EP2276587A2 - Dispositif de nettoyage et procédé de nettoyage d'une pièce - Google Patents

Dispositif de nettoyage et procédé de nettoyage d'une pièce

Info

Publication number
EP2276587A2
EP2276587A2 EP09753728A EP09753728A EP2276587A2 EP 2276587 A2 EP2276587 A2 EP 2276587A2 EP 09753728 A EP09753728 A EP 09753728A EP 09753728 A EP09753728 A EP 09753728A EP 2276587 A2 EP2276587 A2 EP 2276587A2
Authority
EP
European Patent Office
Prior art keywords
fluid
cleaning
gap
nozzle
cleaning chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09753728A
Other languages
German (de)
English (en)
Other versions
EP2276587B1 (fr
Inventor
Egon KÄSKE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ecoclean GmbH
Original Assignee
Duerr Ecoclean GmbH
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 Duerr Ecoclean GmbH filed Critical Duerr Ecoclean GmbH
Priority to PL09753728T priority Critical patent/PL2276587T3/pl
Publication of EP2276587A2 publication Critical patent/EP2276587A2/fr
Application granted granted Critical
Publication of EP2276587B1 publication Critical patent/EP2276587B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • 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
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays

Definitions

  • the present invention relates to a cleaning device with a cleaning chamber for receiving a workpiece to be cleaned, with a fluid transfer device for transferring at least one fluid into the cleaning chamber and / or from the cleaning chamber, wherein the fluid transfer device comprises at least one nozzle in the form of a gap nozzle extending along a gap axis , by means of which the at least one fluid can be introduced transversely to the gap axis into the cleaning chamber or out of the cleaning chamber.
  • the present invention seeks to provide a cleaning device with which a particularly good cleaning effect can be achieved.
  • the cleaning device comprises a gap nozzle movement device for moving at least a part of the gap nozzle.
  • the cleaning device makes it possible to introduce a fluid distributed along the gap axis of the slotted nozzle into the cleaning chamber or to discharge it from the cleaning chamber.
  • the slit nozzle movement device With the help of the slit nozzle movement device, at least a part of the slit nozzle can be moved so that a fluid transfer direction of the slit nozzle can be changed. In this way, a direction of action of the fluid can be adjusted, so that an optimal cleaning even complex shaped workpieces is achieved.
  • the slotted-nozzle movement device makes it possible to adapt the fluid-transfer direction such that workpiece sections which are difficult to access, for example recesses or undercut regions, can be subjected to a fluid effect. As a result, a so-called "spray shadowing" can be prevented. Due to the good cleaning effect of the cleaning device according to the invention also result in very short cycle times for cleaning a workpiece.
  • the slit nozzle allows a very high liquid throughput per unit time, whereby a particularly good cleaning effect is achieved.
  • the fluid transfer device is arranged within the cleaning chamber, whereby a direct transfer of a fluid into the cleaning chamber and / or from the cleaning chamber is possible.
  • the slit nozzle is movable such that an average fluid transfer direction of the slit nozzle and a workpiece surface to be cleaned at an angle of at least about 30 ° to at most about 70 ° with each other. This makes it possible to achieve a particularly good cleaning effect.
  • a distance between opposing chamber walls of the cleaning chamber is equal to or slightly larger than an extension of the gap nozzle in parallel to the gap axis direction.
  • the effective range of the slit nozzle can be maximized with respect to a given chamber volume.
  • the ratio of a gap width to a gap length of the slit die is between about 1:10 and about 1: 500, more preferably between about 1: 100 and about 1: 200. Such slit dies allow for high fluid transfer.
  • the fluid transfer device comprises a fluid introduction device for introducing at least one fluid into the cleaning chamber. This allows a purging or blow-off operation of the cleaning device.
  • a liquid fluid and / or a gaseous fluid can be introduced into the cleaning chamber. It is preferred if the fluid is pressurizable, for example with a pressure of at least about 1 bar and / or at most about 10 bar.
  • a particularly good cleaning effect is achieved if a liquid fluid and a gaseous fluid can be introduced in succession into the cleaning chamber.
  • the liquid fluid is water, which acts as a cleaning fluid.
  • the gaseous fluid is air, in particular compressed air.
  • the fluid transfer device comprises a fluid discharge device for discharging at least one fluid out of the cleaning chamber. This allows a removal of introduced into the cleaning chamber fluid and / or contaminants from the cleaning chamber.
  • the cleaning chamber is evacuated to allow a particularly good removal of dirt particles.
  • the fluid transfer device forms or comprises both a fluid introduction device and a fluid delivery device. This allows a particularly flexible Cleaning operation.
  • introduction of a fluid into the cleaning chamber and the discharge of a fluid from the cleaning chamber by means of the same slit nozzle it is preferred if the introduction of a fluid into the cleaning chamber and the discharge of a fluid from the cleaning chamber by means of the same slit nozzle.
  • the slit nozzle is pivotable or rotatable by means of the slit nozzle movement device.
  • the slotted nozzle has a particularly large effective range.
  • a pivot angle of the slit nozzle is at least about 90 °, in particular at least about 180 °. It is also advantageous if the gap nozzle is rotatable at least approximately 360 ° or freely.
  • an axis of rotation about which the slit nozzle is pivotable or rotatable, and the slit axis of the slit nozzle are collinear with each other.
  • an axis of rotation about which the slotted nozzle is pivotable or rotatable, and the slit axis of the slotted nozzle are offset from one another. This allows a particularly simple production of a fluid-effective connection between the gap nozzle and a fluid reservoir.
  • the cleaning device comprises a gap width adjusting device for adjusting a gap width of the gap nozzle.
  • the gap width is adjustable depending on the density of the fluid, so that for fluids with higher densities, such as liquids, smaller gap widths can be adjusted and for fluids with lower densities, for example, for gas, especially for compressed air, larger gap widths can be adjusted.
  • at least one gap-limiting element is movable transversely to the gap axis, resulting in a particularly simple adjustability of the gap width. It is also favorable if a distance between at least two gap-limiting elements is adjustable. In particular, opposing gap-limiting elements can be movable relative to each other.
  • the gap width adjusting device comprises at least one adjusting element movable along an adjusting axis.
  • an adjusting element acts, for example, directly or indirectly on at least one gap-limiting element and allows a particularly simple and reliable adjustment of the gap width.
  • the adjustment axis, along which at least one adjusting element of the gap width adjusting device is movable is substantially parallel to the gap axis. This allows a particularly simple and space-saving transmission of a longitudinal movement of the adjusting element in a movement of a gap-limiting element transversely to the gap axis.
  • the adjustment axis can be collinear with a rotation axis of the gap nozzle movement device.
  • a particularly compact gap width adjusting device can be created.
  • the adjusting element is pivotable or rotatable about the adjustment axis. This makes it possible to adjust the gap width of the slit nozzle independently of a pivoting or rotational position of the slit nozzle.
  • the adjusting element is pivotable or rotatable independently of the linear mobility of the adjusting element. This makes it possible to provide a fixed and positionally fixed drive device for the gap width adjustment device. It is particularly preferred if the gap width adjustment device and the gap nozzle movement device can be actuated independently of one another. As a result, the gap width of the slotted nozzle is adjustable independently of whether or how at least a part of the slotted nozzle is moved by means of the slotted-nozzle moving device.
  • the gap width adjusting device and the gap nozzle movement device can preferably be actuated simultaneously, in particular during the introduction or discharge of at least one fluid into the cleaning chamber or out of the cleaning chamber.
  • the cleaning chamber has at least one chamber wall and if a fluid introduction direction of the gap nozzle is adjustable such that at least a portion of at least one chamber wall of the cleaning chamber can be cleaned by means of an introduced fluid.
  • the at least one section of the at least one chamber wall can be rinsed off or blown off, as a result of which a separate cleaning device can be dispensed with.
  • the gap nozzle can be rotated by at least 360 ° in order to clean the cleaning chamber. This allows complete cleaning of chamber walls arranged circumferentially relative to the gap axis. In particular, all the chamber walls of the cleaning device can be cleaned by means of the fluid introduced through the gap nozzle.
  • the cleaning device comprises a fluid conduit device which is in fluid communication with the fluid transfer device for supplying or discharging a fluid and comprises a plurality of fluid lines for mutually different fluids.
  • the fluid conduit device may comprise fluid lines for at least one fluid, for example water and / or cleaning agent, and for at least one gas, for example compressed air and / or one of the cleaning fluid. chamber to be sucked gas. This allows a particularly flexible operation of the cleaning device.
  • the cleaning device comprises a workpiece movement device for moving a workpiece received in the cleaning chamber relative to the gap nozzle.
  • a workpiece movement device for moving a workpiece received in the cleaning chamber relative to the gap nozzle.
  • the workpiece movement device comprises a holding device for holding the workpiece in the cleaning chamber, which may preferably be designed as a bogie, also called a "wheel".
  • a bogie can be rotated at an increased speed due to the effective operation of the movable slit nozzle, thereby achieving cycle time reduction.
  • the mobility of the gap nozzle ensures that a workpiece can be continuously loaded with fluid and that trusses of the bogie do not lead to a spray shadowing on a surface of a workpiece to be cleaned.
  • the workpiece is pivotable about an axis of rotation or rotatable so that it can be cleaned very well.
  • an axis of rotation is substantially parallel to the slot axis, so that a workpiece is evenly cleaned.
  • a further advantageous embodiment of the invention provides that the gap nozzle movement device and a workpiece movement device are coupled together in order to match the movements of the gap nozzle and the workpiece to one another.
  • rotational and / or pivoting frequencies of the gap nozzle movement device and the workpiece movement device are matched to one another, so that an "intelligent" movable nozzle system can be created.
  • a particularly preferred embodiment of the invention provides that a rotary or the pitch frequency of the slit-nozzle moving means is equal to an integer multiple of a rotational frequency of the workpiece moving means.
  • the cleaning chamber can be filled with a liquid bath into which at least a portion of a workpiece to be cleaned and / or a gap nozzle opening of the gap nozzle can be immersed.
  • a liquid bath into which at least a portion of a workpiece to be cleaned and / or a gap nozzle opening of the gap nozzle can be immersed.
  • the workpiece to be cleaned can be acted upon and cleaned with a fluid discharged from the gap nozzle, wherein a particularly efficient and quiet operation of the cleaning device is made possible.
  • Such a type of cleaning is also called "injection flood washing".
  • the invention furthermore relates to a method for cleaning a workpiece, in which a workpiece is arranged in a cleaning chamber and at least one fluid is introduced into the cleaning chamber transversely to the gap axis by a fluid transfer device which comprises a nozzle in the form of a gap nozzle extending along a gap axis or discharged from the cleaning chamber.
  • the invention has the further object of providing a method for cleaning a workpiece, with which a particularly good cleaning effect can be achieved.
  • the cleaning device according to the invention is particularly suitable for carrying out the method according to the invention for cleaning a workpiece.
  • the blank value indicates the degree of contamination of the cleaning chamber with impurities, which remain after a cleaning process in the cleaning chamber and can negatively influence a subsequent cleaning process.
  • FIG. 1 shows a schematic front view of a first embodiment of a cleaning device with a slotted nozzle and with a slotted nozzle moving device
  • Fig. 2 is a schematic side view of the cleaning device
  • Fig. 3 is a schematic section through the slit nozzle along the line
  • Fig. 6 is a fragmentary schematic section through a second
  • Embodiment of a cleaning device Embodiment of a cleaning device.
  • cleaning device for cleaning a workpiece comprises a container 102 which defines a cleaning chamber 104.
  • the container 102 is essentially hollow-cylindrical and has a cylinder jacket-shaped chamber wall 106, which adjoins a first end wall 108 and a second end wall 110.
  • the container 102 has a container axis 112, which corresponds to the cylinder axis of the chamber wall 106.
  • the container 102 serves to receive a laundry in the form of a workpiece 114 to be cleaned, which is shown schematically in FIGS. 1 and 2.
  • the cleaning device 100 further comprises a gap nozzle 116 which extends along a gap nozzle axis 118.
  • the slit nozzle 116 is arranged in a relation to the direction of gravity upper portion of the cleaning chamber 104.
  • the gap axis 118 is preferably parallel to the container axis 112.
  • the split nozzle 116 extends along the split axis 118 between a first split nozzle end 120 and a second split nozzle end 122.
  • the first split nozzle end 120 is disposed adjacent to the first end wall 108 of the cleaning chamber 104.
  • the second gap nozzle end 122 is arranged adjacent to the second end face 110 of the cleaning chamber 104.
  • the gap nozzle 116 comprises a first gap delimiting element 124 and a second gap delimiting element 126.
  • the gap delimiting elements 124, 126 define a gap whose length corresponds to the extent of the gap delimiting elements 124 and 126 in a direction parallel to the gap axis 118 and whose width 128 corresponds to the distance between opposing gap delimiting surfaces 130 , 132 corresponds.
  • the cleaning device 100 further comprises a housing 134 with a substantially cylinder-jacket-shaped housing wall 136.
  • the housing wall 136 defines a cylindrical fluid space 138, which is in fluid communication with the gap nozzle 116.
  • the housing 134 has a housing axis 140, which extends substantially parallel to the slot axis 118.
  • the housing 134 further has a drive section 142, which is non-rotatably connected to the housing wall 136.
  • the drive section 142 is rotatable about a rotation axis 146 by means of a slit-nozzle moving device 144.
  • the axis of rotation 146 is collinear with the housing axis 140.
  • the cleaning device 100 further comprises a fluid conduit means 148 having a plurality of fluid conduits for mutually different fluids.
  • the fluid conduit means 148 includes a first fluid conduit 150, a second fluid conduit 152, and a third fluid conduit 154.
  • the fluid conduits 150, 152, and 154 are in fluid communication with a common fluid conduit 156, which in turn is in fluid communication with the fluid space 138.
  • the first fluid line 150 is associated with a first pump 158 and a first valve 160.
  • the second fluid line 152 is associated with a second pump 162 and a second valve 164.
  • the third fluid line is associated with a third pump 166 and a third valve 168.
  • the first pump 158 and the second pump 162 serve to deliver a fluid into the fluid chamber 138 and from there via the slotted nozzle 116 into the cleaning chamber 104.
  • the third pump 166 serves to request a fluid received in the cleaning chamber 104.
  • the fluid flow through the lines 150, 152, 154 is in each case controllable by means of the valves 160, 164, 168.
  • a fluid to be introduced into the cleaning chamber can be taken from a reservoir, not shown in the drawing. Additionally or alternatively, a fluid received in the cleaning chamber can be removed and reintroduced into the cleaning chamber by means of the gap nozzle.
  • a pump can be used which acts to discharge the fluid from the cleaning chamber as a return pump.
  • the return pump is also used to re-introduce the discharged fluid into the cleaning chamber. It is advantageous to filter fluid discharged from the cleaning chamber before re-introduction into the cleaning chamber by means of a filter device.
  • the common fluid line 156 opens at a connection pipe 170, which passes through the second end wall 110 and projects into the container 102.
  • a swivel joint 172 is provided, which can also be referred to as a "swivel joint".
  • connection tube 170 forms a central access to the fluid space 138. This access can be used to fill the cleaning chamber 104 with a liquid, to spray a liquid out of the gap nozzle 116 into the cleaning chamber, to blow a gas out of the gap nozzle 116 into the cleaning chamber and be used to evacuate the cleaning chamber.
  • the cleaning device 100 further comprises a gap width adjuster 174 for adjusting the gap width 128 of the splitting nozzle 116 (FIG. 3).
  • the gap width adjusting device 174 comprises, for example, a drive device 176 designed in the form of a motor for driving a movement of a drive element 178 along an adjustment axis 180.
  • the drive element 178 passes through a pipe wall 182 of the connection pipe 170 and is sealed relative to the pipe wall 182 by means of a sealing device 184.
  • the drive element 178 ends with its end facing away from the drive device 176 at a rotary coupling 186.
  • the rotary coupling 186 is disposed within the fluid space 138.
  • the drive element 178 and an adjusting element 188 are rotationally coupled to each other. This means that by means of the rotary joint 186, a linear movement along the adjustment axis 180 of the drive member 178 on the adjusting member 188 is transferable, however, that a rotational movement of the adjusting member 188 about the rotation axis 146 is not transmitted to the drive member 178.
  • the adjusting element 188 is designed in the form of a rod which extends along the adjustment axis 180.
  • the adjustment axis 180 and the rotation axis 146 are collinear.
  • the adjusting element 188 is rotatably mounted about the axis of rotation 146 by means of a first bearing 190 and by means of a second bearing 192.
  • the bearings 190, 192 are fixedly connected to the housing 134.
  • the gap width adjusting device 174 further comprises a transmission device 194 (FIGS. 4 and 5), by means of which a linear movement of the adjusting element 188 along the adjustment axis 180 into a movement of the gap limiting elements 124, 126 transversely to the gap axis 118 can be translated.
  • the transmission device 194 comprises two spaced apart brackets 196, which are each rotatably connected to the adjusting element 188.
  • the bracket 196 are rotatably connected to two pins 198, 200 respectively.
  • the pins 198, 200 extend in the vertical direction to the adjustment axis 180.
  • Each first pin 198 engages in each case a first link 202 of the first gap-limiting element 124.
  • Each second pin 200 engages in each case a second link 204 of the second gap-limiting element 126th
  • Each first link 202 is formed in a first bearing portion 206 of the first gap-limiting element 124, which is part of the first gap-limiting element 124.
  • the first bearing portion 206 extends substantially perpendicular to the first gap-limiting surface 130 and is supported on a first guide element 208, which is fixedly connected to the housing wall 136.
  • Each second gate 204 is formed in a second bearing portion 210, which is part of the second gap-limiting element 126.
  • the second bearing portion 210 extends substantially perpendicular to the second gap-limiting surface 132 and is supported on a second guide element 212, which is fixedly connected to the housing wall 136.
  • the scenes 202, 204 extend obliquely to the slot axis 118th
  • the slit nozzle 116 is part of a fluid transfer device 214.
  • the fluid transfer device 214 makes it possible to introduce a fluid through the slotted nozzle 116 into the cleaning chamber 104 and / or to discharge a fluid from the cleaning chamber 104.
  • the above-described cleaning device 100 functions as follows:
  • a holding device 216 (FIG. 2) can be used for holding the workpiece 114.
  • the workpiece 114 is relative to the receiving chamber 104 fixable and / or relative to a workpiece-moving device, which is not shown in the drawing for reasons of clarity.
  • a workpiece movement device makes it possible to rotate the holding device 216 with the workpiece 114 about a rotation axis 218.
  • the axis of rotation 218 is parallel to the slot axis 118.
  • the cleaning chamber 104 may be filled with a liquid, such as water, into which the workpiece 114 is immersed.
  • a liquid such as water
  • the filling of the cleaning chamber 104 can be carried out, for example, by using the first pump 158 and the first fluid line 150 of the fluid line device 148 and by using the fluid transfer device 214 by discharging a preferably filtered liquid from the gap nozzle 116 into the cleaning chamber.
  • the cleaning chamber 104 can be filled with liquid by means of the gap nozzle 116 in a short period of time. In the same period of time, the cleaning chamber 104 can also be emptied (for example by means of a cleaning chamber outlet not shown in the drawing, which is arranged, for example, at a lower end of the container 102 relative to the direction of gravity), so that a bath in the cleaning chamber circulates at a high frequency can be. Overall, this results in very low non-productive times in addition to the actual cleaning times.
  • a fluid can be discharged in the direction of the workpiece 114 by means of the slotted nozzle 116.
  • This fluid has an average fluid transfer direction 220.
  • the middle fluid transfer direction 220 is adjustable by rotation of the slit axis 116 about the axis of rotation 146 by means of the slotted nozzle moving device 144.
  • the mean fluid transfer direction 220 is adjusted to include an angle 224 of at least about 30 ° to at most about 70 ° with a workpiece surface 222 to be cleaned.
  • the workpiece 114 may be cleaned by means of a first fluid in the form of a preferably filtered liquid.
  • the first fluid may be identical to the fluid previously possibly introduced for flooding the cleaning chamber.
  • the first fluid is supplied to the fluid space 138 and thus the gap nozzle 116 by means of the first fluid line 150.
  • the first valve 160 is opened.
  • the second valve 164 and the third valve 168 are closed.
  • the first pump 158 the first fluid is pressurized and conveyed into the fluid space 138. From there, the fluid passes through the gap formed between the gap delimiting elements 124 and 126 along the gap axis 118 distributed in the cleaning chamber 104.
  • the housing 134 is freely rotatable about the axis of rotation 146, so that the mean fluid transfer direction 220 is adjustable in any desired angular directions.
  • the discharge of the fluid can be done with a very high compared to conventional systems fluid flow of, for example, 40 liters per second. With a gap length of 60 cm measured parallel to the gap axis 118 and a gap width 128 of 0.4 cm, a discharge rate of 16.7 m / s results. In flood washing, in which the workpiece 114 is immersed in a liquid, at such a discharge rate, a flow directed towards an outlet of the cleaning chamber 104 can be achieved at a flow rate of 70 mm / s. As a result, particles to be removed from the workpiece 114 can be effectively released and / or conveyed away.
  • the nip nozzle 116 and / or the workpiece 114 may be moved.
  • the movements of the gap nozzle 116 and the workpiece 114 are coupled together, so that a particularly complete and good cleaning of the workpiece 114 is possible.
  • the second fluid is preferably gaseous and is in particular formed by compressed air.
  • the second valve 164 When the second valve 164 is open, the second fluid can be supplied to the fluid space 138 with the aid of the second pump 162.
  • the first valve 160 and the third valve 168 are closed. In this way, the second fluid can be discharged through the gap nozzle 116 in the direction of the workpiece 114.
  • the third pump 166 may act as a vacuum pump, so that after opening the third valve 168 and closing the first valve 160 and the second valve 164 in the cleaning chamber 104 contained fluid can be sucked through the slit nozzle 116 and the fluid space 138. As a result, a particularly good cleaning of the workpiece 114 is made possible.
  • the cleaning device 100 may also be used to clean the chamber wall 106.
  • the cleaning chamber 104 is preferably emptied with the aid of the pump 166 and a workpiece 114 possibly received in the cleaning chamber 104 is removed.
  • a fluid in particular a liquid
  • the slotted nozzle 116 by means of the slotted nozzle 116, the inner sides of the chamber wall 106 can be acted upon with a fluid.
  • the gap nozzle movement device 144 is moved about the rotation axis 146 by at least 360 ° or beyond. As a result, an effective and easy cleaning of the entire chamber wall 106 is possible.
  • the gap width 128, which is determined by the distance of the gap boundary surfaces 130 and 132, can be adjusted.
  • the drive device 176 is driven in such a way that the drive element 178 is a lifting movement along the adjustment axis 180 performs.
  • This movement is transmitted to the adjusting element 188 by means of the rotary joint 186.
  • the movement of the adjusting member 188 along the adjustment axis 180 is transmitted by means of the bracket 196 on the pins 198 and 200.
  • the plungers 198, 200 immersed in the scenes 202, 204 of the gap limiting elements 124, 126 are moved along the adjustment axis 180 in a direction parallel to the adjustment axis 180 during a movement of the adjustment element 188.
  • the gap nozzle 116 is shown with a maximum gap width 128.
  • a movement of the adjusting element 188 in the direction of the first gap nozzle end 120 causes a displacement of the pins 198, 200 in the direction of the first gap nozzle end 120.
  • the gap limiting elements 124, 126 assigned to the respective pins 198, 200 become inwardly in the direction of the gap axis 118 too moved.
  • the gap width 128 is reduced.
  • An enlargement of the gap width 128 takes place in a corresponding manner by movement of the adjusting element 188 in the direction of the second gap nozzle end 122.
  • the gap width 128 is adjusted in dependence on the density of the fluid flowing through the slotted nozzle 116.
  • a smaller gap 128 is preferred for higher density fluids, such as liquids; for lower density fluids, such as compressed air, a larger gap width 128 is preferred.
  • a second embodiment of a cleaning device 100 shown in FIG. 6 for cleaning a workpiece 114 differs from the first embodiment shown in FIG. 1 in that the second embodiment does not have a gap width adjuster and is fixed to a chamber wall 106 of a cleaning chamber 104 connected housing 134 has.
  • a connecting device 226 is provided, which is welded to both the chamber wall 106 and the housing wall 136.
  • the connection device 226 has a fluid channel 228 which brings the fluid space 138 of the housing 134 into fluid communication with a slotted nozzle 116 of a fluid transfer device 214.
  • the split nozzle 116 is in fluid communication with the cleaning chamber 104.
  • the slotted nozzle 116 has two gap-limiting elements 124, 126 which are each pivotable about a pivot axis 230, 232.
  • the pivot axes 230, 232 are parallel to each other.
  • the second embodiment of the cleaning device 100 shown in FIG. 2 agrees with respect to structure and function with the first embodiment shown in FIG. 1, to the above description of which reference is made in this regard.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

Pour réaliser un dispositif de nettoyage avec une chambre de nettoyage recevant une pièce à nettoyer, avec un dispositif de transfert de fluide pour transférer au moins un fluide dans la chambre de nettoyage et/ou en dehors de la chambre de nettoyage, dans lequel le dispositif de transfert de fluide comprend au moins une buse sous la forme d'une buse fendue s'étendant le long d'un axe de fente, grâce à laquelle ledit ou lesdits fluides peuvent être amenés dans la chambre de nettoyage ou évacués de la chambre de nettoyage perpendiculairement à l'axe de fente, qui assure un effet de nettoyage particulièrement bon, il est proposé selon l'invention que le dispositif de nettoyage possède un dispositif de mouvement de buse fendue afin de déplacer au moins une partie de la buse fendue.
EP09753728A 2008-04-18 2009-04-08 Dispositif de nettoyage et procédé de nettoyage d'une pièce Not-in-force EP2276587B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09753728T PL2276587T3 (pl) 2008-04-18 2009-04-08 Urządzenie czyszczące i sposób czyszczenia pólfabrykatu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008019456.5A DE102008019456B4 (de) 2008-04-18 2008-04-18 Reinigungsvorrichtung und Verfahren zur Reinigung eines Werkstücks
PCT/EP2009/054226 WO2009144073A2 (fr) 2008-04-18 2009-04-08 Dispositif de nettoyage et procédé de nettoyage d'une pièce

Publications (2)

Publication Number Publication Date
EP2276587A2 true EP2276587A2 (fr) 2011-01-26
EP2276587B1 EP2276587B1 (fr) 2012-09-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09753728A Not-in-force EP2276587B1 (fr) 2008-04-18 2009-04-08 Dispositif de nettoyage et procédé de nettoyage d'une pièce

Country Status (6)

Country Link
US (1) US8006710B2 (fr)
EP (1) EP2276587B1 (fr)
CN (1) CN102006945B (fr)
DE (1) DE102008019456B4 (fr)
PL (1) PL2276587T3 (fr)
WO (1) WO2009144073A2 (fr)

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DE102010038799A1 (de) * 2010-08-02 2012-02-02 Dürr Ecoclean GmbH Vorrichtung zum Trocknen von Werkstücken nach einem Reinigungsvorgang
DE102011004232B4 (de) 2011-02-16 2024-04-18 Ecoclean Gmbh Düsenmodul und Reinigungsvorrichtung mit Düsenmodul
DE102015206233A1 (de) 2015-04-08 2016-10-13 Dürr Ecoclean GmbH Vorrichtung und Verfahren zum Erzeugen eines Fluidstrahls
US11679422B2 (en) * 2017-08-15 2023-06-20 Denso Corporation On-board sensor cleaning device
DE102018118067A1 (de) 2018-07-26 2020-01-30 Ecoclean Gmbh Reinigungsvorrichtung
EP3656530B2 (fr) * 2018-11-21 2026-04-01 Coperion GmbH Dispositif de raccordement destiné à raccorder une machine à vis sans fin à un engrenage et procédé de nettoyage d'un tel dispositif de raccordement
DE102019108913A1 (de) * 2019-04-04 2020-10-08 MAFAC - E. Schwarz GmbH & Co. KG Reinigungsverfahren und reinigungsvorrichtung
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DE102020208248A1 (de) * 2020-07-01 2022-01-05 Dürr Systems Ag Behandlungsstation, Behandlungsanlage und Verfahren zum Behandeln von Werkstücken

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DE102008019456B4 (de) 2019-09-26
WO2009144073A2 (fr) 2009-12-03
US20110088726A1 (en) 2011-04-21
EP2276587B1 (fr) 2012-09-19
CN102006945A (zh) 2011-04-06
PL2276587T3 (pl) 2013-02-28
WO2009144073A3 (fr) 2010-03-11
DE102008019456A1 (de) 2009-11-05
US8006710B2 (en) 2011-08-30
CN102006945B (zh) 2013-01-16

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