EP0636438B1 - Installation et procédé de nettoyage de tête de fir dans la production des noyaux ou des moules-carapaces - Google Patents

Installation et procédé de nettoyage de tête de fir dans la production des noyaux ou des moules-carapaces Download PDF

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Publication number
EP0636438B1
EP0636438B1 EP94105433A EP94105433A EP0636438B1 EP 0636438 B1 EP0636438 B1 EP 0636438B1 EP 94105433 A EP94105433 A EP 94105433A EP 94105433 A EP94105433 A EP 94105433A EP 0636438 B1 EP0636438 B1 EP 0636438B1
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EP
European Patent Office
Prior art keywords
station
pallet
shot
hood
manipulator
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
EP94105433A
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German (de)
English (en)
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EP0636438A1 (fr
Inventor
Werner Landua
Wolfgang Schimpf
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Adolf Hottinger Maschinenbau GmbH
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Adolf Hottinger Maschinenbau GmbH
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Publication of EP0636438A1 publication Critical patent/EP0636438A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
    • B22C15/23—Compacting by gas pressure or vacuum
    • B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles

Definitions

  • the invention relates to a device for cleaning the bonnet in the manufacture of ready-to-cast masks or core packs by means of preferably linearly arranged core shooting machines or shooting stations, the core shooting machines each having a firing hood having a firing plate and firing nozzles and the firing hood being able to be uncoupled from the core shooting machine and - with the firing nozzles facing downwards - Can be stored on a pallet or the like. Furthermore, the present invention relates to a method for using the device according to the invention.
  • the present invention relates fundamentally to the field of foundry technology.
  • foundry cores or molds are usually produced in separate parts, brought together and connected to one another to form a mold or a core package. These core packages are then filled with molten metal to produce, for example, a metallic workpiece, the series of core packages to be filled with molten metal passing through the production line one after the other.
  • Devices for producing core packages of the type in question are already known from numerous publications. Reference is made to DE-OS 23 04 564 only by way of example. It is also known from practice to manufacture the cores to be connected to form a core package in a production line with a plurality of core shooting machines or shooting stations, the core package being supplemented by a further core at each shooting station having a shooting hood. For this purpose, the cores are placed on a transfer part passing through the individual shooting stations, whereby this transfer part mostly serves as the lower part of the first shooting station.
  • the core sands used to shoot the cores or to produce the core packages are always mixed with binding agent, which means that the tools - upper part of the tool with ejection plate and lower part of the tool - and, on the other hand, the shooting hoods - shooting plate and shooting nozzles - become heavily soiled. Accordingly, in addition to the tools, the firing hoods must also be cleaned from time to time and replaced at the shooting stations. If the type of the core to be fired is changed, therefore both a tool change and a firing hood change take place, the replaced firing hoods must also be cleaned.
  • the present invention is therefore based on the object of specifying a device of the type mentioned at the outset and a corresponding method, according to which a rapid and fully automatic cleaning of the firing hood is possible while avoiding contamination of the surroundings.
  • the device according to the invention achieves the above object with regard to the claimed device by the features of claim 1.
  • the device according to the invention is characterized by a feed device, a transfer station, an emptying station, a rinsing device, a drying device, a delivery station, and possibly an inspection station and a discharge device, wherein the shot hood placed on the pallet can be moved from the core shooter to the transfer station by means of the feed device, can be lifted from the pallet by means of a first manipulator and pivoted about 180 ° about a horizontal axis - with the shot nozzles upwards - into the emptying station can be emptied, into the rinsing device, the drying device can be moved, in the delivery station swiveled by about 180 ° around a horizontal axis - with the shot nozzles downwards - can be positioned on a cleaned pallet and, if necessary, can be returned to the core shooter or a tool store via the inspection station with the discharge device is.
  • the firing hoods deposited on the pallets are now brought to the transfer station by means of the feed device and are taken over there by a manipulator, ie lifted off the pallet.
  • This manipulator brings the weft hood to be cleaned over the emptying station and rotates the weft hood about 180 ° about a horizontal axis, so that the weft nozzles now project upwards and the opening of the weft hood is exposed downwards.
  • the remaining sand in the firing hood is emptied into the emptying station.
  • the shooting hood continues from that same manipulator brought to the next station or taken over by a second manipulator and subsequently brought to the next station, more precisely to the rinsing station.
  • the firing hood is then positioned on a likewise cleaned pallet by the manipulator and, if necessary, returned to the core shooter or a tool store via the inspection station by means of the discharge device.
  • the feed device it is advantageous if it comprises a roller conveyor in which individual rollers or roller groups are driven.
  • Other conveyor devices known per se could also be used.
  • the transfer station can be designed as a transfer table acting between the roller conveyor and the emptying station.
  • the manipulator used for gripping or handling the firing hoods can be moved horizontally and also vertically between the first station - the transfer station - and the last station - the delivery station.
  • the manipulator has a gripping device which can be rotated about a horizontal axis.
  • This gripping device in turn has around the horizontal rotatable gripping jaws, by means of which the shooting hoods can preferably be clamped on both sides.
  • the manipulator has a vibration device for applying vibrations the shot caps on. This ensures that the residual sand located in the firing hood is largely detached or shaken free from the inner wall of the firing hood during emptying.
  • the emptying station it is advantageous if it has a collecting container for core sand and an outlet for the collected core sand.
  • the collecting container could be at least largely funnel-shaped, so that the emptied sand always collects at the deepest point of the collecting container and can thus be easily removed and disposed of.
  • the next station designed as a flushing device, has spray heads which act from outside and inside the firing hood.
  • spray heads On the one hand, a plurality of spray heads surrounding the shooting hood and, on the other hand, a type of spray probe could be provided outside the shooting hood, so that optimal blasting or spraying of the shooting hood - inside and outside - is possible.
  • the spray heads are supplied with circulating water in a further advantageous manner, so that the fresh water consumption is reduced to a minimum.
  • the firing device has an outlet leading into a collecting basin and an inlet leading from the collecting basin to the spray heads, so that the circulating water can circulate.
  • the collecting basin in turn has at least one pump and a filter device for filtering the circulating water.
  • the filter device can be mechanical filters, but also membrane filters or the like.
  • the drying device following the flushing device is used to dry the shot hoods wetted with circulating water and has at least one blower for air drying the shot hood on. If several blowers are provided, they can be positioned both outside and inside the firing hood, so that drying on the inside and outside takes place effectively. The air drying achieved in this way takes place in a further advantageous manner at about 55 ° C.
  • a total of two drying devices preferably arranged one after the other, can be provided in order not to cause a supercritical cycle time due to the drying.
  • Both the rinsing device and the drying devices have frame or support parts for easy support or placement of the shot caps. These frames or supporting parts are arranged or dimensioned in such a way that the firing hood - with the firing nozzles pointing upwards - can be easily put on or inserted without special centering work.
  • the rinsing device and / or the drying devices can each be covered or closed by means of a cover hood.
  • the cover In order to enable loading or unloading of the devices in question, the cover must be removable as quickly as possible and at least largely sealable before the start of the operation.
  • the cover hoods are articulated to the swivel arms assigned to the respective device and can preferably be actuated or swiveled by means of a cylinder-piston arrangement.
  • the covers are each operated by a special manipulator.
  • the covers are swiveled sideways to the conveying direction of the weft covers, so that there is no obstruction.
  • the inspection station is assigned to the delivery station is, especially since the actual cleaning process has already ended there.
  • the inspection station adjoining the drying device could be used for visual inspection by an operator.
  • the inspection station could preferably comprise contactless sensors for — contactless — scanning of the surface of the protective hood.
  • the scanning could, for example, take place optically, by means of ultrasound or inductively.
  • This pallet cleaning path could include its own conveyor, a pallet manipulator and an emptying station, whereby the pallet could be pivoted about 180 ° about a horizontal axis by means of the pallet manipulator and could be emptied into the emptying station with the loading surface facing downwards.
  • the emptying station provided specifically for the pallets could in turn have a brush for brushing off the sand adhering to the loading surface of the pallet.
  • the manipulator used for handling the shot caps could also serve to grip the pallets remaining on the transfer table after the shot caps have been lifted off.
  • the pallets would then be fed to the same emptying station for emptying by means of this manipulator, which also serves for emptying the shot caps.
  • this emptying station could be assigned a preferably movable brush for brushing off the pallets be.
  • the brush could in turn be moved by means of a cylinder-piston arrangement, so that the brush can move back and forth.
  • the cleaned pallet could advantageously be brought back to the transfer table by means of the manipulator and be able to be fed from there to the delivery station and thus to the delivery station, i.e. After cleaning the weft hoods, serve to hold the cleaned weft hoods.
  • the transfer table of the transfer station could be designed as a lifting table, preferably as a scissor lifting table.
  • a return path which takes the cleaned pallet from the transfer table in its lowered position and leads to the delivery station could be arranged below the feed device which serves to feed the soiled firing hoods onto the pallets. The required area is minimized by the arrangement of the feed path and return path selected one above the other.
  • the delivery station or inspection station connected to the last processing station could be designed as a transfer table acting between the last processing station, the drying device and the return path, which can be the same transfer table as before the emptying station.
  • the transfer table of the delivery station can namely be designed as a lifting table, in particular as a scissor lifting table.
  • the transfer table of the delivery station takes the cleaned pallet from the return path and moves it to the delivery station or inspection station.
  • the incoming and cleaned weft hood is then placed on the pallet or taken over by it, so that the cleaned weft hood lying on the pallet goes directly to the core shooter via a discharge path lying in the plane of the raised or lowered position or a tool store can be removed.
  • the discharge device also comprises a roller conveyor like the feed device already discussed above.
  • the firing hood deposited on the pallet is brought from the core shooter to the transfer station by means of the feed device. There the firing hood is lifted from the pallet by means of the manipulator and brought into the area above the emptying station. There, the firing hood is pivoted about a horizontal axis by approximately 180 ° in order to empty the firing hood, which is directed upwards with the firing nozzles, into the emptying station. Then the shot cap is brought into the rinsing device by means of the manipulator and rinsed or blasted, specifically by spraying or blasting with circulating water on the inside and outside. In a next process step, the firing hood is brought into the drying device, where it is freed from the circulating water wetting the surfaces.
  • the firing hood is brought into the delivery station, which may also serve as an inspection station, and is pivoted there about a horizontal axis by means of the manipulator, so that the firing nozzles are again directed downward.
  • the firing hood is then placed on a cleaned pallet which has meanwhile been made available in the delivery station and is returned on the pallet - on the discharge device - to the core shooter or to a tool store.
  • the cleaning of the pallets can be carried out in two alternative process steps.
  • the pallets could be fed to a separate pallet cleaning path after the firing hoods had been lifted off.
  • the pallets would be swiveled horizontally by approximately 180 ° by means of a pallet manipulator and emptied with the loading area downward into the specially provided emptying station.
  • the emptying station the sand adhering to the loading area could be brushed off with brushes.
  • the cleaned pallet could then be fed to the delivery station and be used to hold the cleaned firing hoods there.
  • the pallet remaining on the transfer table after lifting off the firing hood could also be gripped by the manipulator and fed to the emptying station which actually serves to empty the firing hoods.
  • the cleaned pallet could be returned to the transfer table by means of the manipulator and fed from there to the delivery station, namely there to hold the cleaned firing hood.
  • manipulators could easily be provided here, so that simultaneous handling of the firing hood and pallet is possible.
  • the return path arranged below the feed device and leading to the delivery station takes the cleaned pallet from the transfer table in its lowered position and leads the cleaned pallet to the delivery station for taking over the cleaned firing hood.
  • the delivery station or the inspection station provided there could be designed between the drying device and the return path in the sense of a transfer table.
  • the cleaned pallet would then be taken over in a lowered position from the transfer table of the delivery station to a return path or return device and moved to the delivery station or inspection station.
  • the cleaned firing hood could then be taken over on the pallet.
  • the firing hood lying on the pallet would then be discharged together with the pallet via a discharge path lying in the plane of the raised or lowered position or returned to the core shooter or a tool store.
  • the core shooters have a firing hood 3 having a firing plate 1 and firing nozzles 2.
  • the firing hoods 3 can be uncoupled from the core shooting machine, not shown in the figures, and - with the firing nozzles 2 directed downwards - can be placed on a pallet 4.
  • a feed device 5, a transfer station 6, an emptying station 7, a rinsing device 8, a drying device 9, a delivery station 10, which also serves as an inspection station, and a discharge device 11 are provided.
  • the firing hood 3 deposited on the pallet 4 can be moved from the core shooting machine (not shown in the figures) to the transfer station 6 by means of the feed device 5, can be lifted from the pallet 4 by means of a manipulator 12 and pivoted through 180 ° about a horizontal axis 13 - with the weft nozzles 2 facing upwards - can be emptied into the emptying station 7, into the rinsing device 8, the drying device 9 can be moved, in the dispensing station 10 by approximately 180 ° pivoted about a horizontal axis 13 - with the shot nozzles 2 directed downwards - can be positioned on a cleaned pallet 4 and can be returned via the inspection station with the discharge device 11 to the core shooter (not shown) or to a
  • Fig. 1 shows particularly clearly that the feed device 5 comprises a roller conveyor 14.
  • the transfer station 6 is designed as a transfer table 15 acting between the roller conveyor 14 and the emptying station 7.
  • the manipulator 12 can be moved between the transfer station 6 and the delivery station 10 both horizontally and vertically, which can be seen particularly in FIG. 2.
  • the manipulator 12 also has a gripping device 16 which can be rotated about a horizontal axis and which in turn has gripping jaws 17 which can be rotated about the horizontal axis 13.
  • the emptying station 7 comprises a collecting container 18 for core sand and an outlet 19 for the collected core sand 20.
  • the collecting container 18 is funnel-shaped.
  • the rinsing device 8 also has, as shown in FIG. 2, spray heads 21 acting from outside and inside the firing hood 3. These spray heads 21 can be fed with circulating water, which is only indicated in FIG. 2. With regard to details in this regard, reference is made to the general part of the description.
  • the drying device 8 has blowers 22 for air drying the firing hood 3.
  • a total of two drying devices 9 arranged one after the other are provided.
  • FIG. 2 further shows that the rinsing device 8 and the drying devices 9 have frame or support parts 23 for receiving the shooting hoods 3. These frame or support parts 23 are used for easy insertion of the shot caps 3 to be treated, so that no special centering is required.
  • Fig. 5 shows very clearly and in detail that the rinsing device 8 can be covered or closed by means of a cover 24. The same applies to the drying device 9 (not shown in FIG. 5).
  • the cover 24 is articulated on the swivel arms 25 assigned to the flushing device 8 and can be actuated or swiveled by means of a cylinder-piston arrangement 26.
  • the inspection station thus connected to the drying device 9 serves to check the cleaning quality of the firing hoods 3 on the one hand and to check the firing hoods 3 on the other hand.
  • the manipulator 12 shown in FIG. 2 also serves to grip the pallet 4 that remains on the transfer table 15 after the firing hood 3 has been lifted off.
  • the pallet 4 can be fed to the same emptying station 7 for emptying, which is also used for emptying Emptying the firing hood 3 is used.
  • the emptying station 7 is assigned a movable brush 27 for brushing off the pallet 4.
  • the pallet 4 cleaned in this way is moved onto the transfer table by means of the manipulator 12 15 brought back and fed from there to the delivery station 10 and is used to hold the cleaned firing hood.
  • the transfer table 15 of the transfer station 6 is designed as a scissor lift table.
  • a return path 28, which takes over the cleaned pallet 4 from the transfer table 15 in its lowered position and leads to the delivery station 10, is arranged below the feed device 5.
  • the delivery station 10 or the inspection station assigned to the delivery station 10 is designed as a transfer table 29 acting between the drying device 9 and the return path 28.
  • the transfer table 29 of the delivery station 10, like the transfer table 15 of the transfer station 6, is designed as a scissor lift table. Furthermore, the transfer table 29 of the delivery station 10 takes over the cleaned pallet 4 from the return path 28 in a lowered position and moves this to the delivery station 10 or the inspection station provided there.
  • the discharge device 11 comprising the discharge path 30, like the feed device 5, comprises a roller conveyor 31.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (19)

  1. Installation de nettoyage de la tête de tirage lors de la production de moules-carapaces ou de noyaux a l'aide de machines ou de postes de tirage de noyaux disposés de préférence de manière linéaire, où les machines à tirer les noyaux présentent chacune une tête de tirage (3) comprenant une plaque de tirage (1) et des buses de tirage (2) et où la tête de tirage (3) peut être désaccouplée de la machine à tirer les noyaux et peut - buses de tirage (2) vers le dessous - être déposée sur une palette (4) ou similaire, caractérisée par un dispositif d'alimentation (5), un poste de transfert (6), un poste de vidange (7); un dispositif de rinçage (8), un dispositif de séchage (9), un poste de distribution (10), le cas échéant un poster d'inspection et un dispositif d'évacuation (11),
    où la tête de tirage (3) déposée sur la palette (4) peut à l'aide du dispositif d'admission (5) être transportée depuis la machine à tirer les noyaux vers le poste de transfert (6), et peut, à l'aide d'un premier manipulateur (12) être soulevée de la palette (4) et être pivotée d'environ 180° autour d'un axe horizontal (13) et peut - les buses de tirage (2) étant orientées vers le haut - être vidangée dans le poste de vidange (7), et peut être transférée vers le dispositif de rinçage (8), vers le dispositif de séchage (9) et peut dans le poste de distribution (10) - les buses de tirage étant orientées vers le bas - être pivotée d'environ 180° autour d'un axe horizontal (13) et être déposée sur une palette (4) nettoyée et peut, le cas échéant, après passage par un poste d'inspection, être retournée à l'aide du dispositif d'évacuation (11) vers la machine à tirer les noyaux ou vers un magasin de stockage.
  2. Installation suivant la revendication 1, caractérisée en ce que le dispositif d'alimentation (5) et le et le cas échéant le dispositif d'évacuation (11) comprend un transporteur à rouleaux (14 et 31).
  3. Installation suivant la revendication 1 ou 2, caractérisée en ce que le poste de transfert (6) a la forme d'une table de transfert (15) disposée entre le transporteur à rouleaux (14) et le poste de vidange (7).
  4. Installation suivant l'une quelconque des revendications de 1 à 3, caractérisée en ce que le manipulateur (12) est mobile horizontalement et également verticalement entre le poste de transfert (7) et le poste de distribution (10), le manipulateur (12) présentant un dispositif à grappin (16) de préférence rotatif autour d'un axe horizontal (13) et le dispositif à grappin (16) présentant de préférence des mâchoires de grappin (17) rotatives autour d'un axe horizontal (13), et où le cas échéant le manipulateur (12) présente un dispositif de vibration pour exercer des vibrations sur la tête de tirage (3).
  5. Installation suivant l'une quelconque des revendications de 1 à 4, caractérisée en ce que le poste de vidange (7) présente un réservoir collecteur (18) pour le sable à noyaux (20) ainsi qu'une évacuation (19) pour la le sable à noyaux (20) recueilli et en ce que le réservoir collecteur est de préférence sensiblement en forme d'entonnoir.
  6. Installation suivant l'une quelconque des revendications de 1 à 5, caractérisée en ce que le dispositif de rinçage (8) présente des têtes de pulvérisation (21) agissant depuis l'extérieur et depuis l'intérieur de la tête de tirage, en ce que les têtes de pulvérisation (21) peuvent être alimentées en eau d'un circuit fermé, en ce que le cas échéant le dispositif de rinçage (8) présente une évacuation aboutissant à un bassin collecteur et une admission issue du bassin collecteur et aboutissant aux têtes de pulvérisation (21) et en ce que le bassin collecteur présente au moins une pompe et une installation de filtrage pour le filtrage de l'eau en circuit fermé.
  7. Installation suivant l'une quelconque des revendications de 1 à 6, caractérisée en ce que le dispositif de séchage (9) présente au moins une soufflerie (22) pour le séchage par air de la tête de tirage (3), en ce que le séchage a lieu de préférence à la température d'environ 55° et en ce que le cas échéant sont prévus de préférence deux dispositifs de séchage (9) en série.
  8. Installation suivant l'une quelconque des revendications de 1 à 7, caractérisée en ce que le dispositif de rinçage (8) et les dispositifs de séchage (9) présentent des châssis ou des éléments de support (23) pour la réception des têtes de tirage (3).
  9. Installation suivant l'une quelconque des revendications de 1 à 8, caractérisée en ce que le dispositif de rinçage (8) et les dispositifs de séchage (9) peuvent chacun être recouverts ou fermés au moyen d'un capot de recouvrement (24) et en ce que les capots de recouvrement (24) sont articulés sur des bras de pivotement (25) associés au dispositif en question et peuvent être actionnés ou pivotés au moyen d'un dispositif à cylindre et à piston (26).
  10. Installation suivant l'une quelconque des revendications de 1 à 9, caractérisée en ce que le poste d'inspection est associé au poste de distribution (10) et en ce que le cas échéant le poste d'inspection connecté au dispositif de séchage (9) comporte de préférence des capteurs sans contact pour l'exploration des surfaces de la tête de tirage (3).
  11. Installation suivant l'une quelconque des revendications de 1 à 9, caractérisée en ce qu'après le levage de la tête de tirage (3), la palette (4) peut dans le poste de transfert (6) être acheminée à un circuit de nettoyage de palettes séparé et en ce que le cas échéant le circuit de nettoyage de palettes comprend un manipulateur de palettes et un poste de vidange (7), où la palette (4) peut à l'aide d'un manipulateur de palettes être pivotée d'environ 180° autour d'un axe horizontal et peut, - la surface de chargement vers le bas - être vidangée dans le poste de vidange (7) et où le poste de vidange (7) présente une brosse (27) pour le brossage du sable (20) qui adhère à la surface de chargement de la palette (4).
  12. Installation suivant la revendication 3 et le cas échéant l'une quelconque des revendications de 4 à 11, caractérisée en ce que manipulateur (12) sert également à saisir la palette (4) qui reste sur la table de transfert (29) après le levage de la tête de tirage (3) et en ce que la palette (4) peut à l'aide du manipulateur (12) être transférée au poste de vidange (7) aux fins de sa vidange, une brosse (27) de préférence mobile étant associée au poste de vidange (7) pour le brossage de la palette (4) et la palette nettoyée (4) pouvant à l'aide du manipulateur (12) être retournée sur la table de transfert (29) et pouvant ensuite être acheminée au poste de distribution (10) pour servir à la réception de la tête de tirage (3) nettoyée, la table de transfert (15) du poste de transfert ayant de préférence la forme d'une table de levage, de préférence de table de levage à cisaille, et en ce que au-dessous du dispositif d'alimentation (5) est disposée une piste de retour (28) recevant la palette nettoyée (4) depuis la table de transfert (15) dans la position abaissée de cette dernière et acheminant cette palette vers le poste de distribution (10).
  13. Installation suivant l'une quelconque des revendications de 1 à 12, caractérisée en ce que le poste de distribution (28) ou le poste d'inspection a la forme d'une table de transfert (29) disposée entre le dispositif de chauffage (9) et la piste de retour (28), et en ce que la table de transfert (29) du poste de distribution (10) a la forme d'une table de levage, notamment d'une table de levage à cisaille, la table de transfert (29) du poste de distribution (10) recevant, en position abaissée, la palette (4) nettoyée depuis la piste de retour (28), achemine cette palette vers le poste de distribution (10) ou vers le poste d'inspection et recevant, en position haute, la tête de tirage nettoyée (3) sur la palette (4), et en ce que la tête de tirage (3) placée sur la palette (4) peut être évacuée à l'aide d'une piste d'évacuation (30) située dans le plan de la position haute ou basse.
  14. Procédé de nettoyage de têtes de tirage lors de la production de noyaux ou de moules-carapaces au moyen de machines de tirage ou de postes de tirage de noyaux de préférence disposés en ligne, où les machines à tirer les noyaux présentent chacune une tête de tirage (3) comprenant une plaque de tirage (1) et des buses de tirage (2) et où la tête de tirage (3) peut être désaccouplée de la machine à tirer les noyaux et peut - buses de tirage (2) vers le dessous - être déposée sur une palette (4) ou similaire,
    caractérisé par les phases opératoires suivantes :
    transport, au moyen du dispositif d'alimentation, de la tête de tirage (3) déposée sur la palette depuis la machine à tirer vers le poste de transfert (6),
    soulever à l'aide du manipulateur (12) la tête de tirage (3) de la palette (4), déplacer la tête de tirage (3) vers la zone située au-dessus du poste de vidange (7) et pivotement d'environ 180° de la tête de tirage (3) autour d'un axe horizontal (13) aux fins de la vidange de la tête de tirage (3) - les buses de tirage (2) étant dirigées vers le haut - dans le poste de vidange (7),
    transport à l'aide du manipulateur (12) de la tête de tirage (3) vers le dispositif de rinçage (8) et rinçage de la tête de tirage (3) par pulvérisation ou projection d'eau du circuit sur l'intérieur et sur l'extérieur de la tête de tirage (3),
    transport de la tête de tirage (3) vers le dispositif de séchage (9) et séchage de la tête de tirage (3) mouillée par l'eau du circuit,
    transport de la tête de tirage (3) vers le poste de distribution (10) servant le cas échéant également de poste d'inspection et pivotement, à l'aide du manipulateur (12) de la tête de tirage (3) d'environ 180° autour d'un axe horizontal (13),
    mise en place de la tête de tirage (3) - les buses de tirage (2) étant dirigées vers le dessous - sur une palette (4) nettoyée disposée dans le poste de distribution (10), et
    retour, à l'aide du dispositif d'évacuation (11), de la tête de tirage (3) déposée sur la palette (4), vers la machine à tirer les noyaux ou vers un magasin de stockage.
  15. Procédé suivant la revendication 14, caractérisé en ce que la tête de tirage (3) - les buses de tirage (2) étant dirigées vers le haut - est placée dans le dispositif de rinçage (8) et en ce que le cas échéant la position de la tête de tirage (3) est conservée dans le dispositif de séchage (9) subséquent , où de préférence deux têtes de tirage (3) sont simultanément séchées dans deux dispositifs de séchage (9).
  16. Procédé suivant la revendication 14 ou 15, caractérisé en ce que le nettoyage des têtes de tirage (3) et/ou des palettes (4) a lieu en deux ou plusieurs lignes parallèles avec des dispositifs suivant les revendications de 1 à 13.
  17. Procédé suivant l'une quelconque des revendications de 14 à 16, caractérisé en ce qu'après le levage de la tête de tirage (3), la palette (4) est acheminée vers une piste de nettoyage de palettes séparée et en ce que le cas échéant la palette (4) est au moyen d'un manipulateur de palettes pivotée horizontalement de sensiblement 180° et est - la surface de chargement vers le dessous - vidangée dans le poste de vidange (7), le sable (20) qui adhère à la surface de chargement étant enlevé par brossage dans le poste de vidange (7) et la palette (4) nettoyée étant acheminée vers le poste de distribution (10) pour servir à la réception de la tête de tirage (3) nettoyée.
  18. Procédé suivant l'une quelconque des revendications de 14 à 17, caractérisé en ce que la palette (4) restée sur la table de transfert (15) après le levage de la tête de tirage (3) est également saisie par le manipulateur (12) et est acheminée vers le poste de vidange (7) aux fins de sa vidange et en ce que la palette (4) nettoyée est au moyen du manipulateur (12) ramenée sur la table de transfert (15) et est de là acheminée vers le poste de distribution (10) et y sert à recevoir la tête de tirage (3) nettoyée, tandis que la piste de retour (28) disposée au-dessous du dispositif d'alimentation (5) et aboutissant au poste de distribution (10) reçoit la palette (4) nettoyée venant de la table de transfert (29) - dans la position abaissée de cette dernière - et en ce que le cas échéant le poste de distribution (10) ou poste d'inspection entre le dispositif de séchage (9) et la piste de retour (28) fait office de table de transfert (29).
  19. Procédé suivant la revendication 18, caractérisé en ce que la palette (4) nettoyée est, dans une position abaissée, reprise depuis la table de transfert (9) du poste de distribution (10) par une piste de retour (28) et est déplacée vers le poste de distribution (10) ou poste d'inspection, tandis que dans une position haute la tête de tirage (3) nettoyée est reçue par la palette (4) et la tête de tirage (3) posée sur la palette (4) est évacuée par l'intermédiaire d'une piste d'évacuation (30) située dans le plan de la position haute ou de la position basse.
EP94105433A 1993-07-09 1994-04-08 Installation et procédé de nettoyage de tête de fir dans la production des noyaux ou des moules-carapaces Expired - Lifetime EP0636438B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4322986A DE4322986C1 (de) 1993-07-09 1993-07-09 Vorrichtung und Verfahren zur Schußhaubenreinigung bei der Herstellung gießfertiger Masken bzw. Kernpakete
DE4322986 1993-07-09

Publications (2)

Publication Number Publication Date
EP0636438A1 EP0636438A1 (fr) 1995-02-01
EP0636438B1 true EP0636438B1 (fr) 1997-10-29

Family

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Application Number Title Priority Date Filing Date
EP94105433A Expired - Lifetime EP0636438B1 (fr) 1993-07-09 1994-04-08 Installation et procédé de nettoyage de tête de fir dans la production des noyaux ou des moules-carapaces

Country Status (6)

Country Link
US (1) US5544694A (fr)
EP (1) EP0636438B1 (fr)
CA (1) CA2126728A1 (fr)
DE (2) DE4322986C1 (fr)
DK (1) DK0636438T3 (fr)
ES (1) ES2109538T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2126449B1 (es) * 1995-08-02 1999-11-16 Loramendi Sa Sistema para el intercambio y limpieza de placas de soplado en maquinas sopladoras de machos.
ES2155701T3 (es) * 1996-11-04 2001-05-16 Hottinger Maschb Gmbh Dispositivo y procedimiento para la fabricacion de matrices o paquetes de machos listos para fundir.
KR100837977B1 (ko) 2006-12-12 2008-06-13 현대자동차주식회사 금형 코어 이송 장치
ES2542894B1 (es) * 2014-02-11 2016-08-03 Loramendi, S.Coop. Máquina y método para la fabricación de machos de arena
CN105728662B (zh) * 2016-04-29 2018-05-15 重庆新红旗缸盖制造有限公司 射芯机射筒气动升降装置
CN105921700B (zh) * 2016-07-11 2018-03-20 重庆新红旗缸盖制造有限公司 射芯机小车移动定位装置
CN106964760A (zh) * 2017-05-19 2017-07-21 奥林精密机械科技（长兴）有限公司 一种前后布置双工位射芯机
CN110732641B (zh) * 2019-10-08 2021-04-27 广州明珞汽车装备有限公司 一种自动化组芯装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH439599A (de) * 1966-08-04 1967-07-15 Amsted Ind Inc Reinigungseinrichtung für Giessformen
DE2304564A1 (de) * 1973-01-31 1974-08-08 Cobomat Apparatebau Gmbh Vorrichtung zur automatischen herstellung von formen und kernen fuer giessereizwecke
US4135569A (en) * 1977-07-13 1979-01-23 Acme-Cleveland Corporation Molding machine clean out
US4190096A (en) * 1978-04-17 1980-02-26 Netes Leonid Y Manipulator for separating coated permanent moulds
JPS59133939A (ja) * 1983-01-21 1984-08-01 Sintokogio Ltd 吹込式鋳型造型機のブロ−プレ−トの清掃装置
EP0139797B1 (fr) * 1983-10-26 1987-12-02 Naniwa Products Co, Ltd Dispositif automatique de nettoyage d'une machine de moulage
US4572273A (en) * 1983-10-26 1986-02-25 Naniwa Products Co. Ltd. Blow plate and/or blow nozzle automatic cleaning device
FR2649919B1 (fr) * 1989-07-21 1991-10-04 Peugeot Installation de nettoyage de pieces de fonderie

Also Published As

Publication number Publication date
DE4322986C1 (de) 1994-07-07
DE59404455D1 (de) 1997-12-04
EP0636438A1 (fr) 1995-02-01
ES2109538T3 (es) 1998-01-16
CA2126728A1 (fr) 1995-01-10
US5544694A (en) 1996-08-13
DK0636438T3 (da) 1997-12-08

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