EP2054170B1 - Dispositif de nettoyage et procédé de nettoyage d'une pièce d'usinage - Google Patents

Dispositif de nettoyage et procédé de nettoyage d'une pièce d'usinage Download PDF

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Publication number
EP2054170B1
EP2054170B1 EP07786522A EP07786522A EP2054170B1 EP 2054170 B1 EP2054170 B1 EP 2054170B1 EP 07786522 A EP07786522 A EP 07786522A EP 07786522 A EP07786522 A EP 07786522A EP 2054170 B1 EP2054170 B1 EP 2054170B1
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EP
European Patent Office
Prior art keywords
workpiece
vacuum container
vacuum
cleaning device
blocking
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EP07786522A
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German (de)
English (en)
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EP2054170A1 (fr
Inventor
Egon KÄSKE
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Ecoclean GmbH
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Duerr Ecoclean GmbH
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Publication of EP2054170A1 publication Critical patent/EP2054170A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 

Definitions

  • the present invention relates to a cleaning device for cleaning a workpiece, which comprises a suction device for sucking impurities from an interior of the workpiece.
  • document DE 3900664A1 For example, shows a device for cleaning a container by building a negative pressure.
  • Known industrial suction systems have a suction power ranging from about 15,000 Pa to about 35,000 Pa.
  • the suction power of this industrial vacuum cleaner is too low to reliably remove contaminants from the cavities of, in particular machined, workpieces.
  • the present invention has for its object to provide a cleaning device of the type mentioned, which has a suction device with a particularly large suction.
  • the suction device at least one vacuum container, at least one evacuation device for evacuating the vacuum vessel, at least one vent line for connecting the vacuum container to the workpiece and at least one locking device for shutting off the Includes connection between the vacuum container and the workpiece.
  • the contaminant particles are conveyed in this way to the vacuum container or to a separation device connected between the vacuum container and the workpiece, where it is separated from the airflow generated by the opening of the blocking device.
  • the cleaning device according to the invention has the advantage that here a very high pressure difference of, for example, 900 mbar to 940 mbar between the interior of the vacuum vessel and the interior of the workpiece can be effective, which is significantly greater than the pressure difference, which is produced with industrial vacuum cleaner ,
  • the cleaning device according to the invention is particularly suitable as an industrial cleaning device for the sequential cleaning of a plurality of workpieces, in particular of machined workpieces.
  • the cleaning device according to the invention is particularly suitable for removing machining residues, such as metal shavings, blasting agents, foundry sand and machining fluids, from the interiors of workpieces with complex geometry, such as cylinder heads or crankcases.
  • machining residues such as metal shavings, blasting agents, foundry sand and machining fluids
  • the cleaning device according to the invention for cleaning the narrow and highly branched cooling water channels in a passenger car cylinder head. During mechanical processing, metal chips fall into these cooling water channels. It is by means of the cleaning device according to the invention it is possible to remove such metal chips lying loosely in the cooling water channels from the workpiece.
  • the cleaning device according to the invention offers the advantage that no flow dead spaces arise within the workpiece, in which particles can remain.
  • the vacuum container In order to produce a particularly large suction power, it is advantageous if the vacuum container to a pressure of at most about 100 mbar, preferably at most about 50 mbar, is evacuated.
  • the barrier means can be fully opened within the time period of at most about 2 seconds, preferably at most about 0.5 seconds.
  • the vacuum container can be ventilated within an opening time of the blocking device of at most approximately 2 seconds such that its internal pressure is at least 90% of the external pressure. In this way, a particularly strong air flow through the workpiece in the vacuum container can be generated, which reliably removes the particles present in the interior of the workpiece.
  • the workpiece to be cleaned preferably has at least one cavity which opens at at least one point on an outer side of the workpiece. This discharge point on the outside of the workpiece is connected to the vacuum container via the ventilation line.
  • the suction device comprises a plurality of ventilation lines, which can be arranged simultaneously at different locations on the outside of the workpiece.
  • the at least two locking devices can be opened at the same time, this can generate a particularly strong flow of air through the workpiece and the two ventilation lines.
  • the at least two locking devices can be opened one after the other.
  • successively differently directed air streams can be generated through the workpiece, which may be advantageous to release stuck particles from the workpiece, which can not be solved if they are acted upon only from one side with an air flow.
  • the suction device comprises at least two vacuum containers and for each of the vacuum container at least one vent line for connecting the vacuum container with the workpiece and at least one locking device for shutting off the connection between the respective vacuum container and the workpiece.
  • the at least two vacuum containers can be ventilated simultaneously or successively.
  • the cleaning device advantageously comprises at least one evacuation device, by means of which at least two vacuum containers of the suction device can be evacuated, the expenditure on equipment for evacuating the vacuum containers can be reduced.
  • the evacuation device for evacuating one or more vacuum containers preferably comprises at least one vacuum pump, at least one suction line for connecting the vacuum pump to at least one vacuum container and at least one shut-off device for shutting off the connection between the vacuum pump and the vacuum container.
  • the suction device of the cleaning device according to the invention preferably comprises at least one separation device for separating impurities from an air flow which flows from the workpiece to the vacuum container.
  • Such a separation device may in particular comprise a gravity separator.
  • the at least one separating device comprises a filter element, for example a bag filter or a filter screen.
  • the extraction device comprises a removal device, by means of which separated impurities can be removed from the separation device.
  • the separation device may be provided downstream of the barrier means, i. on the vacuum container facing side of the locking device. In this case, the separation device is evacuated together with the vacuum container.
  • the separation device is provided upstream of the barrier device, i. on the workpiece facing side of the locking device. In this case, the separation device remains at the ambient pressure until the barrier device is opened.
  • a particularly space-saving construction of the cleaning device results when the separation device is arranged inside the vacuum container.
  • the separation device is arranged between the workpiece and the vacuum container.
  • the vacuum container is designed as a vacuum chamber, in which another than the workpiece to be sucked just can be introduced.
  • the vacuum container is designed as a vacuum drying chamber.
  • the vacuum drying chamber is evacuated anyway to perform the vacuum drying process therein. After the vacuum drying process is ventilated the vacuum drying chamber; This ventilation process can be used for the vacuum suction process.
  • FIG. 1 100 shown as a whole with suction device 100 for extracting impurities from an interior 102 of a workpiece 104, such as a cylinder head or a crankcase, comprises a vacuum vessel 106, which via a vent line 108, in which a locking device 110 in the form of, for example, electromotive, is arranged electromagnetically or pneumatically actuated, check valve 112 is connected to the workpiece 104.
  • a vacuum vessel 106 which via a vent line 108, in which a locking device 110 in the form of, for example, electromotive, is arranged electromagnetically or pneumatically actuated, check valve 112 is connected to the workpiece 104.
  • a locking device 110 in the form of, for example, electromotive, is arranged electromagnetically or pneumatically actuated, check valve 112 is connected to the workpiece 104.
  • a workpiece-side fitting 114 of the vent pipe 108 is disposed on an outer surface of the workpiece 104 so as to surround a mouth opening 116 of a cavity 118 provided in the workpiece 104 substantially gas-tight.
  • the vacuum tank 106 is connected via a suction line 120, in which a shut-off device 122 in the form of, for example electromagnetically, electromotively or pneumatically actuated, shut-off valve 124 is connected to the suction side of a vacuum pump 126, which together with the suction 120 an evacuation device 128 for Evacuate the interior 130 of the vacuum vessel 106 forms.
  • a shut-off device 122 in the form of, for example electromagnetically, electromotively or pneumatically actuated, shut-off valve 124 is connected to the suction side of a vacuum pump 126, which together with the suction 120 an evacuation device 128 for Evacuate the interior 130 of the vacuum vessel 106 forms.
  • a separation device 132 for separating impurities from an entering into the interior 130 of the vacuum container 106 air flow is integrated, which comprises a gravity separator 134.
  • the gravity separator 134 may include a hollow cylinder 138 extending downwardly from a horizontal divider 136 extending across the horizontal cross section of the vacuum vessel 106, one between the outer wall of the hollow cylinder 138 and the inner wall the vacuum container 106 remaining gap 140 limited, soft in coming from the workpiece 104 vent line 108 opens.
  • the interior of the hollow cylinder 138 communicates via a (not shown) passage opening in the horizontal partition wall 136 with a suction chamber 142 in the upper part of the vacuum container 106, in which the leading to the vacuum pump 126 suction line 120 opens.
  • the vacuum container 106 is closed by means of a closure flap 144.
  • the suction device 100 described above functions as follows:
  • the check valve 112 is closed in the vent line 108 and the check valve 124 is opened in the suction 120.
  • the volume of the interior space 130 of the vacuum container may be, for example, about 200 l.
  • the interior 130 of the vacuum container 106 is evacuated by the vacuum pump 126 from the ambient pressure of, for example, about 950 mbar to a final pressure of, for example, about 20 mbar.
  • the shut-off valve 124 is closed in the suction 120.
  • a high negative pressure is briefly generated in the interior 102 of the workpiece 104, which causes ambient air to communicate at high speed through all the openings through which the interior 102 of the workpiece 104 communicates with the surrounding atmosphere, into the cavities 118 in the interior of the workpiece 104 penetrates, there located impurities in the form of particles stirred up and entrains in the direction of the connector 114 of the vent line 108.
  • the inflow direction of the air from the ambient atmosphere into the interior 102 of the workpiece 104 is in Fig. 1 indicated by the arrows 148.
  • the fluidized particles are conveyed to the vacuum tank 106 in the air flow flowing through the ventilation duct 108 into the inner space 130 of the vacuum tank 106, enter the gap 140 between the hollow cylinder 138 and the inner wall of the vacuum tank 106, and fall due to the action of gravity to the bottom of the vacuum container 106.
  • the air flow from the workpiece 104 to the vacuum container 106 ends when the pressure in the interior 130 of the vacuum container 106 has increased to the external pressure of, for example, about 950 mbar.
  • the check valve 112 is closed in the vent line 108 and the check valve 124 is opened in the suction line 120 to initiate a further evacuation phase of the suction device 100.
  • the workpiece 104 is disconnected from the vent line 108 and the next workpiece 104 to be machined is connected to the vent line 108.
  • the shutter 144 is opened (with the vacuum tank 106 aerated) to force the impurities accumulated on the bottom of the vacuum container 106 through gravity opened shutter 144 to fall into the underlying collection container 146.
  • FIG. 2 illustrated second embodiment of a suction device 100 for a cleaning device for cleaning workpieces differs from the in Fig. 1 illustrated first embodiment in that in addition to the first vacuum container 106, a further vacuum container 106 'is provided, which is connected via a further ventilation line 108' with a locking device 110 'in the form of a check valve 112' with the interior 102 of the workpiece 104.
  • connection piece 114 'of the second ventilation line 108' in this case surrounds a different opening 116 'than the connection piece 114 of the first ventilation line 108.
  • the two vent lines 108, 108 ' may be connected to different accesses to the same cavity 118 of the workpiece 104 or to various cavities within the workpiece 104.
  • the second vacuum container 106 is connected to the suction side of the vacuum pump 126 via a suction line 120 ', in which a shut-off device 122' in the form of a shut-off valve 124 'is arranged.
  • the two suction lines 120, 120' which come from the two vacuum containers 106, 106 ', combine to form a common suction line end 150, which is connected to the vacuum pump 126 is connected.
  • the second vacuum container 106 ' may be constructed the same as the first vacuum container 106.
  • a second sump 146' for receiving contaminants that accumulate in the operation of the suction device 100 at the bottom of the second vacuum container 106 ', is arranged.
  • a separation device 132' in the form of a gravity separator 134 ' is integrated.
  • the two vacuum containers 106, 106 ' are evacuated simultaneously or successively by means of the vacuum pump 126 to a final pressure of, for example, about 20 mbar, wherein the respective vacuum container 106, 106' associated shut-off valve 124, 124 'in the suction 120 and 120' open and the respective vacuum container 106, 106 'associated shut-off valve 112, 112' in the vent line 108 and 108 'is closed.
  • the vacuum containers 106, 106 ' can be ventilated simultaneously or sequentially via the respectively associated ventilation line 108 and 108', in which case impurities from the interior 102 of the workpiece 104 by the air flow entering the workpiece 104 either simultaneously to both vacuum containers 106 , 106 'or one after the other in the one vacuum container 106 and then in the other vacuum container 106' are promoted.
  • suction device Fig. 2 it is also possible to use the suction device Fig. 2 in such a way that in each case one of the vacuum containers 106, 106 'is vented during the period during which the respective other vacuum container 106', 106 is being evacuated.
  • the accumulating at the bottom of the vacuum container 106, 106 'impurities are converted as needed by opening the respective flap 144 and 144' in the respective associated collecting container 146 or 146 '.
  • the in Fig. 2 illustrated second embodiment of a suction device 100 for a cleaning device in terms of design and function with the in Fig. 1 illustrated in the first embodiment, reference is made to the above description in this regard.
  • An in Fig. 3 illustrated third embodiment of a suction device 100 forms part of a generally designated 152 cleaning device for cleaning workpieces 104, in addition to the suction 100 also includes a (not shown) wet cleaning device in which the workpieces 104 after the suction of contaminants from the interior 102nd the workpieces 104 are cleaned in a wet process, which includes, for example, a Purple Hughesvorgang, subjecting the workpieces 104 under high pressure cleaning agent and / or pulse cleaning.
  • a wet cleaning device in which the workpieces 104 after the suction of contaminants from the interior 102nd the workpieces 104 are cleaned in a wet process, which includes, for example, a Purple Hughesvorgang, subjecting the workpieces 104 under high pressure cleaning agent and / or pulse cleaning.
  • the cleaning device 152 comprises a vacuum drying chamber 154, which is connected via a suction line 120 with a shut-off device 122 in the form of a shut-off valve 124 to a vacuum pump 126, by means of which the vacuum drying chamber 154 can be evacuated to a final pressure of, for example, approximately 20 mbar.
  • a wet cleaned workpiece 104 ' may be introduced to undergo vacuum drying.
  • the interior 156 of the vacuum drying chamber 154 is connected via a vent line 108 to the interior of a workpiece 104 to be sucked off.
  • a locking device 110 is arranged in the form of a check valve 112.
  • a separator 132 is provided in the vent line 108, which in this embodiment comprises a vacuum-compatible container 158 passing through a filter element 160, for example a fliter screen, is subdivided into an inflow space 162 and an outflow space 164.
  • the inflow space 162 is connected to the workpiece 104 via a workpiece-side section 166 of the ventilation line 108, while the outflow space 164 is connected to the vacuum drying chamber 154 via a dry-chamber-side section 168 of the ventilation line 108.
  • a closure flap 144 is provided, by means of which impurities deposited in the separation device 132 can be removed from the separation device 132.
  • the vacuum drying chamber 154 serves as the vacuum container 106, which is pre-evacuated and then vented by abrupt opening of the stopper 110 to ambient air due to the pressure difference between the inner space 156 and the outer space (at an external pressure of, for example, about 950 mbar).
  • the vacuum drying chamber 154 serves as the vacuum container 106, which is pre-evacuated and then vented by abrupt opening of the stopper 110 to ambient air due to the pressure difference between the inner space 156 and the outer space (at an external pressure of, for example, about 950 mbar).
  • the ventilation of the vacuum drying chamber 154 which is anyway required at the end of the vacuum drying process in the vacuum drying chamber 154, can also be used to suck off the workpiece 104 located outside the vacuum drying chamber 154.
  • the interior of the separation device 132 is in this embodiment of a suction device 100 before and after the ventilation phase at the ambient pressure of, for example, about 950 mbar.
  • the in Fig. 3 illustrated third embodiment of a suction device 100 for a cleaning device in terms of design and function with the in Fig. 1 illustrated in the first embodiment, reference is made to the above description in this regard.
  • An in Fig. 4 illustrated fourth embodiment of a suction device 100 for a cleaning device 152 comprises a vacuum container 106, which via a vent line 108 with a locking device 110 in the form of a check valve 112 to a workpiece 104 and via a suction 120 with a shut-off device 122 in the form of a check valve 124 to a Vacuum drying chamber 154 of the cleaning device 152 is connected.
  • the interior 156 of the vacuum drying chamber 154 is in turn connected to a vacuum pump 126 via a suction line 170, in which a shut-off device 172 is arranged.
  • a separation device 132 for example in the form of a gravity separator 134, integrated.
  • a closure flap 144 is provided, by means of which impurities deposited by the separation device 132 can be removed from the interior 130 of the vacuum container 106.
  • the vacuum container 106 is evacuated together with the vacuum drying chamber 154 to a final pressure of, for example, about 20 mbar.
  • the shut-off valve 124 in the suction line 120 and the shut-off valve 174 in the suction line 170 are opened while the check valve 112 in the ventilation line 108 is closed.
  • the vacuum pump 126 can therefore be used both for the evacuation of the vacuum drying chamber 154 and for the evacuation of the vacuum container 106.
  • the vacuum container 106 After evacuation of the vacuum container 106, the vacuum container 106 is separated from the interior 156 of the vacuum drying chamber 154 by closing the shut-off valve 124.
  • the vacuum vessel 106 is ventilated by suddenly opening the check valve 112 in the vent line 108 separately and independently of the vacuum drying chamber 154 to suck air from the environment through the inner space 102 of the workpiece 104 into the vacuum container 106 while removing contaminants from the inner space 102 of the workpiece 104 to promote the separation device 132, which deposits these impurities from the air flow.
  • the vacuum drying chamber 154 may also be vented separately and independently of the vacuum vessel 106 upon completion of the vacuum drying operation for the workpiece 104 'disposed in the vacuum drying chamber 154.
  • the vacuum drying chamber 154 and the vacuum container 106 may be evacuated together again by means of the vacuum pump 126, as described above.
  • FIG. 4 illustrated fourth embodiment of a suction device 100 for a cleaning device 152 in terms of design and function with in Fig. 1 illustrated first embodiment and in Fig. 3 illustrated third embodiment, the above description of which reference is made.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)

Claims (46)

  1. Dispositif de nettoyage, pour le nettoyage d'au moins une pièce d'usinage (104), comprenant un dispositif d'aspiration (100) pour l'aspiration d'impuretés hors d'un espace intérieur (102) de la pièce d'usinage (104),
    Caractérisé en ce que
    le dispositif d'aspiration (100) comprend au moins un récipient à vide (106), au moins un dispositif d'évacuation (128) pour réaliser le vide dans le récipient à vide (106), au moins un conduit d'aération (108) pour relier le récipient à vide (106) à la pièce d'usinage (104) et au moins un dispositif de fermeture (110) pour interrompre la liaison entre le récipient à vide (106) et la pièce d'usinage (104).
  2. Dispositif de nettoyage selon la revendication 1, caractérisé en ce que le récipient à vide (106) peut être évacué à une pression de vide de quelque 100 mbar au maximum, de préférence de quelque 50 mbar au maximum.
  3. Dispositif de nettoyage selon l'une des revendications 1 ou 2, caractérisé en ce que le dispositif de fermeture (110) peut être ouvert brusquement.
  4. Dispositif de nettoyage selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif de fermeture (110) peut être entièrement ouvert dans un délai de quelque 2 secondes au maximum, de préférence de 0,5 seconde environ au maximum.
  5. Dispositif de nettoyage selon l'une des revendications 1 à 4, caractérisé en ce que le récipient à vide (106) peut être aéré pendant un temps d'ouverture du dispositif de fermeture (110) de quelque 2 secondes au maximum, de telle manière que sa pression intérieure atteigne au moins 90 % de la pression extérieure.
  6. Dispositif de nettoyage selon l'une des revendications 1 à 5, caractérisé en ce que la pièce d'usinage (104) comporte au moins une cavité (118) débouchant sur au moins un emplacement (116) d'une face extérieure de la pièce d'usinage (104).
  7. Dispositif de nettoyage selon l'une des revendications 1 à 6, caractérisé en ce que le dispositif d'aspiration (100) comprend plusieurs conduits d'aération (108, 108') pouvant être disposés simultanément à différents emplacements (116, 116') de la face extérieure de la pièce d'usinage (104).
  8. Dispositif de nettoyage selon la revendication 7, caractérisé en ce qu'au moins deux des conduits d'aération (108, 108') peuvent être fermés séparément au moyen d'au moins deux dispositifs de fermeture (110, 110') distincts l'un de l'autre.
  9. Dispositif de nettoyage selon la revendication 8, caractérisé en ce que les deux dispositifs de fermeture ou plus (110, 110') peuvent être ouverts simultanément.
  10. Dispositif de nettoyage selon l'une des revendications 8 ou 9, caractérisé en ce que les deux dispositifs de fermeture ou plus (110, 110') peuvent être ouverts successivement.
  11. Dispositif de nettoyage selon l'une des revendications 1 à 10, caractérisé en ce que le dispositif d'aspiration (100) comprend au moins deux récipients à vide (106, 106'), et pour chacun des récipients à vide (106, 106') au moins un conduit d'aération (108, 108') pour relier ledit récipient à vide (106, 106') à la pièce d'usinage (104), et au moins un dispositif de fermeture (110, 110') pour interrompre la liaison entre le récipient à vide correspondant (106, 106') et la pièce d'usinage (104).
  12. Dispositif de nettoyage selon la revendication 11, caractérisé en ce que ledit dispositif de nettoyage (152) comprend au moins un dispositif d'évacuation (128), au moyen duquel au moins deux récipients à vide (106, 106') du dispositif d'aspiration (100) peuvent être évacués.
  13. Dispositif de nettoyage selon l'une des revendications 1 à 12, caractérisé en ce que le dispositif d'évacuation (128) comprend au moins une pompe à vide (126), au moins un conduit d'aspiration (120) pour relier la pompe à vide (126) à au moins un récipient à vide (106), et au moins un dispositif de fermeture (122) pour interrompre la liaison entre la pompe à vide (126) et le récipient à vide (106).
  14. Dispositif de nettoyage selon l'une des revendications 1 à 13, caractérisé en ce que le dispositif d'aspiration (100) comprend au moins un dispositif de séparation (132) pour la séparation des impuretés d'un courant d'air s'écoulant de la pièce d'usinage (104) vers le récipient à vide (106).
  15. Dispositif de nettoyage selon la revendication 14, caractérisé en ce que le ou les dispositifs de séparation (132) comprennent un séparateur à gravité (134).
  16. Dispositif de nettoyage selon l'une des revendications 14 ou 15, caractérisé en ce que le ou les dispositifs de séparation (132) comprennent un élément de filtre (160).
  17. Dispositif de nettoyage selon l'une des revendications 14 à 16, caractérisé en ce que le dispositif d'aspiration (100) comprend un dispositif de prélèvement (144) permettant d'extraire les impuretés séparées hors du dispositif de séparation (132).
  18. Dispositif de nettoyage selon l'une des revendications 14 à 17, caractérisé en ce que le dispositif de séparation (132) est prévu en aval du dispositif de fermeture (110).
  19. Dispositif de nettoyage selon l'une des revendications 14 à 17, caractérisé en ce que le dispositif de séparation (132) est prévu en amont du dispositif de fermeture (110).
  20. Dispositif de nettoyage selon l'une des revendications 14 à 18, caractérisé en ce que le dispositif de séparation (132) est monté à l'intérieur du récipient à vide (106).
  21. Dispositif de nettoyage selon l'une des revendications 14 à 19, caractérisé en ce que le dispositif de séparation (132) est monté entre la pièce d'usinage (104) et le récipient à vide (106).
  22. Dispositif de nettoyage selon l'une des revendications 1 à 21, caractérisé en ce que le récipient à vide (106) est réalisé comme une chambre à vide (154) où une pièce d'usinage (104') peut être introduite.
  23. Dispositif de nettoyage selon la revendication 22, caractérisé en ce que le récipient à vide (106) est réalisé comme une chambre de séchage sous vide (154).
  24. Procédé de nettoyage d'une pièce d'usinage (104), comprenant les étapes suivantes :
    - raccordement d'un récipient à vide (106) à la pièce d'usinage (104) au moyen d'un conduit d'aération (108) où est monté un dispositif de fermeture (110) pour interrompre la liaison entre le récipient à vide (106) et la pièce d'usinage (104) ;
    - évacuation du récipient à vide (106) au moyen d'un dispositif d'évacuation (128) ;
    - aérage du récipient à vide (106) par ouverture du dispositif de fermeture (110), les impuretés étant ainsi aspirées hors d'un espace intérieur (102) de la pièce d'usinage (104).
  25. Procédé selon la revendication 24, caractérisé en ce que le récipient à vide (106) est évacué à une pression de quelque 100 mbar au maximum, de préférence de quelque 50 mbar au maximum.
  26. Procédé selon l'une des revendications 24 ou 25, caractérisé en ce que le dispositif de fermeture (110) est ouvert brusquement.
  27. Procédé selon l'une des revendications 24 à 26, caractérisé en ce que le dispositif de fermeture (110) est entièrement ouvert dans un délai de quelque 2 secondes au maximum, de préférence de 0,5 seconde environ au maximum.
  28. Procédé selon l'une des revendications 24 à 27, caractérisé en ce que le récipient à vide (106) est aéré pendant un temps d'ouverture du dispositif de fermeture (110) de quelque 2 secondes au maximum, de telle manière que sa pression intérieure atteigne au moins 90 % de la pression extérieure.
  29. Procédé selon l'une des revendications 24 à 28, caractérisé en ce que la pièce d'usinage (104) comporte au moins une cavité (118) débouchant sur au moins un emplacement (116) d'une face extérieure de la pièce d'usinage (104).
  30. Procédé selon l'une des revendications 24 à 29, caractérisé en ce que plusieurs conduits d'aération (108, 108') sont disposés simultanément à différents emplacements (116, 116') de la face extérieure de la pièce d'usinage (104).
  31. Procédé selon la revendication 30, caractérisé en ce qu'au moins deux des conduits d'aération (108, 108') sont fermés séparément au moyen d'au moins deux dispositifs de fermeture (110, 110') distincts l'un de l'autre.
  32. Procédé selon la revendication 31, caractérisé en ce que les deux dispositifs de fermeture ou plus (110, 110') sont ouverts simultanément.
  33. Procédé selon la revendication 31, caractérisé en ce que les deux dispositifs de fermeture ou plus (110, 110') sont ouverts successivement.
  34. Procédé selon l'une des revendications 24 à 33, caractérisé en ce qu'au moins deux récipient à vide (106, 106') sont reliés chacun à la pièce d'usinage (104) par au moins un conduit d'aération (108, 108') où est monté au moins un dispositif de fermeture (110, 110') pour interrompre la liaison entre le récipient à vide correspondant (106, 106') et la pièce d'usinage (104).
  35. Procédé selon la revendication 34, caractérisé en ce qu'au moins deux récipients à vide (106, 106') sont évacués au moyen du même dispositif d'évacuation (128).
  36. Procédé selon l'une des revendications 24 à 35, caractérisé en ce que le dispositif d'évacuation (128) comprend au moins une pompe à vide (126), au moins un conduit d'aspiration (120) pour relier la pompe à vide (126) à au moins un récipient à vide (106), et au moins un dispositif de fermeture (122) pour interrompre la liaison entre la pompe à vide (126) et le récipient à vide (106).
  37. Procédé selon l'une des revendications 24 à 36, caractérisé en ce que les impuretés d'un courant d'air s'écoulant de la pièce d'usinage (104) vers le récipient à vide (106) sont séparées au moyen d'un dispositif de séparation (132).
  38. Procédé selon la revendication 37, caractérisé en ce que les impuretés sont séparées du courant d'air au moyen d'un séparateur à gravité (134).
  39. Procédé selon l'une des revendications 37 ou 38, caractérisé en ce que les impuretés sont séparées du courant d'air au moyen d'un élément de filtre (160).
  40. Procédé selon l'une des revendications 37 à 39, caractérisé en ce que les impuretés séparées sont extraites hors du dispositif de séparation (132) au moyen d'un dispositif de prélèvement (144).
  41. Procédé selon l'une des revendications 37 à 40, caractérisé en ce que les impuretés sont séparées en aval du dispositif de fermeture (110).
  42. Procédé selon l'une des revendications 24 à 41, caractérisé en ce que les impuretés sont séparées en amont du dispositif de fermeture (110).
  43. Procédé selon l'une des revendications 24 à 42, caractérisé en ce que les impuretés sont séparées à l'intérieur du récipient à vide (106).
  44. Procédé selon l'une des revendications 24 à 42, caractérisé en ce que les impuretés sont séparées à l'extérieur du récipient à vide (106).
  45. Procédé selon l'une des revendications 24 à 44, caractérisé en ce qu'une pièce d'usinage (104') est introduite dans le récipient à vide (106).
  46. Procédé selon la revendication 45, caractérisé en ce que la pièce d'usinage introduite dans le récipient à vide (106) est soumise à un séchage sous vide.
EP07786522A 2006-08-23 2007-08-02 Dispositif de nettoyage et procédé de nettoyage d'une pièce d'usinage Active EP2054170B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006039507A DE102006039507A1 (de) 2006-08-23 2006-08-23 Reinigungsvorrichtung und Verfahren zum Reinigen eines Werkstücks
PCT/EP2007/006848 WO2008022700A1 (fr) 2006-08-23 2007-08-02 Dispositif de nettoyage et procédé de nettoyage d'une pièce d'usinage

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EP2054170A1 EP2054170A1 (fr) 2009-05-06
EP2054170B1 true EP2054170B1 (fr) 2010-07-14

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US (1) US8062409B2 (fr)
EP (1) EP2054170B1 (fr)
JP (1) JP5155315B2 (fr)
CN (1) CN101484252B (fr)
AT (1) ATE473813T1 (fr)
CA (1) CA2661368C (fr)
DE (2) DE102006039507A1 (fr)
MX (1) MX2009001932A (fr)
RU (1) RU2438801C2 (fr)
WO (1) WO2008022700A1 (fr)

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CN104001697B (zh) * 2014-01-14 2016-01-27 宁波祥润自动化设备有限公司 汽车机油滤清器座的腔体真空清洗机构
JP5663776B1 (ja) * 2014-03-27 2015-02-04 福井県 吸引方法及び吸引装置並びにレーザ加工方法及びレーザ加工装置
DE102014213089A1 (de) * 2014-07-04 2016-01-07 Dürr Ecoclean GmbH Reinigen und/oder Trocknen eines Hohlraums
DE102014213172A1 (de) * 2014-07-07 2016-01-07 Dürr Ecoclean GmbH Anlage für das Trocknen von Werkstücken
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DE102015203323A1 (de) * 2015-02-24 2016-08-25 Dürr Ecoclean GmbH Anlage und Verfahren für das Behandeln eines Werkstücks
DE102015215728A1 (de) * 2015-08-18 2017-02-23 Dürr Ecoclean GmbH Anlage für das Behandeln eines Werkstücks mit einem Prozessfluid
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DE102016119436A1 (de) * 2016-10-12 2018-04-12 Dürr Ecoclean GmbH Vorrichtung und Verfahren zum Reinigen eines Werkstücks
WO2018110024A1 (fr) * 2016-12-13 2018-06-21 宇部興産機械株式会社 Dispositif d'injection pour dispositif de moulage et procédé de moulage
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CN113814239A (zh) * 2020-06-19 2021-12-21 青岛海信日立空调***有限公司 一种空调管路清洗装置
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WO2008022700A1 (fr) 2008-02-28
US8062409B2 (en) 2011-11-22
JP2010501321A (ja) 2010-01-21
EP2054170A1 (fr) 2009-05-06
CA2661368C (fr) 2012-07-17
MX2009001932A (es) 2009-03-06
US20090173227A1 (en) 2009-07-09
RU2438801C2 (ru) 2012-01-10
DE102006039507A1 (de) 2008-03-13
DE502007004415D1 (de) 2010-08-26
CA2661368A1 (fr) 2008-02-28
JP5155315B2 (ja) 2013-03-06
CN101484252A (zh) 2009-07-15
RU2009110259A (ru) 2010-09-27
ATE473813T1 (de) 2010-07-15
CN101484252B (zh) 2012-05-23

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