich¬ tung benötigt nur noch ein willkürlich an der Bahn angeordnetes ortsfestes Lesegerät 0L, das als Bezugspunkt dient und im Bei¬ spiel gerade die Giessformeinheit 202 liest. Dieser Bezugspunkt ist auf dem Rechner 23 mit 0L gekennzeichnet. Da alle Formwagen 10 einheitlich gestaltet sind, ist somit die Position jedes Form¬ wagens ableitbar. So befindet sich die Giessformeinheit 200 in der Probeentnahmestelle P (P R auf dem Rechner) , die zwei Form- wageneinheiten in Bewegungsrichtung 24 weiter ist. Die Probe¬ entnahmestelle P weist ein zweites Dateneingabegerät auf, das mit dem Rechner verbunden ist.On the casting ladle unit 17 with a temporary batch H there is a reading device GL which reads the coding device 16 of the casting or filling unit 205 to be filled or filled when it is positioned thereon and also a data input device 22 for identifying the respective batch. Both devices GL and 22 feed the data into a computer 23. The device only needs a stationary reading device 0L arranged arbitrarily on the track, which serves as a reference point and, in the example, is currently reading the mold unit 202. This reference point is marked on computer 23 with 0L. Since all molding carriages 10 are designed uniformly, the position of each molding carriage can thus be derived. The casting mold unit 200 is thus located in the sampling point P (P R on the computer), which is two mold carriage units further in the direction of movement 24. The sampling point P has a second data input device which is connected to the computer.
Jedem letzten Guss jeder Charge wird eine Probe entnommen. Dii Giessform 200 ist die letzte Giessform mit Charge F. Der Bedie¬ nungsmann gibt durch Knopfdruck dem Rechner 23 die Anweisung, dass die Probeentnahme erfolgt ist. Die Probe wird ins Labor L geschickt, wo sie analysiert wird. Auch hier befindet sich ein Dateneingabegerät, dessen Knöpfe I bei einer guten und II bei einer schlechten Analyse gedrückt werden müssen. Die schlechten Abgüsse werden mittels einer Weiche W, die vom Rechner gesteuer wird, abgezweigt. Die Weiche W befindet sich genau 60 Formwagen einheiten in Bewegungsrichtung vor dem Lesegerät OL. Fig. 1 zeigt, dass die letzte Giessformeinheit 141 aus harge A für gut befunden ist, während die Analyse die Charge B, mit der die Giessformen 142, 143, 144 abgegossen sind, als schlecht bezeich net. Der Rechner 23 schaltet im richtigen Moment die Weiche W auf Bahnabzweigung II. Es ist ohne grosse Aufwendungen möglich, an verschiedenen Stellen, z.B. an der Probeentnahmestelle, der Auspackstelle, der Abzweigstelle W die Daten des Rechners auf einem Bildschirm zu zeigen.A sample is taken from each last cast of each batch. Dii Casting mold 200 is the last casting mold with batch F. At the push of a button, the operator gives the computer 23 the instruction that the sample has been taken. The sample is sent to laboratory L, where it is analyzed. Here too there is a data input device, the buttons I of which have to be pressed if the analysis is good and II if it is bad. The bad castings are branched off using a switch W, which is controlled by the computer. The switch W is exactly 60 units in the direction of movement in front of the OL reader. 1 shows that the last casting unit 141 from batch A is found to be good, while the analysis describes batch B, with which the molds 142, 143, 144 are cast, as bad. The computer 23 switches the switch W to the branch junction II at the right moment. It is possible without great expenditure to show the data of the computer on a screen at various points, for example at the sampling point, the unpacking point and the branch point W.
Die Kodiervorrichtung 16 basiert auf dem BCD-Kode und weist ein Zahl von Löchern 28 auf, in die Nocken bzw. Bolzen 29 gesteckt sind. Dadurch wird die Einrichtung störungsunempfindlich und deshalb betriebssicherer. Die Nummer der in Fig.. 2 gezeigten Giessformeinheit, die von den kontaktlosen Endschaltern 30 eines jeden Lesegerätes gelesen wird, ist also 50.The coding device 16 is based on the BCD code and has a number of holes 28 into which cams or bolts 29 are inserted. This makes the device insensitive to faults and therefore more reliable. The number of the casting mold unit shown in FIG. 2, which is read by the contactless limit switches 30 of each reading device, is therefore 50.
Links und rechts der Kodierlöcher 28 sind zwei Synchronisiernock 34 angeordnet, die ebenfalls mit kontaktlosen Endschaltern 35 z sammenwirken. Erst wenn beide Endschalter 35 aktiviert werden, kann der Lesevorgang initiert werden. Die Ueberlagerung der Ko- diervorrichtung 16 mit dem Lesegerät 0L oder GL zeigt in Fig. 4, dass die Synchronisiernocken 34 gegenüber ihren Endschaltern 35 zueinander versetzt angeordnet sind. Dadurch wird es möglich, zusätzlich die Anfahr- bzw. Wegfahrrichtung zu erfassen.Left and right of the coding holes 28, two synchronizing cam 34 are arranged, which also cooperate with contactless limit switches 35 z. Only when both limit switches 35 are activated can the reading process be initiated. The superimposition of the coding device 16 with the reading device 0L or GL shows in FIG. 4 that the synchronizing cams 34 are arranged offset from one another with respect to their limit switches 35. This makes it possible to additionally record the approach or departure direction.
Anstelle der fortlaufenden Kodierung ist es möglich, zur Ein¬ sparung von Nocken, eine willkürliche Kodierung zu in der gleichen Reihenfolge im Rechner gespeichert ist.Instead of the continuous coding, an arbitrary coding is possible to save cams stored in the computer in the same order.
Der Abstand vom Lesegerät GL zur Giessschnautze kann so gewählt sein, dass während des Lesens die Schnauze ausserhalb des Giessbereiches steht. Beim Wegfahren von den Nocken errechnet der Rechner dann vor welcher Form der Giesswagen steht. Beim Auffahren auf die Nocken kann der Rechner errechnen welche Nockenkodierung vorliegen muss und vergleicht dies mit der tat¬ sächlich eingelesenen Nockenkodierung. Auch bei dem stationären Lesegerät OL wird fortlaufend die nächstfolgende Nockenkodierung errechnet und mit den tatsächlich eingelesenen Werten verglichen. Dadurch ist eine absolute Ueberwachung der Kodierungen, Leseein¬ richtungen und des Rechners möglich. The distance from the reader GL to the pouring spout can be selected so that the spout is outside the pouring area during reading. When moving away from the cams, the computer then calculates the shape of the trolley. When colliding with the cams, the computer can calculate which cam coding must be present and compares this with the cam coding actually read. In the case of the stationary reading device OL, too, the next following cam coding is continuously calculated and compared with the actually read values. This enables absolute monitoring of the codes, reading devices and the computer.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Einrichtung zur Identifizierung von Giessformeinheiten (10, einer Giessstrasse1. Device for identifying casting mold units (10, a casting street
- wobei die Giessformeinheiten schrittweise oder kontinuier lich einer vorbestimmten Bahn (12) folgen,- The casting mold units follow a predetermined path (12) step by step or continuously,
- wobei jede Giessformeinheit eine Kodiervorrichtung (16) a weist, :- wherein each casting mold unit has a coding device (16) a:
- mit mindestens einer längs einer Giessstrecke der Bahn ve fahrbaren Giesspfanneneinheit (17) ,- With at least one casting ladle unit (17) which can be moved along a casting line of the web,
- wobei die Giesspfanneneinheit ein Lesegerät (GL) aufweist,- The casting ladle unit has a reader (GL),
- mit einem an der Bahn ortsfesten Lesegerät (OL) zum Lesen der Kodiervorrichtungen der Giessformeinheiten, und- With a stationary on the train reading device (OL) for reading the coding devices of the mold units, and
- mit einem Rechner (23) , der mit den Lesegeräten (OL, GL) der Bahn und der Giesspfanneneinheit verbunden ist, dadurch gekennzeichnet dass,- With a computer (23) which is connected to the readers (OL, GL) of the web and the ladle unit, characterized in that
- der Giesspfanneneinheit (17) ein Dateneingabegerät (22) z geordnet ist, das mit dem Rechner (23) verbunden ist,- The pouring ladle unit (17) is arranged a data input device (22) z, which is connected to the computer (23),
- das der Giesspfanneneinheit zugeordnete Lesegerät jeweils die Kodiervorrichtung der Giessformeinheit beim Positio¬ nieren auf dieselbe einliest,the reader assigned to the casting ladle unit reads in the coding device of the casting mold unit when positioning it,
- der Rechner mit mindestens einem zweiten Dateneingabegerä (P, L) verbunden ist, und- The computer is connected to at least one second data input device (P, L), and
- die Bahn mindestens eine Abzweigung (II) aufweist, deren Z gang vom Rechner nach Massgabe der vom zweiten oder weite Dateneingabegerät eingegebenen Daten steuerbar ist.- The track has at least one branch (II), the Z gang can be controlled by the computer in accordance with the data entered by the second or wide data input device.
2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass einer Probeentnahmestelle (P) und/oder einer Analysestelle (L) ein Dateneingabegerät zugeordnet sind.2. Device according to claim 1, characterized in that a sampling point (P) and / or an analysis point (L) are assigned a data input device.
3. Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Kodiervorrichtung (16) eine Zahl von Löchern (28) aufweist, in welche Bolzen (29) einsteckbar sind und dass jedes Lesegerät (OL, GL) eine Zahl von kontaktlosen EndschaJ3. Device according to claim 1 or 2, characterized in that the coding device (16) has a number of holes (28) into which bolts (29) can be inserted and that each reader (OL, GL) has a number of contactless EndschaJ
( tern (30) aufweist, die der Löcherzahl entspricht.( tern (30), which corresponds to the number of holes.
4. Einrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Kodiervorrichtung zwei beidseits der Löcher angeordnete Synchronisiernocken (34) aufweist, die mit kontaktlosen End¬ schaltern (35) des Lesegerätes zusammenwirken, deren Aktivierung den Lesevorgang initiert.4. Device according to claim 3, characterized in that the coding device has two synchronizing cams (34) arranged on both sides of the holes, which cooperate with contactless limit switches (35) of the reading device, the activation of which initiates the reading process.
5. Einrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Synchronisiernocken (34) gegenüber ihren Endschaltern (35) zu¬ einander versetzt angeordnet sind. 5. Device according to claim 4, characterized in that the synchronizing cams (34) are arranged offset from one another with respect to their limit switches (35).
PCT/CH1980/000122 1979-10-12 1980-10-10 Device for identifying molding units in a molding chain WO1981000976A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU63902/80A AU6390280A (en) 1979-10-12 1980-10-10 Device for identifying molding units in a molding chain

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH920979A CH641987A5 (en) 1979-10-12 1979-10-12 DEVICE FOR MONITORING MOLDING UNITS ON A FOUNDATION STREET.
CH9209/79 1979-10-12

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EP (1) EP0027237B1 (en)
AT (1) ATE4295T1 (en)
CA (1) CA1149129A (en)
CH (1) CH641987A5 (en)
DD (1) DD153643A5 (en)
DE (1) DE3064431D1 (en)
PL (1) PL134737B1 (en)
WO (1) WO1981000976A1 (en)
ZA (1) ZA806044B (en)

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US3576540A (en) * 1967-11-20 1971-04-27 Sundstrand Corp Plural machine tool and part handling control system
US3624478A (en) * 1970-09-03 1971-11-30 Semperit Osteneichisch Amerika Binary control circuit for mold-filling device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125448A (en) * 1939-05-19 1992-06-30 Dansk Industri Syndikat/As Automatic foundry plant
US4747444A (en) * 1985-05-02 1988-05-31 Amsted Industries Incorporated Automated casting plant and method of casting

Also Published As

Publication number Publication date
PL134737B1 (en) 1985-09-30
EP0027237B1 (en) 1983-07-27
ATE4295T1 (en) 1983-08-15
CA1149129A (en) 1983-07-05
EP0027237A1 (en) 1981-04-22
PL227210A1 (en) 1981-05-22
DE3064431D1 (en) 1983-09-01
CH641987A5 (en) 1984-03-30
DD153643A5 (en) 1982-01-20
ZA806044B (en) 1981-11-25

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